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4206 lines
214 KiB
4206 lines
214 KiB
(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? factory(require('@angular/core'),require('@angular/cdk/scrolling'),require('@angular/cdk/bidi'),exports, require('@angular/core'), require('@angular/common'), require('@angular/cdk/scrolling'), require('@angular/cdk/platform'), require('@angular/cdk/coercion'), require('@angular/cdk/a11y'), require('rxjs'), require('rxjs/operators'), require('@angular/cdk/bidi')) :
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typeof define === 'function' && define.amd ? define('@angular/cdk/drag-drop', ['@angular/core','@angular/cdk/scrolling','@angular/cdk/bidi','exports', '@angular/core', '@angular/common', '@angular/cdk/scrolling', '@angular/cdk/platform', '@angular/cdk/coercion', '@angular/cdk/a11y', 'rxjs', 'rxjs/operators', '@angular/cdk/bidi'], factory) :
|
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(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.ng.core,global.ng.cdk.scrolling,global.ng.cdk.bidi,(global.ng = global.ng || {}, global.ng.cdk = global.ng.cdk || {}, global.ng.cdk.dragDrop = {}), global.ng.core, global.ng.common, global.ng.cdk.scrolling, global.ng.cdk.platform, global.ng.cdk.coercion, global.ng.cdk.a11y, global.rxjs, global.rxjs.operators, global.ng.cdk.bidi));
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}(this, (function (ɵngcc0,ɵngcc1,ɵngcc2,exports, i0, i1, i2, platform, coercion, a11y, rxjs, operators, bidi) { 'use strict';
|
|
|
|
function _interopNamespace(e) {
|
|
if (e && e.__esModule) return e;
|
|
var n = Object.create(null);
|
|
if (e) {
|
|
Object.keys(e).forEach(function (k) {
|
|
if (k !== 'default') {
|
|
var d = Object.getOwnPropertyDescriptor(e, k);
|
|
Object.defineProperty(n, k, d.get ? d : {
|
|
enumerable: true,
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|
get: function () {
|
|
return e[k];
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|
}
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|
});
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|
}
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|
});
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}
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n['default'] = e;
|
|
return Object.freeze(n);
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|
}
|
|
|
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var i0__namespace = /*#__PURE__*/_interopNamespace(i0);
|
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var i1__namespace = /*#__PURE__*/_interopNamespace(i1);
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var i2__namespace = /*#__PURE__*/_interopNamespace(i2);
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|
|
|
/**
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|
* @license
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* Copyright Google LLC All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
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|
*/
|
|
/**
|
|
* Shallow-extends a stylesheet object with another stylesheet-like object.
|
|
* Note that the keys in `source` have to be dash-cased.
|
|
* @docs-private
|
|
*/
|
|
function extendStyles(dest, source, importantProperties) {
|
|
for (var key in source) {
|
|
if (source.hasOwnProperty(key)) {
|
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var value = source[key];
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if (value) {
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dest.setProperty(key, value, (importantProperties === null || importantProperties === void 0 ? void 0 : importantProperties.has(key)) ? 'important' : '');
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}
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else {
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dest.removeProperty(key);
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}
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}
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}
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return dest;
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}
|
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/**
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* Toggles whether the native drag interactions should be enabled for an element.
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* @param element Element on which to toggle the drag interactions.
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* @param enable Whether the drag interactions should be enabled.
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* @docs-private
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*/
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function toggleNativeDragInteractions(element, enable) {
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var userSelect = enable ? '' : 'none';
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extendStyles(element.style, {
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'touch-action': enable ? '' : 'none',
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'-webkit-user-drag': enable ? '' : 'none',
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'-webkit-tap-highlight-color': enable ? '' : 'transparent',
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'user-select': userSelect,
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'-ms-user-select': userSelect,
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'-webkit-user-select': userSelect,
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'-moz-user-select': userSelect
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});
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}
|
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/**
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* Toggles whether an element is visible while preserving its dimensions.
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* @param element Element whose visibility to toggle
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* @param enable Whether the element should be visible.
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* @param importantProperties Properties to be set as `!important`.
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* @docs-private
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*/
|
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function toggleVisibility(element, enable, importantProperties) {
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extendStyles(element.style, {
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position: enable ? '' : 'fixed',
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top: enable ? '' : '0',
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opacity: enable ? '' : '0',
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left: enable ? '' : '-999em'
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}, importantProperties);
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}
|
|
/**
|
|
* Combines a transform string with an optional other transform
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|
* that exited before the base transform was applied.
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*/
|
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function combineTransforms(transform, initialTransform) {
|
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return initialTransform && initialTransform != 'none' ?
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(transform + ' ' + initialTransform) :
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transform;
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}
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|
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/**
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* @license
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* Copyright Google LLC All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
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|
*/
|
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/** Parses a CSS time value to milliseconds. */
|
|
function parseCssTimeUnitsToMs(value) {
|
|
// Some browsers will return it in seconds, whereas others will return milliseconds.
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var multiplier = value.toLowerCase().indexOf('ms') > -1 ? 1 : 1000;
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return parseFloat(value) * multiplier;
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}
|
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/** Gets the transform transition duration, including the delay, of an element in milliseconds. */
|
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function getTransformTransitionDurationInMs(element) {
|
|
var computedStyle = getComputedStyle(element);
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var transitionedProperties = parseCssPropertyValue(computedStyle, 'transition-property');
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var property = transitionedProperties.find(function (prop) { return prop === 'transform' || prop === 'all'; });
|
|
// If there's no transition for `all` or `transform`, we shouldn't do anything.
|
|
if (!property) {
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return 0;
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|
}
|
|
// Get the index of the property that we're interested in and match
|
|
// it up to the same index in `transition-delay` and `transition-duration`.
|
|
var propertyIndex = transitionedProperties.indexOf(property);
|
|
var rawDurations = parseCssPropertyValue(computedStyle, 'transition-duration');
|
|
var rawDelays = parseCssPropertyValue(computedStyle, 'transition-delay');
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return parseCssTimeUnitsToMs(rawDurations[propertyIndex]) +
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parseCssTimeUnitsToMs(rawDelays[propertyIndex]);
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}
|
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/** Parses out multiple values from a computed style into an array. */
|
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function parseCssPropertyValue(computedStyle, name) {
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|
var value = computedStyle.getPropertyValue(name);
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return value.split(',').map(function (part) { return part.trim(); });
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}
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/**
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* @license
|
|
* Copyright Google LLC All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
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*/
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/** Gets a mutable version of an element's bounding `ClientRect`. */
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function getMutableClientRect(element) {
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var clientRect = element.getBoundingClientRect();
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// We need to clone the `clientRect` here, because all the values on it are readonly
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|
// and we need to be able to update them. Also we can't use a spread here, because
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|
// the values on a `ClientRect` aren't own properties. See:
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// https://developer.mozilla.org/en-US/docs/Web/API/Element/getBoundingClientRect#Notes
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return {
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top: clientRect.top,
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right: clientRect.right,
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bottom: clientRect.bottom,
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left: clientRect.left,
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width: clientRect.width,
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height: clientRect.height
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};
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}
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/**
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* Checks whether some coordinates are within a `ClientRect`.
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* @param clientRect ClientRect that is being checked.
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* @param x Coordinates along the X axis.
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* @param y Coordinates along the Y axis.
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*/
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function isInsideClientRect(clientRect, x, y) {
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var top = clientRect.top, bottom = clientRect.bottom, left = clientRect.left, right = clientRect.right;
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return y >= top && y <= bottom && x >= left && x <= right;
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}
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/**
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* Updates the top/left positions of a `ClientRect`, as well as their bottom/right counterparts.
|
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* @param clientRect `ClientRect` that should be updated.
|
|
* @param top Amount to add to the `top` position.
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* @param left Amount to add to the `left` position.
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*/
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function adjustClientRect(clientRect, top, left) {
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clientRect.top += top;
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clientRect.bottom = clientRect.top + clientRect.height;
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clientRect.left += left;
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clientRect.right = clientRect.left + clientRect.width;
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}
|
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/**
|
|
* Checks whether the pointer coordinates are close to a ClientRect.
|
|
* @param rect ClientRect to check against.
|
|
* @param threshold Threshold around the ClientRect.
|
|
* @param pointerX Coordinates along the X axis.
|
|
* @param pointerY Coordinates along the Y axis.
|
|
*/
|
|
function isPointerNearClientRect(rect, threshold, pointerX, pointerY) {
|
|
var top = rect.top, right = rect.right, bottom = rect.bottom, left = rect.left, width = rect.width, height = rect.height;
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var xThreshold = width * threshold;
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var yThreshold = height * threshold;
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return pointerY > top - yThreshold && pointerY < bottom + yThreshold &&
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pointerX > left - xThreshold && pointerX < right + xThreshold;
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}
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|
|
/**
|
|
* @license
|
|
* Copyright Google LLC All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
|
|
*/
|
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/** Keeps track of the scroll position and dimensions of the parents of an element. */
|
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var ParentPositionTracker = /** @class */ (function () {
|
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function ParentPositionTracker(_document, _viewportRuler) {
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this._document = _document;
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|
this._viewportRuler = _viewportRuler;
|
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/** Cached positions of the scrollable parent elements. */
|
|
this.positions = new Map();
|
|
}
|
|
/** Clears the cached positions. */
|
|
ParentPositionTracker.prototype.clear = function () {
|
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this.positions.clear();
|
|
};
|
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/** Caches the positions. Should be called at the beginning of a drag sequence. */
|
|
ParentPositionTracker.prototype.cache = function (elements) {
|
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var _this = this;
|
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this.clear();
|
|
this.positions.set(this._document, {
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|
scrollPosition: this._viewportRuler.getViewportScrollPosition(),
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});
|
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elements.forEach(function (element) {
|
|
_this.positions.set(element, {
|
|
scrollPosition: { top: element.scrollTop, left: element.scrollLeft },
|
|
clientRect: getMutableClientRect(element)
|
|
});
|
|
});
|
|
};
|
|
/** Handles scrolling while a drag is taking place. */
|
|
ParentPositionTracker.prototype.handleScroll = function (event) {
|
|
var target = platform._getEventTarget(event);
|
|
var cachedPosition = this.positions.get(target);
|
|
if (!cachedPosition) {
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return null;
|
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}
|
|
// Used when figuring out whether an element is inside the scroll parent. If the scrolled
|
|
// parent is the `document`, we use the `documentElement`, because IE doesn't support
|
|
// `contains` on the `document`.
|
|
var scrolledParentNode = target === this._document ? target.documentElement : target;
|
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var scrollPosition = cachedPosition.scrollPosition;
|
|
var newTop;
|
|
var newLeft;
|
|
if (target === this._document) {
|
|
var viewportScrollPosition = this._viewportRuler.getViewportScrollPosition();
|
|
newTop = viewportScrollPosition.top;
|
|
newLeft = viewportScrollPosition.left;
|
|
}
|
|
else {
|
|
newTop = target.scrollTop;
|
|
newLeft = target.scrollLeft;
|
|
}
|
|
var topDifference = scrollPosition.top - newTop;
|
|
var leftDifference = scrollPosition.left - newLeft;
|
|
// Go through and update the cached positions of the scroll
|
|
// parents that are inside the element that was scrolled.
|
|
this.positions.forEach(function (position, node) {
|
|
if (position.clientRect && target !== node && scrolledParentNode.contains(node)) {
|
|
adjustClientRect(position.clientRect, topDifference, leftDifference);
|
|
}
|
|
});
|
|
scrollPosition.top = newTop;
|
|
scrollPosition.left = newLeft;
|
|
return { top: topDifference, left: leftDifference };
|
|
};
|
|
return ParentPositionTracker;
|
|
}());
|
|
|
|
/**
|
|
* @license
|
|
* Copyright Google LLC All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
|
|
*/
|
|
/** Creates a deep clone of an element. */
|
|
function deepCloneNode(node) {
|
|
var clone = node.cloneNode(true);
|
|
var descendantsWithId = clone.querySelectorAll('[id]');
|
|
var nodeName = node.nodeName.toLowerCase();
|
|
// Remove the `id` to avoid having multiple elements with the same id on the page.
|
|
clone.removeAttribute('id');
|
|
for (var i = 0; i < descendantsWithId.length; i++) {
|
|
descendantsWithId[i].removeAttribute('id');
|
|
}
|
|
if (nodeName === 'canvas') {
|
|
transferCanvasData(node, clone);
|
|
}
|
|
else if (nodeName === 'input' || nodeName === 'select' || nodeName === 'textarea') {
|
|
transferInputData(node, clone);
|
|
}
|
|
transferData('canvas', node, clone, transferCanvasData);
|
|
transferData('input, textarea, select', node, clone, transferInputData);
|
|
return clone;
|
|
}
|
|
/** Matches elements between an element and its clone and allows for their data to be cloned. */
|
|
function transferData(selector, node, clone, callback) {
|
|
var descendantElements = node.querySelectorAll(selector);
|
|
if (descendantElements.length) {
|
|
var cloneElements = clone.querySelectorAll(selector);
|
|
for (var i = 0; i < descendantElements.length; i++) {
|
|
callback(descendantElements[i], cloneElements[i]);
|
|
}
|
|
}
|
|
}
|
|
// Counter for unique cloned radio button names.
|
|
var cloneUniqueId = 0;
|
|
/** Transfers the data of one input element to another. */
|
|
function transferInputData(source, clone) {
|
|
// Browsers throw an error when assigning the value of a file input programmatically.
|
|
if (clone.type !== 'file') {
|
|
clone.value = source.value;
|
|
}
|
|
// Radio button `name` attributes must be unique for radio button groups
|
|
// otherwise original radio buttons can lose their checked state
|
|
// once the clone is inserted in the DOM.
|
|
if (clone.type === 'radio' && clone.name) {
|
|
clone.name = "mat-clone-" + clone.name + "-" + cloneUniqueId++;
|
|
}
|
|
}
|
|
/** Transfers the data of one canvas element to another. */
|
|
function transferCanvasData(source, clone) {
|
|
var context = clone.getContext('2d');
|
|
if (context) {
|
|
// In some cases `drawImage` can throw (e.g. if the canvas size is 0x0).
|
|
// We can't do much about it so just ignore the error.
|
|
try {
|
|
context.drawImage(source, 0, 0);
|
|
}
|
|
catch (_a) { }
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @license
|
|
* Copyright Google LLC All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
|
|
*/
|
|
/** Options that can be used to bind a passive event listener. */
|
|
var passiveEventListenerOptions = platform.normalizePassiveListenerOptions({ passive: true });
|
|
/** Options that can be used to bind an active event listener. */
|
|
var activeEventListenerOptions = platform.normalizePassiveListenerOptions({ passive: false });
|
|
/**
|
|
* Time in milliseconds for which to ignore mouse events, after
|
|
* receiving a touch event. Used to avoid doing double work for
|
|
* touch devices where the browser fires fake mouse events, in
|
|
* addition to touch events.
|
|
*/
|
|
var MOUSE_EVENT_IGNORE_TIME = 800;
|
|
/** Inline styles to be set as `!important` while dragging. */
|
|
var dragImportantProperties = new Set([
|
|
// Needs to be important, because some `mat-table` sets `position: sticky !important`. See #22781.
|
|
'position'
|
|
]);
|
|
/**
|
|
* Reference to a draggable item. Used to manipulate or dispose of the item.
|
|
*/
|
|
var DragRef = /** @class */ (function () {
|
|
function DragRef(element, _config, _document, _ngZone, _viewportRuler, _dragDropRegistry) {
|
|
var _this = this;
|
|
this._config = _config;
|
|
this._document = _document;
|
|
this._ngZone = _ngZone;
|
|
this._viewportRuler = _viewportRuler;
|
|
this._dragDropRegistry = _dragDropRegistry;
|
|
/**
|
|
* CSS `transform` applied to the element when it isn't being dragged. We need a
|
|
* passive transform in order for the dragged element to retain its new position
|
|
* after the user has stopped dragging and because we need to know the relative
|
|
* position in case they start dragging again. This corresponds to `element.style.transform`.
|
|
*/
|
|
this._passiveTransform = { x: 0, y: 0 };
|
|
/** CSS `transform` that is applied to the element while it's being dragged. */
|
|
this._activeTransform = { x: 0, y: 0 };
|
|
/**
|
|
* Whether the dragging sequence has been started. Doesn't
|
|
* necessarily mean that the element has been moved.
|
|
*/
|
|
this._hasStartedDragging = false;
|
|
/** Emits when the item is being moved. */
|
|
this._moveEvents = new rxjs.Subject();
|
|
/** Subscription to pointer movement events. */
|
|
this._pointerMoveSubscription = rxjs.Subscription.EMPTY;
|
|
/** Subscription to the event that is dispatched when the user lifts their pointer. */
|
|
this._pointerUpSubscription = rxjs.Subscription.EMPTY;
|
|
/** Subscription to the viewport being scrolled. */
|
|
this._scrollSubscription = rxjs.Subscription.EMPTY;
|
|
/** Subscription to the viewport being resized. */
|
|
this._resizeSubscription = rxjs.Subscription.EMPTY;
|
|
/** Cached reference to the boundary element. */
|
|
this._boundaryElement = null;
|
|
/** Whether the native dragging interactions have been enabled on the root element. */
|
|
this._nativeInteractionsEnabled = true;
|
|
/** Elements that can be used to drag the draggable item. */
|
|
this._handles = [];
|
|
/** Registered handles that are currently disabled. */
|
|
this._disabledHandles = new Set();
|
|
/** Layout direction of the item. */
|
|
this._direction = 'ltr';
|
|
/**
|
|
* Amount of milliseconds to wait after the user has put their
|
|
* pointer down before starting to drag the element.
|
|
*/
|
|
this.dragStartDelay = 0;
|
|
this._disabled = false;
|
|
/** Emits as the drag sequence is being prepared. */
|
|
this.beforeStarted = new rxjs.Subject();
|
|
/** Emits when the user starts dragging the item. */
|
|
this.started = new rxjs.Subject();
|
|
/** Emits when the user has released a drag item, before any animations have started. */
|
|
this.released = new rxjs.Subject();
|
|
/** Emits when the user stops dragging an item in the container. */
|
|
this.ended = new rxjs.Subject();
|
|
/** Emits when the user has moved the item into a new container. */
|
|
this.entered = new rxjs.Subject();
|
|
/** Emits when the user removes the item its container by dragging it into another container. */
|
|
this.exited = new rxjs.Subject();
|
|
/** Emits when the user drops the item inside a container. */
|
|
this.dropped = new rxjs.Subject();
|
|
/**
|
|
* Emits as the user is dragging the item. Use with caution,
|
|
* because this event will fire for every pixel that the user has dragged.
|
|
*/
|
|
this.moved = this._moveEvents;
|
|
/** Handler for the `mousedown`/`touchstart` events. */
|
|
this._pointerDown = function (event) {
|
|
_this.beforeStarted.next();
|
|
// Delegate the event based on whether it started from a handle or the element itself.
|
|
if (_this._handles.length) {
|
|
var targetHandle = _this._handles.find(function (handle) {
|
|
var target = platform._getEventTarget(event);
|
|
return !!target && (target === handle || handle.contains(target));
|
|
});
|
|
if (targetHandle && !_this._disabledHandles.has(targetHandle) && !_this.disabled) {
|
|
_this._initializeDragSequence(targetHandle, event);
|
|
}
|
|
}
|
|
else if (!_this.disabled) {
|
|
_this._initializeDragSequence(_this._rootElement, event);
|
|
}
|
|
};
|
|
/** Handler that is invoked when the user moves their pointer after they've initiated a drag. */
|
|
this._pointerMove = function (event) {
|
|
var pointerPosition = _this._getPointerPositionOnPage(event);
|
|
if (!_this._hasStartedDragging) {
|
|
var distanceX = Math.abs(pointerPosition.x - _this._pickupPositionOnPage.x);
|
|
var distanceY = Math.abs(pointerPosition.y - _this._pickupPositionOnPage.y);
|
|
var isOverThreshold = distanceX + distanceY >= _this._config.dragStartThreshold;
|
|
// Only start dragging after the user has moved more than the minimum distance in either
|
|
// direction. Note that this is preferrable over doing something like `skip(minimumDistance)`
|
|
// in the `pointerMove` subscription, because we're not guaranteed to have one move event
|
|
// per pixel of movement (e.g. if the user moves their pointer quickly).
|
|
if (isOverThreshold) {
|
|
var isDelayElapsed = Date.now() >= _this._dragStartTime + _this._getDragStartDelay(event);
|
|
var container = _this._dropContainer;
|
|
if (!isDelayElapsed) {
|
|
_this._endDragSequence(event);
|
|
return;
|
|
}
|
|
// Prevent other drag sequences from starting while something in the container is still
|
|
// being dragged. This can happen while we're waiting for the drop animation to finish
|
|
// and can cause errors, because some elements might still be moving around.
|
|
if (!container || (!container.isDragging() && !container.isReceiving())) {
|
|
// Prevent the default action as soon as the dragging sequence is considered as
|
|
// "started" since waiting for the next event can allow the device to begin scrolling.
|
|
event.preventDefault();
|
|
_this._hasStartedDragging = true;
|
|
_this._ngZone.run(function () { return _this._startDragSequence(event); });
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
// We only need the preview dimensions if we have a boundary element.
|
|
if (_this._boundaryElement) {
|
|
// Cache the preview element rect if we haven't cached it already or if
|
|
// we cached it too early before the element dimensions were computed.
|
|
if (!_this._previewRect || (!_this._previewRect.width && !_this._previewRect.height)) {
|
|
_this._previewRect = (_this._preview || _this._rootElement).getBoundingClientRect();
|
|
}
|
|
}
|
|
// We prevent the default action down here so that we know that dragging has started. This is
|
|
// important for touch devices where doing this too early can unnecessarily block scrolling,
|
|
// if there's a dragging delay.
|
|
event.preventDefault();
|
|
var constrainedPointerPosition = _this._getConstrainedPointerPosition(pointerPosition);
|
|
_this._hasMoved = true;
|
|
_this._lastKnownPointerPosition = pointerPosition;
|
|
_this._updatePointerDirectionDelta(constrainedPointerPosition);
|
|
if (_this._dropContainer) {
|
|
_this._updateActiveDropContainer(constrainedPointerPosition, pointerPosition);
|
|
}
|
|
else {
|
|
var activeTransform = _this._activeTransform;
|
|
activeTransform.x =
|
|
constrainedPointerPosition.x - _this._pickupPositionOnPage.x + _this._passiveTransform.x;
|
|
activeTransform.y =
|
|
constrainedPointerPosition.y - _this._pickupPositionOnPage.y + _this._passiveTransform.y;
|
|
_this._applyRootElementTransform(activeTransform.x, activeTransform.y);
|
|
// Apply transform as attribute if dragging and svg element to work for IE
|
|
if (typeof SVGElement !== 'undefined' && _this._rootElement instanceof SVGElement) {
|
|
var appliedTransform = "translate(" + activeTransform.x + " " + activeTransform.y + ")";
|
|
_this._rootElement.setAttribute('transform', appliedTransform);
|
|
}
|
|
}
|
|
// Since this event gets fired for every pixel while dragging, we only
|
|
// want to fire it if the consumer opted into it. Also we have to
|
|
// re-enter the zone because we run all of the events on the outside.
|
|
if (_this._moveEvents.observers.length) {
|
|
_this._ngZone.run(function () {
|
|
_this._moveEvents.next({
|
|
source: _this,
|
|
pointerPosition: constrainedPointerPosition,
|
|
event: event,
|
|
distance: _this._getDragDistance(constrainedPointerPosition),
|
|
delta: _this._pointerDirectionDelta
|
|
});
|
|
});
|
|
}
|
|
};
|
|
/** Handler that is invoked when the user lifts their pointer up, after initiating a drag. */
|
|
this._pointerUp = function (event) {
|
|
_this._endDragSequence(event);
|
|
};
|
|
this.withRootElement(element).withParent(_config.parentDragRef || null);
|
|
this._parentPositions = new ParentPositionTracker(_document, _viewportRuler);
|
|
_dragDropRegistry.registerDragItem(this);
|
|
}
|
|
Object.defineProperty(DragRef.prototype, "disabled", {
|
|
/** Whether starting to drag this element is disabled. */
|
|
get: function () {
|
|
return this._disabled || !!(this._dropContainer && this._dropContainer.disabled);
|
|
},
|
|
set: function (value) {
|
|
var newValue = coercion.coerceBooleanProperty(value);
|
|
if (newValue !== this._disabled) {
|
|
this._disabled = newValue;
|
|
this._toggleNativeDragInteractions();
|
|
this._handles.forEach(function (handle) { return toggleNativeDragInteractions(handle, newValue); });
|
|
}
|
|
},
|
|
enumerable: false,
|
|
configurable: true
|
|
});
|
|
/**
|
|
* Returns the element that is being used as a placeholder
|
|
* while the current element is being dragged.
|
|
*/
|
|
DragRef.prototype.getPlaceholderElement = function () {
|
|
return this._placeholder;
|
|
};
|
|
/** Returns the root draggable element. */
|
|
DragRef.prototype.getRootElement = function () {
|
|
return this._rootElement;
|
|
};
|
|
/**
|
|
* Gets the currently-visible element that represents the drag item.
|
|
* While dragging this is the placeholder, otherwise it's the root element.
|
|
*/
|
|
DragRef.prototype.getVisibleElement = function () {
|
|
return this.isDragging() ? this.getPlaceholderElement() : this.getRootElement();
|
|
};
|
|
/** Registers the handles that can be used to drag the element. */
|
|
DragRef.prototype.withHandles = function (handles) {
|
|
var _this = this;
|
|
this._handles = handles.map(function (handle) { return coercion.coerceElement(handle); });
|
|
this._handles.forEach(function (handle) { return toggleNativeDragInteractions(handle, _this.disabled); });
|
|
this._toggleNativeDragInteractions();
|
|
// Delete any lingering disabled handles that may have been destroyed. Note that we re-create
|
|
// the set, rather than iterate over it and filter out the destroyed handles, because while
|
|
// the ES spec allows for sets to be modified while they're being iterated over, some polyfills
|
|
// use an array internally which may throw an error.
|
|
var disabledHandles = new Set();
|
|
this._disabledHandles.forEach(function (handle) {
|
|
if (_this._handles.indexOf(handle) > -1) {
|
|
disabledHandles.add(handle);
|
|
}
|
|
});
|
|
this._disabledHandles = disabledHandles;
|
|
return this;
|
|
};
|
|
/**
|
|
* Registers the template that should be used for the drag preview.
|
|
* @param template Template that from which to stamp out the preview.
|
|
*/
|
|
DragRef.prototype.withPreviewTemplate = function (template) {
|
|
this._previewTemplate = template;
|
|
return this;
|
|
};
|
|
/**
|
|
* Registers the template that should be used for the drag placeholder.
|
|
* @param template Template that from which to stamp out the placeholder.
|
|
*/
|
|
DragRef.prototype.withPlaceholderTemplate = function (template) {
|
|
this._placeholderTemplate = template;
|
|
return this;
|
|
};
|
|
/**
|
|
* Sets an alternate drag root element. The root element is the element that will be moved as
|
|
* the user is dragging. Passing an alternate root element is useful when trying to enable
|
|
* dragging on an element that you might not have access to.
|
|
*/
|
|
DragRef.prototype.withRootElement = function (rootElement) {
|
|
var _this = this;
|
|
var element = coercion.coerceElement(rootElement);
|
|
if (element !== this._rootElement) {
|
|
if (this._rootElement) {
|
|
this._removeRootElementListeners(this._rootElement);
|
|
}
|
|
this._ngZone.runOutsideAngular(function () {
|
|
element.addEventListener('mousedown', _this._pointerDown, activeEventListenerOptions);
|
|
element.addEventListener('touchstart', _this._pointerDown, passiveEventListenerOptions);
|
|
});
|
|
this._initialTransform = undefined;
|
|
this._rootElement = element;
|
|
}
|
|
if (typeof SVGElement !== 'undefined' && this._rootElement instanceof SVGElement) {
|
|
this._ownerSVGElement = this._rootElement.ownerSVGElement;
|
|
}
|
|
return this;
|
|
};
|
|
/**
|
|
* Element to which the draggable's position will be constrained.
|
|
*/
|
|
DragRef.prototype.withBoundaryElement = function (boundaryElement) {
|
|
var _this = this;
|
|
this._boundaryElement = boundaryElement ? coercion.coerceElement(boundaryElement) : null;
|
|
this._resizeSubscription.unsubscribe();
|
|
if (boundaryElement) {
|
|
this._resizeSubscription = this._viewportRuler
|
|
.change(10)
|
|
.subscribe(function () { return _this._containInsideBoundaryOnResize(); });
|
|
}
|
|
return this;
|
|
};
|
|
/** Sets the parent ref that the ref is nested in. */
|
|
DragRef.prototype.withParent = function (parent) {
|
|
this._parentDragRef = parent;
|
|
return this;
|
|
};
|
|
/** Removes the dragging functionality from the DOM element. */
|
|
DragRef.prototype.dispose = function () {
|
|
this._removeRootElementListeners(this._rootElement);
|
|
// Do this check before removing from the registry since it'll
|
|
// stop being considered as dragged once it is removed.
|
|
if (this.isDragging()) {
|
|
// Since we move out the element to the end of the body while it's being
|
|
// dragged, we have to make sure that it's removed if it gets destroyed.
|
|
removeNode(this._rootElement);
|
|
}
|
|
removeNode(this._anchor);
|
|
this._destroyPreview();
|
|
this._destroyPlaceholder();
|
|
this._dragDropRegistry.removeDragItem(this);
|
|
this._removeSubscriptions();
|
|
this.beforeStarted.complete();
|
|
this.started.complete();
|
|
this.released.complete();
|
|
this.ended.complete();
|
|
this.entered.complete();
|
|
this.exited.complete();
|
|
this.dropped.complete();
|
|
this._moveEvents.complete();
|
|
this._handles = [];
|
|
this._disabledHandles.clear();
|
|
this._dropContainer = undefined;
|
|
this._resizeSubscription.unsubscribe();
|
|
this._parentPositions.clear();
|
|
this._boundaryElement = this._rootElement = this._ownerSVGElement = this._placeholderTemplate =
|
|
this._previewTemplate = this._anchor = this._parentDragRef = null;
|
|
};
|
|
/** Checks whether the element is currently being dragged. */
|
|
DragRef.prototype.isDragging = function () {
|
|
return this._hasStartedDragging && this._dragDropRegistry.isDragging(this);
|
|
};
|
|
/** Resets a standalone drag item to its initial position. */
|
|
DragRef.prototype.reset = function () {
|
|
this._rootElement.style.transform = this._initialTransform || '';
|
|
this._activeTransform = { x: 0, y: 0 };
|
|
this._passiveTransform = { x: 0, y: 0 };
|
|
};
|
|
/**
|
|
* Sets a handle as disabled. While a handle is disabled, it'll capture and interrupt dragging.
|
|
* @param handle Handle element that should be disabled.
|
|
*/
|
|
DragRef.prototype.disableHandle = function (handle) {
|
|
if (!this._disabledHandles.has(handle) && this._handles.indexOf(handle) > -1) {
|
|
this._disabledHandles.add(handle);
|
|
toggleNativeDragInteractions(handle, true);
|
|
}
|
|
};
|
|
/**
|
|
* Enables a handle, if it has been disabled.
|
|
* @param handle Handle element to be enabled.
|
|
*/
|
|
DragRef.prototype.enableHandle = function (handle) {
|
|
if (this._disabledHandles.has(handle)) {
|
|
this._disabledHandles.delete(handle);
|
|
toggleNativeDragInteractions(handle, this.disabled);
|
|
}
|
|
};
|
|
/** Sets the layout direction of the draggable item. */
|
|
DragRef.prototype.withDirection = function (direction) {
|
|
this._direction = direction;
|
|
return this;
|
|
};
|
|
/** Sets the container that the item is part of. */
|
|
DragRef.prototype._withDropContainer = function (container) {
|
|
this._dropContainer = container;
|
|
};
|
|
/**
|
|
* Gets the current position in pixels the draggable outside of a drop container.
|
|
*/
|
|
DragRef.prototype.getFreeDragPosition = function () {
|
|
var position = this.isDragging() ? this._activeTransform : this._passiveTransform;
|
|
return { x: position.x, y: position.y };
|
|
};
|
|
/**
|
|
* Sets the current position in pixels the draggable outside of a drop container.
|
|
* @param value New position to be set.
|
|
*/
|
|
DragRef.prototype.setFreeDragPosition = function (value) {
|
|
this._activeTransform = { x: 0, y: 0 };
|
|
this._passiveTransform.x = value.x;
|
|
this._passiveTransform.y = value.y;
|
|
if (!this._dropContainer) {
|
|
this._applyRootElementTransform(value.x, value.y);
|
|
}
|
|
return this;
|
|
};
|
|
/**
|
|
* Sets the container into which to insert the preview element.
|
|
* @param value Container into which to insert the preview.
|
|
*/
|
|
DragRef.prototype.withPreviewContainer = function (value) {
|
|
this._previewContainer = value;
|
|
return this;
|
|
};
|
|
/** Updates the item's sort order based on the last-known pointer position. */
|
|
DragRef.prototype._sortFromLastPointerPosition = function () {
|
|
var position = this._lastKnownPointerPosition;
|
|
if (position && this._dropContainer) {
|
|
this._updateActiveDropContainer(this._getConstrainedPointerPosition(position), position);
|
|
}
|
|
};
|
|
/** Unsubscribes from the global subscriptions. */
|
|
DragRef.prototype._removeSubscriptions = function () {
|
|
this._pointerMoveSubscription.unsubscribe();
|
|
this._pointerUpSubscription.unsubscribe();
|
|
this._scrollSubscription.unsubscribe();
|
|
};
|
|
/** Destroys the preview element and its ViewRef. */
|
|
DragRef.prototype._destroyPreview = function () {
|
|
if (this._preview) {
|
|
removeNode(this._preview);
|
|
}
|
|
if (this._previewRef) {
|
|
this._previewRef.destroy();
|
|
}
|
|
this._preview = this._previewRef = null;
|
|
};
|
|
/** Destroys the placeholder element and its ViewRef. */
|
|
DragRef.prototype._destroyPlaceholder = function () {
|
|
if (this._placeholder) {
|
|
removeNode(this._placeholder);
|
|
}
|
|
if (this._placeholderRef) {
|
|
this._placeholderRef.destroy();
|
|
}
|
|
this._placeholder = this._placeholderRef = null;
|
|
};
|
|
/**
|
|
* Clears subscriptions and stops the dragging sequence.
|
|
* @param event Browser event object that ended the sequence.
|
|
*/
|
|
DragRef.prototype._endDragSequence = function (event) {
|
|
var _this = this;
|
|
// Note that here we use `isDragging` from the service, rather than from `this`.
|
|
// The difference is that the one from the service reflects whether a dragging sequence
|
|
// has been initiated, whereas the one on `this` includes whether the user has passed
|
|
// the minimum dragging threshold.
|
|
if (!this._dragDropRegistry.isDragging(this)) {
|
|
return;
|
|
}
|
|
this._removeSubscriptions();
|
|
this._dragDropRegistry.stopDragging(this);
|
|
this._toggleNativeDragInteractions();
|
|
if (this._handles) {
|
|
this._rootElement.style.webkitTapHighlightColor = this._rootElementTapHighlight;
|
|
}
|
|
if (!this._hasStartedDragging) {
|
|
return;
|
|
}
|
|
this.released.next({ source: this });
|
|
if (this._dropContainer) {
|
|
// Stop scrolling immediately, instead of waiting for the animation to finish.
|
|
this._dropContainer._stopScrolling();
|
|
this._animatePreviewToPlaceholder().then(function () {
|
|
_this._cleanupDragArtifacts(event);
|
|
_this._cleanupCachedDimensions();
|
|
_this._dragDropRegistry.stopDragging(_this);
|
|
});
|
|
}
|
|
else {
|
|
// Convert the active transform into a passive one. This means that next time
|
|
// the user starts dragging the item, its position will be calculated relatively
|
|
// to the new passive transform.
|
|
this._passiveTransform.x = this._activeTransform.x;
|
|
var pointerPosition_1 = this._getPointerPositionOnPage(event);
|
|
this._passiveTransform.y = this._activeTransform.y;
|
|
this._ngZone.run(function () {
|
|
_this.ended.next({
|
|
source: _this,
|
|
distance: _this._getDragDistance(pointerPosition_1),
|
|
dropPoint: pointerPosition_1
|
|
});
|
|
});
|
|
this._cleanupCachedDimensions();
|
|
this._dragDropRegistry.stopDragging(this);
|
|
}
|
|
};
|
|
/** Starts the dragging sequence. */
|
|
DragRef.prototype._startDragSequence = function (event) {
|
|
if (isTouchEvent(event)) {
|
|
this._lastTouchEventTime = Date.now();
|
|
}
|
|
this._toggleNativeDragInteractions();
|
|
var dropContainer = this._dropContainer;
|
|
if (dropContainer) {
|
|
var element = this._rootElement;
|
|
var parent = element.parentNode;
|
|
var placeholder = this._placeholder = this._createPlaceholderElement();
|
|
var anchor = this._anchor = this._anchor || this._document.createComment('');
|
|
// Needs to happen before the root element is moved.
|
|
var shadowRoot = this._getShadowRoot();
|
|
// Insert an anchor node so that we can restore the element's position in the DOM.
|
|
parent.insertBefore(anchor, element);
|
|
// There's no risk of transforms stacking when inside a drop container so
|
|
// we can keep the initial transform up to date any time dragging starts.
|
|
this._initialTransform = element.style.transform || '';
|
|
// Create the preview after the initial transform has
|
|
// been cached, because it can be affected by the transform.
|
|
this._preview = this._createPreviewElement();
|
|
// We move the element out at the end of the body and we make it hidden, because keeping it in
|
|
// place will throw off the consumer's `:last-child` selectors. We can't remove the element
|
|
// from the DOM completely, because iOS will stop firing all subsequent events in the chain.
|
|
toggleVisibility(element, false, dragImportantProperties);
|
|
this._document.body.appendChild(parent.replaceChild(placeholder, element));
|
|
this._getPreviewInsertionPoint(parent, shadowRoot).appendChild(this._preview);
|
|
this.started.next({ source: this }); // Emit before notifying the container.
|
|
dropContainer.start();
|
|
this._initialContainer = dropContainer;
|
|
this._initialIndex = dropContainer.getItemIndex(this);
|
|
}
|
|
else {
|
|
this.started.next({ source: this });
|
|
this._initialContainer = this._initialIndex = undefined;
|
|
}
|
|
// Important to run after we've called `start` on the parent container
|
|
// so that it has had time to resolve its scrollable parents.
|
|
this._parentPositions.cache(dropContainer ? dropContainer.getScrollableParents() : []);
|
|
};
|
|
/**
|
|
* Sets up the different variables and subscriptions
|
|
* that will be necessary for the dragging sequence.
|
|
* @param referenceElement Element that started the drag sequence.
|
|
* @param event Browser event object that started the sequence.
|
|
*/
|
|
DragRef.prototype._initializeDragSequence = function (referenceElement, event) {
|
|
var _this = this;
|
|
// Stop propagation if the item is inside another
|
|
// draggable so we don't start multiple drag sequences.
|
|
if (this._parentDragRef) {
|
|
event.stopPropagation();
|
|
}
|
|
var isDragging = this.isDragging();
|
|
var isTouchSequence = isTouchEvent(event);
|
|
var isAuxiliaryMouseButton = !isTouchSequence && event.button !== 0;
|
|
var rootElement = this._rootElement;
|
|
var target = platform._getEventTarget(event);
|
|
var isSyntheticEvent = !isTouchSequence && this._lastTouchEventTime &&
|
|
this._lastTouchEventTime + MOUSE_EVENT_IGNORE_TIME > Date.now();
|
|
var isFakeEvent = isTouchSequence ? a11y.isFakeTouchstartFromScreenReader(event) :
|
|
a11y.isFakeMousedownFromScreenReader(event);
|
|
// If the event started from an element with the native HTML drag&drop, it'll interfere
|
|
// with our own dragging (e.g. `img` tags do it by default). Prevent the default action
|
|
// to stop it from happening. Note that preventing on `dragstart` also seems to work, but
|
|
// it's flaky and it fails if the user drags it away quickly. Also note that we only want
|
|
// to do this for `mousedown` since doing the same for `touchstart` will stop any `click`
|
|
// events from firing on touch devices.
|
|
if (target && target.draggable && event.type === 'mousedown') {
|
|
event.preventDefault();
|
|
}
|
|
// Abort if the user is already dragging or is using a mouse button other than the primary one.
|
|
if (isDragging || isAuxiliaryMouseButton || isSyntheticEvent || isFakeEvent) {
|
|
return;
|
|
}
|
|
// If we've got handles, we need to disable the tap highlight on the entire root element,
|
|
// otherwise iOS will still add it, even though all the drag interactions on the handle
|
|
// are disabled.
|
|
if (this._handles.length) {
|
|
this._rootElementTapHighlight = rootElement.style.webkitTapHighlightColor || '';
|
|
rootElement.style.webkitTapHighlightColor = 'transparent';
|
|
}
|
|
this._hasStartedDragging = this._hasMoved = false;
|
|
// Avoid multiple subscriptions and memory leaks when multi touch
|
|
// (isDragging check above isn't enough because of possible temporal and/or dimensional delays)
|
|
this._removeSubscriptions();
|
|
this._pointerMoveSubscription = this._dragDropRegistry.pointerMove.subscribe(this._pointerMove);
|
|
this._pointerUpSubscription = this._dragDropRegistry.pointerUp.subscribe(this._pointerUp);
|
|
this._scrollSubscription = this._dragDropRegistry
|
|
.scrolled(this._getShadowRoot())
|
|
.subscribe(function (scrollEvent) { return _this._updateOnScroll(scrollEvent); });
|
|
if (this._boundaryElement) {
|
|
this._boundaryRect = getMutableClientRect(this._boundaryElement);
|
|
}
|
|
// If we have a custom preview we can't know ahead of time how large it'll be so we position
|
|
// it next to the cursor. The exception is when the consumer has opted into making the preview
|
|
// the same size as the root element, in which case we do know the size.
|
|
var previewTemplate = this._previewTemplate;
|
|
this._pickupPositionInElement = previewTemplate && previewTemplate.template &&
|
|
!previewTemplate.matchSize ? { x: 0, y: 0 } :
|
|
this._getPointerPositionInElement(referenceElement, event);
|
|
var pointerPosition = this._pickupPositionOnPage = this._lastKnownPointerPosition =
|
|
this._getPointerPositionOnPage(event);
|
|
this._pointerDirectionDelta = { x: 0, y: 0 };
|
|
this._pointerPositionAtLastDirectionChange = { x: pointerPosition.x, y: pointerPosition.y };
|
|
this._dragStartTime = Date.now();
|
|
this._dragDropRegistry.startDragging(this, event);
|
|
};
|
|
/** Cleans up the DOM artifacts that were added to facilitate the element being dragged. */
|
|
DragRef.prototype._cleanupDragArtifacts = function (event) {
|
|
var _this = this;
|
|
// Restore the element's visibility and insert it at its old position in the DOM.
|
|
// It's important that we maintain the position, because moving the element around in the DOM
|
|
// can throw off `NgFor` which does smart diffing and re-creates elements only when necessary,
|
|
// while moving the existing elements in all other cases.
|
|
toggleVisibility(this._rootElement, true, dragImportantProperties);
|
|
this._anchor.parentNode.replaceChild(this._rootElement, this._anchor);
|
|
this._destroyPreview();
|
|
this._destroyPlaceholder();
|
|
this._boundaryRect = this._previewRect = this._initialTransform = undefined;
|
|
// Re-enter the NgZone since we bound `document` events on the outside.
|
|
this._ngZone.run(function () {
|
|
var container = _this._dropContainer;
|
|
var currentIndex = container.getItemIndex(_this);
|
|
var pointerPosition = _this._getPointerPositionOnPage(event);
|
|
var distance = _this._getDragDistance(pointerPosition);
|
|
var isPointerOverContainer = container._isOverContainer(pointerPosition.x, pointerPosition.y);
|
|
_this.ended.next({ source: _this, distance: distance, dropPoint: pointerPosition });
|
|
_this.dropped.next({
|
|
item: _this,
|
|
currentIndex: currentIndex,
|
|
previousIndex: _this._initialIndex,
|
|
container: container,
|
|
previousContainer: _this._initialContainer,
|
|
isPointerOverContainer: isPointerOverContainer,
|
|
distance: distance,
|
|
dropPoint: pointerPosition
|
|
});
|
|
container.drop(_this, currentIndex, _this._initialIndex, _this._initialContainer, isPointerOverContainer, distance, pointerPosition);
|
|
_this._dropContainer = _this._initialContainer;
|
|
});
|
|
};
|
|
/**
|
|
* Updates the item's position in its drop container, or moves it
|
|
* into a new one, depending on its current drag position.
|
|
*/
|
|
DragRef.prototype._updateActiveDropContainer = function (_b, _c) {
|
|
var _this = this;
|
|
var x = _b.x, y = _b.y;
|
|
var rawX = _c.x, rawY = _c.y;
|
|
// Drop container that draggable has been moved into.
|
|
var newContainer = this._initialContainer._getSiblingContainerFromPosition(this, x, y);
|
|
// If we couldn't find a new container to move the item into, and the item has left its
|
|
// initial container, check whether the it's over the initial container. This handles the
|
|
// case where two containers are connected one way and the user tries to undo dragging an
|
|
// item into a new container.
|
|
if (!newContainer && this._dropContainer !== this._initialContainer &&
|
|
this._initialContainer._isOverContainer(x, y)) {
|
|
newContainer = this._initialContainer;
|
|
}
|
|
if (newContainer && newContainer !== this._dropContainer) {
|
|
this._ngZone.run(function () {
|
|
// Notify the old container that the item has left.
|
|
_this.exited.next({ item: _this, container: _this._dropContainer });
|
|
_this._dropContainer.exit(_this);
|
|
// Notify the new container that the item has entered.
|
|
_this._dropContainer = newContainer;
|
|
_this._dropContainer.enter(_this, x, y, newContainer === _this._initialContainer &&
|
|
// If we're re-entering the initial container and sorting is disabled,
|
|
// put item the into its starting index to begin with.
|
|
newContainer.sortingDisabled ? _this._initialIndex : undefined);
|
|
_this.entered.next({
|
|
item: _this,
|
|
container: newContainer,
|
|
currentIndex: newContainer.getItemIndex(_this)
|
|
});
|
|
});
|
|
}
|
|
// Dragging may have been interrupted as a result of the events above.
|
|
if (this.isDragging()) {
|
|
this._dropContainer._startScrollingIfNecessary(rawX, rawY);
|
|
this._dropContainer._sortItem(this, x, y, this._pointerDirectionDelta);
|
|
this._applyPreviewTransform(x - this._pickupPositionInElement.x, y - this._pickupPositionInElement.y);
|
|
}
|
|
};
|
|
/**
|
|
* Creates the element that will be rendered next to the user's pointer
|
|
* and will be used as a preview of the element that is being dragged.
|
|
*/
|
|
DragRef.prototype._createPreviewElement = function () {
|
|
var previewConfig = this._previewTemplate;
|
|
var previewClass = this.previewClass;
|
|
var previewTemplate = previewConfig ? previewConfig.template : null;
|
|
var preview;
|
|
if (previewTemplate && previewConfig) {
|
|
// Measure the element before we've inserted the preview
|
|
// since the insertion could throw off the measurement.
|
|
var rootRect = previewConfig.matchSize ? this._rootElement.getBoundingClientRect() : null;
|
|
var viewRef = previewConfig.viewContainer.createEmbeddedView(previewTemplate, previewConfig.context);
|
|
viewRef.detectChanges();
|
|
preview = getRootNode(viewRef, this._document);
|
|
this._previewRef = viewRef;
|
|
if (previewConfig.matchSize) {
|
|
matchElementSize(preview, rootRect);
|
|
}
|
|
else {
|
|
preview.style.transform =
|
|
getTransform(this._pickupPositionOnPage.x, this._pickupPositionOnPage.y);
|
|
}
|
|
}
|
|
else {
|
|
var element = this._rootElement;
|
|
preview = deepCloneNode(element);
|
|
matchElementSize(preview, element.getBoundingClientRect());
|
|
if (this._initialTransform) {
|
|
preview.style.transform = this._initialTransform;
|
|
}
|
|
}
|
|
extendStyles(preview.style, {
|
|
// It's important that we disable the pointer events on the preview, because
|
|
// it can throw off the `document.elementFromPoint` calls in the `CdkDropList`.
|
|
'pointer-events': 'none',
|
|
// We have to reset the margin, because it can throw off positioning relative to the viewport.
|
|
'margin': '0',
|
|
'position': 'fixed',
|
|
'top': '0',
|
|
'left': '0',
|
|
'z-index': "" + (this._config.zIndex || 1000)
|
|
}, dragImportantProperties);
|
|
toggleNativeDragInteractions(preview, false);
|
|
preview.classList.add('cdk-drag-preview');
|
|
preview.setAttribute('dir', this._direction);
|
|
if (previewClass) {
|
|
if (Array.isArray(previewClass)) {
|
|
previewClass.forEach(function (className) { return preview.classList.add(className); });
|
|
}
|
|
else {
|
|
preview.classList.add(previewClass);
|
|
}
|
|
}
|
|
return preview;
|
|
};
|
|
/**
|
|
* Animates the preview element from its current position to the location of the drop placeholder.
|
|
* @returns Promise that resolves when the animation completes.
|
|
*/
|
|
DragRef.prototype._animatePreviewToPlaceholder = function () {
|
|
var _this = this;
|
|
// If the user hasn't moved yet, the transitionend event won't fire.
|
|
if (!this._hasMoved) {
|
|
return Promise.resolve();
|
|
}
|
|
var placeholderRect = this._placeholder.getBoundingClientRect();
|
|
// Apply the class that adds a transition to the preview.
|
|
this._preview.classList.add('cdk-drag-animating');
|
|
// Move the preview to the placeholder position.
|
|
this._applyPreviewTransform(placeholderRect.left, placeholderRect.top);
|
|
// If the element doesn't have a `transition`, the `transitionend` event won't fire. Since
|
|
// we need to trigger a style recalculation in order for the `cdk-drag-animating` class to
|
|
// apply its style, we take advantage of the available info to figure out whether we need to
|
|
// bind the event in the first place.
|
|
var duration = getTransformTransitionDurationInMs(this._preview);
|
|
if (duration === 0) {
|
|
return Promise.resolve();
|
|
}
|
|
return this._ngZone.runOutsideAngular(function () {
|
|
return new Promise(function (resolve) {
|
|
var handler = (function (event) {
|
|
var _a;
|
|
if (!event || (platform._getEventTarget(event) === _this._preview &&
|
|
event.propertyName === 'transform')) {
|
|
(_a = _this._preview) === null || _a === void 0 ? void 0 : _a.removeEventListener('transitionend', handler);
|
|
resolve();
|
|
clearTimeout(timeout);
|
|
}
|
|
});
|
|
// If a transition is short enough, the browser might not fire the `transitionend` event.
|
|
// Since we know how long it's supposed to take, add a timeout with a 50% buffer that'll
|
|
// fire if the transition hasn't completed when it was supposed to.
|
|
var timeout = setTimeout(handler, duration * 1.5);
|
|
_this._preview.addEventListener('transitionend', handler);
|
|
});
|
|
});
|
|
};
|
|
/** Creates an element that will be shown instead of the current element while dragging. */
|
|
DragRef.prototype._createPlaceholderElement = function () {
|
|
var placeholderConfig = this._placeholderTemplate;
|
|
var placeholderTemplate = placeholderConfig ? placeholderConfig.template : null;
|
|
var placeholder;
|
|
if (placeholderTemplate) {
|
|
this._placeholderRef = placeholderConfig.viewContainer.createEmbeddedView(placeholderTemplate, placeholderConfig.context);
|
|
this._placeholderRef.detectChanges();
|
|
placeholder = getRootNode(this._placeholderRef, this._document);
|
|
}
|
|
else {
|
|
placeholder = deepCloneNode(this._rootElement);
|
|
}
|
|
placeholder.classList.add('cdk-drag-placeholder');
|
|
return placeholder;
|
|
};
|
|
/**
|
|
* Figures out the coordinates at which an element was picked up.
|
|
* @param referenceElement Element that initiated the dragging.
|
|
* @param event Event that initiated the dragging.
|
|
*/
|
|
DragRef.prototype._getPointerPositionInElement = function (referenceElement, event) {
|
|
var elementRect = this._rootElement.getBoundingClientRect();
|
|
var handleElement = referenceElement === this._rootElement ? null : referenceElement;
|
|
var referenceRect = handleElement ? handleElement.getBoundingClientRect() : elementRect;
|
|
var point = isTouchEvent(event) ? event.targetTouches[0] : event;
|
|
var scrollPosition = this._getViewportScrollPosition();
|
|
var x = point.pageX - referenceRect.left - scrollPosition.left;
|
|
var y = point.pageY - referenceRect.top - scrollPosition.top;
|
|
return {
|
|
x: referenceRect.left - elementRect.left + x,
|
|
y: referenceRect.top - elementRect.top + y
|
|
};
|
|
};
|
|
/** Determines the point of the page that was touched by the user. */
|
|
DragRef.prototype._getPointerPositionOnPage = function (event) {
|
|
var scrollPosition = this._getViewportScrollPosition();
|
|
var point = isTouchEvent(event) ?
|
|
// `touches` will be empty for start/end events so we have to fall back to `changedTouches`.
|
|
// Also note that on real devices we're guaranteed for either `touches` or `changedTouches`
|
|
// to have a value, but Firefox in device emulation mode has a bug where both can be empty
|
|
// for `touchstart` and `touchend` so we fall back to a dummy object in order to avoid
|
|
// throwing an error. The value returned here will be incorrect, but since this only
|
|
// breaks inside a developer tool and the value is only used for secondary information,
|
|
// we can get away with it. See https://bugzilla.mozilla.org/show_bug.cgi?id=1615824.
|
|
(event.touches[0] || event.changedTouches[0] || { pageX: 0, pageY: 0 }) : event;
|
|
var x = point.pageX - scrollPosition.left;
|
|
var y = point.pageY - scrollPosition.top;
|
|
// if dragging SVG element, try to convert from the screen coordinate system to the SVG
|
|
// coordinate system
|
|
if (this._ownerSVGElement) {
|
|
var svgMatrix = this._ownerSVGElement.getScreenCTM();
|
|
if (svgMatrix) {
|
|
var svgPoint = this._ownerSVGElement.createSVGPoint();
|
|
svgPoint.x = x;
|
|
svgPoint.y = y;
|
|
return svgPoint.matrixTransform(svgMatrix.inverse());
|
|
}
|
|
}
|
|
return { x: x, y: y };
|
|
};
|
|
/** Gets the pointer position on the page, accounting for any position constraints. */
|
|
DragRef.prototype._getConstrainedPointerPosition = function (point) {
|
|
var dropContainerLock = this._dropContainer ? this._dropContainer.lockAxis : null;
|
|
var _b = this.constrainPosition ? this.constrainPosition(point, this) : point, x = _b.x, y = _b.y;
|
|
if (this.lockAxis === 'x' || dropContainerLock === 'x') {
|
|
y = this._pickupPositionOnPage.y;
|
|
}
|
|
else if (this.lockAxis === 'y' || dropContainerLock === 'y') {
|
|
x = this._pickupPositionOnPage.x;
|
|
}
|
|
if (this._boundaryRect) {
|
|
var _c = this._pickupPositionInElement, pickupX = _c.x, pickupY = _c.y;
|
|
var boundaryRect = this._boundaryRect;
|
|
var previewRect = this._previewRect;
|
|
var minY = boundaryRect.top + pickupY;
|
|
var maxY = boundaryRect.bottom - (previewRect.height - pickupY);
|
|
var minX = boundaryRect.left + pickupX;
|
|
var maxX = boundaryRect.right - (previewRect.width - pickupX);
|
|
x = clamp$1(x, minX, maxX);
|
|
y = clamp$1(y, minY, maxY);
|
|
}
|
|
return { x: x, y: y };
|
|
};
|
|
/** Updates the current drag delta, based on the user's current pointer position on the page. */
|
|
DragRef.prototype._updatePointerDirectionDelta = function (pointerPositionOnPage) {
|
|
var x = pointerPositionOnPage.x, y = pointerPositionOnPage.y;
|
|
var delta = this._pointerDirectionDelta;
|
|
var positionSinceLastChange = this._pointerPositionAtLastDirectionChange;
|
|
// Amount of pixels the user has dragged since the last time the direction changed.
|
|
var changeX = Math.abs(x - positionSinceLastChange.x);
|
|
var changeY = Math.abs(y - positionSinceLastChange.y);
|
|
// Because we handle pointer events on a per-pixel basis, we don't want the delta
|
|
// to change for every pixel, otherwise anything that depends on it can look erratic.
|
|
// To make the delta more consistent, we track how much the user has moved since the last
|
|
// delta change and we only update it after it has reached a certain threshold.
|
|
if (changeX > this._config.pointerDirectionChangeThreshold) {
|
|
delta.x = x > positionSinceLastChange.x ? 1 : -1;
|
|
positionSinceLastChange.x = x;
|
|
}
|
|
if (changeY > this._config.pointerDirectionChangeThreshold) {
|
|
delta.y = y > positionSinceLastChange.y ? 1 : -1;
|
|
positionSinceLastChange.y = y;
|
|
}
|
|
return delta;
|
|
};
|
|
/** Toggles the native drag interactions, based on how many handles are registered. */
|
|
DragRef.prototype._toggleNativeDragInteractions = function () {
|
|
if (!this._rootElement || !this._handles) {
|
|
return;
|
|
}
|
|
var shouldEnable = this._handles.length > 0 || !this.isDragging();
|
|
if (shouldEnable !== this._nativeInteractionsEnabled) {
|
|
this._nativeInteractionsEnabled = shouldEnable;
|
|
toggleNativeDragInteractions(this._rootElement, shouldEnable);
|
|
}
|
|
};
|
|
/** Removes the manually-added event listeners from the root element. */
|
|
DragRef.prototype._removeRootElementListeners = function (element) {
|
|
element.removeEventListener('mousedown', this._pointerDown, activeEventListenerOptions);
|
|
element.removeEventListener('touchstart', this._pointerDown, passiveEventListenerOptions);
|
|
};
|
|
/**
|
|
* Applies a `transform` to the root element, taking into account any existing transforms on it.
|
|
* @param x New transform value along the X axis.
|
|
* @param y New transform value along the Y axis.
|
|
*/
|
|
DragRef.prototype._applyRootElementTransform = function (x, y) {
|
|
var transform = getTransform(x, y);
|
|
// Cache the previous transform amount only after the first drag sequence, because
|
|
// we don't want our own transforms to stack on top of each other.
|
|
// Should be excluded none because none + translate3d(x, y, x) is invalid css
|
|
if (this._initialTransform == null) {
|
|
this._initialTransform = this._rootElement.style.transform
|
|
&& this._rootElement.style.transform != 'none'
|
|
? this._rootElement.style.transform
|
|
: '';
|
|
}
|
|
// Preserve the previous `transform` value, if there was one. Note that we apply our own
|
|
// transform before the user's, because things like rotation can affect which direction
|
|
// the element will be translated towards.
|
|
this._rootElement.style.transform = combineTransforms(transform, this._initialTransform);
|
|
};
|
|
/**
|
|
* Applies a `transform` to the preview, taking into account any existing transforms on it.
|
|
* @param x New transform value along the X axis.
|
|
* @param y New transform value along the Y axis.
|
|
*/
|
|
DragRef.prototype._applyPreviewTransform = function (x, y) {
|
|
var _a;
|
|
// Only apply the initial transform if the preview is a clone of the original element, otherwise
|
|
// it could be completely different and the transform might not make sense anymore.
|
|
var initialTransform = ((_a = this._previewTemplate) === null || _a === void 0 ? void 0 : _a.template) ? undefined : this._initialTransform;
|
|
var transform = getTransform(x, y);
|
|
this._preview.style.transform = combineTransforms(transform, initialTransform);
|
|
};
|
|
/**
|
|
* Gets the distance that the user has dragged during the current drag sequence.
|
|
* @param currentPosition Current position of the user's pointer.
|
|
*/
|
|
DragRef.prototype._getDragDistance = function (currentPosition) {
|
|
var pickupPosition = this._pickupPositionOnPage;
|
|
if (pickupPosition) {
|
|
return { x: currentPosition.x - pickupPosition.x, y: currentPosition.y - pickupPosition.y };
|
|
}
|
|
return { x: 0, y: 0 };
|
|
};
|
|
/** Cleans up any cached element dimensions that we don't need after dragging has stopped. */
|
|
DragRef.prototype._cleanupCachedDimensions = function () {
|
|
this._boundaryRect = this._previewRect = undefined;
|
|
this._parentPositions.clear();
|
|
};
|
|
/**
|
|
* Checks whether the element is still inside its boundary after the viewport has been resized.
|
|
* If not, the position is adjusted so that the element fits again.
|
|
*/
|
|
DragRef.prototype._containInsideBoundaryOnResize = function () {
|
|
var _b = this._passiveTransform, x = _b.x, y = _b.y;
|
|
if ((x === 0 && y === 0) || this.isDragging() || !this._boundaryElement) {
|
|
return;
|
|
}
|
|
var boundaryRect = this._boundaryElement.getBoundingClientRect();
|
|
var elementRect = this._rootElement.getBoundingClientRect();
|
|
// It's possible that the element got hidden away after dragging (e.g. by switching to a
|
|
// different tab). Don't do anything in this case so we don't clear the user's position.
|
|
if ((boundaryRect.width === 0 && boundaryRect.height === 0) ||
|
|
(elementRect.width === 0 && elementRect.height === 0)) {
|
|
return;
|
|
}
|
|
var leftOverflow = boundaryRect.left - elementRect.left;
|
|
var rightOverflow = elementRect.right - boundaryRect.right;
|
|
var topOverflow = boundaryRect.top - elementRect.top;
|
|
var bottomOverflow = elementRect.bottom - boundaryRect.bottom;
|
|
// If the element has become wider than the boundary, we can't
|
|
// do much to make it fit so we just anchor it to the left.
|
|
if (boundaryRect.width > elementRect.width) {
|
|
if (leftOverflow > 0) {
|
|
x += leftOverflow;
|
|
}
|
|
if (rightOverflow > 0) {
|
|
x -= rightOverflow;
|
|
}
|
|
}
|
|
else {
|
|
x = 0;
|
|
}
|
|
// If the element has become taller than the boundary, we can't
|
|
// do much to make it fit so we just anchor it to the top.
|
|
if (boundaryRect.height > elementRect.height) {
|
|
if (topOverflow > 0) {
|
|
y += topOverflow;
|
|
}
|
|
if (bottomOverflow > 0) {
|
|
y -= bottomOverflow;
|
|
}
|
|
}
|
|
else {
|
|
y = 0;
|
|
}
|
|
if (x !== this._passiveTransform.x || y !== this._passiveTransform.y) {
|
|
this.setFreeDragPosition({ y: y, x: x });
|
|
}
|
|
};
|
|
/** Gets the drag start delay, based on the event type. */
|
|
DragRef.prototype._getDragStartDelay = function (event) {
|
|
var value = this.dragStartDelay;
|
|
if (typeof value === 'number') {
|
|
return value;
|
|
}
|
|
else if (isTouchEvent(event)) {
|
|
return value.touch;
|
|
}
|
|
return value ? value.mouse : 0;
|
|
};
|
|
/** Updates the internal state of the draggable element when scrolling has occurred. */
|
|
DragRef.prototype._updateOnScroll = function (event) {
|
|
var scrollDifference = this._parentPositions.handleScroll(event);
|
|
if (scrollDifference) {
|
|
var target = platform._getEventTarget(event);
|
|
// ClientRect dimensions are based on the scroll position of the page and its parent node so
|
|
// we have to update the cached boundary ClientRect if the user has scrolled. Check for
|
|
// the `document` specifically since IE doesn't support `contains` on it.
|
|
if (this._boundaryRect && (target === this._document ||
|
|
(target !== this._boundaryElement && target.contains(this._boundaryElement)))) {
|
|
adjustClientRect(this._boundaryRect, scrollDifference.top, scrollDifference.left);
|
|
}
|
|
this._pickupPositionOnPage.x += scrollDifference.left;
|
|
this._pickupPositionOnPage.y += scrollDifference.top;
|
|
// If we're in free drag mode, we have to update the active transform, because
|
|
// it isn't relative to the viewport like the preview inside a drop list.
|
|
if (!this._dropContainer) {
|
|
this._activeTransform.x -= scrollDifference.left;
|
|
this._activeTransform.y -= scrollDifference.top;
|
|
this._applyRootElementTransform(this._activeTransform.x, this._activeTransform.y);
|
|
}
|
|
}
|
|
};
|
|
/** Gets the scroll position of the viewport. */
|
|
DragRef.prototype._getViewportScrollPosition = function () {
|
|
var cachedPosition = this._parentPositions.positions.get(this._document);
|
|
return cachedPosition ? cachedPosition.scrollPosition :
|
|
this._viewportRuler.getViewportScrollPosition();
|
|
};
|
|
/**
|
|
* Lazily resolves and returns the shadow root of the element. We do this in a function, rather
|
|
* than saving it in property directly on init, because we want to resolve it as late as possible
|
|
* in order to ensure that the element has been moved into the shadow DOM. Doing it inside the
|
|
* constructor might be too early if the element is inside of something like `ngFor` or `ngIf`.
|
|
*/
|
|
DragRef.prototype._getShadowRoot = function () {
|
|
if (this._cachedShadowRoot === undefined) {
|
|
this._cachedShadowRoot = platform._getShadowRoot(this._rootElement);
|
|
}
|
|
return this._cachedShadowRoot;
|
|
};
|
|
/** Gets the element into which the drag preview should be inserted. */
|
|
DragRef.prototype._getPreviewInsertionPoint = function (initialParent, shadowRoot) {
|
|
var previewContainer = this._previewContainer || 'global';
|
|
if (previewContainer === 'parent') {
|
|
return initialParent;
|
|
}
|
|
if (previewContainer === 'global') {
|
|
var documentRef = this._document;
|
|
// We can't use the body if the user is in fullscreen mode,
|
|
// because the preview will render under the fullscreen element.
|
|
// TODO(crisbeto): dedupe this with the `FullscreenOverlayContainer` eventually.
|
|
return shadowRoot ||
|
|
documentRef.fullscreenElement ||
|
|
documentRef.webkitFullscreenElement ||
|
|
documentRef.mozFullScreenElement ||
|
|
documentRef.msFullscreenElement ||
|
|
documentRef.body;
|
|
}
|
|
return coercion.coerceElement(previewContainer);
|
|
};
|
|
return DragRef;
|
|
}());
|
|
/**
|
|
* Gets a 3d `transform` that can be applied to an element.
|
|
* @param x Desired position of the element along the X axis.
|
|
* @param y Desired position of the element along the Y axis.
|
|
*/
|
|
function getTransform(x, y) {
|
|
// Round the transforms since some browsers will
|
|
// blur the elements for sub-pixel transforms.
|
|
return "translate3d(" + Math.round(x) + "px, " + Math.round(y) + "px, 0)";
|
|
}
|
|
/** Clamps a value between a minimum and a maximum. */
|
|
function clamp$1(value, min, max) {
|
|
return Math.max(min, Math.min(max, value));
|
|
}
|
|
/**
|
|
* Helper to remove a node from the DOM and to do all the necessary null checks.
|
|
* @param node Node to be removed.
|
|
*/
|
|
function removeNode(node) {
|
|
if (node && node.parentNode) {
|
|
node.parentNode.removeChild(node);
|
|
}
|
|
}
|
|
/** Determines whether an event is a touch event. */
|
|
function isTouchEvent(event) {
|
|
// This function is called for every pixel that the user has dragged so we need it to be
|
|
// as fast as possible. Since we only bind mouse events and touch events, we can assume
|
|
// that if the event's name starts with `t`, it's a touch event.
|
|
return event.type[0] === 't';
|
|
}
|
|
/**
|
|
* Gets the root HTML element of an embedded view.
|
|
* If the root is not an HTML element it gets wrapped in one.
|
|
*/
|
|
function getRootNode(viewRef, _document) {
|
|
var rootNodes = viewRef.rootNodes;
|
|
if (rootNodes.length === 1 && rootNodes[0].nodeType === _document.ELEMENT_NODE) {
|
|
return rootNodes[0];
|
|
}
|
|
var wrapper = _document.createElement('div');
|
|
rootNodes.forEach(function (node) { return wrapper.appendChild(node); });
|
|
return wrapper;
|
|
}
|
|
/**
|
|
* Matches the target element's size to the source's size.
|
|
* @param target Element that needs to be resized.
|
|
* @param sourceRect Dimensions of the source element.
|
|
*/
|
|
function matchElementSize(target, sourceRect) {
|
|
target.style.width = sourceRect.width + "px";
|
|
target.style.height = sourceRect.height + "px";
|
|
target.style.transform = getTransform(sourceRect.left, sourceRect.top);
|
|
}
|
|
|
|
/*! *****************************************************************************
|
|
Copyright (c) Microsoft Corporation.
|
|
|
|
Permission to use, copy, modify, and/or distribute this software for any
|
|
purpose with or without fee is hereby granted.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
|
|
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
|
|
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
|
|
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
|
|
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
|
PERFORMANCE OF THIS SOFTWARE.
|
|
***************************************************************************** */
|
|
/* global Reflect, Promise */
|
|
var extendStatics = function (d, b) {
|
|
extendStatics = Object.setPrototypeOf ||
|
|
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
|
|
function (d, b) { for (var p in b)
|
|
if (Object.prototype.hasOwnProperty.call(b, p))
|
|
d[p] = b[p]; };
|
|
return extendStatics(d, b);
|
|
};
|
|
function __extends(d, b) {
|
|
if (typeof b !== "function" && b !== null)
|
|
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
|
|
extendStatics(d, b);
|
|
function __() { this.constructor = d; }
|
|
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
|
|
}
|
|
var __assign = function () {
|
|
__assign = Object.assign || function __assign(t) {
|
|
for (var s, i = 1, n = arguments.length; i < n; i++) {
|
|
s = arguments[i];
|
|
for (var p in s)
|
|
if (Object.prototype.hasOwnProperty.call(s, p))
|
|
t[p] = s[p];
|
|
}
|
|
return t;
|
|
};
|
|
return __assign.apply(this, arguments);
|
|
};
|
|
function __rest(s, e) {
|
|
var t = {};
|
|
for (var p in s)
|
|
if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
|
|
t[p] = s[p];
|
|
if (s != null && typeof Object.getOwnPropertySymbols === "function")
|
|
for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
|
|
if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
|
|
t[p[i]] = s[p[i]];
|
|
}
|
|
return t;
|
|
}
|
|
function __decorate(decorators, target, key, desc) {
|
|
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
|
|
if (typeof Reflect === "object" && typeof Reflect.decorate === "function")
|
|
r = Reflect.decorate(decorators, target, key, desc);
|
|
else
|
|
for (var i = decorators.length - 1; i >= 0; i--)
|
|
if (d = decorators[i])
|
|
r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
|
|
return c > 3 && r && Object.defineProperty(target, key, r), r;
|
|
}
|
|
function __param(paramIndex, decorator) {
|
|
return function (target, key) { decorator(target, key, paramIndex); };
|
|
}
|
|
function __metadata(metadataKey, metadataValue) {
|
|
if (typeof Reflect === "object" && typeof Reflect.metadata === "function")
|
|
return Reflect.metadata(metadataKey, metadataValue);
|
|
}
|
|
function __awaiter(thisArg, _arguments, P, generator) {
|
|
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
|
|
return new (P || (P = Promise))(function (resolve, reject) {
|
|
function fulfilled(value) { try {
|
|
step(generator.next(value));
|
|
}
|
|
catch (e) {
|
|
reject(e);
|
|
} }
|
|
function rejected(value) { try {
|
|
step(generator["throw"](value));
|
|
}
|
|
catch (e) {
|
|
reject(e);
|
|
} }
|
|
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
|
|
step((generator = generator.apply(thisArg, _arguments || [])).next());
|
|
});
|
|
}
|
|
function __generator(thisArg, body) {
|
|
var _ = { label: 0, sent: function () { if (t[0] & 1)
|
|
throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
|
|
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function () { return this; }), g;
|
|
function verb(n) { return function (v) { return step([n, v]); }; }
|
|
function step(op) {
|
|
if (f)
|
|
throw new TypeError("Generator is already executing.");
|
|
while (_)
|
|
try {
|
|
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done)
|
|
return t;
|
|
if (y = 0, t)
|
|
op = [op[0] & 2, t.value];
|
|
switch (op[0]) {
|
|
case 0:
|
|
case 1:
|
|
t = op;
|
|
break;
|
|
case 4:
|
|
_.label++;
|
|
return { value: op[1], done: false };
|
|
case 5:
|
|
_.label++;
|
|
y = op[1];
|
|
op = [0];
|
|
continue;
|
|
case 7:
|
|
op = _.ops.pop();
|
|
_.trys.pop();
|
|
continue;
|
|
default:
|
|
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) {
|
|
_ = 0;
|
|
continue;
|
|
}
|
|
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) {
|
|
_.label = op[1];
|
|
break;
|
|
}
|
|
if (op[0] === 6 && _.label < t[1]) {
|
|
_.label = t[1];
|
|
t = op;
|
|
break;
|
|
}
|
|
if (t && _.label < t[2]) {
|
|
_.label = t[2];
|
|
_.ops.push(op);
|
|
break;
|
|
}
|
|
if (t[2])
|
|
_.ops.pop();
|
|
_.trys.pop();
|
|
continue;
|
|
}
|
|
op = body.call(thisArg, _);
|
|
}
|
|
catch (e) {
|
|
op = [6, e];
|
|
y = 0;
|
|
}
|
|
finally {
|
|
f = t = 0;
|
|
}
|
|
if (op[0] & 5)
|
|
throw op[1];
|
|
return { value: op[0] ? op[1] : void 0, done: true };
|
|
}
|
|
}
|
|
var __createBinding = Object.create ? (function (o, m, k, k2) {
|
|
if (k2 === undefined)
|
|
k2 = k;
|
|
Object.defineProperty(o, k2, { enumerable: true, get: function () { return m[k]; } });
|
|
}) : (function (o, m, k, k2) {
|
|
if (k2 === undefined)
|
|
k2 = k;
|
|
o[k2] = m[k];
|
|
});
|
|
function __exportStar(m, o) {
|
|
for (var p in m)
|
|
if (p !== "default" && !Object.prototype.hasOwnProperty.call(o, p))
|
|
__createBinding(o, m, p);
|
|
}
|
|
function __values(o) {
|
|
var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
|
|
if (m)
|
|
return m.call(o);
|
|
if (o && typeof o.length === "number")
|
|
return {
|
|
next: function () {
|
|
if (o && i >= o.length)
|
|
o = void 0;
|
|
return { value: o && o[i++], done: !o };
|
|
}
|
|
};
|
|
throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
|
|
}
|
|
function __read(o, n) {
|
|
var m = typeof Symbol === "function" && o[Symbol.iterator];
|
|
if (!m)
|
|
return o;
|
|
var i = m.call(o), r, ar = [], e;
|
|
try {
|
|
while ((n === void 0 || n-- > 0) && !(r = i.next()).done)
|
|
ar.push(r.value);
|
|
}
|
|
catch (error) {
|
|
e = { error: error };
|
|
}
|
|
finally {
|
|
try {
|
|
if (r && !r.done && (m = i["return"]))
|
|
m.call(i);
|
|
}
|
|
finally {
|
|
if (e)
|
|
throw e.error;
|
|
}
|
|
}
|
|
return ar;
|
|
}
|
|
/** @deprecated */
|
|
function __spread() {
|
|
for (var ar = [], i = 0; i < arguments.length; i++)
|
|
ar = ar.concat(__read(arguments[i]));
|
|
return ar;
|
|
}
|
|
/** @deprecated */
|
|
function __spreadArrays() {
|
|
for (var s = 0, i = 0, il = arguments.length; i < il; i++)
|
|
s += arguments[i].length;
|
|
for (var r = Array(s), k = 0, i = 0; i < il; i++)
|
|
for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)
|
|
r[k] = a[j];
|
|
return r;
|
|
}
|
|
function __spreadArray(to, from, pack) {
|
|
if (pack || arguments.length === 2)
|
|
for (var i = 0, l = from.length, ar; i < l; i++) {
|
|
if (ar || !(i in from)) {
|
|
if (!ar)
|
|
ar = Array.prototype.slice.call(from, 0, i);
|
|
ar[i] = from[i];
|
|
}
|
|
}
|
|
return to.concat(ar || from);
|
|
}
|
|
function __await(v) {
|
|
return this instanceof __await ? (this.v = v, this) : new __await(v);
|
|
}
|
|
function __asyncGenerator(thisArg, _arguments, generator) {
|
|
if (!Symbol.asyncIterator)
|
|
throw new TypeError("Symbol.asyncIterator is not defined.");
|
|
var g = generator.apply(thisArg, _arguments || []), i, q = [];
|
|
return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i;
|
|
function verb(n) { if (g[n])
|
|
i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }
|
|
function resume(n, v) { try {
|
|
step(g[n](v));
|
|
}
|
|
catch (e) {
|
|
settle(q[0][3], e);
|
|
} }
|
|
function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }
|
|
function fulfill(value) { resume("next", value); }
|
|
function reject(value) { resume("throw", value); }
|
|
function settle(f, v) { if (f(v), q.shift(), q.length)
|
|
resume(q[0][0], q[0][1]); }
|
|
}
|
|
function __asyncDelegator(o) {
|
|
var i, p;
|
|
return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
|
|
function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : f ? f(v) : v; } : f; }
|
|
}
|
|
function __asyncValues(o) {
|
|
if (!Symbol.asyncIterator)
|
|
throw new TypeError("Symbol.asyncIterator is not defined.");
|
|
var m = o[Symbol.asyncIterator], i;
|
|
return m ? m.call(o) : (o = typeof __values === "function" ? __values(o) : o[Symbol.iterator](), i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i);
|
|
function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }
|
|
function settle(resolve, reject, d, v) { Promise.resolve(v).then(function (v) { resolve({ value: v, done: d }); }, reject); }
|
|
}
|
|
function __makeTemplateObject(cooked, raw) {
|
|
if (Object.defineProperty) {
|
|
Object.defineProperty(cooked, "raw", { value: raw });
|
|
}
|
|
else {
|
|
cooked.raw = raw;
|
|
}
|
|
return cooked;
|
|
}
|
|
;
|
|
var __setModuleDefault = Object.create ? (function (o, v) {
|
|
Object.defineProperty(o, "default", { enumerable: true, value: v });
|
|
}) : function (o, v) {
|
|
o["default"] = v;
|
|
};
|
|
function __importStar(mod) {
|
|
if (mod && mod.__esModule)
|
|
return mod;
|
|
var result = {};
|
|
if (mod != null)
|
|
for (var k in mod)
|
|
if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k))
|
|
__createBinding(result, mod, k);
|
|
__setModuleDefault(result, mod);
|
|
return result;
|
|
}
|
|
function __importDefault(mod) {
|
|
return (mod && mod.__esModule) ? mod : { default: mod };
|
|
}
|
|
function __classPrivateFieldGet(receiver, state, kind, f) {
|
|
if (kind === "a" && !f)
|
|
throw new TypeError("Private accessor was defined without a getter");
|
|
if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver))
|
|
throw new TypeError("Cannot read private member from an object whose class did not declare it");
|
|
return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver);
|
|
}
|
|
function __classPrivateFieldSet(receiver, state, value, kind, f) {
|
|
if (kind === "m")
|
|
throw new TypeError("Private method is not writable");
|
|
if (kind === "a" && !f)
|
|
throw new TypeError("Private accessor was defined without a setter");
|
|
if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver))
|
|
throw new TypeError("Cannot write private member to an object whose class did not declare it");
|
|
return (kind === "a" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;
|
|
}
|
|
|
|
/**
|
|
* @license
|
|
* Copyright Google LLC All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
|
|
*/
|
|
/**
|
|
* Moves an item one index in an array to another.
|
|
* @param array Array in which to move the item.
|
|
* @param fromIndex Starting index of the item.
|
|
* @param toIndex Index to which the item should be moved.
|
|
*/
|
|
function moveItemInArray(array, fromIndex, toIndex) {
|
|
var from = clamp(fromIndex, array.length - 1);
|
|
var to = clamp(toIndex, array.length - 1);
|
|
if (from === to) {
|
|
return;
|
|
}
|
|
var target = array[from];
|
|
var delta = to < from ? -1 : 1;
|
|
for (var i = from; i !== to; i += delta) {
|
|
array[i] = array[i + delta];
|
|
}
|
|
array[to] = target;
|
|
}
|
|
/**
|
|
* Moves an item from one array to another.
|
|
* @param currentArray Array from which to transfer the item.
|
|
* @param targetArray Array into which to put the item.
|
|
* @param currentIndex Index of the item in its current array.
|
|
* @param targetIndex Index at which to insert the item.
|
|
*/
|
|
function transferArrayItem(currentArray, targetArray, currentIndex, targetIndex) {
|
|
var from = clamp(currentIndex, currentArray.length - 1);
|
|
var to = clamp(targetIndex, targetArray.length);
|
|
if (currentArray.length) {
|
|
targetArray.splice(to, 0, currentArray.splice(from, 1)[0]);
|
|
}
|
|
}
|
|
/**
|
|
* Copies an item from one array to another, leaving it in its
|
|
* original position in current array.
|
|
* @param currentArray Array from which to copy the item.
|
|
* @param targetArray Array into which is copy the item.
|
|
* @param currentIndex Index of the item in its current array.
|
|
* @param targetIndex Index at which to insert the item.
|
|
*
|
|
*/
|
|
function copyArrayItem(currentArray, targetArray, currentIndex, targetIndex) {
|
|
var to = clamp(targetIndex, targetArray.length);
|
|
if (currentArray.length) {
|
|
targetArray.splice(to, 0, currentArray[currentIndex]);
|
|
}
|
|
}
|
|
/** Clamps a number between zero and a maximum. */
|
|
function clamp(value, max) {
|
|
return Math.max(0, Math.min(max, value));
|
|
}
|
|
|
|
/**
|
|
* Proximity, as a ratio to width/height, at which a
|
|
* dragged item will affect the drop container.
|
|
*/
|
|
var DROP_PROXIMITY_THRESHOLD = 0.05;
|
|
/**
|
|
* Proximity, as a ratio to width/height at which to start auto-scrolling the drop list or the
|
|
* viewport. The value comes from trying it out manually until it feels right.
|
|
*/
|
|
var SCROLL_PROXIMITY_THRESHOLD = 0.05;
|
|
/**
|
|
* Reference to a drop list. Used to manipulate or dispose of the container.
|
|
*/
|
|
var DropListRef = /** @class */ (function () {
|
|
function DropListRef(element, _dragDropRegistry, _document, _ngZone, _viewportRuler) {
|
|
var _this = this;
|
|
this._dragDropRegistry = _dragDropRegistry;
|
|
this._ngZone = _ngZone;
|
|
this._viewportRuler = _viewportRuler;
|
|
/** Whether starting a dragging sequence from this container is disabled. */
|
|
this.disabled = false;
|
|
/** Whether sorting items within the list is disabled. */
|
|
this.sortingDisabled = false;
|
|
/**
|
|
* Whether auto-scrolling the view when the user
|
|
* moves their pointer close to the edges is disabled.
|
|
*/
|
|
this.autoScrollDisabled = false;
|
|
/** Number of pixels to scroll for each frame when auto-scrolling an element. */
|
|
this.autoScrollStep = 2;
|
|
/**
|
|
* Function that is used to determine whether an item
|
|
* is allowed to be moved into a drop container.
|
|
*/
|
|
this.enterPredicate = function () { return true; };
|
|
/** Functions that is used to determine whether an item can be sorted into a particular index. */
|
|
this.sortPredicate = function () { return true; };
|
|
/** Emits right before dragging has started. */
|
|
this.beforeStarted = new rxjs.Subject();
|
|
/**
|
|
* Emits when the user has moved a new drag item into this container.
|
|
*/
|
|
this.entered = new rxjs.Subject();
|
|
/**
|
|
* Emits when the user removes an item from the container
|
|
* by dragging it into another container.
|
|
*/
|
|
this.exited = new rxjs.Subject();
|
|
/** Emits when the user drops an item inside the container. */
|
|
this.dropped = new rxjs.Subject();
|
|
/** Emits as the user is swapping items while actively dragging. */
|
|
this.sorted = new rxjs.Subject();
|
|
/** Whether an item in the list is being dragged. */
|
|
this._isDragging = false;
|
|
/** Cache of the dimensions of all the items inside the container. */
|
|
this._itemPositions = [];
|
|
/**
|
|
* Keeps track of the item that was last swapped with the dragged item, as well as what direction
|
|
* the pointer was moving in when the swap occured and whether the user's pointer continued to
|
|
* overlap with the swapped item after the swapping occurred.
|
|
*/
|
|
this._previousSwap = { drag: null, delta: 0, overlaps: false };
|
|
/** Draggable items in the container. */
|
|
this._draggables = [];
|
|
/** Drop lists that are connected to the current one. */
|
|
this._siblings = [];
|
|
/** Direction in which the list is oriented. */
|
|
this._orientation = 'vertical';
|
|
/** Connected siblings that currently have a dragged item. */
|
|
this._activeSiblings = new Set();
|
|
/** Layout direction of the drop list. */
|
|
this._direction = 'ltr';
|
|
/** Subscription to the window being scrolled. */
|
|
this._viewportScrollSubscription = rxjs.Subscription.EMPTY;
|
|
/** Vertical direction in which the list is currently scrolling. */
|
|
this._verticalScrollDirection = 0 /* NONE */;
|
|
/** Horizontal direction in which the list is currently scrolling. */
|
|
this._horizontalScrollDirection = 0 /* NONE */;
|
|
/** Used to signal to the current auto-scroll sequence when to stop. */
|
|
this._stopScrollTimers = new rxjs.Subject();
|
|
/** Shadow root of the current element. Necessary for `elementFromPoint` to resolve correctly. */
|
|
this._cachedShadowRoot = null;
|
|
/** Starts the interval that'll auto-scroll the element. */
|
|
this._startScrollInterval = function () {
|
|
_this._stopScrolling();
|
|
rxjs.interval(0, rxjs.animationFrameScheduler)
|
|
.pipe(operators.takeUntil(_this._stopScrollTimers))
|
|
.subscribe(function () {
|
|
var node = _this._scrollNode;
|
|
var scrollStep = _this.autoScrollStep;
|
|
if (_this._verticalScrollDirection === 1 /* UP */) {
|
|
incrementVerticalScroll(node, -scrollStep);
|
|
}
|
|
else if (_this._verticalScrollDirection === 2 /* DOWN */) {
|
|
incrementVerticalScroll(node, scrollStep);
|
|
}
|
|
if (_this._horizontalScrollDirection === 1 /* LEFT */) {
|
|
incrementHorizontalScroll(node, -scrollStep);
|
|
}
|
|
else if (_this._horizontalScrollDirection === 2 /* RIGHT */) {
|
|
incrementHorizontalScroll(node, scrollStep);
|
|
}
|
|
});
|
|
};
|
|
this.element = coercion.coerceElement(element);
|
|
this._document = _document;
|
|
this.withScrollableParents([this.element]);
|
|
_dragDropRegistry.registerDropContainer(this);
|
|
this._parentPositions = new ParentPositionTracker(_document, _viewportRuler);
|
|
}
|
|
/** Removes the drop list functionality from the DOM element. */
|
|
DropListRef.prototype.dispose = function () {
|
|
this._stopScrolling();
|
|
this._stopScrollTimers.complete();
|
|
this._viewportScrollSubscription.unsubscribe();
|
|
this.beforeStarted.complete();
|
|
this.entered.complete();
|
|
this.exited.complete();
|
|
this.dropped.complete();
|
|
this.sorted.complete();
|
|
this._activeSiblings.clear();
|
|
this._scrollNode = null;
|
|
this._parentPositions.clear();
|
|
this._dragDropRegistry.removeDropContainer(this);
|
|
};
|
|
/** Whether an item from this list is currently being dragged. */
|
|
DropListRef.prototype.isDragging = function () {
|
|
return this._isDragging;
|
|
};
|
|
/** Starts dragging an item. */
|
|
DropListRef.prototype.start = function () {
|
|
this._draggingStarted();
|
|
this._notifyReceivingSiblings();
|
|
};
|
|
/**
|
|
* Emits an event to indicate that the user moved an item into the container.
|
|
* @param item Item that was moved into the container.
|
|
* @param pointerX Position of the item along the X axis.
|
|
* @param pointerY Position of the item along the Y axis.
|
|
* @param index Index at which the item entered. If omitted, the container will try to figure it
|
|
* out automatically.
|
|
*/
|
|
DropListRef.prototype.enter = function (item, pointerX, pointerY, index) {
|
|
this._draggingStarted();
|
|
// If sorting is disabled, we want the item to return to its starting
|
|
// position if the user is returning it to its initial container.
|
|
var newIndex;
|
|
if (index == null) {
|
|
newIndex = this.sortingDisabled ? this._draggables.indexOf(item) : -1;
|
|
if (newIndex === -1) {
|
|
// We use the coordinates of where the item entered the drop
|
|
// zone to figure out at which index it should be inserted.
|
|
newIndex = this._getItemIndexFromPointerPosition(item, pointerX, pointerY);
|
|
}
|
|
}
|
|
else {
|
|
newIndex = index;
|
|
}
|
|
var activeDraggables = this._activeDraggables;
|
|
var currentIndex = activeDraggables.indexOf(item);
|
|
var placeholder = item.getPlaceholderElement();
|
|
var newPositionReference = activeDraggables[newIndex];
|
|
// If the item at the new position is the same as the item that is being dragged,
|
|
// it means that we're trying to restore the item to its initial position. In this
|
|
// case we should use the next item from the list as the reference.
|
|
if (newPositionReference === item) {
|
|
newPositionReference = activeDraggables[newIndex + 1];
|
|
}
|
|
// Since the item may be in the `activeDraggables` already (e.g. if the user dragged it
|
|
// into another container and back again), we have to ensure that it isn't duplicated.
|
|
if (currentIndex > -1) {
|
|
activeDraggables.splice(currentIndex, 1);
|
|
}
|
|
// Don't use items that are being dragged as a reference, because
|
|
// their element has been moved down to the bottom of the body.
|
|
if (newPositionReference && !this._dragDropRegistry.isDragging(newPositionReference)) {
|
|
var element = newPositionReference.getRootElement();
|
|
element.parentElement.insertBefore(placeholder, element);
|
|
activeDraggables.splice(newIndex, 0, item);
|
|
}
|
|
else if (this._shouldEnterAsFirstChild(pointerX, pointerY)) {
|
|
var reference = activeDraggables[0].getRootElement();
|
|
reference.parentNode.insertBefore(placeholder, reference);
|
|
activeDraggables.unshift(item);
|
|
}
|
|
else {
|
|
coercion.coerceElement(this.element).appendChild(placeholder);
|
|
activeDraggables.push(item);
|
|
}
|
|
// The transform needs to be cleared so it doesn't throw off the measurements.
|
|
placeholder.style.transform = '';
|
|
// Note that the positions were already cached when we called `start` above,
|
|
// but we need to refresh them since the amount of items has changed and also parent rects.
|
|
this._cacheItemPositions();
|
|
this._cacheParentPositions();
|
|
// Notify siblings at the end so that the item has been inserted into the `activeDraggables`.
|
|
this._notifyReceivingSiblings();
|
|
this.entered.next({ item: item, container: this, currentIndex: this.getItemIndex(item) });
|
|
};
|
|
/**
|
|
* Removes an item from the container after it was dragged into another container by the user.
|
|
* @param item Item that was dragged out.
|
|
*/
|
|
DropListRef.prototype.exit = function (item) {
|
|
this._reset();
|
|
this.exited.next({ item: item, container: this });
|
|
};
|
|
/**
|
|
* Drops an item into this container.
|
|
* @param item Item being dropped into the container.
|
|
* @param currentIndex Index at which the item should be inserted.
|
|
* @param previousIndex Index of the item when dragging started.
|
|
* @param previousContainer Container from which the item got dragged in.
|
|
* @param isPointerOverContainer Whether the user's pointer was over the
|
|
* container when the item was dropped.
|
|
* @param distance Distance the user has dragged since the start of the dragging sequence.
|
|
*/
|
|
DropListRef.prototype.drop = function (item, currentIndex, previousIndex, previousContainer, isPointerOverContainer, distance, dropPoint) {
|
|
this._reset();
|
|
this.dropped.next({
|
|
item: item,
|
|
currentIndex: currentIndex,
|
|
previousIndex: previousIndex,
|
|
container: this,
|
|
previousContainer: previousContainer,
|
|
isPointerOverContainer: isPointerOverContainer,
|
|
distance: distance,
|
|
dropPoint: dropPoint
|
|
});
|
|
};
|
|
/**
|
|
* Sets the draggable items that are a part of this list.
|
|
* @param items Items that are a part of this list.
|
|
*/
|
|
DropListRef.prototype.withItems = function (items) {
|
|
var _this = this;
|
|
var previousItems = this._draggables;
|
|
this._draggables = items;
|
|
items.forEach(function (item) { return item._withDropContainer(_this); });
|
|
if (this.isDragging()) {
|
|
var draggedItems = previousItems.filter(function (item) { return item.isDragging(); });
|
|
// If all of the items being dragged were removed
|
|
// from the list, abort the current drag sequence.
|
|
if (draggedItems.every(function (item) { return items.indexOf(item) === -1; })) {
|
|
this._reset();
|
|
}
|
|
else {
|
|
this._cacheItems();
|
|
}
|
|
}
|
|
return this;
|
|
};
|
|
/** Sets the layout direction of the drop list. */
|
|
DropListRef.prototype.withDirection = function (direction) {
|
|
this._direction = direction;
|
|
return this;
|
|
};
|
|
/**
|
|
* Sets the containers that are connected to this one. When two or more containers are
|
|
* connected, the user will be allowed to transfer items between them.
|
|
* @param connectedTo Other containers that the current containers should be connected to.
|
|
*/
|
|
DropListRef.prototype.connectedTo = function (connectedTo) {
|
|
this._siblings = connectedTo.slice();
|
|
return this;
|
|
};
|
|
/**
|
|
* Sets the orientation of the container.
|
|
* @param orientation New orientation for the container.
|
|
*/
|
|
DropListRef.prototype.withOrientation = function (orientation) {
|
|
this._orientation = orientation;
|
|
return this;
|
|
};
|
|
/**
|
|
* Sets which parent elements are can be scrolled while the user is dragging.
|
|
* @param elements Elements that can be scrolled.
|
|
*/
|
|
DropListRef.prototype.withScrollableParents = function (elements) {
|
|
var element = coercion.coerceElement(this.element);
|
|
// We always allow the current element to be scrollable
|
|
// so we need to ensure that it's in the array.
|
|
this._scrollableElements =
|
|
elements.indexOf(element) === -1 ? __spreadArray([element], __read(elements)) : elements.slice();
|
|
return this;
|
|
};
|
|
/** Gets the scrollable parents that are registered with this drop container. */
|
|
DropListRef.prototype.getScrollableParents = function () {
|
|
return this._scrollableElements;
|
|
};
|
|
/**
|
|
* Figures out the index of an item in the container.
|
|
* @param item Item whose index should be determined.
|
|
*/
|
|
DropListRef.prototype.getItemIndex = function (item) {
|
|
if (!this._isDragging) {
|
|
return this._draggables.indexOf(item);
|
|
}
|
|
// Items are sorted always by top/left in the cache, however they flow differently in RTL.
|
|
// The rest of the logic still stands no matter what orientation we're in, however
|
|
// we need to invert the array when determining the index.
|
|
var items = this._orientation === 'horizontal' && this._direction === 'rtl' ?
|
|
this._itemPositions.slice().reverse() : this._itemPositions;
|
|
return findIndex(items, function (currentItem) { return currentItem.drag === item; });
|
|
};
|
|
/**
|
|
* Whether the list is able to receive the item that
|
|
* is currently being dragged inside a connected drop list.
|
|
*/
|
|
DropListRef.prototype.isReceiving = function () {
|
|
return this._activeSiblings.size > 0;
|
|
};
|
|
/**
|
|
* Sorts an item inside the container based on its position.
|
|
* @param item Item to be sorted.
|
|
* @param pointerX Position of the item along the X axis.
|
|
* @param pointerY Position of the item along the Y axis.
|
|
* @param pointerDelta Direction in which the pointer is moving along each axis.
|
|
*/
|
|
DropListRef.prototype._sortItem = function (item, pointerX, pointerY, pointerDelta) {
|
|
// Don't sort the item if sorting is disabled or it's out of range.
|
|
if (this.sortingDisabled || !this._clientRect ||
|
|
!isPointerNearClientRect(this._clientRect, DROP_PROXIMITY_THRESHOLD, pointerX, pointerY)) {
|
|
return;
|
|
}
|
|
var siblings = this._itemPositions;
|
|
var newIndex = this._getItemIndexFromPointerPosition(item, pointerX, pointerY, pointerDelta);
|
|
if (newIndex === -1 && siblings.length > 0) {
|
|
return;
|
|
}
|
|
var isHorizontal = this._orientation === 'horizontal';
|
|
var currentIndex = findIndex(siblings, function (currentItem) { return currentItem.drag === item; });
|
|
var siblingAtNewPosition = siblings[newIndex];
|
|
var currentPosition = siblings[currentIndex].clientRect;
|
|
var newPosition = siblingAtNewPosition.clientRect;
|
|
var delta = currentIndex > newIndex ? 1 : -1;
|
|
// How many pixels the item's placeholder should be offset.
|
|
var itemOffset = this._getItemOffsetPx(currentPosition, newPosition, delta);
|
|
// How many pixels all the other items should be offset.
|
|
var siblingOffset = this._getSiblingOffsetPx(currentIndex, siblings, delta);
|
|
// Save the previous order of the items before moving the item to its new index.
|
|
// We use this to check whether an item has been moved as a result of the sorting.
|
|
var oldOrder = siblings.slice();
|
|
// Shuffle the array in place.
|
|
moveItemInArray(siblings, currentIndex, newIndex);
|
|
this.sorted.next({
|
|
previousIndex: currentIndex,
|
|
currentIndex: newIndex,
|
|
container: this,
|
|
item: item
|
|
});
|
|
siblings.forEach(function (sibling, index) {
|
|
// Don't do anything if the position hasn't changed.
|
|
if (oldOrder[index] === sibling) {
|
|
return;
|
|
}
|
|
var isDraggedItem = sibling.drag === item;
|
|
var offset = isDraggedItem ? itemOffset : siblingOffset;
|
|
var elementToOffset = isDraggedItem ? item.getPlaceholderElement() :
|
|
sibling.drag.getRootElement();
|
|
// Update the offset to reflect the new position.
|
|
sibling.offset += offset;
|
|
// Since we're moving the items with a `transform`, we need to adjust their cached
|
|
// client rects to reflect their new position, as well as swap their positions in the cache.
|
|
// Note that we shouldn't use `getBoundingClientRect` here to update the cache, because the
|
|
// elements may be mid-animation which will give us a wrong result.
|
|
if (isHorizontal) {
|
|
// Round the transforms since some browsers will
|
|
// blur the elements, for sub-pixel transforms.
|
|
elementToOffset.style.transform = combineTransforms("translate3d(" + Math.round(sibling.offset) + "px, 0, 0)", sibling.initialTransform);
|
|
adjustClientRect(sibling.clientRect, 0, offset);
|
|
}
|
|
else {
|
|
elementToOffset.style.transform = combineTransforms("translate3d(0, " + Math.round(sibling.offset) + "px, 0)", sibling.initialTransform);
|
|
adjustClientRect(sibling.clientRect, offset, 0);
|
|
}
|
|
});
|
|
// Note that it's important that we do this after the client rects have been adjusted.
|
|
this._previousSwap.overlaps = isInsideClientRect(newPosition, pointerX, pointerY);
|
|
this._previousSwap.drag = siblingAtNewPosition.drag;
|
|
this._previousSwap.delta = isHorizontal ? pointerDelta.x : pointerDelta.y;
|
|
};
|
|
/**
|
|
* Checks whether the user's pointer is close to the edges of either the
|
|
* viewport or the drop list and starts the auto-scroll sequence.
|
|
* @param pointerX User's pointer position along the x axis.
|
|
* @param pointerY User's pointer position along the y axis.
|
|
*/
|
|
DropListRef.prototype._startScrollingIfNecessary = function (pointerX, pointerY) {
|
|
var _this = this;
|
|
if (this.autoScrollDisabled) {
|
|
return;
|
|
}
|
|
var scrollNode;
|
|
var verticalScrollDirection = 0 /* NONE */;
|
|
var horizontalScrollDirection = 0 /* NONE */;
|
|
// Check whether we should start scrolling any of the parent containers.
|
|
this._parentPositions.positions.forEach(function (position, element) {
|
|
var _b;
|
|
// We have special handling for the `document` below. Also this would be
|
|
// nicer with a for...of loop, but it requires changing a compiler flag.
|
|
if (element === _this._document || !position.clientRect || scrollNode) {
|
|
return;
|
|
}
|
|
if (isPointerNearClientRect(position.clientRect, DROP_PROXIMITY_THRESHOLD, pointerX, pointerY)) {
|
|
_b = __read(getElementScrollDirections(element, position.clientRect, pointerX, pointerY), 2), verticalScrollDirection = _b[0], horizontalScrollDirection = _b[1];
|
|
if (verticalScrollDirection || horizontalScrollDirection) {
|
|
scrollNode = element;
|
|
}
|
|
}
|
|
});
|
|
// Otherwise check if we can start scrolling the viewport.
|
|
if (!verticalScrollDirection && !horizontalScrollDirection) {
|
|
var _b = this._viewportRuler.getViewportSize(), width = _b.width, height = _b.height;
|
|
var clientRect = { width: width, height: height, top: 0, right: width, bottom: height, left: 0 };
|
|
verticalScrollDirection = getVerticalScrollDirection(clientRect, pointerY);
|
|
horizontalScrollDirection = getHorizontalScrollDirection(clientRect, pointerX);
|
|
scrollNode = window;
|
|
}
|
|
if (scrollNode && (verticalScrollDirection !== this._verticalScrollDirection ||
|
|
horizontalScrollDirection !== this._horizontalScrollDirection ||
|
|
scrollNode !== this._scrollNode)) {
|
|
this._verticalScrollDirection = verticalScrollDirection;
|
|
this._horizontalScrollDirection = horizontalScrollDirection;
|
|
this._scrollNode = scrollNode;
|
|
if ((verticalScrollDirection || horizontalScrollDirection) && scrollNode) {
|
|
this._ngZone.runOutsideAngular(this._startScrollInterval);
|
|
}
|
|
else {
|
|
this._stopScrolling();
|
|
}
|
|
}
|
|
};
|
|
/** Stops any currently-running auto-scroll sequences. */
|
|
DropListRef.prototype._stopScrolling = function () {
|
|
this._stopScrollTimers.next();
|
|
};
|
|
/** Starts the dragging sequence within the list. */
|
|
DropListRef.prototype._draggingStarted = function () {
|
|
var styles = coercion.coerceElement(this.element).style;
|
|
this.beforeStarted.next();
|
|
this._isDragging = true;
|
|
// We need to disable scroll snapping while the user is dragging, because it breaks automatic
|
|
// scrolling. The browser seems to round the value based on the snapping points which means
|
|
// that we can't increment/decrement the scroll position.
|
|
this._initialScrollSnap = styles.msScrollSnapType || styles.scrollSnapType || '';
|
|
styles.scrollSnapType = styles.msScrollSnapType = 'none';
|
|
this._cacheItems();
|
|
this._viewportScrollSubscription.unsubscribe();
|
|
this._listenToScrollEvents();
|
|
};
|
|
/** Caches the positions of the configured scrollable parents. */
|
|
DropListRef.prototype._cacheParentPositions = function () {
|
|
var element = coercion.coerceElement(this.element);
|
|
this._parentPositions.cache(this._scrollableElements);
|
|
// The list element is always in the `scrollableElements`
|
|
// so we can take advantage of the cached `ClientRect`.
|
|
this._clientRect = this._parentPositions.positions.get(element).clientRect;
|
|
};
|
|
/** Refreshes the position cache of the items and sibling containers. */
|
|
DropListRef.prototype._cacheItemPositions = function () {
|
|
var isHorizontal = this._orientation === 'horizontal';
|
|
this._itemPositions = this._activeDraggables.map(function (drag) {
|
|
var elementToMeasure = drag.getVisibleElement();
|
|
return {
|
|
drag: drag,
|
|
offset: 0,
|
|
initialTransform: elementToMeasure.style.transform || '',
|
|
clientRect: getMutableClientRect(elementToMeasure),
|
|
};
|
|
}).sort(function (a, b) {
|
|
return isHorizontal ? a.clientRect.left - b.clientRect.left :
|
|
a.clientRect.top - b.clientRect.top;
|
|
});
|
|
};
|
|
/** Resets the container to its initial state. */
|
|
DropListRef.prototype._reset = function () {
|
|
var _this = this;
|
|
this._isDragging = false;
|
|
var styles = coercion.coerceElement(this.element).style;
|
|
styles.scrollSnapType = styles.msScrollSnapType = this._initialScrollSnap;
|
|
// TODO(crisbeto): may have to wait for the animations to finish.
|
|
this._activeDraggables.forEach(function (item) {
|
|
var _a;
|
|
var rootElement = item.getRootElement();
|
|
if (rootElement) {
|
|
var initialTransform = (_a = _this._itemPositions
|
|
.find(function (current) { return current.drag === item; })) === null || _a === void 0 ? void 0 : _a.initialTransform;
|
|
rootElement.style.transform = initialTransform || '';
|
|
}
|
|
});
|
|
this._siblings.forEach(function (sibling) { return sibling._stopReceiving(_this); });
|
|
this._activeDraggables = [];
|
|
this._itemPositions = [];
|
|
this._previousSwap.drag = null;
|
|
this._previousSwap.delta = 0;
|
|
this._previousSwap.overlaps = false;
|
|
this._stopScrolling();
|
|
this._viewportScrollSubscription.unsubscribe();
|
|
this._parentPositions.clear();
|
|
};
|
|
/**
|
|
* Gets the offset in pixels by which the items that aren't being dragged should be moved.
|
|
* @param currentIndex Index of the item currently being dragged.
|
|
* @param siblings All of the items in the list.
|
|
* @param delta Direction in which the user is moving.
|
|
*/
|
|
DropListRef.prototype._getSiblingOffsetPx = function (currentIndex, siblings, delta) {
|
|
var isHorizontal = this._orientation === 'horizontal';
|
|
var currentPosition = siblings[currentIndex].clientRect;
|
|
var immediateSibling = siblings[currentIndex + delta * -1];
|
|
var siblingOffset = currentPosition[isHorizontal ? 'width' : 'height'] * delta;
|
|
if (immediateSibling) {
|
|
var start = isHorizontal ? 'left' : 'top';
|
|
var end = isHorizontal ? 'right' : 'bottom';
|
|
// Get the spacing between the start of the current item and the end of the one immediately
|
|
// after it in the direction in which the user is dragging, or vice versa. We add it to the
|
|
// offset in order to push the element to where it will be when it's inline and is influenced
|
|
// by the `margin` of its siblings.
|
|
if (delta === -1) {
|
|
siblingOffset -= immediateSibling.clientRect[start] - currentPosition[end];
|
|
}
|
|
else {
|
|
siblingOffset += currentPosition[start] - immediateSibling.clientRect[end];
|
|
}
|
|
}
|
|
return siblingOffset;
|
|
};
|
|
/**
|
|
* Gets the offset in pixels by which the item that is being dragged should be moved.
|
|
* @param currentPosition Current position of the item.
|
|
* @param newPosition Position of the item where the current item should be moved.
|
|
* @param delta Direction in which the user is moving.
|
|
*/
|
|
DropListRef.prototype._getItemOffsetPx = function (currentPosition, newPosition, delta) {
|
|
var isHorizontal = this._orientation === 'horizontal';
|
|
var itemOffset = isHorizontal ? newPosition.left - currentPosition.left :
|
|
newPosition.top - currentPosition.top;
|
|
// Account for differences in the item width/height.
|
|
if (delta === -1) {
|
|
itemOffset += isHorizontal ? newPosition.width - currentPosition.width :
|
|
newPosition.height - currentPosition.height;
|
|
}
|
|
return itemOffset;
|
|
};
|
|
/**
|
|
* Checks if pointer is entering in the first position
|
|
* @param pointerX Position of the user's pointer along the X axis.
|
|
* @param pointerY Position of the user's pointer along the Y axis.
|
|
*/
|
|
DropListRef.prototype._shouldEnterAsFirstChild = function (pointerX, pointerY) {
|
|
if (!this._activeDraggables.length) {
|
|
return false;
|
|
}
|
|
var itemPositions = this._itemPositions;
|
|
var isHorizontal = this._orientation === 'horizontal';
|
|
// `itemPositions` are sorted by position while `activeDraggables` are sorted by child index
|
|
// check if container is using some sort of "reverse" ordering (eg: flex-direction: row-reverse)
|
|
var reversed = itemPositions[0].drag !== this._activeDraggables[0];
|
|
if (reversed) {
|
|
var lastItemRect = itemPositions[itemPositions.length - 1].clientRect;
|
|
return isHorizontal ? pointerX >= lastItemRect.right : pointerY >= lastItemRect.bottom;
|
|
}
|
|
else {
|
|
var firstItemRect = itemPositions[0].clientRect;
|
|
return isHorizontal ? pointerX <= firstItemRect.left : pointerY <= firstItemRect.top;
|
|
}
|
|
};
|
|
/**
|
|
* Gets the index of an item in the drop container, based on the position of the user's pointer.
|
|
* @param item Item that is being sorted.
|
|
* @param pointerX Position of the user's pointer along the X axis.
|
|
* @param pointerY Position of the user's pointer along the Y axis.
|
|
* @param delta Direction in which the user is moving their pointer.
|
|
*/
|
|
DropListRef.prototype._getItemIndexFromPointerPosition = function (item, pointerX, pointerY, delta) {
|
|
var _this = this;
|
|
var isHorizontal = this._orientation === 'horizontal';
|
|
var index = findIndex(this._itemPositions, function (_b, _, array) {
|
|
var drag = _b.drag, clientRect = _b.clientRect;
|
|
if (drag === item) {
|
|
// If there's only one item left in the container, it must be
|
|
// the dragged item itself so we use it as a reference.
|
|
return array.length < 2;
|
|
}
|
|
if (delta) {
|
|
var direction = isHorizontal ? delta.x : delta.y;
|
|
// If the user is still hovering over the same item as last time, their cursor hasn't left
|
|
// the item after we made the swap, and they didn't change the direction in which they're
|
|
// dragging, we don't consider it a direction swap.
|
|
if (drag === _this._previousSwap.drag && _this._previousSwap.overlaps &&
|
|
direction === _this._previousSwap.delta) {
|
|
return false;
|
|
}
|
|
}
|
|
return isHorizontal ?
|
|
// Round these down since most browsers report client rects with
|
|
// sub-pixel precision, whereas the pointer coordinates are rounded to pixels.
|
|
pointerX >= Math.floor(clientRect.left) && pointerX < Math.floor(clientRect.right) :
|
|
pointerY >= Math.floor(clientRect.top) && pointerY < Math.floor(clientRect.bottom);
|
|
});
|
|
return (index === -1 || !this.sortPredicate(index, item, this)) ? -1 : index;
|
|
};
|
|
/** Caches the current items in the list and their positions. */
|
|
DropListRef.prototype._cacheItems = function () {
|
|
this._activeDraggables = this._draggables.slice();
|
|
this._cacheItemPositions();
|
|
this._cacheParentPositions();
|
|
};
|
|
/**
|
|
* Checks whether the user's pointer is positioned over the container.
|
|
* @param x Pointer position along the X axis.
|
|
* @param y Pointer position along the Y axis.
|
|
*/
|
|
DropListRef.prototype._isOverContainer = function (x, y) {
|
|
return this._clientRect != null && isInsideClientRect(this._clientRect, x, y);
|
|
};
|
|
/**
|
|
* Figures out whether an item should be moved into a sibling
|
|
* drop container, based on its current position.
|
|
* @param item Drag item that is being moved.
|
|
* @param x Position of the item along the X axis.
|
|
* @param y Position of the item along the Y axis.
|
|
*/
|
|
DropListRef.prototype._getSiblingContainerFromPosition = function (item, x, y) {
|
|
return this._siblings.find(function (sibling) { return sibling._canReceive(item, x, y); });
|
|
};
|
|
/**
|
|
* Checks whether the drop list can receive the passed-in item.
|
|
* @param item Item that is being dragged into the list.
|
|
* @param x Position of the item along the X axis.
|
|
* @param y Position of the item along the Y axis.
|
|
*/
|
|
DropListRef.prototype._canReceive = function (item, x, y) {
|
|
if (!this._clientRect || !isInsideClientRect(this._clientRect, x, y) ||
|
|
!this.enterPredicate(item, this)) {
|
|
return false;
|
|
}
|
|
var elementFromPoint = this._getShadowRoot().elementFromPoint(x, y);
|
|
// If there's no element at the pointer position, then
|
|
// the client rect is probably scrolled out of the view.
|
|
if (!elementFromPoint) {
|
|
return false;
|
|
}
|
|
var nativeElement = coercion.coerceElement(this.element);
|
|
// The `ClientRect`, that we're using to find the container over which the user is
|
|
// hovering, doesn't give us any information on whether the element has been scrolled
|
|
// out of the view or whether it's overlapping with other containers. This means that
|
|
// we could end up transferring the item into a container that's invisible or is positioned
|
|
// below another one. We use the result from `elementFromPoint` to get the top-most element
|
|
// at the pointer position and to find whether it's one of the intersecting drop containers.
|
|
return elementFromPoint === nativeElement || nativeElement.contains(elementFromPoint);
|
|
};
|
|
/**
|
|
* Called by one of the connected drop lists when a dragging sequence has started.
|
|
* @param sibling Sibling in which dragging has started.
|
|
*/
|
|
DropListRef.prototype._startReceiving = function (sibling, items) {
|
|
var _this = this;
|
|
var activeSiblings = this._activeSiblings;
|
|
if (!activeSiblings.has(sibling) && items.every(function (item) {
|
|
// Note that we have to add an exception to the `enterPredicate` for items that started off
|
|
// in this drop list. The drag ref has logic that allows an item to return to its initial
|
|
// container, if it has left the initial container and none of the connected containers
|
|
// allow it to enter. See `DragRef._updateActiveDropContainer` for more context.
|
|
return _this.enterPredicate(item, _this) || _this._draggables.indexOf(item) > -1;
|
|
})) {
|
|
activeSiblings.add(sibling);
|
|
this._cacheParentPositions();
|
|
this._listenToScrollEvents();
|
|
}
|
|
};
|
|
/**
|
|
* Called by a connected drop list when dragging has stopped.
|
|
* @param sibling Sibling whose dragging has stopped.
|
|
*/
|
|
DropListRef.prototype._stopReceiving = function (sibling) {
|
|
this._activeSiblings.delete(sibling);
|
|
this._viewportScrollSubscription.unsubscribe();
|
|
};
|
|
/**
|
|
* Starts listening to scroll events on the viewport.
|
|
* Used for updating the internal state of the list.
|
|
*/
|
|
DropListRef.prototype._listenToScrollEvents = function () {
|
|
var _this = this;
|
|
this._viewportScrollSubscription = this._dragDropRegistry
|
|
.scrolled(this._getShadowRoot())
|
|
.subscribe(function (event) {
|
|
if (_this.isDragging()) {
|
|
var scrollDifference_1 = _this._parentPositions.handleScroll(event);
|
|
if (scrollDifference_1) {
|
|
// Since we know the amount that the user has scrolled we can shift all of the
|
|
// client rectangles ourselves. This is cheaper than re-measuring everything and
|
|
// we can avoid inconsistent behavior where we might be measuring the element before
|
|
// its position has changed.
|
|
_this._itemPositions.forEach(function (_b) {
|
|
var clientRect = _b.clientRect;
|
|
adjustClientRect(clientRect, scrollDifference_1.top, scrollDifference_1.left);
|
|
});
|
|
// We need two loops for this, because we want all of the cached
|
|
// positions to be up-to-date before we re-sort the item.
|
|
_this._itemPositions.forEach(function (_b) {
|
|
var drag = _b.drag;
|
|
if (_this._dragDropRegistry.isDragging(drag)) {
|
|
// We need to re-sort the item manually, because the pointer move
|
|
// events won't be dispatched while the user is scrolling.
|
|
drag._sortFromLastPointerPosition();
|
|
}
|
|
});
|
|
}
|
|
}
|
|
else if (_this.isReceiving()) {
|
|
_this._cacheParentPositions();
|
|
}
|
|
});
|
|
};
|
|
/**
|
|
* Lazily resolves and returns the shadow root of the element. We do this in a function, rather
|
|
* than saving it in property directly on init, because we want to resolve it as late as possible
|
|
* in order to ensure that the element has been moved into the shadow DOM. Doing it inside the
|
|
* constructor might be too early if the element is inside of something like `ngFor` or `ngIf`.
|
|
*/
|
|
DropListRef.prototype._getShadowRoot = function () {
|
|
if (!this._cachedShadowRoot) {
|
|
var shadowRoot = platform._getShadowRoot(coercion.coerceElement(this.element));
|
|
this._cachedShadowRoot = shadowRoot || this._document;
|
|
}
|
|
return this._cachedShadowRoot;
|
|
};
|
|
/** Notifies any siblings that may potentially receive the item. */
|
|
DropListRef.prototype._notifyReceivingSiblings = function () {
|
|
var _this = this;
|
|
var draggedItems = this._activeDraggables.filter(function (item) { return item.isDragging(); });
|
|
this._siblings.forEach(function (sibling) { return sibling._startReceiving(_this, draggedItems); });
|
|
};
|
|
return DropListRef;
|
|
}());
|
|
/**
|
|
* Finds the index of an item that matches a predicate function. Used as an equivalent
|
|
* of `Array.prototype.findIndex` which isn't part of the standard Google typings.
|
|
* @param array Array in which to look for matches.
|
|
* @param predicate Function used to determine whether an item is a match.
|
|
*/
|
|
function findIndex(array, predicate) {
|
|
for (var i = 0; i < array.length; i++) {
|
|
if (predicate(array[i], i, array)) {
|
|
return i;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
/**
|
|
* Increments the vertical scroll position of a node.
|
|
* @param node Node whose scroll position should change.
|
|
* @param amount Amount of pixels that the `node` should be scrolled.
|
|
*/
|
|
function incrementVerticalScroll(node, amount) {
|
|
if (node === window) {
|
|
node.scrollBy(0, amount);
|
|
}
|
|
else {
|
|
// Ideally we could use `Element.scrollBy` here as well, but IE and Edge don't support it.
|
|
node.scrollTop += amount;
|
|
}
|
|
}
|
|
/**
|
|
* Increments the horizontal scroll position of a node.
|
|
* @param node Node whose scroll position should change.
|
|
* @param amount Amount of pixels that the `node` should be scrolled.
|
|
*/
|
|
function incrementHorizontalScroll(node, amount) {
|
|
if (node === window) {
|
|
node.scrollBy(amount, 0);
|
|
}
|
|
else {
|
|
// Ideally we could use `Element.scrollBy` here as well, but IE and Edge don't support it.
|
|
node.scrollLeft += amount;
|
|
}
|
|
}
|
|
/**
|
|
* Gets whether the vertical auto-scroll direction of a node.
|
|
* @param clientRect Dimensions of the node.
|
|
* @param pointerY Position of the user's pointer along the y axis.
|
|
*/
|
|
function getVerticalScrollDirection(clientRect, pointerY) {
|
|
var top = clientRect.top, bottom = clientRect.bottom, height = clientRect.height;
|
|
var yThreshold = height * SCROLL_PROXIMITY_THRESHOLD;
|
|
if (pointerY >= top - yThreshold && pointerY <= top + yThreshold) {
|
|
return 1 /* UP */;
|
|
}
|
|
else if (pointerY >= bottom - yThreshold && pointerY <= bottom + yThreshold) {
|
|
return 2 /* DOWN */;
|
|
}
|
|
return 0 /* NONE */;
|
|
}
|
|
/**
|
|
* Gets whether the horizontal auto-scroll direction of a node.
|
|
* @param clientRect Dimensions of the node.
|
|
* @param pointerX Position of the user's pointer along the x axis.
|
|
*/
|
|
function getHorizontalScrollDirection(clientRect, pointerX) {
|
|
var left = clientRect.left, right = clientRect.right, width = clientRect.width;
|
|
var xThreshold = width * SCROLL_PROXIMITY_THRESHOLD;
|
|
if (pointerX >= left - xThreshold && pointerX <= left + xThreshold) {
|
|
return 1 /* LEFT */;
|
|
}
|
|
else if (pointerX >= right - xThreshold && pointerX <= right + xThreshold) {
|
|
return 2 /* RIGHT */;
|
|
}
|
|
return 0 /* NONE */;
|
|
}
|
|
/**
|
|
* Gets the directions in which an element node should be scrolled,
|
|
* assuming that the user's pointer is already within it scrollable region.
|
|
* @param element Element for which we should calculate the scroll direction.
|
|
* @param clientRect Bounding client rectangle of the element.
|
|
* @param pointerX Position of the user's pointer along the x axis.
|
|
* @param pointerY Position of the user's pointer along the y axis.
|
|
*/
|
|
function getElementScrollDirections(element, clientRect, pointerX, pointerY) {
|
|
var computedVertical = getVerticalScrollDirection(clientRect, pointerY);
|
|
var computedHorizontal = getHorizontalScrollDirection(clientRect, pointerX);
|
|
var verticalScrollDirection = 0 /* NONE */;
|
|
var horizontalScrollDirection = 0 /* NONE */;
|
|
// Note that we here we do some extra checks for whether the element is actually scrollable in
|
|
// a certain direction and we only assign the scroll direction if it is. We do this so that we
|
|
// can allow other elements to be scrolled, if the current element can't be scrolled anymore.
|
|
// This allows us to handle cases where the scroll regions of two scrollable elements overlap.
|
|
if (computedVertical) {
|
|
var scrollTop = element.scrollTop;
|
|
if (computedVertical === 1 /* UP */) {
|
|
if (scrollTop > 0) {
|
|
verticalScrollDirection = 1 /* UP */;
|
|
}
|
|
}
|
|
else if (element.scrollHeight - scrollTop > element.clientHeight) {
|
|
verticalScrollDirection = 2 /* DOWN */;
|
|
}
|
|
}
|
|
if (computedHorizontal) {
|
|
var scrollLeft = element.scrollLeft;
|
|
if (computedHorizontal === 1 /* LEFT */) {
|
|
if (scrollLeft > 0) {
|
|
horizontalScrollDirection = 1 /* LEFT */;
|
|
}
|
|
}
|
|
else if (element.scrollWidth - scrollLeft > element.clientWidth) {
|
|
horizontalScrollDirection = 2 /* RIGHT */;
|
|
}
|
|
}
|
|
return [verticalScrollDirection, horizontalScrollDirection];
|
|
}
|
|
|
|
/** Event options that can be used to bind an active, capturing event. */
|
|
var activeCapturingEventOptions = platform.normalizePassiveListenerOptions({
|
|
passive: false,
|
|
capture: true
|
|
});
|
|
/**
|
|
* Service that keeps track of all the drag item and drop container
|
|
* instances, and manages global event listeners on the `document`.
|
|
* @docs-private
|
|
*/
|
|
// Note: this class is generic, rather than referencing CdkDrag and CdkDropList directly, in order
|
|
// to avoid circular imports. If we were to reference them here, importing the registry into the
|
|
// classes that are registering themselves will introduce a circular import.
|
|
var DragDropRegistry = /** @class */ (function () {
|
|
function DragDropRegistry(_ngZone, _document) {
|
|
var _this = this;
|
|
this._ngZone = _ngZone;
|
|
/** Registered drop container instances. */
|
|
this._dropInstances = new Set();
|
|
/** Registered drag item instances. */
|
|
this._dragInstances = new Set();
|
|
/** Drag item instances that are currently being dragged. */
|
|
this._activeDragInstances = [];
|
|
/** Keeps track of the event listeners that we've bound to the `document`. */
|
|
this._globalListeners = new Map();
|
|
/**
|
|
* Predicate function to check if an item is being dragged. Moved out into a property,
|
|
* because it'll be called a lot and we don't want to create a new function every time.
|
|
*/
|
|
this._draggingPredicate = function (item) { return item.isDragging(); };
|
|
/**
|
|
* Emits the `touchmove` or `mousemove` events that are dispatched
|
|
* while the user is dragging a drag item instance.
|
|
*/
|
|
this.pointerMove = new rxjs.Subject();
|
|
/**
|
|
* Emits the `touchend` or `mouseup` events that are dispatched
|
|
* while the user is dragging a drag item instance.
|
|
*/
|
|
this.pointerUp = new rxjs.Subject();
|
|
/**
|
|
* Emits when the viewport has been scrolled while the user is dragging an item.
|
|
* @deprecated To be turned into a private member. Use the `scrolled` method instead.
|
|
* @breaking-change 13.0.0
|
|
*/
|
|
this.scroll = new rxjs.Subject();
|
|
/**
|
|
* Event listener that will prevent the default browser action while the user is dragging.
|
|
* @param event Event whose default action should be prevented.
|
|
*/
|
|
this._preventDefaultWhileDragging = function (event) {
|
|
if (_this._activeDragInstances.length > 0) {
|
|
event.preventDefault();
|
|
}
|
|
};
|
|
/** Event listener for `touchmove` that is bound even if no dragging is happening. */
|
|
this._persistentTouchmoveListener = function (event) {
|
|
if (_this._activeDragInstances.length > 0) {
|
|
// Note that we only want to prevent the default action after dragging has actually started.
|
|
// Usually this is the same time at which the item is added to the `_activeDragInstances`,
|
|
// but it could be pushed back if the user has set up a drag delay or threshold.
|
|
if (_this._activeDragInstances.some(_this._draggingPredicate)) {
|
|
event.preventDefault();
|
|
}
|
|
_this.pointerMove.next(event);
|
|
}
|
|
};
|
|
this._document = _document;
|
|
}
|
|
/** Adds a drop container to the registry. */
|
|
DragDropRegistry.prototype.registerDropContainer = function (drop) {
|
|
if (!this._dropInstances.has(drop)) {
|
|
this._dropInstances.add(drop);
|
|
}
|
|
};
|
|
/** Adds a drag item instance to the registry. */
|
|
DragDropRegistry.prototype.registerDragItem = function (drag) {
|
|
var _this = this;
|
|
this._dragInstances.add(drag);
|
|
// The `touchmove` event gets bound once, ahead of time, because WebKit
|
|
// won't preventDefault on a dynamically-added `touchmove` listener.
|
|
// See https://bugs.webkit.org/show_bug.cgi?id=184250.
|
|
if (this._dragInstances.size === 1) {
|
|
this._ngZone.runOutsideAngular(function () {
|
|
// The event handler has to be explicitly active,
|
|
// because newer browsers make it passive by default.
|
|
_this._document.addEventListener('touchmove', _this._persistentTouchmoveListener, activeCapturingEventOptions);
|
|
});
|
|
}
|
|
};
|
|
/** Removes a drop container from the registry. */
|
|
DragDropRegistry.prototype.removeDropContainer = function (drop) {
|
|
this._dropInstances.delete(drop);
|
|
};
|
|
/** Removes a drag item instance from the registry. */
|
|
DragDropRegistry.prototype.removeDragItem = function (drag) {
|
|
this._dragInstances.delete(drag);
|
|
this.stopDragging(drag);
|
|
if (this._dragInstances.size === 0) {
|
|
this._document.removeEventListener('touchmove', this._persistentTouchmoveListener, activeCapturingEventOptions);
|
|
}
|
|
};
|
|
/**
|
|
* Starts the dragging sequence for a drag instance.
|
|
* @param drag Drag instance which is being dragged.
|
|
* @param event Event that initiated the dragging.
|
|
*/
|
|
DragDropRegistry.prototype.startDragging = function (drag, event) {
|
|
var _this = this;
|
|
// Do not process the same drag twice to avoid memory leaks and redundant listeners
|
|
if (this._activeDragInstances.indexOf(drag) > -1) {
|
|
return;
|
|
}
|
|
this._activeDragInstances.push(drag);
|
|
if (this._activeDragInstances.length === 1) {
|
|
var isTouchEvent = event.type.startsWith('touch');
|
|
// We explicitly bind __active__ listeners here, because newer browsers will default to
|
|
// passive ones for `mousemove` and `touchmove`. The events need to be active, because we
|
|
// use `preventDefault` to prevent the page from scrolling while the user is dragging.
|
|
this._globalListeners
|
|
.set(isTouchEvent ? 'touchend' : 'mouseup', {
|
|
handler: function (e) { return _this.pointerUp.next(e); },
|
|
options: true
|
|
})
|
|
.set('scroll', {
|
|
handler: function (e) { return _this.scroll.next(e); },
|
|
// Use capturing so that we pick up scroll changes in any scrollable nodes that aren't
|
|
// the document. See https://github.com/angular/components/issues/17144.
|
|
options: true
|
|
})
|
|
// Preventing the default action on `mousemove` isn't enough to disable text selection
|
|
// on Safari so we need to prevent the selection event as well. Alternatively this can
|
|
// be done by setting `user-select: none` on the `body`, however it has causes a style
|
|
// recalculation which can be expensive on pages with a lot of elements.
|
|
.set('selectstart', {
|
|
handler: this._preventDefaultWhileDragging,
|
|
options: activeCapturingEventOptions
|
|
});
|
|
// We don't have to bind a move event for touch drag sequences, because
|
|
// we already have a persistent global one bound from `registerDragItem`.
|
|
if (!isTouchEvent) {
|
|
this._globalListeners.set('mousemove', {
|
|
handler: function (e) { return _this.pointerMove.next(e); },
|
|
options: activeCapturingEventOptions
|
|
});
|
|
}
|
|
this._ngZone.runOutsideAngular(function () {
|
|
_this._globalListeners.forEach(function (config, name) {
|
|
_this._document.addEventListener(name, config.handler, config.options);
|
|
});
|
|
});
|
|
}
|
|
};
|
|
/** Stops dragging a drag item instance. */
|
|
DragDropRegistry.prototype.stopDragging = function (drag) {
|
|
var index = this._activeDragInstances.indexOf(drag);
|
|
if (index > -1) {
|
|
this._activeDragInstances.splice(index, 1);
|
|
if (this._activeDragInstances.length === 0) {
|
|
this._clearGlobalListeners();
|
|
}
|
|
}
|
|
};
|
|
/** Gets whether a drag item instance is currently being dragged. */
|
|
DragDropRegistry.prototype.isDragging = function (drag) {
|
|
return this._activeDragInstances.indexOf(drag) > -1;
|
|
};
|
|
/**
|
|
* Gets a stream that will emit when any element on the page is scrolled while an item is being
|
|
* dragged.
|
|
* @param shadowRoot Optional shadow root that the current dragging sequence started from.
|
|
* Top-level listeners won't pick up events coming from the shadow DOM so this parameter can
|
|
* be used to include an additional top-level listener at the shadow root level.
|
|
*/
|
|
DragDropRegistry.prototype.scrolled = function (shadowRoot) {
|
|
var _this = this;
|
|
var streams = [this.scroll];
|
|
if (shadowRoot && shadowRoot !== this._document) {
|
|
// Note that this is basically the same as `fromEvent` from rjxs, but we do it ourselves,
|
|
// because we want to guarantee that the event is bound outside of the `NgZone`. With
|
|
// `fromEvent` it'll only happen if the subscription is outside the `NgZone`.
|
|
streams.push(new rxjs.Observable(function (observer) {
|
|
return _this._ngZone.runOutsideAngular(function () {
|
|
var eventOptions = true;
|
|
var callback = function (event) {
|
|
if (_this._activeDragInstances.length) {
|
|
observer.next(event);
|
|
}
|
|
};
|
|
shadowRoot.addEventListener('scroll', callback, eventOptions);
|
|
return function () {
|
|
shadowRoot.removeEventListener('scroll', callback, eventOptions);
|
|
};
|
|
});
|
|
}));
|
|
}
|
|
return rxjs.merge.apply(void 0, __spreadArray([], __read(streams)));
|
|
};
|
|
DragDropRegistry.prototype.ngOnDestroy = function () {
|
|
var _this = this;
|
|
this._dragInstances.forEach(function (instance) { return _this.removeDragItem(instance); });
|
|
this._dropInstances.forEach(function (instance) { return _this.removeDropContainer(instance); });
|
|
this._clearGlobalListeners();
|
|
this.pointerMove.complete();
|
|
this.pointerUp.complete();
|
|
};
|
|
/** Clears out the global event listeners from the `document`. */
|
|
DragDropRegistry.prototype._clearGlobalListeners = function () {
|
|
var _this = this;
|
|
this._globalListeners.forEach(function (config, name) {
|
|
_this._document.removeEventListener(name, config.handler, config.options);
|
|
});
|
|
this._globalListeners.clear();
|
|
};
|
|
DragDropRegistry.ɵfac = function DragDropRegistry_Factory(t) { return new (t || DragDropRegistry)(ɵngcc0.ɵɵinject(ɵngcc0.NgZone), ɵngcc0.ɵɵinject(i1.DOCUMENT)); };
|
|
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && ɵngcc0.ɵsetClassMetadata(DragDropRegistry, [{
|
|
type: i0.Injectable,
|
|
args: [{ providedIn: 'root' }]
|
|
}], function () { return [{ type: ɵngcc0.NgZone }, { type: undefined, decorators: [{
|
|
type: i0.Inject,
|
|
args: [i1.DOCUMENT]
|
|
}] }]; }, null); })();
|
|
return DragDropRegistry;
|
|
}());
|
|
DragDropRegistry.ɵprov = i0__namespace.ɵɵdefineInjectable({ factory: function DragDropRegistry_Factory() { return new DragDropRegistry(i0__namespace.ɵɵinject(i0__namespace.NgZone), i0__namespace.ɵɵinject(i1__namespace.DOCUMENT)); }, token: DragDropRegistry, providedIn: "root" });
|
|
DragDropRegistry.ctorParameters = function () { return [
|
|
{ type: i0.NgZone },
|
|
{ type: undefined, decorators: [{ type: i0.Inject, args: [i1.DOCUMENT,] }] }
|
|
]; };
|
|
|
|
/**
|
|
* @license
|
|
* Copyright Google LLC All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
|
|
*/
|
|
/** Default configuration to be used when creating a `DragRef`. */
|
|
var DEFAULT_CONFIG = {
|
|
dragStartThreshold: 5,
|
|
pointerDirectionChangeThreshold: 5
|
|
};
|
|
/**
|
|
* Service that allows for drag-and-drop functionality to be attached to DOM elements.
|
|
*/
|
|
var DragDrop = /** @class */ (function () {
|
|
function DragDrop(_document, _ngZone, _viewportRuler, _dragDropRegistry) {
|
|
this._document = _document;
|
|
this._ngZone = _ngZone;
|
|
this._viewportRuler = _viewportRuler;
|
|
this._dragDropRegistry = _dragDropRegistry;
|
|
}
|
|
/**
|
|
* Turns an element into a draggable item.
|
|
* @param element Element to which to attach the dragging functionality.
|
|
* @param config Object used to configure the dragging behavior.
|
|
*/
|
|
DragDrop.prototype.createDrag = function (element, config) {
|
|
if (config === void 0) { config = DEFAULT_CONFIG; }
|
|
return new DragRef(element, config, this._document, this._ngZone, this._viewportRuler, this._dragDropRegistry);
|
|
};
|
|
/**
|
|
* Turns an element into a drop list.
|
|
* @param element Element to which to attach the drop list functionality.
|
|
*/
|
|
DragDrop.prototype.createDropList = function (element) {
|
|
return new DropListRef(element, this._dragDropRegistry, this._document, this._ngZone, this._viewportRuler);
|
|
};
|
|
DragDrop.ɵfac = function DragDrop_Factory(t) { return new (t || DragDrop)(ɵngcc0.ɵɵinject(i1.DOCUMENT), ɵngcc0.ɵɵinject(ɵngcc0.NgZone), ɵngcc0.ɵɵinject(ɵngcc1.ViewportRuler), ɵngcc0.ɵɵinject(DragDropRegistry)); };
|
|
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && ɵngcc0.ɵsetClassMetadata(DragDrop, [{
|
|
type: i0.Injectable,
|
|
args: [{ providedIn: 'root' }]
|
|
}], function () { return [{ type: undefined, decorators: [{
|
|
type: i0.Inject,
|
|
args: [i1.DOCUMENT]
|
|
}] }, { type: ɵngcc0.NgZone }, { type: ɵngcc1.ViewportRuler }, { type: DragDropRegistry }]; }, null); })();
|
|
return DragDrop;
|
|
}());
|
|
DragDrop.ɵprov = i0__namespace.ɵɵdefineInjectable({ factory: function DragDrop_Factory() { return new DragDrop(i0__namespace.ɵɵinject(i1__namespace.DOCUMENT), i0__namespace.ɵɵinject(i0__namespace.NgZone), i0__namespace.ɵɵinject(i2__namespace.ViewportRuler), i0__namespace.ɵɵinject(DragDropRegistry)); }, token: DragDrop, providedIn: "root" });
|
|
DragDrop.ctorParameters = function () { return [
|
|
{ type: undefined, decorators: [{ type: i0.Inject, args: [i1.DOCUMENT,] }] },
|
|
{ type: i0.NgZone },
|
|
{ type: i2.ViewportRuler },
|
|
{ type: DragDropRegistry }
|
|
]; };
|
|
|
|
/**
|
|
* @license
|
|
* Copyright Google LLC All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
|
|
*/
|
|
/**
|
|
* Injection token that can be used for a `CdkDrag` to provide itself as a parent to the
|
|
* drag-specific child directive (`CdkDragHandle`, `CdkDragPreview` etc.). Used primarily
|
|
* to avoid circular imports.
|
|
* @docs-private
|
|
*/
|
|
var CDK_DRAG_PARENT = new i0.InjectionToken('CDK_DRAG_PARENT');
|
|
|
|
/**
|
|
* @license
|
|
* Copyright Google LLC All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
|
|
*/
|
|
/**
|
|
* Injection token that can be used to reference instances of `CdkDropListGroup`. It serves as
|
|
* alternative token to the actual `CdkDropListGroup` class which could cause unnecessary
|
|
* retention of the class and its directive metadata.
|
|
*/
|
|
var CDK_DROP_LIST_GROUP = new i0.InjectionToken('CdkDropListGroup');
|
|
/**
|
|
* Declaratively connects sibling `cdkDropList` instances together. All of the `cdkDropList`
|
|
* elements that are placed inside a `cdkDropListGroup` will be connected to each other
|
|
* automatically. Can be used as an alternative to the `cdkDropListConnectedTo` input
|
|
* from `cdkDropList`.
|
|
*/
|
|
var CdkDropListGroup = /** @class */ (function () {
|
|
function CdkDropListGroup() {
|
|
/** Drop lists registered inside the group. */
|
|
this._items = new Set();
|
|
this._disabled = false;
|
|
}
|
|
Object.defineProperty(CdkDropListGroup.prototype, "disabled", {
|
|
/** Whether starting a dragging sequence from inside this group is disabled. */
|
|
get: function () { return this._disabled; },
|
|
set: function (value) {
|
|
this._disabled = coercion.coerceBooleanProperty(value);
|
|
},
|
|
enumerable: false,
|
|
configurable: true
|
|
});
|
|
CdkDropListGroup.prototype.ngOnDestroy = function () {
|
|
this._items.clear();
|
|
};
|
|
CdkDropListGroup.ɵfac = function CdkDropListGroup_Factory(t) { return new (t || CdkDropListGroup)(); };
|
|
CdkDropListGroup.ɵdir = /*@__PURE__*/ ɵngcc0.ɵɵdefineDirective({ type: CdkDropListGroup, selectors: [["", "cdkDropListGroup", ""]], inputs: { disabled: ["cdkDropListGroupDisabled", "disabled"] }, exportAs: ["cdkDropListGroup"], features: [ɵngcc0.ɵɵProvidersFeature([{ provide: CDK_DROP_LIST_GROUP, useExisting: CdkDropListGroup }])] });
|
|
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && ɵngcc0.ɵsetClassMetadata(CdkDropListGroup, [{
|
|
type: i0.Directive,
|
|
args: [{
|
|
selector: '[cdkDropListGroup]',
|
|
exportAs: 'cdkDropListGroup',
|
|
providers: [{ provide: CDK_DROP_LIST_GROUP, useExisting: CdkDropListGroup }]
|
|
}]
|
|
}], function () { return []; }, { disabled: [{
|
|
type: i0.Input,
|
|
args: ['cdkDropListGroupDisabled']
|
|
}] }); })();
|
|
return CdkDropListGroup;
|
|
}());
|
|
CdkDropListGroup.propDecorators = {
|
|
disabled: [{ type: i0.Input, args: ['cdkDropListGroupDisabled',] }]
|
|
};
|
|
|
|
/**
|
|
* @license
|
|
* Copyright Google LLC All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
|
|
*/
|
|
/**
|
|
* Injection token that can be used to configure the
|
|
* behavior of the drag&drop-related components.
|
|
*/
|
|
var CDK_DRAG_CONFIG = new i0.InjectionToken('CDK_DRAG_CONFIG');
|
|
|
|
/**
|
|
* @license
|
|
* Copyright Google LLC All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
|
|
*/
|
|
/**
|
|
* Asserts that a particular node is an element.
|
|
* @param node Node to be checked.
|
|
* @param name Name to attach to the error message.
|
|
*/
|
|
function assertElementNode(node, name) {
|
|
if (node.nodeType !== 1) {
|
|
throw Error(name + " must be attached to an element node. " +
|
|
("Currently attached to \"" + node.nodeName + "\"."));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @license
|
|
* Copyright Google LLC All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
|
|
*/
|
|
/** Counter used to generate unique ids for drop zones. */
|
|
var _uniqueIdCounter = 0;
|
|
/**
|
|
* Injection token that can be used to reference instances of `CdkDropList`. It serves as
|
|
* alternative token to the actual `CdkDropList` class which could cause unnecessary
|
|
* retention of the class and its directive metadata.
|
|
*/
|
|
var CDK_DROP_LIST = new i0.InjectionToken('CdkDropList');
|
|
var ɵ0 = undefined;
|
|
/** Container that wraps a set of draggable items. */
|
|
var CdkDropList = /** @class */ (function () {
|
|
function CdkDropList(
|
|
/** Element that the drop list is attached to. */
|
|
element, dragDrop, _changeDetectorRef, _scrollDispatcher, _dir, _group, config) {
|
|
var _this = this;
|
|
this.element = element;
|
|
this._changeDetectorRef = _changeDetectorRef;
|
|
this._scrollDispatcher = _scrollDispatcher;
|
|
this._dir = _dir;
|
|
this._group = _group;
|
|
/** Emits when the list has been destroyed. */
|
|
this._destroyed = new rxjs.Subject();
|
|
/**
|
|
* Other draggable containers that this container is connected to and into which the
|
|
* container's items can be transferred. Can either be references to other drop containers,
|
|
* or their unique IDs.
|
|
*/
|
|
this.connectedTo = [];
|
|
/**
|
|
* Unique ID for the drop zone. Can be used as a reference
|
|
* in the `connectedTo` of another `CdkDropList`.
|
|
*/
|
|
this.id = "cdk-drop-list-" + _uniqueIdCounter++;
|
|
/**
|
|
* Function that is used to determine whether an item
|
|
* is allowed to be moved into a drop container.
|
|
*/
|
|
this.enterPredicate = function () { return true; };
|
|
/** Functions that is used to determine whether an item can be sorted into a particular index. */
|
|
this.sortPredicate = function () { return true; };
|
|
/** Emits when the user drops an item inside the container. */
|
|
this.dropped = new i0.EventEmitter();
|
|
/**
|
|
* Emits when the user has moved a new drag item into this container.
|
|
*/
|
|
this.entered = new i0.EventEmitter();
|
|
/**
|
|
* Emits when the user removes an item from the container
|
|
* by dragging it into another container.
|
|
*/
|
|
this.exited = new i0.EventEmitter();
|
|
/** Emits as the user is swapping items while actively dragging. */
|
|
this.sorted = new i0.EventEmitter();
|
|
/**
|
|
* Keeps track of the items that are registered with this container. Historically we used to
|
|
* do this with a `ContentChildren` query, however queries don't handle transplanted views very
|
|
* well which means that we can't handle cases like dragging the headers of a `mat-table`
|
|
* correctly. What we do instead is to have the items register themselves with the container
|
|
* and then we sort them based on their position in the DOM.
|
|
*/
|
|
this._unsortedItems = new Set();
|
|
if (typeof ngDevMode === 'undefined' || ngDevMode) {
|
|
assertElementNode(element.nativeElement, 'cdkDropList');
|
|
}
|
|
this._dropListRef = dragDrop.createDropList(element);
|
|
this._dropListRef.data = this;
|
|
if (config) {
|
|
this._assignDefaults(config);
|
|
}
|
|
this._dropListRef.enterPredicate = function (drag, drop) {
|
|
return _this.enterPredicate(drag.data, drop.data);
|
|
};
|
|
this._dropListRef.sortPredicate =
|
|
function (index, drag, drop) {
|
|
return _this.sortPredicate(index, drag.data, drop.data);
|
|
};
|
|
this._setupInputSyncSubscription(this._dropListRef);
|
|
this._handleEvents(this._dropListRef);
|
|
CdkDropList._dropLists.push(this);
|
|
if (_group) {
|
|
_group._items.add(this);
|
|
}
|
|
}
|
|
Object.defineProperty(CdkDropList.prototype, "disabled", {
|
|
/** Whether starting a dragging sequence from this container is disabled. */
|
|
get: function () {
|
|
return this._disabled || (!!this._group && this._group.disabled);
|
|
},
|
|
set: function (value) {
|
|
// Usually we sync the directive and ref state right before dragging starts, in order to have
|
|
// a single point of failure and to avoid having to use setters for everything. `disabled` is
|
|
// a special case, because it can prevent the `beforeStarted` event from firing, which can lock
|
|
// the user in a disabled state, so we also need to sync it as it's being set.
|
|
this._dropListRef.disabled = this._disabled = coercion.coerceBooleanProperty(value);
|
|
},
|
|
enumerable: false,
|
|
configurable: true
|
|
});
|
|
/** Registers an items with the drop list. */
|
|
CdkDropList.prototype.addItem = function (item) {
|
|
this._unsortedItems.add(item);
|
|
if (this._dropListRef.isDragging()) {
|
|
this._syncItemsWithRef();
|
|
}
|
|
};
|
|
/** Removes an item from the drop list. */
|
|
CdkDropList.prototype.removeItem = function (item) {
|
|
this._unsortedItems.delete(item);
|
|
if (this._dropListRef.isDragging()) {
|
|
this._syncItemsWithRef();
|
|
}
|
|
};
|
|
/** Gets the registered items in the list, sorted by their position in the DOM. */
|
|
CdkDropList.prototype.getSortedItems = function () {
|
|
return Array.from(this._unsortedItems).sort(function (a, b) {
|
|
var documentPosition = a._dragRef.getVisibleElement().compareDocumentPosition(b._dragRef.getVisibleElement());
|
|
// `compareDocumentPosition` returns a bitmask so we have to use a bitwise operator.
|
|
// https://developer.mozilla.org/en-US/docs/Web/API/Node/compareDocumentPosition
|
|
// tslint:disable-next-line:no-bitwise
|
|
return documentPosition & Node.DOCUMENT_POSITION_FOLLOWING ? -1 : 1;
|
|
});
|
|
};
|
|
CdkDropList.prototype.ngOnDestroy = function () {
|
|
var index = CdkDropList._dropLists.indexOf(this);
|
|
if (index > -1) {
|
|
CdkDropList._dropLists.splice(index, 1);
|
|
}
|
|
if (this._group) {
|
|
this._group._items.delete(this);
|
|
}
|
|
this._unsortedItems.clear();
|
|
this._dropListRef.dispose();
|
|
this._destroyed.next();
|
|
this._destroyed.complete();
|
|
};
|
|
/** Syncs the inputs of the CdkDropList with the options of the underlying DropListRef. */
|
|
CdkDropList.prototype._setupInputSyncSubscription = function (ref) {
|
|
var _this = this;
|
|
if (this._dir) {
|
|
this._dir.change
|
|
.pipe(operators.startWith(this._dir.value), operators.takeUntil(this._destroyed))
|
|
.subscribe(function (value) { return ref.withDirection(value); });
|
|
}
|
|
ref.beforeStarted.subscribe(function () {
|
|
var siblings = coercion.coerceArray(_this.connectedTo).map(function (drop) {
|
|
if (typeof drop === 'string') {
|
|
var correspondingDropList = CdkDropList._dropLists.find(function (list) { return list.id === drop; });
|
|
if (!correspondingDropList && (typeof ngDevMode === 'undefined' || ngDevMode)) {
|
|
console.warn("CdkDropList could not find connected drop list with id \"" + drop + "\"");
|
|
}
|
|
return correspondingDropList;
|
|
}
|
|
return drop;
|
|
});
|
|
if (_this._group) {
|
|
_this._group._items.forEach(function (drop) {
|
|
if (siblings.indexOf(drop) === -1) {
|
|
siblings.push(drop);
|
|
}
|
|
});
|
|
}
|
|
// Note that we resolve the scrollable parents here so that we delay the resolution
|
|
// as long as possible, ensuring that the element is in its final place in the DOM.
|
|
if (!_this._scrollableParentsResolved) {
|
|
var scrollableParents = _this._scrollDispatcher
|
|
.getAncestorScrollContainers(_this.element)
|
|
.map(function (scrollable) { return scrollable.getElementRef().nativeElement; });
|
|
_this._dropListRef.withScrollableParents(scrollableParents);
|
|
// Only do this once since it involves traversing the DOM and the parents
|
|
// shouldn't be able to change without the drop list being destroyed.
|
|
_this._scrollableParentsResolved = true;
|
|
}
|
|
ref.disabled = _this.disabled;
|
|
ref.lockAxis = _this.lockAxis;
|
|
ref.sortingDisabled = coercion.coerceBooleanProperty(_this.sortingDisabled);
|
|
ref.autoScrollDisabled = coercion.coerceBooleanProperty(_this.autoScrollDisabled);
|
|
ref.autoScrollStep = coercion.coerceNumberProperty(_this.autoScrollStep, 2);
|
|
ref
|
|
.connectedTo(siblings.filter(function (drop) { return drop && drop !== _this; }).map(function (list) { return list._dropListRef; }))
|
|
.withOrientation(_this.orientation);
|
|
});
|
|
};
|
|
/** Handles events from the underlying DropListRef. */
|
|
CdkDropList.prototype._handleEvents = function (ref) {
|
|
var _this = this;
|
|
ref.beforeStarted.subscribe(function () {
|
|
_this._syncItemsWithRef();
|
|
_this._changeDetectorRef.markForCheck();
|
|
});
|
|
ref.entered.subscribe(function (event) {
|
|
_this.entered.emit({
|
|
container: _this,
|
|
item: event.item.data,
|
|
currentIndex: event.currentIndex
|
|
});
|
|
});
|
|
ref.exited.subscribe(function (event) {
|
|
_this.exited.emit({
|
|
container: _this,
|
|
item: event.item.data
|
|
});
|
|
_this._changeDetectorRef.markForCheck();
|
|
});
|
|
ref.sorted.subscribe(function (event) {
|
|
_this.sorted.emit({
|
|
previousIndex: event.previousIndex,
|
|
currentIndex: event.currentIndex,
|
|
container: _this,
|
|
item: event.item.data
|
|
});
|
|
});
|
|
ref.dropped.subscribe(function (event) {
|
|
_this.dropped.emit({
|
|
previousIndex: event.previousIndex,
|
|
currentIndex: event.currentIndex,
|
|
previousContainer: event.previousContainer.data,
|
|
container: event.container.data,
|
|
item: event.item.data,
|
|
isPointerOverContainer: event.isPointerOverContainer,
|
|
distance: event.distance,
|
|
dropPoint: event.dropPoint
|
|
});
|
|
// Mark for check since all of these events run outside of change
|
|
// detection and we're not guaranteed for something else to have triggered it.
|
|
_this._changeDetectorRef.markForCheck();
|
|
});
|
|
};
|
|
/** Assigns the default input values based on a provided config object. */
|
|
CdkDropList.prototype._assignDefaults = function (config) {
|
|
var lockAxis = config.lockAxis, draggingDisabled = config.draggingDisabled, sortingDisabled = config.sortingDisabled, listAutoScrollDisabled = config.listAutoScrollDisabled, listOrientation = config.listOrientation;
|
|
this.disabled = draggingDisabled == null ? false : draggingDisabled;
|
|
this.sortingDisabled = sortingDisabled == null ? false : sortingDisabled;
|
|
this.autoScrollDisabled = listAutoScrollDisabled == null ? false : listAutoScrollDisabled;
|
|
this.orientation = listOrientation || 'vertical';
|
|
if (lockAxis) {
|
|
this.lockAxis = lockAxis;
|
|
}
|
|
};
|
|
/** Syncs up the registered drag items with underlying drop list ref. */
|
|
CdkDropList.prototype._syncItemsWithRef = function () {
|
|
this._dropListRef.withItems(this.getSortedItems().map(function (item) { return item._dragRef; }));
|
|
};
|
|
CdkDropList.ɵfac = function CdkDropList_Factory(t) { return new (t || CdkDropList)(ɵngcc0.ɵɵdirectiveInject(ɵngcc0.ElementRef), ɵngcc0.ɵɵdirectiveInject(DragDrop), ɵngcc0.ɵɵdirectiveInject(ɵngcc0.ChangeDetectorRef), ɵngcc0.ɵɵdirectiveInject(ɵngcc1.ScrollDispatcher), ɵngcc0.ɵɵdirectiveInject(ɵngcc2.Directionality, 8), ɵngcc0.ɵɵdirectiveInject(CDK_DROP_LIST_GROUP, 12), ɵngcc0.ɵɵdirectiveInject(CDK_DRAG_CONFIG, 8)); };
|
|
CdkDropList.ɵdir = /*@__PURE__*/ ɵngcc0.ɵɵdefineDirective({ type: CdkDropList, selectors: [["", "cdkDropList", ""], ["cdk-drop-list"]], hostAttrs: [1, "cdk-drop-list"], hostVars: 7, hostBindings: function CdkDropList_HostBindings(rf, ctx) { if (rf & 2) {
|
|
ɵngcc0.ɵɵattribute("id", ctx.id);
|
|
ɵngcc0.ɵɵclassProp("cdk-drop-list-disabled", ctx.disabled)("cdk-drop-list-dragging", ctx._dropListRef.isDragging())("cdk-drop-list-receiving", ctx._dropListRef.isReceiving());
|
|
} }, inputs: { connectedTo: ["cdkDropListConnectedTo", "connectedTo"], id: "id", enterPredicate: ["cdkDropListEnterPredicate", "enterPredicate"], sortPredicate: ["cdkDropListSortPredicate", "sortPredicate"], disabled: ["cdkDropListDisabled", "disabled"], sortingDisabled: ["cdkDropListSortingDisabled", "sortingDisabled"], autoScrollDisabled: ["cdkDropListAutoScrollDisabled", "autoScrollDisabled"], orientation: ["cdkDropListOrientation", "orientation"], lockAxis: ["cdkDropListLockAxis", "lockAxis"], data: ["cdkDropListData", "data"], autoScrollStep: ["cdkDropListAutoScrollStep", "autoScrollStep"] }, outputs: { dropped: "cdkDropListDropped", entered: "cdkDropListEntered", exited: "cdkDropListExited", sorted: "cdkDropListSorted" }, exportAs: ["cdkDropList"], features: [ɵngcc0.ɵɵProvidersFeature([
|
|
// Prevent child drop lists from picking up the same group as their parent.
|
|
{ provide: CDK_DROP_LIST_GROUP, useValue: ɵ0 },
|
|
{ provide: CDK_DROP_LIST, useExisting: CdkDropList },
|
|
])] });
|
|
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && ɵngcc0.ɵsetClassMetadata(CdkDropList, [{
|
|
type: i0.Directive,
|
|
args: [{
|
|
selector: '[cdkDropList], cdk-drop-list',
|
|
exportAs: 'cdkDropList',
|
|
providers: [
|
|
// Prevent child drop lists from picking up the same group as their parent.
|
|
{ provide: CDK_DROP_LIST_GROUP, useValue: ɵ0 },
|
|
{ provide: CDK_DROP_LIST, useExisting: CdkDropList },
|
|
],
|
|
host: {
|
|
'class': 'cdk-drop-list',
|
|
'[attr.id]': 'id',
|
|
'[class.cdk-drop-list-disabled]': 'disabled',
|
|
'[class.cdk-drop-list-dragging]': '_dropListRef.isDragging()',
|
|
'[class.cdk-drop-list-receiving]': '_dropListRef.isReceiving()'
|
|
}
|
|
}]
|
|
}], function () { return [{ type: ɵngcc0.ElementRef }, { type: DragDrop }, { type: ɵngcc0.ChangeDetectorRef }, { type: ɵngcc1.ScrollDispatcher }, { type: ɵngcc2.Directionality, decorators: [{
|
|
type: i0.Optional
|
|
}] }, { type: CdkDropListGroup, decorators: [{
|
|
type: i0.Optional
|
|
}, {
|
|
type: i0.Inject,
|
|
args: [CDK_DROP_LIST_GROUP]
|
|
}, {
|
|
type: i0.SkipSelf
|
|
}] }, { type: undefined, decorators: [{
|
|
type: i0.Optional
|
|
}, {
|
|
type: i0.Inject,
|
|
args: [CDK_DRAG_CONFIG]
|
|
}] }]; }, { connectedTo: [{
|
|
type: i0.Input,
|
|
args: ['cdkDropListConnectedTo']
|
|
}], id: [{
|
|
type: i0.Input
|
|
}], enterPredicate: [{
|
|
type: i0.Input,
|
|
args: ['cdkDropListEnterPredicate']
|
|
}], sortPredicate: [{
|
|
type: i0.Input,
|
|
args: ['cdkDropListSortPredicate']
|
|
}], dropped: [{
|
|
type: i0.Output,
|
|
args: ['cdkDropListDropped']
|
|
}], entered: [{
|
|
type: i0.Output,
|
|
args: ['cdkDropListEntered']
|
|
}], exited: [{
|
|
type: i0.Output,
|
|
args: ['cdkDropListExited']
|
|
}], sorted: [{
|
|
type: i0.Output,
|
|
args: ['cdkDropListSorted']
|
|
}], disabled: [{
|
|
type: i0.Input,
|
|
args: ['cdkDropListDisabled']
|
|
}], sortingDisabled: [{
|
|
type: i0.Input,
|
|
args: ['cdkDropListSortingDisabled']
|
|
}], autoScrollDisabled: [{
|
|
type: i0.Input,
|
|
args: ['cdkDropListAutoScrollDisabled']
|
|
}], orientation: [{
|
|
type: i0.Input,
|
|
args: ['cdkDropListOrientation']
|
|
}], lockAxis: [{
|
|
type: i0.Input,
|
|
args: ['cdkDropListLockAxis']
|
|
}], data: [{
|
|
type: i0.Input,
|
|
args: ['cdkDropListData']
|
|
}], autoScrollStep: [{
|
|
type: i0.Input,
|
|
args: ['cdkDropListAutoScrollStep']
|
|
}] }); })();
|
|
return CdkDropList;
|
|
}());
|
|
/** Keeps track of the drop lists that are currently on the page. */
|
|
CdkDropList._dropLists = [];
|
|
CdkDropList.ctorParameters = function () { return [
|
|
{ type: i0.ElementRef },
|
|
{ type: DragDrop },
|
|
{ type: i0.ChangeDetectorRef },
|
|
{ type: i2.ScrollDispatcher },
|
|
{ type: bidi.Directionality, decorators: [{ type: i0.Optional }] },
|
|
{ type: CdkDropListGroup, decorators: [{ type: i0.Optional }, { type: i0.Inject, args: [CDK_DROP_LIST_GROUP,] }, { type: i0.SkipSelf }] },
|
|
{ type: undefined, decorators: [{ type: i0.Optional }, { type: i0.Inject, args: [CDK_DRAG_CONFIG,] }] }
|
|
]; };
|
|
CdkDropList.propDecorators = {
|
|
connectedTo: [{ type: i0.Input, args: ['cdkDropListConnectedTo',] }],
|
|
data: [{ type: i0.Input, args: ['cdkDropListData',] }],
|
|
orientation: [{ type: i0.Input, args: ['cdkDropListOrientation',] }],
|
|
id: [{ type: i0.Input }],
|
|
lockAxis: [{ type: i0.Input, args: ['cdkDropListLockAxis',] }],
|
|
disabled: [{ type: i0.Input, args: ['cdkDropListDisabled',] }],
|
|
sortingDisabled: [{ type: i0.Input, args: ['cdkDropListSortingDisabled',] }],
|
|
enterPredicate: [{ type: i0.Input, args: ['cdkDropListEnterPredicate',] }],
|
|
sortPredicate: [{ type: i0.Input, args: ['cdkDropListSortPredicate',] }],
|
|
autoScrollDisabled: [{ type: i0.Input, args: ['cdkDropListAutoScrollDisabled',] }],
|
|
autoScrollStep: [{ type: i0.Input, args: ['cdkDropListAutoScrollStep',] }],
|
|
dropped: [{ type: i0.Output, args: ['cdkDropListDropped',] }],
|
|
entered: [{ type: i0.Output, args: ['cdkDropListEntered',] }],
|
|
exited: [{ type: i0.Output, args: ['cdkDropListExited',] }],
|
|
sorted: [{ type: i0.Output, args: ['cdkDropListSorted',] }]
|
|
};
|
|
|
|
/**
|
|
* @license
|
|
* Copyright Google LLC All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
|
|
*/
|
|
/**
|
|
* Injection token that can be used to reference instances of `CdkDragHandle`. It serves as
|
|
* alternative token to the actual `CdkDragHandle` class which could cause unnecessary
|
|
* retention of the class and its directive metadata.
|
|
*/
|
|
var CDK_DRAG_HANDLE = new i0.InjectionToken('CdkDragHandle');
|
|
/** Handle that can be used to drag a CdkDrag instance. */
|
|
var CdkDragHandle = /** @class */ (function () {
|
|
function CdkDragHandle(element, parentDrag) {
|
|
this.element = element;
|
|
/** Emits when the state of the handle has changed. */
|
|
this._stateChanges = new rxjs.Subject();
|
|
this._disabled = false;
|
|
if (typeof ngDevMode === 'undefined' || ngDevMode) {
|
|
assertElementNode(element.nativeElement, 'cdkDragHandle');
|
|
}
|
|
this._parentDrag = parentDrag;
|
|
}
|
|
Object.defineProperty(CdkDragHandle.prototype, "disabled", {
|
|
/** Whether starting to drag through this handle is disabled. */
|
|
get: function () { return this._disabled; },
|
|
set: function (value) {
|
|
this._disabled = coercion.coerceBooleanProperty(value);
|
|
this._stateChanges.next(this);
|
|
},
|
|
enumerable: false,
|
|
configurable: true
|
|
});
|
|
CdkDragHandle.prototype.ngOnDestroy = function () {
|
|
this._stateChanges.complete();
|
|
};
|
|
CdkDragHandle.ɵfac = function CdkDragHandle_Factory(t) { return new (t || CdkDragHandle)(ɵngcc0.ɵɵdirectiveInject(ɵngcc0.ElementRef), ɵngcc0.ɵɵdirectiveInject(CDK_DRAG_PARENT, 12)); };
|
|
CdkDragHandle.ɵdir = /*@__PURE__*/ ɵngcc0.ɵɵdefineDirective({ type: CdkDragHandle, selectors: [["", "cdkDragHandle", ""]], hostAttrs: [1, "cdk-drag-handle"], inputs: { disabled: ["cdkDragHandleDisabled", "disabled"] }, features: [ɵngcc0.ɵɵProvidersFeature([{ provide: CDK_DRAG_HANDLE, useExisting: CdkDragHandle }])] });
|
|
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && ɵngcc0.ɵsetClassMetadata(CdkDragHandle, [{
|
|
type: i0.Directive,
|
|
args: [{
|
|
selector: '[cdkDragHandle]',
|
|
host: {
|
|
'class': 'cdk-drag-handle'
|
|
},
|
|
providers: [{ provide: CDK_DRAG_HANDLE, useExisting: CdkDragHandle }]
|
|
}]
|
|
}], function () { return [{ type: ɵngcc0.ElementRef }, { type: undefined, decorators: [{
|
|
type: i0.Inject,
|
|
args: [CDK_DRAG_PARENT]
|
|
}, {
|
|
type: i0.Optional
|
|
}, {
|
|
type: i0.SkipSelf
|
|
}] }]; }, { disabled: [{
|
|
type: i0.Input,
|
|
args: ['cdkDragHandleDisabled']
|
|
}] }); })();
|
|
return CdkDragHandle;
|
|
}());
|
|
CdkDragHandle.ctorParameters = function () { return [
|
|
{ type: i0.ElementRef },
|
|
{ type: undefined, decorators: [{ type: i0.Inject, args: [CDK_DRAG_PARENT,] }, { type: i0.Optional }, { type: i0.SkipSelf }] }
|
|
]; };
|
|
CdkDragHandle.propDecorators = {
|
|
disabled: [{ type: i0.Input, args: ['cdkDragHandleDisabled',] }]
|
|
};
|
|
|
|
/**
|
|
* @license
|
|
* Copyright Google LLC All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
|
|
*/
|
|
/**
|
|
* Injection token that can be used to reference instances of `CdkDragPlaceholder`. It serves as
|
|
* alternative token to the actual `CdkDragPlaceholder` class which could cause unnecessary
|
|
* retention of the class and its directive metadata.
|
|
*/
|
|
var CDK_DRAG_PLACEHOLDER = new i0.InjectionToken('CdkDragPlaceholder');
|
|
/**
|
|
* Element that will be used as a template for the placeholder of a CdkDrag when
|
|
* it is being dragged. The placeholder is displayed in place of the element being dragged.
|
|
*/
|
|
var CdkDragPlaceholder = /** @class */ (function () {
|
|
function CdkDragPlaceholder(templateRef) {
|
|
this.templateRef = templateRef;
|
|
}
|
|
CdkDragPlaceholder.ɵfac = function CdkDragPlaceholder_Factory(t) { return new (t || CdkDragPlaceholder)(ɵngcc0.ɵɵdirectiveInject(ɵngcc0.TemplateRef)); };
|
|
CdkDragPlaceholder.ɵdir = /*@__PURE__*/ ɵngcc0.ɵɵdefineDirective({ type: CdkDragPlaceholder, selectors: [["ng-template", "cdkDragPlaceholder", ""]], inputs: { data: "data" }, features: [ɵngcc0.ɵɵProvidersFeature([{ provide: CDK_DRAG_PLACEHOLDER, useExisting: CdkDragPlaceholder }])] });
|
|
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && ɵngcc0.ɵsetClassMetadata(CdkDragPlaceholder, [{
|
|
type: i0.Directive,
|
|
args: [{
|
|
selector: 'ng-template[cdkDragPlaceholder]',
|
|
providers: [{ provide: CDK_DRAG_PLACEHOLDER, useExisting: CdkDragPlaceholder }]
|
|
}]
|
|
}], function () { return [{ type: ɵngcc0.TemplateRef }]; }, { data: [{
|
|
type: i0.Input
|
|
}] }); })();
|
|
return CdkDragPlaceholder;
|
|
}());
|
|
CdkDragPlaceholder.ctorParameters = function () { return [
|
|
{ type: i0.TemplateRef }
|
|
]; };
|
|
CdkDragPlaceholder.propDecorators = {
|
|
data: [{ type: i0.Input }]
|
|
};
|
|
|
|
/**
|
|
* @license
|
|
* Copyright Google LLC All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
|
|
*/
|
|
/**
|
|
* Injection token that can be used to reference instances of `CdkDragPreview`. It serves as
|
|
* alternative token to the actual `CdkDragPreview` class which could cause unnecessary
|
|
* retention of the class and its directive metadata.
|
|
*/
|
|
var CDK_DRAG_PREVIEW = new i0.InjectionToken('CdkDragPreview');
|
|
/**
|
|
* Element that will be used as a template for the preview
|
|
* of a CdkDrag when it is being dragged.
|
|
*/
|
|
var CdkDragPreview = /** @class */ (function () {
|
|
function CdkDragPreview(templateRef) {
|
|
this.templateRef = templateRef;
|
|
this._matchSize = false;
|
|
}
|
|
Object.defineProperty(CdkDragPreview.prototype, "matchSize", {
|
|
/** Whether the preview should preserve the same size as the item that is being dragged. */
|
|
get: function () { return this._matchSize; },
|
|
set: function (value) { this._matchSize = coercion.coerceBooleanProperty(value); },
|
|
enumerable: false,
|
|
configurable: true
|
|
});
|
|
CdkDragPreview.ɵfac = function CdkDragPreview_Factory(t) { return new (t || CdkDragPreview)(ɵngcc0.ɵɵdirectiveInject(ɵngcc0.TemplateRef)); };
|
|
CdkDragPreview.ɵdir = /*@__PURE__*/ ɵngcc0.ɵɵdefineDirective({ type: CdkDragPreview, selectors: [["ng-template", "cdkDragPreview", ""]], inputs: { matchSize: "matchSize", data: "data" }, features: [ɵngcc0.ɵɵProvidersFeature([{ provide: CDK_DRAG_PREVIEW, useExisting: CdkDragPreview }])] });
|
|
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && ɵngcc0.ɵsetClassMetadata(CdkDragPreview, [{
|
|
type: i0.Directive,
|
|
args: [{
|
|
selector: 'ng-template[cdkDragPreview]',
|
|
providers: [{ provide: CDK_DRAG_PREVIEW, useExisting: CdkDragPreview }]
|
|
}]
|
|
}], function () { return [{ type: ɵngcc0.TemplateRef }]; }, { matchSize: [{
|
|
type: i0.Input
|
|
}], data: [{
|
|
type: i0.Input
|
|
}] }); })();
|
|
return CdkDragPreview;
|
|
}());
|
|
CdkDragPreview.ctorParameters = function () { return [
|
|
{ type: i0.TemplateRef }
|
|
]; };
|
|
CdkDragPreview.propDecorators = {
|
|
data: [{ type: i0.Input }],
|
|
matchSize: [{ type: i0.Input }]
|
|
};
|
|
|
|
var DRAG_HOST_CLASS = 'cdk-drag';
|
|
/** Element that can be moved inside a CdkDropList container. */
|
|
var CdkDrag = /** @class */ (function () {
|
|
function CdkDrag(
|
|
/** Element that the draggable is attached to. */
|
|
element,
|
|
/** Droppable container that the draggable is a part of. */
|
|
dropContainer,
|
|
/**
|
|
* @deprecated `_document` parameter no longer being used and will be removed.
|
|
* @breaking-change 12.0.0
|
|
*/
|
|
_document, _ngZone, _viewContainerRef, config, _dir, dragDrop, _changeDetectorRef, _selfHandle, _parentDrag) {
|
|
var _this = this;
|
|
this.element = element;
|
|
this.dropContainer = dropContainer;
|
|
this._ngZone = _ngZone;
|
|
this._viewContainerRef = _viewContainerRef;
|
|
this._dir = _dir;
|
|
this._changeDetectorRef = _changeDetectorRef;
|
|
this._selfHandle = _selfHandle;
|
|
this._parentDrag = _parentDrag;
|
|
this._destroyed = new rxjs.Subject();
|
|
/** Emits when the user starts dragging the item. */
|
|
this.started = new i0.EventEmitter();
|
|
/** Emits when the user has released a drag item, before any animations have started. */
|
|
this.released = new i0.EventEmitter();
|
|
/** Emits when the user stops dragging an item in the container. */
|
|
this.ended = new i0.EventEmitter();
|
|
/** Emits when the user has moved the item into a new container. */
|
|
this.entered = new i0.EventEmitter();
|
|
/** Emits when the user removes the item its container by dragging it into another container. */
|
|
this.exited = new i0.EventEmitter();
|
|
/** Emits when the user drops the item inside a container. */
|
|
this.dropped = new i0.EventEmitter();
|
|
/**
|
|
* Emits as the user is dragging the item. Use with caution,
|
|
* because this event will fire for every pixel that the user has dragged.
|
|
*/
|
|
this.moved = new rxjs.Observable(function (observer) {
|
|
var subscription = _this._dragRef.moved.pipe(operators.map(function (movedEvent) { return ({
|
|
source: _this,
|
|
pointerPosition: movedEvent.pointerPosition,
|
|
event: movedEvent.event,
|
|
delta: movedEvent.delta,
|
|
distance: movedEvent.distance
|
|
}); })).subscribe(observer);
|
|
return function () {
|
|
subscription.unsubscribe();
|
|
};
|
|
});
|
|
this._dragRef = dragDrop.createDrag(element, {
|
|
dragStartThreshold: config && config.dragStartThreshold != null ?
|
|
config.dragStartThreshold : 5,
|
|
pointerDirectionChangeThreshold: config && config.pointerDirectionChangeThreshold != null ?
|
|
config.pointerDirectionChangeThreshold : 5,
|
|
zIndex: config === null || config === void 0 ? void 0 : config.zIndex,
|
|
});
|
|
this._dragRef.data = this;
|
|
// We have to keep track of the drag instances in order to be able to match an element to
|
|
// a drag instance. We can't go through the global registry of `DragRef`, because the root
|
|
// element could be different.
|
|
CdkDrag._dragInstances.push(this);
|
|
if (config) {
|
|
this._assignDefaults(config);
|
|
}
|
|
// Note that usually the container is assigned when the drop list is picks up the item, but in
|
|
// some cases (mainly transplanted views with OnPush, see #18341) we may end up in a situation
|
|
// where there are no items on the first change detection pass, but the items get picked up as
|
|
// soon as the user triggers another pass by dragging. This is a problem, because the item would
|
|
// have to switch from standalone mode to drag mode in the middle of the dragging sequence which
|
|
// is too late since the two modes save different kinds of information. We work around it by
|
|
// assigning the drop container both from here and the list.
|
|
if (dropContainer) {
|
|
this._dragRef._withDropContainer(dropContainer._dropListRef);
|
|
dropContainer.addItem(this);
|
|
}
|
|
this._syncInputs(this._dragRef);
|
|
this._handleEvents(this._dragRef);
|
|
}
|
|
Object.defineProperty(CdkDrag.prototype, "disabled", {
|
|
/** Whether starting to drag this element is disabled. */
|
|
get: function () {
|
|
return this._disabled || (this.dropContainer && this.dropContainer.disabled);
|
|
},
|
|
set: function (value) {
|
|
this._disabled = coercion.coerceBooleanProperty(value);
|
|
this._dragRef.disabled = this._disabled;
|
|
},
|
|
enumerable: false,
|
|
configurable: true
|
|
});
|
|
/**
|
|
* Returns the element that is being used as a placeholder
|
|
* while the current element is being dragged.
|
|
*/
|
|
CdkDrag.prototype.getPlaceholderElement = function () {
|
|
return this._dragRef.getPlaceholderElement();
|
|
};
|
|
/** Returns the root draggable element. */
|
|
CdkDrag.prototype.getRootElement = function () {
|
|
return this._dragRef.getRootElement();
|
|
};
|
|
/** Resets a standalone drag item to its initial position. */
|
|
CdkDrag.prototype.reset = function () {
|
|
this._dragRef.reset();
|
|
};
|
|
/**
|
|
* Gets the pixel coordinates of the draggable outside of a drop container.
|
|
*/
|
|
CdkDrag.prototype.getFreeDragPosition = function () {
|
|
return this._dragRef.getFreeDragPosition();
|
|
};
|
|
CdkDrag.prototype.ngAfterViewInit = function () {
|
|
var _this = this;
|
|
// Normally this isn't in the zone, but it can cause major performance regressions for apps
|
|
// using `zone-patch-rxjs` because it'll trigger a change detection when it unsubscribes.
|
|
this._ngZone.runOutsideAngular(function () {
|
|
// We need to wait for the zone to stabilize, in order for the reference
|
|
// element to be in the proper place in the DOM. This is mostly relevant
|
|
// for draggable elements inside portals since they get stamped out in
|
|
// their original DOM position and then they get transferred to the portal.
|
|
_this._ngZone.onStable
|
|
.pipe(operators.take(1), operators.takeUntil(_this._destroyed))
|
|
.subscribe(function () {
|
|
_this._updateRootElement();
|
|
_this._setupHandlesListener();
|
|
if (_this.freeDragPosition) {
|
|
_this._dragRef.setFreeDragPosition(_this.freeDragPosition);
|
|
}
|
|
});
|
|
});
|
|
};
|
|
CdkDrag.prototype.ngOnChanges = function (changes) {
|
|
var rootSelectorChange = changes['rootElementSelector'];
|
|
var positionChange = changes['freeDragPosition'];
|
|
// We don't have to react to the first change since it's being
|
|
// handled in `ngAfterViewInit` where it needs to be deferred.
|
|
if (rootSelectorChange && !rootSelectorChange.firstChange) {
|
|
this._updateRootElement();
|
|
}
|
|
// Skip the first change since it's being handled in `ngAfterViewInit`.
|
|
if (positionChange && !positionChange.firstChange && this.freeDragPosition) {
|
|
this._dragRef.setFreeDragPosition(this.freeDragPosition);
|
|
}
|
|
};
|
|
CdkDrag.prototype.ngOnDestroy = function () {
|
|
var _this = this;
|
|
if (this.dropContainer) {
|
|
this.dropContainer.removeItem(this);
|
|
}
|
|
var index = CdkDrag._dragInstances.indexOf(this);
|
|
if (index > -1) {
|
|
CdkDrag._dragInstances.splice(index, 1);
|
|
}
|
|
// Unnecessary in most cases, but used to avoid extra change detections with `zone-paths-rxjs`.
|
|
this._ngZone.runOutsideAngular(function () {
|
|
_this._destroyed.next();
|
|
_this._destroyed.complete();
|
|
_this._dragRef.dispose();
|
|
});
|
|
};
|
|
/** Syncs the root element with the `DragRef`. */
|
|
CdkDrag.prototype._updateRootElement = function () {
|
|
var element = this.element.nativeElement;
|
|
var rootElement = this.rootElementSelector ?
|
|
getClosestMatchingAncestor(element, this.rootElementSelector) : element;
|
|
if (rootElement && (typeof ngDevMode === 'undefined' || ngDevMode)) {
|
|
assertElementNode(rootElement, 'cdkDrag');
|
|
}
|
|
this._dragRef.withRootElement(rootElement || element);
|
|
};
|
|
/** Gets the boundary element, based on the `boundaryElement` value. */
|
|
CdkDrag.prototype._getBoundaryElement = function () {
|
|
var boundary = this.boundaryElement;
|
|
if (!boundary) {
|
|
return null;
|
|
}
|
|
if (typeof boundary === 'string') {
|
|
return getClosestMatchingAncestor(this.element.nativeElement, boundary);
|
|
}
|
|
var element = coercion.coerceElement(boundary);
|
|
if ((typeof ngDevMode === 'undefined' || ngDevMode) &&
|
|
!element.contains(this.element.nativeElement)) {
|
|
throw Error('Draggable element is not inside of the node passed into cdkDragBoundary.');
|
|
}
|
|
return element;
|
|
};
|
|
/** Syncs the inputs of the CdkDrag with the options of the underlying DragRef. */
|
|
CdkDrag.prototype._syncInputs = function (ref) {
|
|
var _this = this;
|
|
ref.beforeStarted.subscribe(function () {
|
|
if (!ref.isDragging()) {
|
|
var dir = _this._dir;
|
|
var dragStartDelay = _this.dragStartDelay;
|
|
var placeholder = _this._placeholderTemplate ? {
|
|
template: _this._placeholderTemplate.templateRef,
|
|
context: _this._placeholderTemplate.data,
|
|
viewContainer: _this._viewContainerRef
|
|
} : null;
|
|
var preview = _this._previewTemplate ? {
|
|
template: _this._previewTemplate.templateRef,
|
|
context: _this._previewTemplate.data,
|
|
matchSize: _this._previewTemplate.matchSize,
|
|
viewContainer: _this._viewContainerRef
|
|
} : null;
|
|
ref.disabled = _this.disabled;
|
|
ref.lockAxis = _this.lockAxis;
|
|
ref.dragStartDelay = (typeof dragStartDelay === 'object' && dragStartDelay) ?
|
|
dragStartDelay : coercion.coerceNumberProperty(dragStartDelay);
|
|
ref.constrainPosition = _this.constrainPosition;
|
|
ref.previewClass = _this.previewClass;
|
|
ref
|
|
.withBoundaryElement(_this._getBoundaryElement())
|
|
.withPlaceholderTemplate(placeholder)
|
|
.withPreviewTemplate(preview)
|
|
.withPreviewContainer(_this.previewContainer || 'global');
|
|
if (dir) {
|
|
ref.withDirection(dir.value);
|
|
}
|
|
}
|
|
});
|
|
// This only needs to be resolved once.
|
|
ref.beforeStarted.pipe(operators.take(1)).subscribe(function () {
|
|
var _a, _b;
|
|
// If we managed to resolve a parent through DI, use it.
|
|
if (_this._parentDrag) {
|
|
ref.withParent(_this._parentDrag._dragRef);
|
|
return;
|
|
}
|
|
// Otherwise fall back to resolving the parent by looking up the DOM. This can happen if
|
|
// the item was projected into another item by something like `ngTemplateOutlet`.
|
|
var parent = _this.element.nativeElement.parentElement;
|
|
while (parent) {
|
|
// `classList` needs to be null checked, because IE doesn't have it on some elements.
|
|
if ((_a = parent.classList) === null || _a === void 0 ? void 0 : _a.contains(DRAG_HOST_CLASS)) {
|
|
ref.withParent(((_b = CdkDrag._dragInstances.find(function (drag) {
|
|
return drag.element.nativeElement === parent;
|
|
})) === null || _b === void 0 ? void 0 : _b._dragRef) || null);
|
|
break;
|
|
}
|
|
parent = parent.parentElement;
|
|
}
|
|
});
|
|
};
|
|
/** Handles the events from the underlying `DragRef`. */
|
|
CdkDrag.prototype._handleEvents = function (ref) {
|
|
var _this = this;
|
|
ref.started.subscribe(function () {
|
|
_this.started.emit({ source: _this });
|
|
// Since all of these events run outside of change detection,
|
|
// we need to ensure that everything is marked correctly.
|
|
_this._changeDetectorRef.markForCheck();
|
|
});
|
|
ref.released.subscribe(function () {
|
|
_this.released.emit({ source: _this });
|
|
});
|
|
ref.ended.subscribe(function (event) {
|
|
_this.ended.emit({
|
|
source: _this,
|
|
distance: event.distance,
|
|
dropPoint: event.dropPoint
|
|
});
|
|
// Since all of these events run outside of change detection,
|
|
// we need to ensure that everything is marked correctly.
|
|
_this._changeDetectorRef.markForCheck();
|
|
});
|
|
ref.entered.subscribe(function (event) {
|
|
_this.entered.emit({
|
|
container: event.container.data,
|
|
item: _this,
|
|
currentIndex: event.currentIndex
|
|
});
|
|
});
|
|
ref.exited.subscribe(function (event) {
|
|
_this.exited.emit({
|
|
container: event.container.data,
|
|
item: _this
|
|
});
|
|
});
|
|
ref.dropped.subscribe(function (event) {
|
|
_this.dropped.emit({
|
|
previousIndex: event.previousIndex,
|
|
currentIndex: event.currentIndex,
|
|
previousContainer: event.previousContainer.data,
|
|
container: event.container.data,
|
|
isPointerOverContainer: event.isPointerOverContainer,
|
|
item: _this,
|
|
distance: event.distance,
|
|
dropPoint: event.dropPoint
|
|
});
|
|
});
|
|
};
|
|
/** Assigns the default input values based on a provided config object. */
|
|
CdkDrag.prototype._assignDefaults = function (config) {
|
|
var lockAxis = config.lockAxis, dragStartDelay = config.dragStartDelay, constrainPosition = config.constrainPosition, previewClass = config.previewClass, boundaryElement = config.boundaryElement, draggingDisabled = config.draggingDisabled, rootElementSelector = config.rootElementSelector, previewContainer = config.previewContainer;
|
|
this.disabled = draggingDisabled == null ? false : draggingDisabled;
|
|
this.dragStartDelay = dragStartDelay || 0;
|
|
if (lockAxis) {
|
|
this.lockAxis = lockAxis;
|
|
}
|
|
if (constrainPosition) {
|
|
this.constrainPosition = constrainPosition;
|
|
}
|
|
if (previewClass) {
|
|
this.previewClass = previewClass;
|
|
}
|
|
if (boundaryElement) {
|
|
this.boundaryElement = boundaryElement;
|
|
}
|
|
if (rootElementSelector) {
|
|
this.rootElementSelector = rootElementSelector;
|
|
}
|
|
if (previewContainer) {
|
|
this.previewContainer = previewContainer;
|
|
}
|
|
};
|
|
/** Sets up the listener that syncs the handles with the drag ref. */
|
|
CdkDrag.prototype._setupHandlesListener = function () {
|
|
var _this = this;
|
|
// Listen for any newly-added handles.
|
|
this._handles.changes.pipe(operators.startWith(this._handles),
|
|
// Sync the new handles with the DragRef.
|
|
operators.tap(function (handles) {
|
|
var childHandleElements = handles
|
|
.filter(function (handle) { return handle._parentDrag === _this; })
|
|
.map(function (handle) { return handle.element; });
|
|
// Usually handles are only allowed to be a descendant of the drag element, but if
|
|
// the consumer defined a different drag root, we should allow the drag element
|
|
// itself to be a handle too.
|
|
if (_this._selfHandle && _this.rootElementSelector) {
|
|
childHandleElements.push(_this.element);
|
|
}
|
|
_this._dragRef.withHandles(childHandleElements);
|
|
}),
|
|
// Listen if the state of any of the handles changes.
|
|
operators.switchMap(function (handles) {
|
|
return rxjs.merge.apply(void 0, __spreadArray([], __read(handles.map(function (item) {
|
|
return item._stateChanges.pipe(operators.startWith(item));
|
|
}))));
|
|
}), operators.takeUntil(this._destroyed)).subscribe(function (handleInstance) {
|
|
// Enabled/disable the handle that changed in the DragRef.
|
|
var dragRef = _this._dragRef;
|
|
var handle = handleInstance.element.nativeElement;
|
|
handleInstance.disabled ? dragRef.disableHandle(handle) : dragRef.enableHandle(handle);
|
|
});
|
|
};
|
|
CdkDrag.ɵfac = function CdkDrag_Factory(t) { return new (t || CdkDrag)(ɵngcc0.ɵɵdirectiveInject(ɵngcc0.ElementRef), ɵngcc0.ɵɵdirectiveInject(CDK_DROP_LIST, 12), ɵngcc0.ɵɵdirectiveInject(i1.DOCUMENT), ɵngcc0.ɵɵdirectiveInject(ɵngcc0.NgZone), ɵngcc0.ɵɵdirectiveInject(ɵngcc0.ViewContainerRef), ɵngcc0.ɵɵdirectiveInject(CDK_DRAG_CONFIG, 8), ɵngcc0.ɵɵdirectiveInject(ɵngcc2.Directionality, 8), ɵngcc0.ɵɵdirectiveInject(DragDrop), ɵngcc0.ɵɵdirectiveInject(ɵngcc0.ChangeDetectorRef), ɵngcc0.ɵɵdirectiveInject(CDK_DRAG_HANDLE, 10), ɵngcc0.ɵɵdirectiveInject(CDK_DRAG_PARENT, 12)); };
|
|
CdkDrag.ɵdir = /*@__PURE__*/ ɵngcc0.ɵɵdefineDirective({ type: CdkDrag, selectors: [["", "cdkDrag", ""]], contentQueries: function CdkDrag_ContentQueries(rf, ctx, dirIndex) { if (rf & 1) {
|
|
ɵngcc0.ɵɵcontentQuery(dirIndex, CDK_DRAG_PREVIEW, 5);
|
|
ɵngcc0.ɵɵcontentQuery(dirIndex, CDK_DRAG_PLACEHOLDER, 5);
|
|
ɵngcc0.ɵɵcontentQuery(dirIndex, CDK_DRAG_HANDLE, 5);
|
|
} if (rf & 2) {
|
|
var _t;
|
|
ɵngcc0.ɵɵqueryRefresh(_t = ɵngcc0.ɵɵloadQuery()) && (ctx._previewTemplate = _t.first);
|
|
ɵngcc0.ɵɵqueryRefresh(_t = ɵngcc0.ɵɵloadQuery()) && (ctx._placeholderTemplate = _t.first);
|
|
ɵngcc0.ɵɵqueryRefresh(_t = ɵngcc0.ɵɵloadQuery()) && (ctx._handles = _t);
|
|
} }, hostAttrs: [1, "cdk-drag"], hostVars: 4, hostBindings: function CdkDrag_HostBindings(rf, ctx) { if (rf & 2) {
|
|
ɵngcc0.ɵɵclassProp("cdk-drag-disabled", ctx.disabled)("cdk-drag-dragging", ctx._dragRef.isDragging());
|
|
} }, inputs: { disabled: ["cdkDragDisabled", "disabled"], dragStartDelay: ["cdkDragStartDelay", "dragStartDelay"], lockAxis: ["cdkDragLockAxis", "lockAxis"], constrainPosition: ["cdkDragConstrainPosition", "constrainPosition"], previewClass: ["cdkDragPreviewClass", "previewClass"], boundaryElement: ["cdkDragBoundary", "boundaryElement"], rootElementSelector: ["cdkDragRootElement", "rootElementSelector"], previewContainer: ["cdkDragPreviewContainer", "previewContainer"], data: ["cdkDragData", "data"], freeDragPosition: ["cdkDragFreeDragPosition", "freeDragPosition"] }, outputs: { started: "cdkDragStarted", released: "cdkDragReleased", ended: "cdkDragEnded", entered: "cdkDragEntered", exited: "cdkDragExited", dropped: "cdkDragDropped", moved: "cdkDragMoved" }, exportAs: ["cdkDrag"], features: [ɵngcc0.ɵɵProvidersFeature([{ provide: CDK_DRAG_PARENT, useExisting: CdkDrag }]), ɵngcc0.ɵɵNgOnChangesFeature] });
|
|
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && ɵngcc0.ɵsetClassMetadata(CdkDrag, [{
|
|
type: i0.Directive,
|
|
args: [{
|
|
selector: '[cdkDrag]',
|
|
exportAs: 'cdkDrag',
|
|
host: {
|
|
'class': DRAG_HOST_CLASS,
|
|
'[class.cdk-drag-disabled]': 'disabled',
|
|
'[class.cdk-drag-dragging]': '_dragRef.isDragging()'
|
|
},
|
|
providers: [{ provide: CDK_DRAG_PARENT, useExisting: CdkDrag }]
|
|
}]
|
|
}], function () { return [{ type: ɵngcc0.ElementRef }, { type: undefined, decorators: [{
|
|
type: i0.Inject,
|
|
args: [CDK_DROP_LIST]
|
|
}, {
|
|
type: i0.Optional
|
|
}, {
|
|
type: i0.SkipSelf
|
|
}] }, { type: undefined, decorators: [{
|
|
type: i0.Inject,
|
|
args: [i1.DOCUMENT]
|
|
}] }, { type: ɵngcc0.NgZone }, { type: ɵngcc0.ViewContainerRef }, { type: undefined, decorators: [{
|
|
type: i0.Optional
|
|
}, {
|
|
type: i0.Inject,
|
|
args: [CDK_DRAG_CONFIG]
|
|
}] }, { type: ɵngcc2.Directionality, decorators: [{
|
|
type: i0.Optional
|
|
}] }, { type: DragDrop }, { type: ɵngcc0.ChangeDetectorRef }, { type: CdkDragHandle, decorators: [{
|
|
type: i0.Optional
|
|
}, {
|
|
type: i0.Self
|
|
}, {
|
|
type: i0.Inject,
|
|
args: [CDK_DRAG_HANDLE]
|
|
}] }, { type: CdkDrag, decorators: [{
|
|
type: i0.Optional
|
|
}, {
|
|
type: i0.SkipSelf
|
|
}, {
|
|
type: i0.Inject,
|
|
args: [CDK_DRAG_PARENT]
|
|
}] }]; }, { started: [{
|
|
type: i0.Output,
|
|
args: ['cdkDragStarted']
|
|
}], released: [{
|
|
type: i0.Output,
|
|
args: ['cdkDragReleased']
|
|
}], ended: [{
|
|
type: i0.Output,
|
|
args: ['cdkDragEnded']
|
|
}], entered: [{
|
|
type: i0.Output,
|
|
args: ['cdkDragEntered']
|
|
}], exited: [{
|
|
type: i0.Output,
|
|
args: ['cdkDragExited']
|
|
}], dropped: [{
|
|
type: i0.Output,
|
|
args: ['cdkDragDropped']
|
|
}], moved: [{
|
|
type: i0.Output,
|
|
args: ['cdkDragMoved']
|
|
}], disabled: [{
|
|
type: i0.Input,
|
|
args: ['cdkDragDisabled']
|
|
}], dragStartDelay: [{
|
|
type: i0.Input,
|
|
args: ['cdkDragStartDelay']
|
|
}], lockAxis: [{
|
|
type: i0.Input,
|
|
args: ['cdkDragLockAxis']
|
|
}], constrainPosition: [{
|
|
type: i0.Input,
|
|
args: ['cdkDragConstrainPosition']
|
|
}], previewClass: [{
|
|
type: i0.Input,
|
|
args: ['cdkDragPreviewClass']
|
|
}], boundaryElement: [{
|
|
type: i0.Input,
|
|
args: ['cdkDragBoundary']
|
|
}], rootElementSelector: [{
|
|
type: i0.Input,
|
|
args: ['cdkDragRootElement']
|
|
}], previewContainer: [{
|
|
type: i0.Input,
|
|
args: ['cdkDragPreviewContainer']
|
|
}], _handles: [{
|
|
type: i0.ContentChildren,
|
|
args: [CDK_DRAG_HANDLE, { descendants: true }]
|
|
}], _previewTemplate: [{
|
|
type: i0.ContentChild,
|
|
args: [CDK_DRAG_PREVIEW]
|
|
}], _placeholderTemplate: [{
|
|
type: i0.ContentChild,
|
|
args: [CDK_DRAG_PLACEHOLDER]
|
|
}], data: [{
|
|
type: i0.Input,
|
|
args: ['cdkDragData']
|
|
}], freeDragPosition: [{
|
|
type: i0.Input,
|
|
args: ['cdkDragFreeDragPosition']
|
|
}] }); })();
|
|
return CdkDrag;
|
|
}());
|
|
CdkDrag._dragInstances = [];
|
|
CdkDrag.ctorParameters = function () { return [
|
|
{ type: i0.ElementRef },
|
|
{ type: undefined, decorators: [{ type: i0.Inject, args: [CDK_DROP_LIST,] }, { type: i0.Optional }, { type: i0.SkipSelf }] },
|
|
{ type: undefined, decorators: [{ type: i0.Inject, args: [i1.DOCUMENT,] }] },
|
|
{ type: i0.NgZone },
|
|
{ type: i0.ViewContainerRef },
|
|
{ type: undefined, decorators: [{ type: i0.Optional }, { type: i0.Inject, args: [CDK_DRAG_CONFIG,] }] },
|
|
{ type: bidi.Directionality, decorators: [{ type: i0.Optional }] },
|
|
{ type: DragDrop },
|
|
{ type: i0.ChangeDetectorRef },
|
|
{ type: CdkDragHandle, decorators: [{ type: i0.Optional }, { type: i0.Self }, { type: i0.Inject, args: [CDK_DRAG_HANDLE,] }] },
|
|
{ type: CdkDrag, decorators: [{ type: i0.Optional }, { type: i0.SkipSelf }, { type: i0.Inject, args: [CDK_DRAG_PARENT,] }] }
|
|
]; };
|
|
CdkDrag.propDecorators = {
|
|
_handles: [{ type: i0.ContentChildren, args: [CDK_DRAG_HANDLE, { descendants: true },] }],
|
|
_previewTemplate: [{ type: i0.ContentChild, args: [CDK_DRAG_PREVIEW,] }],
|
|
_placeholderTemplate: [{ type: i0.ContentChild, args: [CDK_DRAG_PLACEHOLDER,] }],
|
|
data: [{ type: i0.Input, args: ['cdkDragData',] }],
|
|
lockAxis: [{ type: i0.Input, args: ['cdkDragLockAxis',] }],
|
|
rootElementSelector: [{ type: i0.Input, args: ['cdkDragRootElement',] }],
|
|
boundaryElement: [{ type: i0.Input, args: ['cdkDragBoundary',] }],
|
|
dragStartDelay: [{ type: i0.Input, args: ['cdkDragStartDelay',] }],
|
|
freeDragPosition: [{ type: i0.Input, args: ['cdkDragFreeDragPosition',] }],
|
|
disabled: [{ type: i0.Input, args: ['cdkDragDisabled',] }],
|
|
constrainPosition: [{ type: i0.Input, args: ['cdkDragConstrainPosition',] }],
|
|
previewClass: [{ type: i0.Input, args: ['cdkDragPreviewClass',] }],
|
|
previewContainer: [{ type: i0.Input, args: ['cdkDragPreviewContainer',] }],
|
|
started: [{ type: i0.Output, args: ['cdkDragStarted',] }],
|
|
released: [{ type: i0.Output, args: ['cdkDragReleased',] }],
|
|
ended: [{ type: i0.Output, args: ['cdkDragEnded',] }],
|
|
entered: [{ type: i0.Output, args: ['cdkDragEntered',] }],
|
|
exited: [{ type: i0.Output, args: ['cdkDragExited',] }],
|
|
dropped: [{ type: i0.Output, args: ['cdkDragDropped',] }],
|
|
moved: [{ type: i0.Output, args: ['cdkDragMoved',] }]
|
|
};
|
|
/** Gets the closest ancestor of an element that matches a selector. */
|
|
function getClosestMatchingAncestor(element, selector) {
|
|
var currentElement = element.parentElement;
|
|
while (currentElement) {
|
|
// IE doesn't support `matches` so we have to fall back to `msMatchesSelector`.
|
|
if (currentElement.matches ? currentElement.matches(selector) :
|
|
currentElement.msMatchesSelector(selector)) {
|
|
return currentElement;
|
|
}
|
|
currentElement = currentElement.parentElement;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* @license
|
|
* Copyright Google LLC All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
|
|
*/
|
|
var DragDropModule = /** @class */ (function () {
|
|
function DragDropModule() {
|
|
}
|
|
DragDropModule.ɵfac = function DragDropModule_Factory(t) { return new (t || DragDropModule)(); };
|
|
DragDropModule.ɵmod = /*@__PURE__*/ ɵngcc0.ɵɵdefineNgModule({ type: DragDropModule });
|
|
DragDropModule.ɵinj = /*@__PURE__*/ ɵngcc0.ɵɵdefineInjector({ providers: [
|
|
DragDrop,
|
|
], imports: [ɵngcc1.CdkScrollableModule] });
|
|
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && ɵngcc0.ɵsetClassMetadata(DragDropModule, [{
|
|
type: i0.NgModule,
|
|
args: [{
|
|
declarations: [
|
|
CdkDropList,
|
|
CdkDropListGroup,
|
|
CdkDrag,
|
|
CdkDragHandle,
|
|
CdkDragPreview,
|
|
CdkDragPlaceholder,
|
|
],
|
|
exports: [
|
|
i2.CdkScrollableModule,
|
|
CdkDropList,
|
|
CdkDropListGroup,
|
|
CdkDrag,
|
|
CdkDragHandle,
|
|
CdkDragPreview,
|
|
CdkDragPlaceholder,
|
|
],
|
|
providers: [
|
|
DragDrop,
|
|
]
|
|
}]
|
|
}], function () { return []; }, null); })();
|
|
(function () { (typeof ngJitMode === "undefined" || ngJitMode) && ɵngcc0.ɵɵsetNgModuleScope(DragDropModule, { declarations: [CdkDropList, CdkDropListGroup, CdkDrag, CdkDragHandle, CdkDragPreview, CdkDragPlaceholder], exports: [ɵngcc1.CdkScrollableModule, CdkDropList, CdkDropListGroup, CdkDrag, CdkDragHandle, CdkDragPreview, CdkDragPlaceholder] }); })();
|
|
return DragDropModule;
|
|
}());
|
|
|
|
/**
|
|
* @license
|
|
* Copyright Google LLC All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
|
|
*/
|
|
|
|
/**
|
|
* Generated bundle index. Do not edit.
|
|
*/
|
|
|
|
exports.CDK_DRAG_CONFIG = CDK_DRAG_CONFIG;
|
|
exports.CDK_DRAG_HANDLE = CDK_DRAG_HANDLE;
|
|
exports.CDK_DRAG_PARENT = CDK_DRAG_PARENT;
|
|
exports.CDK_DRAG_PLACEHOLDER = CDK_DRAG_PLACEHOLDER;
|
|
exports.CDK_DRAG_PREVIEW = CDK_DRAG_PREVIEW;
|
|
exports.CDK_DROP_LIST = CDK_DROP_LIST;
|
|
exports.CDK_DROP_LIST_GROUP = CDK_DROP_LIST_GROUP;
|
|
exports.CdkDrag = CdkDrag;
|
|
exports.CdkDragHandle = CdkDragHandle;
|
|
exports.CdkDragPlaceholder = CdkDragPlaceholder;
|
|
exports.CdkDragPreview = CdkDragPreview;
|
|
exports.CdkDropList = CdkDropList;
|
|
exports.CdkDropListGroup = CdkDropListGroup;
|
|
exports.DragDrop = DragDrop;
|
|
exports.DragDropModule = DragDropModule;
|
|
exports.DragDropRegistry = DragDropRegistry;
|
|
exports.DragRef = DragRef;
|
|
exports.DropListRef = DropListRef;
|
|
exports.copyArrayItem = copyArrayItem;
|
|
exports.moveItemInArray = moveItemInArray;
|
|
exports.transferArrayItem = transferArrayItem;
|
|
|
|
Object.defineProperty(exports, '__esModule', { value: true });
|
|
|
|
})));
|
|
|
|
//# sourceMappingURL=cdk-drag-drop.umd.js.map
|