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42 lines
4.5 KiB
42 lines
4.5 KiB
/**
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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
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* found in the LICENSE file at https://angular.io/license
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*/
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import { coerceBooleanProperty } from '@angular/cdk/coercion';
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import { Directive, InjectionToken, Input, TemplateRef } from '@angular/core';
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/**
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* Injection token that can be used to reference instances of `CdkDragPreview`. It serves as
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* alternative token to the actual `CdkDragPreview` class which could cause unnecessary
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* retention of the class and its directive metadata.
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*/
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export const CDK_DRAG_PREVIEW = new InjectionToken('CdkDragPreview');
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/**
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* Element that will be used as a template for the preview
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* of a CdkDrag when it is being dragged.
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*/
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export class CdkDragPreview {
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constructor(templateRef) {
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this.templateRef = templateRef;
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this._matchSize = false;
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}
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/** Whether the preview should preserve the same size as the item that is being dragged. */
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get matchSize() { return this._matchSize; }
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set matchSize(value) { this._matchSize = coerceBooleanProperty(value); }
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}
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CdkDragPreview.decorators = [
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{ type: Directive, args: [{
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selector: 'ng-template[cdkDragPreview]',
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providers: [{ provide: CDK_DRAG_PREVIEW, useExisting: CdkDragPreview }],
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},] }
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];
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CdkDragPreview.ctorParameters = () => [
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{ type: TemplateRef }
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];
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CdkDragPreview.propDecorators = {
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data: [{ type: Input }],
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matchSize: [{ type: Input }]
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};
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