@angular/cdk
Version:
Angular Material Component Development Kit
66 lines • 8.01 kB
JavaScript
/**
* @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
*/
import { coerceBooleanProperty } from '@angular/cdk/coercion';
import { Directive, ElementRef, Inject, InjectionToken, Input, Optional, SkipSelf, } from '@angular/core';
import { Subject } from 'rxjs';
import { CDK_DRAG_PARENT } from '../drag-parent';
import { assertElementNode } from './assertions';
import * as i0 from "@angular/core";
/**
* 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.
*/
export const CDK_DRAG_HANDLE = new InjectionToken('CdkDragHandle');
/** Handle that can be used to drag a CdkDrag instance. */
export class CdkDragHandle {
constructor(element, parentDrag) {
this.element = element;
/** Emits when the state of the handle has changed. */
this._stateChanges = new Subject();
this._disabled = false;
if (typeof ngDevMode === 'undefined' || ngDevMode) {
assertElementNode(element.nativeElement, 'cdkDragHandle');
}
this._parentDrag = parentDrag;
}
/** Whether starting to drag through this handle is disabled. */
get disabled() {
return this._disabled;
}
set disabled(value) {
this._disabled = coerceBooleanProperty(value);
this._stateChanges.next(this);
}
ngOnDestroy() {
this._stateChanges.complete();
}
}
CdkDragHandle.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.0.1", ngImport: i0, type: CdkDragHandle, deps: [{ token: i0.ElementRef }, { token: CDK_DRAG_PARENT, optional: true, skipSelf: true }], target: i0.ɵɵFactoryTarget.Directive });
CdkDragHandle.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "12.0.0", version: "13.0.1", type: CdkDragHandle, selector: "[cdkDragHandle]", inputs: { disabled: ["cdkDragHandleDisabled", "disabled"] }, host: { classAttribute: "cdk-drag-handle" }, providers: [{ provide: CDK_DRAG_HANDLE, useExisting: CdkDragHandle }], ngImport: i0 });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.0.1", ngImport: i0, type: CdkDragHandle, decorators: [{
type: Directive,
args: [{
selector: '[cdkDragHandle]',
host: {
'class': 'cdk-drag-handle',
},
providers: [{ provide: CDK_DRAG_HANDLE, useExisting: CdkDragHandle }],
}]
}], ctorParameters: function () { return [{ type: i0.ElementRef }, { type: undefined, decorators: [{
type: Inject,
args: [CDK_DRAG_PARENT]
}, {
type: Optional
}, {
type: SkipSelf
}] }]; }, propDecorators: { disabled: [{
type: Input,
args: ['cdkDragHandleDisabled']
}] } });
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