@angular/cdk
Version:
Angular Material Component Development Kit
251 lines (244 loc) • 9.87 kB
JavaScript
import { Directive, Input, EventEmitter, Optional, SkipSelf, ChangeDetectorRef, Output, NgModule } from '@angular/core';
import { UniqueSelectionDispatcher } from '@angular/cdk/collections';
import { coerceBooleanProperty } from '@angular/cdk/coercion';
import { Subject, Subscription } from 'rxjs';
/**
* @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
*/
/** Used to generate unique ID for each accordion. */
var nextId = 0;
/**
* Directive whose purpose is to manage the expanded state of CdkAccordionItem children.
*/
var CdkAccordion = /** @class */ (function () {
function CdkAccordion() {
/** Emits when the state of the accordion changes */
this._stateChanges = new Subject();
/** Stream that emits true/false when openAll/closeAll is triggered. */
this._openCloseAllActions = new Subject();
/** A readonly id value to use for unique selection coordination. */
this.id = "cdk-accordion-" + nextId++;
this._multi = false;
}
Object.defineProperty(CdkAccordion.prototype, "multi", {
/** Whether the accordion should allow multiple expanded accordion items simultaneously. */
get: function () { return this._multi; },
set: function (multi) { this._multi = coerceBooleanProperty(multi); },
enumerable: true,
configurable: true
});
/** Opens all enabled accordion items in an accordion where multi is enabled. */
CdkAccordion.prototype.openAll = function () {
this._openCloseAll(true);
};
/** Closes all enabled accordion items in an accordion where multi is enabled. */
CdkAccordion.prototype.closeAll = function () {
this._openCloseAll(false);
};
CdkAccordion.prototype.ngOnChanges = function (changes) {
this._stateChanges.next(changes);
};
CdkAccordion.prototype.ngOnDestroy = function () {
this._stateChanges.complete();
};
CdkAccordion.prototype._openCloseAll = function (expanded) {
if (this.multi) {
this._openCloseAllActions.next(expanded);
}
};
CdkAccordion.decorators = [
{ type: Directive, args: [{
selector: 'cdk-accordion, [cdkAccordion]',
exportAs: 'cdkAccordion',
},] }
];
CdkAccordion.propDecorators = {
multi: [{ type: Input }]
};
return CdkAccordion;
}());
/**
* @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
*/
/** Used to generate unique ID for each accordion item. */
var nextId$1 = 0;
var ɵ0 = undefined;
/**
* An basic directive expected to be extended and decorated as a component. Sets up all
* events and attributes needed to be managed by a CdkAccordion parent.
*/
var CdkAccordionItem = /** @class */ (function () {
function CdkAccordionItem(accordion, _changeDetectorRef, _expansionDispatcher) {
var _this = this;
this.accordion = accordion;
this._changeDetectorRef = _changeDetectorRef;
this._expansionDispatcher = _expansionDispatcher;
/** Subscription to openAll/closeAll events. */
this._openCloseAllSubscription = Subscription.EMPTY;
/** Event emitted every time the AccordionItem is closed. */
this.closed = new EventEmitter();
/** Event emitted every time the AccordionItem is opened. */
this.opened = new EventEmitter();
/** Event emitted when the AccordionItem is destroyed. */
this.destroyed = new EventEmitter();
/**
* Emits whenever the expanded state of the accordion changes.
* Primarily used to facilitate two-way binding.
* @docs-private
*/
this.expandedChange = new EventEmitter();
/** The unique AccordionItem id. */
this.id = "cdk-accordion-child-" + nextId$1++;
this._expanded = false;
this._disabled = false;
/** Unregister function for _expansionDispatcher. */
this._removeUniqueSelectionListener = function () { };
this._removeUniqueSelectionListener =
_expansionDispatcher.listen(function (id, accordionId) {
if (_this.accordion && !_this.accordion.multi &&
_this.accordion.id === accordionId && _this.id !== id) {
_this.expanded = false;
}
});
// When an accordion item is hosted in an accordion, subscribe to open/close events.
if (this.accordion) {
this._openCloseAllSubscription = this._subscribeToOpenCloseAllActions();
}
}
Object.defineProperty(CdkAccordionItem.prototype, "expanded", {
/** Whether the AccordionItem is expanded. */
get: function () { return this._expanded; },
set: function (expanded) {
expanded = coerceBooleanProperty(expanded);
// Only emit events and update the internal value if the value changes.
if (this._expanded !== expanded) {
this._expanded = expanded;
this.expandedChange.emit(expanded);
if (expanded) {
this.opened.emit();
/**
* In the unique selection dispatcher, the id parameter is the id of the CdkAccordionItem,
* the name value is the id of the accordion.
*/
var accordionId = this.accordion ? this.accordion.id : this.id;
this._expansionDispatcher.notify(this.id, accordionId);
}
else {
this.closed.emit();
}
// Ensures that the animation will run when the value is set outside of an `@Input`.
// This includes cases like the open, close and toggle methods.
this._changeDetectorRef.markForCheck();
}
},
enumerable: true,
configurable: true
});
Object.defineProperty(CdkAccordionItem.prototype, "disabled", {
/** Whether the AccordionItem is disabled. */
get: function () { return this._disabled; },
set: function (disabled) { this._disabled = coerceBooleanProperty(disabled); },
enumerable: true,
configurable: true
});
/** Emits an event for the accordion item being destroyed. */
CdkAccordionItem.prototype.ngOnDestroy = function () {
this.opened.complete();
this.closed.complete();
this.destroyed.emit();
this.destroyed.complete();
this._removeUniqueSelectionListener();
this._openCloseAllSubscription.unsubscribe();
};
/** Toggles the expanded state of the accordion item. */
CdkAccordionItem.prototype.toggle = function () {
if (!this.disabled) {
this.expanded = !this.expanded;
}
};
/** Sets the expanded state of the accordion item to false. */
CdkAccordionItem.prototype.close = function () {
if (!this.disabled) {
this.expanded = false;
}
};
/** Sets the expanded state of the accordion item to true. */
CdkAccordionItem.prototype.open = function () {
if (!this.disabled) {
this.expanded = true;
}
};
CdkAccordionItem.prototype._subscribeToOpenCloseAllActions = function () {
var _this = this;
return this.accordion._openCloseAllActions.subscribe(function (expanded) {
// Only change expanded state if item is enabled
if (!_this.disabled) {
_this.expanded = expanded;
}
});
};
CdkAccordionItem.decorators = [
{ type: Directive, args: [{
selector: 'cdk-accordion-item, [cdkAccordionItem]',
exportAs: 'cdkAccordionItem',
providers: [
// Provide CdkAccordion as undefined to prevent nested accordion items from registering
// to the same accordion.
{ provide: CdkAccordion, useValue: ɵ0 },
],
},] }
];
/** @nocollapse */
CdkAccordionItem.ctorParameters = function () { return [
{ type: CdkAccordion, decorators: [{ type: Optional }, { type: SkipSelf }] },
{ type: ChangeDetectorRef },
{ type: UniqueSelectionDispatcher }
]; };
CdkAccordionItem.propDecorators = {
closed: [{ type: Output }],
opened: [{ type: Output }],
destroyed: [{ type: Output }],
expandedChange: [{ type: Output }],
expanded: [{ type: Input }],
disabled: [{ type: Input }]
};
return CdkAccordionItem;
}());
/**
* @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 CdkAccordionModule = /** @class */ (function () {
function CdkAccordionModule() {
}
CdkAccordionModule.decorators = [
{ type: NgModule, args: [{
exports: [CdkAccordion, CdkAccordionItem],
declarations: [CdkAccordion, CdkAccordionItem],
},] }
];
return CdkAccordionModule;
}());
/**
* @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.
*/
export { CdkAccordion, CdkAccordionItem, CdkAccordionModule };
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