[6a3a178] | 1 | /**
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| 2 | * @license
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| 3 | * Copyright Google LLC All Rights Reserved.
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| 4 | *
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| 5 | * Use of this source code is governed by an MIT-style license that can be
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| 6 | * found in the LICENSE file at https://angular.io/license
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| 7 | */
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| 8 | import { Output, Directive, EventEmitter, Input, Optional, ChangeDetectorRef, SkipSelf, Inject, } from '@angular/core';
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| 9 | import { UniqueSelectionDispatcher } from '@angular/cdk/collections';
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| 10 | import { CDK_ACCORDION, CdkAccordion } from './accordion';
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| 11 | import { coerceBooleanProperty } from '@angular/cdk/coercion';
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| 12 | import { Subscription } from 'rxjs';
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| 13 | /** Used to generate unique ID for each accordion item. */
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| 14 | let nextId = 0;
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| 15 | const ɵ0 = undefined;
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| 16 | /**
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| 17 | * An basic directive expected to be extended and decorated as a component. Sets up all
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| 18 | * events and attributes needed to be managed by a CdkAccordion parent.
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| 19 | */
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| 20 | export class CdkAccordionItem {
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| 21 | constructor(accordion, _changeDetectorRef, _expansionDispatcher) {
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| 22 | this.accordion = accordion;
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| 23 | this._changeDetectorRef = _changeDetectorRef;
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| 24 | this._expansionDispatcher = _expansionDispatcher;
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| 25 | /** Subscription to openAll/closeAll events. */
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| 26 | this._openCloseAllSubscription = Subscription.EMPTY;
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| 27 | /** Event emitted every time the AccordionItem is closed. */
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| 28 | this.closed = new EventEmitter();
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| 29 | /** Event emitted every time the AccordionItem is opened. */
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| 30 | this.opened = new EventEmitter();
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| 31 | /** Event emitted when the AccordionItem is destroyed. */
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| 32 | this.destroyed = new EventEmitter();
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| 33 | /**
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| 34 | * Emits whenever the expanded state of the accordion changes.
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| 35 | * Primarily used to facilitate two-way binding.
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| 36 | * @docs-private
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| 37 | */
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| 38 | this.expandedChange = new EventEmitter();
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| 39 | /** The unique AccordionItem id. */
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| 40 | this.id = `cdk-accordion-child-${nextId++}`;
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| 41 | this._expanded = false;
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| 42 | this._disabled = false;
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| 43 | /** Unregister function for _expansionDispatcher. */
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| 44 | this._removeUniqueSelectionListener = () => { };
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| 45 | this._removeUniqueSelectionListener =
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| 46 | _expansionDispatcher.listen((id, accordionId) => {
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| 47 | if (this.accordion && !this.accordion.multi &&
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| 48 | this.accordion.id === accordionId && this.id !== id) {
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| 49 | this.expanded = false;
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| 50 | }
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| 51 | });
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| 52 | // When an accordion item is hosted in an accordion, subscribe to open/close events.
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| 53 | if (this.accordion) {
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| 54 | this._openCloseAllSubscription = this._subscribeToOpenCloseAllActions();
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| 55 | }
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| 56 | }
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| 57 | /** Whether the AccordionItem is expanded. */
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| 58 | get expanded() { return this._expanded; }
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| 59 | set expanded(expanded) {
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| 60 | expanded = coerceBooleanProperty(expanded);
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| 61 | // Only emit events and update the internal value if the value changes.
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| 62 | if (this._expanded !== expanded) {
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| 63 | this._expanded = expanded;
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| 64 | this.expandedChange.emit(expanded);
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| 65 | if (expanded) {
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| 66 | this.opened.emit();
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| 67 | /**
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| 68 | * In the unique selection dispatcher, the id parameter is the id of the CdkAccordionItem,
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| 69 | * the name value is the id of the accordion.
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| 70 | */
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| 71 | const accordionId = this.accordion ? this.accordion.id : this.id;
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| 72 | this._expansionDispatcher.notify(this.id, accordionId);
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| 73 | }
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| 74 | else {
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| 75 | this.closed.emit();
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| 76 | }
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| 77 | // Ensures that the animation will run when the value is set outside of an `@Input`.
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| 78 | // This includes cases like the open, close and toggle methods.
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| 79 | this._changeDetectorRef.markForCheck();
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| 80 | }
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| 81 | }
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| 82 | /** Whether the AccordionItem is disabled. */
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| 83 | get disabled() { return this._disabled; }
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| 84 | set disabled(disabled) { this._disabled = coerceBooleanProperty(disabled); }
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| 85 | /** Emits an event for the accordion item being destroyed. */
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| 86 | ngOnDestroy() {
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| 87 | this.opened.complete();
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| 88 | this.closed.complete();
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| 89 | this.destroyed.emit();
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| 90 | this.destroyed.complete();
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| 91 | this._removeUniqueSelectionListener();
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| 92 | this._openCloseAllSubscription.unsubscribe();
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| 93 | }
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| 94 | /** Toggles the expanded state of the accordion item. */
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| 95 | toggle() {
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| 96 | if (!this.disabled) {
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| 97 | this.expanded = !this.expanded;
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| 98 | }
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| 99 | }
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| 100 | /** Sets the expanded state of the accordion item to false. */
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| 101 | close() {
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| 102 | if (!this.disabled) {
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| 103 | this.expanded = false;
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| 104 | }
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| 105 | }
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| 106 | /** Sets the expanded state of the accordion item to true. */
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| 107 | open() {
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| 108 | if (!this.disabled) {
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| 109 | this.expanded = true;
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| 110 | }
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| 111 | }
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| 112 | _subscribeToOpenCloseAllActions() {
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| 113 | return this.accordion._openCloseAllActions.subscribe(expanded => {
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| 114 | // Only change expanded state if item is enabled
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| 115 | if (!this.disabled) {
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| 116 | this.expanded = expanded;
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| 117 | }
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| 118 | });
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| 119 | }
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| 120 | }
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| 121 | CdkAccordionItem.decorators = [
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| 122 | { type: Directive, args: [{
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| 123 | selector: 'cdk-accordion-item, [cdkAccordionItem]',
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| 124 | exportAs: 'cdkAccordionItem',
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| 125 | providers: [
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| 126 | // Provide `CDK_ACCORDION` as undefined to prevent nested accordion items from
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| 127 | // registering to the same accordion.
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| 128 | { provide: CDK_ACCORDION, useValue: ɵ0 },
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| 129 | ],
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| 130 | },] }
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| 131 | ];
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| 132 | CdkAccordionItem.ctorParameters = () => [
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| 133 | { type: CdkAccordion, decorators: [{ type: Optional }, { type: Inject, args: [CDK_ACCORDION,] }, { type: SkipSelf }] },
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| 134 | { type: ChangeDetectorRef },
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| 135 | { type: UniqueSelectionDispatcher }
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| 136 | ];
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| 137 | CdkAccordionItem.propDecorators = {
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| 138 | closed: [{ type: Output }],
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| 139 | opened: [{ type: Output }],
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| 140 | destroyed: [{ type: Output }],
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| 141 | expandedChange: [{ type: Output }],
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| 142 | expanded: [{ type: Input }],
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| 143 | disabled: [{ type: Input }]
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| 144 | };
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| 145 | export { ɵ0 };
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| 146 | //# sourceMappingURL=data:application/json;base64,{"version":3,"file":"accordion-item.js","sourceRoot":"","sources":["../../../../../../src/cdk/accordion/accordion-item.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AAEH,OAAO,EACL,MAAM,EACN,SAAS,EACT,YAAY,EACZ,KAAK,EAEL,QAAQ,EACR,iBAAiB,EACjB,QAAQ,EACR,MAAM,GACP,MAAM,eAAe,CAAC;AACvB,OAAO,EAAC,yBAAyB,EAAC,MAAM,0BAA0B,CAAC;AACnE,OAAO,EAAC,aAAa,EAAE,YAAY,EAAC,MAAM,aAAa,CAAC;AACxD,OAAO,EAAe,qBAAqB,EAAC,MAAM,uBAAuB,CAAC;AAC1E,OAAO,EAAC,YAAY,EAAC,MAAM,MAAM,CAAC;AAElC,0DAA0D;AAC1D,IAAI,MAAM,GAAG,CAAC,CAAC;WAYwB,SAAS;AAVhD;;;GAGG;AAUH,MAAM,OAAO,gBAAgB;IA2D3B,YAAkE,SAAuB,EACrE,kBAAqC,EACnC,oBAA+C;QAFH,cAAS,GAAT,SAAS,CAAc;QACrE,uBAAkB,GAAlB,kBAAkB,CAAmB;QACnC,yBAAoB,GAApB,oBAAoB,CAA2B;QA5DrE,+CAA+C;QACvC,8BAAyB,GAAG,YAAY,CAAC,KAAK,CAAC;QACvD,4DAA4D;QACzC,WAAM,GAAuB,IAAI,YAAY,EAAQ,CAAC;QACzE,4DAA4D;QACzC,WAAM,GAAuB,IAAI,YAAY,EAAQ,CAAC;QACzE,yDAAyD;QACtC,cAAS,GAAuB,IAAI,YAAY,EAAQ,CAAC;QAE5E;;;;WAIG;QACgB,mBAAc,GAA0B,IAAI,YAAY,EAAW,CAAC;QAEvF,mCAAmC;QAC1B,OAAE,GAAW,uBAAuB,MAAM,EAAE,EAAE,CAAC;QA8BhD,cAAS,GAAG,KAAK,CAAC;QAMlB,cAAS,GAAG,KAAK,CAAC;QAE1B,oDAAoD;QAC5C,mCAA8B,GAAe,GAAG,EAAE,GAAE,CAAC,CAAC;QAK5D,IAAI,CAAC,8BAA8B;YACjC,oBAAoB,CAAC,MAAM,CAAC,CAAC,EAAU,EAAE,WAAmB,EAAE,EAAE;gBAC9D,IAAI,IAAI,CAAC,SAAS,IAAI,CAAC,IAAI,CAAC,SAAS,CAAC,KAAK;oBACvC,IAAI,CAAC,SAAS,CAAC,EAAE,KAAK,WAAW,IAAI,IAAI,CAAC,EAAE,KAAK,EAAE,EAAE;oBACvD,IAAI,CAAC,QAAQ,GAAG,KAAK,CAAC;iBACvB;YACH,CAAC,CAAC,CAAC;QAEL,oFAAoF;QACpF,IAAI,IAAI,CAAC,SAAS,EAAE;YAClB,IAAI,CAAC,yBAAyB,GAAG,IAAI,CAAC,+BAA+B,EAAE,CAAC;SACzE;IACH,CAAC;IAtDD,6CAA6C;IAC7C,IACI,QAAQ,KAAc,OAAO,IAAI,CAAC,SAAS,CAAC,CAAC,CAAC;IAClD,IAAI,QAAQ,CAAC,QAAiB;QAC5B,QAAQ,GAAG,qBAAqB,CAAC,QAAQ,CAAC,CAAC;QAE3C,uEAAuE;QACvE,IAAI,IAAI,CAAC,SAAS,KAAK,QAAQ,EAAE;YAC/B,IAAI,CAAC,SAAS,GAAG,QAAQ,CAAC;YAC1B,IAAI,CAAC,cAAc,CAAC,IAAI,CAAC,QAAQ,CAAC,CAAC;YAEnC,IAAI,QAAQ,EAAE;gBACZ,IAAI,CAAC,MAAM,CAAC,IAAI,EAAE,CAAC;gBACnB;;;mBAGG;gBACH,MAAM,WAAW,GAAG,IAAI,CAAC,SAAS,CAAC,CAAC,CAAC,IAAI,CAAC,SAAS,CAAC,EAAE,CAAC,CAAC,CAAC,IAAI,CAAC,EAAE,CAAC;gBACjE,IAAI,CAAC,oBAAoB,CAAC,MAAM,CAAC,IAAI,CAAC,EAAE,EAAE,WAAW,CAAC,CAAC;aACxD;iBAAM;gBACL,IAAI,CAAC,MAAM,CAAC,IAAI,EAAE,CAAC;aACpB;YAED,oFAAoF;YACpF,+DAA+D;YAC/D,IAAI,CAAC,kBAAkB,CAAC,YAAY,EAAE,CAAC;SACxC;IACH,CAAC;IAGD,6CAA6C;IAC7C,IACI,QAAQ,KAAc,OAAO,IAAI,CAAC,SAAS,CAAC,CAAC,CAAC;IAClD,IAAI,QAAQ,CAAC,QAAiB,IAAI,IAAI,CAAC,SAAS,GAAG,qBAAqB,CAAC,QAAQ,CAAC,CAAC,CAAC,CAAC;IAuBrF,6DAA6D;IAC7D,WAAW;QACT,IAAI,CAAC,MAAM,CAAC,QAAQ,EAAE,CAAC;QACvB,IAAI,CAAC,MAAM,CAAC,QAAQ,EAAE,CAAC;QACvB,IAAI,CAAC,SAAS,CAAC,IAAI,EAAE,CAAC;QACtB,IAAI,CAAC,SAAS,CAAC,QAAQ,EAAE,CAAC;QAC1B,IAAI,CAAC,8BAA8B,EAAE,CAAC;QACtC,IAAI,CAAC,yBAAyB,CAAC,WAAW,EAAE,CAAC;IAC/C,CAAC;IAED,wDAAwD;IACxD,MAAM;QACJ,IAAI,CAAC,IAAI,CAAC,QAAQ,EAAE;YAClB,IAAI,CAAC,QAAQ,GAAG,CAAC,IAAI,CAAC,QAAQ,CAAC;SAChC;IACH,CAAC;IAED,8DAA8D;IAC9D,KAAK;QACH,IAAI,CAAC,IAAI,CAAC,QAAQ,EAAE;YAClB,IAAI,CAAC,QAAQ,GAAG,KAAK,CAAC;SACvB;IACH,CAAC;IAED,6DAA6D;IAC7D,IAAI;QACF,IAAI,CAAC,IAAI,CAAC,QAAQ,EAAE;YAClB,IAAI,CAAC,QAAQ,GAAG,IAAI,CAAC;SACtB;IACH,CAAC;IAEO,+BAA+B;QACrC,OAAO,IAAI,CAAC,SAAS,CAAC,oBAAoB,CAAC,SAAS,CAAC,QAAQ,CAAC,EAAE;YAC9D,gDAAgD;YAChD,IAAI,CAAC,IAAI,CAAC,QAAQ,EAAE;gBAClB,IAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;aAC1B;QACH,CAAC,CAAC,CAAC;IACL,CAAC;;;YA3HF,SAAS,SAAC;gBACT,QAAQ,EAAE,wCAAwC;gBAClD,QAAQ,EAAE,kBAAkB;gBAC5B,SAAS,EAAE;oBACT,8EAA8E;oBAC9E,qCAAqC;oBACrC,EAAC,OAAO,EAAE,aAAa,EAAE,QAAQ,IAAW,EAAC;iBAC9C;aACF;;;YAnBsB,YAAY,uBA+EpB,QAAQ,YAAI,MAAM,SAAC,aAAa,cAAG,QAAQ;YApFxD,iBAAiB;YAIX,yBAAyB;;;qBAyB9B,MAAM;qBAEN,MAAM;wBAEN,MAAM;6BAON,MAAM;uBAMN,KAAK;uBA8BL,KAAK","sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {\n  Output,\n  Directive,\n  EventEmitter,\n  Input,\n  OnDestroy,\n  Optional,\n  ChangeDetectorRef,\n  SkipSelf,\n  Inject,\n} from '@angular/core';\nimport {UniqueSelectionDispatcher} from '@angular/cdk/collections';\nimport {CDK_ACCORDION, CdkAccordion} from './accordion';\nimport {BooleanInput, coerceBooleanProperty} from '@angular/cdk/coercion';\nimport {Subscription} from 'rxjs';\n\n/** Used to generate unique ID for each accordion item. */\nlet nextId = 0;\n\n/**\n * An basic directive expected to be extended and decorated as a component.  Sets up all\n * events and attributes needed to be managed by a CdkAccordion parent.\n */\n@Directive({\n  selector: 'cdk-accordion-item, [cdkAccordionItem]',\n  exportAs: 'cdkAccordionItem',\n  providers: [\n    // Provide `CDK_ACCORDION` as undefined to prevent nested accordion items from\n    // registering to the same accordion.\n    {provide: CDK_ACCORDION, useValue: undefined},\n  ],\n})\nexport class CdkAccordionItem implements OnDestroy {\n  /** Subscription to openAll/closeAll events. */\n  private _openCloseAllSubscription = Subscription.EMPTY;\n  /** Event emitted every time the AccordionItem is closed. */\n  @Output() readonly closed: EventEmitter<void> = new EventEmitter<void>();\n  /** Event emitted every time the AccordionItem is opened. */\n  @Output() readonly opened: EventEmitter<void> = new EventEmitter<void>();\n  /** Event emitted when the AccordionItem is destroyed. */\n  @Output() readonly destroyed: EventEmitter<void> = new EventEmitter<void>();\n\n  /**\n   * Emits whenever the expanded state of the accordion changes.\n   * Primarily used to facilitate two-way binding.\n   * @docs-private\n   */\n  @Output() readonly expandedChange: EventEmitter<boolean> = new EventEmitter<boolean>();\n\n  /** The unique AccordionItem id. */\n  readonly id: string = `cdk-accordion-child-${nextId++}`;\n\n  /** Whether the AccordionItem is expanded. */\n  @Input()\n  get expanded(): boolean { return this._expanded; }\n  set expanded(expanded: boolean) {\n    expanded = coerceBooleanProperty(expanded);\n\n    // Only emit events and update the internal value if the value changes.\n    if (this._expanded !== expanded) {\n      this._expanded = expanded;\n      this.expandedChange.emit(expanded);\n\n      if (expanded) {\n        this.opened.emit();\n        /**\n         * In the unique selection dispatcher, the id parameter is the id of the CdkAccordionItem,\n         * the name value is the id of the accordion.\n         */\n        const accordionId = this.accordion ? this.accordion.id : this.id;\n        this._expansionDispatcher.notify(this.id, accordionId);\n      } else {\n        this.closed.emit();\n      }\n\n      // Ensures that the animation will run when the value is set outside of an `@Input`.\n      // This includes cases like the open, close and toggle methods.\n      this._changeDetectorRef.markForCheck();\n    }\n  }\n  private _expanded = false;\n\n  /** Whether the AccordionItem is disabled. */\n  @Input()\n  get disabled(): boolean { return this._disabled; }\n  set disabled(disabled: boolean) { this._disabled = coerceBooleanProperty(disabled); }\n  private _disabled = false;\n\n  /** Unregister function for _expansionDispatcher. */\n  private _removeUniqueSelectionListener: () => void = () => {};\n\n  constructor(@Optional() @Inject(CDK_ACCORDION) @SkipSelf() public accordion: CdkAccordion,\n              private _changeDetectorRef: ChangeDetectorRef,\n              protected _expansionDispatcher: UniqueSelectionDispatcher) {\n    this._removeUniqueSelectionListener =\n      _expansionDispatcher.listen((id: string, accordionId: string) => {\n        if (this.accordion && !this.accordion.multi &&\n            this.accordion.id === accordionId && this.id !== id) {\n          this.expanded = false;\n        }\n      });\n\n    // When an accordion item is hosted in an accordion, subscribe to open/close events.\n    if (this.accordion) {\n      this._openCloseAllSubscription = this._subscribeToOpenCloseAllActions();\n    }\n  }\n\n  /** Emits an event for the accordion item being destroyed. */\n  ngOnDestroy() {\n    this.opened.complete();\n    this.closed.complete();\n    this.destroyed.emit();\n    this.destroyed.complete();\n    this._removeUniqueSelectionListener();\n    this._openCloseAllSubscription.unsubscribe();\n  }\n\n  /** Toggles the expanded state of the accordion item. */\n  toggle(): void {\n    if (!this.disabled) {\n      this.expanded = !this.expanded;\n    }\n  }\n\n  /** Sets the expanded state of the accordion item to false. */\n  close(): void {\n    if (!this.disabled) {\n      this.expanded = false;\n    }\n  }\n\n  /** Sets the expanded state of the accordion item to true. */\n  open(): void {\n    if (!this.disabled) {\n      this.expanded = true;\n    }\n  }\n\n  private _subscribeToOpenCloseAllActions(): Subscription {\n    return this.accordion._openCloseAllActions.subscribe(expanded => {\n      // Only change expanded state if item is enabled\n      if (!this.disabled) {\n        this.expanded = expanded;\n      }\n    });\n  }\n\n  static ngAcceptInputType_expanded: BooleanInput;\n  static ngAcceptInputType_disabled: BooleanInput;\n}\n"]} |
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