@clr/angular
Version:
Angular components for Clarity
141 lines • 27.1 kB
JavaScript
/*
* Copyright (c) 2016-2025 Broadcom. All Rights Reserved.
* The term "Broadcom" refers to Broadcom Inc. and/or its subsidiaries.
* This software is released under MIT license.
* The full license information can be found in LICENSE in the root directory of this project.
*/
import { ChangeDetectionStrategy, Component, ContentChildren, EventEmitter, HostBinding, Input, Optional, Output, SkipSelf, } from '@angular/core';
import { tap } from 'rxjs/operators';
import { IfExpandService } from '../utils/conditional/if-expanded.service';
import { uniqueIdFactory } from '../utils/id-generator/id-generator.service';
import { ClrAccordionDescription } from './accordion-description';
import { panelAnimation } from './utils/animation';
import * as i0 from "@angular/core";
import * as i1 from "../utils/i18n/common-strings.service";
import * as i2 from "./providers/accordion.service";
import * as i3 from "../utils/conditional/if-expanded.service";
import * as i4 from "@angular/common";
import * as i5 from "../icon/icon";
export class ClrAccordionPanel {
constructor(parent, commonStrings, accordionService, ifExpandService, cdr) {
this.parent = parent;
this.commonStrings = commonStrings;
this.accordionService = accordionService;
this.ifExpandService = ifExpandService;
this.cdr = cdr;
this.disabled = false;
this.panelOpen = false;
this.headingEnabled = false;
this.panelOpenChange = new EventEmitter();
this._id = uniqueIdFactory();
}
get id() {
return this._id;
}
set id(value) {
this._id = value;
}
get panelNumber() {
return this._panelIndex + 1;
}
get headingLevel() {
if (this.explicitHeadingLevel) {
return this.explicitHeadingLevel;
}
return this.parent ? 4 : 3;
}
ngOnInit() {
this.panel = this.accordionService.getPanelChanges(this.id).pipe(tap(panel => this.emitPanelChange(panel)));
this.accordionService.addPanel(this.id, this.panelOpen);
this.accordionService.togglePanel(this.id, this.panelOpen);
this.accordionService.disablePanel(this.id, this.disabled);
}
ngOnChanges(changes) {
if (this.panel && changes.panelOpen && changes.panelOpen.currentValue !== changes.panelOpen.previousValue) {
this.accordionService.togglePanel(this.id, changes.panelOpen.currentValue);
}
if (this.panel && changes.disabled && changes.disabled.currentValue !== changes.disabled.previousValue) {
this.accordionService.disablePanel(this.id, changes.disabled.currentValue);
}
}
togglePanel() {
this.accordionService.togglePanel(this.id);
}
collapsePanelOnAnimationDone(panel) {
if (!panel.open) {
this.ifExpandService.expanded = false;
}
}
getPanelStateClasses(panel) {
return `clr-accordion-panel-${panel.status} ${panel.open ? 'clr-accordion-panel-open' : ''}`;
}
getAccordionContentId(id) {
return `clr-accordion-content-${id}'`;
}
getAccordionHeaderId(id) {
return `clr-accordion-header-${id}`;
}
stepCompleteText(panelNumber) {
return this.commonStrings.parse(this.commonStrings.keys.stepComplete, { STEP: panelNumber.toString() });
}
stepErrorText(panelNumber) {
return this.commonStrings.parse(this.commonStrings.keys.stepError, { STEP: panelNumber.toString() });
}
emitPanelChange(panel) {
if (panel.index !== this._panelIndex) {
this._panelIndex = panel.index;
// The whole chain of updates leading to this line starts in a ngAfterViewInit subscription in accordion.ts,
// listening for DOM changes. It seems to only fails in tests, but as this is not a frequently called code,
// I prefer to stay on the safe side and initiate a detection cycle here.
this.cdr.detectChanges();
}
if (panel.open !== this.panelOpen) {
this.panelOpenChange.emit(panel.open);
/**
* @Note: this line below is needed because we don't want to use another value to track
* for changes of the panel. Because we use BehaviorSubject this emit event is trigger on
* init (that is not needed - there is no change of the original value) - in some cases this
* lead to duplicate events.
*
* To prevent this we try to emit only when the value is changed and keep the value in sync
* even that is used only into the Initial Lifecycle (ngOnInit).
*/
this.panelOpen = panel.open;
}
if (panel.open) {
this.ifExpandService.expanded = true;
}
}
}
ClrAccordionPanel.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.2.2", ngImport: i0, type: ClrAccordionPanel, deps: [{ token: ClrAccordionPanel, optional: true, skipSelf: true }, { token: i1.ClrCommonStringsService }, { token: i2.AccordionService }, { token: i3.IfExpandService }, { token: i0.ChangeDetectorRef }], target: i0.ɵɵFactoryTarget.Component });
ClrAccordionPanel.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "15.2.2", type: ClrAccordionPanel, selector: "clr-accordion-panel", inputs: { disabled: ["clrAccordionPanelDisabled", "disabled"], panelOpen: ["clrAccordionPanelOpen", "panelOpen"], headingEnabled: ["clrAccordionPanelHeadingEnabled", "headingEnabled"], explicitHeadingLevel: ["clrAccordionPanelHeadingLevel", "explicitHeadingLevel"] }, outputs: { panelOpenChange: "clrAccordionPanelOpenChange" }, host: { properties: { "class.clr-accordion-panel": "true", "class.clr-accordion-panel-disabled": "this.disabled" } }, providers: [IfExpandService], queries: [{ propertyName: "accordionDescription", predicate: ClrAccordionDescription }], usesOnChanges: true, ngImport: i0, template: "<ng-container *ngIf=\"panel | async; let panel\">\n <div [ngClass]=\"getPanelStateClasses(panel)\">\n <div\n class=\"clr-accordion-header\"\n [attr.role]=\"headingEnabled || explicitHeadingLevel ? 'heading' : null\"\n [attr.aria-level]=\"headingEnabled || explicitHeadingLevel ? headingLevel : null\"\n >\n <button\n type=\"button\"\n class=\"clr-accordion-header-button\"\n (click)=\"togglePanel()\"\n [id]=\"getAccordionHeaderId(panel.templateId)\"\n [disabled]=\"panel.disabled\"\n [attr.aria-controls]=\"!panel.disabled && panel.open ? getAccordionContentId(panel.templateId) : null\"\n [attr.aria-expanded]=\"panel.open\"\n [class.clr-accordion-header-has-description]=\"(accordionDescription.changes | async)?.length || accordionDescription.length\"\n #headerButton\n >\n <span class=\"clr-accordion-status\">\n <cds-icon shape=\"angle\" direction=\"right\" class=\"clr-accordion-angle\"></cds-icon>\n </span>\n <ng-content select=\"clr-accordion-title, clr-step-title\"></ng-content>\n <ng-content select=\"clr-accordion-description, clr-step-description\"></ng-content>\n </button>\n </div>\n <div\n @skipInitialRender\n role=\"region\"\n class=\"clr-accordion-content-region\"\n [id]=\"getAccordionContentId(panel.templateId)\"\n [attr.aria-hidden]=\"!panel.open\"\n [attr.aria-labelledby]=\"getAccordionHeaderId(panel.templateId)\"\n >\n <div\n *ngIf=\"panel.open\"\n @toggle\n (@toggle.done)=\"collapsePanelOnAnimationDone(panel)\"\n class=\"clr-accordion-content\"\n >\n <div class=\"clr-accordion-inner-content\">\n <ng-content></ng-content>\n </div>\n </div>\n </div>\n </div>\n</ng-container>\n", dependencies: [{ kind: "directive", type: i4.NgClass, selector: "[ngClass]", inputs: ["class", "ngClass"] }, { kind: "directive", type: i4.NgIf, selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }, { kind: "directive", type: i5.CdsIconCustomTag, selector: "cds-icon" }, { kind: "pipe", type: i4.AsyncPipe, name: "async" }], animations: panelAnimation, changeDetection: i0.ChangeDetectionStrategy.OnPush });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.2.2", ngImport: i0, type: ClrAccordionPanel, decorators: [{
type: Component,
args: [{ selector: 'clr-accordion-panel', host: { '[class.clr-accordion-panel]': 'true' }, changeDetection: ChangeDetectionStrategy.OnPush, animations: panelAnimation, providers: [IfExpandService], template: "<ng-container *ngIf=\"panel | async; let panel\">\n <div [ngClass]=\"getPanelStateClasses(panel)\">\n <div\n class=\"clr-accordion-header\"\n [attr.role]=\"headingEnabled || explicitHeadingLevel ? 'heading' : null\"\n [attr.aria-level]=\"headingEnabled || explicitHeadingLevel ? headingLevel : null\"\n >\n <button\n type=\"button\"\n class=\"clr-accordion-header-button\"\n (click)=\"togglePanel()\"\n [id]=\"getAccordionHeaderId(panel.templateId)\"\n [disabled]=\"panel.disabled\"\n [attr.aria-controls]=\"!panel.disabled && panel.open ? getAccordionContentId(panel.templateId) : null\"\n [attr.aria-expanded]=\"panel.open\"\n [class.clr-accordion-header-has-description]=\"(accordionDescription.changes | async)?.length || accordionDescription.length\"\n #headerButton\n >\n <span class=\"clr-accordion-status\">\n <cds-icon shape=\"angle\" direction=\"right\" class=\"clr-accordion-angle\"></cds-icon>\n </span>\n <ng-content select=\"clr-accordion-title, clr-step-title\"></ng-content>\n <ng-content select=\"clr-accordion-description, clr-step-description\"></ng-content>\n </button>\n </div>\n <div\n @skipInitialRender\n role=\"region\"\n class=\"clr-accordion-content-region\"\n [id]=\"getAccordionContentId(panel.templateId)\"\n [attr.aria-hidden]=\"!panel.open\"\n [attr.aria-labelledby]=\"getAccordionHeaderId(panel.templateId)\"\n >\n <div\n *ngIf=\"panel.open\"\n @toggle\n (@toggle.done)=\"collapsePanelOnAnimationDone(panel)\"\n class=\"clr-accordion-content\"\n >\n <div class=\"clr-accordion-inner-content\">\n <ng-content></ng-content>\n </div>\n </div>\n </div>\n </div>\n</ng-container>\n" }]
}], ctorParameters: function () { return [{ type: ClrAccordionPanel, decorators: [{
type: Optional
}, {
type: SkipSelf
}] }, { type: i1.ClrCommonStringsService }, { type: i2.AccordionService }, { type: i3.IfExpandService }, { type: i0.ChangeDetectorRef }]; }, propDecorators: { disabled: [{
type: Input,
args: ['clrAccordionPanelDisabled']
}, {
type: HostBinding,
args: ['class.clr-accordion-panel-disabled']
}], panelOpen: [{
type: Input,
args: ['clrAccordionPanelOpen']
}], headingEnabled: [{
type: Input,
args: ['clrAccordionPanelHeadingEnabled']
}], explicitHeadingLevel: [{
type: Input,
args: ['clrAccordionPanelHeadingLevel']
}], panelOpenChange: [{
type: Output,
args: ['clrAccordionPanelOpenChange']
}], accordionDescription: [{
type: ContentChildren,
args: [ClrAccordionDescription]
}] } });
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All Rights Reserved.\n * The term \"Broadcom\" refers to Broadcom Inc. and/or its subsidiaries.\n * This software is released under MIT license.\n * The full license information can be found in LICENSE in the root directory of this project.\n */\n\nimport {\n  ChangeDetectionStrategy,\n  ChangeDetectorRef,\n  Component,\n  ContentChildren,\n  EventEmitter,\n  HostBinding,\n  Input,\n  OnChanges,\n  OnInit,\n  Optional,\n  Output,\n  QueryList,\n  SimpleChanges,\n  SkipSelf,\n} from '@angular/core';\nimport { Observable } from 'rxjs';\nimport { tap } from 'rxjs/operators';\n\nimport { IfExpandService } from '../utils/conditional/if-expanded.service';\nimport { ClrCommonStringsService } from '../utils/i18n/common-strings.service';\nimport { uniqueIdFactory } from '../utils/id-generator/id-generator.service';\nimport { HeadingLevel } from '../wizard';\nimport { ClrAccordionDescription } from './accordion-description';\nimport { AccordionPanelModel } from './models/accordion.model';\nimport { AccordionService } from './providers/accordion.service';\nimport { panelAnimation } from './utils/animation';\n\n@Component({\n  selector: 'clr-accordion-panel',\n  templateUrl: './accordion-panel.html',\n  host: { '[class.clr-accordion-panel]': 'true' },\n  changeDetection: ChangeDetectionStrategy.OnPush,\n  animations: panelAnimation,\n  providers: [IfExpandService],\n})\nexport class ClrAccordionPanel implements OnInit, OnChanges {\n  @Input('clrAccordionPanelDisabled') @HostBinding('class.clr-accordion-panel-disabled') disabled = false;\n  @Input('clrAccordionPanelOpen') panelOpen = false;\n\n  @Input('clrAccordionPanelHeadingEnabled') headingEnabled = false;\n  /**\n   * Level of the accordion/stepper heading from 1 to 6.\n   */\n  @Input('clrAccordionPanelHeadingLevel') explicitHeadingLevel: HeadingLevel;\n\n  @Output('clrAccordionPanelOpenChange') panelOpenChange = new EventEmitter<boolean>();\n\n  @ContentChildren(ClrAccordionDescription) accordionDescription: QueryList<ClrAccordionDescription>;\n\n  panel: Observable<AccordionPanelModel>;\n\n  private _id = uniqueIdFactory();\n  private _panelIndex: number;\n\n  constructor(\n    @Optional() @SkipSelf() private parent: ClrAccordionPanel,\n    public commonStrings: ClrCommonStringsService,\n    private accordionService: AccordionService,\n    private ifExpandService: IfExpandService,\n    private cdr: ChangeDetectorRef\n  ) {}\n\n  get id(): string {\n    return this._id;\n  }\n  set id(value: string) {\n    this._id = value;\n  }\n\n  get panelNumber() {\n    return this._panelIndex + 1;\n  }\n\n  get headingLevel() {\n    if (this.explicitHeadingLevel) {\n      return this.explicitHeadingLevel;\n    }\n\n    return this.parent ? 4 : 3;\n  }\n\n  ngOnInit() {\n    this.panel = this.accordionService.getPanelChanges(this.id).pipe(tap(panel => this.emitPanelChange(panel)));\n    this.accordionService.addPanel(this.id, this.panelOpen);\n    this.accordionService.togglePanel(this.id, this.panelOpen);\n    this.accordionService.disablePanel(this.id, this.disabled);\n  }\n\n  ngOnChanges(changes: SimpleChanges) {\n    if (this.panel && changes.panelOpen && changes.panelOpen.currentValue !== changes.panelOpen.previousValue) {\n      this.accordionService.togglePanel(this.id, changes.panelOpen.currentValue);\n    }\n\n    if (this.panel && changes.disabled && changes.disabled.currentValue !== changes.disabled.previousValue) {\n      this.accordionService.disablePanel(this.id, changes.disabled.currentValue);\n    }\n  }\n\n  togglePanel() {\n    this.accordionService.togglePanel(this.id);\n  }\n\n  collapsePanelOnAnimationDone(panel: AccordionPanelModel) {\n    if (!panel.open) {\n      this.ifExpandService.expanded = false;\n    }\n  }\n\n  getPanelStateClasses(panel: AccordionPanelModel) {\n    return `clr-accordion-panel-${panel.status} ${panel.open ? 'clr-accordion-panel-open' : ''}`;\n  }\n\n  getAccordionContentId(id: string) {\n    return `clr-accordion-content-${id}'`;\n  }\n\n  getAccordionHeaderId(id: string) {\n    return `clr-accordion-header-${id}`;\n  }\n\n  protected stepCompleteText(panelNumber: number) {\n    return this.commonStrings.parse(this.commonStrings.keys.stepComplete, { STEP: panelNumber.toString() });\n  }\n\n  protected stepErrorText(panelNumber: number) {\n    return this.commonStrings.parse(this.commonStrings.keys.stepError, { STEP: panelNumber.toString() });\n  }\n\n  private emitPanelChange(panel: AccordionPanelModel) {\n    if (panel.index !== this._panelIndex) {\n      this._panelIndex = panel.index;\n      // The whole chain of updates leading to this line starts in a ngAfterViewInit subscription in accordion.ts,\n      // listening for DOM changes. It seems to only fails in tests, but as this is not a frequently called code,\n      // I prefer to stay on the safe side and initiate a detection cycle here.\n      this.cdr.detectChanges();\n    }\n\n    if (panel.open !== this.panelOpen) {\n      this.panelOpenChange.emit(panel.open);\n      /**\n       * @Note: this line below is needed because we don't want to use another value to track\n       * for changes of the panel. Because we use BehaviorSubject this emit event is trigger on\n       * init (that is not needed - there is no change of the original value) - in some cases this\n       * lead to duplicate events.\n       *\n       * To prevent this we try to emit only when the value is changed and keep the value in sync\n       * even that is used only into the Initial Lifecycle (ngOnInit).\n       */\n      this.panelOpen = panel.open;\n    }\n\n    if (panel.open) {\n      this.ifExpandService.expanded = true;\n    }\n  }\n}\n","<ng-container *ngIf=\"panel | async; let panel\">\n  <div [ngClass]=\"getPanelStateClasses(panel)\">\n    <div\n      class=\"clr-accordion-header\"\n      [attr.role]=\"headingEnabled || explicitHeadingLevel ? 'heading' : null\"\n      [attr.aria-level]=\"headingEnabled || explicitHeadingLevel ? headingLevel : null\"\n    >\n      <button\n        type=\"button\"\n        class=\"clr-accordion-header-button\"\n        (click)=\"togglePanel()\"\n        [id]=\"getAccordionHeaderId(panel.templateId)\"\n        [disabled]=\"panel.disabled\"\n        [attr.aria-controls]=\"!panel.disabled && panel.open ? getAccordionContentId(panel.templateId) : null\"\n        [attr.aria-expanded]=\"panel.open\"\n        [class.clr-accordion-header-has-description]=\"(accordionDescription.changes | async)?.length || accordionDescription.length\"\n        #headerButton\n      >\n        <span class=\"clr-accordion-status\">\n          <cds-icon shape=\"angle\" direction=\"right\" class=\"clr-accordion-angle\"></cds-icon>\n        </span>\n        <ng-content select=\"clr-accordion-title, clr-step-title\"></ng-content>\n        <ng-content select=\"clr-accordion-description, clr-step-description\"></ng-content>\n      </button>\n    </div>\n    <div\n      @skipInitialRender\n      role=\"region\"\n      class=\"clr-accordion-content-region\"\n      [id]=\"getAccordionContentId(panel.templateId)\"\n      [attr.aria-hidden]=\"!panel.open\"\n      [attr.aria-labelledby]=\"getAccordionHeaderId(panel.templateId)\"\n    >\n      <div\n        *ngIf=\"panel.open\"\n        @toggle\n        (@toggle.done)=\"collapsePanelOnAnimationDone(panel)\"\n        class=\"clr-accordion-content\"\n      >\n        <div class=\"clr-accordion-inner-content\">\n          <ng-content></ng-content>\n        </div>\n      </div>\n    </div>\n  </div>\n</ng-container>\n"]}