@clr/angular
Version:
Angular components for Clarity
162 lines • 26.6 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 { animate, state, style, transition, trigger } from '@angular/animations';
import { Component, EventEmitter, HostBinding, Input, Output } from '@angular/core';
import { IfExpandService } from '../../utils/conditional/if-expanded.service';
import { VerticalNavGroupService } from './providers/vertical-nav-group.service';
import * as i0 from "@angular/core";
import * as i1 from "../../utils/conditional/if-expanded.service";
import * as i2 from "./providers/vertical-nav-group-registration.service";
import * as i3 from "./providers/vertical-nav-group.service";
import * as i4 from "./providers/vertical-nav.service";
import * as i5 from "../../utils/i18n/common-strings.service";
import * as i6 from "../../icon/icon";
const EXPANDED_STATE = 'expanded';
const COLLAPSED_STATE = 'collapsed';
export class ClrVerticalNavGroup {
constructor(_itemExpand, _navGroupRegistrationService, navGroupService, _navService, commonStrings) {
this._itemExpand = _itemExpand;
this._navGroupRegistrationService = _navGroupRegistrationService;
this._navService = _navService;
this.commonStrings = commonStrings;
this.expandedChange = new EventEmitter(true);
this.wasExpanded = false;
this._subscriptions = [];
this._expandAnimationState = COLLAPSED_STATE;
_navGroupRegistrationService.registerNavGroup();
// FIXME: This subscription handles a corner case
// Vertical Nav collapse requires the animation to run first and then
// remove the nodes from the DOM. If the user directly sets the input
// on the clrIfExpanded directive, we have no chance to run the animation
// and wait for it to complete. This subscription makes sure that the
// animation states are correct for that edge case.
this._subscriptions.push(_itemExpand.expandChange.subscribe(value => {
if (value && this.expandAnimationState === COLLAPSED_STATE) {
if (_navService.collapsed) {
_navService.collapsed = false;
}
this.expandAnimationState = EXPANDED_STATE;
}
else if (!value && this.expandAnimationState === EXPANDED_STATE) {
this.expandAnimationState = COLLAPSED_STATE;
}
}));
// 1. If the nav is collapsing, close the open nav group + save its state
// 2. If the nav is expanding, expand the nav group if the previous state was expanded
this._subscriptions.push(_navService.animateOnCollapsed.subscribe((goingToCollapse) => {
if (goingToCollapse && this.expanded) {
this.wasExpanded = true;
this.expandAnimationState = COLLAPSED_STATE;
}
else if (!goingToCollapse && this.wasExpanded) {
this.expandGroup();
this.wasExpanded = false;
}
}));
// If a link is clicked, expand the nav group
this._subscriptions.push(navGroupService.expandChange.subscribe((expand) => {
if (expand && !this.expanded) {
this.expandGroup();
}
}));
}
get expanded() {
return this._itemExpand.expanded;
}
set expanded(value) {
if (this._itemExpand.expanded !== value) {
this._itemExpand.expanded = value;
this.expandedChange.emit(value);
}
}
set userExpandedInput(value) {
value = !!value;
if (this.expanded !== value) {
// We have to call toggleExpand because some cases require animations to occur first
// Directly setting the Expand service value skips the animation and can result in
// nodes in the DOM but the nav group still being collapsed
this.toggleExpand();
}
}
get expandAnimationState() {
return this._expandAnimationState;
}
set expandAnimationState(value) {
if (value !== this._expandAnimationState) {
this._expandAnimationState = value;
}
}
ngAfterContentInit() {
// This makes sure that if someone marks a nav group expanded in a collapsed nav
// the expanded property is switched back to collapsed state.
if (this._navService.collapsed && this.expanded) {
this.wasExpanded = true;
this.expandAnimationState = COLLAPSED_STATE;
}
}
ngOnDestroy() {
this._subscriptions.forEach((sub) => sub.unsubscribe());
this._navGroupRegistrationService.unregisterNavGroup();
}
expandGroup() {
this.expanded = true;
// Expanded animation occurs after Expand.expand is set to true
this.expandAnimationState = EXPANDED_STATE;
}
collapseGroup() {
// If a Vertical Nav Group toggle button is clicked while the Vertical Nav is in Collapsed state,
// the Vertical Nav should be expanded first.
this.expandAnimationState = COLLAPSED_STATE;
}
// closes a group after the collapse animation
expandAnimationDone($event) {
if ($event.toState === COLLAPSED_STATE) {
this.expanded = false;
}
}
toggleExpand() {
if (this.expanded) {
this.collapseGroup();
}
else {
// If nav is collasped, first open the nav
if (this._navService.collapsed) {
this._navService.collapsed = false;
}
// then expand the nav group
this.expandGroup();
}
}
}
ClrVerticalNavGroup.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.2.2", ngImport: i0, type: ClrVerticalNavGroup, deps: [{ token: i1.IfExpandService }, { token: i2.VerticalNavGroupRegistrationService }, { token: i3.VerticalNavGroupService }, { token: i4.VerticalNavService }, { token: i5.ClrCommonStringsService }], target: i0.ɵɵFactoryTarget.Component });
ClrVerticalNavGroup.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "15.2.2", type: ClrVerticalNavGroup, selector: "clr-vertical-nav-group", inputs: { userExpandedInput: ["clrVerticalNavGroupExpanded", "userExpandedInput"] }, outputs: { expandedChange: "clrVerticalNavGroupExpandedChange" }, host: { properties: { "class.is-expanded": "this.expanded" }, classAttribute: "nav-group" }, providers: [IfExpandService, VerticalNavGroupService], ngImport: i0, template: "<!--\n ~ Copyright (c) 2016-2025 Broadcom. 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\n<div class=\"nav-group-content\">\n <ng-content select=\"[clrVerticalNavLink]\"></ng-content>\n <button class=\"nav-group-trigger\" type=\"button\" [attr.aria-expanded]=\"expanded\" (click)=\"toggleExpand()\">\n <ng-content select=\"[clrVerticalNavIcon]\"></ng-content>\n <div class=\"nav-group-text\">\n <ng-content></ng-content>\n </div>\n <cds-icon shape=\"angle\" class=\"nav-group-trigger-icon\" [attr.direction]=\"expanded ? 'down' : 'right'\"></cds-icon>\n </button>\n</div>\n<!--TODO: This animation needs to be added to the clr-vertical-nav-group-children component-->\n<div class=\"nav-group-children\" [@clrExpand]=\"expandAnimationState\" (@clrExpand.done)=\"expandAnimationDone($event)\">\n <ng-content select=\"[clrIfExpanded], clr-vertical-nav-group-children\"></ng-content>\n</div>\n", dependencies: [{ kind: "directive", type: i6.CdsIconCustomTag, selector: "cds-icon" }], animations: [
trigger('clrExpand', [
state(EXPANDED_STATE, style({ height: '*' })),
state(COLLAPSED_STATE, style({ height: 0, visibility: 'hidden' })),
transition(`${EXPANDED_STATE} <=> ${COLLAPSED_STATE}`, animate('0.2s ease-in-out')),
]),
] });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.2.2", ngImport: i0, type: ClrVerticalNavGroup, decorators: [{
type: Component,
args: [{ selector: 'clr-vertical-nav-group', providers: [IfExpandService, VerticalNavGroupService], animations: [
trigger('clrExpand', [
state(EXPANDED_STATE, style({ height: '*' })),
state(COLLAPSED_STATE, style({ height: 0, visibility: 'hidden' })),
transition(`${EXPANDED_STATE} <=> ${COLLAPSED_STATE}`, animate('0.2s ease-in-out')),
]),
], host: { class: 'nav-group' }, template: "<!--\n ~ Copyright (c) 2016-2025 Broadcom. All Rights Reserved.\n ~ The term \"Broadcom\" refers to Broadcom Inc. and/or its subsidiaries.\n ~ This software is released under MIT license.\n ~ The full license information can be found in LICENSE in the root directory of this project.\n -->\n\n<div class=\"nav-group-content\">\n <ng-content select=\"[clrVerticalNavLink]\"></ng-content>\n <button class=\"nav-group-trigger\" type=\"button\" [attr.aria-expanded]=\"expanded\" (click)=\"toggleExpand()\">\n <ng-content select=\"[clrVerticalNavIcon]\"></ng-content>\n <div class=\"nav-group-text\">\n <ng-content></ng-content>\n </div>\n <cds-icon shape=\"angle\" class=\"nav-group-trigger-icon\" [attr.direction]=\"expanded ? 'down' : 'right'\"></cds-icon>\n </button>\n</div>\n<!--TODO: This animation needs to be added to the clr-vertical-nav-group-children component-->\n<div class=\"nav-group-children\" [@clrExpand]=\"expandAnimationState\" (@clrExpand.done)=\"expandAnimationDone($event)\">\n <ng-content select=\"[clrIfExpanded], clr-vertical-nav-group-children\"></ng-content>\n</div>\n" }]
}], ctorParameters: function () { return [{ type: i1.IfExpandService }, { type: i2.VerticalNavGroupRegistrationService }, { type: i3.VerticalNavGroupService }, { type: i4.VerticalNavService }, { type: i5.ClrCommonStringsService }]; }, propDecorators: { expandedChange: [{
type: Output,
args: ['clrVerticalNavGroupExpandedChange']
}], expanded: [{
type: HostBinding,
args: ['class.is-expanded']
}], userExpandedInput: [{
type: Input,
args: ['clrVerticalNavGroupExpanded']
}] } });
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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 { animate, AnimationEvent, state, style, transition, trigger } from '@angular/animations';\nimport { AfterContentInit, Component, EventEmitter, HostBinding, Input, OnDestroy, Output } from '@angular/core';\nimport { Subscription } from 'rxjs';\n\nimport { IfExpandService } from '../../utils/conditional/if-expanded.service';\nimport { ClrCommonStringsService } from '../../utils/i18n/common-strings.service';\nimport { VerticalNavGroupRegistrationService } from './providers/vertical-nav-group-registration.service';\nimport { VerticalNavGroupService } from './providers/vertical-nav-group.service';\nimport { VerticalNavService } from './providers/vertical-nav.service';\n\nconst EXPANDED_STATE = 'expanded';\nconst COLLAPSED_STATE = 'collapsed';\n\n@Component({\n  selector: 'clr-vertical-nav-group',\n  templateUrl: './vertical-nav-group.html',\n  providers: [IfExpandService, VerticalNavGroupService],\n  animations: [\n    trigger('clrExpand', [\n      state(EXPANDED_STATE, style({ height: '*' })),\n      state(COLLAPSED_STATE, style({ height: 0, visibility: 'hidden' })),\n      transition(`${EXPANDED_STATE} <=> ${COLLAPSED_STATE}`, animate('0.2s ease-in-out')),\n    ]),\n  ],\n  host: { class: 'nav-group' },\n})\nexport class ClrVerticalNavGroup implements AfterContentInit, OnDestroy {\n  @Output('clrVerticalNavGroupExpandedChange') expandedChange = new EventEmitter<boolean>(true);\n\n  private wasExpanded = false;\n  private _subscriptions: Subscription[] = [];\n  private _expandAnimationState: string = COLLAPSED_STATE;\n\n  constructor(\n    private _itemExpand: IfExpandService,\n    private _navGroupRegistrationService: VerticalNavGroupRegistrationService,\n    navGroupService: VerticalNavGroupService,\n    private _navService: VerticalNavService,\n    public commonStrings: ClrCommonStringsService\n  ) {\n    _navGroupRegistrationService.registerNavGroup();\n\n    // FIXME: This subscription handles a corner case\n    // Vertical Nav collapse requires the animation to run first and then\n    // remove the nodes from the DOM. If the user directly sets the input\n    // on the clrIfExpanded directive, we have no chance to run the animation\n    // and wait for it to complete. This subscription makes sure that the\n    // animation states are correct for that edge case.\n    this._subscriptions.push(\n      _itemExpand.expandChange.subscribe(value => {\n        if (value && this.expandAnimationState === COLLAPSED_STATE) {\n          if (_navService.collapsed) {\n            _navService.collapsed = false;\n          }\n          this.expandAnimationState = EXPANDED_STATE;\n        } else if (!value && this.expandAnimationState === EXPANDED_STATE) {\n          this.expandAnimationState = COLLAPSED_STATE;\n        }\n      })\n    );\n\n    // 1. If the nav is collapsing, close the open nav group + save its state\n    // 2. If the nav is expanding, expand the nav group if the previous state was expanded\n    this._subscriptions.push(\n      _navService.animateOnCollapsed.subscribe((goingToCollapse: boolean) => {\n        if (goingToCollapse && this.expanded) {\n          this.wasExpanded = true;\n          this.expandAnimationState = COLLAPSED_STATE;\n        } else if (!goingToCollapse && this.wasExpanded) {\n          this.expandGroup();\n          this.wasExpanded = false;\n        }\n      })\n    );\n\n    // If a link is clicked, expand the nav group\n    this._subscriptions.push(\n      navGroupService.expandChange.subscribe((expand: boolean) => {\n        if (expand && !this.expanded) {\n          this.expandGroup();\n        }\n      })\n    );\n  }\n\n  @HostBinding('class.is-expanded')\n  get expanded(): boolean {\n    return this._itemExpand.expanded;\n  }\n  set expanded(value: boolean) {\n    if (this._itemExpand.expanded !== value) {\n      this._itemExpand.expanded = value;\n      this.expandedChange.emit(value);\n    }\n  }\n\n  @Input('clrVerticalNavGroupExpanded')\n  set userExpandedInput(value: boolean | string) {\n    value = !!value;\n    if (this.expanded !== value) {\n      // We have to call toggleExpand because some cases require animations to occur first\n      // Directly setting the Expand service value skips the animation and can result in\n      // nodes in the DOM but the nav group still being collapsed\n      this.toggleExpand();\n    }\n  }\n\n  get expandAnimationState(): string {\n    return this._expandAnimationState;\n  }\n  set expandAnimationState(value: string) {\n    if (value !== this._expandAnimationState) {\n      this._expandAnimationState = value;\n    }\n  }\n\n  ngAfterContentInit() {\n    // This makes sure that if someone marks a nav group expanded in a collapsed nav\n    // the expanded property is switched back to collapsed state.\n    if (this._navService.collapsed && this.expanded) {\n      this.wasExpanded = true;\n      this.expandAnimationState = COLLAPSED_STATE;\n    }\n  }\n\n  ngOnDestroy() {\n    this._subscriptions.forEach((sub: Subscription) => sub.unsubscribe());\n    this._navGroupRegistrationService.unregisterNavGroup();\n  }\n\n  expandGroup(): void {\n    this.expanded = true;\n    // Expanded animation occurs after Expand.expand is set to true\n    this.expandAnimationState = EXPANDED_STATE;\n  }\n\n  collapseGroup(): void {\n    // If a Vertical Nav Group toggle button is clicked while the Vertical Nav is in Collapsed state,\n    // the Vertical Nav should be expanded first.\n    this.expandAnimationState = COLLAPSED_STATE;\n  }\n\n  // closes a group after the collapse animation\n  expandAnimationDone($event: AnimationEvent) {\n    if ($event.toState === COLLAPSED_STATE) {\n      this.expanded = false;\n    }\n  }\n\n  toggleExpand(): void {\n    if (this.expanded) {\n      this.collapseGroup();\n    } else {\n      // If nav is collasped, first open the nav\n      if (this._navService.collapsed) {\n        this._navService.collapsed = false;\n      }\n      // then expand the nav group\n      this.expandGroup();\n    }\n  }\n}\n","<!--\n  ~ Copyright (c) 2016-2025 Broadcom. All Rights Reserved.\n  ~ The term \"Broadcom\" refers to Broadcom Inc. and/or its subsidiaries.\n  ~ This software is released under MIT license.\n  ~ The full license information can be found in LICENSE in the root directory of this project.\n  -->\n\n<div class=\"nav-group-content\">\n  <ng-content select=\"[clrVerticalNavLink]\"></ng-content>\n  <button class=\"nav-group-trigger\" type=\"button\" [attr.aria-expanded]=\"expanded\" (click)=\"toggleExpand()\">\n    <ng-content select=\"[clrVerticalNavIcon]\"></ng-content>\n    <div class=\"nav-group-text\">\n      <ng-content></ng-content>\n    </div>\n    <cds-icon shape=\"angle\" class=\"nav-group-trigger-icon\" [attr.direction]=\"expanded ? 'down' : 'right'\"></cds-icon>\n  </button>\n</div>\n<!--TODO: This animation needs to be added to the clr-vertical-nav-group-children component-->\n<div class=\"nav-group-children\" [@clrExpand]=\"expandAnimationState\" (@clrExpand.done)=\"expandAnimationDone($event)\">\n  <ng-content select=\"[clrIfExpanded], clr-vertical-nav-group-children\"></ng-content>\n</div>\n"]}