primeng
Version:
[](https://opensource.org/licenses/MIT) [](https://badge.fury.io/js/primeng) [ • 10.1 kB
JavaScript
import { EventEmitter, Component, ChangeDetectionStrategy, ViewEncapsulation, Inject, forwardRef, ChangeDetectorRef, Input, Output, ContentChildren, ElementRef, NgModule } from '@angular/core';
import { trigger, state, style, transition, animate } from '@angular/animations';
import { CommonModule } from '@angular/common';
import { Header, PrimeTemplate, SharedModule } from 'primeng/api';
let idx = 0;
class AccordionTab {
constructor(accordion, changeDetector) {
this.changeDetector = changeDetector;
this.cache = true;
this.selectedChange = new EventEmitter();
this.transitionOptions = '400ms cubic-bezier(0.86, 0, 0.07, 1)';
this.id = `p-accordiontab-${idx++}`;
this.accordion = accordion;
}
get selected() {
return this._selected;
}
set selected(val) {
this._selected = val;
if (!this.loaded) {
if (this._selected && this.cache) {
this.loaded = true;
}
this.changeDetector.detectChanges();
}
}
ngAfterContentInit() {
this.templates.forEach((item) => {
switch (item.getType()) {
case 'content':
this.contentTemplate = item.template;
break;
case 'header':
this.headerTemplate = item.template;
break;
default:
this.contentTemplate = item.template;
break;
}
});
}
toggle(event) {
if (this.disabled) {
return false;
}
let index = this.findTabIndex();
if (this.selected) {
this.selected = false;
this.accordion.onClose.emit({ originalEvent: event, index: index });
}
else {
if (!this.accordion.multiple) {
for (var i = 0; i < this.accordion.tabs.length; i++) {
this.accordion.tabs[i].selected = false;
this.accordion.tabs[i].selectedChange.emit(false);
this.accordion.tabs[i].changeDetector.markForCheck();
}
}
this.selected = true;
this.loaded = true;
this.accordion.onOpen.emit({ originalEvent: event, index: index });
}
this.selectedChange.emit(this.selected);
this.accordion.updateActiveIndex();
this.changeDetector.markForCheck();
event.preventDefault();
}
findTabIndex() {
let index = -1;
for (var i = 0; i < this.accordion.tabs.length; i++) {
if (this.accordion.tabs[i] == this) {
index = i;
break;
}
}
return index;
}
get hasHeaderFacet() {
return this.headerFacet && this.headerFacet.length > 0;
}
onKeydown(event) {
if (event.which === 32 || event.which === 13) {
this.toggle(event);
event.preventDefault();
}
}
ngOnDestroy() {
this.accordion.tabs.splice(this.findTabIndex(), 1);
}
}
AccordionTab.decorators = [
{ type: Component, args: [{
selector: 'p-accordionTab',
template: `
<div class="p-accordion-tab" [ngClass]="{'p-accordion-tab-active': selected}">
<div class="p-accordion-header" [ngClass]="{'p-highlight': selected, 'p-disabled': disabled}">
<a role="tab" class="p-accordion-header-link" (click)="toggle($event)" (keydown)="onKeydown($event)" [attr.tabindex]="disabled ? null : 0"
[attr.id]="id" [attr.aria-controls]="id + '-content'" [attr.aria-expanded]="selected">
<span class="p-accordion-toggle-icon" [ngClass]="selected ? accordion.collapseIcon : accordion.expandIcon"></span>
<span class="p-accordion-header-text" *ngIf="!hasHeaderFacet">
{{header}}
</span>
<ng-container *ngTemplateOutlet="headerTemplate"></ng-container>
<ng-content select="p-header" *ngIf="hasHeaderFacet"></ng-content>
</a>
</div>
<div [attr.id]="id + '-content'" class="p-toggleable-content" []="selected ? {value: 'visible', params: {transitionParams: transitionOptions}} : {value: 'hidden', params: {transitionParams: transitionOptions}}"
role="region" [attr.aria-hidden]="!selected" [attr.aria-labelledby]="id">
<div class="p-accordion-content">
<ng-content></ng-content>
<ng-container *ngIf="contentTemplate && (cache ? loaded : selected)">
<ng-container *ngTemplateOutlet="contentTemplate"></ng-container>
</ng-container>
</div>
</div>
</div>
`,
animations: [
trigger('tabContent', [
state('hidden', style({
height: '0',
overflow: 'hidden'
})),
state('visible', style({
height: '*'
})),
transition('visible <=> hidden', [style({ overflow: 'hidden' }), animate('{{transitionParams}}')]),
transition('void => *', animate(0))
])
],
changeDetection: ChangeDetectionStrategy.OnPush,
encapsulation: ViewEncapsulation.None,
styles: [".p-accordion-header-link{-ms-user-select:none;-webkit-user-select:none;align-items:center;cursor:pointer;display:flex;position:relative;text-decoration:none;user-select:none}.p-accordion-header-link:focus{z-index:1}.p-accordion-header-text{line-height:1}"]
},] }
];
AccordionTab.ctorParameters = () => [
{ type: undefined, decorators: [{ type: Inject, args: [forwardRef(() => Accordion),] }] },
{ type: ChangeDetectorRef }
];
AccordionTab.propDecorators = {
header: [{ type: Input }],
disabled: [{ type: Input }],
cache: [{ type: Input }],
selectedChange: [{ type: Output }],
transitionOptions: [{ type: Input }],
headerFacet: [{ type: ContentChildren, args: [Header,] }],
templates: [{ type: ContentChildren, args: [PrimeTemplate,] }],
selected: [{ type: Input }]
};
class Accordion {
constructor(el, changeDetector) {
this.el = el;
this.changeDetector = changeDetector;
this.onClose = new EventEmitter();
this.onOpen = new EventEmitter();
this.expandIcon = 'pi pi-fw pi-chevron-right';
this.collapseIcon = 'pi pi-fw pi-chevron-down';
this.activeIndexChange = new EventEmitter();
this.tabs = [];
}
ngAfterContentInit() {
this.initTabs();
this.tabListSubscription = this.tabList.changes.subscribe(_ => {
this.initTabs();
});
}
initTabs() {
this.tabs = this.tabList.toArray();
this.updateSelectionState();
this.changeDetector.markForCheck();
}
getBlockableElement() {
return this.el.nativeElement.children[0];
}
get activeIndex() {
return this._activeIndex;
}
set activeIndex(val) {
this._activeIndex = val;
if (this.preventActiveIndexPropagation) {
this.preventActiveIndexPropagation = false;
return;
}
this.updateSelectionState();
}
updateSelectionState() {
if (this.tabs && this.tabs.length && this._activeIndex != null) {
for (let i = 0; i < this.tabs.length; i++) {
let selected = this.multiple ? this._activeIndex.includes(i) : (i === this._activeIndex);
let changed = selected !== this.tabs[i].selected;
if (changed) {
this.tabs[i].selected = selected;
this.tabs[i].selectedChange.emit(selected);
this.tabs[i].changeDetector.markForCheck();
}
}
}
}
updateActiveIndex() {
let index = this.multiple ? [] : null;
this.tabs.forEach((tab, i) => {
if (tab.selected) {
if (this.multiple) {
index.push(i);
}
else {
index = i;
return;
}
}
});
this.preventActiveIndexPropagation = true;
this.activeIndexChange.emit(index);
}
ngOnDestroy() {
if (this.tabListSubscription) {
this.tabListSubscription.unsubscribe();
}
}
}
Accordion.decorators = [
{ type: Component, args: [{
selector: 'p-accordion',
template: `
<div [ngClass]="'p-accordion p-component'" [ngStyle]="style" [class]="styleClass" role="tablist">
<ng-content></ng-content>
</div>
`,
changeDetection: ChangeDetectionStrategy.OnPush
},] }
];
Accordion.ctorParameters = () => [
{ type: ElementRef },
{ type: ChangeDetectorRef }
];
Accordion.propDecorators = {
multiple: [{ type: Input }],
onClose: [{ type: Output }],
onOpen: [{ type: Output }],
style: [{ type: Input }],
styleClass: [{ type: Input }],
expandIcon: [{ type: Input }],
collapseIcon: [{ type: Input }],
activeIndexChange: [{ type: Output }],
tabList: [{ type: ContentChildren, args: [AccordionTab,] }],
activeIndex: [{ type: Input }]
};
class AccordionModule {
}
AccordionModule.decorators = [
{ type: NgModule, args: [{
imports: [CommonModule],
exports: [Accordion, AccordionTab, SharedModule],
declarations: [Accordion, AccordionTab]
},] }
];
/**
* Generated bundle index. Do not edit.
*/
export { Accordion, AccordionModule, AccordionTab };
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