primeng
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[](https://opensource.org/licenses/MIT) [](https://badge.fury.io/js/primeng) [ • 16.7 kB
JavaScript
import { EventEmitter, Component, ViewEncapsulation, ElementRef, Renderer2, ChangeDetectorRef, Input, Output, ChangeDetectionStrategy, NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { DomHandler, ConnectedOverlayScrollHandler } from 'primeng/dom';
import { RouterModule } from '@angular/router';
import { RippleModule } from 'primeng/ripple';
import { trigger, transition, style, animate } from '@angular/animations';
class TieredMenuSub {
constructor(el, renderer, cd) {
this.el = el;
this.renderer = renderer;
this.cd = cd;
this.autoZIndex = true;
this.baseZIndex = 0;
this.leafClick = new EventEmitter();
this.keydownItem = new EventEmitter();
this.menuHoverActive = false;
}
get parentActive() {
return this._parentActive;
}
set parentActive(value) {
if (!this.root) {
this._parentActive = value;
if (!value)
this.activeItem = null;
}
}
onItemClick(event, item) {
if (item.disabled) {
event.preventDefault();
return;
}
if (!item.url && !item.routerLink) {
event.preventDefault();
}
if (item.command) {
item.command({
originalEvent: event,
item: item
});
}
if (item.items) {
if (this.activeItem && item === this.activeItem) {
this.activeItem = null;
this.unbindDocumentClickListener();
}
else {
this.activeItem = item;
if (this.root) {
this.bindDocumentClickListener();
}
}
}
if (!item.items) {
this.onLeafClick();
}
}
onItemMouseEnter(event, item) {
if (item.disabled || this.mobileActive) {
event.preventDefault();
return;
}
if (this.root) {
if (this.activeItem || this.autoDisplay || this.popup) {
this.activeItem = item;
this.bindDocumentClickListener();
}
}
else {
this.activeItem = item;
this.bindDocumentClickListener();
}
}
onLeafClick() {
this.activeItem = null;
if (this.root) {
this.unbindDocumentClickListener();
}
this.leafClick.emit();
}
onItemKeyDown(event, item) {
let listItem = event.currentTarget.parentElement;
switch (event.key) {
case 'ArrowDown':
var nextItem = this.findNextItem(listItem);
if (nextItem) {
nextItem.children[0].focus();
}
event.preventDefault();
break;
case 'ArrowUp':
var prevItem = this.findPrevItem(listItem);
if (prevItem) {
prevItem.children[0].focus();
}
event.preventDefault();
break;
case 'ArrowRight':
if (item.items) {
this.activeItem = item;
if (this.root) {
this.bindDocumentClickListener();
}
setTimeout(() => {
listItem.children[1].children[0].children[0].children[0].focus();
}, 50);
}
event.preventDefault();
break;
default:
break;
}
this.keydownItem.emit({
originalEvent: event,
element: listItem
});
}
findNextItem(item) {
let nextItem = item.nextElementSibling;
if (nextItem)
return DomHandler.hasClass(nextItem, 'p-disabled') || !DomHandler.hasClass(nextItem, 'p-menuitem') ? this.findNextItem(nextItem) : nextItem;
else
return null;
}
findPrevItem(item) {
let prevItem = item.previousElementSibling;
if (prevItem)
return DomHandler.hasClass(prevItem, 'p-disabled') || !DomHandler.hasClass(prevItem, 'p-menuitem') ? this.findPrevItem(prevItem) : prevItem;
else
return null;
}
onChildItemKeyDown(event) {
if (event.originalEvent.key === 'ArrowLeft') {
this.activeItem = null;
if (this.root) {
this.unbindDocumentClickListener();
}
event.element.parentElement.parentElement.parentElement.children[0].focus();
}
}
bindDocumentClickListener() {
if (!this.documentClickListener) {
this.documentClickListener = (event) => {
if (this.el && !this.el.nativeElement.contains(event.target)) {
this.activeItem = null;
this.cd.markForCheck();
this.unbindDocumentClickListener();
}
};
document.addEventListener('click', this.documentClickListener);
}
}
unbindDocumentClickListener() {
if (this.documentClickListener) {
document.removeEventListener('click', this.documentClickListener);
this.documentClickListener = null;
}
}
ngOnDestroy() {
this.unbindDocumentClickListener();
}
}
TieredMenuSub.decorators = [
{ type: Component, args: [{
selector: 'p-tieredMenuSub',
template: `
<ul [ngClass]="{'p-submenu-list': !root}">
<ng-template ngFor let-child [ngForOf]="(root ? item : item.items)">
<li *ngIf="child.separator" class="p-menu-separator" [ngClass]="{'p-hidden': child.visible === false}">
<li *ngIf="!child.separator" #listItem [ngClass]="{'p-menuitem':true, 'p-menuitem-active': child === activeItem, 'p-hidden': child.visible === false}" [ngStyle]="child.style" [class]="child.styleClass">
<a *ngIf="!child.routerLink" (keydown)="onItemKeyDown($event, child)" [attr.href]="child.url" [attr.data-automationid]="child.automationId" [attr.target]="child.target" [attr.title]="child.title" [attr.id]="child.id"
(click)="onItemClick($event, child)" (mouseenter)="onItemMouseEnter($event,child)"
[ngClass]="{'p-menuitem-link':true,'p-disabled':child.disabled}"
[attr.tabindex]="child.disabled ? null : '0'" [attr.aria-haspopup]="item.items != null" [attr.aria-expanded]="item === activeItem" pRipple>
<span class="p-menuitem-icon" *ngIf="child.icon" [ngClass]="child.icon"></span>
<span class="p-menuitem-text" *ngIf="child.escape !== false; else htmlLabel">{{child.label}}</span>
<ng-template #htmlLabel><span class="p-menuitem-text" [innerHTML]="child.label"></span></ng-template>
<span class="p-submenu-icon pi pi-angle-right" *ngIf="child.items"></span>
</a>
<a *ngIf="child.routerLink" (keydown)="onItemKeyDown($event, child)" [routerLink]="child.routerLink" [attr.data-automationid]="child.automationId" [queryParams]="child.queryParams" [routerLinkActive]="'p-menuitem-link-active'" [routerLinkActiveOptions]="child.routerLinkActiveOptions||{exact:false}"
[attr.target]="child.target" [attr.title]="child.title" [attr.id]="child.id" [attr.tabindex]="child.disabled ? null : '0'" role="menuitem"
(click)="onItemClick($event, child)" (mouseenter)="onItemMouseEnter($event,child)" [ngClass]="{'p-menuitem-link':true,'p-disabled':child.disabled}"
[fragment]="child.fragment" [queryParamsHandling]="child.queryParamsHandling" [preserveFragment]="child.preserveFragment" [skipLocationChange]="child.skipLocationChange" [replaceUrl]="child.replaceUrl" [state]="child.state" pRipple>
<span class="p-menuitem-icon" *ngIf="child.icon" [ngClass]="child.icon"></span>
<span class="p-menuitem-text" *ngIf="child.escape !== false; else htmlRouteLabel">{{child.label}}</span>
<ng-template #htmlRouteLabel><span class="p-menuitem-text" [innerHTML]="child.label"></span></ng-template>
<span class="p-submenu-icon pi pi-angle-right" *ngIf="child.items"></span>
</a>
<p-tieredMenuSub (keydownItem)="onChildItemKeyDown($event)" [parentActive]="child === activeItem" [item]="child" *ngIf="child.items" [mobileActive]="mobileActive" [autoDisplay]="autoDisplay" (leafClick)="onLeafClick()" [popup]="popup"></p-tieredMenuSub>
</li>
</ng-template>
</ul>
`,
encapsulation: ViewEncapsulation.None
},] }
];
TieredMenuSub.ctorParameters = () => [
{ type: ElementRef },
{ type: Renderer2 },
{ type: ChangeDetectorRef }
];
TieredMenuSub.propDecorators = {
item: [{ type: Input }],
root: [{ type: Input }],
autoDisplay: [{ type: Input }],
autoZIndex: [{ type: Input }],
baseZIndex: [{ type: Input }],
mobileActive: [{ type: Input }],
popup: [{ type: Input }],
parentActive: [{ type: Input }],
leafClick: [{ type: Output }],
keydownItem: [{ type: Output }]
};
class TieredMenu {
constructor(el, renderer, cd) {
this.el = el;
this.renderer = renderer;
this.cd = cd;
this.autoZIndex = true;
this.baseZIndex = 0;
this.showTransitionOptions = '.12s cubic-bezier(0, 0, 0.2, 1)';
this.hideTransitionOptions = '.1s linear';
}
toggle(event) {
if (this.visible)
this.hide();
else
this.show(event);
this.preventDocumentDefault = true;
}
show(event) {
this.target = event.currentTarget;
this.visible = true;
this.parentActive = true;
this.preventDocumentDefault = true;
this.cd.markForCheck();
}
onOverlayAnimationStart(event) {
switch (event.toState) {
case 'visible':
if (this.popup) {
this.container = event.element;
this.moveOnTop();
this.appendOverlay();
DomHandler.absolutePosition(this.container, this.target);
this.bindDocumentClickListener();
this.bindDocumentResizeListener();
this.bindScrollListener();
}
break;
case 'void':
this.onOverlayHide();
break;
}
}
appendOverlay() {
if (this.appendTo) {
if (this.appendTo === 'body')
document.body.appendChild(this.container);
else
DomHandler.appendChild(this.container, this.appendTo);
}
}
restoreOverlayAppend() {
if (this.container && this.appendTo) {
this.el.nativeElement.appendChild(this.container);
}
}
moveOnTop() {
if (this.autoZIndex) {
this.container.style.zIndex = String(this.baseZIndex + (++DomHandler.zindex));
}
}
hide() {
this.visible = false;
this.parentActive = false;
this.cd.markForCheck();
}
onWindowResize() {
this.hide();
}
onLeafClick() {
if (this.popup) {
this.hide();
}
this.unbindDocumentClickListener();
}
bindDocumentClickListener() {
if (!this.documentClickListener) {
const documentTarget = this.el ? this.el.nativeElement.ownerDocument : 'document';
this.documentClickListener = this.renderer.listen(documentTarget, 'click', () => {
if (!this.preventDocumentDefault && this.popup) {
this.hide();
}
this.preventDocumentDefault = false;
});
}
}
unbindDocumentClickListener() {
if (this.documentClickListener) {
this.documentClickListener();
this.documentClickListener = null;
}
}
bindDocumentResizeListener() {
this.documentResizeListener = this.onWindowResize.bind(this);
window.addEventListener('resize', this.documentResizeListener);
}
unbindDocumentResizeListener() {
if (this.documentResizeListener) {
window.removeEventListener('resize', this.documentResizeListener);
this.documentResizeListener = null;
}
}
bindScrollListener() {
if (!this.scrollHandler) {
this.scrollHandler = new ConnectedOverlayScrollHandler(this.target, () => {
if (this.visible) {
this.hide();
}
});
}
this.scrollHandler.bindScrollListener();
}
unbindScrollListener() {
if (this.scrollHandler) {
this.scrollHandler.unbindScrollListener();
}
}
onOverlayHide() {
this.unbindDocumentClickListener();
this.unbindDocumentResizeListener();
this.unbindScrollListener();
this.preventDocumentDefault = false;
this.target = null;
}
ngOnDestroy() {
if (this.popup) {
if (this.scrollHandler) {
this.scrollHandler.destroy();
this.scrollHandler = null;
}
this.restoreOverlayAppend();
this.onOverlayHide();
}
}
}
TieredMenu.decorators = [
{ type: Component, args: [{
selector: 'p-tieredMenu',
template: `
<div [ngClass]="{'p-tieredmenu p-component':true, 'p-tieredmenu-overlay':popup}" [class]="styleClass" [ngStyle]="style"
[]="{value: 'visible', params: {showTransitionParams: showTransitionOptions, hideTransitionParams: hideTransitionOptions}}" [@.disabled]="popup !== true"
(.start)="onOverlayAnimationStart($event)" (click)="preventDocumentDefault=true" *ngIf="!popup || visible">
<p-tieredMenuSub [item]="model" root="root" [parentActive]="parentActive" [baseZIndex]="baseZIndex" [autoZIndex]="autoZIndex" (leafClick)="onLeafClick()"
[autoDisplay]="autoDisplay" [popup]="popup"></p-tieredMenuSub>
</div>
`,
animations: [
trigger('overlayAnimation', [
transition(':enter', [
style({ opacity: 0, transform: 'scaleY(0.8)' }),
animate('{{showTransitionParams}}')
]),
transition(':leave', [
animate('{{hideTransitionParams}}', style({ opacity: 0 }))
])
])
],
changeDetection: ChangeDetectionStrategy.OnPush,
encapsulation: ViewEncapsulation.None,
styles: [".p-tieredmenu-overlay{position:absolute}.p-tieredmenu ul{list-style:none;margin:0;padding:0}.p-tieredmenu .p-submenu-list{display:none;min-width:100%;position:absolute;z-index:1}.p-tieredmenu .p-menuitem-link{align-items:center;cursor:pointer;display:flex;overflow:hidden;position:relative;text-decoration:none}.p-tieredmenu .p-menuitem-text{line-height:1}.p-tieredmenu .p-menuitem{position:relative}.p-tieredmenu .p-menuitem-link .p-submenu-icon{margin-left:auto}.p-tieredmenu .p-menuitem-active>p-tieredmenusub>.p-submenu-list{display:block;left:100%;top:0}"]
},] }
];
TieredMenu.ctorParameters = () => [
{ type: ElementRef },
{ type: Renderer2 },
{ type: ChangeDetectorRef }
];
TieredMenu.propDecorators = {
model: [{ type: Input }],
popup: [{ type: Input }],
style: [{ type: Input }],
styleClass: [{ type: Input }],
appendTo: [{ type: Input }],
autoZIndex: [{ type: Input }],
baseZIndex: [{ type: Input }],
autoDisplay: [{ type: Input }],
showTransitionOptions: [{ type: Input }],
hideTransitionOptions: [{ type: Input }]
};
class TieredMenuModule {
}
TieredMenuModule.decorators = [
{ type: NgModule, args: [{
imports: [CommonModule, RouterModule, RippleModule],
exports: [TieredMenu, RouterModule],
declarations: [TieredMenu, TieredMenuSub]
},] }
];
/**
* Generated bundle index. Do not edit.
*/
export { TieredMenu, TieredMenuModule, TieredMenuSub };
//# sourceMappingURL=primeng-tieredmenu.js.map