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@avdbrink/ngx-contextmenu

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An Angular component to show a context menu on an arbitrary component

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/** * @fileoverview added by tsickle * @suppress {checkTypes} checked by tsc */ import { OverlayRef } from '@angular/cdk/overlay'; import { ChangeDetectorRef, Component, ElementRef, Inject, Input, Optional, Renderer, ViewChild, ViewChildren, } from '@angular/core'; import { EventEmitter, Output, QueryList, HostListener } from '@angular/core'; import { Subscription } from 'rxjs'; import { CONTEXT_MENU_OPTIONS } from './contextMenu.tokens'; import { ActiveDescendantKeyManager } from '@angular/cdk/a11y'; /** * @record */ export function ILinkConfig() { } function ILinkConfig_tsickle_Closure_declarations() { /** @type {?} */ ILinkConfig.prototype.click; /** @type {?|undefined} */ ILinkConfig.prototype.enabled; /** @type {?} */ ILinkConfig.prototype.html; } const /** @type {?} */ ARROW_LEFT_KEYCODE = 37; export class ContextMenuContentComponent { /** * @param {?} changeDetector * @param {?} elementRef * @param {?} options * @param {?} renderer */ constructor(changeDetector, elementRef, options, renderer) { this.changeDetector = changeDetector; this.elementRef = elementRef; this.options = options; this.renderer = renderer; this.menuItems = []; this.isLeaf = false; this.execute = new EventEmitter(); this.openSubMenu = new EventEmitter(); this.closeLeafMenu = new EventEmitter(); this.closeAllMenus = new EventEmitter(); this.autoFocus = false; this.useBootstrap4 = false; this.highlightParentItems = false; this.subscription = new Subscription(); if (options) { this.autoFocus = options.autoFocus; this.useBootstrap4 = options.useBootstrap4; this.highlightParentItems = options.highlightParentItems; } } /** * @return {?} */ ngOnInit() { this.menuItems.forEach(menuItem => { menuItem.currentItem = this.item; this.subscription.add(menuItem.execute.subscribe(event => this.execute.emit(Object.assign({}, event, { menuItem })))); }); const /** @type {?} */ queryList = new QueryList(); queryList.reset(this.menuItems); this._keyManager = new ActiveDescendantKeyManager(queryList).withWrap(); } /** * @return {?} */ ngAfterViewInit() { if (this.autoFocus) { setTimeout(() => this.focus()); } this.overlay.updatePosition(); } /** * @return {?} */ ngOnDestroy() { this.subscription.unsubscribe(); } /** * @return {?} */ focus() { if (this.autoFocus) { this.menuElement.nativeElement.focus(); } } /** * @param {?} $event * @return {?} */ stopEvent($event) { $event.stopPropagation(); } /** * @param {?} menuItem * @return {?} */ isMenuItemEnabled(menuItem) { return this.evaluateIfFunction(menuItem && menuItem.enabled); } /** * @param {?} menuItem * @return {?} */ isMenuItemVisible(menuItem) { return this.evaluateIfFunction(menuItem && menuItem.visible); } /** * @param {?} value * @return {?} */ evaluateIfFunction(value) { if (value instanceof Function) { return value(this.item); } return value; } /** * @param {?} link * @return {?} */ isDisabled(link) { return link.enabled && !link.enabled(this.item); } /** * @param {?} event * @return {?} */ onKeyEvent(event) { if (!this.isLeaf) { return; } this._keyManager.onKeydown(event); } /** * @param {?=} event * @return {?} */ keyboardOpenSubMenu(event) { if (!this.isLeaf) { return; } this.cancelEvent(event); const /** @type {?} */ menuItem = this.menuItems[this._keyManager.activeItemIndex]; if (menuItem) { this.onOpenSubMenu(menuItem); } } /** * @param {?=} event * @return {?} */ keyboardMenuItemSelect(event) { if (!this.isLeaf) { return; } this.cancelEvent(event); const /** @type {?} */ menuItem = this.menuItems[this._keyManager.activeItemIndex]; if (menuItem) { this.onMenuItemSelect(menuItem, event); } } /** * @param {?} event * @return {?} */ onCloseLeafMenu(event) { if (!this.isLeaf) { return; } this.cancelEvent(event); this.closeLeafMenu.emit({ exceptRootMenu: event.keyCode === ARROW_LEFT_KEYCODE, event }); } /** * @param {?} event * @return {?} */ closeMenu(event) { if (event.type === 'click' && event.button === 2) { return; } this.closeAllMenus.emit({ event }); } /** * @param {?} menuItem * @param {?=} event * @return {?} */ onOpenSubMenu(menuItem, event) { const /** @type {?} */ anchorElementRef = this.menuItemElements.toArray()[this._keyManager.activeItemIndex]; const /** @type {?} */ anchorElement = anchorElementRef && anchorElementRef.nativeElement; if (this.highlightParentItems) { this.menuItems.forEach(item => item.isActiveParent = (item === menuItem && menuItem.subMenu)); } this.openSubMenu.emit({ anchorElement, contextMenu: menuItem.subMenu, event, item: this.item, parentContextMenu: this, }); } /** * @param {?} menuItem * @param {?} event * @return {?} */ onMenuItemSelect(menuItem, event) { event.preventDefault(); event.stopPropagation(); this.onOpenSubMenu(menuItem, event); if (!menuItem.subMenu) { menuItem.triggerExecute(this.item, event); } } /** * @param {?} event * @return {?} */ cancelEvent(event) { if (!event) { return; } const /** @type {?} */ target = event.target; if (['INPUT', 'TEXTAREA', 'SELECT'].indexOf(target.tagName) > -1 || target.isContentEditable) { return; } event.preventDefault(); event.stopPropagation(); } } ContextMenuContentComponent.decorators = [ { type: Component, args: [{ selector: 'context-menu-content', styles: [ `.passive { display: block; padding: 3px 20px; clear: both; font-weight: normal; line-height: @line-height-base; white-space: nowrap; } .hasSubMenu:before { content: "\u25B6"; float: right; } .activeParent { text-decoration: none; color: #262626; background-color: #f5f5f5; }`, ], template: `<div class="dropdown open show ngx-contextmenu" [ngClass]="menuClass" tabindex="0"> <ul #menu class="dropdown-menu show" style="position: static; float: none;" tabindex="0"> <li #li *ngFor="let menuItem of menuItems; let i = index" [class.disabled]="!isMenuItemEnabled(menuItem)" [class.divider]="menuItem.divider" [class.dropdown-divider]="useBootstrap4 && menuItem.divider" [class.active]="menuItem.isActive && isMenuItemEnabled(menuItem)" [attr.role]="menuItem.divider ? 'separator' : undefined"> <a *ngIf="!menuItem.divider && !menuItem.passive" href [class.dropdown-item]="useBootstrap4" [class.active]="menuItem.isActive && isMenuItemEnabled(menuItem)" [class.activeParent]="highlightParentItems && menuItem.isActiveParent && isMenuItemEnabled(menuItem)" [class.disabled]="useBootstrap4 && !isMenuItemEnabled(menuItem)" [class.hasSubMenu]="!!menuItem.subMenu" (click)="onMenuItemSelect(menuItem, $event)" (mouseenter)="onOpenSubMenu(menuItem, $event)"> <ng-template [ngTemplateOutlet]="menuItem.template" [ngTemplateOutletContext]="{ $implicit: item }"></ng-template> </a> <span (click)="stopEvent($event)" (contextmenu)="stopEvent($event)" class="passive" *ngIf="!menuItem.divider && menuItem.passive" [class.dropdown-item]="useBootstrap4" [class.disabled]="useBootstrap4 && !isMenuItemEnabled(menuItem)"> <ng-template [ngTemplateOutlet]="menuItem.template" [ngTemplateOutletContext]="{ $implicit: item }"></ng-template> </span> </li> </ul> </div> `, },] }, ]; /** @nocollapse */ ContextMenuContentComponent.ctorParameters = () => [ { type: ChangeDetectorRef }, { type: ElementRef }, { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [CONTEXT_MENU_OPTIONS,] }] }, { type: Renderer } ]; ContextMenuContentComponent.propDecorators = { menuItems: [{ type: Input }], item: [{ type: Input }], event: [{ type: Input }], parentContextMenu: [{ type: Input }], menuClass: [{ type: Input }], overlay: [{ type: Input }], isLeaf: [{ type: Input }], execute: [{ type: Output }], openSubMenu: [{ type: Output }], closeLeafMenu: [{ type: Output }], closeAllMenus: [{ type: Output }], menuElement: [{ type: ViewChild, args: ['menu',] }], menuItemElements: [{ type: ViewChildren, args: ['li',] }], onKeyEvent: [{ type: HostListener, args: ['window:keydown.ArrowDown', ['$event'],] }, { type: HostListener, args: ['window:keydown.ArrowUp', ['$event'],] }], keyboardOpenSubMenu: [{ type: HostListener, args: ['window:keydown.ArrowRight', ['$event'],] }], keyboardMenuItemSelect: [{ type: HostListener, args: ['window:keydown.Enter', ['$event'],] }, { type: HostListener, args: ['window:keydown.Space', ['$event'],] }], onCloseLeafMenu: [{ type: HostListener, args: ['window:keydown.Escape', ['$event'],] }, { type: HostListener, args: ['window:keydown.ArrowLeft', ['$event'],] }], closeMenu: [{ type: HostListener, args: ['document:click', ['$event'],] }, { type: HostListener, args: ['document:contextmenu', ['$event'],] }] }; function ContextMenuContentComponent_tsickle_Closure_declarations() { /** @type {?} */ ContextMenuContentComponent.prototype.menuItems; /** @type {?} */ ContextMenuContentComponent.prototype.item; /** @type {?} */ ContextMenuContentComponent.prototype.event; /** @type {?} */ ContextMenuContentComponent.prototype.parentContextMenu; /** @type {?} */ ContextMenuContentComponent.prototype.menuClass; /** @type {?} */ ContextMenuContentComponent.prototype.overlay; /** @type {?} */ ContextMenuContentComponent.prototype.isLeaf; /** @type {?} */ ContextMenuContentComponent.prototype.execute; /** @type {?} */ ContextMenuContentComponent.prototype.openSubMenu; /** @type {?} */ ContextMenuContentComponent.prototype.closeLeafMenu; /** @type {?} */ ContextMenuContentComponent.prototype.closeAllMenus; /** @type {?} */ ContextMenuContentComponent.prototype.menuElement; /** @type {?} */ ContextMenuContentComponent.prototype.menuItemElements; /** @type {?} */ ContextMenuContentComponent.prototype.autoFocus; /** @type {?} */ ContextMenuContentComponent.prototype.useBootstrap4; /** @type {?} */ ContextMenuContentComponent.prototype.highlightParentItems; /** @type {?} */ ContextMenuContentComponent.prototype._keyManager; /** @type {?} */ ContextMenuContentComponent.prototype.subscription; /** @type {?} */ ContextMenuContentComponent.prototype.changeDetector; /** @type {?} */ ContextMenuContentComponent.prototype.elementRef; /** @type {?} */ ContextMenuContentComponent.prototype.options; /** @type {?} */ ContextMenuContentComponent.prototype.renderer; } //# 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{ CloseLeafMenuEvent, IContextMenuClickEvent } from './contextMenu.service';\nimport { OverlayRef } from '@angular/cdk/overlay';\nimport {\n    AfterViewInit,\n    ChangeDetectorRef,\n    Component,\n    ElementRef,\n    Inject,\n    Input,\n    Optional,\n    Renderer,\n    ViewChild,\n    ViewChildren,\n} from '@angular/core';\nimport { EventEmitter, OnDestroy, OnInit, Output, QueryList, HostListener } from '@angular/core';\nimport { Subscription } from 'rxjs';\n\nimport { ContextMenuItemDirective } from './contextMenu.item.directive';\nimport { IContextMenuOptions } from './contextMenu.options';\nimport { CONTEXT_MENU_OPTIONS } from './contextMenu.tokens';\nimport { ActiveDescendantKeyManager } from '@angular/cdk/a11y';\n\nexport interface ILinkConfig {\n  click: (item: any, $event?: MouseEvent) => void;\n  enabled?: (item: any) => boolean;\n  html: (item: any) => string;\n}\n\nconst ARROW_LEFT_KEYCODE = 37;\n\n@Component({\n  selector: 'context-menu-content',\n  styles: [\n    `.passive {\n       display: block;\n       padding: 3px 20px;\n       clear: both;\n       font-weight: normal;\n       line-height: @line-height-base;\n       white-space: nowrap;\n     }\n    .hasSubMenu:before {\n      content: \"\\u25B6\";\n      float: right;\n    }\n    .activeParent {\n    text-decoration: none;\n      color: #262626;\n      background-color: #f5f5f5;\n    }`,\n  ],\n  template:\n  `<div class=\"dropdown open show ngx-contextmenu\" [ngClass]=\"menuClass\" tabindex=\"0\">\n      <ul #menu class=\"dropdown-menu show\" style=\"position: static; float: none;\" tabindex=\"0\">\n        <li #li *ngFor=\"let menuItem of menuItems; let i = index\" [class.disabled]=\"!isMenuItemEnabled(menuItem)\"\n            [class.divider]=\"menuItem.divider\" [class.dropdown-divider]=\"useBootstrap4 && menuItem.divider\"\n            [class.active]=\"menuItem.isActive && isMenuItemEnabled(menuItem)\"\n            [attr.role]=\"menuItem.divider ? 'separator' : undefined\">\n          <a *ngIf=\"!menuItem.divider && !menuItem.passive\" href [class.dropdown-item]=\"useBootstrap4\"\n            [class.active]=\"menuItem.isActive && isMenuItemEnabled(menuItem)\"\n            [class.activeParent]=\"highlightParentItems && menuItem.isActiveParent && isMenuItemEnabled(menuItem)\"\n            [class.disabled]=\"useBootstrap4 && !isMenuItemEnabled(menuItem)\" [class.hasSubMenu]=\"!!menuItem.subMenu\"\n            (click)=\"onMenuItemSelect(menuItem, $event)\" (mouseenter)=\"onOpenSubMenu(menuItem, $event)\">\n            <ng-template [ngTemplateOutlet]=\"menuItem.template\" [ngTemplateOutletContext]=\"{ $implicit: item }\"></ng-template>\n          </a>\n\n          <span (click)=\"stopEvent($event)\" (contextmenu)=\"stopEvent($event)\" class=\"passive\"\n                *ngIf=\"!menuItem.divider && menuItem.passive\" [class.dropdown-item]=\"useBootstrap4\"\n                [class.disabled]=\"useBootstrap4 && !isMenuItemEnabled(menuItem)\">\n            <ng-template [ngTemplateOutlet]=\"menuItem.template\" [ngTemplateOutletContext]=\"{ $implicit: item }\"></ng-template>\n          </span>\n        </li>\n      </ul>\n    </div>\n  `,\n})\nexport class ContextMenuContentComponent implements OnInit, OnDestroy, AfterViewInit {\n  @Input() public menuItems: ContextMenuItemDirective[] = [];\n  @Input() public item: any;\n  @Input() public event: MouseEvent | KeyboardEvent;\n  @Input() public parentContextMenu: ContextMenuContentComponent;\n  @Input() public menuClass: string;\n  @Input() public overlay: OverlayRef;\n  @Input() public isLeaf = false;\n  @Output() public execute: EventEmitter<{ event: MouseEvent | KeyboardEvent, item: any, menuItem: ContextMenuItemDirective }>\n    = new EventEmitter();\n  @Output() public openSubMenu: EventEmitter<IContextMenuClickEvent> = new EventEmitter();\n  @Output() public closeLeafMenu: EventEmitter<CloseLeafMenuEvent> = new EventEmitter();\n  @Output() public closeAllMenus: EventEmitter<{ event: MouseEvent }> = new EventEmitter();\n  @ViewChild('menu') public menuElement: ElementRef;\n  @ViewChildren('li') public menuItemElements: QueryList<ElementRef>;\n\n  public autoFocus = false;\n  public useBootstrap4 = false;\n  public highlightParentItems = false;\n  private _keyManager: ActiveDescendantKeyManager<ContextMenuItemDirective>;\n  private subscription: Subscription = new Subscription();\n  constructor(\n    private changeDetector: ChangeDetectorRef,\n    private elementRef: ElementRef,\n    @Optional()\n    @Inject(CONTEXT_MENU_OPTIONS) private options: IContextMenuOptions,\n    public renderer: Renderer,\n  ) {\n    if (options) {\n      this.autoFocus = options.autoFocus;\n      this.useBootstrap4 = options.useBootstrap4;\n      this.highlightParentItems = options.highlightParentItems;\n    }\n  }\n\n  ngOnInit(): void {\n    this.menuItems.forEach(menuItem => {\n      menuItem.currentItem = this.item;\n      this.subscription.add(menuItem.execute.subscribe(event => this.execute.emit({ ...event, menuItem })));\n    });\n    const queryList = new QueryList<ContextMenuItemDirective>();\n    queryList.reset(this.menuItems);\n    this._keyManager = new ActiveDescendantKeyManager<ContextMenuItemDirective>(queryList).withWrap();\n  }\n\n  ngAfterViewInit() {\n    if (this.autoFocus) {\n      setTimeout(() => this.focus());\n    }\n    this.overlay.updatePosition();\n  }\n\n  ngOnDestroy() {\n    this.subscription.unsubscribe();\n  }\n\n  focus(): void {\n    if (this.autoFocus) {\n      this.menuElement.nativeElement.focus();\n    }\n  }\n\n  stopEvent($event: MouseEvent) {\n    $event.stopPropagation();\n  }\n\n  public isMenuItemEnabled(menuItem: ContextMenuItemDirective): boolean {\n    return this.evaluateIfFunction(menuItem && menuItem.enabled);\n  }\n\n  public isMenuItemVisible(menuItem: ContextMenuItemDirective): boolean {\n    return this.evaluateIfFunction(menuItem && menuItem.visible);\n  }\n\n  public evaluateIfFunction(value: any): any {\n    if (value instanceof Function) {\n      return value(this.item);\n    }\n    return value;\n  }\n\n  public isDisabled(link: ILinkConfig): boolean {\n    return link.enabled && !link.enabled(this.item);\n  }\n\n  @HostListener('window:keydown.ArrowDown', ['$event'])\n  @HostListener('window:keydown.ArrowUp', ['$event'])\n  public onKeyEvent(event: KeyboardEvent): void {\n    if (!this.isLeaf) {\n      return;\n    }\n    this._keyManager.onKeydown(event);\n  }\n\n  @HostListener('window:keydown.ArrowRight', ['$event'])\n  public keyboardOpenSubMenu(event?: KeyboardEvent): void {\n    if (!this.isLeaf) {\n      return;\n    }\n    this.cancelEvent(event);\n    const menuItem = this.menuItems[this._keyManager.activeItemIndex];\n    if (menuItem) {\n      this.onOpenSubMenu(menuItem);\n    }\n  }\n\n  @HostListener('window:keydown.Enter', ['$event'])\n  @HostListener('window:keydown.Space', ['$event'])\n  public keyboardMenuItemSelect(event?: KeyboardEvent): void {\n    if (!this.isLeaf) {\n      return;\n    }\n    this.cancelEvent(event);\n    const menuItem = this.menuItems[this._keyManager.activeItemIndex];\n    if (menuItem) {\n      this.onMenuItemSelect(menuItem, event);\n    }\n  }\n\n  @HostListener('window:keydown.Escape', ['$event'])\n  @HostListener('window:keydown.ArrowLeft', ['$event'])\n  public onCloseLeafMenu(event: KeyboardEvent): void {\n    if (!this.isLeaf) {\n      return;\n    }\n    this.cancelEvent(event);\n    this.closeLeafMenu.emit({ exceptRootMenu: event.keyCode === ARROW_LEFT_KEYCODE, event });\n  }\n\n  @HostListener('document:click', ['$event'])\n  @HostListener('document:contextmenu', ['$event'])\n  public closeMenu(event: MouseEvent): void {\n    if (event.type === 'click' && event.button === 2) {\n      return;\n    }\n    this.closeAllMenus.emit({event});\n  }\n\n  public onOpenSubMenu(menuItem: ContextMenuItemDirective, event?: MouseEvent | KeyboardEvent): void {\n    const anchorElementRef = this.menuItemElements.toArray()[this._keyManager.activeItemIndex];\n    const anchorElement = anchorElementRef && anchorElementRef.nativeElement;\n    if (this.highlightParentItems) { \n      this.menuItems.forEach(item => item.isActiveParent = (item === menuItem && menuItem.subMenu) );\n    }\n    this.openSubMenu.emit({\n      anchorElement,\n      contextMenu: menuItem.subMenu,\n      event,\n      item: this.item,\n      parentContextMenu: this,\n    });\n  }\n\n  public onMenuItemSelect(menuItem: ContextMenuItemDirective, event: MouseEvent | KeyboardEvent): void {\n    event.preventDefault();\n    event.stopPropagation();\n    this.onOpenSubMenu(menuItem, event);\n    if (!menuItem.subMenu) {\n      menuItem.triggerExecute(this.item, event);\n    }\n  }\n\n  private cancelEvent(event): void {\n    if (!event) {\n      return;\n    }\n\n    const target: HTMLElement = event.target;\n    if (['INPUT', 'TEXTAREA', 'SELECT'].indexOf(target.tagName) > -1 || target.isContentEditable) {\n      return;\n    }\n\n    event.preventDefault();\n    event.stopPropagation();\n  }\n}\n"]}