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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 { Overlay, ScrollStrategyOptions } from '@angular/cdk/overlay'; import { ComponentPortal } from '@angular/cdk/portal'; import { Injectable, ElementRef } from '@angular/core'; import { Subject, Subscription } from 'rxjs'; import { ContextMenuContentComponent } from './contextMenuContent.component'; /** * @record */ export function IContextMenuClickEvent() { } function IContextMenuClickEvent_tsickle_Closure_declarations() { /** @type {?|undefined} */ IContextMenuClickEvent.prototype.anchorElement; /** @type {?|undefined} */ IContextMenuClickEvent.prototype.contextMenu; /** @type {?|undefined} */ IContextMenuClickEvent.prototype.event; /** @type {?|undefined} */ IContextMenuClickEvent.prototype.parentContextMenu; /** @type {?} */ IContextMenuClickEvent.prototype.item; /** @type {?|undefined} */ IContextMenuClickEvent.prototype.activeMenuItemIndex; } /** * @record */ export function IContextMenuContext() { } function IContextMenuContext_tsickle_Closure_declarations() { /** @type {?} */ IContextMenuContext.prototype.menuItems; /** @type {?} */ IContextMenuContext.prototype.menuClass; } /** * @record */ export function CloseLeafMenuEvent() { } function CloseLeafMenuEvent_tsickle_Closure_declarations() { /** @type {?|undefined} */ CloseLeafMenuEvent.prototype.exceptRootMenu; /** @type {?|undefined} */ CloseLeafMenuEvent.prototype.event; } /** * @record */ export function OverlayRefWithContextMenu() { } function OverlayRefWithContextMenu_tsickle_Closure_declarations() { /** @type {?|undefined} */ OverlayRefWithContextMenu.prototype.contextMenu; } /** * @record */ export function CancelContextMenuEvent() { } function CancelContextMenuEvent_tsickle_Closure_declarations() { /** @type {?} */ CancelContextMenuEvent.prototype.eventType; /** @type {?|undefined} */ CancelContextMenuEvent.prototype.event; } /** * @record */ export function ExecuteContextMenuEvent() { } function ExecuteContextMenuEvent_tsickle_Closure_declarations() { /** @type {?} */ ExecuteContextMenuEvent.prototype.eventType; /** @type {?|undefined} */ ExecuteContextMenuEvent.prototype.event; /** @type {?} */ ExecuteContextMenuEvent.prototype.item; /** @type {?} */ ExecuteContextMenuEvent.prototype.menuItem; } export class ContextMenuService { /** * @param {?} overlay * @param {?} scrollStrategy */ constructor(overlay, scrollStrategy) { this.overlay = overlay; this.scrollStrategy = scrollStrategy; this.isDestroyingLeafMenu = false; this.show = new Subject(); this.triggerClose = new Subject(); this.close = new Subject(); this.overlays = []; this.fakeElement = { getBoundingClientRect: () => ({ bottom: 0, height: 0, left: 0, right: 0, top: 0, width: 0, }) }; } /** * @param {?} context * @return {?} */ openContextMenu(context) { const { anchorElement, event, parentContextMenu } = context; if (!parentContextMenu) { const /** @type {?} */ mouseEvent = /** @type {?} */ (event); this.fakeElement.getBoundingClientRect = () => ({ bottom: mouseEvent.clientY, height: 0, left: mouseEvent.clientX, right: mouseEvent.clientX, top: mouseEvent.clientY, width: 0, }); this.closeAllContextMenus({ eventType: 'cancel', event }); const /** @type {?} */ positionStrategy = this.overlay.position().connectedTo(new ElementRef(anchorElement || this.fakeElement), { originX: 'start', originY: 'bottom' }, { overlayX: 'start', overlayY: 'top' }) .withFallbackPosition({ originX: 'start', originY: 'top' }, { overlayX: 'start', overlayY: 'bottom' }) .withFallbackPosition({ originX: 'end', originY: 'top' }, { overlayX: 'start', overlayY: 'top' }) .withFallbackPosition({ originX: 'start', originY: 'top' }, { overlayX: 'end', overlayY: 'top' }) .withFallbackPosition({ originX: 'end', originY: 'center' }, { overlayX: 'start', overlayY: 'center' }) .withFallbackPosition({ originX: 'start', originY: 'center' }, { overlayX: 'end', overlayY: 'center' }); this.overlays = [this.overlay.create({ positionStrategy, panelClass: 'ngx-contextmenu', scrollStrategy: this.scrollStrategy.close(), })]; this.attachContextMenu(this.overlays[0], context); } else { const /** @type {?} */ positionStrategy = this.overlay.position().connectedTo(new ElementRef(event ? event.target : anchorElement), { originX: 'end', originY: 'top' }, { overlayX: 'start', overlayY: 'top' }) .withFallbackPosition({ originX: 'start', originY: 'top' }, { overlayX: 'end', overlayY: 'top' }) .withFallbackPosition({ originX: 'end', originY: 'bottom' }, { overlayX: 'start', overlayY: 'bottom' }) .withFallbackPosition({ originX: 'start', originY: 'bottom' }, { overlayX: 'end', overlayY: 'bottom' }); const /** @type {?} */ newOverlay = this.overlay.create({ positionStrategy, panelClass: 'ngx-contextmenu', scrollStrategy: this.scrollStrategy.close(), }); this.destroySubMenus(parentContextMenu); this.overlays = this.overlays.concat(newOverlay); this.attachContextMenu(newOverlay, context); } } /** * @param {?} overlay * @param {?} context * @return {?} */ attachContextMenu(overlay, context) { const { event, item, menuItems, menuClass } = context; const /** @type {?} */ contextMenuContent = overlay.attach(new ComponentPortal(ContextMenuContentComponent)); contextMenuContent.instance.event = event; contextMenuContent.instance.item = item; contextMenuContent.instance.menuItems = menuItems; contextMenuContent.instance.overlay = overlay; contextMenuContent.instance.isLeaf = true; contextMenuContent.instance.menuClass = menuClass; (/** @type {?} */ (overlay)).contextMenu = contextMenuContent.instance; const /** @type {?} */ subscriptions = new Subscription(); subscriptions.add(contextMenuContent.instance.execute.asObservable() .subscribe((executeEvent) => this.closeAllContextMenus(Object.assign({ eventType: 'execute' }, executeEvent)))); subscriptions.add(contextMenuContent.instance.closeAllMenus.asObservable() .subscribe((closeAllEvent) => this.closeAllContextMenus(Object.assign({ eventType: 'cancel' }, closeAllEvent)))); subscriptions.add(contextMenuContent.instance.closeLeafMenu.asObservable() .subscribe(closeLeafMenuEvent => this.destroyLeafMenu(closeLeafMenuEvent))); subscriptions.add(contextMenuContent.instance.openSubMenu.asObservable() .subscribe((subMenuEvent) => { this.destroySubMenus(contextMenuContent.instance); if (!subMenuEvent.contextMenu) { contextMenuContent.instance.isLeaf = true; return; } contextMenuContent.instance.isLeaf = false; this.show.next(subMenuEvent); })); contextMenuContent.onDestroy(() => { menuItems.forEach(menuItem => menuItem.isActive = false); subscriptions.unsubscribe(); }); contextMenuContent.changeDetectorRef.detectChanges(); } /** * @param {?} closeEvent * @return {?} */ closeAllContextMenus(closeEvent) { if (this.overlays) { this.close.next(closeEvent); this.overlays.forEach((overlay, index) => { overlay.detach(); overlay.dispose(); }); } this.overlays = []; } /** * @return {?} */ getLastAttachedOverlay() { let /** @type {?} */ overlay = this.overlays[this.overlays.length - 1]; while (this.overlays.length > 1 && overlay && !overlay.hasAttached()) { overlay.detach(); overlay.dispose(); this.overlays = this.overlays.slice(0, -1); overlay = this.overlays[this.overlays.length - 1]; } return overlay; } /** * @param {?=} __0 * @return {?} */ destroyLeafMenu({ exceptRootMenu, event } = {}) { if (this.isDestroyingLeafMenu) { return; } this.isDestroyingLeafMenu = true; setTimeout(() => { const /** @type {?} */ overlay = this.getLastAttachedOverlay(); if (this.overlays.length > 1 && overlay) { overlay.detach(); overlay.dispose(); } if (!exceptRootMenu && this.overlays.length > 0 && overlay) { this.close.next({ eventType: 'cancel', event }); overlay.detach(); overlay.dispose(); } const /** @type {?} */ newLeaf = this.getLastAttachedOverlay(); if (newLeaf) { newLeaf.contextMenu.isLeaf = true; } this.isDestroyingLeafMenu = false; }); } /** * @param {?} contextMenu * @return {?} */ destroySubMenus(contextMenu) { const /** @type {?} */ overlay = contextMenu.overlay; const /** @type {?} */ index = this.overlays.indexOf(overlay); this.overlays.slice(index + 1).forEach(subMenuOverlay => { subMenuOverlay.detach(); subMenuOverlay.dispose(); }); } /** * @param {?} contextMenuContent * @return {?} */ isLeafMenu(contextMenuContent) { const /** @type {?} */ overlay = this.getLastAttachedOverlay(); return contextMenuContent.overlay === overlay; } } ContextMenuService.decorators = [ { type: Injectable }, ]; /** @nocollapse */ ContextMenuService.ctorParameters = () => [ { type: Overlay }, { type: ScrollStrategyOptions } ]; function ContextMenuService_tsickle_Closure_declarations() { /** @type {?} */ ContextMenuService.prototype.isDestroyingLeafMenu; /** @type {?} */ ContextMenuService.prototype.show; /** @type {?} */ ContextMenuService.prototype.triggerClose; /** @type {?} */ ContextMenuService.prototype.close; /** @type {?} */ ContextMenuService.prototype.contextMenuContent; /** @type {?} */ ContextMenuService.prototype.overlays; /** @type {?} */ ContextMenuService.prototype.fakeElement; /** @type {?} */ ContextMenuService.prototype.overlay; /** @type {?} */ ContextMenuService.prototype.scrollStrategy; } //# 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{ Overlay, OverlayRef, ScrollStrategyOptions } from '@angular/cdk/overlay';\nimport { ComponentPortal } from '@angular/cdk/portal';\nimport { ComponentRef, Injectable, ElementRef } from '@angular/core';\nimport { Subject, Subscription } from 'rxjs';\n\nimport { ContextMenuComponent } from './contextMenu.component';\nimport { ContextMenuItemDirective } from './contextMenu.item.directive';\nimport { ContextMenuContentComponent } from './contextMenuContent.component';\n\nexport interface IContextMenuClickEvent {\n  anchorElement?: Element | EventTarget;\n  contextMenu?: ContextMenuComponent;\n  event?: MouseEvent | KeyboardEvent;\n  parentContextMenu?: ContextMenuContentComponent;\n  item: any;\n  activeMenuItemIndex?: number;\n}\nexport interface IContextMenuContext extends IContextMenuClickEvent {\n  menuItems: ContextMenuItemDirective[];\n  menuClass: string;\n}\nexport interface CloseLeafMenuEvent {\n  exceptRootMenu?: boolean;\n  event?: MouseEvent | KeyboardEvent;\n}\nexport interface OverlayRefWithContextMenu extends OverlayRef {\n  contextMenu?: ContextMenuContentComponent;\n}\n\nexport interface CancelContextMenuEvent {\n  eventType: 'cancel';\n  event?: MouseEvent | KeyboardEvent;\n}\nexport interface ExecuteContextMenuEvent {\n  eventType: 'execute';\n  event?: MouseEvent | KeyboardEvent;\n  item: any;\n  menuItem: ContextMenuItemDirective;\n}\nexport type CloseContextMenuEvent = ExecuteContextMenuEvent | CancelContextMenuEvent;\n\n@Injectable()\nexport class ContextMenuService {\n  public isDestroyingLeafMenu = false;\n\n  public show: Subject<IContextMenuClickEvent> = new Subject<IContextMenuClickEvent>();\n  public triggerClose: Subject<ContextMenuContentComponent> = new Subject();\n  public close: Subject<CloseContextMenuEvent> = new Subject();\n\n  private contextMenuContent: ComponentRef<ContextMenuContentComponent>;\n  private overlays: OverlayRef[] = [];\n  private fakeElement: any = {\n    getBoundingClientRect: (): ClientRect => ({\n      bottom: 0,\n      height: 0,\n      left: 0,\n      right: 0,\n      top: 0,\n      width: 0,\n    })\n  };\n\n  constructor(\n    private overlay: Overlay,\n    private scrollStrategy: ScrollStrategyOptions,\n  ) { }\n\n  public openContextMenu(context: IContextMenuContext) {\n    const { anchorElement, event, parentContextMenu } = context;\n\n    if (!parentContextMenu) {\n      const mouseEvent = event as MouseEvent;\n      this.fakeElement.getBoundingClientRect = (): ClientRect => ({\n        bottom: mouseEvent.clientY,\n        height: 0,\n        left: mouseEvent.clientX,\n        right: mouseEvent.clientX,\n        top: mouseEvent.clientY,\n        width: 0,\n      });\n      this.closeAllContextMenus({ eventType: 'cancel', event });\n      const positionStrategy = this.overlay.position().connectedTo(\n        new ElementRef(anchorElement || this.fakeElement),\n        { originX: 'start', originY: 'bottom' },\n        { overlayX: 'start', overlayY: 'top' })\n        .withFallbackPosition(\n        { originX: 'start', originY: 'top' },\n        { overlayX: 'start', overlayY: 'bottom' })\n        .withFallbackPosition(\n        { originX: 'end', originY: 'top' },\n        { overlayX: 'start', overlayY: 'top' })\n        .withFallbackPosition(\n        { originX: 'start', originY: 'top' },\n        { overlayX: 'end', overlayY: 'top' })\n        .withFallbackPosition(\n        { originX: 'end', originY: 'center' },\n        { overlayX: 'start', overlayY: 'center' })\n        .withFallbackPosition(\n        { originX: 'start', originY: 'center' },\n        { overlayX: 'end', overlayY: 'center' })\n        ;\n      this.overlays = [this.overlay.create({\n        positionStrategy,\n        panelClass: 'ngx-contextmenu',\n        scrollStrategy: this.scrollStrategy.close(),\n      })];\n      this.attachContextMenu(this.overlays[0], context);\n    } else {\n      const positionStrategy = this.overlay.position().connectedTo(\n        new ElementRef(event ? event.target : anchorElement),\n        { originX: 'end', originY: 'top' },\n        { overlayX: 'start', overlayY: 'top' })\n        .withFallbackPosition(\n        { originX: 'start', originY: 'top' },\n        { overlayX: 'end', overlayY: 'top' })\n        .withFallbackPosition(\n        { originX: 'end', originY: 'bottom' },\n        { overlayX: 'start', overlayY: 'bottom' })\n        .withFallbackPosition(\n        { originX: 'start', originY: 'bottom' },\n        { overlayX: 'end', overlayY: 'bottom' })\n        ;\n      const newOverlay = this.overlay.create({\n        positionStrategy,\n        panelClass: 'ngx-contextmenu',\n        scrollStrategy: this.scrollStrategy.close(),\n      });\n      this.destroySubMenus(parentContextMenu);\n      this.overlays = this.overlays.concat(newOverlay);\n      this.attachContextMenu(newOverlay, context);\n    }\n  }\n\n  public attachContextMenu(overlay: OverlayRef, context: IContextMenuContext): void {\n    const { event, item, menuItems, menuClass } = context;\n\n    const contextMenuContent: ComponentRef<ContextMenuContentComponent> = overlay.attach(new ComponentPortal(ContextMenuContentComponent));\n    contextMenuContent.instance.event = event;\n    contextMenuContent.instance.item = item;\n    contextMenuContent.instance.menuItems = menuItems;\n    contextMenuContent.instance.overlay = overlay;\n    contextMenuContent.instance.isLeaf = true;\n    contextMenuContent.instance.menuClass = menuClass;\n    (<OverlayRefWithContextMenu>overlay).contextMenu = contextMenuContent.instance;\n\n    const subscriptions: Subscription = new Subscription();\n    subscriptions.add(contextMenuContent.instance.execute.asObservable()\n      .subscribe((executeEvent) => this.closeAllContextMenus({ eventType: 'execute', ...executeEvent })));\n    subscriptions.add(contextMenuContent.instance.closeAllMenus.asObservable()\n      .subscribe((closeAllEvent) => this.closeAllContextMenus({ eventType: 'cancel', ...closeAllEvent })));\n    subscriptions.add(contextMenuContent.instance.closeLeafMenu.asObservable()\n      .subscribe(closeLeafMenuEvent => this.destroyLeafMenu(closeLeafMenuEvent)));\n    subscriptions.add(contextMenuContent.instance.openSubMenu.asObservable()\n      .subscribe((subMenuEvent: IContextMenuContext) => {\n        this.destroySubMenus(contextMenuContent.instance);\n        if (!subMenuEvent.contextMenu) {\n          contextMenuContent.instance.isLeaf = true;\n          return;\n        }\n        contextMenuContent.instance.isLeaf = false;\n        this.show.next(subMenuEvent);\n      }));\n    contextMenuContent.onDestroy(() => {\n      menuItems.forEach(menuItem => menuItem.isActive = false);\n      subscriptions.unsubscribe();\n    });\n    contextMenuContent.changeDetectorRef.detectChanges();\n  }\n\n  public closeAllContextMenus(closeEvent: CloseContextMenuEvent): void {\n    if (this.overlays) {\n      this.close.next(closeEvent);\n      this.overlays.forEach((overlay, index) => {\n        overlay.detach();\n        overlay.dispose();\n      });\n    }\n    this.overlays = [];\n  }\n\n  public getLastAttachedOverlay(): OverlayRefWithContextMenu {\n    let overlay: OverlayRef = this.overlays[this.overlays.length - 1];\n    while (this.overlays.length > 1 && overlay && !overlay.hasAttached()) {\n      overlay.detach();\n      overlay.dispose();\n      this.overlays = this.overlays.slice(0, -1);\n      overlay = this.overlays[this.overlays.length - 1];\n    }\n    return overlay;\n  }\n\n  public destroyLeafMenu({ exceptRootMenu, event }: CloseLeafMenuEvent = {}): void {\n    if (this.isDestroyingLeafMenu) {\n      return;\n    }\n    this.isDestroyingLeafMenu = true;\n\n    setTimeout(() => {\n      const overlay = this.getLastAttachedOverlay();\n      if (this.overlays.length > 1 && overlay) {\n        overlay.detach();\n        overlay.dispose();\n      }\n      if (!exceptRootMenu && this.overlays.length > 0 && overlay) {\n        this.close.next({ eventType: 'cancel', event });\n        overlay.detach();\n        overlay.dispose();\n      }\n\n      const newLeaf = this.getLastAttachedOverlay();\n      if (newLeaf) {\n        newLeaf.contextMenu.isLeaf = true;\n      }\n\n      this.isDestroyingLeafMenu = false;\n    });\n  }\n\n  public destroySubMenus(contextMenu: ContextMenuContentComponent): void {\n    const overlay = contextMenu.overlay;\n    const index = this.overlays.indexOf(overlay);\n    this.overlays.slice(index + 1).forEach(subMenuOverlay => {\n      subMenuOverlay.detach();\n      subMenuOverlay.dispose();\n    });\n  }\n\n  public isLeafMenu(contextMenuContent: ContextMenuContentComponent): boolean {\n    const overlay = this.getLastAttachedOverlay();\n    return contextMenuContent.overlay === overlay;\n  }\n}\n"]}