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August 5, 2018 16:30
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Typescript for step one
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| import { Portal, TemplatePortal } from '@angular/cdk/portal'; | |
| // [redacted] | |
| showPopUp() { | |
| if ( !this._overlayOpened) { | |
| this._startAnimation(); | |
| this.input.setValue( '', { emitEvent: true } ); | |
| this._overlayOpened = true; | |
| this._createOverlay().attach( this._portal ); | |
| } | |
| } | |
| private _createOverlay(): OverlayRef { | |
| if ( !this._overlayRef ) { | |
| this._portal = new TemplatePortal( | |
| <any>this.optionsPanel, | |
| this._viewContainerRef | |
| ); | |
| const config = this._getOverlayConfig(); | |
| this._overlayRef = this._overlay.create( config ); | |
| this._overlayRef.backdropClick().subscribe( () => { | |
| this.closeMenu(); | |
| } ); | |
| } | |
| return this._overlayRef; | |
| } | |
| closeMenu() { | |
| this._resetAnimation(); | |
| if ( this._overlayRef && !this.inlineOptions ) { | |
| this._overlayOpened = false; | |
| this._overlayRef.detach(); | |
| this._overlay = null; | |
| } | |
| } |
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