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@ -6,56 +6,90 @@ |
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* Copyright (c) Squidex UG (haftungsbeschränkt). All rights reserved. |
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* Copyright (c) Squidex UG (haftungsbeschränkt). All rights reserved. |
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*/ |
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*/ |
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import { Directive, EventEmitter, Output } from '@angular/core'; |
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import { Directive, ElementRef, EventEmitter, Input, OnDestroy, OnInit, Output, Renderer2 } from '@angular/core'; |
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import { |
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import * as dragula from 'dragula'; |
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DragDropSortableService, |
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SortableComponent, |
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SortableContainer |
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} from 'ng2-dnd'; |
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@Directive({ |
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@Directive({ |
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selector: '[sqxSorted]' |
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selector: '[sqxSortModel]' |
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}) |
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}) |
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export class SortedDirective { |
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export class SortedDirective implements OnDestroy, OnInit { |
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private oldArray: any[]; |
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private drake: dragula.Drake; |
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@Input('sqxSortModel') |
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public sortModel: any[]; |
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@Input() |
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public handleClass: string | null = null; |
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@Output('sqxSorted') |
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@Output('sqxSorted') |
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public sorted = new EventEmitter<Array<any>>(); |
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public sorted = new EventEmitter<any[]>(); |
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constructor( |
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constructor( |
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sortableComponent: SortableComponent, |
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private readonly elementRef: ElementRef, |
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sortableContainer: SortableContainer, |
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private readonly renderer: Renderer2 |
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sortableDragDropService: DragDropSortableService |
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) { |
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) { |
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const oldDragStartCallback = sortableComponent._onDragStartCallback.bind(sortableComponent); |
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} |
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if (Array.isArray(sortableContainer.sortableData)) { |
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public ngOnDestroy() { |
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sortableComponent._onDragStartCallback = () => { |
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this.drake.destroy(); |
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oldDragStartCallback(); |
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} |
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this.oldArray = [...<any>sortableContainer.sortableData]; |
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public ngOnInit() { |
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}; |
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const handleClass = this.handleClass; |
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const oldDropCallback = sortableComponent._onDropCallback.bind(sortableComponent); |
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this.drake = dragula([this.elementRef.nativeElement], { |
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ignoreInputTextSelection: true, |
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sortableComponent._onDropCallback = (event: Event) => { |
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moves: (element, container, handle: HTMLElement) => { |
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oldDropCallback(event); |
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if (!handleClass) { |
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return true; |
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} |
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if (sortableDragDropService.isDragged) { |
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let current: HTMLElement | null = handle; |
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const newArray: any[] = <any>sortableContainer.sortableData; |
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const oldArray = this.oldArray; |
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if (newArray && oldArray && newArray.length === oldArray.length) { |
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while (current && current !== container) { |
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for (let i = 0; i < oldArray.length; i++) { |
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if (current.classList.contains(handleClass)) { |
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if (oldArray[i] !== newArray[i]) { |
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return true; |
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this.sorted.emit(newArray); |
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break; |
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} |
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} |
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current = <any>current.parentNode; |
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} |
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} |
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return false; |
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} |
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} |
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}); |
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let dragIndex: number; |
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let dropIndex: number; |
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this.drake.on('dragend', (element: any, container: any) => { |
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this.renderer.removeClass(element, 'sorting'); |
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}); |
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this.drake.on('drag', (element: any, container: any) => { |
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this.renderer.addClass(element, 'sorting'); |
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dragIndex = this.domIndexOf(container, element); |
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}); |
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this.drake.on('drop', (element: any, container: any) => { |
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dropIndex = this.domIndexOf(container, element); |
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if (this.sortModel && dragIndex !== dropIndex) { |
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const newModel = [...this.sortModel]; |
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const item = this.sortModel[dragIndex]; |
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newModel.splice(dragIndex, 1); |
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newModel.splice(dropIndex, 0, item); |
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this.sorted.emit(newModel); |
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} |
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} |
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}; |
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}); |
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} |
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} |
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private domIndexOf(parent: any, child: any): any { |
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return Array.prototype.indexOf.call(parent.children, child); |
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} |
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} |
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} |
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} |
Sebastian
8 years ago