diff options
Diffstat (limited to 'src/client/util/DragManager.ts')
| -rw-r--r-- | src/client/util/DragManager.ts | 295 |
1 files changed, 185 insertions, 110 deletions
diff --git a/src/client/util/DragManager.ts b/src/client/util/DragManager.ts index 753115f76..e8f8cce7c 100644 --- a/src/client/util/DragManager.ts +++ b/src/client/util/DragManager.ts @@ -1,40 +1,48 @@ import { DocumentDecorations } from "../views/DocumentDecorations"; import { CollectionDockingView } from "../views/collections/CollectionDockingView"; -import { Document } from "../../fields/Document" +import { Document } from "../../fields/Document"; import { action } from "mobx"; import { ImageField } from "../../fields/ImageField"; import { KeyStore } from "../../fields/KeyStore"; import { CollectionView } from "../views/collections/CollectionView"; import { DocumentView } from "../views/nodes/DocumentView"; -export function setupDrag(_reference: React.RefObject<HTMLDivElement>, docFunc: () => Document, removeFunc: (containingCollection: CollectionView) => void = () => { }) { - let onRowMove = action((e: PointerEvent): void => { - e.stopPropagation(); - e.preventDefault(); - - document.removeEventListener("pointermove", onRowMove); - document.removeEventListener('pointerup', onRowUp); - var dragData = new DragManager.DocumentDragData(docFunc()); - dragData.removeDocument = removeFunc; - DragManager.StartDocumentDrag(_reference.current!, dragData); - }); - let onRowUp = action((e: PointerEvent): void => { - document.removeEventListener("pointermove", onRowMove); - document.removeEventListener('pointerup', onRowUp); - }); +export function setupDrag( + _reference: React.RefObject<HTMLDivElement>, + docFunc: () => Document, + removeFunc: (containingCollection: CollectionView) => void = () => { } +) { + let onRowMove = action( + (e: PointerEvent): void => { + e.stopPropagation(); + e.preventDefault(); + + document.removeEventListener("pointermove", onRowMove); + document.removeEventListener("pointerup", onRowUp); + var dragData = new DragManager.DocumentDragData([docFunc()]); + dragData.removeDocument = removeFunc; + DragManager.StartDocumentDrag([_reference.current!], dragData); + } + ); + let onRowUp = action( + (e: PointerEvent): void => { + document.removeEventListener("pointermove", onRowMove); + document.removeEventListener("pointerup", onRowUp); + } + ); let onItemDown = (e: React.PointerEvent) => { // if (this.props.isSelected() || this.props.isTopMost) { if (e.button == 0) { e.stopPropagation(); if (e.shiftKey) { - CollectionDockingView.Instance.StartOtherDrag(docFunc(), e); + CollectionDockingView.Instance.StartOtherDrag([docFunc()], e); } else { document.addEventListener("pointermove", onRowMove); - document.addEventListener('pointerup', onRowUp); + document.addEventListener("pointerup", onRowUp); } } //} - } + }; return onItemDown; } @@ -50,7 +58,9 @@ export namespace DragManager { let dragDiv: HTMLDivElement; export enum DragButtons { - Left = 1, Right = 2, Both = Left | Right + Left = 1, + Right = 2, + Both = Left | Right } interface DragOptions { @@ -63,8 +73,7 @@ export namespace DragManager { (): void; } - export class DragCompleteEvent { - } + export class DragCompleteEvent { } export interface DragHandlers { dragComplete: (e: DragCompleteEvent) => void; @@ -74,19 +83,25 @@ export namespace DragManager { handlers: DropHandlers; } export class DropEvent { - constructor(readonly x: number, readonly y: number, readonly data: { [id: string]: any }) { } + constructor( + readonly x: number, + readonly y: number, + readonly data: { [id: string]: any } + ) { } } - - export interface DropHandlers { drop: (e: Event, de: DropEvent) => void; } - - export function MakeDropTarget(element: HTMLElement, options: DropOptions): DragDropDisposer { + export function MakeDropTarget( + element: HTMLElement, + options: DropOptions + ): DragDropDisposer { if ("canDrop" in element.dataset) { - throw new Error("Element is already droppable, can't make it droppable again"); + throw new Error( + "Element is already droppable, can't make it droppable again" + ); } element.dataset["canDrop"] = "true"; const handler = (e: Event) => { @@ -96,78 +111,120 @@ export namespace DragManager { element.addEventListener("dashOnDrop", handler); return () => { element.removeEventListener("dashOnDrop", handler); - delete element.dataset["canDrop"] + delete element.dataset["canDrop"]; }; } export class DocumentDragData { - constructor(dragDoc: Document) { - this.draggedDocument = dragDoc; - this.droppedDocument = dragDoc; + constructor(dragDoc: Document[]) { + this.draggedDocuments = dragDoc; + this.droppedDocuments = dragDoc; } - draggedDocument: Document; - droppedDocument: Document; + draggedDocuments: Document[]; + droppedDocuments: Document[]; xOffset?: number; yOffset?: number; aliasOnDrop?: boolean; removeDocument?: (collectionDrop: CollectionView) => void; [id: string]: any; } - export function StartDocumentDrag(ele: HTMLElement, dragData: DocumentDragData, options?: DragOptions) { - StartDrag(ele, dragData, options, (dropData: { [id: string]: any }) => dropData.droppedDocument = dragData.aliasOnDrop ? dragData.draggedDocument.CreateAlias() : dragData.draggedDocument); + + export function StartDocumentDrag( + eles: HTMLElement[], + dragData: DocumentDragData, + options?: DragOptions + ) { + StartDrag( + eles, + dragData, + options, + (dropData: { [id: string]: any }) => + (dropData.droppedDocuments = dragData.aliasOnDrop + ? dragData.draggedDocuments.map(d => d.CreateAlias()) + : dragData.draggedDocuments) + ); } export class LinkDragData { constructor(linkSourceDoc: DocumentView) { this.linkSourceDocumentView = linkSourceDoc; } + droppedDocuments: Document[] = []; linkSourceDocumentView: DocumentView; [id: string]: any; } - export function StartLinkDrag(ele: HTMLElement, dragData: LinkDragData, options?: DragOptions) { - StartDrag(ele, dragData, options); + export function StartLinkDrag( + ele: HTMLElement, + dragData: LinkDragData, + options?: DragOptions + ) { + StartDrag([ele], dragData, options); } - function StartDrag(ele: HTMLElement, dragData: { [id: string]: any }, options?: DragOptions, finishDrag?: (dropData: { [id: string]: any }) => void) { + function StartDrag( + eles: HTMLElement[], + dragData: { [id: string]: any }, + options?: DragOptions, + finishDrag?: (dropData: { [id: string]: any }) => void + ) { if (!dragDiv) { dragDiv = document.createElement("div"); - dragDiv.className = "dragManager-dragDiv" + dragDiv.className = "dragManager-dragDiv"; DragManager.Root().appendChild(dragDiv); } - const w = ele.offsetWidth, h = ele.offsetHeight; - const rect = ele.getBoundingClientRect(); - const scaleX = rect.width / w, scaleY = rect.height / h; - let x = rect.left, y = rect.top; - // const offsetX = e.x - rect.left, offsetY = e.y - rect.top; - - let dragElement = ele.cloneNode(true) as HTMLElement; - dragElement.style.opacity = "0.7"; - dragElement.style.position = "absolute"; - dragElement.style.bottom = ""; - dragElement.style.left = ""; - dragElement.style.transformOrigin = "0 0"; - dragElement.style.zIndex = "1000"; - dragElement.style.transform = `translate(${x}px, ${y}px) scale(${scaleX}, ${scaleY})`; - dragElement.style.width = `${rect.width / scaleX}px`; - dragElement.style.height = `${rect.height / scaleY}px`; - - // bcz: PDFs don't show up if you clone them because they contain a canvas. - // however, PDF's have a thumbnail field that contains an image of their canvas. - // So we replace the pdf's canvas with the image thumbnail - const doc: Document = dragData["draggedDocument"]; - if (doc) { - var pdfBox = dragElement.getElementsByClassName("pdfBox-cont")[0] as HTMLElement; - let thumbnail = doc.GetT(KeyStore.Thumbnail, ImageField); - if (pdfBox && pdfBox.childElementCount && thumbnail) { - let img = new Image(); - img!.src = thumbnail.toString(); - img!.style.position = "absolute"; - img!.style.width = `${rect.width / scaleX}px`; - img!.style.height = `${rect.height / scaleY}px`; - pdfBox.replaceChild(img!, pdfBox.children[0]) + + let scaleXs: number[] = []; + let scaleYs: number[] = []; + let xs: number[] = []; + let ys: number[] = []; + + const docs: Document[] = + dragData instanceof DocumentDragData ? dragData.draggedDocuments : []; + let dragElements = eles.map(ele => { + const w = ele.offsetWidth, + h = ele.offsetHeight; + const rect = ele.getBoundingClientRect(); + const scaleX = rect.width / w, + scaleY = rect.height / h; + let x = rect.left, + y = rect.top; + xs.push(x); + ys.push(y); + scaleXs.push(scaleX); + scaleYs.push(scaleY); + let dragElement = ele.cloneNode(true) as HTMLElement; + dragElement.style.opacity = "0.7"; + dragElement.style.position = "absolute"; + dragElement.style.margin = "0"; + dragElement.style.top = "0"; + dragElement.style.bottom = ""; + dragElement.style.left = "0"; + dragElement.style.transformOrigin = "0 0"; + dragElement.style.zIndex = "1000"; + dragElement.style.transform = `translate(${x}px, ${y}px) scale(${scaleX}, ${scaleY})`; + dragElement.style.width = `${rect.width / scaleX}px`; + dragElement.style.height = `${rect.height / scaleY}px`; + + // bcz: PDFs don't show up if you clone them because they contain a canvas. + // however, PDF's have a thumbnail field that contains an image of their canvas. + // So we replace the pdf's canvas with the image thumbnail + if (docs.length) { + var pdfBox = dragElement.getElementsByClassName( + "pdfBox-cont" + )[0] as HTMLElement; + let thumbnail = docs[0].GetT(KeyStore.Thumbnail, ImageField); + if (pdfBox && pdfBox.childElementCount && thumbnail) { + let img = new Image(); + img!.src = thumbnail.toString(); + img!.style.position = "absolute"; + img!.style.width = `${rect.width / scaleX}px`; + img!.style.height = `${rect.height / scaleY}px`; + pdfBox.replaceChild(img!, pdfBox.children[0]); + } } - } - dragDiv.appendChild(dragElement); + dragDiv.appendChild(dragElement); + return dragElement; + }); let hideSource = false; if (options) { @@ -177,63 +234,81 @@ export namespace DragManager { hideSource = options.hideSource(); } } - const wasHidden = ele.hidden; - if (hideSource) { - ele.hidden = true; - } + eles.map(ele => (ele.hidden = hideSource)); + const moveHandler = (e: PointerEvent) => { e.stopPropagation(); e.preventDefault(); - x += e.movementX; - y += e.movementY; + if (dragData instanceof DocumentDragData) + dragData.aliasOnDrop = e.ctrlKey || e.altKey; if (e.shiftKey) { abortDrag(); - CollectionDockingView.Instance.StartOtherDrag(doc, { pageX: e.pageX, pageY: e.pageY, preventDefault: () => { }, button: 0 }); + CollectionDockingView.Instance.StartOtherDrag(docs, { + pageX: e.pageX, + pageY: e.pageY, + preventDefault: () => { }, + button: 0 + }); } - dragElement.style.transform = `translate(${x}px, ${y}px) scale(${scaleX}, ${scaleY})`; + dragElements.map( + (dragElement, i) => + (dragElement.style.transform = `translate(${(xs[i] += + e.movementX)}px, ${(ys[i] += e.movementY)}px) scale(${ + scaleXs[i] + }, ${scaleYs[i]})`) + ); }; const abortDrag = () => { document.removeEventListener("pointermove", moveHandler, true); document.removeEventListener("pointerup", upHandler); - dragDiv.removeChild(dragElement); - if (hideSource && !wasHidden) { - ele.hidden = false; - } - } + dragElements.map(dragElement => dragDiv.removeChild(dragElement)); + eles.map(ele => (ele.hidden = false)); + }; const upHandler = (e: PointerEvent) => { abortDrag(); - FinishDrag(ele, e, dragData, options, finishDrag); + FinishDrag(eles, e, dragData, options, finishDrag); }; document.addEventListener("pointermove", moveHandler, true); document.addEventListener("pointerup", upHandler); } - function FinishDrag(dragEle: HTMLElement, e: PointerEvent, dragData: { [index: string]: any }, options?: DragOptions, finishDrag?: (dragData: { [index: string]: any }) => void) { - let parent = dragEle.parentElement; - if (parent) - parent.removeChild(dragEle); + function FinishDrag( + dragEles: HTMLElement[], + e: PointerEvent, + dragData: { [index: string]: any }, + options?: DragOptions, + finishDrag?: (dragData: { [index: string]: any }) => void + ) { + let removed = dragEles.map(dragEle => { + let parent = dragEle.parentElement; + if (parent) parent.removeChild(dragEle); + return [dragEle, parent]; + }); const target = document.elementFromPoint(e.x, e.y); - if (parent) - parent.appendChild(dragEle); - if (!target) { - return; - } - if (finishDrag) - finishDrag(dragData); - - target.dispatchEvent(new CustomEvent<DropEvent>("dashOnDrop", { - bubbles: true, - detail: { - x: e.x, - y: e.y, - data: dragData - } - })); + removed.map(r => { + let dragEle: HTMLElement = r[0]!; + let parent: HTMLElement | null = r[1]; + if (parent) parent.appendChild(dragEle); + }); + if (target) { + if (finishDrag) finishDrag(dragData); - if (options) { - options.handlers.dragComplete({}); + target.dispatchEvent( + new CustomEvent<DropEvent>("dashOnDrop", { + bubbles: true, + detail: { + x: e.x, + y: e.y, + data: dragData + } + }) + ); + + if (options) { + options.handlers.dragComplete({}); + } } DocumentDecorations.Instance.Hidden = false; } -}
\ No newline at end of file +} |