diff options
Diffstat (limited to 'src/client/util/DragManager.ts')
| -rw-r--r-- | src/client/util/DragManager.ts | 108 |
1 files changed, 90 insertions, 18 deletions
diff --git a/src/client/util/DragManager.ts b/src/client/util/DragManager.ts index f4dcce7c8..513a6ac9e 100644 --- a/src/client/util/DragManager.ts +++ b/src/client/util/DragManager.ts @@ -1,3 +1,39 @@ +import { DocumentDecorations } from "../views/DocumentDecorations"; +import { CollectionDockingView } from "../views/collections/CollectionDockingView"; +import { Document } from "../../fields/Document" +import { action } from "mobx"; +import { DocumentView } from "../views/nodes/DocumentView"; +import { ImageField } from "../../fields/ImageField"; +import { KeyStore } from "../../fields/KeyStore"; + +export function setupDrag(_reference: React.RefObject<HTMLDivElement>, docFunc: () => Document) { + let onRowMove = action((e: PointerEvent): void => { + e.stopPropagation(); + e.preventDefault(); + + document.removeEventListener("pointermove", onRowMove); + document.removeEventListener('pointerup', onRowUp); + DragManager.StartDrag(_reference.current!, { document: docFunc() }); + }); + 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); + } else { + document.addEventListener("pointermove", onRowMove); + document.addEventListener('pointerup', onRowUp); + } + } + //} + } + return onItemDown; +} export namespace DragManager { export function Root() { @@ -43,6 +79,7 @@ export namespace DragManager { drop: (e: Event, de: DropEvent) => void; } + 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"); @@ -59,10 +96,8 @@ export namespace DragManager { }; } - - let _lastPointerX: number = 0; - let _lastPointerY: number = 0; - export function StartDrag(ele: HTMLElement, dragData: { [id: string]: any }, options: DragOptions) { + export function StartDrag(ele: HTMLElement, dragData: { [id: string]: any }, options?: DragOptions) { + DocumentDecorations.Instance.Hidden = true; if (!dragDiv) { dragDiv = document.createElement("div"); DragManager.Root().appendChild(dragDiv); @@ -72,49 +107,83 @@ export namespace DragManager { 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 = `${rect.height / scaleY}px`; + + // bcz: PDFs don't show up if you clone them because they contain a canvas. + // however, PDF's have a thumbnail field that contains an image of their canvas. + // So we replace the pdf's canvas with the image thumbnail + const docView: DocumentView = dragData["documentView"]; + const doc: Document = docView ? docView.props.Document : dragData["document"]; + var pdfBox = dragElement.getElementsByClassName("pdfBox-cont")[0] as HTMLElement; + let thumbnail = doc.GetT(KeyStore.Thumbnail, ImageField); + if (pdfBox && pdfBox.childElementCount && thumbnail) { + let img = new Image(); + img!.src = thumbnail.toString(); + img!.style.position = "absolute"; + img!.style.width = `${rect.width / scaleX}px`; + img!.style.height = `${rect.height / scaleY}px`; + pdfBox.replaceChild(img!, pdfBox.children[0]) + } + dragDiv.appendChild(dragElement); - _lastPointerX = dragData["xOffset"] + rect.left; - _lastPointerY = dragData["yOffset"] + rect.top; let hideSource = false; - if (typeof options.hideSource === "boolean") { - hideSource = options.hideSource; - } else { - hideSource = options.hideSource(); + if (options) { + if (typeof options.hideSource === "boolean") { + hideSource = options.hideSource; + } else { + hideSource = options.hideSource(); + } } const wasHidden = ele.hidden; if (hideSource) { ele.hidden = true; } - const moveHandler = (e: PointerEvent) => { e.stopPropagation(); e.preventDefault(); - x += e.clientX - _lastPointerX; _lastPointerX = e.clientX; - y += e.clientY - _lastPointerY; _lastPointerY = e.clientY; + x += e.movementX; + y += e.movementY; + if (e.shiftKey) { + abortDrag(); + CollectionDockingView.Instance.StartOtherDrag(doc, { pageX: e.pageX, pageY: e.pageY, preventDefault: () => { }, button: 0 }); + } dragElement.style.transform = `translate(${x}px, ${y}px) scale(${scaleX}, ${scaleY})`; }; - const upHandler = (e: PointerEvent) => { + + const abortDrag = () => { document.removeEventListener("pointermove", moveHandler, true); document.removeEventListener("pointerup", upHandler); - FinishDrag(dragElement, e, options, dragData); + dragDiv.removeChild(dragElement); if (hideSource && !wasHidden) { ele.hidden = false; } + } + const upHandler = (e: PointerEvent) => { + abortDrag(); + FinishDrag(ele, e, dragData, options); }; document.addEventListener("pointermove", moveHandler, true); document.addEventListener("pointerup", upHandler); } - function FinishDrag(dragEle: HTMLElement, e: PointerEvent, options: DragOptions, dragData: { [index: string]: any }) { - dragDiv.removeChild(dragEle); + function FinishDrag(dragEle: HTMLElement, e: PointerEvent, dragData: { [index: string]: any }, options?: DragOptions) { + let parent = dragEle.parentElement; + if (parent) + parent.removeChild(dragEle); const target = document.elementFromPoint(e.x, e.y); + if (parent) + parent.appendChild(dragEle); if (!target) { return; } @@ -126,6 +195,9 @@ export namespace DragManager { data: dragData } })); - options.handlers.dragComplete({}); + if (options) { + options.handlers.dragComplete({}); + } + DocumentDecorations.Instance.Hidden = false; } }
\ No newline at end of file |