diff options
author | Eleanor Eng <eleanoreng@eleanors-mbp.devices.brown.edu> | 2019-02-25 18:58:45 -0500 |
---|---|---|
committer | Eleanor Eng <eleanoreng@eleanors-mbp.devices.brown.edu> | 2019-02-25 18:58:45 -0500 |
commit | 8d3ebd1eb393baf37932d021d6da79d46ef96a03 (patch) | |
tree | f6e0ef0cce9041525bcd5f6e0a37eee9226a9896 /src/client/util/DragManager.ts | |
parent | fa2be8b245e4ed69b771e70a98e65176785751eb (diff) | |
parent | 292ff1a8d75f8b15f9388d2c577e09a13836d5dc (diff) |
Merge branch 'master' of https://github.com/browngraphicslab/Dash-Web into contextMenu
Diffstat (limited to 'src/client/util/DragManager.ts')
-rw-r--r-- | src/client/util/DragManager.ts | 41 |
1 files changed, 26 insertions, 15 deletions
diff --git a/src/client/util/DragManager.ts b/src/client/util/DragManager.ts index f4dcce7c8..aab23f91c 100644 --- a/src/client/util/DragManager.ts +++ b/src/client/util/DragManager.ts @@ -1,3 +1,4 @@ +import { DocumentDecorations } from "../views/DocumentDecorations"; export namespace DragManager { export function Root() { @@ -43,6 +44,7 @@ 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 +61,8 @@ 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); @@ -75,18 +75,26 @@ export namespace DragManager { 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 = `${rect.height / scaleY}px`; + // It seems like the above code should be able to just be this: + // dragElement.style.transform = `translate(${x}px, ${y}px)`; + // dragElement.style.width = `${rect.width}px`; + // dragElement.style.height = `${rect.height}px`; dragDiv.appendChild(dragElement); - _lastPointerX = dragData["xOffset"] + rect.left; - _lastPointerY = dragData["yOffset"] + rect.top; let hideSource = false; - if (typeof options.hideSource === "boolean") { - hideSource = options.hideSource; - } else { - hideSource = options.hideSource(); + if (options) { + if (typeof options.hideSource === "boolean") { + hideSource = options.hideSource; + } else { + hideSource = options.hideSource(); + } } const wasHidden = ele.hidden; if (hideSource) { @@ -96,14 +104,14 @@ export namespace DragManager { const moveHandler = (e: PointerEvent) => { e.stopPropagation(); e.preventDefault(); - x += e.clientX - _lastPointerX; _lastPointerX = e.clientX; - y += e.clientY - _lastPointerY; _lastPointerY = e.clientY; + x += e.movementX; + y += e.movementY; dragElement.style.transform = `translate(${x}px, ${y}px) scale(${scaleX}, ${scaleY})`; }; const upHandler = (e: PointerEvent) => { document.removeEventListener("pointermove", moveHandler, true); document.removeEventListener("pointerup", upHandler); - FinishDrag(dragElement, e, options, dragData); + FinishDrag(dragElement, e, dragData, options); if (hideSource && !wasHidden) { ele.hidden = false; } @@ -112,7 +120,7 @@ export namespace DragManager { document.addEventListener("pointerup", upHandler); } - function FinishDrag(dragEle: HTMLElement, e: PointerEvent, options: DragOptions, dragData: { [index: string]: any }) { + function FinishDrag(dragEle: HTMLElement, e: PointerEvent, dragData: { [index: string]: any }, options?: DragOptions) { dragDiv.removeChild(dragEle); const target = document.elementFromPoint(e.x, e.y); if (!target) { @@ -126,6 +134,9 @@ export namespace DragManager { data: dragData } })); - options.handlers.dragComplete({}); + if (options) { + options.handlers.dragComplete({}); + } + DocumentDecorations.Instance.Hidden = false; } }
\ No newline at end of file |