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-rw-r--r--src/client/util/DragManager.ts103
1 files changed, 93 insertions, 10 deletions
diff --git a/src/client/util/DragManager.ts b/src/client/util/DragManager.ts
index 3e9a5b63a..a905dff0a 100644
--- a/src/client/util/DragManager.ts
+++ b/src/client/util/DragManager.ts
@@ -1,5 +1,5 @@
import { Doc, Field, DocListCast } from "../../new_fields/Doc";
-import { Cast, ScriptCast } from "../../new_fields/Types";
+import { Cast, ScriptCast, StrCast } from "../../new_fields/Types";
import { emptyFunction } from "../../Utils";
import { CollectionDockingView } from "../views/collections/CollectionDockingView";
import * as globalCssVariables from "../views/globalCssVariables.scss";
@@ -18,8 +18,10 @@ import { AudioBox } from "../views/nodes/AudioBox";
import { DateField } from "../../new_fields/DateField";
import { DocumentView } from "../views/nodes/DocumentView";
import { UndoManager } from "./UndoManager";
+import { PointData } from "../../new_fields/InkField";
+import { MainView } from "../views/MainView";
-export type dropActionType = "place" | "alias" | "copy" | undefined;
+export type dropActionType = "alias" | "copy" | "move" | undefined; // undefined = move
export function SetupDrag(
_reference: React.RefObject<HTMLElement>,
docFunc: () => Doc | Promise<Doc> | undefined,
@@ -73,6 +75,8 @@ export function SetupDrag(
export namespace DragManager {
let dragDiv: HTMLDivElement;
+ export let horizSnapLines: number[];
+ export let vertSnapLines: number[];
export function Root() {
const root = document.getElementById("root");
@@ -83,6 +87,7 @@ export namespace DragManager {
}
export let AbortDrag: () => void = emptyFunction;
export type MoveFunction = (document: Doc, targetCollection: Doc | undefined, addDocument: (document: Doc) => boolean) => boolean;
+ export type RemoveFunction = (document: Doc) => boolean;
export interface DragDropDisposer { (): void; }
export interface DragOptions {
@@ -138,6 +143,7 @@ export namespace DragManager {
userDropAction: dropActionType;
embedDoc?: boolean;
moveDocument?: MoveFunction;
+ removeDocument?: RemoveFunction;
isSelectionMove?: boolean; // indicates that an explicitly selected Document is being dragged. this will suppress onDragStart scripts
}
export class LinkDragData {
@@ -177,7 +183,8 @@ export namespace DragManager {
export function MakeDropTarget(
element: HTMLElement,
- dropFunc: (e: Event, de: DropEvent) => void
+ dropFunc: (e: Event, de: DropEvent) => void,
+ doc?: Doc
): DragDropDisposer {
if ("canDrop" in element.dataset) {
throw new Error(
@@ -185,10 +192,18 @@ export namespace DragManager {
);
}
element.dataset.canDrop = "true";
- const handler = (e: Event) => { dropFunc(e, (e as CustomEvent<DropEvent>).detail); };
+ const handler = (e: Event) => dropFunc(e, (e as CustomEvent<DropEvent>).detail);
+ const preDropHandler = (e: Event) => {
+ const de = (e as CustomEvent<DropEvent>).detail;
+ if (de.complete.docDragData && doc?.targetDropAction) {
+ de.complete.docDragData.dropAction = StrCast(doc.targetDropAction) as dropActionType;
+ }
+ };
element.addEventListener("dashOnDrop", handler);
+ doc && element.addEventListener("dashPreDrop", preDropHandler);
return () => {
element.removeEventListener("dashOnDrop", handler);
+ doc && element.removeEventListener("dashPreDrop", preDropHandler);
delete element.dataset.canDrop;
};
}
@@ -205,7 +220,7 @@ export namespace DragManager {
e.docDragData && (e.docDragData.droppedDocuments =
dragData.draggedDocuments.map(d => !dragData.isSelectionMove && !dragData.userDropAction && ScriptCast(d.onDragStart) ? addAudioTag(ScriptCast(d.onDragStart).script.run({ this: d }).result) :
dragData.userDropAction === "alias" || (!dragData.userDropAction && dragData.dropAction === "alias") ? Doc.MakeAlias(d) :
- dragData.userDropAction === "copy" || (!dragData.userDropAction && dragData.dropAction === "copy") ? Doc.MakeCopy(d, true) : d)
+ dragData.userDropAction === "copy" || (!dragData.userDropAction && dragData.dropAction === "copy") ? Doc.MakeClone(d) : d)
);
e.docDragData?.droppedDocuments.forEach((drop: Doc, i: number) =>
(dragData?.removeDropProperties || []).concat(Cast(dragData.draggedDocuments[i].removeDropProperties, listSpec("string"), [])).map(prop => drop[prop] = undefined)
@@ -281,6 +296,14 @@ export namespace DragManager {
StartDrag([ele], {}, downX, downY);
}
+ @action
+ export function SetSnapLines(horizLines: number[], vertLines: number[]) {
+ horizSnapLines = horizLines;
+ vertSnapLines = vertLines;
+ MainView.Instance._hLines = horizLines;
+ MainView.Instance._vLines = vertLines;
+ }
+
function StartDrag(eles: HTMLElement[], dragData: { [id: string]: any }, downX: number, downY: number, options?: DragOptions, finishDrag?: (dropData: DragCompleteEvent) => void) {
eles = eles.filter(e => e);
if (!dragDiv) {
@@ -296,12 +319,22 @@ export namespace DragManager {
const ys: number[] = [];
const docs = dragData instanceof DocumentDragData ? dragData.draggedDocuments : dragData instanceof PdfAnnoDragData ? [dragData.dragDocument] : [];
+ const elesCont = {
+ left: Number.MAX_SAFE_INTEGER,
+ top: Number.MAX_SAFE_INTEGER,
+ right: Number.MIN_SAFE_INTEGER,
+ bottom: Number.MIN_SAFE_INTEGER
+ };
const dragElements = eles.map(ele => {
if (!ele.parentNode) dragDiv.appendChild(ele);
const dragElement = ele.parentNode === dragDiv ? ele : ele.cloneNode(true) as HTMLElement;
const rect = ele.getBoundingClientRect();
const scaleX = rect.width / ele.offsetWidth,
scaleY = rect.height / ele.offsetHeight;
+ elesCont.left = Math.min(rect.left, elesCont.left);
+ elesCont.top = Math.min(rect.top, elesCont.top);
+ elesCont.right = Math.max(rect.right, elesCont.right);
+ elesCont.bottom = Math.max(rect.bottom, elesCont.bottom);
xs.push(rect.left);
ys.push(rect.top);
scaleXs.push(scaleX);
@@ -351,12 +384,21 @@ export namespace DragManager {
let lastX = downX;
let lastY = downY;
+ const xFromLeft = downX - elesCont.left;
+ const yFromTop = downY - elesCont.top;
+ const xFromRight = elesCont.right - downX;
+ const yFromBottom = elesCont.bottom - downY;
+ let alias = "alias";
const moveHandler = (e: PointerEvent) => {
e.preventDefault(); // required or dragging text menu link item ends up dragging the link button as native drag/drop
if (dragData instanceof DocumentDragData) {
dragData.userDropAction = e.ctrlKey && e.altKey ? "copy" : e.ctrlKey ? "alias" : undefined;
}
if (e.shiftKey && CollectionDockingView.Instance && dragData.droppedDocuments.length === 1) {
+ !dragData.dropAction && (dragData.dropAction = alias);
+ if (dragData.dropAction === "move") {
+ dragData.removeDocument?.(dragData.draggedDocuments[0]);
+ }
AbortDrag();
finishDrag?.(new DragCompleteEvent(true, dragData));
CollectionDockingView.Instance.StartOtherDrag({
@@ -366,11 +408,38 @@ export namespace DragManager {
button: 0
}, dragData.droppedDocuments);
}
- //TODO: Why can't we use e.movementX and e.movementY?
- const moveX = e.pageX - lastX;
- const moveY = e.pageY - lastY;
- lastX = e.pageX;
- lastY = e.pageY;
+ let thisX = e.pageX;
+ let thisY = e.pageY;
+ const currLeft = e.pageX - xFromLeft;
+ const currTop = e.pageY - yFromTop;
+ const currRight = e.pageX + xFromRight;
+ const currBottom = e.pageY + yFromBottom;
+ const closestLeft = vertSnapLines.reduce((prev, curr) => Math.abs(prev - currLeft) > Math.abs(curr - currLeft) ? curr : prev);
+ const closestTop = horizSnapLines.reduce((prev, curr) => Math.abs(prev - currTop) > Math.abs(curr - currTop) ? curr : prev);
+ const closestRight = vertSnapLines.reduce((prev, curr) => Math.abs(prev - currRight) > Math.abs(curr - currRight) ? curr : prev);
+ const closestBottom = horizSnapLines.reduce((prev, curr) => Math.abs(prev - currBottom) > Math.abs(curr - currBottom) ? curr : prev);
+ const distFromClosestLeft = Math.abs(e.pageX - xFromLeft - closestLeft);
+ const distFromClosestTop = Math.abs(e.pageY - yFromTop - closestTop);
+ const distFromClosestRight = Math.abs(e.pageX + xFromRight - closestRight);
+ const distFromClosestBottom = Math.abs(e.pageY + yFromBottom - closestBottom);
+ if (distFromClosestLeft < 10 && distFromClosestLeft < distFromClosestRight) {
+ thisX = closestLeft + xFromLeft;
+ }
+ else if (distFromClosestRight < 10) {
+ thisX = closestRight - xFromRight;
+ }
+ if (distFromClosestTop < 10 && distFromClosestTop < distFromClosestRight) {
+ thisY = closestTop + yFromTop;
+ }
+ else if (distFromClosestBottom < 10) {
+ thisY = closestBottom - yFromBottom;
+ }
+
+ alias = "move";
+ const moveX = thisX - lastX;
+ const moveY = thisY - lastY;
+ lastX = thisX;
+ lastY = thisY;
dragElements.map((dragElement, i) => (dragElement.style.transform =
`translate(${(xs[i] += moveX) + (options?.offsetX || 0)}px, ${(ys[i] += moveY) + (options?.offsetY || 0)}px) scale(${scaleXs[i]}, ${scaleYs[i]})`)
);
@@ -418,6 +487,20 @@ export namespace DragManager {
});
if (target) {
const complete = new DragCompleteEvent(false, dragData);
+ target.dispatchEvent(
+ new CustomEvent<DropEvent>("dashPreDrop", {
+ bubbles: true,
+ detail: {
+ x: e.x,
+ y: e.y,
+ complete: complete,
+ shiftKey: e.shiftKey,
+ altKey: e.altKey,
+ metaKey: e.metaKey,
+ ctrlKey: e.ctrlKey
+ }
+ })
+ );
finishDrag?.(complete);
target.dispatchEvent(
new CustomEvent<DropEvent>("dashOnDrop", {