diff options
Diffstat (limited to 'src/client/util/DragManager.ts')
| -rw-r--r-- | src/client/util/DragManager.ts | 484 |
1 files changed, 272 insertions, 212 deletions
diff --git a/src/client/util/DragManager.ts b/src/client/util/DragManager.ts index 9ffe964ef..c0f482e18 100644 --- a/src/client/util/DragManager.ts +++ b/src/client/util/DragManager.ts @@ -1,251 +1,311 @@ 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(); +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); - } else { - document.addEventListener("pointermove", onRowMove); - document.addEventListener('pointerup', onRowUp); - } - } - //} + 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); + } else { + document.addEventListener("pointermove", onRowMove); + document.addEventListener("pointerup", onRowUp); + } } - return onItemDown; + //} + }; + return onItemDown; } export namespace DragManager { - export function Root() { - const root = document.getElementById("root"); - if (!root) { - throw new Error("No root element found"); - } - return root; + export function Root() { + const root = document.getElementById("root"); + if (!root) { + throw new Error("No root element found"); } + return root; + } - let dragDiv: HTMLDivElement; + let dragDiv: HTMLDivElement; - export enum DragButtons { - Left = 1, Right = 2, Both = Left | Right - } + export enum DragButtons { + Left = 1, + Right = 2, + Both = Left | Right + } - interface DragOptions { - handlers: DragHandlers; + interface DragOptions { + handlers: DragHandlers; - hideSource: boolean | (() => boolean); - } + hideSource: boolean | (() => boolean); + } - export interface DragDropDisposer { - (): void; - } + export interface DragDropDisposer { + (): void; + } - export class DragCompleteEvent { - } + export class DragCompleteEvent {} - export interface DragHandlers { - dragComplete: (e: DragCompleteEvent) => void; - } + export interface DragHandlers { + dragComplete: (e: DragCompleteEvent) => void; + } - export interface DropOptions { - handlers: DropHandlers; - } - export class DropEvent { - constructor(readonly x: number, readonly y: number, readonly data: { [id: string]: any }) { } - } + export interface DropOptions { + handlers: DropHandlers; + } + export class DropEvent { + 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 { + if ("canDrop" in element.dataset) { + throw new Error( + "Element is already droppable, can't make it droppable again" + ); + } + element.dataset["canDrop"] = "true"; + const handler = (e: Event) => { + const ce = e as CustomEvent<DropEvent>; + options.handlers.drop(e, ce.detail); + }; + element.addEventListener("dashOnDrop", handler); + return () => { + element.removeEventListener("dashOnDrop", handler); + delete element.dataset["canDrop"]; + }; + } - export interface DropHandlers { - drop: (e: Event, de: DropEvent) => void; + export class DocumentDragData { + constructor(dragDoc: Document[]) { + this.draggedDocuments = dragDoc; + this.droppedDocuments = dragDoc; } + draggedDocuments: Document[]; + droppedDocuments: Document[]; + xOffset?: number; + yOffset?: number; + aliasOnDrop?: boolean; + removeDocument?: (collectionDrop: CollectionView) => void; + [id: string]: any; + } + 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 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"); - } - element.dataset["canDrop"] = "true"; - const handler = (e: Event) => { - const ce = e as CustomEvent<DropEvent>; - options.handlers.drop(e, ce.detail); - }; - element.addEventListener("dashOnDrop", handler); - return () => { - element.removeEventListener("dashOnDrop", handler); - delete element.dataset["canDrop"] - }; + export class LinkDragData { + constructor(linkSourceDoc: DocumentView) { + this.linkSourceDocumentView = linkSourceDoc; } - - export class DocumentDragData { - constructor(dragDoc: Document[]) { - this.draggedDocuments = dragDoc; - this.droppedDocuments = dragDoc; - } - draggedDocuments: Document[]; - droppedDocuments: Document[]; - xOffset?: number; - yOffset?: number; - aliasOnDrop?: boolean; - removeDocument?: (collectionDrop: CollectionView) => void; - [id: string]: any; + linkSourceDocumentView: DocumentView; + [id: string]: any; + } + export function StartLinkDrag( + ele: HTMLElement, + dragData: LinkDragData, + options?: DragOptions + ) { + StartDrag([ele], dragData, options); + } + 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"; + DragManager.Root().appendChild(dragDiv); } - 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); - } + let scaleXs: number[] = []; + let scaleYs: number[] = []; + let xs: number[] = []; + let ys: number[] = []; - export class LinkDragData { - constructor(linkSourceDoc: DocumentView) { - this.linkSourceDocumentView = linkSourceDoc; - } - linkSourceDocumentView: DocumentView; - [id: string]: any; - } - export function StartLinkDrag(ele: HTMLElement, dragData: LinkDragData, options?: DragOptions) { - StartDrag([ele], dragData, options); - } - 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" - DragManager.Root().appendChild(dragDiv); + 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.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 = `${rect.height / scaleY}px`; + + // bcz: PDFs don't show up if you clone them because they contain a canvas. + // however, PDF's have a thumbnail field that contains an image of their canvas. + // So we replace the pdf's canvas with the image thumbnail + if (docs.length) { + var pdfBox = dragElement.getElementsByClassName( + "pdfBox-cont" + )[0] as HTMLElement; + let thumbnail = docs[0].GetT(KeyStore.Thumbnail, ImageField); + if (pdfBox && pdfBox.childElementCount && thumbnail) { + let img = new Image(); + img!.src = thumbnail.toString(); + img!.style.position = "absolute"; + img!.style.width = `${rect.width / scaleX}px`; + img!.style.height = `${rect.height / scaleY}px`; + pdfBox.replaceChild(img!, pdfBox.children[0]); } + } - let scaleXs: number[] = []; - let scaleYs: number[] = []; - let xs: number[] = []; - let ys: number[] = []; - - const docs: Document[] = dragData instanceof DocumentDragData ? dragData.draggedDocuments : []; - let dragElements = eles.map(ele => { - const w = ele.offsetWidth, h = ele.offsetHeight; - const rect = ele.getBoundingClientRect(); - const scaleX = rect.width / w, scaleY = rect.height / h; - let x = rect.left, y = rect.top; - xs.push(x); ys.push(y); - scaleXs.push(scaleX); scaleYs.push(scaleY); - let dragElement = ele.cloneNode(true) as HTMLElement; - dragElement.style.opacity = "0.7"; - dragElement.style.position = "absolute"; - dragElement.style.bottom = ""; - dragElement.style.left = ""; - dragElement.style.transformOrigin = "0 0"; - dragElement.style.zIndex = "1000"; - dragElement.style.transform = `translate(${x}px, ${y}px) scale(${scaleX}, ${scaleY})`; - dragElement.style.width = `${rect.width / scaleX}px`; - dragElement.style.height = `${rect.height / scaleY}px`; - - // bcz: PDFs don't show up if you clone them because they contain a canvas. - // however, PDF's have a thumbnail field that contains an image of their canvas. - // So we replace the pdf's canvas with the image thumbnail - if (docs.length) { - var pdfBox = dragElement.getElementsByClassName("pdfBox-cont")[0] as HTMLElement; - let thumbnail = docs[0].GetT(KeyStore.Thumbnail, ImageField); - if (pdfBox && pdfBox.childElementCount && thumbnail) { - let img = new Image(); - img!.src = thumbnail.toString(); - img!.style.position = "absolute"; - img!.style.width = `${rect.width / scaleX}px`; - img!.style.height = `${rect.height / scaleY}px`; - pdfBox.replaceChild(img!, pdfBox.children[0]) - } - } - - dragDiv.appendChild(dragElement); - return dragElement; - }); + dragDiv.appendChild(dragElement); + return dragElement; + }); - let hideSource = false; - if (options) { - if (typeof options.hideSource === "boolean") { - hideSource = options.hideSource; - } else { - hideSource = options.hideSource(); - } - } - eles.map(ele => ele.hidden = hideSource); - - const moveHandler = (e: PointerEvent) => { - e.stopPropagation(); - e.preventDefault(); - if (dragData instanceof DocumentDragData) - dragData.aliasOnDrop = e.ctrlKey || e.altKey; - if (e.shiftKey) { - abortDrag(); - CollectionDockingView.Instance.StartOtherDrag(docs, { pageX: e.pageX, pageY: e.pageY, preventDefault: () => { }, button: 0 }); - } - dragElements.map((dragElement, i) => dragElement.style.transform = `translate(${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); - dragElements.map(dragElement => dragDiv.removeChild(dragElement)); - eles.map(ele => ele.hidden = false); - } - const upHandler = (e: PointerEvent) => { - abortDrag(); - FinishDrag(eles, e, dragData, options, finishDrag); - }; - document.addEventListener("pointermove", moveHandler, true); - document.addEventListener("pointerup", upHandler); + let hideSource = false; + if (options) { + if (typeof options.hideSource === "boolean") { + hideSource = options.hideSource; + } else { + hideSource = options.hideSource(); + } } + eles.map(ele => (ele.hidden = hideSource)); - 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); - removed.map(r => { - let dragEle: HTMLElement = r[0]!; - let parent: HTMLElement | null = r[1]; - if (parent) - parent.appendChild(dragEle); + const moveHandler = (e: PointerEvent) => { + e.stopPropagation(); + e.preventDefault(); + if (dragData instanceof DocumentDragData) + dragData.aliasOnDrop = e.ctrlKey || e.altKey; + if (e.shiftKey) { + abortDrag(); + CollectionDockingView.Instance.StartOtherDrag(docs, { + pageX: e.pageX, + pageY: e.pageY, + preventDefault: () => {}, + button: 0 }); - if (target) { - if (finishDrag) - finishDrag(dragData); - - 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; + } + 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); + dragElements.map(dragElement => dragDiv.removeChild(dragElement)); + eles.map(ele => (ele.hidden = false)); + }; + const upHandler = (e: PointerEvent) => { + abortDrag(); + FinishDrag(eles, e, dragData, options, finishDrag); + }; + document.addEventListener("pointermove", moveHandler, true); + document.addEventListener("pointerup", upHandler); + } + + 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); + 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); + + target.dispatchEvent( + new CustomEvent<DropEvent>("dashOnDrop", { + bubbles: true, + detail: { + x: e.x, + y: e.y, + data: dragData + } + }) + ); + + if (options) { + options.handlers.dragComplete({}); + } } -}
\ No newline at end of file + DocumentDecorations.Instance.Hidden = false; + } +} |