diff options
Diffstat (limited to 'src/client/views/nodes/WebBox.tsx')
| -rw-r--r-- | src/client/views/nodes/WebBox.tsx | 138 |
1 files changed, 133 insertions, 5 deletions
diff --git a/src/client/views/nodes/WebBox.tsx b/src/client/views/nodes/WebBox.tsx index 7e49d957d..c169d9423 100644 --- a/src/client/views/nodes/WebBox.tsx +++ b/src/client/views/nodes/WebBox.tsx @@ -21,6 +21,10 @@ import "./WebBox.scss"; import React = require("react"); import { DocAnnotatableComponent } from "../DocComponent"; import { documentSchema } from "../../../new_fields/documentSchemas"; +import { Id } from "../../../new_fields/FieldSymbols"; +import { DragManager } from "../../util/DragManager"; +import { ImageUtils } from "../../util/Import & Export/ImageUtils"; +import { select } from "async"; library.add(faStickyNote); @@ -34,6 +38,13 @@ export class WebBox extends DocAnnotatableComponent<FieldViewProps, WebDocument> @observable private collapsed: boolean = true; @observable private url: string = ""; + private _longPressSecondsHack?: NodeJS.Timeout; + private _iframeRef = React.createRef<HTMLIFrameElement>(); + private _iframeIndicatorRef = React.createRef<HTMLDivElement>(); + private _iframeDragRef = React.createRef<HTMLDivElement>(); + @observable private _pressX: number = 0; + @observable private _pressY: number = 0; + componentDidMount() { const field = Cast(this.props.Document[this.props.fieldKey], WebField); @@ -49,6 +60,14 @@ export class WebBox extends DocAnnotatableComponent<FieldViewProps, WebDocument> } this.setURL(); + + document.addEventListener("pointerup", this.onLongPressUp); + document.addEventListener("pointermove", this.onLongPressMove); + } + + componentWillUnmount() { + document.removeEventListener("pointerup", this.onLongPressUp); + document.removeEventListener("pointermove", this.onLongPressMove); } @action @@ -164,6 +183,107 @@ export class WebBox extends DocAnnotatableComponent<FieldViewProps, WebDocument> } } + onLongPressDown = (e: React.PointerEvent) => { + this._pressX = e.clientX; + this._pressY = e.clientY; + + // find the pressed element in the iframe (currently only works if its an img) + let pressedElement: HTMLElement | undefined; + let pressedBound: ClientRect | undefined; + let selectedText: string = ""; + let pressedImg: boolean = false; + if (this._iframeRef.current) { + const B = this._iframeRef.current.getBoundingClientRect(); + const iframeDoc = this._iframeRef.current.contentDocument; + if (B && iframeDoc) { + // TODO: this only works when scale = 1 as it is currently only inteded for mobile upload + const element = iframeDoc.elementFromPoint(this._pressX - B.left, this._pressY - B.top); + if (element && element.nodeName === "IMG") { + pressedBound = element.getBoundingClientRect(); + pressedElement = element.cloneNode(true) as HTMLElement; + pressedImg = true; + } else { + // check if there is selected text + const text = iframeDoc.getSelection(); + if (text && text.toString().length > 0) { + selectedText = text.toString(); + + // get html of the selected text + const range = text.getRangeAt(0); + const contents = range.cloneContents(); + const div = document.createElement("div"); + div.appendChild(contents); + pressedElement = div; + + pressedBound = range.getBoundingClientRect(); + } + } + } + } + + // mark the pressed element + if (pressedElement && pressedBound) { + if (this._iframeIndicatorRef.current) { + this._iframeIndicatorRef.current.style.top = pressedBound.top + "px"; + this._iframeIndicatorRef.current.style.left = pressedBound.left + "px"; + this._iframeIndicatorRef.current.style.width = pressedBound.width + "px"; + this._iframeIndicatorRef.current.style.height = pressedBound.height + "px"; + this._iframeIndicatorRef.current.classList.add("active"); + } + } + + // start dragging the pressed element if long pressed + this._longPressSecondsHack = setTimeout(() => { + if (pressedImg && pressedElement && pressedBound) { + e.stopPropagation(); + e.preventDefault(); + if (pressedElement.nodeName === "IMG") { + const src = pressedElement.getAttribute("src"); // TODO: may not always work + if (src) { + const doc = Docs.Create.ImageDocument(src); + ImageUtils.ExtractExif(doc); + + // add clone to div so that dragging ghost is placed properly + if (this._iframeDragRef.current) this._iframeDragRef.current.appendChild(pressedElement); + + const dragData = new DragManager.DocumentDragData([doc]); + DragManager.StartDocumentDrag([pressedElement], dragData, this._pressX, this._pressY, { hideSource: true }); + } + } + } else if (selectedText && pressedBound && pressedElement) { + e.stopPropagation(); + e.preventDefault(); + // create doc with the selected text's html + const doc = Docs.Create.HtmlDocument(pressedElement.innerHTML); + + // create dragging ghost with the selected text + if (this._iframeDragRef.current) this._iframeDragRef.current.appendChild(pressedElement); + + // start the drag + const dragData = new DragManager.DocumentDragData([doc]); + DragManager.StartDocumentDrag([pressedElement], dragData, this._pressX - pressedBound.top, this._pressY - pressedBound.top, { hideSource: true }); + } + }, 1500); + } + + onLongPressMove = (e: PointerEvent) => { + // this._pressX = e.clientX; + // this._pressY = e.clientY; + } + + onLongPressUp = (e: PointerEvent) => { + if (this._longPressSecondsHack) { + clearTimeout(this._longPressSecondsHack); + } + if (this._iframeIndicatorRef.current) { + this._iframeIndicatorRef.current.classList.remove("active"); + } + if (this._iframeDragRef.current) { + while (this._iframeDragRef.current.firstChild) this._iframeDragRef.current.removeChild(this._iframeDragRef.current.firstChild); + } + } + + @computed get content() { const field = this.dataDoc[this.props.fieldKey]; @@ -171,9 +291,9 @@ export class WebBox extends DocAnnotatableComponent<FieldViewProps, WebDocument> if (field instanceof HtmlField) { view = <span id="webBox-htmlSpan" dangerouslySetInnerHTML={{ __html: field.html }} />; } else if (field instanceof WebField) { - view = <iframe src={Utils.CorsProxy(field.url.href)} style={{ position: "absolute", width: "100%", height: "100%", top: 0 }} />; + view = <iframe ref={this._iframeRef} src={Utils.CorsProxy(field.url.href)} style={{ position: "absolute", width: "100%", height: "100%", top: 0 }} />; } else { - view = <iframe src={"https://crossorigin.me/https://cs.brown.edu"} style={{ position: "absolute", width: "100%", height: "100%", top: 0 }} />; + view = <iframe ref={this._iframeRef} src={"https://crossorigin.me/https://cs.brown.edu"} style={{ position: "absolute", width: "100%", height: "100%", top: 0 }} />; } const content = <div style={{ width: "100%", height: "100%", position: "absolute" }} onWheel={this.onPostWheel} onPointerDown={this.onPostPointer} onPointerMove={this.onPostPointer} onPointerUp={this.onPostPointer}> @@ -181,15 +301,23 @@ export class WebBox extends DocAnnotatableComponent<FieldViewProps, WebDocument> {view} </div>; - const frozen = !this.props.isSelected() || DocumentDecorations.Instance.Interacting; + const decInteracting = DocumentDecorations.Instance && DocumentDecorations.Instance.Interacting; + + const frozen = !this.props.isSelected() || decInteracting; - const classname = "webBox-cont" + (this.props.isSelected() && InkingControl.Instance.selectedTool === InkTool.None && !DocumentDecorations.Instance.Interacting ? "-interactive" : ""); + const classname = "webBox-cont" + (this.props.isSelected() && InkingControl.Instance.selectedTool === InkTool.None && !decInteracting ? "-interactive" : ""); return ( <> <div className={classname} > {content} </div> - {!frozen ? (null) : <div className="webBox-overlay" onWheel={this.onPreWheel} onPointerDown={this.onPrePointer} onPointerMove={this.onPrePointer} onPointerUp={this.onPrePointer} />} + {!frozen ? (null) : + <div className="webBox-overlay" onWheel={this.onPreWheel} onPointerDown={this.onPrePointer} onPointerMove={this.onPrePointer} onPointerUp={this.onPrePointer}> + <div className="touch-iframe-overlay" onPointerDown={this.onLongPressDown} > + <div className="indicator" ref={this._iframeIndicatorRef}></div> + <div className="dragger" ref={this._iframeDragRef}></div> + </div> + </div>} </>); } render() { |