diff options
| -rw-r--r-- | src/client/util/DragManager.ts | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/src/client/util/DragManager.ts b/src/client/util/DragManager.ts index 56496c99b..00fc752ca 100644 --- a/src/client/util/DragManager.ts +++ b/src/client/util/DragManager.ts @@ -349,8 +349,8 @@ export namespace DragManager { let xs: number[] = []; let ys: number[] = []; - const docs: Doc[] = - dragData instanceof DocumentDragData ? dragData.draggedDocuments : dragData instanceof AnnotationDragData ? [dragData.dragDocument] : []; + const docs = dragData instanceof DocumentDragData ? dragData.draggedDocuments : + dragData instanceof AnnotationDragData ? [dragData.dragDocument] : []; let dragElements = eles.map(ele => { const w = ele.offsetWidth, h = ele.offsetHeight; @@ -379,22 +379,20 @@ export namespace DragManager { dragElement.style.width = `${rect.width / scaleX}px`; dragElement.style.height = `${rect.height / scaleY}px`; - // bcz: if PDFs are rendered with svg's, then this code isn't needed - // bcz: PDFs don't show up if you clone them when rendered using 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]) - // } - // } + if (docs.length) { + var pdfBox = dragElement.getElementsByTagName("canvas"); + var pdfBoxSrc = ele.getElementsByTagName("canvas"); + Array.from(pdfBox).map((pb, i) => pb.getContext('2d')!.drawImage(pdfBoxSrc[i], 0, 0)); + var pdfView = dragElement.getElementsByClassName("pdfViewer-viewer"); + var pdfViewSrc = ele.getElementsByClassName("pdfViewer-viewer"); + let tops = Array.from(pdfViewSrc).map(p => p.scrollTop); + let oldopacity = dragElement.style.opacity; + dragElement.style.opacity = "0"; + setTimeout(() => { + dragElement.style.opacity = oldopacity; + Array.from(pdfView).map((v, i) => v.scrollTo({ top: tops[i] })); + }, 0); + } let set = dragElement.getElementsByTagName('*'); if (dragElement.hasAttribute("style")) (dragElement as any).style.pointerEvents = "none"; // tslint:disable-next-line: prefer-for-of @@ -418,8 +416,10 @@ export namespace DragManager { hideSource = options.hideSource(); } } - eles.map(ele => (ele.hidden = hideSource) && - (ele.parentElement && ele.parentElement.className.indexOf("collectionFreeFormDocumentView") !== -1 && (ele.parentElement.hidden = hideSource))); + setTimeout(() => + eles.map(ele => (ele.hidden = hideSource) && + (ele.parentElement && ele.parentElement.className.indexOf("collectionFreeFormDocumentView") !== -1 && (ele.parentElement.hidden = hideSource))), + 0); let lastX = downX; let lastY = downY; |