From 3451ce40cbd488cede7d29b6e39594f740e366b5 Mon Sep 17 00:00:00 2001
From: Sam Wilkins <abdullah_ahmed@brown.edu>
Date: Sat, 11 May 2019 19:15:17 -0400
Subject: basic internal drag and drop of images via embedded link

---
 src/client/views/DocumentDecorations.tsx | 50 ++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

(limited to 'src/client/views/DocumentDecorations.tsx')

diff --git a/src/client/views/DocumentDecorations.tsx b/src/client/views/DocumentDecorations.tsx
index 4786b4de6..1a79c4192 100644
--- a/src/client/views/DocumentDecorations.tsx
+++ b/src/client/views/DocumentDecorations.tsx
@@ -28,6 +28,7 @@ import { CollectionView } from "./collections/CollectionView";
 import { DocumentManager } from "../util/DocumentManager";
 import { FormattedTextBox } from "./nodes/FormattedTextBox";
 import { FieldView } from "./nodes/FieldView";
+import { URLField } from "../../new_fields/URLField";
 
 library.add(faLink);
 
@@ -42,6 +43,7 @@ export class DocumentDecorations extends React.Component<{}, { value: string }>
     private _titleHeight = 20;
     private _linkButton = React.createRef<HTMLDivElement>();
     private _linkerButton = React.createRef<HTMLDivElement>();
+    private _embedButton = React.createRef<HTMLDivElement>();
     private _downX = 0;
     private _downY = 0;
     private _iconDoc?: Doc = undefined;
@@ -328,12 +330,27 @@ export class DocumentDecorations extends React.Component<{}, { value: string }>
         document.removeEventListener("pointerup", this.onLinkerButtonUp);
         document.addEventListener("pointerup", this.onLinkerButtonUp);
     }
+
+    onEmbedButtonDown = (e: React.PointerEvent): void => {
+        e.stopPropagation();
+        document.removeEventListener("pointermove", this.onEmbedButtonMoved);
+        document.addEventListener("pointermove", this.onEmbedButtonMoved);
+        document.removeEventListener("pointerup", this.onEmbedButtonUp);
+        document.addEventListener("pointerup", this.onEmbedButtonUp);
+    }
+
     onLinkerButtonUp = (e: PointerEvent): void => {
         document.removeEventListener("pointermove", this.onLinkerButtonMoved);
         document.removeEventListener("pointerup", this.onLinkerButtonUp);
         e.stopPropagation();
     }
 
+    onEmbedButtonUp = (e: PointerEvent): void => {
+        document.removeEventListener("pointermove", this.onEmbedButtonMoved);
+        document.removeEventListener("pointerup", this.onEmbedButtonUp);
+        e.stopPropagation();
+    }
+
     @action
     onLinkerButtonMoved = (e: PointerEvent): void => {
         if (this._linkerButton.current !== null) {
@@ -353,6 +370,25 @@ export class DocumentDecorations extends React.Component<{}, { value: string }>
         e.stopPropagation();
     }
 
+    @action
+    onEmbedButtonMoved = (e: PointerEvent): void => {
+        if (this._embedButton.current !== null) {
+            document.removeEventListener("pointermove", this.onEmbedButtonMoved);
+            document.removeEventListener("pointerup", this.onEmbedButtonUp);
+
+            let dragDocView = SelectionManager.SelectedDocuments()[0];
+            let dragData = new DragManager.EmbedDragData(dragDocView.props.Document);
+
+            DragManager.StartEmbedDrag(dragDocView.ContentDiv!, dragData, e.x, e.y, {
+                handlers: {
+                    dragComplete: action(emptyFunction),
+                },
+                hideSource: false
+            });
+        }
+        e.stopPropagation();
+    }
+
     onLinkButtonDown = (e: React.PointerEvent): void => {
         e.stopPropagation();
         document.removeEventListener("pointermove", this.onLinkButtonMoved);
@@ -495,6 +531,19 @@ export class DocumentDecorations extends React.Component<{}, { value: string }>
     //     e.stopPropagation();
     // }
 
+    considerEmbed = () => {
+        let thisDoc = SelectionManager.SelectedDocuments()[0].props.Document;
+        let canEmbed = thisDoc.data && Cast(thisDoc.data, URLField);
+        if (!canEmbed) return (null);
+        return (
+            <div className="linkButtonWrapper">
+                <div style={{ paddingTop: 3, marginLeft: 30 }} title="Drag Embed" className="linkButton-linker" ref={this._embedButton} onPointerDown={this.onEmbedButtonDown}>
+                    <FontAwesomeIcon className="fa-image" icon="image" size="sm" />
+                </div>
+            </div>
+        );
+    }
+
     render() {
         var bounds = this.Bounds;
         let seldoc = SelectionManager.SelectedDocuments().length ? SelectionManager.SelectedDocuments()[0] : undefined;
@@ -589,6 +638,7 @@ export class DocumentDecorations extends React.Component<{}, { value: string }>
                         </div>
                     </div>
                     <TemplateMenu docs={SelectionManager.ViewsSortedVertically()} templates={templates} />
+                    {this.considerEmbed()}
                 </div>
             </div >
         </div>
-- 
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