From a4b34adcb34184728be0b69b33a561f6d10f0a98 Mon Sep 17 00:00:00 2001
From: Fawn <fangrui_tong@brown.edu>
Date: Fri, 21 Jun 2019 16:27:03 -0400
Subject: can drag just a group of links on a doc

---
 .../CollectionFreeFormLinkView.tsx                 | 88 ++++++++++------------
 1 file changed, 39 insertions(+), 49 deletions(-)

(limited to 'src/client/views/collections/collectionFreeForm/CollectionFreeFormLinkView.tsx')

diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormLinkView.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormLinkView.tsx
index 65d5ac474..5c7f080e0 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormLinkView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormLinkView.tsx
@@ -5,70 +5,60 @@ import { InkingControl } from "../../InkingControl";
 import "./CollectionFreeFormLinkView.scss";
 import React = require("react");
 import v5 = require("uuid/v5");
-import { DocumentView } from "../../nodes/DocumentView";
-import { Docs } from "../../../documents/Documents";
 
 export interface CollectionFreeFormLinkViewProps {
-    // anchor1: Doc;
-    // anchor2: Doc;
-    // LinkDocs: Doc[];
-    // addDocument: (document: Doc, allowDuplicates?: boolean) => boolean;
-    // removeDocument: (document: Doc) => boolean;
-    // sameContext: boolean;
-
-    // sourceView: DocumentView;
-    // targetView: DocumentView;
-    sourceView: Doc;
-    targetView: Doc;
+    A: Doc;
+    B: Doc;
+    LinkDocs: Doc[];
+    addDocument: (document: Doc, allowDuplicates?: boolean) => boolean;
+    removeDocument: (document: Doc) => boolean;
 }
 
 @observer
 export class CollectionFreeFormLinkView extends React.Component<CollectionFreeFormLinkViewProps> {
 
-    // onPointerDown = (e: React.PointerEvent) => {
-    //     if (e.button === 0 && !InkingControl.Instance.selectedTool) {
-    //         let a = this.props.A;
-    //         let b = this.props.B;
-    //         let x1 = NumCast(a.x) + (BoolCast(a.isMinimized, false) ? 5 : a[WidthSym]() / 2);
-    //         let y1 = NumCast(a.y) + (BoolCast(a.isMinimized, false) ? 5 : a[HeightSym]() / 2);
-    //         let x2 = NumCast(b.x) + (BoolCast(b.isMinimized, false) ? 5 : b[WidthSym]() / 2);
-    //         let y2 = NumCast(b.y) + (BoolCast(b.isMinimized, false) ? 5 : b[HeightSym]() / 2);
-    //         this.props.LinkDocs.map(l => {
-    //             let width = l[WidthSym]();
-    //             l.x = (x1 + x2) / 2 - width / 2;
-    //             l.y = (y1 + y2) / 2 + 10;
-    //             if (!this.props.removeDocument(l)) this.props.addDocument(l, false);
-    //         });
-    //         e.stopPropagation();
-    //         e.preventDefault();
-    //     }
-    // }
-
-
+    onPointerDown = (e: React.PointerEvent) => {
+        if (e.button === 0 && !InkingControl.Instance.selectedTool) {
+            let a = this.props.A;
+            let b = this.props.B;
+            let x1 = NumCast(a.x) + (BoolCast(a.isMinimized, false) ? 5 : a[WidthSym]() / 2);
+            let y1 = NumCast(a.y) + (BoolCast(a.isMinimized, false) ? 5 : a[HeightSym]() / 2);
+            let x2 = NumCast(b.x) + (BoolCast(b.isMinimized, false) ? 5 : b[WidthSym]() / 2);
+            let y2 = NumCast(b.y) + (BoolCast(b.isMinimized, false) ? 5 : b[HeightSym]() / 2);
+            this.props.LinkDocs.map(l => {
+                let width = l[WidthSym]();
+                l.x = (x1 + x2) / 2 - width / 2;
+                l.y = (y1 + y2) / 2 + 10;
+                if (!this.props.removeDocument(l)) this.props.addDocument(l, false);
+            });
+            e.stopPropagation();
+            e.preventDefault();
+        }
+    }
     render() {
-        // let l = this.props.LinkDocs;
-        // let a = this.props.A;
-        // let b = this.props.B;
-        let a1 = this.props.sourceView;
-        let a2 = this.props.targetView;
-        let x1 = NumCast(a1.x) + (BoolCast(a1.isMinimized, false) ? 5 : NumCast(a1.width) / NumCast(a1.zoomBasis, 1) / 2);
-        let y1 = NumCast(a1.y) + (BoolCast(a1.isMinimized, false) ? 5 : NumCast(a1.height) / NumCast(a1.zoomBasis, 1) / 2);
-
-        let x2 = NumCast(a2.x) + (BoolCast(a2.isMinimized, false) ? 5 : NumCast(a2.width) / NumCast(a2.zoomBasis, 1) / 2);
-        let y2 = NumCast(a2.y) + (BoolCast(a2.isMinimized, false) ? 5 : NumCast(a2.height) / NumCast(a2.zoomBasis, 1) / 2);
-
+        let l = this.props.LinkDocs;
+        let a = this.props.A;
+        let b = this.props.B;
+        let x1 = NumCast(a.x) + (BoolCast(a.isMinimized, false) ? 5 : NumCast(a.width) / NumCast(a.zoomBasis, 1) / 2);
+        let y1 = NumCast(a.y) + (BoolCast(a.isMinimized, false) ? 5 : NumCast(a.height) / NumCast(a.zoomBasis, 1) / 2);
+        let x2 = NumCast(b.x) + (BoolCast(b.isMinimized, false) ? 5 : NumCast(b.width) / NumCast(b.zoomBasis, 1) / 2);
+        let y2 = NumCast(b.y) + (BoolCast(b.isMinimized, false) ? 5 : NumCast(b.height) / NumCast(b.zoomBasis, 1) / 2);
+        let text = "";
+        let first = this.props.LinkDocs[0];
+        if (this.props.LinkDocs.length === 1) text += first.title + (first.linkDescription ? "(" + StrCast(first.linkDescription) + ")" : "");
+        else text = "-multiple-";
+        text = "";
         return (
             <>
-                <line className="linkview-line linkview-ele"
-                    // style={{ strokeWidth: `${2 * 1 / 2}` }}
+                <line key="linkLine" className="collectionfreeformlinkview-linkLine"
+                    style={{ strokeWidth: `${2 * l.length / 2}` }}
                     x1={`${x1}`} y1={`${y1}`}
                     x2={`${x2}`} y2={`${y2}`} />
-
                 {/* <circle key="linkCircle" className="collectionfreeformlinkview-linkCircle"
                     cx={(x1 + x2) / 2} cy={(y1 + y2) / 2} r={8} onPointerDown={this.onPointerDown} /> */}
-                {/* <text key="linkText" textAnchor="middle" className="collectionfreeformlinkview-linkText" x={`${(x1 + x2) / 2}`} y={`${(y1 + y2) / 2}`}>
+                <text key="linkText" textAnchor="middle" className="collectionfreeformlinkview-linkText" x={`${(x1 + x2) / 2}`} y={`${(y1 + y2) / 2}`}>
                     {text}
-                </text> */}
+                </text>
             </>
         );
     }
-- 
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