From d9227908ba8e8db5084c468a242b2839ab11a33d Mon Sep 17 00:00:00 2001
From: Bob Zeleznik <zzzman@gmail.com>
Date: Mon, 4 May 2020 12:50:46 -0400
Subject: fixed links and snap lines broken by moving things into DragManager.

---
 .../collectionFreeForm/CollectionFreeFormLinkView.tsx            | 9 +++++----
 .../collectionFreeForm/CollectionFreeFormLinksView.tsx           | 4 ++--
 .../collections/collectionFreeForm/CollectionFreeFormView.tsx    | 7 ++++---
 3 files changed, 11 insertions(+), 9 deletions(-)

(limited to 'src/client/views/collections/collectionFreeForm')

diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormLinkView.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormLinkView.tsx
index 0c9a1aa9a..695898ca9 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormLinkView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormLinkView.tsx
@@ -9,7 +9,7 @@ import { DocumentType } from "../../../documents/DocumentTypes";
 import { observable, action, reaction, IReactionDisposer } from "mobx";
 import { StrCast } from "../../../../new_fields/Types";
 import { Id } from "../../../../new_fields/FieldSymbols";
-import { DragManager } from "../../../util/DragManager";
+import { SnappingManager } from "../../../util/SnappingManager";
 
 export interface CollectionFreeFormLinkViewProps {
     A: DocumentView;
@@ -25,7 +25,7 @@ export class CollectionFreeFormLinkView extends React.Component<CollectionFreeFo
     componentDidMount() {
         this._anchorDisposer = reaction(() => [this.props.A.props.ScreenToLocalTransform(), this.props.B.props.ScreenToLocalTransform(), this.props.A.isSelected() || Doc.IsBrushed(this.props.A.props.Document), this.props.A.isSelected() || Doc.IsBrushed(this.props.A.props.Document)],
             action(() => {
-                if (DragManager.Vals.Instance.GetIsDragging()) return;
+                if (SnappingManager.GetIsDragging()) return;
                 setTimeout(action(() => this._opacity = 1), 0); // since the render code depends on querying the Dom through getBoudndingClientRect, we need to delay triggering render()
                 setTimeout(action(() => (!this.props.LinkDocs.length || !this.props.LinkDocs[0].linkDisplay) && (this._opacity = 0.05)), 750); // this will unhighlight the link line.
                 const acont = this.props.A.props.Document.type === DocumentType.LINK ? this.props.A.ContentDiv!.getElementsByClassName("linkAnchorBox-cont") : [];
@@ -83,7 +83,7 @@ export class CollectionFreeFormLinkView extends React.Component<CollectionFreeFo
     }
 
     render() {
-        if (DragManager.Vals.Instance.GetIsDragging()) return null;
+        if (SnappingManager.GetIsDragging()) return null;
         this.props.A.props.ScreenToLocalTransform().transform(this.props.B.props.ScreenToLocalTransform());
         const acont = this.props.A.props.Document.type === DocumentType.LINK ? this.props.A.ContentDiv!.getElementsByClassName("linkAnchorBox-cont") : [];
         const bcont = this.props.B.props.Document.type === DocumentType.LINK ? this.props.B.ContentDiv!.getElementsByClassName("linkAnchorBox-cont") : [];
@@ -107,8 +107,9 @@ export class CollectionFreeFormLinkView extends React.Component<CollectionFreeFo
         const aActive = this.props.A.isSelected() || Doc.IsBrushed(this.props.A.props.Document);
         const bActive = this.props.A.isSelected() || Doc.IsBrushed(this.props.A.props.Document);
         const text = StrCast(this.props.A.props.Document.linkRelationship);
+
         return !a.width || !b.width || ((!this.props.LinkDocs.length || !this.props.LinkDocs[0].linkDisplay) && !aActive && !bActive) ? (null) : (<>
-            <text x={(pt1[0] + pt2[0]) / 2} y={(pt1[1] + pt2[1]) / 2}>
+            <text x={(Math.min(pt1[0], pt2[0]) * 2 + Math.max(pt1[0], pt2[0])) / 3} y={(pt1[1] + pt2[1]) / 2}>
                 {text !== "-ungrouped-" ? text : ""}
             </text>
             <path className="collectionfreeformlinkview-linkLine" style={{ opacity: this._opacity, strokeDasharray: "2 2" }}
diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormLinksView.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormLinksView.tsx
index 6c6dbf653..5e5ad7db5 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormLinksView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormLinksView.tsx
@@ -9,7 +9,7 @@ import { CollectionFreeFormLinkView } from "./CollectionFreeFormLinkView";
 import React = require("react");
 import { Utils, emptyFunction } from "../../../../Utils";
 import { DocumentType } from "../../../documents/DocumentTypes";
-import { DragManager } from "../../../util/DragManager";
+import { SnappingManager } from "../../../util/SnappingManager";
 
 @observer
 export class CollectionFreeFormLinksView extends React.Component {
@@ -36,7 +36,7 @@ export class CollectionFreeFormLinksView extends React.Component {
     }
 
     render() {
-        return DragManager.Vals.Instance.GetIsDragging() ? (null) : <div className="collectionfreeformlinksview-container">
+        return SnappingManager.GetIsDragging() ? (null) : <div className="collectionfreeformlinksview-container">
             <svg className="collectionfreeformlinksview-svgCanvas">
                 {this.uniqueConnections}
             </svg>
diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
index 2aa9b1f5f..37957b0f6 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
@@ -45,6 +45,7 @@ import { MarqueeView } from "./MarqueeView";
 import React = require("react");
 import { CollectionViewType } from "../CollectionView";
 import { Timeline } from "../../animationtimeline/Timeline";
+import { SnappingManager } from "../../../util/SnappingManager";
 
 library.add(faEye as any, faTable, faPaintBrush, faExpandArrowsAlt, faCompressArrowsAlt, faCompass, faUpload, faBraille, faChalkboard, faFileUpload);
 
@@ -1174,7 +1175,7 @@ export class CollectionFreeFormView extends CollectionSubView<PanZoomDocument, P
         DragManager.SetSnapLines(horizLines, vertLines);
     }
     onPointerOver = (e: React.PointerEvent) => {
-        if (DragManager.Vals.Instance.GetIsDragging()) {
+        if (SnappingManager.GetIsDragging()) {
             this.setupDragLines();
         }
         e.stopPropagation();
@@ -1233,7 +1234,7 @@ export class CollectionFreeFormView extends CollectionSubView<PanZoomDocument, P
         const wscale = nw ? this.props.PanelWidth() / nw : 1;
         return wscale < hscale ? wscale : hscale;
     }
-    @computed get backgroundEvents() { return this.layoutDoc.isBackground && DragManager.Vals.Instance.GetIsDragging(); }
+    @computed get backgroundEvents() { return this.layoutDoc.isBackground && SnappingManager.GetIsDragging(); }
     render() {
         TraceMobx();
         const clientRect = this._mainCont?.getBoundingClientRect();
@@ -1247,7 +1248,7 @@ export class CollectionFreeFormView extends CollectionSubView<PanZoomDocument, P
         return <div className={"collectionfreeformview-container"}
             ref={this.createDashEventsTarget}
             onPointerOver={this.onPointerOver}
-            onWheel={this.onPointerWheel} onClick={this.onClick}  //pointerEvents: DragManager.Vals.Instance.GetIsDragging() ? "all" : undefined,
+            onWheel={this.onPointerWheel} onClick={this.onClick}  //pointerEvents: DraggingManager.GetIsDragging() ? "all" : undefined,
             onPointerDown={this.onPointerDown} onPointerMove={this.onCursorMove} onDrop={this.onExternalDrop.bind(this)} onContextMenu={this.onContextMenu}
             style={{
                 pointerEvents: this.backgroundEvents ? "all" : undefined,
-- 
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