From 19be14b5807b117f477b57b9ecc7b96247bf4fef Mon Sep 17 00:00:00 2001
From: Stanley Yip <stanley_yip@brown.edu>
Date: Wed, 15 Jan 2020 13:30:08 -0500
Subject: the quick brown fox jumped over the lazy dog

---
 .../collectionFreeForm/CollectionFreeFormView.tsx  | 41 +++++++++++-----------
 1 file changed, 21 insertions(+), 20 deletions(-)

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

diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
index 3894e9d63..aaa585b55 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
@@ -44,7 +44,7 @@ import { TraceMobx } from "../../../../new_fields/util";
 import { GestureUtils } from "../../../../pen-gestures/GestureUtils";
 import { LinkManager } from "../../../util/LinkManager";
 import { CognitiveServices } from "../../../cognitive_services/CognitiveServices";
-import Palette from "../../Palette";
+import CollectionPaletteVIew from "../../Palette";
 
 library.add(faEye as any, faTable, faPaintBrush, faExpandArrowsAlt, faCompressArrowsAlt, faCompass, faUpload, faBraille, faChalkboard, faFileUpload);
 
@@ -276,7 +276,7 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
 
     @action
     onPointerDown = (e: React.PointerEvent): void => {
-        if (e.nativeEvent.cancelBubble || InteractionUtils.IsType(e, InteractionUtils.PENTYPE) || (InkingControl.Instance.selectedTool === InkTool.Highlighter || InkingControl.Instance.selectedTool === InkTool.Pen)) {
+        if (e.nativeEvent.cancelBubble || InteractionUtils.IsType(e, InteractionUtils.TOUCHTYPE) || InteractionUtils.IsType(e, InteractionUtils.PENTYPE) || (InkingControl.Instance.selectedTool === InkTool.Highlighter || InkingControl.Instance.selectedTool === InkTool.Pen)) {
             return;
         }
         this._hitCluster = this.props.Document.useClusters ? this.pickCluster(this.getTransform().transformPoint(e.clientX, e.clientY)) !== -1 : false;
@@ -325,10 +325,10 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
     }
 
     @action
-    handle1PointerDown = (e: React.TouchEvent) => {
+    handle1PointerDown = (e: React.TouchEvent, me: InteractionUtils.MultiTouchEvent<React.TouchEvent>) => {
         if (!e.nativeEvent.cancelBubble) {
             // const myTouches = InteractionUtils.GetMyTargetTouches(e, this.prevPoints, true);
-            const pt = e.changedTouches.item(0);
+            const pt = me.changedTouches[0];
             if (pt) {
                 this._hitCluster = this.props.Document.useCluster ? this.pickCluster(this.getTransform().transformPoint(pt.clientX, pt.clientY)) !== -1 : false;
                 if (!e.shiftKey && !e.altKey && !e.ctrlKey && this.props.active(true)) {
@@ -466,10 +466,10 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
         }
     }
 
-    handle1PointerMove = (e: TouchEvent) => {
+    handle1PointerMove = (e: TouchEvent, me: InteractionUtils.MultiTouchEvent<TouchEvent>) => {
         // panning a workspace
         if (!e.cancelBubble) {
-            const myTouches = InteractionUtils.GetMyTargetTouches(e, this.prevPoints, true);
+            const myTouches = InteractionUtils.GetMyTargetTouches(me, this.prevPoints, true);
             const pt = myTouches[0];
             if (pt) {
                 if (InkingControl.Instance.selectedTool === InkTool.None) {
@@ -488,10 +488,10 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
         }
     }
 
-    handle2PointersMove = (e: TouchEvent) => {
+    handle2PointersMove = (e: TouchEvent, me: InteractionUtils.MultiTouchEvent<TouchEvent>) => {
         // pinch zooming
         if (!e.cancelBubble) {
-            const myTouches = InteractionUtils.GetMyTargetTouches(e, this.prevPoints, true);
+            const myTouches = InteractionUtils.GetMyTargetTouches(me, this.prevPoints, true);
             const pt1 = myTouches[0];
             const pt2 = myTouches[1];
 
@@ -534,24 +534,25 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
     }
 
     @action
-    handle2PointersDown = (e: React.TouchEvent) => {
+    handle2PointersDown = (e: React.TouchEvent, me: InteractionUtils.MultiTouchEvent<React.TouchEvent>) => {
         if (!e.nativeEvent.cancelBubble && this.props.active(true)) {
             // const pt1: React.Touch | null = e.targetTouches.item(0);
             // const pt2: React.Touch | null = e.targetTouches.item(1);
             // // if (!pt1 || !pt2) return;
-            const myTouches = InteractionUtils.GetMyTargetTouches(e, this.prevPoints, true);
+            const myTouches = InteractionUtils.GetMyTargetTouches(me, this.prevPoints, true);
             const pt1 = myTouches[0];
             const pt2 = myTouches[1];
-
-            const centerX = Math.min(pt1.clientX, pt2.clientX) + Math.abs(pt2.clientX - pt1.clientX) / 2;
-            const centerY = Math.min(pt1.clientY, pt2.clientY) + Math.abs(pt2.clientY - pt1.clientY) / 2;
-            this._lastX = centerX;
-            this._lastY = centerY;
-            this.removeMoveListeners();
-            this.addMoveListeners();
-            this.removeEndListeners();
-            this.addEndListeners();
-            e.stopPropagation();
+            if (pt1 && pt2) {
+                const centerX = Math.min(pt1.clientX, pt2.clientX) + Math.abs(pt2.clientX - pt1.clientX) / 2;
+                const centerY = Math.min(pt1.clientY, pt2.clientY) + Math.abs(pt2.clientY - pt1.clientY) / 2;
+                this._lastX = centerX;
+                this._lastY = centerY;
+                this.removeMoveListeners();
+                this.addMoveListeners();
+                this.removeEndListeners();
+                this.addEndListeners();
+                e.stopPropagation();
+            }
         }
     }
 
-- 
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