From f6b0ff82da9d0a64161a33fcb6e747caa13e62ef Mon Sep 17 00:00:00 2001
From: bobzel <zzzman@gmail.com>
Date: Fri, 10 Mar 2023 22:14:57 -0500
Subject: fixed resetting panZoom transition after focus

---
 .../collectionFreeForm/CollectionFreeFormView.tsx  | 39 ++++++++++++----------
 1 file changed, 22 insertions(+), 17 deletions(-)

(limited to 'src')

diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
index 87177cd74..f98b0839a 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
@@ -74,7 +74,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     @observable
     public static ShowPresPaths = false;
 
-    private _lastNudge: any;
+    private _panZoomTransitionTimer: any;
     private _lastX: number = 0;
     private _lastY: number = 0;
     private _downX: number = 0;
@@ -582,14 +582,11 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                 !InteractionUtils.IsType(e, InteractionUtils.TOUCHTYPE) &&
                 !InteractionUtils.IsType(e, InteractionUtils.PENTYPE)
             ) {
+                // prettier-ignore
                 switch (Doc.ActiveTool) {
-                    case InkTool.Highlighter:
-                        break;
-                    // TODO: nda - this where we want to create the new "writingDoc" collection that we add strokes to
-                    case InkTool.Write:
-                        break;
-                    case InkTool.Pen:
-                        break; // the GestureOverlay handles ink stroke input -- either as gestures, or drying as ink strokes that are added to document views
+                    case InkTool.Highlighter:  break;
+                    case InkTool.Write: break;
+                    case InkTool.Pen:  break; // the GestureOverlay handles ink stroke input -- either as gestures, or drying as ink strokes that are added to document views
                     case InkTool.Eraser:
                         this._batch = UndoManager.StartBatch('collectionErase');
                         setupMoveUpEvents(this, e, this.onEraserMove, this.onEraserUp, emptyFunction);
@@ -1141,7 +1138,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
             }
         }
         if (!this.layoutDoc._lockedTransform || LightboxView.LightboxDoc || DocListCast(Doc.MyOverlayDocs?.data).includes(this.Document)) {
-            this._panZoomTransition = panTime;
+            this.setPanZoomTransition(panTime);
             const scale = this.getLocalTransform().inverse().Scale;
             const minScale = NumCast(this.rootDoc._viewScaleMin, 1);
             const minPanX = NumCast(this.rootDoc._panXMin, 0);
@@ -1175,12 +1172,11 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     @action
     nudge = (x: number, y: number, nudgeTime: number = 500) => {
         if (this.props.ContainingCollectionDoc?._viewType !== CollectionViewType.Freeform || this.props.ContainingCollectionDoc._panX !== undefined) {
-            // bcz: this isn't ideal, but want to try it out...
-            this.setPan(NumCast(this.layoutDoc._panX) + ((this.props.PanelWidth() / 2) * x) / this.zoomScaling(), NumCast(this.layoutDoc._panY) + ((this.props.PanelHeight() / 2) * -y) / this.zoomScaling(), nudgeTime, true);
-            this._lastNudge && clearTimeout(this._lastNudge);
-            this._lastNudge = setTimeout(
-                action(() => (this._panZoomTransition = 0)),
-                nudgeTime
+            this.setPan(
+                NumCast(this.layoutDoc._panX) + ((this.props.PanelWidth() / 2) * x) / this.zoomScaling(), // nudge x,y as a function of panel dimension and scale
+                NumCast(this.layoutDoc._panY) + ((this.props.PanelHeight() / 2) * -y) / this.zoomScaling(),
+                nudgeTime,
+                true
             );
             return true;
         }
@@ -1205,10 +1201,20 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         }
     };
 
+    @action
+    setPanZoomTransition = (transitionTime: number) => {
+        this._panZoomTransition = transitionTime;
+        this._panZoomTransitionTimer && clearTimeout(this._panZoomTransitionTimer);
+        this._panZoomTransitionTimer = setTimeout(
+            action(() => (this._panZoomTransition = 0)),
+            transitionTime
+        );
+    };
+
     @action
     zoomSmoothlyAboutPt(docpt: number[], scale: number, transitionTime = 500) {
         if (this.Document._isGroup) return;
-        this._panZoomTransition = transitionTime;
+        this.setPanZoomTransition(transitionTime);
         const screenXY = this.getTransform().inverse().transformPoint(docpt[0], docpt[1]);
         this.layoutDoc[this.scaleFieldKey] = scale;
         const newScreenXY = this.getTransform().inverse().transformPoint(docpt[0], docpt[1]);
@@ -1216,7 +1222,6 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         const newpan = this.getTransform().transformDirection(scrDelta.x, scrDelta.y);
         this.layoutDoc._panX = NumCast(this.layoutDoc._panX) - newpan[0];
         this.layoutDoc._panY = NumCast(this.layoutDoc._panY) - newpan[1];
-        return new Promise<number>(res => setTimeout(() => res(runInAction(() => (this._panZoomTransition = 0))), this._panZoomTransition)); // set transition to be smooth, then reset
     }
 
     calculatePanIntoView = (doc: Doc, xf: Transform, scale?: number) => {
-- 
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