From e7a69c89363b3bdeae713f509d4283cf69ac7484 Mon Sep 17 00:00:00 2001
From: geireann <geireann.lindfield@gmail.com>
Date: Thu, 11 Jul 2024 14:25:56 -0400
Subject: fixed transforms for treeView.  cleanedup/commented some code.

---
 src/client/views/nodes/DocumentView.tsx | 41 ++++++++++++---------------------
 1 file changed, 15 insertions(+), 26 deletions(-)

(limited to 'src/client/views/nodes')

diff --git a/src/client/views/nodes/DocumentView.tsx b/src/client/views/nodes/DocumentView.tsx
index 3cf40c087..cd003f1a6 100644
--- a/src/client/views/nodes/DocumentView.tsx
+++ b/src/client/views/nodes/DocumentView.tsx
@@ -969,8 +969,8 @@ export class DocumentViewInternal extends DocComponent<FieldViewProps & Document
      * @returns a function that will wrap a JSX animation element wrapping any JSX element
      */
     public static AnimationEffect(renderDoc: JSX.Element, presEffectDoc: Opt<Doc>, root: Doc) {
-        let dir = (presEffectDoc?.presentation_effectDirection ?? presEffectDoc?.followLinkAnimDirection) as PresEffectDirection;
-        const transitionTime = presEffectDoc?.presentation_transition ? NumCast(presEffectDoc?.presentation_transition) : 500;
+        const dir = ((presEffectDoc?.presentation_effectDirection ?? presEffectDoc?.followLinkAnimDirection) || PresEffectDirection.Center) as PresEffectDirection;
+        const duration = Cast(presEffectDoc?.presentation_transition, 'number', Cast(presEffectDoc?.followLinkTransitionTime, 'number', null));
         const effectProps = {
             left: dir === PresEffectDirection.Left,
             right: dir === PresEffectDirection.Right,
@@ -978,26 +978,14 @@ export class DocumentViewInternal extends DocComponent<FieldViewProps & Document
             bottom: dir === PresEffectDirection.Bottom,
             opposite: true,
             delay: 0,
-            duration: Cast(presEffectDoc?.presentation_transition, 'number', Cast(presEffectDoc?.followLinkTransitionTime, 'number', null)),
+            duration,
         };
 
         const timing = StrCast(presEffectDoc?.presentation_effectTiming);
-        let timingConfig: SpringSettings | undefined;
-        if (timing) {
-            timingConfig = JSON.parse(timing);
-        }
-
-        if (!timingConfig) {
-            timingConfig = {
-                type: SpringType.GENTLE,
-                ...springMappings.gentle,
-            };
-        }
-
-        if (!dir) {
-            dir = PresEffectDirection.Center;
-        }
-
+        const timingConfig = (timing ? JSON.parse(timing) : undefined) ??  {
+            type: SpringType.GENTLE,
+            ...springMappings.gentle,
+        };
         switch (StrCast(presEffectDoc?.presentation_effect, StrCast(presEffectDoc?.followLinkAnimEffect))) {
             case PresEffect.Expand:     return <SpringAnimation doc={root} startOpacity={0} dir={dir} presEffect={PresEffect.Expand} springSettings={timingConfig}>{renderDoc}</SpringAnimation>
             case PresEffect.Flip:       return <SpringAnimation doc={root} startOpacity={0} dir={dir} presEffect={PresEffect.Flip}   springSettings={timingConfig}>{renderDoc}</SpringAnimation>
@@ -1079,15 +1067,16 @@ export class DocumentView extends DocComponent<DocumentViewProps>() {
         finished?: (changed: boolean) => void // func called after focusing on target with flag indicating whether anything needed to be done.
     ) => Promise<void>;
     public static linkCommonAncestor: (link: Doc) => DocumentView | undefined;
-    // pin func
+    /**
+     * Pins a Doc to the current presentation trail. (see TabDocView for implementation)
+     */
     public static PinDoc: (docIn: Doc | Doc[], pinProps: PinProps) => void;
-    // gesture
-    public static DownDocView: DocumentView | undefined; // the first DocView that receives a pointerdown event.  used by GestureOverlay to determine the doc a gesture should apply to.
-    // media playing
-    @observable public static CurrentlyPlaying: DocumentView[] = [];
+    /**
+     * The DocumentView below the cursor at the start of a gesture (that receives the pointerDown event).  Used by GestureOverlay to determine the doc a gesture should apply to.
+     */
+    public static DownDocView: DocumentView | undefined;
 
     public get displayName() {  return 'DocumentView(' + (this.Document?.title??"") + ')';  } // prettier-ignore
-    public ContentRef = React.createRef<HTMLDivElement>();
     private _htmlOverlayEffect: Opt<Doc>;
     private _disposers: { [name: string]: IReactionDisposer } = {};
     private _viewTimer: NodeJS.Timeout | undefined;
@@ -1118,6 +1107,7 @@ export class DocumentView extends DocComponent<DocumentViewProps>() {
     @observable private _htmlOverlayText: Opt<string> = undefined;
     @observable private _isHovering = false;
     @observable private _selected = false;
+    @observable public static CurrentlyPlaying: DocumentView[] = [];  // audio or video media views that are currently playing
 
     @computed private get shouldNotScale() {
         return (this.layout_fitWidth && !this.nativeWidth) || this.ComponentView?.isUnstyledView?.();
@@ -1464,7 +1454,6 @@ export class DocumentView extends DocComponent<DocumentViewProps>() {
                 {!this.Document || !this._props.PanelWidth() ? null : (
                     <div
                         className="contentFittingDocumentView-previewDoc"
-                        ref={this.ContentRef}
                         style={{
                             transform: `translate(${this.centeringX}px, ${this.centeringY}px)`,
                             width: xshift ?? `${this._props.PanelWidth() - this.Xshift * 2}px`,
-- 
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