From a9ecaef0c7d870136401dfbb687afdb9dd2843f4 Mon Sep 17 00:00:00 2001
From: bob <bcz@cs.brown.edu>
Date: Thu, 11 Jul 2019 11:00:09 -0400
Subject: fixed fitToBox stuff.

---
 .../collectionFreeForm/CollectionFreeFormView.tsx      | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 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 1363e1ceb..1d1db8de3 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
@@ -52,13 +52,22 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
     private get _pwidth() { return this.props.PanelWidth(); }
     private get _pheight() { return this.props.PanelHeight(); }
 
+    @computed get contentBounds() {
+        let bounds = this.props.fitToBox && !NumCast(this.nativeWidth) ? Doc.ComputeContentBounds(DocListCast(this.props.Document.data)) : undefined;
+        return {
+            panX: bounds ? (bounds.x + bounds.r) / 2 : this.Document.panX || 0,
+            panY: bounds ? (bounds.y + bounds.b) / 2 : this.Document.panY || 0,
+            scale: bounds ? Math.min(this.props.PanelHeight() / (bounds.b - bounds.y), this.props.PanelWidth() / (bounds.r - bounds.x)) : this.Document.scale || 1
+        };
+    }
+
     @computed get nativeWidth() { return this.Document.nativeWidth || 0; }
     @computed get nativeHeight() { return this.Document.nativeHeight || 0; }
     public get isAnnotationOverlay() { return this.props.fieldExt ? true : false; } // fieldExt will be "" or "annotation". should maybe generalize this, or make it more specific (ie, 'annotation' instead of 'fieldExt')
     private get borderWidth() { return this.isAnnotationOverlay ? 0 : COLLECTION_BORDER_WIDTH; }
-    private panX = () => this.props.fitToBox ? this.props.fitToBox()[0] : this.Document.panX || 0;
-    private panY = () => this.props.fitToBox ? this.props.fitToBox()[1] : this.Document.panY || 0;
-    private zoomScaling = () => this.props.fitToBox ? this.props.fitToBox()[2] : this.Document.scale || 1;
+    private panX = () => this.contentBounds.panX;
+    private panY = () => this.contentBounds.panY;
+    private zoomScaling = () => this.contentBounds.scale;
     private centeringShiftX = () => !this.nativeWidth ? this._pwidth / 2 : 0;  // shift so pan position is at center of window for non-overlay collections
     private centeringShiftY = () => !this.nativeHeight ? this._pheight / 2 : 0;// shift so pan position is at center of window for non-overlay collections
     private getTransform = (): Transform => this.props.ScreenToLocalTransform().translate(-this.borderWidth + 1, -this.borderWidth + 1).translate(-this.centeringShiftX(), -this.centeringShiftY()).transform(this.getLocalTransform());
@@ -502,12 +511,11 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
         ...this.views
     ]
     render() {
-        const containerName = `collectionfreeformview${this.isAnnotationOverlay ? "-overlay" : "-container"}`;
         const easing = () => this.props.Document.panTransformType === "Ease";
 
         Doc.UpdateDocumentExtensionForField(this.props.DataDoc ? this.props.DataDoc : this.props.Document, this.props.fieldKey);
         return (
-            <div className={containerName} ref={this.createDropTarget} onWheel={this.onPointerWheel}
+            <div className={"collectionfreeformview-container"} ref={this.createDropTarget} onWheel={this.onPointerWheel}
                 onPointerDown={this.onPointerDown} onPointerMove={this.onCursorMove} onDrop={this.onDrop.bind(this)} onDragOver={this.onDragOver} onContextMenu={this.onContextMenu}>
                 <MarqueeView container={this} activeDocuments={this.getActiveDocuments} selectDocuments={this.selectDocuments} isSelected={this.props.isSelected}
                     addDocument={this.addDocument} removeDocument={this.props.removeDocument} addLiveTextDocument={this.addLiveTextBox}
-- 
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