From 13ced657b7a3292e57150bf5e44412d7068b7e3d Mon Sep 17 00:00:00 2001
From: Bob Zeleznik <zzzman@gmail.com>
Date: Tue, 16 Apr 2019 00:37:07 -0400
Subject: code clean up and fix to performance issues.

---
 .../views/nodes/CollectionFreeFormDocumentView.tsx | 33 ++++++++++++----------
 1 file changed, 18 insertions(+), 15 deletions(-)

(limited to 'src/client/views/nodes/CollectionFreeFormDocumentView.tsx')

diff --git a/src/client/views/nodes/CollectionFreeFormDocumentView.tsx b/src/client/views/nodes/CollectionFreeFormDocumentView.tsx
index b00cefbf6..68e5a70fb 100644
--- a/src/client/views/nodes/CollectionFreeFormDocumentView.tsx
+++ b/src/client/views/nodes/CollectionFreeFormDocumentView.tsx
@@ -9,17 +9,12 @@ import React = require("react");
 import { OmitKeys } from "../../../Utils";
 
 export interface CollectionFreeFormDocumentViewProps extends DocumentViewProps {
-    zoomFade: number;
 }
 
 @observer
 export class CollectionFreeFormDocumentView extends React.Component<CollectionFreeFormDocumentViewProps> {
     private _mainCont = React.createRef<HTMLDivElement>();
 
-    constructor(props: CollectionFreeFormDocumentViewProps) {
-        super(props);
-    }
-
     @computed
     get transform(): string {
         return `scale(${this.props.ContentScaling()}, ${this.props.ContentScaling()}) translate(${this.props.Document.GetNumber(KeyStore.X, 0)}px, ${this.props.Document.GetNumber(KeyStore.Y, 0)}px) scale(${this.zoom}, ${this.zoom}) `;
@@ -50,33 +45,41 @@ export class CollectionFreeFormDocumentView extends React.Component<CollectionFr
         this.props.Document.SetData(KeyStore.ZIndex, h, NumberField);
     }
 
-    contentScaling = () => this.nativeWidth > 0 ? this.width / this.nativeWidth : 1;
-
     getTransform = (): Transform =>
         this.props.ScreenToLocalTransform()
             .translate(-this.props.Document.GetNumber(KeyStore.X, 0), -this.props.Document.GetNumber(KeyStore.Y, 0))
             .scale(1 / this.contentScaling()).scale(1 / this.zoom)
 
+    contentScaling = () => this.nativeWidth > 0 ? this.width / this.nativeWidth : 1;
+    panelWidth = () => this.props.Document.GetBoolean(KeyStore.Minimized, false) ? 10 : this.props.PanelWidth();
+    panelHeight = () => this.props.Document.GetBoolean(KeyStore.Minimized, false) ? 10 : this.props.PanelHeight();
+
     @computed
     get docView() {
-        return <DocumentView {...this.docViewProps}
+        return <DocumentView {...OmitKeys(this.props, ['zoomFade'])}
             ContentScaling={this.contentScaling}
             ScreenToLocalTransform={this.getTransform}
             PanelWidth={this.panelWidth}
             PanelHeight={this.panelHeight}
         />;
     }
-    @computed
-    get docViewProps(): DocumentViewProps {
-        return (OmitKeys(this.props, ['zoomFade']));
-    }
-    panelWidth = () => this.props.Document.GetBoolean(KeyStore.Minimized, false) ? 10 : this.props.PanelWidth();
-    panelHeight = () => this.props.Document.GetBoolean(KeyStore.Minimized, false) ? 10 : this.props.PanelHeight();
 
     render() {
+        trace();
+        let zoomFade = 1;
+        // //var zoom = doc.GetNumber(KeyStore.Zoom, 1);
+        // let transform = (this.props.ScreenToLocalTransform().scale(this.props.ContentScaling())).inverse();
+        // var [sptX, sptY] = transform.transformPoint(0, 0);
+        // let [bptX, bptY] = transform.transformPoint(this.props.PanelWidth(), this.props.PanelHeight());
+        // let w = bptX - sptX;
+        // //zoomFade = area < 100 || area > 800 ? Math.max(0, Math.min(1, 2 - 5 * (zoom < this.scale ? this.scale / zoom : zoom / this.scale))) : 1;
+        // let fadeUp = .75 * 1800;
+        // let fadeDown = .075 * 1800;
+        // zoomFade = w < fadeDown || w > fadeUp ? Math.max(0, Math.min(1, 2 - (w < fadeDown ? fadeDown / w : w / fadeUp))) : 1;
+
         return (
             <div className="collectionFreeFormDocumentView-container" ref={this._mainCont} style={{
-                opacity: this.props.zoomFade,
+                opacity: zoomFade,
                 transformOrigin: "left top",
                 transform: this.transform,
                 pointerEvents: "all",
-- 
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