From a793e29e99d15ac0fe39c0ac838b10d8311eec03 Mon Sep 17 00:00:00 2001
From: Tyler Schicke <tyler_schicke@brown.edu>
Date: Thu, 28 Feb 2019 10:34:33 -0500
Subject: Started fixing transforms

---
 .../views/collections/CollectionDockingView.tsx    |  2 +-
 .../views/collections/CollectionFreeFormView.tsx   | 26 ++++++++++++++--------
 .../views/nodes/CollectionFreeFormDocumentView.tsx |  1 +
 src/client/views/nodes/DocumentView.tsx            |  9 ++++++++
 4 files changed, 28 insertions(+), 10 deletions(-)

(limited to 'src')

diff --git a/src/client/views/collections/CollectionDockingView.tsx b/src/client/views/collections/CollectionDockingView.tsx
index 915e33533..ad7164e33 100644
--- a/src/client/views/collections/CollectionDockingView.tsx
+++ b/src/client/views/collections/CollectionDockingView.tsx
@@ -236,7 +236,7 @@ interface DockedFrameProps {
 @observer
 export class DockedFrameRenderer extends React.Component<DockedFrameProps> {
 
-    @observable private _mainCont = React.createRef<HTMLDivElement>();
+    private _mainCont = React.createRef<HTMLDivElement>();
     @observable private _panelWidth = 0;
     @observable private _panelHeight = 0;
     @observable private _document: Opt<Document>;
diff --git a/src/client/views/collections/CollectionFreeFormView.tsx b/src/client/views/collections/CollectionFreeFormView.tsx
index 63255dd90..dee4651df 100644
--- a/src/client/views/collections/CollectionFreeFormView.tsx
+++ b/src/client/views/collections/CollectionFreeFormView.tsx
@@ -100,9 +100,9 @@ export class CollectionFreeFormView extends CollectionViewBase {
             e.stopPropagation();
             let x = this.props.Document.GetNumber(KeyStore.PanX, 0);
             let y = this.props.Document.GetNumber(KeyStore.PanY, 0);
-            let [dx, dy] = this.props.ScreenToLocalTransform().transformDirection(e.clientX - this._lastX, e.clientY - this._lastY);
+            let [dx, dy] = this.getTransform().transformDirection(e.clientX - this._lastX, e.clientY - this._lastY);
             this._previewCursorVisible = false;
-            this.SetPan(x + dx, y + dy);
+            this.SetPan(x - dx, y - dy);
         }
         this._lastX = e.pageX;
         this._lastY = e.pageY;
@@ -134,10 +134,14 @@ export class CollectionFreeFormView extends CollectionViewBase {
             let [x, y] = transform.transformPoint(e.clientX, e.clientY);
 
             let localTransform = this.getLocalTransform();
-            localTransform = localTransform.inverse().scaleAbout(deltaScale, x, y)
+            console.log("test")
+            console.log(localTransform.inverse())
+            console.log([x, y])
+            localTransform = localTransform.inverse().preTranslate(-this.centeringShiftX, -this.centeringShiftY).scaleAbout(deltaScale, x, y)
+            console.log(localTransform)
 
             this.props.Document.SetNumber(KeyStore.Scale, localTransform.Scale);
-            this.SetPan(localTransform.TranslateX, localTransform.TranslateY);
+            this.SetPan(-localTransform.TranslateX, -localTransform.TranslateY);
         }
     }
 
@@ -250,8 +254,8 @@ export class CollectionFreeFormView extends CollectionViewBase {
             />);
     }
 
-    getTransform = (): Transform => this.props.ScreenToLocalTransform().translate(-COLLECTION_BORDER_WIDTH - this.centeringShiftX, -COLLECTION_BORDER_WIDTH - this.centeringShiftY).transform(this.getLocalTransform())
-    getLocalTransform = (): Transform => Transform.Identity.translate(-this.panX, -this.panY).scale(1 / this.scale);
+    getTransform = (): Transform => this.props.ScreenToLocalTransform().translate(-COLLECTION_BORDER_WIDTH, -COLLECTION_BORDER_WIDTH).transform(this.getLocalTransform())
+    getLocalTransform = (): Transform => Transform.Identity.translate(-this.centeringShiftX, -this.centeringShiftY).scale(1 / this.scale).translate(this.panX, this.panY);
     noScaling = () => 1;
 
     //when focus is lost, this will remove the preview cursor
@@ -270,8 +274,12 @@ export class CollectionFreeFormView extends CollectionViewBase {
             cursor = <div id="prevCursor" onKeyPress={this.onKeyDown} style={{ color: "black", position: "absolute", transformOrigin: "left top", transform: `translate(${x}px, ${y}px)` }}>I</div>
         }
 
-        const panx: number = this.props.Document.GetNumber(KeyStore.PanX, 0) + this.centeringShiftX;
-        const pany: number = this.props.Document.GetNumber(KeyStore.PanY, 0) + this.centeringShiftY;
+        let [dx, dy] = [this.centeringShiftX, this.centeringShiftY];
+
+        const panx: number = -this.props.Document.GetNumber(KeyStore.PanX, 0);
+        const pany: number = -this.props.Document.GetNumber(KeyStore.PanY, 0);
+        // const panx: number = this.props.Document.GetNumber(KeyStore.PanX, 0) + this.centeringShiftX;
+        // const pany: number = this.props.Document.GetNumber(KeyStore.PanY, 0) + this.centeringShiftY;
 
         return (
             <div className="collectionfreeformview-container"
@@ -285,7 +293,7 @@ export class CollectionFreeFormView extends CollectionViewBase {
                 tabIndex={0}
                 ref={this.createDropTarget}>
                 <div className="collectionfreeformview"
-                    style={{ transformOrigin: "left top", transform: ` translate(${panx}px, ${pany}px) scale(${this.zoomScaling}, ${this.zoomScaling})` }}
+                    style={{ transformOrigin: "left top", transform: `translate(${dx}px, ${dy}px) scale(${this.zoomScaling}, ${this.zoomScaling}) translate(${panx}px, ${pany}px)` }}
                     ref={this._canvasRef}>
                     {this.backgroundView}
                     {cursor}
diff --git a/src/client/views/nodes/CollectionFreeFormDocumentView.tsx b/src/client/views/nodes/CollectionFreeFormDocumentView.tsx
index 50dc5a619..9edad1f64 100644
--- a/src/client/views/nodes/CollectionFreeFormDocumentView.tsx
+++ b/src/client/views/nodes/CollectionFreeFormDocumentView.tsx
@@ -69,6 +69,7 @@ export class CollectionFreeFormDocumentView extends React.Component<DocumentView
     }
 
     render() {
+        console.log(this.transform);
         return (
             <div className="collectionFreeFormDocumentView-container" ref={this._mainCont} style={{
                 transformOrigin: "left top",
diff --git a/src/client/views/nodes/DocumentView.tsx b/src/client/views/nodes/DocumentView.tsx
index d5b4a723d..221ded21b 100644
--- a/src/client/views/nodes/DocumentView.tsx
+++ b/src/client/views/nodes/DocumentView.tsx
@@ -179,6 +179,15 @@ export class DocumentView extends React.Component<DocumentViewProps> {
         ContextMenu.Instance.addItem({ description: "Freeform", event: () => this.props.Document.SetNumber(KeyStore.ViewType, CollectionViewType.Freeform) })
         ContextMenu.Instance.addItem({ description: "Schema", event: () => this.props.Document.SetNumber(KeyStore.ViewType, CollectionViewType.Schema) })
         ContextMenu.Instance.addItem({ description: "Treeview", event: () => this.props.Document.SetNumber(KeyStore.ViewType, CollectionViewType.Tree) })
+        ContextMenu.Instance.addItem({
+            description: "center", event: () => {
+                if (this.props.ContainingCollectionView) {
+                    let doc = this.props.ContainingCollectionView.props.Document;
+                    doc.SetNumber(KeyStore.PanX, this.props.Document.GetNumber(KeyStore.X, 0) + (this.props.Document.GetNumber(KeyStore.Width, 0) / 2))
+                    doc.SetNumber(KeyStore.PanY, this.props.Document.GetNumber(KeyStore.Y, 0) + (this.props.Document.GetNumber(KeyStore.Height, 0) / 2))
+                }
+            }
+        })
         //ContextMenu.Instance.addItem({ description: "Docking", event: () => this.props.Document.SetNumber(KeyStore.ViewType, CollectionViewType.Docking) })
         ContextMenu.Instance.displayMenu(e.pageX - 15, e.pageY - 15)
         if (!this.topMost) {
-- 
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