switch html document - re-initialize draw-utils and snap-manager on opening a document and while switching documents

Signed-off-by: Ananya Sen <Ananya.Sen@motorola.com>

9 files changed, 126 insertions, 31 deletions

diff --git a/js/controllers/document-controller.js b/js/controllers/document-controller.js
index 48e33267..f323ed99 100755
--- a/js/controllers/document-controller.js
+++ b/js/controllers/document-controller.js
@@ -321,7 +321,7 @@ var DocumentController = exports.DocumentController = Montage.create(Component,
     // Event Detail: Contains the current ActiveDocument
     _onOpenDocument: {
         value: function(doc){
-            //var data = DocumentManager.activeDocument;
+            this.application.ninja.currentDocument = doc;
             this._hideCurrentDocument();
             this.application.ninja.stage.stageView.hideOtherDocuments(doc.uuid);
 
@@ -405,7 +405,7 @@ var DocumentController = exports.DocumentController = Montage.create(Component,
         value: function() {
             if(this.activeDocument) {
                 if(this.activeDocument.currentView === "design"){
-                    this.application.ninja.stage.saveScroll();
+                    this.activeDocument.saveAppState();
                     this.activeDocument.container.parentNode.style["display"] = "none";
                     this.application.ninja.stage.hideCanvas(true);
                     this.application.ninja.stage.stageView.hideRulers();
@@ -422,7 +422,7 @@ var DocumentController = exports.DocumentController = Montage.create(Component,
                 this.activeDocument.container.style["display"] = "block";
                 if(this.activeDocument.currentView === "design"){
                     this.activeDocument.container.parentNode.style["display"] = "block";
-                    this.application.ninja.stage.restoreScroll();
+                    this.activeDocument.restoreAppState();
                     this.application.ninja.stage.hideCanvas(false);
                     this.application.ninja.stage.stageView.showRulers();
                 }else{
diff --git a/js/controllers/elements/element-controller.js b/js/controllers/elements/element-controller.js
index ac14def4..d6f2bc56 100755
--- a/js/controllers/elements/element-controller.js
+++ b/js/controllers/elements/element-controller.js
@@ -27,7 +27,11 @@ var ElementController = exports.ElementController = Montage.create(NJComponent,
     
     getProperty: {
         value: function(el, prop, fallbackOnComputed, isStageElement) {
-            return this.application.ninja.stylesController.getElementStyle(el, prop, fallbackOnComputed, isStageElement);
+            if(el.nodeType !== 3){
+                return this.application.ninja.stylesController.getElementStyle(el, prop, fallbackOnComputed, isStageElement);
+            }else{
+                return null;
+            }
         }
     },
 
diff --git a/js/controllers/selection-controller.js b/js/controllers/selection-controller.js
index d69b53e0..f50762f3 100755
--- a/js/controllers/selection-controller.js
+++ b/js/controllers/selection-controller.js
@@ -58,6 +58,7 @@ exports.SelectionController = Montage.create(Component, {
     handleOpenDocument: {
         value: function() {
             // Handle initializing the selection array here.
+            this.initWithDocument([]);
         }
     },
     
@@ -70,6 +71,14 @@ exports.SelectionController = Montage.create(Component, {
                 if(currentSelectionArray.length >= 1) {
                     this._selectedItems = currentSelectionArray;
                     this._isDocument = false;
+
+
+
+                    this.application.ninja.selectedElements = currentSelectionArray;
+                    NJevent("selectionChange", {"elements": this.application.ninja.selectedElements, "isDocument": this._isDocument} );
+
+
+
                 }
             }
 
diff --git a/js/document/html-document.js b/js/document/html-document.js
index 02e9918f..f260b665 100755
--- a/js/document/html-document.js
+++ b/js/document/html-document.js
@@ -53,6 +53,11 @@ exports.HTMLDocument = Montage.create(TextDocument, {
     },
 
 
+    //drawUtils state
+    _gridHorizontalSpacing: {value:0},
+    _gridVerticalSpacing: {value:0},
+    //end - drawUtils state
+
 
     // GETTERS / SETTERS
 
@@ -71,6 +76,16 @@ exports.HTMLDocument = Montage.create(TextDocument, {
         set: function(value) { this._savedTopScroll = value}
     },
 
+    gridHorizontalSpacing:{
+        get: function() { return this._gridHorizontalSpacing; },
+        set: function(value) { this._gridHorizontalSpacing = value}
+    },
+
+    gridVerticalSpacing:{
+        get: function() { return this._gridVerticalSpacing; },
+        set: function(value) { this._gridVerticalSpacing = value}
+    },
+
     selectionExclude: {
         get: function() { return this._selectionExclude; },
         set: function(value) { this._selectionExclude = value; }
@@ -444,7 +459,7 @@ exports.HTMLDocument = Montage.create(TextDocument, {
                                         this._styles = this._document.styleSheets[1];
                                         this._stylesheets = this._document.styleSheets; // Entire stlyesheets array
                                         
-                                        console.log(this._document.styleSheets);
+                                        //console.log(this._document.styleSheets);
                                         
                                         ////////////////////////////////////////////////////////////////////////////
                                         ////////////////////////////////////////////////////////////////////////////
@@ -570,7 +585,47 @@ exports.HTMLDocument = Montage.create(TextDocument, {
                         //Error
                 }
         }
-        }
+        },
         ////////////////////////////////////////////////////////////////////
+    saveAppState:{
+        enumerable: false,
+        value: function () {
+
+            this.savedLeftScroll = this.application.ninja.stage._iframeContainer.scrollLeft;
+            this.savedTopScroll = this.application.ninja.stage._iframeContainer.scrollTop;
+
+            this.gridHorizontalSpacing = this.application.ninja.stage.drawUtils.gridHorizontalSpacing;
+            this.gridVerticalSpacing = this.application.ninja.stage.drawUtils.gridVerticalSpacing;
+
+            //TODO:selection should be saved as an element state data, to avoid duplicate dom elements store in memory
+            if(typeof this.application.ninja.selectedElements !== 'undefined'){
+                this.selectionModel = this.application.ninja.selectedElements;
+            }
+        }
+    },
+
+    ////////////////////////////////////////////////////////////////////
+    restoreAppState:{
+        enumerable: false,
+        value: function () {
+            if((this.savedLeftScroll!== null) && (this.savedTopScroll !== null)){
+                this.application.ninja.stage._iframeContainer.scrollLeft = this.savedLeftScroll;
+                this.application.ninja.stage._scrollLeft = this.savedLeftScroll;
+                this.application.ninja.stage._iframeContainer.scrollTop = this.savedTopScroll;
+                this.application.ninja.stage._scrollTop = this.savedTopScroll;
+            }
+
+            this.application.ninja.stage.drawUtils.gridHorizontalSpacing = this.gridHorizontalSpacing;
+            this.application.ninja.stage.drawUtils.gridVerticalSpacing = this.gridVerticalSpacing;
+
+            //TODO:selectionController.initWithDocument should loop over elements in documentRoot to repopulate
+            if((typeof this.selectionModel !== 'undefined') && (this.selectionModel !== null) && (this.selectionModel.length > 0)){
+                this.application.ninja.selectionController.initWithDocument(this.selectionModel);
+            }
+            
+
+        }
+    }
+
         ////////////////////////////////////////////////////////////////////
 });
\ No newline at end of file
diff --git a/js/helper-classes/3D/draw-utils.js b/js/helper-classes/3D/draw-utils.js
index c07391db..37fc1cfc 100755
--- a/js/helper-classes/3D/draw-utils.js
+++ b/js/helper-classes/3D/draw-utils.js
@@ -115,6 +115,26 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
                 }
         },
 
+    initializeFromDocument:{
+        value:function(){
+            var documentRootChildren = null, i;
+            //initialize with current document
+            this._eltArray = [];
+            this._planesArray = [];
+            this.setDrawingSurfaceElement(this.application.ninja.stage.canvas);
+            this.setSourceSpaceElement( this.application.ninja.stage.stageDeps.currentStage );
+            this.setWorkingPlane( Vector.create( [0,0,1,0] ) );
+
+            //Loop through all the top-level children of the current document and call drawUtils.addElement on them
+            if(this.application.ninja.currentDocument.documentRoot.hasChildNodes()){
+                documentRootChildren = this.application.ninja.currentDocument.documentRoot.childNodes;
+                for(i=0;i<documentRootChildren.length;i++){
+                    this.addElement(documentRootChildren[i]);
+                }
+            }