Corrections for canvas file IO

1 files changed, 66 insertions, 3 deletions

diff --git a/js/document/html-document.js b/js/document/html-document.js
index 7dd28385..f1b99866 100755
--- a/js/document/html-document.js
+++ b/js/document/html-document.js
@@ -185,9 +185,51 @@ exports.HTMLDocument = Montage.create(TextDocument, {
                         var elt = this.documentRoot;
                         if (elt)
                         {
-                                //console.log( "load canvas data: " , value );
-                                var cdm = new CanvasDataManager();
-                                cdm.loadGLData(elt,  value);
+                                var loadForRuntime = true;
+                                if (loadForRuntime)
+                                {
+                                        //console.log( "load canvas data: " , value );
+                                        var cdm = new CanvasDataManager();
+                                        cdm.loadGLData(elt,  value,  NJUtils);
+                                }
+                                else
+                                {
+                                        var nWorlds= value.length;
+                                        for (var i=0;  i<nWorlds;  i++)
+                                        {
+                                                var importStr = value[i];
+                                                var startIndex = importStr.indexOf( "id: " );
+                                                if (startIndex >= 0)
+                                                {
+                                                        var endIndex = importStr.indexOf( "\n", startIndex );
+                                                        if (endIndex > 0)
+                                                        {
+                                                                var id = importStr.substring( startIndex+4, endIndex );
+                                                                if (id)
+                                                                {
+                                                                        var canvas = this.findCanvasWithID( id, elt );
+                                                                        if (canvas)
+                                                                        {
+                                                                                if (!canvas.elementModel)
+                                                                                {
+                                                                                        NJUtils.makeElementModel(canvas, "Canvas", "shape", true);
+                                                                                }
+                                                                
+                                                                                if (canvas.elementModel)
+                                                                                {
+                                                                                        if (canvas.elementModel.shapeModel.GLWorld)
+                                                                                                canvas.elementModel.shapeModel.GLWorld.clearTree();
+
+                                                                                        var world = new GLWorld( canvas );
+                                                                                        canvas.elementModel.shapeModel.GLWorld = world;
+                                                                                        world.import( importStr );
+                                                                                }
+                                                                        }
+                                                                }
+                                                        }
+                                                }
+                                        }
+                                }
                         }
                 }
     },
@@ -219,6 +261,27 @@ exports.HTMLDocument = Montage.create(TextDocument, {
             }
         }
     },
+
+    /**
+     * search the DOM tree to find a canvas with the given id
+     */
+        findCanvasWithID:  {
+                value: function( id,  elt )  {
+                        var cid = elt.getAttribute( "data-RDGE-id" );
+                        if (cid == id)  return elt;
+
+                        if (elt.children)
+                        {
+                                var nKids = elt.children.length;
+                                for (var i=0;  i<nKids;  i++)
+                                {
+                                        var child = elt.children[i];
+                                        var foundElt = this.findCanvasWithID( id, child );
+                                        if (foundElt)  return foundElt;
+                                }
+                        }
+                }
+        },