most of the way through making the wcm tinymce extensions available from create html. still need to address:

- IE issues
- how to handle uploaded files from the create html context
- break out the filepicker backing code into its own bean (it's mingled into the XFormsBean at the moment)

also reorganizing and pruning the xforms unit test tree.

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5613 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/web/bean/wcm/CreateWebContentWizard.java

@@ -787,6 +787,16 @@ public class CreateWebContentWizard extends BaseContentWizard
    {
       return this.startWorkflow;
    }
+
+   /**
+    * Provides the url to the preview sandbox containing the asset currently
+    * being edited.
+    */
+   public String getPreviewSandboxUrl()
+   {
+      return AVMConstants.buildWebappUrl(AVMConstants.getCorrespondingPreviewStoreName(this.avmBrowseBean.getSandbox()), 
+                                         this.avmBrowseBean.getWebapp());
+   }
    
    public String getSummary()
    {