From 1f959b7e51106bf30bf8a83af71516ebce7855db Mon Sep 17 00:00:00 2001
From: koutsoub <devnull@localhost>
Date: Thu, 3 Feb 2011 11:57:16 +0200
Subject: [PATCH] configuring dnd

---
 src/gr/ebs/gss/client/CellTreeView.java      |   24 +++++++++++++++++++++++-
 src/gr/ebs/gss/client/CellTreeViewModel.java |   14 ++++++++++++--
 src/gr/ebs/gss/client/FileList.java          |   19 +++++--------------
 3 files changed, 40 insertions(+), 17 deletions(-)

diff --git a/src/gr/ebs/gss/client/CellTreeView.java b/src/gr/ebs/gss/client/CellTreeView.java
index 22b6836..d38b783 100644
--- a/src/gr/ebs/gss/client/CellTreeView.java
+++ b/src/gr/ebs/gss/client/CellTreeView.java
@@ -471,7 +471,29 @@ public class CellTreeView extends Composite{
 			}
 		}
 	}
-	
+	public void openNodeContainingResource(RestResource resource){
+		TreeNode node = tree.getRootTreeNode();
+		openNodeContainingResource(node,resource);
+	}
+	private void openNodeContainingResource(TreeNode node, RestResource resource){
+		int count = node.getChildCount();
+		for(int i=0;i<count;i++){
+				if(node.getChildValue(i).equals(resource)){
+					GWT.log("FOUND RESOURCE");
+					//node.setChildOpen(i, false, true);
+					node.setChildOpen(i, true, true);
+					return;
+				}
+				else{
+					if(node.isChildOpen(i)){
+						TreeNode n = node.setChildOpen(i, true);
+						if(n!=null)
+							openNodeContainingResource(n,resource);
+					}
+				}
+			
+		}
+	}
 	
 	public interface RefreshHandler{
 		void onRefresh();		
diff --git a/src/gr/ebs/gss/client/CellTreeViewModel.java b/src/gr/ebs/gss/client/CellTreeViewModel.java
index 363af4a..6c747fe 100644
--- a/src/gr/ebs/gss/client/CellTreeViewModel.java
+++ b/src/gr/ebs/gss/client/CellTreeViewModel.java
@@ -18,6 +18,7 @@
  */
 package gr.ebs.gss.client;
 
+import static com.google.gwt.query.client.GQuery.$;
 import gr.ebs.gss.client.CellTreeView.Images;
 import gr.ebs.gss.client.CellTreeView.RefreshHandler;
 import gr.ebs.gss.client.rest.GetCommand;
@@ -50,7 +51,6 @@ import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import static com.google.gwt.query.client.GQuery.$;
 
 import com.google.gwt.cell.client.AbstractCell;
 import com.google.gwt.cell.client.Cell;
@@ -58,7 +58,6 @@ import com.google.gwt.cell.client.ValueUpdater;
 import com.google.gwt.core.client.GWT;
 import com.google.gwt.dom.client.Style.Cursor;
 import com.google.gwt.safehtml.client.SafeHtmlTemplates;
-import com.google.gwt.safehtml.client.SafeHtmlTemplates.Template;
 import com.google.gwt.safehtml.shared.SafeHtml;
 import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
 import com.google.gwt.user.client.DeferredCommand;
@@ -201,6 +200,17 @@ public class CellTreeViewModel implements TreeViewModel{
 	        options.setDroppableHoverClass("droppableHover");
 	        // use a DroppableFunction here. We can also add a DropHandler in the tree
 	        // itself
+	        options.setOnOver(new DroppableFunction() {
+				
+				@Override
+				public void f(DragAndDropContext context) {
+					GWT.log("-->OnActivate:"+context.getDroppableData());
+					if(context.getDroppableData()!=null && context.getDroppableData() instanceof RestResource){
+						GSS.get().getTreeView().openNodeContainingResource((RestResource) context.getDroppableData());
+					}
+					
+				}
+			});
 	        options.setOnDrop(new DroppableFunction() {
 
 	          public void f(DragAndDropContext context) {
diff --git a/src/gr/ebs/gss/client/FileList.java b/src/gr/ebs/gss/client/FileList.java
index cd2d468..a55c33e 100644
--- a/src/gr/ebs/gss/client/FileList.java
+++ b/src/gr/ebs/gss/client/FileList.java
@@ -29,6 +29,7 @@ import gr.ebs.gss.client.rest.resource.TrashResource;
 import gr.ebs.gss.client.rest.resource.UserResource;
 import gr.ebs.gss.client.rest.resource.UserSearchResource;
 import gwtquery.plugins.draggable.client.DraggableOptions;
+import gwtquery.plugins.draggable.client.StopDragException;
 import gwtquery.plugins.draggable.client.DraggableOptions.DragFunction;
 import gwtquery.plugins.draggable.client.DraggableOptions.RevertOption;
 import gwtquery.plugins.draggable.client.events.DragContext;
@@ -349,17 +350,8 @@ public class FileList extends Composite {
 
 		      public void onDragStart(DragStartEvent event) {
 		        FileResource value = event.getDraggableData();
-		       /* if(!selectionModel.isSelected(value)){
-		        	//event.getHelper().removeFromParent();
-		        	
-		        	return;
-		        }*/
-		        
 		        com.google.gwt.dom.client.Element helper = event.getHelper();
-		        
 		        SafeHtmlBuilder sb = new SafeHtmlBuilder();
-		        // reuse the contact cell to render the inner html of the drag helper.
-		        ///new CotactCell(images.blank()).render(new Context(0,0, value), value, sb);
 		        sb.appendHtmlConstant("<b>");
 		        sb.appendEscaped(value.getName());
 		        sb.appendHtmlConstant("</b>");
@@ -492,15 +484,14 @@ public class FileList extends Composite {
 		    // prevents dragging when user click on the category drop-down list
 		    draggableOptions.setCancel("select");
 		    
-		    draggableOptions.setOnDragStart(new DragFunction() {
+		    draggableOptions.setOnBeforeDragStart(new DragFunction() {
 				
 				@Override
 				public void f(DragContext context) {
 					 FileResource value = context.getDraggableData();
-				        if(!selectionModel.isSelected(value)){
-				        	dragStop.onDragStop(new DragStopEvent(context));
-				        	return;
-				        }
+				     if(!selectionModel.isSelected(value)){
+				       	throw new StopDragException();
+				      }
 					
 				}
 			});
-- 
1.7.10.4