Revision 8c6e9848

b/src/gr/grnet/pithos/web/client/grouptree/GroupTreeView.java
62 62 
        TreeNode root = tree.getRootTreeNode();
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        if (group != null)
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        	updateChildren(root, group);
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        else {
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        else if (root.getChildCount() > 0) {
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        	root.setChildOpen(0, false, true);
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        	root.setChildOpen(0, true, true);
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        }
b/src/gr/grnet/pithos/web/client/grouptree/GroupTreeViewModel.java
153 153 
    public <T> NodeInfo<?> getNodeInfo(T value) {
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        if (value == null) {
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        	groupsDataProvider.getList().clear();
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        	groupsDataProvider.getList().addAll(app.getAccount().getGroups());
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       		groupsDataProvider.getList().addAll(app.getAccount().getGroups());
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       		groupsDataProvider.getList().add(new Group("Create new group..."));
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            return new DefaultNodeInfo<Group>(groupsDataProvider, groupCell, groupSelectionModel, null);
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        }
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    	Group g = (Group) value;
......
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	@Override


  		





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    public boolean isLeaf(Object o) {


  		





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        if (o instanceof String) {


  		





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       		return ((String) o).length() == 0 || app.getAccount().getGroups().isEmpty();


  		





  
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        if (o instanceof User) {


  		





  
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       		return true;


  		





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        }


  		





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        else if (o instanceof Group)


  		





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        	return ((Group) o).getMembers().isEmpty();


  		





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        else if (o != null)


  		





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        	return true;


  		





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        return app.getAccount().getGroups().isEmpty();


  		





  
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        return false;


  		





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    }


  		





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	public void updateGroupNode(Group group) {


  		





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		if (group == null) {


  		





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			groupsDataProvider.getList().clear();


  		





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			groupsDataProvider.getList().addAll(app.getAccount().getGroups());


  		





  
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       		groupsDataProvider.getList().add(new Group("Create new group..."));


  		





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		}


  		





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		else {


  		





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			if (userDataProviderMap.get(group) == null) {


  		












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