*/
private void registerItemEditors()
{
ItemEditorRegistry registry = ItemEditorRegistry.getInstance();
StandardItemEditor standardItemEditor = new StandardItemEditor();
NodeItemEditor nodeItemEditor = new NodeItemEditor();
registry.registerItemEditor(ItemTypes.ACTIVITY, nodeItemEditor);
registry.registerItemEditor(ModelObjectSymbolNames.PLACEHOLDER_NODE, nodeItemEditor);
registry.registerItemEditor(ItemTypes.PROCESS, nodeItemEditor);