Bug 12775 [Dialogs] double click behaviour in move dialog (package view)
I double-clicked on a project, but instead of expanding the project and showing the children (source folders), it accepted the project as the target and commited OK. I think it's more natural that double clicking on projects, packages, etc. would expand/unexpand the node.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/reorg/JdtMoveAction.java
}	else {
			super.run();
		}
	}
	
	/* non java-doc
	 * @see ReorgDestinationAction#doReorg(ReorgRefactoring) 
	 */
	void doReorg(ReorgRefactoring refactoring) throws JavaModelException{
		if (!fShowPreview){
			super.doReorg(refactoring);
			return;
		}	
		
		RefactoringWizard wizard= new RefactoringWizard(refactoring, ReorgMessages.getString("JdtMoveAction.move"), IJavaHelpContextIds.MOVE_CU_ERROR_WIZARD_PAGE); 
		new RefactoringWizardDialog(JavaPlugin.getActiveWorkbenchShell(), wizard).open();	
	}
	
	private void moveProject(){
		MoveProjectAction action= new MoveProjectAction(JavaPlugin.getActiveWorkbenchShell());
		action.selectionChanged(getStructuredSelection());
		action.run();
	}
	
	
		
	private class MoveDestinationDialog extends ElementTreeSelectionDialog {
		private static final int PREVIEW_ID= IDialogConstants.CLIENT_ID + 1;
		private MoveRefactoring fRefactoring;
		private Button fCheckbox;