TreeViewerActionGroup.java

/**
 * <p>Copyright: Copyright (c) 2009</p>
 * <p>Company: �������ӹɷ����޹�˾</p>
 */
package com.hundsun.ares.studio.ui.control.deprecated;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.ui.actions.ActionGroup;



public class TreeViewerActionGroup extends ActionGroup implements ISelectionChangedListener {
	private TreeViewerExComponent<?> component;
	private Action insert = new InsertAction();
	private Action copy = new CopyAction();
	private Action paste = new PasteAction();
	private Action cut = new CutAction();
	private Action delete = new DeleteAction();

	
	
	public TreeViewerActionGroup(TreeViewerExComponent<?> component) {
		super();
		this.component = component;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.ui.actions.ActionGroup#fillContextMenu(org.eclipse.jface.action.IMenuManager)
	 */
	@Override
	public void fillContextMenu(IMenuManager menu) {
		
		menu.add(insert);
		menu.add(copy);
		menu.add(cut);
		menu.add(paste);
		menu.add(delete);
		updateAction();
		
		final Tree tree =  component.getTreeViewer().getTree();
		component.getTreeViewer().addSelectionChangedListener(this);
		tree.setMenu(((MenuManager)menu).createContextMenu(tree)); 
		

	}

	private void updateAction() {
		insert.setEnabled(component.canInsert());
		copy.setEnabled(component.canCopy());
		paste.setEnabled(component.canPaste());
		cut.setEnabled(component.canCut());
		delete.setEnabled(component.canDelete());
	}
	
	public void selectionChanged(SelectionChangedEvent event) {
		updateAction();
	}
	
	private class CopyAction extends Action  {

		public CopyAction() {
			super("����\tCtrl+C");
		}

		/* (non-Javadoc)
		 * @see org.eclipse.jface.action.Action#run()
		 */
		@Override
		public void run() {
			component.copy();
		}

	}
	
	
	private class CutAction extends Action {
		
		public CutAction() {
			super("����\tCtrl+X");
		}

		/* (non-Javadoc)
		 * @see org.eclipse.jface.action.Action#run()
		 */
		@Override
		public void run() {
			component.cut();
		}
		
	}
	
	private class PasteAction extends Action {

		
		public PasteAction() {
			super("ճ��\tCtrl+V");
		}

		/* (non-Javadoc)
		 * @see org.eclipse.jface.action.Action#run()
		 */
		@Override
		public void run() {
			component.paste();
		}
		
	}
	
	private class DeleteAction extends Action{

		public DeleteAction() {
			super("ɾ��\tDel");
		}

		/* (non-Javadoc)
		 * @see org.eclipse.jface.action.Action#run()
		 */
		@Override
		public void run() {
			component.delete();
		}
		
	}
	
	private class InsertAction extends Action{
		public InsertAction() {
			super("����\tInsert");
		}
		
		@Override
		public void run() {
			component.insert();
		}
	}

}