clearlabelfilteraction.java

基于Eclipse RCP开发的管理工具

 /*  
  * Copyright 2006 Marcel Schoffelmeer 
  * 
  * Licensed under the Apache License, Version 2.0 (the "License"); 
  * you may not use this file except in compliance with the License. 
  * You may obtain a copy of the License at 
  * 
  *    http://www.apache.org/licenses/LICENSE-2.0 
  *    
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS, 
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

package com.s10r.manager.actions;

import org.eclipse.jface.action.Action;
import org.eclipse.ui.IPartListener;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.actions.ActionFactory.IWorkbenchAction;

import com.s10r.manager.EntryEditor;
import com.s10r.manager.dialogs.FilePropertiesDialog;

// TODO: should this action also be listening for 
// parts or should this just be a popup action:
// in which case the action can be associated with the editor?

public class ClearLabelFilterAction extends Action implements IWorkbenchAction, IPartListener
{
	public final static String ID = "manager_rcp.filePropertiesAction";

	private IWorkbenchWindow window;

	private EntryEditor activeEditor;

	/**
	 * OpenAction constructor
	 */
	public ClearLabelFilterAction(IWorkbenchWindow window)
	{
		this.window = window;

		setText("Properties...");
		setToolTipText("Properties...");
		setId("you want and ID again?");
		
		window.getPartService().addPartListener(this);
	}

	/**
	 * Opens an existing file
	 */
	public void run()
	{
		// TODO this action needs to know what editor is currently active!
		
		// IWorkbenchPart activePart = window.getWorkbench().getActiveWorkbenchWindow().getPartService().getActivePart();
		// System.out.println("   activePart = " + activePart);
		
		if (activeEditor == null)
		{
			return;
		}
		
		FilePropertiesDialog dialog = new FilePropertiesDialog(window.getShell(), 
				activeEditor);
		dialog.open();
	}

	public void dispose()
	{
		window.getPartService().removePartListener(this);
	}

	public void partActivated(IWorkbenchPart part)
	{
		if (part instanceof EntryEditor)
		{					
			activeEditor = (EntryEditor)part;
			if (activeEditor.getEntryEditorInput().isUntitled())
			{
				// cannot show file properties of a file that hasn't
				// be saved yet
				// (note: even in Eclispe 3.3M2 an error occurs when
				// showing properties for an untitled file!)
				this.setEnabled(false);
			}
			else
			{
				this.setEnabled(true);
			}
		}
		else
		{
			this.setEnabled(false);
		}
	}

	public void partBroughtToTop(IWorkbenchPart part)
	{
	}

	public void partClosed(IWorkbenchPart part)
	{
	}

	public void partDeactivated(IWorkbenchPart part)
	{
	}

	public void partOpened(IWorkbenchPart part)
	{
	}
}