mergefileaction.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 java.io.File;


import org.eclipse.jface.action.Action;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.FileDialog;
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;

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

	private IWorkbenchWindow window;

	private EntryEditor activeEditor;

	/**
	 */
	public MergeFileAction(IWorkbenchWindow window)
	{
		this.window = window;

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

	/**
	 * Opens an existing file
	 */
	@Override
	public void run()
	{
		FileDialog dialog = new FileDialog(window.getShell(), SWT.OPEN);

		dialog.setFilterNames(new String[] { "Manager Files", "All Files" });
		dialog.setFilterExtensions(new String[] { "*.mgr", "*.*" }); //$NON-NLS-1$ //$NON-NLS-2$

		String fileName = dialog.open();
		if (fileName == null)
		{
			return;
		}
		
		File inFile = new File(fileName);
		
		activeEditor.merge(inFile);

	}

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


	public void partActivated(IWorkbenchPart part)
	{
		if (part instanceof EntryEditor)
		{					
			activeEditor = (EntryEditor)part;
			this.setEnabled(true);
		}
		else
		{
			this.setEnabled(false);
		}
	}

	public void partBroughtToTop(IWorkbenchPart part)
	{		
	}

	public void partClosed(IWorkbenchPart part)
	{
		// TODO: apply same logic to file properties
		if (part == activeEditor)
		{
			System.out.println("MergeFileAction: editor closed: disabling...");
			this.setEnabled(false);
		}
	}

	public void partDeactivated(IWorkbenchPart part)
	{
	}

	public void partOpened(IWorkbenchPart part)
	{
	}

}