core/plugins/org.eclipse.dltk.ui/src/org/eclipse/dltk/internal/ui/workingsets/EditorTracker.java

/*******************************************************************************
 * Copyright (c) 2000, 2017 IBM Corporation and others.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 * 
 * SPDX-License-Identifier: EPL-2.0
 *
 *******************************************************************************/
package org.eclipse.dltk.internal.ui.workingsets;

import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IPageListener;
import org.eclipse.ui.IPartListener;
import org.eclipse.ui.IWindowListener;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;


public abstract class EditorTracker implements IWindowListener, IPageListener, IPartListener {

	//--- Window listener

	@Override
	public void windowActivated(IWorkbenchWindow window) {
	}

	@Override
	public void windowDeactivated(IWorkbenchWindow window) {
	}

	@Override
	public void windowClosed(IWorkbenchWindow window) {
		window.removePageListener(this);
	}

	@Override
	public void windowOpened(IWorkbenchWindow window) {
		window.addPageListener(this);
	}

	//---- IPageListener

	@Override
	public void pageActivated(IWorkbenchPage page) {
	}

	@Override
	public void pageClosed(IWorkbenchPage page) {
		page.removePartListener(this);
	}

	@Override
	public void pageOpened(IWorkbenchPage page) {
		page.addPartListener(this);
	}

	//---- Part Listener

	@Override
	public void partActivated(IWorkbenchPart part) {
	}

	@Override
	public void partBroughtToTop(IWorkbenchPart part) {
	}

	@Override
	public void partClosed(IWorkbenchPart part) {
		if (part instanceof IEditorPart) {
			editorClosed((IEditorPart)part);
		}
	}

	@Override
	public void partDeactivated(IWorkbenchPart part) {
	}

	@Override
	public void partOpened(IWorkbenchPart part) {
		if (part instanceof IEditorPart) {
			editorOpened((IEditorPart)part);
		}
	}

	public abstract void editorOpened(IEditorPart part);

	public abstract void editorClosed(IEditorPart part);

}