PhpmdViewContentProvider.java

/*******************************************************************************
 * Copyright (c) 2009, 2010 Dejan Spasic
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *******************************************************************************/

package org.phpsrc.eclipse.pti.tools.phpmd.views;

import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.widgets.Display;
import org.phpsrc.eclipse.pti.tools.phpmd.model.IViolationManagerListener;
import org.phpsrc.eclipse.pti.tools.phpmd.model.ViolationManager;
import org.phpsrc.eclipse.pti.tools.phpmd.model.ViolationManagerEvent;

public class PhpmdViewContentProvider implements IStructuredContentProvider, IViolationManagerListener {
	private ViolationManager manager;
	private TableViewer viewer;

	public Object[] getElements(Object inputElement) {
		return manager.getViolations();
	}

	public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
		this.viewer = (TableViewer) viewer;
		if (null != manager)
			manager.removeViolationManagerListener(this);
		manager = (ViolationManager) newInput;
		if (null != manager)
			manager.addViolationManagerListener(this);
	}

	public void violationsChanged(final ViolationManagerEvent event) {
		Display.getDefault().syncExec(new Runnable() {
			public void run() {
				viewer.getTable().setRedraw(false);
				try {
					viewer.remove(event.getRemovedViolations());
					viewer.add(event.getAddedViolations());
				} finally {
					viewer.getTable().setRedraw(true);
				}
			}
		});
	}

	public void dispose() {
	}
}