AptanaExtraDecorator.java

/**
 * This file Copyright (c) 2005-2008 Aptana, Inc. This program is
 * dual-licensed under both the Aptana Public License and the GNU General
 * Public license. You may elect to use one or the other of these licenses.
 * 
 * This program is distributed in the hope that it will be useful, but
 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
 * NONINFRINGEMENT. Redistribution, except as permitted by whichever of
 * the GPL or APL you select, is prohibited.
 *
 * 1. For the GPL license (GPL), you can redistribute and/or modify this
 * program under the terms of the GNU General Public License,
 * Version 3, as published by the Free Software Foundation.  You should
 * have received a copy of the GNU General Public License, Version 3 along
 * with this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 * 
 * Aptana provides a special exception to allow redistribution of this file
 * with certain other free and open source software ("FOSS") code and certain additional terms
 * pursuant to Section 7 of the GPL. You may view the exception and these
 * terms on the web at http://www.aptana.com/legal/gpl/.
 * 
 * 2. For the Aptana Public License (APL), this program and the
 * accompanying materials are made available under the terms of the APL
 * v1.0 which accompanies this distribution, and is available at
 * http://www.aptana.com/legal/apl/.
 * 
 * You may view the GPL, Aptana's exception and additional terms, and the
 * APL in the file titled license.html at the root of the corresponding
 * plugin containing this source file.
 * 
 * Any modifications to this file must keep this entire header intact.
 */
package com.aptana.ide.search;

import java.text.MessageFormat;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.jface.viewers.ILabelDecorator;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.search.internal.ui.SearchMessages;
import org.eclipse.swt.graphics.Image;


/**
 * adds annotation with match count to folders.
 */
final class AptanaExtraDecorator implements ILabelDecorator
{
	/**
	 * owner
	 */
	private final AptanaFileSearchPage aptanaFileSearchPage;

	/**
	 * @param aptanaFileSearchPage
	 */
	AptanaExtraDecorator(AptanaFileSearchPage aptanaFileSearchPage)
	{
		this.aptanaFileSearchPage = aptanaFileSearchPage;
	}

	/**
	 * @see org.eclipse.jface.viewers.ILabelDecorator#decorateImage(org.eclipse.swt.graphics.Image, java.lang.Object)
	 */
	public Image decorateImage(Image image, Object element)
	{
		return null;
	}

	/**
	 * decorates folder text by adding count of total matches to it 
	 * @see org.eclipse.jface.viewers.ILabelDecorator#decorateText(java.lang.String, java.lang.Object)
	 */
	public String decorateText(String text, Object element)
	{
		if (this.aptanaFileSearchPage.turnOff)
		{
			return text;
		}
		if (element instanceof IResource)
		{
			if (!(element instanceof IFile))
			{
				IResource rs = (IResource) element;
				int matches = this.count(rs);
				String format = SearchMessages.FileLabelProvider_count_format;
				String result = MessageFormat.format(format, new Object[] { text, new Integer(matches) });
				return result;
			}
		}
		return text;
	}

	private int count(IResource rs)
	{

		Object[] children = this.aptanaFileSearchPage.provider.getChildren(rs);
		int matches = 0;
		for (int a = 0; a < children.length; a++)
		{
			Object object = children[a];
			if (object instanceof IFile)
			{
				matches += this.aptanaFileSearchPage.getInput().getMatchCount(object);
			}
			else
			{
				matches += this.count((IResource) object);
			}
		}
		return matches;
	}

	/**
	 * @see org.eclipse.jface.viewers.IBaseLabelProvider#addListener(org.eclipse.jface.viewers.ILabelProviderListener)
	 */
	public void addListener(ILabelProviderListener listener)
	{

	}

	/**
	 * @see org.eclipse.jface.viewers.IBaseLabelProvider#addListener(org.eclipse.jface.viewers.ILabelProviderListener)
	 */
	public void dispose()
	{

	}

	/**
	 * @see org.eclipse.jface.viewers.IBaseLabelProvider#isLabelProperty(java.lang.Object, java.lang.String)
	 */
	public boolean isLabelProperty(Object element, String property)
	{
		return false;
	}

	/**
	 * @see org.eclipse.jface.viewers.IBaseLabelProvider#removeListener(org.eclipse.jface.viewers.ILabelProviderListener)
	 */
	public void removeListener(ILabelProviderListener listener)
	{

	}
}