bundles/org.eclipse.ui.navigator/src-navigator/org/eclipse/ui/navigator/internal/filters/CommonFilterLabelProvider.java

/***************************************************************************************************
 * Copyright (c) 2003, 2004 IBM Corporation and others. 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
 * 
 * Contributors: IBM Corporation - initial API and implementation
 **************************************************************************************************/

package org.eclipse.ui.navigator.internal.filters;

import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.navigator.internal.extensions.NavigatorContentDescriptor;
import org.eclipse.ui.navigator.internal.extensions.NavigatorContentDescriptorRegistry;

public class CommonFilterLabelProvider implements ITableLabelProvider, ILabelProvider {

	private static final NavigatorContentDescriptorRegistry CONTENT_DESCRIPTOR_REGISTRY = NavigatorContentDescriptorRegistry.getInstance();

	public CommonFilterLabelProvider() {
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.viewers.ILabelProvider#getImage(java.lang.Object)
	 */
	public Image getImage(Object element) {
		if (element instanceof NavigatorContentDescriptor)
			return CONTENT_DESCRIPTOR_REGISTRY.getImage(((NavigatorContentDescriptor) element).getId());
		return null;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.viewers.ILabelProvider#getText(java.lang.Object)
	 */
	public String getText(Object element) {
		if (element instanceof NavigatorContentDescriptor)
			return ((NavigatorContentDescriptor) element).getName();
		else if (element instanceof ExtensionFilterDescriptor)
			return ((ExtensionFilterDescriptor) element).getName();
		return null;
	}

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

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.viewers.IBaseLabelProvider#dispose()
	 */
	public void dispose() {

	}

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

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

	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnImage(java.lang.Object, int)
	 */
	public Image getColumnImage(Object element, int columnIndex) {
		switch (columnIndex) {
			case 0 :
				return getImage(element);

		}
		return null;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnText(java.lang.Object, int)
	 */
	public String getColumnText(Object element, int columnIndex) {
		switch (columnIndex) {
			case 0 :
				return getText(element);
			case 1 : {
				if (element instanceof ExtensionFilterDescriptor) {
					String d = ((ExtensionFilterDescriptor) element).getDescription();
					return d == null ? "" : d; //$NON-NLS-1$
				}
			}
		}
		return ""; //$NON-NLS-1$
	}

}