bndtools.editor.components.ServiceComponentLabelProvider.java Source code

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Here is the source code for bndtools.editor.components.ServiceComponentLabelProvider.java

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/*******************************************************************************
 * Copyright (c) 2010 Neil Bartlett.
 * 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:
 *     Neil Bartlett - initial API and implementation
 *******************************************************************************/
package bndtools.editor.components;

import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.plugin.AbstractUIPlugin;

import bndtools.Plugin;
import bndtools.model.clauses.ServiceComponent;

public class ServiceComponentLabelProvider extends LabelProvider {

    private Image classImg = AbstractUIPlugin.imageDescriptorFromPlugin(Plugin.PLUGIN_ID, "/icons/class_obj.gif")
            .createImage();
    private Image pkgImg = AbstractUIPlugin.imageDescriptorFromPlugin(Plugin.PLUGIN_ID, "/icons/package_obj.gif")
            .createImage();
    private Image xmlImg = AbstractUIPlugin.imageDescriptorFromPlugin(Plugin.PLUGIN_ID, "/icons/xml_file_obj.gif")
            .createImage();

    @Override
    public String getText(Object element) {
        return toPattern(element);
    }

    @Override
    public Image getImage(Object element) {
        Image result = null;
        String pattern;

        pattern = toPattern(element);

        if (pattern.indexOf('/') >= 0 || pattern.endsWith(".xml")) {
            result = xmlImg;
        } else if (pattern.endsWith(".*")) {
            result = pkgImg;
        } else {
            result = classImg;
        }

        return result;
    }

    protected static String toPattern(Object element) {
        String pattern;
        if (element instanceof String) {
            pattern = (String) element;
        } else if (element instanceof ServiceComponent) {
            ServiceComponent component = (ServiceComponent) element;
            pattern = component.getName();
        } else {
            pattern = "<<error>>";
        }
        return pattern;
    }

    @Override
    public void dispose() {
        super.dispose();
        classImg.dispose();
        pkgImg.dispose();
        xmlImg.dispose();
    }
}