com.aptana.editor.php.internal.ui.preferences.LibraryLabelProvider.java Source code

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Here is the source code for com.aptana.editor.php.internal.ui.preferences.LibraryLabelProvider.java

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/**
 * Aptana Studio
 * Copyright (c) 2005-2011 by Appcelerator, Inc. All Rights Reserved.
 * Licensed under the terms of the GNU Public License (GPL) v3 (with exceptions).
 * Please see the license.html included with this distribution for details.
 * Any modifications to this file must keep this entire header intact.
 */
package com.aptana.editor.php.internal.ui.preferences;

import java.io.IOException;
import java.net.URL;
import java.util.Map;

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

import com.aptana.core.logging.IdeLog;
import com.aptana.editor.php.PHPEditorPlugin;
import com.aptana.editor.php.epl.PHPEplPlugin;
import com.aptana.editor.php.internal.builder.IPHPLibrary;
import com.aptana.editor.php.internal.builder.PHPLibrary;

/**
 * @author Pavel Petrochenko
 */
public final class LibraryLabelProvider extends LabelProvider {

    static Image uLibraryImage = AbstractUIPlugin
            .imageDescriptorFromPlugin(PHPEplPlugin.PLUGIN_ID, "/icons/full/obj16/library_obj.gif").createImage(); //$NON-NLS-1$

    private final Map<URL, Image> images;

    public LibraryLabelProvider(Map<URL, Image> images) {
        this.images = images;
    }

    /**
     * Returns an {@link Image}.<br>
     * The returned library image can be grabbed from an icon attributes that was set on the library extension.
     */
    public Image getImage(Object element) {
        if (element instanceof PHPLibrary) {
            PHPLibrary lib = (PHPLibrary) element;
            URL icon = lib.getIcon();
            if (icon != null) {
                Image toRet = images.get(icon);
                if (toRet != null) {
                    return toRet;
                }
                try {
                    Image image = new Image(Display.getCurrent(), icon.openStream());
                    images.put(icon, image);
                    return image;
                } catch (IOException e) {
                    IdeLog.logError(PHPEditorPlugin.getDefault(),
                            "PHP library label provider - error getting a library image", e); //$NON-NLS-1$
                    return null;
                }
            }
        }
        return uLibraryImage;
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.jface.viewers.BaseLabelProvider#dispose()
     */
    @Override
    public void dispose() {
        if (images != null) {
            for (Image image : images.values()) {
                image.dispose();
            }
        }
    }

    public String getText(Object element) {
        IPHPLibrary lib = (IPHPLibrary) element;
        String name = lib.getName();

        return name;
    }
}