| /******************************************************************************* |
| * Copyright (c) 2009, 2010 Tasktop Technologies 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: |
| * Tasktop Technologies - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.equinox.internal.p2.ui.discovery; |
| |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jface.resource.ImageRegistry; |
| import org.eclipse.swt.graphics.Image; |
| |
| /** |
| * @author David Green |
| * @author Steffen Pingel |
| */ |
| public class DiscoveryImages { |
| |
| private static final String T_OVR_32 = "ovr32"; //$NON-NLS-1$ |
| |
| private static final String T_OBJ_16 = "obj16"; //$NON-NLS-1$ |
| |
| private static final String T_WIZBAN = "wizban"; //$NON-NLS-1$ |
| |
| private static final String T_TOOL = "etool16"; //$NON-NLS-1$ |
| |
| private static final URL baseURL = Platform.getBundle(DiscoveryUi.ID_PLUGIN).getEntry("/icons/"); //$NON-NLS-1$ |
| |
| /** |
| * image descriptor for a warning overlay suitable for use with 32x32 images. |
| */ |
| public static final ImageDescriptor OVERLAY_WARNING_32 = create(T_OVR_32, "message_warning.png"); //$NON-NLS-1$ |
| |
| public static final ImageDescriptor BANNER_DISOVERY = create(T_WIZBAN, "banner-discovery.png"); //$NON-NLS-1$ |
| |
| public static final ImageDescriptor IU_AVAILABLE = create(T_OBJ_16, "iu_disabled_obj.png"); //$NON-NLS-1$ |
| |
| public static final ImageDescriptor IU_INSTALLED = create(T_OBJ_16, "iu_obj.png"); //$NON-NLS-1$ |
| |
| public static final ImageDescriptor IU_UPDATABLE = create(T_OBJ_16, "iu_update_obj.png"); //$NON-NLS-1$ |
| |
| public static final ImageDescriptor MESSAGE_INFO = create(T_OBJ_16, "message_info.png"); //$NON-NLS-1$ |
| |
| public static final ImageDescriptor FIND_CLEAR = create(T_TOOL, "find-clear.gif"); //$NON-NLS-1$ |
| |
| public static final ImageDescriptor FIND_CLEAR_DISABLED = create(T_TOOL, "find-clear-disabled.gif"); //$NON-NLS-1$ |
| |
| private static ImageRegistry imageRegistry; |
| |
| private static ImageDescriptor create(String prefix, String name) { |
| try { |
| return ImageDescriptor.createFromURL(makeIconFileURL(prefix, name)); |
| } catch (MalformedURLException e) { |
| return ImageDescriptor.getMissingImageDescriptor(); |
| } |
| } |
| |
| private static URL makeIconFileURL(String prefix, String name) throws MalformedURLException { |
| if (baseURL == null) { |
| throw new MalformedURLException(); |
| } |
| |
| StringBuilder buffer = new StringBuilder(prefix); |
| buffer.append('/'); |
| buffer.append(name); |
| return new URL(baseURL, buffer.toString()); |
| } |
| |
| /** |
| * Lazily initializes image map. |
| * |
| * @param imageDescriptor |
| * @return Image |
| */ |
| public static Image getImage(ImageDescriptor imageDescriptor) { |
| ImageRegistry imageRegistry = getImageRegistry(); |
| Image image = imageRegistry.get("" + imageDescriptor.hashCode()); //$NON-NLS-1$ |
| if (image == null) { |
| image = imageDescriptor.createImage(true); |
| imageRegistry.put("" + imageDescriptor.hashCode(), image); //$NON-NLS-1$ |
| } |
| return image; |
| } |
| |
| private static ImageRegistry getImageRegistry() { |
| if (imageRegistry == null) { |
| imageRegistry = new ImageRegistry(); |
| } |
| return imageRegistry; |
| } |
| |
| } |