| /******************************************************************************* |
| * Copyright (c) 2006, 2010 Soyatec (http://www.soyatec.com) 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: |
| * Soyatec - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.xwt.ui.utils; |
| |
| import java.net.URL; |
| |
| import org.eclipse.core.runtime.FileLocator; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jface.resource.JFaceResources; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.xwt.ui.XWTUIPlugin; |
| import org.osgi.framework.Bundle; |
| |
| public class ImageManager { |
| |
| public static final IPath ICONS_PATH = new Path("/icons/full"); //$NON-NLS-1$ |
| |
| private static final String NAME_PREFIX = XWTUIPlugin.getDefault().getBundle().getSymbolicName() + "."; |
| private static final int NAME_PREFIX_LENGTH = NAME_PREFIX.length(); |
| |
| private static final String T_OBJ = "obj16"; //$NON-NLS-1$ |
| private static final String T_OVR = "ovr16"; //$NON-NLS-1$ |
| private static final String T_WIZBAN = "wizban"; //$NON-NLS-1$ |
| private static final String T_ELCL = "elcl16"; //$NON-NLS-1$ |
| private static final String T_DLCL = "dlcl16"; //$NON-NLS-1$ |
| private static final String T_ETOOL = "etool16"; //$NON-NLS-1$ |
| private static final String T_EVIEW = "eview16"; //$NON-NLS-1$ |
| |
| /* |
| * Keys for images available from the Java-UI plug-in image registry. |
| */ |
| public static final String IMG_ELEMENT = NAME_PREFIX + "Element.png"; //$NON-NLS-1$ |
| public static final String IMG_EVENT = NAME_PREFIX + "Event.png"; //$NON-NLS-1$ |
| public static final String IMG_RESOURCES = NAME_PREFIX + "Resources.gif"; //$NON-NLS-1$ |
| public static final String IMG_TRIGGER = NAME_PREFIX + "Trigger.gif"; //$NON-NLS-1$ |
| public static final String IMG_PREVIEW = NAME_PREFIX + "Preview.png"; //$NON-NLS-1$ |
| public static final String IMG_TABLE = NAME_PREFIX + "Table.gif"; //$NON-NLS-1$ |
| |
| /* |
| * Set of predefined Image Descriptors. |
| */ |
| public static final ImageDescriptor OBJ_ELEMENT = createManagedFromKey(T_OBJ, IMG_ELEMENT); //$NON-NLS-1$ |
| public static final ImageDescriptor OBJ_EVENT = createManagedFromKey(T_OBJ, IMG_EVENT); //$NON-NLS-1$ |
| public static final ImageDescriptor OBJ_RESOURCES = createManagedFromKey(T_OBJ, IMG_RESOURCES); //$NON-NLS-1$ |
| public static final ImageDescriptor OBJ_TRIGGER = createManagedFromKey(T_OBJ, IMG_TRIGGER); //$NON-NLS-1$ |
| public static final ImageDescriptor OBJ_PREVIEW = createManagedFromKey(T_OBJ, IMG_PREVIEW); //$NON-NLS-1$ |
| public static final ImageDescriptor OBJ_TABLE = createManagedFromKey(T_OBJ, IMG_TABLE); //$NON-NLS-1$ |
| |
| private static ImageDescriptor createManagedFromKey(String prefix, String key) { |
| return createManaged(prefix, key.substring(NAME_PREFIX_LENGTH), key); |
| } |
| |
| private static ImageDescriptor createManaged(String prefix, String name, String key) { |
| ImageDescriptor result = create(prefix, name, true); |
| JFaceResources.getImageRegistry().put(key, result); |
| return result; |
| } |
| |
| /* |
| * Creates an image descriptor for the given path in a bundle. The path can contain variables like $NL$. If no image could be found, <code>useMissingImageDescriptor</code> decides if either the 'missing image descriptor' is returned or <code>null</code>. Added for 3.1.1. |
| */ |
| public static ImageDescriptor createImageDescriptor(Bundle bundle, IPath path, boolean useMissingImageDescriptor) { |
| URL url = FileLocator.find(bundle, path, null); |
| if (url != null) { |
| return ImageDescriptor.createFromURL(url); |
| } |
| if (useMissingImageDescriptor) { |
| return ImageDescriptor.getMissingImageDescriptor(); |
| } |
| return null; |
| } |
| |
| /* |
| * Creates an image descriptor for the given prefix and name in the JDT UI bundle. The path can contain variables like $NL$. If no image could be found, <code>useMissingImageDescriptor</code> decides if either the 'missing image descriptor' is returned or <code>null</code>. or <code>null</code>. |
| */ |
| private static ImageDescriptor create(String prefix, String name, boolean useMissingImageDescriptor) { |
| IPath path = ICONS_PATH.append(prefix).append(name); |
| return createImageDescriptor(XWTUIPlugin.getDefault().getBundle(), path, useMissingImageDescriptor); |
| } |
| |
| /* |
| * Creates an image descriptor for the given prefix and name in the JDT UI bundle. The path can contain variables like $NL$. If no image could be found, the 'missing image descriptor' is returned. |
| */ |
| private static ImageDescriptor createUnManaged(String prefix, String name) { |
| return create(prefix, name, true); |
| } |
| |
| /** |
| * Returns the image managed under the given key in this registry. |
| * |
| * @param key |
| * the image's key |
| * @return the image managed under the given key |
| */ |
| public static Image get(String key) { |
| return JFaceResources.getImageRegistry().get(key); |
| } |
| |
| public static Image getImage(ImageDescriptor imageDescriptor) { |
| return (Image) JFaceResources.getResources().get(imageDescriptor); |
| } |
| } |