diff options
Diffstat (limited to 'target_explorer/plugins/org.eclipse.tm.te.tcf.filesystem/src/org/eclipse/tm/te/tcf/filesystem/activator/UIPlugin.java')
-rw-r--r-- | target_explorer/plugins/org.eclipse.tm.te.tcf.filesystem/src/org/eclipse/tm/te/tcf/filesystem/activator/UIPlugin.java | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/target_explorer/plugins/org.eclipse.tm.te.tcf.filesystem/src/org/eclipse/tm/te/tcf/filesystem/activator/UIPlugin.java b/target_explorer/plugins/org.eclipse.tm.te.tcf.filesystem/src/org/eclipse/tm/te/tcf/filesystem/activator/UIPlugin.java new file mode 100644 index 000000000..d62ab5ff2 --- /dev/null +++ b/target_explorer/plugins/org.eclipse.tm.te.tcf.filesystem/src/org/eclipse/tm/te/tcf/filesystem/activator/UIPlugin.java @@ -0,0 +1,124 @@ +/******************************************************************************* + * Copyright (c) 2011 Wind River Systems, Inc. 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: + * Uwe Stieber (Wind River) - initial API and implementation + *******************************************************************************/ +package org.eclipse.tm.te.tcf.filesystem.activator; + +import org.eclipse.jface.resource.ImageDescriptor; +import org.eclipse.jface.resource.ImageRegistry; +import org.eclipse.swt.graphics.Image; +import org.eclipse.tm.te.tcf.filesystem.internal.registries.InternalImageRegistry; +import org.eclipse.tm.te.ui.images.AbstractImageDescriptor; +import org.eclipse.tm.te.ui.images.AbstractImageRegistry; +import org.eclipse.ui.plugin.AbstractUIPlugin; +import org.osgi.framework.BundleContext; + + +/** + * The activator class controls the plug-in life cycle + */ +public class UIPlugin extends AbstractUIPlugin { + // The shared instance + private static UIPlugin plugin; + + /** + * The constructor + */ + public UIPlugin() { + } + + /** + * Returns the shared instance + * + * @return the shared instance + */ + public static UIPlugin getDefault() { + return plugin; + } + + /** + * Convenience method which returns the unique identifier of this plugin. + */ + public static String getUniqueIdentifier() { + if (getDefault() != null && getDefault().getBundle() != null) { + return getDefault().getBundle().getSymbolicName(); + } + return null; + } + + /* (non-Javadoc) + * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext) + */ + @Override + public void start(BundleContext context) throws Exception { + super.start(context); + plugin = this; + } + + /* (non-Javadoc) + * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext) + */ + @Override + public void stop(BundleContext context) throws Exception { + plugin = null; + super.stop(context); + } + + /* (non-Javadoc) + * @see org.eclipse.ui.plugin.AbstractUIPlugin#initializeImageRegistry(org.eclipse.jface.resource.ImageRegistry) + */ + @Override + protected void initializeImageRegistry(ImageRegistry registry) { + if (registry instanceof InternalImageRegistry) { + ((InternalImageRegistry)registry).initialize(); + } + } + + /* (non-Javadoc) + * @see org.eclipse.ui.plugin.AbstractUIPlugin#createImageRegistry() + */ + @Override + protected ImageRegistry createImageRegistry() { + return new InternalImageRegistry(this); + } + + /** + * Loads the image registered under the specified key from the image + * registry and returns the <code>Image</code> object instance. + * + * @param key The key the image is registered with. + * @return The <code>Image</code> object instance or <code>null</code>. + */ + public static Image getImage(String key) { + return getDefault().getImageRegistry().get(key); + } + + /** + * Loads the image registered under the specified key from the image + * registry and returns the <code>ImageDescriptor</code> object instance. + * + * @param key The key the image is registered with. + * @return The <code>ImageDescriptor</code> object instance or <code>null</code>. + */ + public static ImageDescriptor getImageDescriptor(String key) { + return getDefault().getImageRegistry().getDescriptor(key); + } + + /** + * Loads the image given by the specified image descriptor from the image + * registry. If the image has been loaded ones before already, the cached + * <code>Image</code> object instance is returned. Otherwise, the <code> + * Image</code> object instance will be created and cached before returned. + * + * @param descriptor The image descriptor. + * @return The corresponding <code>Image</code> object instance or <code>null</code>. + */ + public static Image getSharedImage(AbstractImageDescriptor descriptor) { + return ((AbstractImageRegistry)getDefault().getImageRegistry()).getSharedImage(descriptor); + } +} |