/*******************************************************************************
* 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tm.te.ui.terminals.activator;
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;
import org.eclipse.tm.te.runtime.preferences.ScopedEclipsePreferences;
import org.eclipse.tm.te.runtime.tracing.TraceHandler;
import org.eclipse.tm.te.ui.terminals.interfaces.ImageConsts;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.Bundle;
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;
private static ScopedEclipsePreferences scopedPreferences = null;
// The trace handler instance
private static TraceHandler traceHandler;
/**
* 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;
}
/**
* Return the scoped preferences for this plugin.
*/
public static ScopedEclipsePreferences getScopedPreferences() {
if (scopedPreferences == null) {
scopedPreferences = new ScopedEclipsePreferences(getUniqueIdentifier());
}
return scopedPreferences;
}
/**
* Returns the bundles trace handler.
*
* @return The bundles trace handler.
*/
public static TraceHandler getTraceHandler() {
if (traceHandler == null) {
traceHandler = new TraceHandler(getUniqueIdentifier());
}
return traceHandler;
}
/* (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;
scopedPreferences = null;
traceHandler = null;
super.stop(context);
}
/* (non-Javadoc)
* @see org.eclipse.ui.plugin.AbstractUIPlugin#initializeImageRegistry(org.eclipse.jface.resource.ImageRegistry)
*/
@Override
protected void initializeImageRegistry(ImageRegistry registry) {
Bundle bundle = Platform.getBundle("org.eclipse.ui.console"); //$NON-NLS-1$
if (bundle != null) {
URL url = bundle.getEntry(ImageConsts.IMAGE_DIR_ROOT + "full/" + ImageConsts.IMAGE_DIR_EVIEW + "console_view.gif"); //$NON-NLS-1$ //$NON-NLS-2$
registry.put(ImageConsts.VIEW_Terminals, ImageDescriptor.createFromURL(url));
url = bundle.getEntry(ImageConsts.IMAGE_DIR_ROOT + "full/" + ImageConsts.IMAGE_DIR_CLCL + "lock_co.gif"); //$NON-NLS-1$ //$NON-NLS-2$
registry.put(ImageConsts.ACTION_ScrollLock_Hover, ImageDescriptor.createFromURL(url));
url = bundle.getEntry(ImageConsts.IMAGE_DIR_ROOT + "full/" + ImageConsts.IMAGE_DIR_ELCL + "lock_co.gif"); //$NON-NLS-1$ //$NON-NLS-2$
registry.put(ImageConsts.ACTION_ScrollLock_Enabled, ImageDescriptor.createFromURL(url));
url = bundle.getEntry(ImageConsts.IMAGE_DIR_ROOT + "full/" + ImageConsts.IMAGE_DIR_DLCL + "lock_co.gif"); //$NON-NLS-1$ //$NON-NLS-2$
registry.put(ImageConsts.ACTION_ScrollLock_Disabled, ImageDescriptor.createFromURL(url));
}
}
/**
* 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);
}
}