package org.keplerproject.ldt.debug.ui;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;
/**
* The activator class controls the plug-in life cycle
*/
public class LuaDebugUIPlugin extends AbstractUIPlugin {
// The plug-in ID
public static final String PLUGIN_ID = "org.keplerproject.ldt.debug.ui";
// The shared instance
private static LuaDebugUIPlugin plugin;
/**
* The constructor
*/
public LuaDebugUIPlugin() {
}
/*
* (non-Javadoc)
* @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
*/
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)
*/
public void stop(BundleContext context) throws Exception {
plugin = null;
super.stop(context);
}
/**
* Returns the shared instance
*
* @return the shared instance
*/
public static LuaDebugUIPlugin getDefault() {
return plugin;
}
/**
* Returns an image descriptor for the image file at the given
* plug-in relative path
*
* @param path the path
* @return the image descriptor
*/
public static ImageDescriptor getImageDescriptor(String path) {
return imageDescriptorFromPlugin(PLUGIN_ID, path);
}
/**
* Returns the currently active workbench window shell or <code>null</code>
* if none.
*
* @return the currently active workbench window shell or <code>null</code>
*/
public static Shell getShell() {
IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
if (window == null) {
IWorkbenchWindow[] windows = PlatformUI.getWorkbench().getWorkbenchWindows();
if (windows.length > 0) {
return windows[0].getShell();
}
}
else {
return window.getShell();
}
return null;
}
}