bundles/org.eclipse.wst.xsl.debug.ui/src/org/eclipse/wst/xsl/internal/debug/ui/XSLDebugUIPlugin.java

package org.eclipse.wst.xsl.internal.debug.ui;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.preference.IPreferenceNode;
import org.eclipse.jface.preference.IPreferencePage;
import org.eclipse.jface.preference.PreferenceDialog;
import org.eclipse.jface.preference.PreferenceManager;
import org.eclipse.jface.preference.PreferenceNode;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.custom.BusyIndicator;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;

/**
 * The activator class controls the plug-in life cycle
 */
public class XSLDebugUIPlugin extends AbstractUIPlugin
{

	// The plug-in ID
	public static final String PLUGIN_ID = "org.eclipse.wst.xsl.debug.ui";

	// The shared instance
	private static XSLDebugUIPlugin plugin;

	public XSLDebugUIPlugin()
	{
		plugin = this;
	}

	@Override
	public void start(BundleContext context) throws Exception
	{
		super.start(context);
	}

	@Override
	public void stop(BundleContext context) throws Exception
	{
		plugin = null;
		super.stop(context);
	}

	public static XSLDebugUIPlugin getDefault()
	{
		return plugin;
	}

	public static ImageDescriptor getImageDescriptor(String path)
	{
		return imageDescriptorFromPlugin(PLUGIN_ID, path);
	}

	public static void showPreferencePage(String id, IPreferencePage page)
	{
		final IPreferenceNode targetNode = new PreferenceNode(id, page);

		PreferenceManager manager = new PreferenceManager();
		manager.addToRoot(targetNode);
		final PreferenceDialog dialog = new PreferenceDialog(XSLDebugUIPlugin.getActiveWorkbenchShell(), manager);
		final boolean[] result = new boolean[]
		{ false };
		BusyIndicator.showWhile(XSLDebugUIPlugin.getStandardDisplay(), new Runnable()
		{
			public void run()
			{
				dialog.create();
				dialog.setMessage(targetNode.getLabelText());
				result[0] = (dialog.open() == Window.OK);
			}
		});
	}

	public static Display getStandardDisplay()
	{
		Display display;
		display = Display.getCurrent();
		if (display == null)
			display = Display.getDefault();
		return display;
	}

	public static IWorkbenchWindow getActiveWorkbenchWindow()
	{
		return getDefault().getWorkbench().getActiveWorkbenchWindow();
	}

	public static Shell getActiveWorkbenchShell()
	{
		IWorkbenchWindow window = getActiveWorkbenchWindow();
		if (window != null)
		{
			return window.getShell();
		}
		return null;
	}

	public static IWorkbenchPage getActivePage()
	{
		IWorkbenchWindow w = getActiveWorkbenchWindow();
		if (w != null)
		{
			return w.getActivePage();
		}
		return null;
	}

	public static void log(Exception e)
	{
		getDefault().getLog().log(new Status(IStatus.ERROR, PLUGIN_ID, 0, "", e));
	}

	public static void log(CoreException e)
	{
		getDefault().getLog().log(e.getStatus());
	}
}