package org.eclipse.mylar.bugzilla;

import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.mylar.core.MylarPlugin;
import org.eclipse.mylar.tasks.search.BugzillaReferencesProvider;
import org.eclipse.mylar.ui.MylarUiPlugin;
import org.eclipse.ui.IStartup;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;

/**
 * The main plugin class to be used in the desktop.
 */
public class MylarBugzillaPlugin extends AbstractUIPlugin implements IStartup {

    private static BugzillaMylarBridge bridge = null;
    private static BugzillaReferencesProvider referencesProvider = new BugzillaReferencesProvider();
    private BugzillaStructureBridge structureBridge;
    
	private static MylarBugzillaPlugin plugin;

	public MylarBugzillaPlugin() {
		plugin = this;
	}

    public void earlyStartup() {
        final IWorkbench workbench = PlatformUI.getWorkbench();
        workbench.getDisplay().asyncExec(new Runnable() {
            public void run() {
                structureBridge = new BugzillaStructureBridge();
            	
                MylarPlugin.getDefault().addBridge(structureBridge);
                MylarPlugin.getTaskscapeManager().addListener(referencesProvider);
                MylarUiPlugin.getDefault().addAdapter(BugzillaStructureBridge.EXTENSION, new BugzillaUiBridge());
                MylarPlugin.getDefault().getSelectionMonitors().add(new BugzillaEditingMonitor());             
                
                IWorkbenchWindow window = workbench.getActiveWorkbenchWindow();
                if (window != null) {
                    // create a new bridge and initialize it
                    bridge = new BugzillaMylarBridge();
                }
            }
        });
    }
	
	/**
	 * This method is called upon plug-in activation
	 */
	public void start(BundleContext context) throws Exception {
		super.start(context);
	}

	/**
	 * This method is called when the plug-in is stopped
	 */
	public void stop(BundleContext context) throws Exception {
		super.stop(context);
		plugin = null;
	}

	/**
	 * Returns the shared instance.
	 */
	public static MylarBugzillaPlugin 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 AbstractUIPlugin.imageDescriptorFromPlugin("org.eclipse.mylar.bugzilla.bridge", path);
	}
	
    public static BugzillaMylarBridge getBridge() {
        // make sure that the bridge initialized, if not, make a new one
        if (bridge == null) {
            bridge = new BugzillaMylarBridge();
        }
        return bridge;
    }
    
    
    public BugzillaStructureBridge getStructureBridge() {
        return structureBridge;
    }

	public static BugzillaReferencesProvider getReferenceProvider() {
		return referencesProvider;
		
	}
}