package org.eclipse.stem.ui;

/*******************************************************************************
 * Copyright (c) 2006 2008 IBM Corporation 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Status;
import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.jface.resource.ColorRegistry;
import org.eclipse.jface.resource.FontRegistry;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.stem.ui.adapters.color.ColorProviderAdapterFactory;
import org.eclipse.stem.ui.adapters.featuremodifiereditcomposite.ExperimentFeatureModifierEditCompositeFactory;
import org.eclipse.stem.ui.adapters.newmodifierpage.CommonNewModifierPageAdapterFactory;
import org.eclipse.stem.ui.adapters.newmodifierpage.GraphNewModifierPageAdapterFactory;
import org.eclipse.stem.ui.adapters.newmodifierpage.LabelsNewModifierPageAdapterFactory;
import org.eclipse.stem.ui.adapters.newmodifierpage.SequencerNewModifierPageAdapterFactory;
import org.eclipse.stem.ui.adapters.propertystrings.LabelsPropertyStringProviderAdapterFactory;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.WorkbenchException;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;

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

	/**
	 * The symbolic identifier for this plug-in
	 */
	public static final String PLUGIN_ID = "org.eclipse.stem.ui"; //$NON-NLS-1$

	// The shared instance.
	private static Activator plugin;

	// The SWT color registry
	private static ColorRegistry colorRegistry = null;

	// The SWT font registry
	private static FontRegistry fontRegistry = null;

	/**
	 * The constructor.
	 */
	public Activator() {
		super();
		plugin = this;
	}

	/**
	 * This method is called upon plug-in activation
	 * 
	 * @param context
	 * @throws Exception
	 */
	@Override
	public void start(BundleContext context) throws Exception {
		super.start(context);
		new SequencerNewModifierPageAdapterFactory();
		new GraphNewModifierPageAdapterFactory();
		new LabelsNewModifierPageAdapterFactory();
		new ExperimentFeatureModifierEditCompositeFactory();
		new LabelsPropertyStringProviderAdapterFactory();
		new CommonNewModifierPageAdapterFactory();
		
		//Get the extension color providers and add them to the composed factory
		IConfigurationElement[] elements = 
			Platform.getExtensionRegistry().getConfigurationElementsFor("org.eclipse.stem.ui.colorproviders");
		for (IConfigurationElement element : elements) {
			if (!element.isValid()) {
				Activator.logError("Invalid color provider extension", null);
				continue;
			}
			//Get the bundle that extended the extension point
			Bundle bundle = Platform.getBundle(element.getContributor().getName());
			String name = element.getAttribute("name");
			String factory = element.getAttribute("factory");
			String provider = element.getAttribute("provider");
			//Use the bundle's class loader to load the classes
			Class factoryClass = bundle.loadClass(factory);
			Object factoryInstance = factoryClass.newInstance();
			Class providerClass = bundle.loadClass(provider);
			//Register the specific factory in the general factory
			ColorProviderAdapterFactory.INSTANCE.addAdapterFactory(
					(AdapterFactory)factoryInstance, providerClass, name);
		}
	} // start

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

	/**
	 * Returns the shared instance.
	 * 
	 * @return the shared instance.
	 */
	public static Activator getDefault() {
		return plugin;
	}

	/**
	 * Returns the color registry
	 * 
	 * @return a reference to the color registry
	 */
	public ColorRegistry getColorRegistry() {
		if (colorRegistry == null) {
			colorRegistry = new ColorRegistry();
			initializeColorRegistry(colorRegistry);
		}
		return colorRegistry;
	} // getColorRegistry

	/**
	 * Returns the font registry
	 * 
	 * @return a reference to the font registry
	 */
	public FontRegistry getFontRegistry() {
		if (fontRegistry == null) {
			fontRegistry = new FontRegistry();
			initializeFontRegistry(fontRegistry);
		}
		return fontRegistry;
	} // getColorRegistry

	/**
	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#initializeImageRegistry(org.eclipse.jface.resource.ImageRegistry)
	 */
	@Override
	protected void initializeImageRegistry(ImageRegistry registry) {
//		final String ICON_PATH_PREFIX = "icons/full/customobj16/"; //$NON-NLS-1$
		final String ICON_ACTION_PATH_PREFIX = "icons/full/actions16/"; //$NON-NLS-1$

		final String CUSTOM_ICON_PATH_PREFIX2 = "icons/full/customobj16/"; //$NON-NLS-1$C
		
		registry.put(ISharedImages.AUTOMATIC_EXPERIMENT_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2 + "AutomaticExperiment.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.DECORATOR_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2 + "Decorator.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.DECORATOR_FOLDER_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2 + "DecoratorModelFile.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.DYNAMIC_LABEL_ICON,
				imageDescriptorFromPlugin(PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2
						+ "DynamicLabel.gif")); //$NON-NLS-1$
		
		registry.put(ISharedImages.EDGE_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2 + "Edge.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.EXPERIMENT_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2 + "Experiment.gif")); //$NON-NLS-1$
		

		registry.put(ISharedImages.EXPERIMENT_FOLDER_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2 + "ExperimentModelFile.gif")); //$NON-NLS-1$
		
		registry.put(ISharedImages.GRAPH_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2 + "Graph.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.GRAPH_FOLDER_ICON,
				imageDescriptorFromPlugin(PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2
						+ "GraphModelFile.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.MODEL_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2 + "Model.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.MODEL_FOLDER_ICON,
				imageDescriptorFromPlugin(PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2
						+ "ModelModelFile.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.MODIFIER_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2 + "Modifier.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.MODIFIER_FOLDER_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2 + "ModifierModelFile.gif")); //$NON-NLS-1$
		
		registry.put(ISharedImages.NODE_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2 + "Node.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.PREDICATE_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2 + "Predicate.gif")); //$NON-NLS-1$
		
		registry.put(ISharedImages.PREDICATE_FOLDER_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2 + "PredicateModelFile.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.RECORDED_SIMULATION_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2 + "RecordedSimulations.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.RECORDED_SIMULATION_FOLDER_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2 + "RecordedSimulationsModelFile.gif")); //$NON-NLS-1$
		
		registry.put(ISharedImages.SCENARIO_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2 + "Scenario.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.SCENARIO_FOLDER_ICON,
				imageDescriptorFromPlugin(PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2
						+ "ScenarioModelFile.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.SEQUENCER_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2 + "Sequencer.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.SEQUENCER_FOLDER_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2 + "SequencerModelFile.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.STATIC_LABEL_ICON,
				imageDescriptorFromPlugin(PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2
						+ "StaticLabel.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.TRIGGER_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2 + "Trigger.gif")); //$NON-NLS-1$
		
		registry.put(ISharedImages.TRIGGER_FOLDER_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2 + "TriggerModelFile.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.STEM_PROJECT_ICON,
				imageDescriptorFromPlugin(PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2
						+ "stem.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.STEM_EXPLORER_PROJECT_ICON,
				imageDescriptorFromPlugin(PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2
						+ "StemProject.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.STEM_EXPLORER_VIEW_ICON,
				imageDescriptorFromPlugin(PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2
						+ "stemExplorer.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.SIMULATION_CONTROL_VIEW_ICON,
				imageDescriptorFromPlugin(PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2
						+ "simulationControlView.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.SIMULATION_CONTROL_ICON,
				imageDescriptorFromPlugin(PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2
						+ "simulationControl.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.DELETE_FILE_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2 + "delete.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.STEM_GRAPH_FILE_ICON,
				imageDescriptorFromPlugin(PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2
						+ "genericFile.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.STEM_FOLDER_ICON,
				imageDescriptorFromPlugin(PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2
						+ "ScenarioModelFile.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.STEM_SCENARIO_FILE_ICON,
				imageDescriptorFromPlugin(PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2
						+ "ScenarioModelFile.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.RUN_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, ICON_ACTION_PATH_PREFIX + "run.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.PAUSE_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, ICON_ACTION_PATH_PREFIX + "pause.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.RESET_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, ICON_ACTION_PATH_PREFIX + "reset.gif")); //$NON-NLS-1$
		
		registry.put(ISharedImages.RESTART_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, ICON_ACTION_PATH_PREFIX + "restart.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.STEP_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, ICON_ACTION_PATH_PREFIX + "step.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.STOP_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, ICON_ACTION_PATH_PREFIX + "stop.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.DISABLED_RUN_ICON,
				imageDescriptorFromPlugin(PLUGIN_ID, ICON_ACTION_PATH_PREFIX
						+ "disabledRun.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.DISABLED_PAUSE_ICON,
				imageDescriptorFromPlugin(PLUGIN_ID, ICON_ACTION_PATH_PREFIX
						+ "disabledPause.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.DISABLED_RESET_ICON,
				imageDescriptorFromPlugin(PLUGIN_ID, ICON_ACTION_PATH_PREFIX
						+ "disabledReset.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.DISABLED_STEP_ICON,
				imageDescriptorFromPlugin(PLUGIN_ID, ICON_ACTION_PATH_PREFIX
						+ "disabledStep.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.DISABLED_STOP_ICON,
				imageDescriptorFromPlugin(PLUGIN_ID, ICON_ACTION_PATH_PREFIX
						+ "disabledStop.gif")); //$NON-NLS-1$

		registry.put(ISharedImages.MAP_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2 + "map.gif")); //$NON-NLS-1$

		
		registry.put(ISharedImages.LOGGER_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2 + "Decorator.gif")); //$NON-NLS-1$
		
		registry.put(ISharedImages.LOGGER_FOLDER_ICON, imageDescriptorFromPlugin(
				PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2 + "DecoratorModelFile.gif")); //$NON-NLS-1$

		
		
		
//		registry.put(ISharedImages.RECORDED_SIMULATION_ICON, imageDescriptorFromPlugin(
//				PLUGIN_ID, CUSTOM_ICON_PATH_PREFIX2 + "RecordedSimulations.gif")); //$NON-NLS-1$
	} // initializeImageRegistry

	/**
	 * Add SWT colors to color registry
	 */
	protected void initializeColorRegistry(ColorRegistry colorRegistry) {
		// Register colors in registry
		colorRegistry.put(ISharedColors.GREEN, new RGB(55, 255, 50));
		colorRegistry.put(ISharedColors.YELLOW, new RGB(255, 255, 0));
		colorRegistry.put(ISharedColors.ORANGE, new RGB(255, 170, 30));
		colorRegistry.put(ISharedColors.GRAY, new RGB(217, 217, 217));
		// Add more colors here
	} // initializeColorRegistry

	/**
	 * Add SWT fonts to font registry
	 */
	protected void initializeFontRegistry(FontRegistry fontRegistry) {
		int fontHeight = JFaceResources.getDefaultFont().getFontData()[0]
				.getHeight();

		FontData fontData = new FontData("Courier New", fontHeight, //$NON-NLS-1$
				SWT.NORMAL);
		// Register colors in registry
		fontRegistry.put(ISharedFonts.DEFAULT, new FontData[] { fontData });
		// Add more colors here
	} // initializeColorRegistry

	/**
	 * Log an error to the ILog for this plugin
	 * 
	 * @param message
	 *            the localized error message text
	 * @param exception
	 *            the associated exception, or null
	 */
	public static void logError(String message, Throwable exception) {
		plugin.getLog().log(
				new Status(IStatus.ERROR, plugin.getBundle().getSymbolicName(),
						0, message, exception));
	} // logError

	/**
	 * Log information to the ILog for this plugin
	 * 
	 * @param message
	 *            the localized information message text
	 * @param exception
	 *            the associated exception, or null
	 */
	public static void logInformation(String message, Throwable exception) {
		plugin.getLog().log(
				new Status(IStatus.INFO, plugin.getBundle().getSymbolicName(),
						0, message, exception));
	} // logInformation
	
	/**
	 * Log information to the ILog for this plugin
	 * The method is overloaded to allow for logInformation without an error 
	 * method sets the error to null. This should be used instead of System.out.println
	 * throughout the code.
	 * @param message
	 *            the localized information message text
	 *
	 */
	public static void logInformation(String message) {
		if(plugin != null) 
			plugin.getLog().log(
				new Status(IStatus.INFO, plugin.getBundle().getSymbolicName(),
						0, message, null));
			else 
				// No
				System.out.println(message);
	} // logInformation

	/**
	 * @param perspectiveId
	 *            the id of the perspective to switch to
	 */
	public static void switchToPerspective(String perspectiveId) {
		final IWorkbench workbench = PlatformUI.getWorkbench();
		try {
			workbench.showPerspective(
					perspectiveId, workbench
							.getActiveWorkbenchWindow());
		} catch (WorkbenchException e) {
			Activator.logError("Problem switching to Perspective with ID=\""
					+ perspectiveId + "\"", e);
		}
	} // switchToPerspective
} // Activator