package org.symbian.tools.mtw.ui;

import java.util.Map;

import java.util.WeakHashMap;

import org.eclipse.core.resources.IProject;

import org.eclipse.core.runtime.IStatus;

import org.eclipse.core.runtime.Status;

import org.eclipse.jface.resource.ImageRegistry;

import org.eclipse.ui.plugin.AbstractUIPlugin;

import org.osgi.framework.BundleContext;

import org.symbian.tools.mtw.core.projects.IMTWProject;

/**

 * The activator class controls the plug-in life cycle

 */

public class MTWCoreUI extends AbstractUIPlugin {

    private final Map<IProject, ProjectMemo> MEMOS = new WeakHashMap<IProject, ProjectMemo>();

    // The plug-in ID

    public static final String PLUGIN_ID = "org.symbian.tools.mtw.ui"; //$NON-NLS-1$

    // The shared instance

    private static MTWCoreUI plugin;

    private Images images;

    /**

     * The constructor

     */

    public MTWCoreUI() {

    }

    @Override

    protected void initializeImageRegistry(ImageRegistry reg) {

        super.initializeImageRegistry(reg);

    }

    /*

     * (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 MTWCoreUI getDefault() {

        return plugin;

    }

    public static void log(String message, Exception e) {

        getDefault().getLog().log(new Status(IStatus.ERROR, PLUGIN_ID, message, e));

    }

    public static void log(Exception e) {

        log(null, e);

    }

    public static ProjectMemo getMemo(IMTWProject project) {

        return getDefault().getMemoForProject(project);

    }

    private synchronized ProjectMemo getMemoForProject(IMTWProject project) {

        ProjectMemo memo = MEMOS.get(project.getProject());

        if (memo == null) {

            memo = new ProjectMemo(project);

            MEMOS.put(project.getProject(), memo);

        }

        return memo;

    }

    public static Images getImages() {

        if (getDefault().images == null) {

            getDefault().images = new Images(getDefault().getImageRegistry());

        }

        return getDefault().images;

    }

}