x10dt.ui.X10DTUIPlugin.java Source code

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Here is the source code for x10dt.ui.X10DTUIPlugin.java

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/*******************************************************************************
 * Copyright (c) 2008 IBM Corporation.
 * 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:
 *    Robert Fuhrer (rfuhrer@watson.ibm.com) - initial API and implementation
 *******************************************************************************/

/*
 * (C) Copyright IBM Corporation 2007
 * 
 * This file is part of the Eclipse IMP.
 */
package x10dt.ui;

import java.net.MalformedURLException;
import java.net.URL;

import org.eclipse.core.runtime.ILog;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Status;
import org.eclipse.imp.runtime.ImageDescriptorRegistry;
import org.eclipse.jface.action.GroupMarker;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.search.ui.IContextMenuConstants;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.navigator.ICommonMenuConstants;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;

import x10dt.ui.typeHierarchy.TypeFilter;
import x10dt.ui.typeHierarchy.X10Constants;
import x10dt.ui.typeHierarchy.dialogs.OpenTypeHistory;

public class X10DTUIPlugin extends AbstractUIPlugin {
    public static final String PLUGIN_ID = "x10dt.ui";
    public static final String PERSPECTIVE_SCOPE = PLUGIN_ID + ".x10PerspectiveScope";
    public static final String EDITOR_SCOPE = PLUGIN_ID + ".x10EditorScope";

    private static X10DTUIPlugin sInstance;

    private static ILog sLog;

    public static final String OPENTYPE_NAME = "opentype.gif";
    public static ImageDescriptor OPENTYPE_DESC;

    private TypeFilter fTypeFilter;

    private ImageDescriptorRegistry fImageDescriptorRegistry;

    public X10DTUIPlugin() {
        super();
        sInstance = this;
    }

    public static X10DTUIPlugin getInstance() {
        return sInstance;
    }

    public void maybeWriteInfoMsg(String msg) {
        // BRT fEmitInfoMessages not read here, always write info msg for now, until can determine how to read/write correctly
        //        if (!fEmitInfoMessages) 
        //            return;

        Status status = new Status(Status.INFO, PLUGIN_ID, 0, msg, null);

        if (sLog == null)
            sLog = getLog();

        sLog.log(status);
    }

    public void writeErrorMsg(String msg) {
        Status status = new Status(Status.ERROR, PLUGIN_ID, 0, msg, null);

        if (sLog == null)
            sLog = getLog();

        sLog.log(status);
    }

    private void initImageRegistry() {
        fgIconBaseURL = getBundle().getEntry("/icons/"); //$NON-NLS-1$
        RUNTIME_IMG_DESC = create(RUNTIME_IMG_NAME);
        getInstance().getImageRegistry().put(RUNTIME_IMG_NAME, RUNTIME_IMG_DESC);

        OPENTYPE_DESC = create(OPENTYPE_NAME);
        getInstance().getImageRegistry().put(OPENTYPE_NAME, OPENTYPE_DESC);
    }

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

    public static final String RUNTIME_IMG_NAME = "runtime_obj.gif";
    public static ImageDescriptor RUNTIME_IMG_DESC;

    private static URL fgIconBaseURL = null;

    private static URL makeIconFileURL(String name) throws MalformedURLException {
        if (fgIconBaseURL == null)
            sInstance.initImageRegistry();
        //       throw new MalformedURLException();

        return new URL(fgIconBaseURL, name);
    }

    public static ImageDescriptor create(String name) {
        try {
            return ImageDescriptor.createFromURL(makeIconFileURL(name));
        } catch (MalformedURLException e) {
            return ImageDescriptor.getMissingImageDescriptor();
        }
    }

    public static ImageDescriptorRegistry getImageDescriptorRegistry() {
        return getInstance().internalGetImageDescriptorRegistry();
    }

    private synchronized ImageDescriptorRegistry internalGetImageDescriptorRegistry() {
        if (fImageDescriptorRegistry == null)
            fImageDescriptorRegistry = new ImageDescriptorRegistry();
        return fImageDescriptorRegistry;
    }

    /**
     * Returns the image managed under the given key in this registry.
     * 
     * @param key the image's key
     * @return the image managed under the given key
     */
    public Image getImage(String key) {
        if (fgIconBaseURL == null)
            initImageRegistry();
        return getInstance().getImageRegistry().get(key);
    }

    public synchronized TypeFilter getTypeFilter() {
        if (fTypeFilter == null)
            fTypeFilter = new TypeFilter();
        return fTypeFilter;
    }

    /**
    * Creates the X10DT's standard groups for view context menus.
    *
    * @param menu the menu manager to be populated
    */
    public static void createStandardGroups(IMenuManager menu) {
        if (!menu.isEmpty())
            return;

        menu.add(new Separator(IContextMenuConstants.GROUP_NEW));
        menu.add(new GroupMarker(IContextMenuConstants.GROUP_GOTO));
        menu.add(new Separator(IContextMenuConstants.GROUP_OPEN));
        menu.add(new GroupMarker(IContextMenuConstants.GROUP_SHOW));
        menu.add(new Separator(ICommonMenuConstants.GROUP_EDIT));
        menu.add(new Separator(IContextMenuConstants.GROUP_REORGANIZE));
        menu.add(new Separator(IContextMenuConstants.GROUP_GENERATE));
        menu.add(new Separator(IContextMenuConstants.GROUP_SEARCH));
        menu.add(new Separator(IContextMenuConstants.GROUP_BUILD));
        menu.add(new Separator(IContextMenuConstants.GROUP_ADDITIONS));
        menu.add(new Separator(IContextMenuConstants.GROUP_VIEWER_SETUP));
        menu.add(new Separator(IContextMenuConstants.GROUP_PROPERTIES));
    }

    @Override
    public void start(BundleContext context) throws Exception {
        super.start(context);
        X10Constants.initializeDefaultValues(getPreferenceStore());
        OpenTypeHistory.getInstance().checkConsistency(new NullProgressMonitor());
    }

    @Override
    public void stop(BundleContext context) throws Exception {
        OpenTypeHistory.shutdown();

        if (fTypeFilter != null) {
            fTypeFilter.dispose();
            fTypeFilter = null;
        }

        super.stop(context);
    }
}