com.xored.glance.internal.ui.GlancePlugin.java Source code

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Here is the source code for com.xored.glance.internal.ui.GlancePlugin.java

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/*******************************************************************************
 * Copyright (c) 2012 xored software, Inc. 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:
 * xored software, Inc. - initial API and implementation (Yuri Strot)
 ******************************************************************************/
package com.xored.glance.internal.ui;

import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;

import java.net.URL;

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

    // The plug-in ID
    public static final String PLUGIN_ID = "com.xored.glance.ui";

    // IMAGES

    private static final String IMG_PREFIX = "icons/glance/";

    public static final String IMG_WAIT = IMG_PREFIX + "wait.gif";
    public static final String IMG_NEXT = IMG_PREFIX + "next.gif";
    public static final String IMG_PREV = IMG_PREFIX + "prev.gif";
    public static final String IMG_SEARCH = IMG_PREFIX + "search.png";
    public static final String IMG_START_INDEXING = IMG_PREFIX + "update_1.gif";
    public static final String IMG_END_INDEXING = IMG_PREFIX + "update_2.gif";
    public static final String IMG_INDEXING_FINISHED = IMG_PREFIX + "update_done.gif";
    public static final String[] IMG_INDEXING_LOOP = new String[] { IMG_START_INDEXING, IMG_END_INDEXING };

    // The shared instance
    private static GlancePlugin plugin;

    public static IStatus createStatus(String message) {
        return createStatus(message, null);
    }

    public static IStatus createStatus(String message, Throwable t) {
        return new Status(IStatus.ERROR, PLUGIN_ID, message, t);
    }

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

    public static Image getImage(String path) {
        Image image = getDefault().getImageRegistry().get(path);
        if (image == null) {
            ImageDescriptor imageDescriptor = getImageDescriptor(path, false);
            image = imageDescriptor.createImage();
            getDefault().getImageRegistry().put(path, image);
        }
        return image;
    }

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

    public static void log(IStatus status) {
        getDefault().getLog().log(status);
    }

    public static void log(String message) {
        log(message, null);
    }

    public static void log(String message, Throwable t) {
        log(createStatus(message, t));
    }

    public static void log(Throwable t) {
        log(t.getMessage(), t);
    }

    private static ImageDescriptor getImageDescriptor(String path, boolean addToRegistry) {
        ImageDescriptor imageDescriptor = getDefault().getImageRegistry().getDescriptor(path);
        if (imageDescriptor == null) {
            imageDescriptor = ImageDescriptor.createFromURL(makeImageURL(path));
            if (addToRegistry) {
                getDefault().getImageRegistry().put(path, imageDescriptor);
            }
        }
        return imageDescriptor;
    }

    private static URL makeImageURL(String path) {
        return FileLocator.find(getDefault().getBundle(), new Path(path), null);
    }

    /**
     * The constructor
     */
    public GlancePlugin() {
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext )
     */
    @Override
    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 )
     */
    @Override
    public void stop(BundleContext context) throws Exception {
        plugin = null;
        super.stop(context);
    }
}