org.springsource.ide.eclipse.dashboard.internal.ui.IdeUiPlugin.java Source code

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Here is the source code for org.springsource.ide.eclipse.dashboard.internal.ui.IdeUiPlugin.java

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/*******************************************************************************
 *  Copyright (c) 2012 VMware, 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:
 *      VMware, Inc. - initial API and implementation
 *******************************************************************************/
package org.springsource.ide.eclipse.dashboard.internal.ui;

import java.net.URL;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IEditorReference;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.eclipse.ui.progress.UIJob;
import org.osgi.framework.BundleContext;
import org.springsource.ide.eclipse.dashboard.internal.ui.editors.DashboardEditorInputFactory;
import org.springsource.ide.eclipse.dashboard.ui.actions.ShowDashboardAction;

/**
 * Note: Bundle activation is triggered by Mylyn's tasks ui startup due to
 * implemented task editor factory extensions.
 * @author Steffen Pingel
 * @author Christian Dupuis
 * @author Wesley Coelho
 * @author Leo Dos Santos
 */
public class IdeUiPlugin extends AbstractUIPlugin {

    public static final String PLUGIN_ID = "org.springsource.ide.eclipse.dashboard.ui";

    private static IdeUiPlugin plugin;

    @Override
    public void start(BundleContext context) throws Exception {
        super.start(context);
        plugin = this;
        // avoid cyclic startup dependency on org.eclipse.mylyn.tasks.ui
        Job startupJob = new UIJob("SpringSource Tool Suite Initialization") {
            @Override
            public IStatus runInUIThread(IProgressMonitor monitor) {
                Display.getDefault().asyncExec(new Runnable() {
                    public void run() {
                        IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
                        if (window != null) {
                            // prevent loading if already opened by workspace
                            // restore
                            IEditorReference[] references = window.getActivePage().getEditorReferences();
                            for (IEditorReference reference : references) {
                                if (DashboardEditorInputFactory.FACTORY_ID.equals(reference.getFactoryId())) {
                                    return;
                                }
                            }

                            if (getPreferenceStore().getBoolean(IIdeUiConstants.PREF_OPEN_DASHBOARD_STARTUP)) {
                                // don't show if welcome page is visible
                                if (window.getWorkbench().getIntroManager().getIntro() != null) {
                                    // scheduleUpdateJob();
                                    return;
                                }

                                ShowDashboardAction showDashboard = new ShowDashboardAction();
                                showDashboard.init(window);
                                showDashboard.run(null);
                                return;
                            }
                        }
                        // scheduleUpdateJob();
                    }
                });
                return Status.OK_STATUS;
            }
        };
        startupJob.setSystem(true);
        startupJob.schedule();
    }

    @Override
    public void stop(BundleContext context) throws Exception {
        plugin = null;
        super.stop(context);
    }

    @Override
    protected void initializeDefaultPreferences(IPreferenceStore store) {
        store.setDefault(IIdeUiConstants.PREF_OPEN_DASHBOARD_STARTUP,
                IIdeUiConstants.DEFAULT_OPEN_DASHBOARD_STARTUP);
    }

    public static IdeUiPlugin getDefault() {
        return plugin;
    }

    public static Image getImage(String path) {
        ImageRegistry imageRegistry = getDefault().getImageRegistry();
        Image image = imageRegistry.get(path);
        if (image == null) {
            // Add support for loading and creating images from remote URLs
            if (path.startsWith("http")) {
                try {
                    ImageDescriptor imageDescriptor = ImageDescriptor.createFromURL(new URL(path));
                    if (imageDescriptor == null) {
                        imageDescriptor = ImageDescriptor.getMissingImageDescriptor();
                    }
                    image = imageDescriptor.createImage(true);
                    imageRegistry.put(path, image);
                } catch (Exception e) {
                    // make sure to ignore all here
                    ImageDescriptor imageDescriptor = ImageDescriptor.getMissingImageDescriptor();
                    image = imageDescriptor.createImage(true);
                    imageRegistry.put(path, image);
                }
            } else {
                ImageDescriptor imageDescriptor = getImageDescriptor(path);
                if (imageDescriptor == null) {
                    imageDescriptor = ImageDescriptor.getMissingImageDescriptor();
                }
                image = imageDescriptor.createImage(true);
                imageRegistry.put(path, image);
            }
        }
        return image;
    }

    public static ImageDescriptor getImageDescriptor(String path) {
        return imageDescriptorFromPlugin(PLUGIN_ID, "icons/" + path);
    }

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

    public static void log(IStatus status, boolean informUser) {
        getDefault().getLog().log(status);
        if (informUser) {
            MessageDialog.openError(Display.getDefault().getActiveShell(), "Error", status.getMessage());
        }
    }

    public static void log(Throwable e) {
        getDefault().getLog().log(new Status(IStatus.ERROR, PLUGIN_ID, "Unexpected exception", e));
    }

}