/******************************************************************************* * Copyright (c) 2012, 2015 Ericsson 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: * Marc Khouzam (Ericsson) - initial API and implementation * William R. Swanson (Tilera Corporation) - added resource support * Marc Dumais (Ericsson) - Bug 460837 *******************************************************************************/ package org.eclipse.cdt.dsf.gdb.multicorevisualizer.internal.ui; import org.eclipse.cdt.dsf.gdb.launching.LaunchMessages; import org.eclipse.cdt.visualizer.ui.plugin.CDTVisualizerUIPlugin; import org.eclipse.cdt.visualizer.ui.util.UIResourceManager; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Status; import org.eclipse.core.runtime.preferences.IEclipsePreferences; import org.eclipse.core.runtime.preferences.InstanceScope; import org.eclipse.jface.dialogs.ErrorDialog; import org.eclipse.jface.resource.ImageDescriptor; import org.eclipse.swt.graphics.Font; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.widgets.Shell; import org.eclipse.ui.IWorkbenchPage; import org.eclipse.ui.IWorkbenchWindow; import org.eclipse.ui.plugin.AbstractUIPlugin; import org.osgi.framework.BundleContext; /** * The activator class controls the plug-in life cycle */ public class MulticoreVisualizerUIPlugin extends AbstractUIPlugin { // --- constants --- // The plug-in ID public static final String PLUGIN_ID = "org.eclipse.cdt.dsf.gdb.multicorevisualizer.ui"; //$NON-NLS-1$ // --- static members --- /** Singleton instance */ private static MulticoreVisualizerUIPlugin plugin; /** Bundle context */ private static BundleContext fgBundleContext; /** Resource manager */ protected static UIResourceManager s_resources = null; /** * Returns the shared instance */ public static MulticoreVisualizerUIPlugin getDefault() { return plugin; } /** * Returns the bundle context for this plugin. */ public static BundleContext getBundleContext() { return fgBundleContext; } // --- constructors/destructors --- /** * The constructor */ public MulticoreVisualizerUIPlugin() { } // --- plugin startup/shutdown methods --- /* * (non-Javadoc) * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext) */ @Override public void start(BundleContext context) throws Exception { fgBundleContext = context; super.start(context); plugin = this; // initialize resource management (strings, images, fonts, colors, etc.) getPluginResources(); } /* * (non-Javadoc) * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext) */ @Override public void stop(BundleContext context) throws Exception { // clean up resource management cleanupPluginResources(); plugin = null; super.stop(context); fgBundleContext = null; } // --- logging --- /** * Logs the specified status with this plug-in's log. * * @param status * status to log */ public static void log(IStatus status) { getDefault().getLog().log(status); } /** * Logs an internal error with the specified message. * * @param message * the error message to log */ public static void logErrorMessage(String message) { log(new Status(IStatus.ERROR, getUniqueIdentifier(), IStatus.ERROR, message, null)); } /** * Logs an internal error with the specified throwable * * @param e * the exception to be logged */ public static void log(Throwable e) { log(new Status(IStatus.ERROR, getUniqueIdentifier(), IStatus.ERROR, e.getMessage(), e)); } // --- accessors --- /** * Convenience method which returns the unique identifier of this plugin. */ public static String getUniqueIdentifier() { if (getDefault() == null) { // If the default instance is not yet initialized, // return a static identifier. This identifier must // match the plugin id defined in plugin.xml return PLUGIN_ID; } return getDefault().getBundle().getSymbolicName(); } // --- UI plugin support --- /** * copied from org.eclipse.cdt.launch.internal.ui.LaunchUIPlugin */ private static Shell debugDialogShell; /** * Returns shell (workbench or dialog) for this plugin. */ public static Shell getShell() { if (getActiveWorkbenchShell() != null) { return getActiveWorkbenchShell(); } if (debugDialogShell != null) { if (!debugDialogShell.isDisposed()) return debugDialogShell; debugDialogShell = null; } IWorkbenchWindow[] windows = getDefault().getWorkbench().getWorkbenchWindows(); return windows[0].getShell(); } public static void setDialogShell(Shell shell) { debugDialogShell = shell; } /** * Returns the active workbench window * * @return the active workbench window */ public static IWorkbenchWindow getActiveWorkbenchWindow() { return getDefault().getWorkbench().getActiveWorkbenchWindow(); } public static IWorkbenchPage getActivePage() { IWorkbenchWindow w = getActiveWorkbenchWindow(); if (w != null) { return w.getActivePage(); } return null; } /** * Returns the active workbench shell or <code>null</code> if none * * @return the active workbench shell or <code>null</code> if none */ public static Shell getActiveWorkbenchShell() { IWorkbenchWindow window = getActiveWorkbenchWindow(); if (window != null) { return window.getShell(); } return null; } /** * Displays an error dialog. */ public static void errorDialog(String message, IStatus status) { log(status); Shell shell = getActiveWorkbenchShell(); if (shell != null) { ErrorDialog.openError(shell, LaunchMessages.getString("LaunchUIPlugin.Error"), message, status); //$NON-NLS-1$ } } /** * Displays an error dialog. */ public static void errorDialog(String message, Throwable t) { log(t); Shell shell = getActiveWorkbenchShell(); if (shell != null) { IStatus status = new Status(IStatus.ERROR, getUniqueIdentifier(), 1, t.getMessage(), null); ErrorDialog.openError(shell, LaunchMessages.getString("LaunchUIPlugin.Error"), message, status); //$NON-NLS-1$ } } // --- resource management --- /** Returns resource manager for this plugin */ public UIResourceManager getPluginResources() { if (s_resources == null) { // FindBugs reported that it is unsafe to set s_resources // before we finish to initialize the object, because of // multi-threading. This is why we use a temporary variable. UIResourceManager resourceManager = new UIResourceManager(this); resourceManager.setParentManager(CDTVisualizerUIPlugin.getResources()); s_resources = resourceManager; } return s_resources; } /** Releases resource manager for this plugin. */ public void cleanupPluginResources() { if (s_resources != null) s_resources.dispose(); } /** Convenience method for getting plugin resource manager */ public static UIResourceManager getResources() { return getDefault().getPluginResources(); } /** Convenience method for looking up string resources */ public static String getString(String key) { return getDefault().getPluginResources().getString(key); } /** Convenience method for looking up string resources */ public static String getString(String key, Object... arguments) { return getDefault().getPluginResources().getString(key, arguments); } /** Convenience method for looking up image resources */ public static Image getImage(String key) { return getDefault().getPluginResources().getImage(key); } /** Convenience method for looking up image resources */ public static ImageDescriptor getImageDescriptor(String key) { return getDefault().getPluginResources().getImageDescriptor(key); } /** Convenience method for looking up font resources */ public static Font getFont(String fontName, int height) { return getDefault().getPluginResources().getFont(fontName, height); } /** Convenience method for looking up font resources */ public static Font getFont(String fontName, int height, int style) { return getDefault().getPluginResources().getFont(fontName, height, style); } /** Get the preference store for this Eclipse plug-in */ public static IEclipsePreferences getEclipsePreferenceStore() { return InstanceScope.INSTANCE.getNode(PLUGIN_ID); } }