Java tutorial
/******************************************************************************* * Copyright (c) 2006, 2014 Mountainminds GmbH & Co. KG and Contributors * 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 R. Hoffmann - initial API and implementation * ******************************************************************************/ package com.mountainminds.eclemma.internal.ui; import java.net.URL; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Status; import org.eclipse.jface.resource.ImageDescriptor; import org.eclipse.jface.resource.ImageRegistry; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.widgets.Shell; import org.eclipse.ui.IViewPart; import org.eclipse.ui.IWorkbenchPage; import org.eclipse.ui.IWorkbenchWindow; import org.eclipse.ui.PartInitException; import org.eclipse.ui.plugin.AbstractUIPlugin; import org.osgi.framework.BundleContext; import com.mountainminds.eclemma.core.CoverageTools; import com.mountainminds.eclemma.core.ICoverageSession; import com.mountainminds.eclemma.core.ISessionListener; import com.mountainminds.eclemma.internal.ui.annotation.EditorTracker; import com.mountainminds.eclemma.internal.ui.coverageview.CoverageView; /** * Plug-in activator for the UI. */ public class EclEmmaUIPlugin extends AbstractUIPlugin { public static final String ID = "com.mountainminds.eclemma.ui"; //$NON-NLS-1$ /** Identifier for the 'coverage' launch group. */ public static final String ID_COVERAGE_LAUNCH_GROUP = ID + ".launchGroup.coverage"; //$NON-NLS-1$ // Icons used by the Plugin public static final String ELCL_SESSION = "icons/full/elcl16/session.gif"; //$NON-NLS-1$ public static final String ELCL_DUMP = "icons/full/elcl16/dump.gif"; //$NON-NLS-1$ public static final String EVIEW_COVERAGE = "icons/full/eview16/coverage.gif"; //$NON-NLS-1$ public static final String EVIEW_EXEC = "icons/full/eview16/exec.gif"; //$NON-NLS-1$ public static final String OBJ_SESSION = "icons/full/obj16/session.gif"; //$NON-NLS-1$ public static final String OBJ_MARKERFULL = "icons/full/obj16/markerfull.gif"; //$NON-NLS-1$ public static final String OBJ_MARKERNO = "icons/full/obj16/markerno.gif"; //$NON-NLS-1$ public static final String OBJ_MARKERPARTIAL = "icons/full/obj16/markerpartial.gif"; //$NON-NLS-1$ private static final String[] OBJ_COVERAGE_OVERLAY = new String[] { "icons/full/ovr16/coverage00.gif", //$NON-NLS-1$ "icons/full/ovr16/coverage01.gif", //$NON-NLS-1$ "icons/full/ovr16/coverage02.gif", //$NON-NLS-1$ "icons/full/ovr16/coverage03.gif", //$NON-NLS-1$ "icons/full/ovr16/coverage04.gif", //$NON-NLS-1$ "icons/full/ovr16/coverage05.gif", //$NON-NLS-1$ "icons/full/ovr16/coverage06.gif", //$NON-NLS-1$ "icons/full/ovr16/coverage07.gif" //$NON-NLS-1$ }; public static final String WIZBAN_EXPORT_SESSION = "icons/full/wizban/export_session.gif"; //$NON-NLS-1$ public static final String WIZBAN_IMPORT_SESSION = "icons/full/wizban/import_session.gif"; //$NON-NLS-1$ public static final String DGM_REDBAR = "icons/full/dgm/redbar.gif"; //$NON-NLS-1$ public static final String DGM_GREENBAR = "icons/full/dgm/greenbar.gif"; //$NON-NLS-1$ private static EclEmmaUIPlugin instance; private EditorTracker editorTracker; private ISessionListener sessionListener = new ISessionListener() { public void sessionAdded(ICoverageSession addedSession) { if (getPreferenceStore().getBoolean(UIPreferences.PREF_SHOW_COVERAGE_VIEW)) { getWorkbench().getDisplay().asyncExec(new Runnable() { public void run() { showCoverageView(); } }); } } public void sessionRemoved(ICoverageSession removedSession) { } public void sessionActivated(ICoverageSession session) { } }; public void start(BundleContext context) throws Exception { super.start(context); CoverageTools.setPreferences(UIPreferences.CORE_PREFERENCES); CoverageTools.getSessionManager().addSessionListener(sessionListener); editorTracker = new EditorTracker(getWorkbench()); instance = this; } public void stop(BundleContext context) throws Exception { instance = null; editorTracker.dispose(); CoverageTools.getSessionManager().removeSessionListener(sessionListener); super.stop(context); } public static EclEmmaUIPlugin getInstance() { return instance; } private void showCoverageView() { IWorkbenchWindow window = getWorkbench().getActiveWorkbenchWindow(); if (window == null) return; IWorkbenchPage page = window.getActivePage(); if (page != null) { try { IViewPart view = page.showView(CoverageView.ID, null, IWorkbenchPage.VIEW_CREATE); page.bringToTop(view); } catch (PartInitException e) { log(e); } } } public Shell getShell() { return getWorkbench().getActiveWorkbenchWindow().getShell(); } public static IStatus errorStatus(String message, Throwable t) { return new Status(IStatus.ERROR, ID, IStatus.ERROR, message, t); } public static void log(Throwable t) { String message = t.getMessage(); if (message == null) { message = "Internal Error"; //$NON-NLS-1$ } instance.getLog().log(errorStatus(message, t)); } public static void log(CoreException t) { instance.getLog().log(t.getStatus()); } public static ImageDescriptor getImageDescriptor(String key) { return loadImage(key).getDescriptor(key); } public static Image getImage(String key) { return loadImage(key).get(key); } public static ImageDescriptor getCoverageOverlay(double ratio) { int idx = (int) Math.round(ratio * OBJ_COVERAGE_OVERLAY.length); if (idx < 0) idx = 0; if (idx >= OBJ_COVERAGE_OVERLAY.length) idx = OBJ_COVERAGE_OVERLAY.length - 1; return getImageDescriptor(OBJ_COVERAGE_OVERLAY[idx]); } private static ImageRegistry loadImage(String path) { ImageRegistry reg = getInstance().getImageRegistry(); if (reg.getDescriptor(path) == null) { URL url = instance.getBundle().getEntry(path); reg.put(path, ImageDescriptor.createFromURL(url)); } return reg; } }