Java tutorial
/******************************************************************************* * Copyright (c) 2008-2010 Sonatype, 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: * Sonatype, Inc. - initial API and implementation *******************************************************************************/ package org.eclipse.m2e.core.ui.internal; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.eclipse.jface.resource.ImageDescriptor; import org.eclipse.jface.resource.ImageRegistry; import org.eclipse.jface.viewers.DecorationOverlayIcon; import org.eclipse.swt.graphics.Image; import org.eclipse.ui.plugin.AbstractUIPlugin; /** * @author Eugene Kuleshov */ public class MavenImages { private static final Logger log = LoggerFactory.getLogger(MavenImages.class); // descriptors public static final ImageDescriptor M2 = createDescriptor("m2.gif"); //$NON-NLS-1$ public static final ImageDescriptor DEBUG = createDescriptor("debug.gif"); //$NON-NLS-1$ public static final ImageDescriptor ADD_INDEX = createDescriptor("add_index.gif"); //$NON-NLS-1$ public static final ImageDescriptor NEW_POM = createDescriptor("new_m2_pom.gif"); //$NON-NLS-1$ public static final ImageDescriptor REFRESH = createDescriptor("refresh.gif"); //$NON-NLS-1$ public static final ImageDescriptor UPD_INDEX = createDescriptor("update_index.gif"); //$NON-NLS-1$ public static final ImageDescriptor REBUILD_INDEX = createDescriptor("rebuild_index.gif"); //$NON-NLS-1$ public static final ImageDescriptor POM = createDescriptor("pom_obj.gif"); //$NON-NLS-1$ public static final ImageDescriptor SHOW_CONSOLE_ERR = createDescriptor("stderr.gif"); //$NON-NLS-1$ public static final ImageDescriptor SHOW_CONSOLE_OUT = createDescriptor("stdout.gif"); //$NON-NLS-1$ public static final ImageDescriptor MAVEN_OVERLAY = createDescriptor("mlabel.gif"); //$NON-NLS-1$ public static final ImageDescriptor EXPANDALL = createDescriptor("expandall.gif"); //$NON-NLS-1$ public static final ImageDescriptor COLLAPSEALL = createDescriptor("collapseall.gif"); //$NON-NLS-1$ public static final ImageDescriptor SUSPEND = createDescriptor("suspend.gif"); //$NON-NLS-1$ public static final ImageDescriptor CLEAR = createDescriptor("clear.gif"); //$NON-NLS-1$ // object images public static final String PATH_JAR = "jar_obj.gif"; //$NON-NLS-1$ public static final String PATH_PROJECT = "project_obj.gif"; //$NON-NLS-1$ public static final String PATH_LOCK = "lock_ovr.gif"; //$NON-NLS-1$ public static final String PATH_VERSION = "jar_version.gif"; //$NON-NLS-1$ public static final String PATH_VERSION_SRC = "jar_src_version.gif"; //$NON-NLS-1$ public static final Image IMG_JAR = createImage(PATH_JAR); public static final Image IMG_VERSION = createImage(PATH_VERSION); public static final Image IMG_VERSION_SRC = createImage(PATH_VERSION_SRC); public static final Image IMG_LAUNCH_MAIN = createImage("main_tab.gif"); //$NON-NLS-1$ public static final Image IMG_INDEX = createImage("maven_index.gif"); //$NON-NLS-1$ public static final Image IMG_INDEXES = createImage("maven_indexes.gif"); //$NON-NLS-1$ public static final Image IMG_PASSED = createImage("passed.png"); //$NON-NLS-1$ public static final Image IMG_POM = POM.createImage(); public static final Image IMG_ERROR = createImage("error_st_obj.gif"); //$NON-NLS-1$ // wizard images public static final ImageDescriptor WIZ_IMPORT_WIZ = createDescriptor("import_project.png"); //$NON-NLS-1$ public static final ImageDescriptor WIZ_NEW_PROJECT = createDescriptor("new_m2_project_wizard.gif"); //$NON-NLS-1$ public static final String MVN_PROJECT = "project-mlabel.gif"; //$NON-NLS-1$ static { } private static ImageDescriptor createDescriptor(String key) { try { ImageRegistry imageRegistry = getImageRegistry(); if (imageRegistry != null) { ImageDescriptor imageDescriptor = imageRegistry.getDescriptor(key); if (imageDescriptor == null) { imageDescriptor = doCreateDescriptor(key); imageRegistry.put(key, imageDescriptor); } return imageDescriptor; } } catch (Exception ex) { log.error(key, ex); } return null; } private static Image createImage(String key) { createDescriptor(key); ImageRegistry imageRegistry = getImageRegistry(); return imageRegistry == null ? null : imageRegistry.get(key); } private static ImageRegistry getImageRegistry() { M2EUIPluginActivator plugin = M2EUIPluginActivator.getDefault(); return plugin == null ? null : plugin.getImageRegistry(); } private static ImageDescriptor doCreateDescriptor(String image) { return AbstractUIPlugin.imageDescriptorFromPlugin(M2EUIPluginActivator.PLUGIN_ID, "icons/" + image); //$NON-NLS-1$ } private static ImageDescriptor getOverlayImageDescriptor(String basekey, String overlaykey, int quadrant) { String key = basekey + overlaykey; try { ImageRegistry imageRegistry = getImageRegistry(); if (imageRegistry != null) { ImageDescriptor imageDescriptor = imageRegistry.getDescriptor(key); if (imageDescriptor == null) { ImageDescriptor base = createDescriptor(basekey); ImageDescriptor overlay = createDescriptor(overlaykey); if (base == null || overlay == null) { log.error("cannot construct overlay image descriptor for " + basekey + " " + overlaykey); //$NON-NLS-1$ //$NON-NLS-2$ return null; } imageDescriptor = createOverlayDescriptor(base, overlay, quadrant); imageRegistry.put(key, imageDescriptor); } return imageDescriptor; } } catch (Exception ex) { log.error(key, ex); } return null; } public static Image getOverlayImage(String base, String overlay, int quadrant) { getOverlayImageDescriptor(base, overlay, quadrant); ImageRegistry imageRegistry = getImageRegistry(); return imageRegistry == null ? null : imageRegistry.get(base + overlay); } public static Image createOverlayImage(String key, Image base, ImageDescriptor overlay, int quadrant) { ImageRegistry registry = getImageRegistry(); if (registry != null) { Image image = registry.get(key); if (image == null) { ImageDescriptor descriptor = registry.getDescriptor(key); if (descriptor == null) { registry.put(key, createOverlayDescriptor(base, overlay, quadrant)); } image = registry.get(key); } return image; } return null; } private static ImageDescriptor createOverlayDescriptor(ImageDescriptor base, ImageDescriptor overlay, int quadrant) { return new DecorationOverlayIcon(base.createImage(), overlay, quadrant); } private static ImageDescriptor createOverlayDescriptor(Image base, ImageDescriptor overlay, int quadrant) { return new DecorationOverlayIcon(base, overlay, quadrant); } }