/******************************************************************************* * Copyright (c) 2007 Spring IDE Developers * 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: * Spring IDE Developers - initial API and implementation *******************************************************************************/ package org.springframework.ide.eclipse.webflow.ui.editor.outline.webflow; import java.net.MalformedURLException; import java.net.URL; import java.util.HashMap; import java.util.Iterator; import java.util.Map; import org.eclipse.jface.action.IAction; import org.eclipse.jface.resource.ImageDescriptor; import org.eclipse.jface.resource.ImageRegistry; import org.eclipse.swt.graphics.Image; import org.springframework.ide.eclipse.webflow.ui.editor.Activator; /** * The images provided by the Spring Beans UI plugin. * Initialize the image registry by declaring all of the required * graphics. This involves creating JFace image descriptors describing * how to create/find the image should it be needed. * The image is not actually allocated until requested. * Prefix conventions * Wizard Banners WIZBAN_ * Preference Banners PREF_BAN_ * Property Page Banners PROPBAN_ * Color toolbar CTOOL_ * Enable toolbar ETOOL_ * Disable toolbar DTOOL_ * Local enabled toolbar ELCL_ * Local Disable toolbar DLCL_ * Object large OBJL_ * Object small OBJS_ * View VIEW_ * Product images PROD_ * Misc images MISC_ * Where are the images? * The images (typically gifs) are found in the same location as this * plugin class. This may mean the same package directory as the * package holding this class. The images are declared using * <code>this.getClass()</code> to ensure they are looked up via * this plugin class. * @author Christian Dupuis * @author Torsten Juergeleit * @see org.eclipse.jface.resource.ImageRegistry */ public class WebflowUIImages { private static final String ICON_PATH_PREFIX = ""; private static final String NAME_PREFIX = Activator.PLUGIN_ID + '.'; private static final int NAME_PREFIX_LENGTH = NAME_PREFIX.length(); private static final String STRUCTURE = "icons/full/obj16/"; /** Declare Common paths */ private static URL ICON_BASE_URL = null; static { try { ICON_BASE_URL = new URL(Activator.getDefault().getBundle() .getEntry("/"), ICON_PATH_PREFIX); } catch (MalformedURLException e) { } } /** * A table of all the <code>ImageDescriptor</code>s. */ private static Map<String, ImageDescriptor> imageDescriptors; /** * The image registry containing <code>Image</code>s. */ private static ImageRegistry imageRegistry; /** * Available cached Images in the Java plugin image registry. */ public static final String IMG_OBJS_WEBFLOW = NAME_PREFIX + "spring_webflow_obj.gif"; public static final String IMG_OBJS_VIRTUAL_FOLDER = NAME_PREFIX + "virtual_folder_obj.gif"; public static final String IMG_OBJS_ACTION = NAME_PREFIX + "action_obj.gif"; public static final String IMG_OBJS_ACTION_STATE = NAME_PREFIX + "action_state_obj.gif"; public static final String IMG_OBJS_ACTIONS = NAME_PREFIX + "actions_obj.gif"; public static final String IMG_OBJS_ARGUMENT = NAME_PREFIX + "argument_obj.gif"; public static final String IMG_OBJS_ATTRIBUTE_MAPPER = NAME_PREFIX + "attribute_mapper_obj.gif"; public static final String IMG_OBJS_BEAN_ACTION = NAME_PREFIX + "bean_action_obj.gif"; public static final String IMG_OBJS_DECISION_STATE = NAME_PREFIX + "decision_state_obj.gif"; public static final String IMG_OBJS_END_STATE = NAME_PREFIX + "end_state_obj.gif"; public static final String IMG_OBJS_EVALUATION_ACTION = NAME_PREFIX + "evaluation_action_obj.gif"; public static final String IMG_OBJS_EXCEPTION_HANDLER = NAME_PREFIX + "exception_handler_obj.gif"; public static final String IMG_OBJS_EXPRESSION = NAME_PREFIX + "expression_obj.gif"; public static final String IMG_OVR_ERROR = NAME_PREFIX + "error_ovr.gif"; public static final String IMG_OBJS_GLOBAL_TRANSITION = NAME_PREFIX + "global_transition_obj.gif"; public static final String IMG_OBJS_IF = NAME_PREFIX + "if_obj.gif"; public static final String IMG_OBJS_IMPORT = NAME_PREFIX + "import_obj.gif"; public static final String IMG_OBJS_METHOD = NAME_PREFIX + "method_obj.gif"; public static final String IMG_OBJS_INPUT = NAME_PREFIX + "input_obj.gif"; public static final String IMG_OVR_INPUT = NAME_PREFIX + "input_ovr.gif"; public static final String IMG_OBJS_OUTPUT = NAME_PREFIX + "output_obj.gif"; public static final String IMG_OVR_OUTPUT = NAME_PREFIX + "output_ovr.gif"; public static final String IMG_OBJS_PROPERTIES = NAME_PREFIX + "properties_obj.gif"; public static final String IMG_OVR_RENDER = NAME_PREFIX + "render_ovr.gif"; public static final String IMG_OBJS_START_ACTION = NAME_PREFIX + "start_action_obj.gif"; public static final String IMG_OBJS_SET_ACTION = NAME_PREFIX + "set_action_obj.gif"; public static final String IMG_OBJS_START_STATE = NAME_PREFIX + "start_state_obj.gif"; public static final String IMG_OVR_START_STATE = NAME_PREFIX + "start_state_ovr.gif"; public static final String IMG_OBJS_SUBFLOW_STATE = NAME_PREFIX + "subflow_state_obj.gif"; public static final String IMG_OBJS_TRANSITION = NAME_PREFIX + "transition_obj.gif"; public static final String IMG_OBJS_VIEW_STATE = NAME_PREFIX + "view_state_obj.gif"; public static final String IMG_OBJS_VAR = NAME_PREFIX + "var_obj.gif"; public static final ImageDescriptor DESC_OBJS_WEBFLOW = createManaged( STRUCTURE, IMG_OBJS_WEBFLOW); public static final ImageDescriptor DESC_OBJS_VIRTUAL_FOLDER = createManaged( STRUCTURE, IMG_OBJS_VIRTUAL_FOLDER); public static final ImageDescriptor DESC_OBJS_ACTION = createManaged( STRUCTURE, IMG_OBJS_ACTION); public static final ImageDescriptor DESC_OBJS_ACTION_STATE = createManaged( STRUCTURE, IMG_OBJS_ACTION_STATE); public static final ImageDescriptor DESC_OBJS_ACTIONS = createManaged( STRUCTURE, IMG_OBJS_ACTIONS); public static final ImageDescriptor DESC_OBJS_ARGUMENT = createManaged( STRUCTURE, IMG_OBJS_ARGUMENT); public static final ImageDescriptor DESC_OBJS_ATTRIBUTE_MAPPER = createManaged( STRUCTURE, IMG_OBJS_ATTRIBUTE_MAPPER); public static final ImageDescriptor DESC_OBJS_BEAN_ACTION = createManaged( STRUCTURE, IMG_OBJS_BEAN_ACTION); public static final ImageDescriptor DESC_OBJS_DECISION_STATE = createManaged( STRUCTURE, IMG_OBJS_DECISION_STATE); public static final ImageDescriptor DESC_OBJS_EVALUATION_ACTION = createManaged( STRUCTURE, IMG_OBJS_EVALUATION_ACTION); public static final ImageDescriptor DESC_OBJS_END_STATE = createManaged( STRUCTURE, IMG_OBJS_END_STATE); public static final ImageDescriptor DESC_OBJS_EXCEPTION_HANDLER = createManaged( STRUCTURE, IMG_OBJS_EXCEPTION_HANDLER); public static final ImageDescriptor DESC_OBJS_EXPRESSION = createManaged( STRUCTURE, IMG_OBJS_EXPRESSION); public static final ImageDescriptor DESC_OVR_ERROR = createManaged( STRUCTURE, IMG_OVR_ERROR); public static final ImageDescriptor DESC_OBJS_GLOBAL_TRANSITION = createManaged( STRUCTURE, IMG_OBJS_GLOBAL_TRANSITION); public static final ImageDescriptor DESC_OBJS_IF = createManaged(STRUCTURE, IMG_OBJS_IF); public static final ImageDescriptor DESC_OBJS_IMPORT = createManaged( STRUCTURE, IMG_OBJS_IMPORT); public static final ImageDescriptor DESC_OBJS_INPUT = createManaged( STRUCTURE, IMG_OBJS_INPUT); public static final ImageDescriptor DESC_OVR_INPUT = createManaged( STRUCTURE, IMG_OVR_INPUT); public static final ImageDescriptor DESC_OBJS_METHOD = createManaged( STRUCTURE, IMG_OBJS_METHOD); public static final ImageDescriptor DESC_OBJS_OUTPUT = createManaged( STRUCTURE, IMG_OBJS_OUTPUT); public static final ImageDescriptor DESC_OVR_OUTPUT = createManaged( STRUCTURE, IMG_OVR_OUTPUT); public static final ImageDescriptor DESC_OBJS_PROPERTIES = createManaged( STRUCTURE, IMG_OBJS_PROPERTIES); public static final ImageDescriptor DESC_OVR_RENDER = createManaged( STRUCTURE, IMG_OVR_RENDER); public static final ImageDescriptor DESC_OBJS_SET_ACTION = createManaged( STRUCTURE, IMG_OBJS_SET_ACTION); public static final ImageDescriptor DESC_OBJS_START_ACTION = createManaged( STRUCTURE, IMG_OBJS_START_ACTION); public static final ImageDescriptor DESC_OBJS_START_STATE = createManaged( STRUCTURE, IMG_OBJS_START_STATE); public static final ImageDescriptor DESC_OVR_START_STATE = createManaged( STRUCTURE, IMG_OVR_START_STATE); public static final ImageDescriptor DESC_OBJS_SUBFLOW_STATE = createManaged( STRUCTURE, IMG_OBJS_SUBFLOW_STATE); public static final ImageDescriptor DESC_OBJS_TRANSITION = createManaged( STRUCTURE, IMG_OBJS_TRANSITION); public static final ImageDescriptor DESC_OBJS_VAR = createManaged( STRUCTURE, IMG_OBJS_VAR); public static final ImageDescriptor DESC_OBJS_VIEW_STATE = createManaged( STRUCTURE, IMG_OBJS_VIEW_STATE); /** * Returns the <code>Image<code> identified by the given key, * or <code>null</code> if it does not exist. */ public static Image getImage(String key) { return getImageRegistry().get(key); } /** * Sets the three image descriptors for enabled, disabled, and hovered to an * action. The actions are retrieved from the *tool16 folders. */ public static void setToolImageDescriptors(IAction action, String iconName) { setImageDescriptors(action, "tool16", iconName); } /** * Sets the three image descriptors for enabled, disabled, and hovered to an * action. The actions are retrieved from the *lcl16 folders. */ public static void setLocalImageDescriptors(IAction action, String iconName) { setImageDescriptors(action, "lcl16", iconName); } /* * Helper method to access the image registry from the JavaPlugin class. */ /* package */ static ImageRegistry getImageRegistry() { if (imageRegistry == null) { imageRegistry = new ImageRegistry(); for (Iterator<String> iter = imageDescriptors.keySet().iterator(); iter .hasNext();) { String key = iter.next(); imageRegistry.put(key, imageDescriptors .get(key)); } imageDescriptors = null; } return imageRegistry; } // ---- Helper methods to access icons on the file system // ------------------- private static void setImageDescriptors(IAction action, String type, String relPath) { try { ImageDescriptor id = ImageDescriptor.createFromURL(makeIconFileURL( "d" + type, relPath)); if (id != null) { action.setDisabledImageDescriptor(id); } } catch (MalformedURLException e) { } /* * try { ImageDescriptor id = * ImageDescriptor.createFromURL(makeIconFileURL( "c" + type, relPath)); * if (id != null) { action.setHoverImageDescriptor(id); } } catch * (MalformedURLException e) { BeansUIPlugin.log(e); } */ action.setImageDescriptor(create("e" + type, relPath)); } private static ImageDescriptor createManaged(String prefix, String name) { try { ImageDescriptor result = ImageDescriptor .createFromURL(makeIconFileURL(prefix, name .substring(NAME_PREFIX_LENGTH))); if (imageDescriptors == null) { imageDescriptors = new HashMap<String, ImageDescriptor>(); } imageDescriptors.put(name, result); if (imageRegistry != null) { } return result; } catch (MalformedURLException e) { return ImageDescriptor.getMissingImageDescriptor(); } } private static ImageDescriptor create(String prefix, String name) { try { return ImageDescriptor.createFromURL(makeIconFileURL(prefix, name)); } catch (MalformedURLException e) { return ImageDescriptor.getMissingImageDescriptor(); } } private static URL makeIconFileURL(String prefix, String name) throws MalformedURLException { if (ICON_BASE_URL == null) { throw new MalformedURLException(); } StringBuffer buffer = new StringBuffer(prefix); buffer.append('/'); buffer.append(name); return new URL(ICON_BASE_URL, buffer.toString()); } }