| /******************************************************************************* |
| * Copyright (c) 2005 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.bpel.common.ui; |
| |
| import java.lang.reflect.Field; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| |
| import org.eclipse.bpel.common.ui.details.IDetailsColors; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.core.runtime.IExtensionPoint; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.jface.resource.ColorRegistry; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jface.resource.ImageRegistry; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Color; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.graphics.ImageData; |
| import org.eclipse.swt.graphics.RGB; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.ui.plugin.AbstractUIPlugin; |
| import org.osgi.framework.BundleContext; |
| |
| /** |
| * The main plug-in class to be used in the desktop. |
| */ |
| |
| @SuppressWarnings("nls") |
| |
| public class CommonUIPlugin extends AbstractUIPlugin { |
| |
| /** Our plug-in id */ |
| public static final String PLUGIN_ID = "org.eclipse.bpel.common.ui"; //$NON-NLS-1$ |
| |
| //The shared instance. |
| private static CommonUIPlugin plugin; |
| |
| private ColorRegistry colorRegistry; |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=330813 |
| private ImageRegistry imageRegistry; |
| |
| /** |
| * The constructor. |
| */ |
| public CommonUIPlugin() { |
| // nothing |
| } |
| |
| /** |
| * This method is called upon plug-in activation |
| */ |
| @Override |
| public void start(BundleContext context) throws Exception { |
| super.start(context); |
| plugin = this; |
| } |
| |
| /** |
| * This method is called when the plug-in is stopped |
| */ |
| @Override |
| public void stop(BundleContext context) throws Exception { |
| super.stop(context); |
| plugin = null; |
| } |
| |
| /** |
| * Returns the shared instance. |
| * @return the plugin singleton |
| */ |
| public static CommonUIPlugin getDefault() { |
| return plugin; |
| } |
| |
| /** |
| * Returns an image descriptor for the image file at the given |
| * plug-in relative path. |
| * |
| * @param path the path |
| * @return the image descriptor |
| */ |
| |
| public static ImageDescriptor getImageDescriptor(String path) { |
| return AbstractUIPlugin.imageDescriptorFromPlugin("org.eclipse.bpel.common.ui", path); |
| } |
| |
| /** |
| * @see org.eclipse.ui.plugin.AbstractUIPlugin#getImageRegistry() |
| */ |
| @Override |
| public synchronized ImageRegistry getImageRegistry() { |
| if (imageRegistry == null) { |
| imageRegistry = super.getImageRegistry(); |
| initializeImages(Display.getCurrent()); |
| } |
| return imageRegistry; |
| } |
| |
| /** |
| * Return color registry. |
| * @return the color registry. |
| */ |
| public synchronized ColorRegistry getColorRegistry() { |
| if (colorRegistry == null) { |
| colorRegistry = new ColorRegistry(); |
| registerColors(Display.getCurrent()); |
| } |
| return colorRegistry; |
| } |
| |
| /** |
| * Creates an image and places it in the image registry. |
| */ |
| private void createImageDescriptor(String id, URL baseURL) { |
| URL url = null; |
| try { |
| url = new URL(baseURL, ICommonUIConstants.ICON_PATH + id); |
| } catch (MalformedURLException e) { |
| } |
| ImageDescriptor desc = ImageDescriptor.createFromURL(url); |
| getImageRegistry().put(id, desc); |
| } |
| |
| /** |
| * Initializes the table of images used in this plugin. |
| */ |
| private void initializeImages (Display display) { |
| URL baseURL = getBundle().getEntry("/"); //$NON-NLS-1$ |
| |
| // A little reflection magic ... so that we don't |
| // have to add the createImageDescriptor every time |
| // we add it to the IBPELUIConstants .. |
| Field fields[] = ICommonUIConstants.class.getFields(); |
| for(int i=0; i < fields.length; i++) { |
| Field f = fields[i]; |
| if (f.getType() != String.class) { |
| continue; |
| } |
| String name = f.getName(); |
| if (name.startsWith("ICON_") || name.startsWith("CURSOR_")) { //$NON-NLS-1$ //$NON-NLS-2$ |
| try { |
| String value = (String) f.get(null); |
| createImageDescriptor(value, baseURL); |
| } catch (Exception e) { |
| log(e); |
| } |
| } |
| } |
| |
| // tray buttons |
| ImageRegistry registry = getImageRegistry(); |
| ImageDescriptor desc = registry.getDescriptor(ICommonUIConstants.ICON_TRAY_EXPAND_ARROW); |
| |
| registry.remove(ICommonUIConstants.ICON_KEY_TRAY_COLLAPSE_BUTTON ); |
| registry.remove(ICommonUIConstants.ICON_KEY_TRAY_EXPAND_BUTTON ); |
| |
| registry.put(ICommonUIConstants.ICON_KEY_TRAY_COLLAPSE_BUTTON, desc.createImage()); |
| ImageData data = ImageUtils.flip(desc.getImageData()); |
| registry.put(ICommonUIConstants.ICON_KEY_TRAY_EXPAND_BUTTON, new Image(display, data)); |
| } |
| |
| /** |
| * Register the colors used by the details editor and its parts. |
| */ |
| private void registerColors(Display display) { |
| RGB light = display.getSystemColor(SWT.COLOR_WIDGET_BACKGROUND).getRGB(); |
| RGB dark = ColorUtils.getShadeRGB(light, -0.09019605f); |
| RGB shadow = ColorUtils.getShadeRGB(light, -0.20f); |
| RGB scrollBtn = ColorUtils.getShadeRGB(light, -0.1921568f); |
| |
| ColorRegistry registry = getColorRegistry(); |
| registry.put(IDetailsColors.COLOR_LIGHT_BACKGROUND, light); |
| registry.put(IDetailsColors.COLOR_DARK_BACKGROUND, dark); |
| registry.put(IDetailsColors.COLOR_DARK_SHADOW, shadow); |
| registry.put(IDetailsColors.COLOR_TOOL_SELECTED_1, light); |
| registry.put(IDetailsColors.COLOR_TOOL_SELECTED_2, dark); |
| registry.put(IDetailsColors.COLOR_SCROLL_BUTTON, scrollBtn); |
| registry.put(IDetailsColors.COLOR_TOOL_SELECTED_BORDER, display.getSystemColor(SWT.COLOR_LIST_BACKGROUND).getRGB()); |
| RGB canvas = display.getSystemColor(SWT.COLOR_LIST_BACKGROUND).getRGB(); |
| registry.put(IDetailsColors.COLOR_CANVAS, canvas); |
| registry.put(IDetailsColors.COLOR_TEXT, display.getSystemColor(SWT.COLOR_LIST_FOREGROUND).getRGB()); |
| |
| // tray |
| registry.put(IDetailsColors.COLOR_TRAY_BACKGROUND, ColorUtils.getLightShade(light, 2, 3)); |
| |
| // selection handler |
| Color selectionColor = Display.getCurrent().getSystemColor(SWT.COLOR_LIST_SELECTION); |
| colorRegistry.put(ICommonUIConstants.COLOR_SELECTION_HANDLE_CORNER, ColorUtils.getLightShade(selectionColor.getRGB(), 2, 3)); |
| } |
| |
| /** |
| * Method to create an error status object and write an error message to the log |
| * based on the passed boolean value. |
| * Return the IStatus that is created. |
| * |
| * @param message message that describes the error |
| * @param e Exception |
| * @param writeToLog boolean, whether or not to write the exception and message to the log |
| * @return IStatus |
| */ |
| public IStatus createErrorStatus(String message, Exception e, boolean writeToLog){ |
| IStatus status = new Status( |
| IStatus.ERROR, |
| CommonUIPlugin.PLUGIN_ID, |
| 0, |
| message, |
| e); |
| |
| if (writeToLog) |
| CommonUIPlugin.plugin.getLog().log(status); |
| return status; |
| } |
| |
| /** |
| * Utility methods for logging exceptions. |
| * @param e exception |
| * @param severity severity |
| */ |
| public static void log(Exception e, int severity) { |
| IStatus status = null; |
| if (e instanceof CoreException) { |
| status = ((CoreException)e).getStatus(); |
| } else { |
| String m = e.getMessage(); |
| status = new Status(severity, PLUGIN_ID, 0, m==null? "<no message>" : m, e); |
| } |
| System.out.println(e.getClass().getName()+": "+status); |
| CommonUIPlugin.getDefault().getLog().log(status); |
| } |
| |
| /** |
| * Log an exception. |
| * |
| * @param e |
| */ |
| |
| public static void log(Exception e) { |
| log(e, IStatus.ERROR); |
| } |
| |
| |
| /** |
| * The configuration elements for our extension points |
| * |
| * @param extensionPointId our extension points |
| * |
| * @return the configuration elements. |
| * |
| */ |
| |
| public static IConfigurationElement[] getConfigurationElements (String extensionPointId) { |
| |
| IExtensionPoint extensionPoint = Platform.getExtensionRegistry().getExtensionPoint(PLUGIN_ID, extensionPointId); |
| if (extensionPoint == null) { |
| return new IConfigurationElement[0]; |
| } |
| return extensionPoint.getConfigurationElements(); |
| } |
| |
| } |