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Diffstat (limited to 'jsf/plugins/org.eclipse.jst.jsf.common.ui/src/org/eclipse/jst/jsf/common/ui/internal/utils/PluginImageHelper.java')
| -rw-r--r-- | jsf/plugins/org.eclipse.jst.jsf.common.ui/src/org/eclipse/jst/jsf/common/ui/internal/utils/PluginImageHelper.java | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/jsf/plugins/org.eclipse.jst.jsf.common.ui/src/org/eclipse/jst/jsf/common/ui/internal/utils/PluginImageHelper.java b/jsf/plugins/org.eclipse.jst.jsf.common.ui/src/org/eclipse/jst/jsf/common/ui/internal/utils/PluginImageHelper.java deleted file mode 100644 index 8ebcd0354..000000000 --- a/jsf/plugins/org.eclipse.jst.jsf.common.ui/src/org/eclipse/jst/jsf/common/ui/internal/utils/PluginImageHelper.java +++ /dev/null @@ -1,213 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2006 Sybase, Inc. 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: - * Sybase, Inc. - initial API and implementation - *******************************************************************************/ -package org.eclipse.jst.jsf.common.ui.internal.utils; - -import java.util.HashMap; - -import org.eclipse.jface.resource.ImageDescriptor; -import org.eclipse.jface.resource.ImageRegistry; -import org.eclipse.jface.resource.JFaceResources; -import org.eclipse.swt.graphics.Image; -import org.eclipse.ui.plugin.AbstractUIPlugin; - -/** - * @author mengbo - */ -public class PluginImageHelper { - private static PluginImageHelper _instance = null; - - /** - * Gets the instance. - * - * @return Returns a TaglibPluginImageHelper - */ - public synchronized static PluginImageHelper getInstance() { - if (_instance == null) { - _instance = new PluginImageHelper(); - } - return _instance; - } - - // save a descriptor for each image - private HashMap _imageDescRegistry = null; - - private final String PLUGIN_SEPARATOR = "^"; //$NON-NLS-1$ - - /** - * Creates an image from the given resource and adds the image to the image - * registry. - * - * @param resource - * @param pluginId - * @return Image - */ - private Image createImage(String resource, String pluginId) { - ImageDescriptor desc = getImageDescriptor(resource, pluginId); - Image image = null; - - if (desc != null) { - image = desc.createImage(); - - // dont add the missing image descriptor image to the image - // registry - if (!desc.equals(ImageDescriptor.getMissingImageDescriptor())) { - String thePluginId = pluginId; - if (thePluginId == null) { - return null; - } - String key = thePluginId + PLUGIN_SEPARATOR + resource; - getImageRegistry().put(key, image); - } - } - return image; - } - - /** - * Creates an image descriptor from the given imageFilePath in the given - * pluginId and adds the image descriptor to the image descriptor registry. - * If an image descriptor could not be created, the default "missing" image - * descriptor is returned but not added to the image descriptor registry. - * - * @param imageFilePath - * @param pluginId - * if null, look in this plugin - * @return ImageDescriptor image descriptor for imageFilePath or default - * "missing" image descriptor if resource could not be found - */ - private ImageDescriptor createImageDescriptor(String imageFilePath, - String pluginId) { - String thePluginId = pluginId; - if (thePluginId == null) { - return null; - } - - ImageDescriptor imageDescriptor = AbstractUIPlugin - .imageDescriptorFromPlugin(thePluginId, imageFilePath); - if (imageDescriptor != null) { - String key = thePluginId + PLUGIN_SEPARATOR + imageFilePath; - getImageDescriptorRegistry().put(key, imageDescriptor); - } else { - imageDescriptor = ImageDescriptor.getMissingImageDescriptor(); - } - - return imageDescriptor; - } - - /** - * Retrieves the image associated with resource from the image registry. If - * the image cannot be retrieved, attempt to find and load the image at the - * location specified in resource. - * - * @param resource - * the image to retrieve - * @return Image the image associated with resource or null if one could not - * be found - */ - public Image getImage(String resource) { - return getImage(resource, null); - } - - /** - * Retrieves the image associated with resource from the image registry. If - * the image cannot be retrieved, attempt to find and load the image at the - * location specified in resource. - * - * @param resource - * the image to retrieve - * @param pluginId - * @return Image the image associated with resource or null if one could not - * be found - */ - public Image getImage(String resource, String pluginId) { - String thePluginId = pluginId; - if (thePluginId == null) { - return null; - } - - String key = thePluginId + PLUGIN_SEPARATOR + resource; - - Image image = getImageRegistry().get(key); - if (image == null) { - // create an image - image = createImage(resource, pluginId); - } - return image; - } - - /** - * Retrieves the image descriptor associated with resource from the image - * descriptor registry. If the image descriptor cannot be retrieved, attempt - * to find and load the image descriptor at the location specified in - * resource. - * - * @param resource - * the image descriptor to retrieve - * @return ImageDescriptor the image descriptor assocated with resource or - * the default "missing" image descriptor if one could not be found - */ - public ImageDescriptor getImageDescriptor(String resource) { - return getImageDescriptor(resource, null); - } - - /** - * Retrieves the image descriptor associated with resource in pluginId from - * the image descriptor registry. If the image descriptor cannot be - * retrieved, attempt to find and load the image descriptor at the location - * specified in resource in pluginId. - * - * @param resource - * the image descriptor to retrieve - * @param pluginId - * the plugin the resource is located. if null, use look in this - * plugin - * @return ImageDescriptor the image descriptor assocated with resource or - * the default "missing" image descriptor if one could not be found - */ - public ImageDescriptor getImageDescriptor(String resource, String pluginId) { - ImageDescriptor imageDescriptor = null; - String thePluginId = pluginId; - if (thePluginId == null) { - return null; - } - - String key = thePluginId + PLUGIN_SEPARATOR + resource; - Object o = getImageDescriptorRegistry().get(key); - if (o == null) { - // create a descriptor - imageDescriptor = createImageDescriptor(resource, pluginId); - } else { - imageDescriptor = (ImageDescriptor) o; - } - return imageDescriptor; - } - - /** - * Returns the image descriptor registry for this plugin. - * - * @return HashMap - image descriptor registry for this plugin - */ - private HashMap getImageDescriptorRegistry() { - if (_imageDescRegistry == null) { - _imageDescRegistry = new HashMap(); - } - return _imageDescRegistry; - } - - /** - * Returns the image registry for this plugin. - * - * @return ImageRegistry - image registry for this plugin - */ - private ImageRegistry getImageRegistry() { - return JFaceResources.getImageRegistry(); - } -} |