diff options
Diffstat (limited to 'bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/editor/XMLEditorPluginImageHelper.java')
-rw-r--r-- | bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/editor/XMLEditorPluginImageHelper.java | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/editor/XMLEditorPluginImageHelper.java b/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/editor/XMLEditorPluginImageHelper.java deleted file mode 100644 index 32338dfba8..0000000000 --- a/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/editor/XMLEditorPluginImageHelper.java +++ /dev/null @@ -1,155 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2001, 2004 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 - * Jens Lukowski/Innoopract - initial renaming/restructuring - * - *******************************************************************************/ -package org.eclipse.wst.xml.ui.internal.editor; - -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; -import org.eclipse.wst.xml.ui.internal.XMLUIPlugin; - - -/** - * Helper class to handle images provided by this plug-in. - * - * NOTE: For internal use only. For images used externally, please use the - * Shared***ImageHelper class instead. - * - * @author amywu - */ -public class XMLEditorPluginImageHelper { - private static XMLEditorPluginImageHelper instance = null; - - /** - * Gets the instance. - * - * @return Returns a XMLEditorPluginImageHelper - */ - public synchronized static XMLEditorPluginImageHelper getInstance() { - if (instance == null) - instance = new XMLEditorPluginImageHelper(); - return instance; - } - - // save a descriptor for each image - private HashMap fImageDescRegistry = null; - private final String PLUGINID = XMLUIPlugin.ID; - - /** - * Creates an image from the given resource and adds the image to the - * image registry. - * - * @param resource - * @return Image - */ - private Image createImage(String resource) { - ImageDescriptor desc = getImageDescriptor(resource); - 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())) - getImageRegistry().put(resource, image); - } - return image; - } - - /** - * Creates an image descriptor from the given imageFilePath 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 - * @return ImageDescriptor image descriptor for imageFilePath or default - * "missing" image descriptor if resource could not be found - */ - private ImageDescriptor createImageDescriptor(String imageFilePath) { - ImageDescriptor imageDescriptor = AbstractUIPlugin.imageDescriptorFromPlugin(PLUGINID, imageFilePath); - if (imageDescriptor != null) { - getImageDescriptorRegistry().put(imageFilePath, 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) { - Image image = getImageRegistry().get(resource); - if (image == null) { - // create an image - image = createImage(resource); - } - 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) { - ImageDescriptor imageDescriptor = null; - Object o = getImageDescriptorRegistry().get(resource); - if (o == null) { - //create a descriptor - imageDescriptor = createImageDescriptor(resource); - } 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 (fImageDescRegistry == null) - fImageDescRegistry = new HashMap(); - return fImageDescRegistry; - } - - /** - * Returns the image registry for this plugin. - * - * @return ImageRegistry - image registry for this plugin - */ - private ImageRegistry getImageRegistry() { - return JFaceResources.getImageRegistry(); - } -} |