/* uDig - User Friendly Desktop Internet GIS client
* http://udig.refractions.net
* (C) 2012, Refractions Research Inc.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* (http://www.eclipse.org/legal/epl-v10.html), and the Refractions BSD
* License v1.0 (http://udig.refractions.net/files/bsd3-v10.html).
*/
package org.locationtech.udig.core;
import java.net.URL;
import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.plugin.AbstractUIPlugin;
/**
* Dynamic ImageRegistry
* @author fgdrf
*/
public abstract class AbstractUdigUIPlugin extends AbstractUIPlugin {
/**
* the default Icon path to access images
*/
public static final String DEFAULT_ICON_PATH = "icons/";
/**
* The constructor.
*/
public AbstractUdigUIPlugin() {
super();
}
public ImageDescriptor getImageDescriptor(String symbolicName) {
ImageRegistry imageRegistry = getImageRegistry();
ImageDescriptor imageDescriptor = imageRegistry.getDescriptor(symbolicName);
if (imageDescriptor == null) {
// create it from Path and add it to registry
registerImage(getIconPath(), symbolicName);
}
return imageRegistry.getDescriptor(symbolicName);
}
public Image getImage(String symbolicName) {
ImageRegistry imageRegistry = getImageRegistry();
Image image = imageRegistry.get(symbolicName);
if (image == null) {
// create it from Path and add it to registry
registerImage(getIconPath(), symbolicName);
}
return imageRegistry.get(symbolicName);
}
private void registerImage(IPath iconPath, String symbolicName) {
URL imageUrl = FileLocator.find(getBundle(), iconPath.append(symbolicName), null);
ImageDescriptor image = ImageDescriptor.createFromURL(imageUrl);
ImageRegistry imageRegistry = getImageRegistry();
imageRegistry.put(symbolicName, image);
}
/**
* Returns the shared instance.
* @return {@link AbstractUdigUIPlugin} singleton
*/
public abstract IPath getIconPath();
}