DesignerImages.java

/*
 * Copyright 2005-7 Pi4 Technologies Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 *
 * Change History:
 * Feb 22, 2007 : Initial version created by gary
 */
package org.savara.tools.scenario.designer;

import org.eclipse.swt.graphics.Image;
import org.eclipse.jface.resource.ImageDescriptor;

/**
 * This class provides access to images configured within the
 * environment.
 */
public class DesignerImages {

	/**
     * This method returns the image associated with the
     * supplied name.
     * 
     * @param name The name
     * @return The image
     */
    public static Image getImage(String name) {
    	Image ret=null;
    	
    	// Make sure the image descriptor is registered
    	getImageDescriptor(name);
    	
    	ret = m_registry.get(name);
    	
    	return(ret);
    }
    
    /**
     * This method returns the image descriptor associated with the
     * supplied name.
     * 
     * @param name The name
     * @return The descriptor
     */
    public static ImageDescriptor getImageDescriptor(String name) {
    	ImageDescriptor ret=null;
    	
    	if ((ret = m_registry.getDescriptor(name)) == null) {
    	    ret = ImageDescriptor.createFromFile(DesignerImages.class,
    	    		IMAGES_LOCATION+name);
    	    
    	    m_registry.put(name, ret);
    	}
    	
    	return(ret);
    }

    private static final String IMAGES_LOCATION = "images/";
    
    private static org.eclipse.jface.resource.ImageRegistry m_registry=
    		new org.eclipse.jface.resource.ImageRegistry();
}