net.java.treaty.eclipse.vocabulary.junit.ui.IconProvider.java Source code

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Here is the source code for net.java.treaty.eclipse.vocabulary.junit.ui.IconProvider.java

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/*
 * Copyright (C) 2008 Jens Dietrich
 * 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. 
 */
package net.java.treaty.eclipse.vocabulary.junit.ui;

import java.net.URI;
import java.net.URL;

import net.java.treaty.eclipse.vocabulary.junit.JUnitVocabulary;

import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.plugin.AbstractUIPlugin;

/**
 * Provider for icons representing types in user interfaces. Extensions provide
 * concrete subclasses.
 * 
 * @author Jens Dietrich
 */

public class IconProvider extends net.java.treaty.eclipse.views.IconProvider {

    /**
     * Get the icon
     * 
     * @param type
     *          the type
     * @param isVariable
     *          whether the resource is a variable
     * @return
     */
    protected Image getIcon(URI type, boolean isVariable) {

        String typeName;
        typeName = type.toString();

        ImageDescriptor imageDescriptor;
        imageDescriptor = null;

        if (JUnitVocabulary.TESTCASE.equals(typeName)) {

            if (isVariable) {
                imageDescriptor = this.getImageDescriptor("icons/junit_var.gif");
            }

            else {
                imageDescriptor = this.getImageDescriptor("icons/junit.gif");
            }
        }
        // no else.

        if (imageDescriptor != null) {
            return imageDescriptor.createImage();
        }
        // no else.

        return null;
    }

    /*
     * (non-Javadoc)
     * @see net.java.treaty.eclipse.views.IconProvider#getIconURL(java.net.URI,
     * boolean)
     */
    protected URL getIconURL(URI type, boolean isVariable) {

        URL result;

        String typeName;
        typeName = type.toString();

        result = null;

        if (JUnitVocabulary.TESTCASE.equals(typeName)) {
            if (isVariable) {
                result = Activator.getDefault().getBundle().getResource("icons/junit_var.gif");
            }

            else {
                result = Activator.getDefault().getBundle().getResource("icons/junit.gif");
            }
        }

        return result;
    }

    private ImageDescriptor getImageDescriptor(String path) {

        return AbstractUIPlugin.imageDescriptorFromPlugin(Activator.PLUGIN_ID, path);
    }
}