001    /*
002     * Copyright 2002-2006 the original author or authors.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     *      http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    package org.springframework.richclient.progress;
017    
018    import javax.swing.JProgressBar;
019    
020    import org.springframework.util.Assert;
021    
022    /**
023     * <code>ProgressMonitor</code> implementation that delegates to a
024     * <code>JProgressBar</code>.
025     * 
026     * @author Peter De Bruycker
027     */
028    public class ProgressBarProgressMonitor implements ProgressMonitor {
029    
030        private JProgressBar progressBar;
031        private boolean canceled;
032    
033        public ProgressBarProgressMonitor(JProgressBar progressBar) {
034            Assert.notNull(progressBar, "ProgressBar cannot be null.");
035            this.progressBar = progressBar;
036        }
037    
038        public JProgressBar getProgressBar() {
039            return progressBar;
040        }
041    
042        public boolean isCanceled() {
043            return canceled;
044        }
045    
046        public void setCanceled(boolean b) {
047            this.canceled = b;
048        }
049    
050        public void done() {
051            // not used
052        }
053    
054        public void subTaskStarted(String name) {
055            progressBar.setString(name);
056        }
057    
058        public void taskStarted(String name, int totalWork) {
059            progressBar.setIndeterminate(false);
060            progressBar.setMinimum(0);
061            progressBar.setMaximum(totalWork);
062            progressBar.setString(name);
063        }
064    
065        public void worked(int work) {
066            progressBar.setValue(progressBar.getValue() + work);
067        }
068    }