001    /*
002     * Copyright 2002-2004 the original author or authors.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License"); you may not
005     * use this file except in compliance with the License. You may obtain a copy of
006     * 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, WITHOUT
012     * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
013     * License for the specific language governing permissions and limitations under
014     * the License.
015     */
016    package org.springframework.richclient.form.binding.swing;
017    
018    import java.util.Map;
019    
020    import javax.swing.JComponent;
021    import javax.swing.JTextArea;
022    
023    import org.springframework.binding.form.FormModel;
024    import org.springframework.richclient.form.binding.Binding;
025    import org.springframework.richclient.form.binding.support.AbstractBinder;
026    import org.springframework.util.Assert;
027    
028    /**
029     * @author Oliver Hutchison
030     */
031    public class TextAreaBinder extends AbstractBinder {
032    
033        public static final String ROWS_KEY = "rows";
034    
035        public static final String COLUMNS_KEY = "columns";
036    
037        public TextAreaBinder() {
038            super(String.class, new String[] {ROWS_KEY, COLUMNS_KEY});
039        }
040    
041        protected Binding doBind(JComponent control, FormModel formModel, String formPropertyPath, Map context) {
042            Assert.isTrue(control instanceof JTextArea, "Control must be an instance of JTextArea.");
043            JTextArea textArea = (JTextArea)control;
044            Integer rows = (Integer)context.get(ROWS_KEY);
045            if (rows != null) {
046                textArea.setRows(rows.intValue());
047            }
048            Integer columns = (Integer)context.get(COLUMNS_KEY);
049            if (columns != null) {
050                textArea.setColumns(columns.intValue());
051            }
052            return new TextComponentBinding((JTextArea)control, formModel, formPropertyPath);
053        }
054    
055        protected JComponent createControl(Map context) {
056            return getComponentFactory().createTextArea();
057        }
058    }