001 /*
002 $Id: DefaultTableModel.java,v 1.2 2003/11/04 12:00:48 jstrachan Exp $
003
004 Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
005
006 Redistribution and use of this software and associated documentation
007 ("Software"), with or without modification, are permitted provided
008 that the following conditions are met:
009
010 1. Redistributions of source code must retain copyright
011 statements and notices. Redistributions must also contain a
012 copy of this document.
013
014 2. Redistributions in binary form must reproduce the
015 above copyright notice, this list of conditions and the
016 following disclaimer in the documentation and/or other
017 materials provided with the distribution.
018
019 3. The name "groovy" must not be used to endorse or promote
020 products derived from this Software without prior written
021 permission of The Codehaus. For written permission,
022 please contact info@codehaus.org.
023
024 4. Products derived from this Software may not be called "groovy"
025 nor may "groovy" appear in their names without prior written
026 permission of The Codehaus. "groovy" is a registered
027 trademark of The Codehaus.
028
029 5. Due credit should be given to The Codehaus -
030 http://groovy.codehaus.org/
031
032 THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS
033 ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
034 NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
035 FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
036 THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
037 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
038 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
039 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
040 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
041 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
042 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
043 OF THE POSSIBILITY OF SUCH DAMAGE.
044
045 */
046 package groovy.model;
047
048 import groovy.lang.Closure;
049
050 import java.util.Collections;
051 import java.util.List;
052
053 import javax.swing.table.AbstractTableModel;
054 import javax.swing.table.DefaultTableColumnModel;
055 import javax.swing.table.TableColumnModel;
056
057 import org.codehaus.groovy.runtime.InvokerHelper;
058
059 /**
060 * A default table model made up of PropertyModels on a Value model.
061 *
062 * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
063 * @version $Revision: 1.2 $
064 */
065 public class DefaultTableModel extends AbstractTableModel {
066
067 private ValueModel rowModel;
068 private ValueModel rowsModel;
069 private MyTableColumnModel columnModel = new MyTableColumnModel();
070
071 public DefaultTableModel(ValueModel rowsModel) {
072 this(rowsModel, new ValueHolder());
073 }
074
075 public DefaultTableModel(ValueModel rowsModel, ValueModel rowModel) {
076 this.rowModel = rowModel;
077 this.rowsModel = rowsModel;
078 }
079
080 /**
081 * @return the column definitions.
082 */
083 public List getColumnList() {
084 return columnModel.getColumnList();
085 }
086
087 public TableColumnModel getColumnModel() {
088 return columnModel;
089 }
090
091 /**
092 * Adds a property model column to the table
093 */
094 public DefaultTableColumn addPropertyColumn(Object headerValue, String property, Class type) {
095 return addColumn(headerValue, new PropertyModel(rowModel, property, type));
096 }
097
098 /**
099 * Adds a closure based column to the table
100 */
101 public DefaultTableColumn addClosureColumn(Object headerValue, Closure readClosure, Closure writeClosure, Class type) {
102 return addColumn(headerValue, new ClosureModel(rowModel, readClosure, writeClosure, type));
103 }
104
105 public DefaultTableColumn addColumn(Object headerValue, ValueModel columnValueModel) {
106 DefaultTableColumn answer = new DefaultTableColumn(headerValue, columnValueModel);
107 addColumn(answer);
108 return answer;
109 }
110
111 /**
112 * Adds a new column definition to the table
113 */
114 public void addColumn(DefaultTableColumn column) {
115 columnModel.addColumn(column);
116 }
117
118 /**
119 * Removes a column definition from the table
120 */
121 public void removeColumn(DefaultTableColumn column) {
122 columnModel.removeColumn(column);
123 }
124
125 public int getRowCount() {
126 return getRows().size();
127 }
128
129 public int getColumnCount() {
130 return columnModel.getColumnCount();
131 }
132
133 public String getColumnName(int columnIndex) {
134 String answer = null;
135 if (columnIndex < 0 || columnIndex >= columnModel.getColumnCount()) {
136 return answer;
137 }
138 Object value = columnModel.getColumn(columnIndex).getHeaderValue();
139 if (value != null) {
140 return value.toString();
141 }
142 return answer;
143 }
144
145 public Class getColumnClass(int columnIndex) {
146 return getColumnModel(columnIndex).getType();
147 }
148
149 public boolean isCellEditable(int rowIndex, int columnIndex) {
150 return getColumnModel(columnIndex).isEditable();
151 }
152
153 public Object getValueAt(int rowIndex, int columnIndex) {
154 List rows = getRows();
155 Object answer = null;
156 if (rowIndex < 0 || rowIndex >= rows.size()) {
157 return answer;
158 }
159 if (columnIndex < 0 || columnIndex >= columnModel.getColumnCount()) {
160 return answer;
161 }
162 Object row = getRows().get(rowIndex);
163 rowModel.setValue(row);
164 DefaultTableColumn column = (DefaultTableColumn) columnModel.getColumn(columnIndex);
165 if (row == null || column == null) {
166 return answer;
167 }
168 return column.getValue(row, rowIndex, columnIndex);
169 }
170
171 public void setValueAt(Object value, int rowIndex, int columnIndex) {
172 List rows = getRows();
173 if (rowIndex < 0 || rowIndex >= rows.size()) {
174 return;
175 }
176 if (columnIndex < 0 || columnIndex >= columnModel.getColumnCount()) {
177 return;
178 }
179 Object row = getRows().get(rowIndex);
180 rowModel.setValue(row);
181 DefaultTableColumn column = (DefaultTableColumn) columnModel.getColumn(columnIndex);
182 if (row == null || column == null) {
183 return;
184 }
185 column.setValue(row, value, rowIndex, columnIndex);
186 }
187
188 protected ValueModel getColumnModel(int columnIndex) {
189 DefaultTableColumn column = (DefaultTableColumn) columnModel.getColumn(columnIndex);
190 return column.getValueModel();
191 }
192
193 protected List getRows() {
194 Object value = rowsModel.getValue();
195 if (value == null) {
196 return Collections.EMPTY_LIST;
197 }
198 return InvokerHelper.asList(value);
199 }
200
201 protected static class MyTableColumnModel extends DefaultTableColumnModel {
202 public List getColumnList() {
203 return tableColumns;
204 }
205 }
206
207 public ValueModel getRowModel() {
208 return rowModel;
209 }
210
211 public ValueModel getRowsModel() {
212 return rowsModel;
213 }
214
215 }