libjava/javax/swing/table/DefaultTableModel.java

   1 /* DefaultTableModel.java --
   2    Copyright (C) 2002 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Classpath.
   5
   6 GNU Classpath is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Classpath is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Classpath; see the file COPYING.  If not, write to the
  18 Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19 02111-1307 USA.
  20
  21 Linking this library statically or dynamically with other modules is
  22 making a combined work based on this library.  Thus, the terms and
  23 conditions of the GNU General Public License cover the whole
  24 combination.
  25
  26 As a special exception, the copyright holders of this library give you
  27 permission to link this library with independent modules to produce an
  28 executable, regardless of the license terms of these independent
  29 modules, and to copy and distribute the resulting executable under
  30 terms of your choice, provided that you also meet, for each linked
  31 independent module, the terms and conditions of the license of that
  32 module.  An independent module is a module which is not derived from
  33 or based on this library.  If you modify this library, you may extend
  34 this exception to your version of the library, but you are not
  35 obligated to do so.  If you do not wish to do so, delete this
  36 exception statement from your version. */
  37
  38
  39 package javax.swing.table;
  40
  41 import java.io.Serializable;
  42 import java.util.Vector;
  43 import javax.swing.event.TableModelEvent;
  44
  45 /**
  46  * DefaultTableModel
  47  * @author      Andrew Selkirk
  48  */
  49 public class DefaultTableModel extends AbstractTableModel
  50   implements Serializable
  51 {
  52   static final long serialVersionUID = 6680042567037222321L;
  53
  54         //-------------------------------------------------------------
  55         // Variables --------------------------------------------------
  56         //-------------------------------------------------------------
  57
  58         /**
  59          * dataVector
  60          */
  61         protected Vector dataVector;
  62
  63         /**
  64          * columnIdentifiers
  65          */
  66         protected Vector columnIdentifiers;
  67
  68
  69         //-------------------------------------------------------------
  70         // Initialization ---------------------------------------------
  71         //-------------------------------------------------------------
  72
  73         /**
  74          * Constructor DefaultTableModel
  75          */
  76         public DefaultTableModel() {
  77                 this(0, 0);
  78         } // DefaultTableModel()
  79
  80         /**
  81          * Constructor DefaultTableModel
  82          * @param value0 TODO
  83          * @param value1 TODO
  84          */
  85         public DefaultTableModel(int numRows, int numColumns) {
  86
  87                 // Variables
  88                 int             columnIndex;
  89                 Vector          defaultNames;
  90
  91                 // Create Column Names
  92                 defaultNames = new Vector();
  93                 for (columnIndex = 0; columnIndex < numColumns; columnIndex++) {
  94                         defaultNames.addElement(super.getColumnName(columnIndex));
  95                 } // for
  96
  97                 // Setup Data
  98 //              setDataVector(defaultNames, numRows);
  99
 100         } // DefaultTableModel()
 101
 102         /**
 103          * Constructor DefaultTableModel
 104          * @param value0 TODO
 105          * @param value1 TODO
 106          */
 107         public DefaultTableModel(Vector columnNames, int numRows) {
 108
 109                 // Variables
 110                 Vector          data;
 111                 Vector          rowData;
 112                 int             rowIndex;
 113                 int             numColumns;
 114
 115                 // Create Data
 116                 data = new Vector();
 117                 if (columnNames == null) {
 118                         numColumns = 0;
 119                 } else {
 120                         numColumns = columnNames.size();
 121                 } // if
 122                 for (rowIndex = 0; rowIndex < numRows; rowIndex++) {
 123                         rowData = new Vector();
 124                         rowData.setSize(numColumns);
 125                         data.addElement(rowData);
 126                 } // for
 127
 128                 // Setup Data
 129                 setDataVector(data, columnNames);
 130
 131         } // DefaultTableModel()
 132
 133         /**
 134          * Constructor DefaultTableModel
 135          * @param value0 TODO
 136          * @param value1 TODO
 137          */
 138         public DefaultTableModel(Object[] columnNames, int numRows) {
 139                 this(convertToVector(columnNames), numRows);
 140         } // DefaultTableModel()
 141
 142         /**
 143          * Constructor DefaultTableModel
 144          * @param value0 TODO
 145          * @param value1 TODO
 146          */
 147         public DefaultTableModel(Vector data, Vector columnNames) {
 148                 setDataVector(data, columnNames);
 149         } // DefaultTableModel()
 150
 151         /**
 152          * Constructor DefaultTableModel
 153          * @param value0 TODO
 154          * @param value1 TODO
 155          */
 156         public DefaultTableModel(Object[][] data, Object[] columnNames) {
 157                 this(convertToVector(data), convertToVector(columnNames));
 158         } // DefaultTableModel()
 159
 160
 161         //-------------------------------------------------------------
 162         // Methods ----------------------------------------------------
 163         //-------------------------------------------------------------
 164
 165         /**
 166          * getDataVector
 167          * @returns Vector
 168          */
 169         public Vector getDataVector() {
 170                 return dataVector;
 171         } // getDataVector()
 172
 173         /**
 174          * setDataVector
 175          * @param value0 TODO
 176          * @param value1 TODO
 177          */
 178         public void setDataVector(Vector data, Vector columnNames) {
 179
 180                 // Variables
 181                 int     rowIndex;
 182                 int     numRows;
 183                 int     numColumns;
 184                 Vector  columnVector;
 185
 186                 // Set Data
 187                 dataVector = data;
 188                 columnIdentifiers = columnNames;
 189
 190                 // Check Data
 191                 numRows = data.size();
 192                 numColumns = columnNames.size();
 193                 for (rowIndex = 0; rowIndex < numRows; rowIndex++) {
 194                         columnVector = (Vector) dataVector.get(rowIndex);
 195                         columnVector.setSize(numColumns);
 196                 } // for
 197
 198         } // setDataVector()
 199
 200         /**
 201          * setDataVector
 202          * @param value0 TODO
 203          * @param value1 TODO
 204          */
 205         public void setDataVector(Object[][] data, Object[] columnNames) {
 206                 setDataVector(convertToVector(data), convertToVector(columnNames));
 207         } // setDataVector()
 208
 209         /**
 210          * newDataAvailable
 211          * @param value0 TODO
 212          */
 213         public void newDataAvailable(TableModelEvent event) {
 214                 fireTableChanged(event);
 215         } // newDataAvailable()
 216
 217         /**
 218          * newRowsAdded
 219          * @param value0 TODO
 220          */
 221         public void newRowsAdded(TableModelEvent event) {
 222                 // TODO
 223         } // newRowsAdded()
 224
 225         /**
 226          * rowsRemoved
 227          * @param value0 TODO
 228          */
 229         public void rowsRemoved(TableModelEvent event) {
 230                 fireTableChanged(event);
 231         } // rowsRemoved()
 232
 233         /**
 234          * setColumnIdentifiers
 235          * @param value0 TODO
 236          */
 237         public void setColumnIdentifiers(Vector columnIdentifiers) {
 238                 this.columnIdentifiers = columnIdentifiers;
 239                 setColumnCount(columnIdentifiers.size());
 240         } // setColumnIdentifiers()
 241
 242         /**
 243          * setColumnIdentifiers
 244          * @param value0 TODO
 245          */
 246         public void setColumnIdentifiers(Object[] columnIdentifiers) {
 247                 setColumnIdentifiers(convertToVector(columnIdentifiers));
 248         } // setColumnIdentifiers()
 249
 250         /**
 251          * setNumRows
 252          * @param value0 TODO
 253          */
 254         public void setNumRows(int numRows) {
 255                 setRowCount(numRows);
 256         } // setNumRows()
 257
 258         /**
 259          * setRowCount
 260          * @param value0 TODO
 261          */
 262         public void setRowCount(int rowCount) {
 263                 // TODO
 264         } // setRowCount()
 265
 266         /**
 267          * setColumnCount
 268          * @param value0 TODO
 269          */
 270         public void setColumnCount(int columnCount) {
 271                 // TODO
 272         } // setColumnCount()
 273
 274         /**
 275          * addColumn
 276          * @param value0 TODO
 277          */
 278         public void addColumn(Object columnName) {
 279                 addColumn(columnName, new Vector(dataVector.size()));
 280         } // addColumn()
 281
 282         /**
 283          * addColumn
 284          * @param value0 TODO
 285          * @param value1 TODO
 286          */
 287         public void addColumn(Object columnName, Vector columnData) {
 288                 // TODO
 289         } // addColumn()
 290
 291         /**
 292          * addColumn
 293          * @param value0 TODO
 294          * @param value1 TODO
 295          */
 296         public void addColumn(Object columnName, Object[] columnData) {
 297                 // TODO
 298         } // addColumn()
 299
 300         /**
 301          * addRow
 302          * @param value0 TODO
 303          */
 304         public void addRow(Vector rowData) {
 305                 // TODO
 306         } // addRow()
 307
 308         /**
 309          * addRow
 310          * @param value0 TODO
 311          */
 312         public void addRow(Object[] rowData) {
 313                 addRow(convertToVector(rowData));
 314         } // addRow()
 315
 316         /**
 317          * insertRow
 318          * @param value0 TODO
 319          * @param value1 TODO
 320          */
 321         public void insertRow(int row, Vector rowData) {
 322                 dataVector.add(row, rowData);
 323         } // insertRow()
 324
 325         /**
 326          * insertRow
 327          * @param value0 TODO
 328          * @param value1 TODO
 329          */
 330         public void insertRow(int row, Object[] rowData) {
 331                 insertRow(row, convertToVector(rowData));
 332         } // insertRow()
 333
 334         /**
 335          * moveRow
 336          * @param value0 TODO
 337          * @param value1 TODO
 338          * @param value2 TODO
 339          */
 340         public void moveRow(int startIndex, int endIndex, int toIndex) {
 341
 342                 // Variables
 343                 int             index;
 344                 Vector  vector;
 345
 346                 // Move Rows
 347                 for (index = 0; index < (endIndex - startIndex); index++) {
 348                         vector = (Vector) dataVector.remove(startIndex);
 349                         dataVector.add(toIndex, vector);
 350                 } // for
 351
 352         } // moveRow()
 353
 354         /**
 355          * removeRow
 356          * @param value0 TODO
 357          */
 358         public void removeRow(int row) {
 359                 dataVector.remove(row);
 360         } // removeRow()
 361
 362         /**
 363          * getRowCount
 364          * @returns int
 365          */
 366         public int getRowCount() {
 367                 return dataVector.size();
 368         } // getRowCount()
 369
 370         /**
 371          * getColumnCount
 372          * @returns int
 373          */
 374         public int getColumnCount() {
 375                 return columnIdentifiers.size();
 376         } // getColumnCount()
 377
 378         /**
 379          * getColumnName
 380          * @param value0 TODO
 381          * @returns String
 382          */
 383         public String getColumnName(int column) {
 384
 385                 // Check for Column
 386                 if (columnIdentifiers == null || column >= getColumnCount()) {
 387                         return super.getColumnName(column);
 388                 } // if
 389
 390                 // Return Column name
 391                 return (String) columnIdentifiers.get(column);
 392
 393         } // getColumnName()
 394
 395         /**
 396          * isCellEditable
 397          * @param value0 TODO
 398          * @param value1 TODO
 399          * @returns boolean
 400          */
 401         public boolean isCellEditable(int row, int column) {
 402                 return true;
 403         } // isCellEditable()
 404
 405         /**
 406          * getValueAt
 407          * @param value0 TODO
 408          * @param value1 TODO
 409          * @returns Object
 410          */
 411         public Object getValueAt(int row, int column) {
 412
 413                 // Variables
 414                 Vector  rowVector;
 415
 416                 // Get Row Vector
 417                 rowVector = (Vector) dataVector.get(row);
 418
 419                 // Get Data
 420                 return rowVector.get(column);
 421
 422         } // getValueAt()
 423
 424         /**
 425          * setValueAt
 426          * @param value0 TODO
 427          * @param value1 TODO
 428          * @param value2 TODO
 429          */
 430         public void setValueAt(Object value, int row, int column) {
 431
 432                 // Variables
 433                 Vector  rowVector;
 434
 435                 // Get Row Vector
 436                 rowVector = (Vector) dataVector.get(row);
 437
 438                 // Set Data
 439                 rowVector.remove(column);
 440                 rowVector.add(column, value);
 441
 442         } // setValueAt()
 443
 444         /**
 445          * convertToVector
 446          * @param value0 TODO
 447          * @returns Vector
 448          */
 449         protected static Vector convertToVector(Object[] data) {
 450
 451                 // Variables
 452                 int     index;
 453                 Vector  vector;
 454
 455                 // Check for null
 456                 if (data == null) {
 457                         return null;
 458                 } // if
 459
 460                 // Process
 461                 vector = new Vector();
 462                 for (index = 0; index < data.length; index++) {
 463                         vector.add(data[index]);
 464                 } // for: index
 465
 466                 // Return new Vector
 467                 return vector;
 468
 469         } // convertToVector()
 470
 471         /**
 472          * convertToVector
 473          * @param value0 TODO
 474          * @returns Vector
 475          */
 476         protected static Vector convertToVector(Object[][] data) {
 477
 478                 // Variables
 479                 int     index;
 480                 Vector  vector;
 481
 482                 // Process
 483                 vector = new Vector();
 484                 for (index = 0; index < data.length; index++) {
 485                         vector.add(convertToVector(data[index]));
 486                 } // for: index
 487
 488                 // Return new Vector
 489                 return vector;
 490
 491         } // convertToVector()
 492
 493
 494 } // DefaultTableModel