252 /**
253 * Returns the index of the first column in the <code>tableColumns</code>
254 * array whose identifier is equal to <code>identifier</code>,
255 * when compared using <code>equals</code>.
256 *
257 * @param identifier the identifier object
258 * @return the index of the first column in the
259 * <code>tableColumns</code> array whose identifier
260 * is equal to <code>identifier</code>
261 * @exception IllegalArgumentException if <code>identifier</code>
262 * is <code>null</code>, or if no
263 * <code>TableColumn</code> has this
264 * <code>identifier</code>
265 * @see #getColumn
266 */
267 public int getColumnIndex(Object identifier) {
268 if (identifier == null) {
269 throw new IllegalArgumentException("Identifier is null");
270 }
271
272 Enumeration enumeration = getColumns();
273 TableColumn aColumn;
274 int index = 0;
275
276 while (enumeration.hasMoreElements()) {
277 aColumn = (TableColumn)enumeration.nextElement();
278 // Compare them this way in case the column's identifier is null.
279 if (identifier.equals(aColumn.getIdentifier()))
280 return index;
281 index++;
282 }
283 throw new IllegalArgumentException("Identifier not found");
284 }
285
286 /**
287 * Returns the <code>TableColumn</code> object for the column
288 * at <code>columnIndex</code>.
289 *
290 * @param columnIndex the index of the column desired
291 * @return the <code>TableColumn</code> object for the column
292 * at <code>columnIndex</code>
293 */
294 public TableColumn getColumn(int columnIndex) {
295 return tableColumns.elementAt(columnIndex);
296 }
297
709 public void valueChanged(ListSelectionEvent e) {
710 fireColumnSelectionChanged(e);
711 }
712
713 //
714 // Protected Methods
715 //
716
717 /**
718 * Creates a new default list selection model.
719 */
720 protected ListSelectionModel createSelectionModel() {
721 return new DefaultListSelectionModel();
722 }
723
724 /**
725 * Recalculates the total combined width of all columns. Updates the
726 * <code>totalColumnWidth</code> property.
727 */
728 protected void recalcWidthCache() {
729 Enumeration enumeration = getColumns();
730 totalColumnWidth = 0;
731 while (enumeration.hasMoreElements()) {
732 totalColumnWidth += ((TableColumn)enumeration.nextElement()).getWidth();
733 }
734 }
735
736 private void invalidateWidthCache() {
737 totalColumnWidth = -1;
738 }
739
740 } // End of class DefaultTableColumnModel
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252 /**
253 * Returns the index of the first column in the <code>tableColumns</code>
254 * array whose identifier is equal to <code>identifier</code>,
255 * when compared using <code>equals</code>.
256 *
257 * @param identifier the identifier object
258 * @return the index of the first column in the
259 * <code>tableColumns</code> array whose identifier
260 * is equal to <code>identifier</code>
261 * @exception IllegalArgumentException if <code>identifier</code>
262 * is <code>null</code>, or if no
263 * <code>TableColumn</code> has this
264 * <code>identifier</code>
265 * @see #getColumn
266 */
267 public int getColumnIndex(Object identifier) {
268 if (identifier == null) {
269 throw new IllegalArgumentException("Identifier is null");
270 }
271
272 Enumeration<TableColumn> enumeration = getColumns();
273 TableColumn aColumn;
274 int index = 0;
275
276 while (enumeration.hasMoreElements()) {
277 aColumn = enumeration.nextElement();
278 // Compare them this way in case the column's identifier is null.
279 if (identifier.equals(aColumn.getIdentifier()))
280 return index;
281 index++;
282 }
283 throw new IllegalArgumentException("Identifier not found");
284 }
285
286 /**
287 * Returns the <code>TableColumn</code> object for the column
288 * at <code>columnIndex</code>.
289 *
290 * @param columnIndex the index of the column desired
291 * @return the <code>TableColumn</code> object for the column
292 * at <code>columnIndex</code>
293 */
294 public TableColumn getColumn(int columnIndex) {
295 return tableColumns.elementAt(columnIndex);
296 }
297
709 public void valueChanged(ListSelectionEvent e) {
710 fireColumnSelectionChanged(e);
711 }
712
713 //
714 // Protected Methods
715 //
716
717 /**
718 * Creates a new default list selection model.
719 */
720 protected ListSelectionModel createSelectionModel() {
721 return new DefaultListSelectionModel();
722 }
723
724 /**
725 * Recalculates the total combined width of all columns. Updates the
726 * <code>totalColumnWidth</code> property.
727 */
728 protected void recalcWidthCache() {
729 Enumeration<TableColumn> enumeration = getColumns();
730 totalColumnWidth = 0;
731 while (enumeration.hasMoreElements()) {
732 totalColumnWidth += enumeration.nextElement().getWidth();
733 }
734 }
735
736 private void invalidateWidthCache() {
737 totalColumnWidth = -1;
738 }
739
740 } // End of class DefaultTableColumnModel
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