| /* |
| * @(#)TreeTableModelAdapter.java 1.2 98/10/27 |
| * |
| * Copyright 1997, 1998 by Sun Microsystems, Inc., |
| * 901 San Antonio Road, Palo Alto, California, 94303, U.S.A. |
| * All rights reserved. |
| * |
| * This software is the confidential and proprietary information |
| * of Sun Microsystems, Inc. ("Confidential Information"). You |
| * shall not disclose such Confidential Information and shall use |
| * it only in accordance with the terms of the license agreement |
| * you entered into with Sun. |
| */ |
| package net.sf.taverna.t2.lang.ui.treetable; |
| |
| import javax.swing.JTree; |
| import javax.swing.SwingUtilities; |
| import javax.swing.event.TreeExpansionEvent; |
| import javax.swing.event.TreeExpansionListener; |
| import javax.swing.event.TreeModelEvent; |
| import javax.swing.event.TreeModelListener; |
| import javax.swing.table.AbstractTableModel; |
| import javax.swing.tree.TreePath; |
| |
| /** |
| * This is a wrapper class takes a TreeTableModel and implements |
| * the table model interface. The implementation is trivial, with |
| * all of the event dispatching support provided by the superclass: |
| * the AbstractTableModel. |
| * |
| * @version 1.2 10/27/98 |
| * |
| * @author Philip Milne |
| * @author Scott Violet |
| */ |
| @SuppressWarnings("serial") |
| public class TreeTableModelAdapter extends AbstractTableModel |
| { |
| JTree tree; |
| TreeTableModel treeTableModel; |
| |
| public TreeTableModelAdapter(TreeTableModel treeTableModel, JTree tree) { |
| this.tree = tree; |
| this.treeTableModel = treeTableModel; |
| |
| tree.addTreeExpansionListener(new TreeExpansionListener() { |
| // Don't use fireTableRowsInserted() here; the selection model |
| // would get updated twice. |
| public void treeExpanded(TreeExpansionEvent event) { |
| fireTableDataChanged(); |
| } |
| public void treeCollapsed(TreeExpansionEvent event) { |
| fireTableDataChanged(); |
| } |
| }); |
| |
| // Install a TreeModelListener that can update the table when |
| // tree changes. We use delayedFireTableDataChanged as we can |
| // not be guaranteed the tree will have finished processing |
| // the event before us. |
| treeTableModel.addTreeModelListener(new TreeModelListener() { |
| public void treeNodesChanged(TreeModelEvent e) { |
| delayedFireTableDataChanged(); |
| } |
| |
| public void treeNodesInserted(TreeModelEvent e) { |
| delayedFireTableDataChanged(); |
| } |
| |
| public void treeNodesRemoved(TreeModelEvent e) { |
| delayedFireTableDataChanged(); |
| } |
| |
| public void treeStructureChanged(TreeModelEvent e) { |
| delayedFireTableDataChanged(); |
| } |
| }); |
| } |
| |
| // Wrappers, implementing TableModel interface. |
| |
| public int getColumnCount() { |
| return treeTableModel.getColumnCount(); |
| } |
| |
| public String getColumnName(int column) { |
| return treeTableModel.getColumnName(column); |
| } |
| |
| public Class getColumnClass(int column) { |
| return treeTableModel.getColumnClass(column); |
| } |
| |
| public int getRowCount() { |
| return tree.getRowCount(); |
| } |
| |
| protected Object nodeForRow(int row) { |
| TreePath treePath = tree.getPathForRow(row); |
| if (treePath == null) { |
| return null; |
| } |
| return treePath.getLastPathComponent(); |
| } |
| |
| public Object getValueAt(int row, int column) { |
| return treeTableModel.getValueAt(nodeForRow(row), column); |
| } |
| |
| public boolean isCellEditable(int row, int column) { |
| return treeTableModel.isCellEditable(nodeForRow(row), column); |
| } |
| |
| public void setValueAt(Object value, int row, int column) { |
| treeTableModel.setValueAt(value, nodeForRow(row), column); |
| } |
| |
| /** |
| * Invokes fireTableDataChanged after all the pending events have been |
| * processed. SwingUtilities.invokeLater is used to handle this. |
| */ |
| protected void delayedFireTableDataChanged() { |
| SwingUtilities.invokeLater(new Runnable() { |
| public void run() { |
| TreePath[] selected = tree.getSelectionPaths(); |
| fireTableDataChanged(); |
| tree.setSelectionPaths(selected); |
| } |
| }); |
| } |
| } |
| |