/*
* @(#)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 org.owasp.webscarab.util.swing.treetable;
import javax.swing.JTree;
import javax.swing.SwingUtilities;
import javax.swing.table.AbstractTableModel;
import javax.swing.tree.TreePath;
import javax.swing.event.TreeExpansionEvent;
import javax.swing.event.TreeExpansionListener;
import javax.swing.event.TreeModelEvent;
import javax.swing.event.TreeModelListener;
/**
* 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
*/
public class TreeTableModelAdapter extends AbstractTableModel
{
/**
*
*/
private static final long serialVersionUID = -2642749773572911903L;
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.
//
// FIXME we are ignoring the above warning, and trying to do the
// relevant calculations directly. This may break something
// but I guess we won't know if we don't try!
treeTableModel.addTreeModelListener(new TreeModelListener() {
public void treeNodesChanged(TreeModelEvent e) {
int row = TreeTableModelAdapter.this.tree.getRowForPath(e.getTreePath());
if (row < 0) return; // parent is not visible
// This is painful! Why does the relevant TreePath constructor have to be protected?!
Object[] children = e.getChildren();
Object[] path = e.getTreePath().getPath();
Object[] childPath = new Object[path.length+1];
System.arraycopy(path, 0, childPath, 0, path.length);
childPath[childPath.length - 1] = children[0];
TreePath firstChildChanged = new TreePath(childPath);
int firstRow = TreeTableModelAdapter.this.tree.getRowForPath(firstChildChanged);
childPath[childPath.length - 1] = children[children.length-1];
TreePath lastChildChanged = new TreePath(childPath);
int lastRow = TreeTableModelAdapter.this.tree.getRowForPath(lastChildChanged);
if (firstRow * lastRow < 0) System.err.println("First row is " + firstRow + " and last row is " + lastRow);
if (firstRow < 0 || lastRow < 0) return;
if (e instanceof TreeTableModelEvent && firstRow == lastRow) {
int column = ((TreeTableModelEvent) e).getColumn();
delayedFireTableCellUpdated(firstRow, column);
} else {
delayedFireTableRowsUpdated(firstRow, lastRow);
}
}
public void treeNodesInserted(TreeModelEvent e) {
delayedFireTableDataChanged();
}
public void treeNodesRemoved(TreeModelEvent e) {
delayedFireTableDataChanged();
}
public void treeStructureChanged(TreeModelEvent e) {
delayedFireTableStructureChanged();
}
});
}
// 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);
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() {
fireTableDataChanged();
}
});
}
/**
* Invokes fireTableDataChanged after all the pending events have been
* processed. SwingUtilities.invokeLater is used to handle this.
*/
protected void delayedFireTableCellUpdated(final int row, final int column) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
fireTableCellUpdated(row, column);
}
});
}
/**
* Invokes fireTableDataChanged after all the pending events have been
* processed. SwingUtilities.invokeLater is used to handle this.
*/
protected void delayedFireTableRowsUpdated(final int first, final int last) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
fireTableRowsUpdated(first, last);
}
});
}
/**
* Invokes fireTableDataChanged after all the pending events have been
* processed. SwingUtilities.invokeLater is used to handle this.
*/
protected void delayedFireTableStructureChanged() {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
fireTableStructureChanged();
}
});
}
}