Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/ui/treetable/AbstractTreeTableModel.java @ 11997:cd25d3be91c5
8012144: multiple SIGSEGVs fails on staxf
Summary: Forward port of 7u change to add additional fence() on RMO platforms, with a load_acquire on all platforms
Reviewed-by: dholmes, kvn
author | vladidan |
---|---|
date | Tue, 06 Aug 2013 20:01:40 -0400 |
parents | c18cbe5936b8 |
children |
line wrap: on
line source
/* * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ package sun.jvm.hotspot.ui.treetable; import javax.swing.tree.*; import javax.swing.event.*; /** * An abstract implementation of the TreeTableModel interface, handling the list * of listeners. * @author Philip Milne */ public abstract class AbstractTreeTableModel implements TreeTableModel { protected Object root; protected EventListenerList listenerList = new EventListenerList(); public AbstractTreeTableModel(Object root) { this.root = root; } // // Default implmentations for methods in the TreeModel interface. // public Object getRoot() { return root; } public boolean isLeaf(Object node) { return getChildCount(node) == 0; } public void valueForPathChanged(TreePath path, Object newValue) {} // This is not called in the JTree's default mode: use a naive implementation. public int getIndexOfChild(Object parent, Object child) { for (int i = 0; i < getChildCount(parent); i++) { if (getChild(parent, i).equals(child)) { return i; } } return -1; } public void addTreeModelListener(TreeModelListener l) { listenerList.add(TreeModelListener.class, l); } public void removeTreeModelListener(TreeModelListener l) { listenerList.remove(TreeModelListener.class, l); } /* * Notify all listeners that have registered interest for * notification on this event type. The event instance * is lazily created using the parameters passed into * the fire method. * @see EventListenerList */ protected void fireTreeNodesChanged(Object source, Object[] path, int[] childIndices, Object[] children) { // Guaranteed to return a non-null array Object[] listeners = listenerList.getListenerList(); TreeModelEvent e = null; // Process the listeners last to first, notifying // those that are interested in this event for (int i = listeners.length-2; i>=0; i-=2) { if (listeners[i]==TreeModelListener.class) { // Lazily create the event: if (e == null) e = new TreeModelEvent(source, path, childIndices, children); ((TreeModelListener)listeners[i+1]).treeNodesChanged(e); } } } /* * Notify all listeners that have registered interest for * notification on this event type. The event instance * is lazily created using the parameters passed into * the fire method. * @see EventListenerList */ protected void fireTreeNodesInserted(Object source, Object[] path, int[] childIndices, Object[] children) { // Guaranteed to return a non-null array Object[] listeners = listenerList.getListenerList(); TreeModelEvent e = null; // Process the listeners last to first, notifying // those that are interested in this event for (int i = listeners.length-2; i>=0; i-=2) { if (listeners[i]==TreeModelListener.class) { // Lazily create the event: if (e == null) e = new TreeModelEvent(source, path, childIndices, children); ((TreeModelListener)listeners[i+1]).treeNodesInserted(e); } } } /* * Notify all listeners that have registered interest for * notification on this event type. The event instance * is lazily created using the parameters passed into * the fire method. * @see EventListenerList */ protected void fireTreeNodesRemoved(Object source, Object[] path, int[] childIndices, Object[] children) { // Guaranteed to return a non-null array Object[] listeners = listenerList.getListenerList(); TreeModelEvent e = null; // Process the listeners last to first, notifying // those that are interested in this event for (int i = listeners.length-2; i>=0; i-=2) { if (listeners[i]==TreeModelListener.class) { // Lazily create the event: if (e == null) e = new TreeModelEvent(source, path, childIndices, children); ((TreeModelListener)listeners[i+1]).treeNodesRemoved(e); } } } /* * Notify all listeners that have registered interest for * notification on this event type. The event instance * is lazily created using the parameters passed into * the fire method. * @see EventListenerList */ protected void fireTreeStructureChanged(Object source, Object[] path, int[] childIndices, Object[] children) { // Guaranteed to return a non-null array Object[] listeners = listenerList.getListenerList(); TreeModelEvent e = null; // Process the listeners last to first, notifying // those that are interested in this event for (int i = listeners.length-2; i>=0; i-=2) { if (listeners[i]==TreeModelListener.class) { // Lazily create the event: if (e == null) e = new TreeModelEvent(source, path, childIndices, children); ((TreeModelListener)listeners[i+1]).treeStructureChanged(e); } } } // // Default impelmentations for methods in the TreeTableModel interface. // public Class getColumnClass(int column) { return Object.class; } /** By default, make the column with the Tree in it the only editable one. * Making this column editable causes the JTable to forward mouse * and keyboard events in the Tree column to the underlying JTree. */ public boolean isCellEditable(Object node, int column) { return getColumnClass(column) == TreeTableModel.class; } public void setValueAt(Object aValue, Object node, int column) {} // Left to be implemented in the subclass: /* * public Object getChild(Object parent, int index) * public int getChildCount(Object parent) * public int getColumnCount() * public String getColumnName(Object node, int column) * public Object getValueAt(Object node, int column) */ }