Mercurial > hg > truffle
diff agent/src/share/classes/sun/jvm/hotspot/ui/treetable/AbstractTreeTableModel.java @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
---|---|
date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/agent/src/share/classes/sun/jvm/hotspot/ui/treetable/AbstractTreeTableModel.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,206 @@ +/* + * Copyright 2001 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.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) + */ +}