Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/ui/tree/SimpleTreeModel.java @ 1913:3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
Summary: Allow CONSTANT_InvokeDynamic nodes to have any number of extra operands.
Reviewed-by: twisti
author | jrose |
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date | Sat, 30 Oct 2010 13:08:23 -0700 |
parents | c18cbe5936b8 |
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rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2000, 2001, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 package sun.jvm.hotspot.ui.tree; | |
26 | |
27 import java.util.*; | |
28 import javax.swing.*; | |
29 import javax.swing.event.*; | |
30 import javax.swing.tree.*; | |
31 | |
32 /** A very simple tree model which allows the root to be set, so we | |
33 can reuse the same model for various types of data; the | |
34 specialization is contained within the nodes. This tree model | |
35 operates on SimpleTreeNodes. */ | |
36 | |
37 public class SimpleTreeModel implements TreeModel { | |
38 private static final SimpleTreeNode singletonNullRoot = new SimpleTreeNode() { | |
39 public int getChildCount() { return 0; } | |
40 public SimpleTreeNode getChild(int index) { return null; } | |
41 public boolean isLeaf() { return true; } | |
42 public int getIndexOfChild(SimpleTreeNode child) { return 0; } | |
43 public String toString() { return ""; } | |
44 public String getName() { return toString(); } | |
45 public String getValue() { return toString(); } | |
46 }; | |
47 private SimpleTreeNode root = singletonNullRoot; | |
48 /** List<TreeModelListener> */ | |
49 private List listeners = new ArrayList(); | |
50 | |
51 public void setRoot(SimpleTreeNode node) { | |
52 if (node != null) { | |
53 root = node; | |
54 } else { | |
55 root = singletonNullRoot; | |
56 } | |
57 fireTreeStructureChanged(); | |
58 } | |
59 | |
60 public Object getRoot() { | |
61 return root; | |
62 } | |
63 | |
64 public Object getChild(Object parent, int index) { | |
65 return ((SimpleTreeNode) parent).getChild(index); | |
66 } | |
67 | |
68 public int getChildCount(Object parent) { | |
69 return ((SimpleTreeNode) parent).getChildCount(); | |
70 } | |
71 | |
72 public boolean isLeaf(Object node) { | |
73 if (node == null) { | |
74 return true; | |
75 } | |
76 return ((SimpleTreeNode) node).isLeaf(); | |
77 } | |
78 | |
79 /** Unsupported operation */ | |
80 public void valueForPathChanged(TreePath path, Object newValue) { | |
81 throw new UnsupportedOperationException(); | |
82 } | |
83 | |
84 public int getIndexOfChild(Object parent, Object child) { | |
85 return ((SimpleTreeNode) parent).getIndexOfChild((SimpleTreeNode) child); | |
86 } | |
87 | |
88 public void addTreeModelListener(TreeModelListener l) { | |
89 listeners.add(l); | |
90 } | |
91 | |
92 public void removeTreeModelListener(TreeModelListener l) { | |
93 listeners.remove(l); | |
94 } | |
95 | |
96 public void fireTreeStructureChanged() { | |
97 TreeModelEvent e = new TreeModelEvent(getRoot(), new Object[] { getRoot() }, null, null); | |
98 for (Iterator iter = listeners.iterator(); iter.hasNext(); ) { | |
99 TreeModelListener l = (TreeModelListener) iter.next(); | |
100 l.treeStructureChanged(e); | |
101 } | |
102 } | |
103 } |