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1 package org.oddjob.monitor.model;
2
3 import java.util.Enumeration  ;
4 import java.util.LinkedList ;
5 import java.util.Vector ;
6
7 import javax.swing.SwingUtilities ;
8 import javax.swing.event.TreeModelEvent ;
9 import javax.swing.event.TreeModelListener ;
10 import javax.swing.tree.TreeModel ;
11 import javax.swing.tree.TreeNode ;
12 import javax.swing.tree.TreePath ;
13
14
15
20 public class JobTreeModel implements TreeModel {
21
22
23 private final Vector tmListeners = new Vector ();
24
25
26 private JobTreeNode root;
27
28
33 public void setRootTreeNode(JobTreeNode node) {
34 this.root = node;
35 }
36
37
41 public void addTreeModelListener(TreeModelListener tml) {
42 synchronized (tmListeners) {
43 tmListeners.add(tml);
44 }
45 }
46
47
51 public Object getChild(Object parent, int index) {
52 return ((JobTreeNode)parent).getChildAt(index);
53 }
54
55
59 public boolean isLeaf(Object node) {
60 return ((JobTreeNode)node).isLeaf();
61 }
62
63
67 public int getChildCount(Object parent) {
68 return ((JobTreeNode)parent).getChildCount();
69 }
70
71
75 public int getIndexOfChild(Object parent, Object child) {
76 return ((JobTreeNode)parent).getIndex((JobTreeNode)child);
77 }
78
79
83 public Object getRoot() {
84 return root;
85 }
86
87 public void removeTreeModelListener(TreeModelListener tml) {
88 tmListeners.remove(tml);
89 }
90
91
95 public void valueForPathChanged(TreePath path, Object newValue) {
96 throw new UnsupportedOperationException ("Don't need valueForPathChanged!");
97 }
98
99 public void fireTreeNodesChanged(TreeNode changed) {
100
101 LinkedList list = new LinkedList ();
102 for (TreeNode i = changed; i != null; i = i.getParent()) {
103 list.addFirst(i);
104 }
105
106 final TreeModelEvent event = new TreeModelEvent (changed, list.toArray());
107
108 synchronized (tmListeners) {
109 for (Enumeration e = tmListeners.elements();
110 e.hasMoreElements(); ) {
111 final TreeModelListener tml = (TreeModelListener )e.nextElement();
112 Runnable r = new Runnable () {
113 public void run() {
114 tml.treeNodesChanged(event);
115 }
116 };
117 if (SwingUtilities.isEventDispatchThread()) {
118 r.run();
119 } else {
120 SwingUtilities.invokeLater(r);
121 }
122 }
123 }
124 }
125
126 public void fireTreeNodesInserted(TreeNode changed, JobTreeNode child, int index) {
127
128 LinkedList list = new LinkedList ();
129
130 for (TreeNode i = changed; i != null; i = i.getParent()) {
131 list.addFirst(i);
132 }
133
134 int childIndecies[] = {index};
135 Object children [] = {child};
136
137 final TreeModelEvent event = new TreeModelEvent (changed, list.toArray(),
138 childIndecies, children);
139
140 synchronized (tmListeners) {
141 for (Enumeration e = tmListeners.elements();
142 e.hasMoreElements(); ) {
143 final TreeModelListener tml = (TreeModelListener )e.nextElement();
144 Runnable r = new Runnable () {
145 public void run() {
146 tml.treeNodesInserted(event);
147 }
148 };
149 if (SwingUtilities.isEventDispatchThread()) {
150 r.run();
151 } else {
152 SwingUtilities.invokeLater(r);
153 }
154 }
155 }
156 }
157
158 public void fireTreeNodesRemoved(TreeNode changed, JobTreeNode child, int index) {
159
160 LinkedList list = new LinkedList ();
161
162 for (TreeNode i = changed; i != null; i = i.getParent()) {
163
164 list.addFirst(i);
165 }
166
167 int childIndecies[] = {index};
168 Object children [] = {child};
169
170 final TreeModelEvent event = new TreeModelEvent (changed, list.toArray(),
171 childIndecies, children);
172
173 synchronized (tmListeners) {
174 for (Enumeration e = tmListeners.elements();
175 e.hasMoreElements(); ) {
176 final TreeModelListener tml = (TreeModelListener )e.nextElement();
177 Runnable r = new Runnable () {
178 public void run() {
179 tml.treeNodesRemoved(event);
180 }
181 };
182 if (SwingUtilities.isEventDispatchThread()) {
183 r.run();
184 } else {
185 SwingUtilities.invokeLater(r);
186 }
187 }
188 }
189 }
190 }
191 |
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