|
1
4 package com.tc.admin.common;
5
6 import java.awt.event.KeyEvent  ;
7 import java.awt.event.MouseAdapter ;
8 import java.awt.event.MouseEvent ;
9 import java.awt.event.MouseListener ;
10
11 import javax.swing.Action ;
12 import javax.swing.ActionMap ;
13 import javax.swing.InputMap ;
14 import javax.swing.JPopupMenu ;
15 import javax.swing.KeyStroke ;
16 import javax.swing.SwingUtilities ;
17 import javax.swing.tree.TreeModel ;
18 import javax.swing.tree.TreePath ;
19
20 public class XTree extends org.dijon.Tree {
21 protected JPopupMenu m_popupMenu;
22
23 public XTree() {
24 super();
25
26 setShowsRootHandles(true);
27 setRootVisible(false);
28 setCellRenderer(new XTreeCellRendererDelegate());
29
30 MouseListener ml = new MouseAdapter () {
31 public void mousePressed(MouseEvent e) {
32 testPopup(e);
33 }
34
35 public void mouseReleased(MouseEvent e) {
36 testPopup(e);
37 }
38
39 public void testPopup(MouseEvent e) {
40 if(e.isPopupTrigger()) {
41 TreePath path = getPathForLocation(e.getX(), e.getY());
42 XTreeNode node = path != null ? (XTreeNode)path.getLastPathComponent() : null;
43 JPopupMenu menu = node != null ? node.getPopupMenu() : XTree.this.getPopupMenu();
44
45 if(menu != null) {
46 menu.show(XTree.this, e.getX(), e.getY());
47 }
48 }
49 }
50 };
51 addMouseListener(ml);
52 }
53
54 public void setPopupMenu(JPopupMenu popupMenu) {
55 if(popupMenu != null) {
56 add(m_popupMenu = popupMenu);
57 }
58 }
59
60 public JPopupMenu getPopupMenu() {
61 return m_popupMenu;
62 }
63
64 private Action getAction(KeyStroke ks) {
65 Action result = null;
66 XTreeNode node = (XTreeNode)getLastSelectedPathComponent();
67
68 while(node != null) {
69 ActionMap actionMap = node.getActionMap();
70
71 if(actionMap != null) {
72 InputMap inputMap = node.getInputMap();
73
74 if(inputMap != null) {
75 Object binding = inputMap.get(ks);
76
77 if(binding != null) {
78 if((result = actionMap.get(binding)) != null) {
79 return result;
80 }
81 }
82 }
83 }
84
85 node = (XTreeNode)node.getParent();
86 }
87
88 return null;
89 }
90
91 protected boolean processKeyBinding(KeyStroke ks, KeyEvent e,
92 int condition, boolean pressed)
93 {
94 Action action = getAction(ks);
95
96 if(action != null) {
97 return SwingUtilities.notifyAction(action, ks, e, this, e.getModifiers());
98 }
99 else {
100 return super.processKeyBinding(ks, e, condition, pressed);
101 }
102 }
103
104 public void setModel(TreeModel model) {
105 super.setModel(model);
106 selectTop();
107 }
108
109 public void selectTop() {
110 if(getRowCount() > 0) {
111 setSelectionRow(0);
112 expandTop();
113 }
114 }
115
116 public void expandTop() {
117 expandRow(0);
118 }
119
120 public void expandAll() {
121 XRootNode root = (XRootNode)((XTreeModel)getModel()).getRoot();
122 XTreeNode node = (XTreeNode)root.getFirstLeaf();
123 XTreeNode parent;
124
125 while(node != null) {
126 parent = (XTreeNode)node.getParent();
127
128 if(parent != null) {
129 expandPath(new TreePath (parent.getPath()));
130 }
131
132 node = (XTreeNode)node.getNextLeaf();
133 }
134
135 revalidate();
136 repaint();
137 }
138 }
139 |
Popular Tags |
Java API By Example, From Geeks To Geeks.