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1 package org.oddjob.designer.view;
2
3 import java.awt.BorderLayout  ;
4 import java.awt.Dimension ;
5 import java.awt.event.MouseAdapter ;
6 import java.awt.event.MouseEvent ;
7
8 import javax.swing.JPanel ;
9 import javax.swing.JScrollPane ;
10 import javax.swing.JSplitPane ;
11 import javax.swing.JTree ;
12 import javax.swing.event.TreeModelEvent ;
13 import javax.swing.event.TreeModelListener ;
14 import javax.swing.event.TreeSelectionEvent ;
15 import javax.swing.event.TreeSelectionListener ;
16 import javax.swing.tree.TreePath ;
17 import javax.swing.tree.TreeSelectionModel ;
18
19 import org.oddjob.designer.Looks;
20 import org.oddjob.designer.actions.DCTransferHandler;
21 import org.oddjob.designer.model.DesignTreeNode;
22 import org.oddjob.designer.model.DesignerModel;
23
24
29
30 public class DesignerPanel extends JPanel {
31
32
33 private final JTree tree;
34
35 private final JScrollPane treeScroll;
36
37 private final DesignerMenuBar menuBar;
38
39
44
45 public DesignerPanel(final DesignerModel model, DesignerMenuBar menuBar) {
46 this.menuBar = menuBar;
48
49 tree = new JTree (model.getTreeModel());
51 tree.setShowsRootHandles(true);
52 tree.setExpandsSelectedPaths(true);
53 tree.getModel().addTreeModelListener(new TreeModelListener () {
54 public void treeNodesChanged(TreeModelEvent e) {
55 }
56 public void treeNodesInserted(TreeModelEvent e) {
57 TreePath p = e.getTreePath().pathByAddingChild(e.getChildren()[0]);
58 tree.setSelectionPath(p);
59 }
60 public void treeNodesRemoved(TreeModelEvent e) {
61 tree.setSelectionPath(null);
62 }
63 public void treeStructureChanged(TreeModelEvent e) {
64 }
65 });
66
67 tree.setDragEnabled(true);
69 DCTransferHandler transferHandler = new DCTransferHandler(model);
70 tree.setTransferHandler(transferHandler);
71
72 tree.getSelectionModel().setSelectionMode
73 (TreeSelectionModel.SINGLE_TREE_SELECTION);
74
75 tree.addTreeSelectionListener(new TreeSelectionListener () {
76 public void valueChanged(TreeSelectionEvent event) {
77 JTree tree = (JTree )event.getSource();
79 DesignTreeNode node = (DesignTreeNode)tree.getLastSelectedPathComponent();
80 model.setCurrentSelection(node);
81 }
82 });
83
84 tree.addMouseListener(new PopupListener());
85
86 setLayout(new BorderLayout ());
87 treeScroll = new JScrollPane ();
88 treeScroll.setPreferredSize(new Dimension (
89 Looks.DESIGNER_TREE_WIDTH, Looks.DESIGNER_HEIGHT));
90
91 treeScroll.setViewportView(tree);
92
93 DesignerDetail dd = new DesignerDetail();
95 dd.setPreferredSize(new Dimension (
96 Looks.DETAIL_FORM_WIDTH, Looks.DESIGNER_HEIGHT));
97 model.addObserver(dd);
98
99 JSplitPane split = new JSplitPane (JSplitPane.HORIZONTAL_SPLIT,
100 treeScroll, dd);
101
102 add(split);
103
104 }
105
106 class PopupListener extends MouseAdapter {
107 public void mousePressed(MouseEvent e) {
108 maybeShowPopup(e);
109 }
110 public void mouseClicked(MouseEvent e) {
111 maybeShowPopup(e);
112 }
113 public void mouseReleased(MouseEvent e) {
114 maybeShowPopup(e);
115 }
116
117 private void maybeShowPopup(MouseEvent e) {
118 if (!e.isPopupTrigger()) {
119 return;
120 }
121 TreePath path = tree.getPathForLocation(e.getX(), e.getY());
122 tree.setSelectionPath(path);
123 if (menuBar.getPopupMenu() != null) {
124 menuBar.getPopupMenu().show(e.getComponent(), e.getX(), e.getY());
125 }
126 }
127 }
128
129 }
130 |
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