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14 package wingset;
15
16 import org.wings.*;
17 import org.wings.util.PropertyAccessor;
18
19 import javax.swing.tree.DefaultTreeModel  ;
20 import java.awt.event.ActionEvent ;
21 import java.awt.event.ActionListener ;
22 import java.awt.event.ItemEvent ;
23 import java.awt.event.ItemListener ;
24
25
29 public class TreeExample
30 extends WingSetPane {
31 private STree tree;
32 private static SIcon ARROW_DOWN = new SResourceIcon("org/wings/icons/ArrowDown.gif");
33 private static SIcon ARROW_RIGHT = new SResourceIcon("org/wings/icons/ArrowRight.gif");
34
35 private static SIcon PLUS = new SResourceIcon("org/wings/icons/plus.gif");
36 private static SIcon MINUS = new SResourceIcon("org/wings/icons/minus.gif");
37 private TreeControls controls;
38
39 public SComponent createExample() {
40 controls = new TreeControls();
41
42 tree = new STree(new DefaultTreeModel (HugeTreeModel.ROOT_NODE));
43 tree.setName("tree");
44 tree.setShowAsFormComponent(false);
45 controls.addSizable(tree);
46
47 SForm panel = new SForm(new SBorderLayout());
48 panel.add(controls, SBorderLayout.NORTH);
49 panel.add(tree, SBorderLayout.CENTER);
50 return panel;
51 }
52
53 class TreeControls extends ComponentControls {
54 private final String [] SELECTION_MODES = new String []{"no", "single", "multiple"};
55 private final Integer [] WIDTHS = new Integer []{new Integer (12), new Integer (24), new Integer (36), new Integer (48)};
56
57 public TreeControls() {
58 final SCheckBox showAsFormComponent = new SCheckBox("<html>Show as Form Component ");
59 showAsFormComponent.addActionListener(new ActionListener () {
60 public void actionPerformed(ActionEvent e) {
61 tree.setShowAsFormComponent(showAsFormComponent.isSelected());
62 }
63 });
64
65 final SComboBox selectionMode = new SComboBox(SELECTION_MODES);
66 selectionMode.addItemListener(new ItemListener () {
67 public void itemStateChanged(ItemEvent e) {
68 if ("no".equals(selectionMode.getSelectedItem()))
69 tree.getSelectionModel().setSelectionMode(STree.NO_SELECTION);
70 else if ("single".equals(selectionMode.getSelectedItem()))
71 tree.getSelectionModel().setSelectionMode(STree.SINGLE_SELECTION);
72 else if ("multiple".equals(selectionMode.getSelectedItem()))
73 tree.getSelectionModel().setSelectionMode(STree.MULTIPLE_SELECTION);
74 }
75 });
76
77 final SComboBox indentationWidth = new SComboBox(WIDTHS);
78 indentationWidth.addItemListener(new ItemListener () {
79 public void itemStateChanged(ItemEvent e) {
80 tree.setNodeIndentDepth(((Integer ) indentationWidth.getSelectedItem()).intValue());
81 }
82 });
83
84 final SRadioButton plusButton = new SRadioButton("plus/minus");
85 plusButton.setToolTipText("use [+] and [-] as expansion controls");
86
87 final SRadioButton arrowButton = new SRadioButton("arrows");
88 arrowButton.setToolTipText("use right-arrow and down-arrow as expansion controls");
89
90 SButtonGroup group = new SButtonGroup();
91 group.add(plusButton);
92 group.add(arrowButton);
93 plusButton.setSelected(true);
94
95 group.addActionListener(new ActionListener () {
96 public void actionPerformed(ActionEvent e) {
97 if (plusButton.isSelected()) {
98 PropertyAccessor.setProperty(tree.getCG(), "collapseControlIcon", MINUS);
99 PropertyAccessor.setProperty(tree.getCG(), "expandControlIcon", PLUS);
100 } else {
101 PropertyAccessor.setProperty(tree.getCG(), "collapseControlIcon", ARROW_DOWN);
102 PropertyAccessor.setProperty(tree.getCG(), "expandControlIcon", ARROW_RIGHT);
103 }
104 }
105 });
106
107 add(showAsFormComponent);
108 add(new SLabel(" selection mode "));
109 add(selectionMode);
110 add(new SLabel(" indentation width "));
111 add(indentationWidth);
112 add(new SLabel(" folding icons "));
113 add(plusButton);
114 add(arrowButton);
115 }
116 }
117 }
118 |
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