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14 package wingset;
15
16 import org.wings.*;
17 import org.wings.text.SNumberFormatter;
18 import org.wings.event.SDocumentListener;
19 import org.wings.event.SDocumentEvent;
20
21 import java.awt.event.ActionEvent  ;
22 import java.awt.event.ActionListener ;
23 import java.text.NumberFormat ;
24
25
29 public class TextComponentExample
30 extends WingSetPane
31 {
32 private ComponentControls controls;
33 private SLabel documentEvent = new SLabel();
34 private SLabel actionEvent = new SLabel();
35
36 SDocumentListener documentListener = new SDocumentListener() {
37 public void insertUpdate(SDocumentEvent e) {
38 documentEvent.setText(((STextComponent) e.getSource()).getName());
39 actionEvent.setText("button not pressed");
40 }
41
42 public void removeUpdate(SDocumentEvent e) {
43 documentEvent.setText(((STextComponent) e.getSource()).getName());
44 actionEvent.setText("button not pressed");
45 }
46
47 public void changedUpdate(SDocumentEvent e) {
48 if (e.getSource() instanceof STextComponent) {
49 STextComponent component = (STextComponent) e.getSource();
50 documentEvent.setText(((STextComponent) e.getSource()).getName());
51 }
52 else {
53 log.debug("e.getSource().getClass() = " + e.getSource().getClass());
54 }
55 actionEvent.setText("button not pressed");
56 }
57 };
58
59 public SComponent createExample() {
60 controls = new ComponentControls();
61
62 SGridLayout gridLayout = new SGridLayout(2);
63 gridLayout.setHgap(4);
64 gridLayout.setVgap(4);
65 SPanel p = new SPanel(gridLayout);
66
67 SLabel l = new SLabel("STextField: ");
68 l.setVerticalAlignment(SConstants.TOP);
69 p.add(l);
70 STextField textField = new STextField();
71 textField.setName("textfield");
72 textField.addDocumentListener(documentListener);
73 p.add(textField);
74
75 l = new SLabel("STextArea: ");
76 l.setVerticalAlignment(SConstants.TOP);
77 p.add(l);
78 STextArea textArea = new STextArea();
79 textArea.setName("textarea");
80 textArea.addDocumentListener(documentListener);
81 p.add(textArea);
82
83 l = new SLabel("SFormattedTextField: ");
84 l.setVerticalAlignment(SConstants.TOP);
85 p.add(l);
86 SNumberFormatter formatter = new SNumberFormatter(NumberFormat.getNumberInstance(getSession().getLocale()));
87 SFormattedTextField formattedTextField = new SFormattedTextField(formatter);
88 formattedTextField.setName("formattedTextField");
89 formattedTextField.addDocumentListener(documentListener);
90 p.add(formattedTextField);
91
92 p.add(new SLabel("DocumentEvent: "));
93 p.add(documentEvent);
94
95 SButton button = new SButton("Submit");
96 p.add(button);
97 p.add(actionEvent);
98
99 button.addActionListener(new ActionListener () {
100 public void actionPerformed(ActionEvent e) {
101 actionEvent.setText("Button pressed");
102 }
103 });
104
105 SForm f = new SForm(new SBorderLayout());
106 f.addActionListener(new ActionListener () {
107 public void actionPerformed(ActionEvent e) {
108 actionEvent.setText(actionEvent.getText() + " + form event");
109 }
110 });
111
112 controls.addSizable(textField);
113 controls.addSizable(textArea);
114 controls.addSizable(formattedTextField);
115
116 f.add(controls, SBorderLayout.NORTH);
117 f.add(p, SBorderLayout.CENTER);
118 return f;
119 }
120 }
121
122
123
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Java API By Example, From Geeks To Geeks.