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1 package net.walend.somnifugi.example;
2
3 import javax.swing.JFrame  ;
4 import javax.swing.JTextField ;
5 import javax.swing.JTextArea ;
6 import javax.swing.JLabel ;
7 import javax.swing.JPanel ;
8 import javax.swing.JButton ;
9 import javax.swing.SwingUtilities ;
10
11 import java.awt.FlowLayout ;
12 import java.awt.BorderLayout ;
13 import java.awt.Dimension ;
14
15 import java.awt.event.ActionListener ;
16 import java.awt.event.ActionEvent ;
17
18
21
22 public abstract class SearchUI
23 implements LookupListener
24 {
25 protected JTextField searchTF;
26 private JTextArea outputTA;
27 private JFrame frame;
28
29 public SearchUI()
30 {
31 layoutComponents();
32 }
33
34 private void layoutComponents()
35 {
36 frame = new JFrame ("CommandQueueExample");
37 searchTF = new JTextField ();
38 outputTA = new JTextArea ();
39 outputTA.setEditable(false);
40
41 JLabel searchLabel = new JLabel ("Search");
42 JPanel topPanel = new JPanel (new FlowLayout (FlowLayout.LEFT));
43 JButton searchButton = new JButton ("Go");
44
45 searchButton.addActionListener(new ActionListener ()
46 {
47 public void actionPerformed(ActionEvent e)
48 {
49 searchButtonActionPerformed();
50 }
51 });
52
53 frame.getContentPane().setLayout(new BorderLayout ());
54
55 searchLabel.setPreferredSize(new Dimension (45, 26));
56 topPanel.add(searchLabel);
57 searchTF.setPreferredSize(new Dimension (100, 26));
58 topPanel.add(searchTF);
59 topPanel.add(searchButton);
60
61 frame.getContentPane().add(topPanel, BorderLayout.NORTH);
62 frame.getContentPane().add(outputTA, BorderLayout.CENTER);
63
64 frame.setLocation(200,200);
65 frame.setSize(300,300);
66
67 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
68 }
69
70 void showFrame()
71 {
72 SwingUtilities.invokeLater(new Runnable ()
73 {
74 public void run()
75 {
76 frame.setVisible(true);
77 }
78 });
79 }
80
81 protected void handleThrowable(Throwable thrown)
82 {
83 thrown.printStackTrace();
84 }
85
86
89 protected abstract void searchButtonActionPerformed() ;
90
91 public void lookupStarted(final LookupRequest request)
92 {
93 SwingUtilities.invokeLater(new Runnable ()
94 {
95 public void run()
96 {
97 outputTA.setText("Searching for: " + request.getSearchText());
98 }
99 });
100 }
101
102 public void lookupCompleted(final LookupResults result)
103 {
104 SwingUtilities.invokeLater(new Runnable ()
105 {
106 public void run()
107 {
108 outputTA.setText("");
109 String [] results = result.getResults();
110 for (int i = 0; i < results.length; i++)
111 {
112 String result = results[i];
113 outputTA.setText(outputTA.getText() + "\n" + result);
114 }
115 }
116 });
117 }
118 }
119 |
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Java API By Example, From Geeks To Geeks.