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1
7 package org.enhydra.base.tool;
8
9 import javax.swing.JPanel  ;
10
11 import javax.swing.JTextArea ;
12 import java.awt.BorderLayout ;
13 import java.io.IOException ;
14 import java.io.Writer ;
15 import javax.swing.JScrollPane ;
16
22 public class OutputPanel extends JPanel {
23
24 private JScrollPane jScrollPane = null;
25 private JTextArea output = null;
26
29 public OutputPanel() {
30 super();
31 initialize();
32 }
33
38 private void initialize() {
39 this.setLayout(new BorderLayout ());
40 this.setPreferredSize(new java.awt.Dimension (300,150));
41 this.setSize(300, 150);
42 this.add(getJScrollPane(), java.awt.BorderLayout.CENTER);
43 }
44
45 public void setWriter(Writer writer){
46 try {
47 output.write(writer);
48 } catch (IOException ex){
49 System.out.println("Unable to set writer!");
50 }
51 }
52
53 public void setText(String text){
54 output.setText(text);
55 }
56
57 public void appendText(String text){
58 output.append(text);
59 }
60
61 public void appendTextLine(String text){
62 output.append(text+"\n");
63 jScrollPane.getVerticalScrollBar().setValue(output.getHeight());
64 }
65
66 public void clearText(){
67 output.setText("");
68 }
69
70
75 private JScrollPane getJScrollPane() {
76 if (jScrollPane == null) {
77 jScrollPane = new JScrollPane ();
78 jScrollPane.setViewportView(getOutput());
79 }
80 return jScrollPane;
81 }
82
87 private JTextArea getOutput() {
88 if (output == null) {
89 output = new JTextArea ();
90 output.setName("output");
91 output.setEditable(false);
92 }
93 return output;
94 }
95 }
96 |
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