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1 package de.java2html.gui;
2
3 import java.awt.Font  ;
4 import java.awt.GridBagConstraints ;
5 import java.awt.GridBagLayout ;
6 import java.awt.Insets ;
7 import java.io.IOException ;
8 import java.io.StringWriter ;
9
10 import javax.swing.JComponent ;
11 import javax.swing.JLabel ;
12 import javax.swing.JPanel ;
13 import javax.swing.JScrollPane ;
14 import javax.swing.JTextArea ;
15 import javax.swing.JTextField ;
16 import javax.swing.border.EmptyBorder ;
17 import javax.swing.event.ChangeEvent ;
18 import javax.swing.event.ChangeListener ;
19 import javax.swing.event.DocumentEvent ;
20 import javax.swing.event.DocumentListener ;
21
22 import de.java2html.JavaSourceConversionSettings;
23 import de.java2html.converter.IJavaSourceConverter;
24 import de.java2html.javasource.JavaSource;
25 import de.java2html.javasource.JavaSourceParser;
26 import de.java2html.util.Ensure;
27
28 public class DirectTextConversionPanel {
29
30 private final JComponent content;
31 private final static Font FONT = new Font ("Monospaced", Font.PLAIN, 11);
32 private final JTextArea taInput;
33 private final JTextArea taOutput;
34 private final JTextField tfTitle;
35 private final Java2HtmlOptionsPanel optionsPanel;
36 private final IStatisticsView statisticsView;
37
38 public DirectTextConversionPanel(Java2HtmlOptionsPanel optionsPanel, IStatisticsView statisticsView) {
39 Ensure.ensureArgumentNotNull(optionsPanel);
40 Ensure.ensureArgumentNotNull(statisticsView);
41 this.statisticsView = statisticsView;
42 this.optionsPanel = optionsPanel;
43 JLabel l1 = new JLabel ("Title (optional):");
45 tfTitle = new JTextField (30);
46 final DocumentListener documentListener = new DocumentListener () {
47 public void changedUpdate(DocumentEvent e) {
48 convert();
49 }
50
51 public void removeUpdate(DocumentEvent e) {
52 convert();
53 }
54
55 public void insertUpdate(DocumentEvent e) {
56 convert();
57 }
58 };
59 tfTitle.getDocument().addDocumentListener(documentListener);
60
61 taInput = new JTextArea (10, 80);
62 taInput.getDocument().addDocumentListener(documentListener);
63 taInput.setFont(FONT);
64 taOutput = new JTextArea (10, 80);
65 taOutput.setEditable(false);
66 taOutput.setFont(FONT);
67
68 final JPanel panel = new JPanel (new GridBagLayout ());
69 panel.setBorder(new EmptyBorder (5, 6, 5, 6));
70
71 final GridBagConstraints twoColumnLineConstraints = new GridBagConstraints ();
72 twoColumnLineConstraints.anchor = GridBagConstraints.WEST;
73 twoColumnLineConstraints.gridx = 0;
74 twoColumnLineConstraints.gridwidth = 2;
75 twoColumnLineConstraints.fill = GridBagConstraints.HORIZONTAL;
76 twoColumnLineConstraints.weightx = 1.0;
77 twoColumnLineConstraints.insets = new Insets (6, 2, 2, 2);
78
79 final GridBagConstraints twoColumnBlockConstraints = new GridBagConstraints ();
80 twoColumnBlockConstraints.anchor = GridBagConstraints.WEST;
81 twoColumnBlockConstraints.gridx = 0;
82 twoColumnBlockConstraints.gridwidth = 2;
83 twoColumnBlockConstraints.fill = GridBagConstraints.BOTH;
84 twoColumnBlockConstraints.weightx = 1.0;
85 twoColumnBlockConstraints.weighty = 1.0;
86 twoColumnBlockConstraints.insets = new Insets (2, 2, 2, 2);
87
88 final GridBagConstraints leftColumnConstraints = new GridBagConstraints ();
89 leftColumnConstraints.insets = new Insets (2, 2, 2, 2);
90 leftColumnConstraints.gridx = 0;
91 leftColumnConstraints.anchor = GridBagConstraints.EAST;
92
93 final GridBagConstraints rightColumnConstraints = new GridBagConstraints ();
94 rightColumnConstraints.insets = new Insets (2, 2, 2, 2);
95 rightColumnConstraints.gridx = 1;
96 rightColumnConstraints.fill = GridBagConstraints.HORIZONTAL;
97 rightColumnConstraints.anchor = GridBagConstraints.WEST;
98
99 panel.add(l1, leftColumnConstraints);
100 panel.add(tfTitle, rightColumnConstraints);
101 panel.add(new JLabel ("Java source (paste your source code here):"), twoColumnLineConstraints);
102 panel.add(new JScrollPane (taInput), twoColumnBlockConstraints);
103 panel.add(
104 new JLabel ("Converted source (copy and paste this to where you want it):"),
105 twoColumnLineConstraints);
106 panel.add(new JScrollPane (taOutput), twoColumnBlockConstraints);
107
108 optionsPanel.addChangeListener(new ChangeListener () {
109 public void stateChanged(ChangeEvent e) {
110 convert();
111 }
112 });
113
114 this.content = panel;
115 }
116
117 public JComponent getContent() {
118 return content;
119 }
120
121 private void convert() {
122 String title = tfTitle.getText();
123 if (title.equals("")) {
124 title = null;
125 }
126
127 String input = taInput.getText();
128 if (input.trim().equals("")) {
129 taOutput.setText("");
130 statisticsView.setStatistics(null);
131 return;
132 }
133 JavaSourceConversionSettings settings = optionsPanel.getConversionSettings();
134 settings.getConversionOptions().setShowJava2HtmlLink(true);
135 JavaSourceParser parser = new JavaSourceParser(settings.getConversionOptions());
136 JavaSource source = parser.parse(input);
137 source.setFileName(title);
138
139 IJavaSourceConverter converter = settings.createConverter();
141
142 StringWriter writer = new StringWriter ();
143 try {
144 converter.writeDocumentHeader(writer, settings.getConversionOptions(), title);
145 converter.convert(source, settings.getConversionOptions(), writer);
146 converter.writeDocumentFooter(writer, settings.getConversionOptions());
147 }
148 catch (IOException e) {
149 throw new RuntimeException (e); }
151
152 taOutput.setText(writer.toString());
153 statisticsView.setStatistics(source.getStatistic());
154 taOutput.selectAll();
155 }
156
157 public void requestFocus() {
158 taInput.requestFocus();
159 }
160 } |
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