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1 package de.java2html.gui;
2
3 import java.awt.BorderLayout  ;
4 import java.awt.FlowLayout ;
5 import java.awt.GridLayout ;
6 import java.awt.Toolkit ;
7 import java.awt.datatransfer.Clipboard ;
8 import java.awt.datatransfer.StringSelection ;
9 import java.awt.event.ActionEvent ;
10 import java.awt.event.ActionListener ;
11 import java.io.File ;
12 import java.io.IOException ;
13 import java.io.StringWriter ;
14
15 import javax.swing.DefaultListModel ;
16 import javax.swing.JButton ;
17 import javax.swing.JComponent ;
18 import javax.swing.JFileChooser ;
19 import javax.swing.JLabel ;
20 import javax.swing.JList ;
21 import javax.swing.JOptionPane ;
22 import javax.swing.JPanel ;
23 import javax.swing.JScrollPane ;
24 import javax.swing.border.EmptyBorder ;
25 import javax.swing.event.ListDataEvent ;
26 import javax.swing.event.ListDataListener ;
27 import javax.swing.event.ListSelectionEvent ;
28 import javax.swing.event.ListSelectionListener ;
29 import javax.swing.filechooser.FileFilter ;
30
31 import de.java2html.JavaSourceConversionSettings;
32 import de.java2html.converter.IJavaSourceConverter;
33 import de.java2html.javasource.JavaSource;
34 import de.java2html.javasource.JavaSourceParser;
35 import de.java2html.util.Ensure;
36
37 public class FileConversionPanel implements ActionListener {
38
39 private final DefaultListModel fileListModel = new DefaultListModel ();
40 private final JList list;
41 private final JButton bAdd;
42 private final JButton bRemove;
43 private final JButton bConvert;
44 private final JButton bClear;
45 private File currentDirectory;
46 private final JComponent content;
47 private final Java2HtmlOptionsPanel optionsPanel;
48
49 public FileConversionPanel(Java2HtmlOptionsPanel optionsPanel) {
50 Ensure.ensureArgumentNotNull(optionsPanel);
51 this.optionsPanel = optionsPanel;
52 list = new JList (fileListModel);
53
54 bAdd = new JButton ("Add...");
55 bAdd.addActionListener(this);
56
57 bRemove = new JButton ("Remove");
58 bRemove.addActionListener(this);
59 bRemove.setEnabled(false);
60
61 bClear = new JButton ("Clear");
62 bClear.addActionListener(this);
63 bClear.setEnabled(false);
64
65 bConvert = new JButton ("Convert");
66 bConvert.addActionListener(this);
67 bConvert.setEnabled(false);
68
69 final JPanel fileButtonPanel = new JPanel (new GridLayout (0, 1, 6, 6));
70 fileButtonPanel.add(bAdd);
71 fileButtonPanel.add(bRemove);
72 fileButtonPanel.add(bClear);
73
74 final JPanel buttonPanel = new JPanel (new BorderLayout ());
75 buttonPanel.add(fileButtonPanel, BorderLayout.NORTH);
76
77 final JPanel filesToConvertPanel = new JPanel (new BorderLayout (4, 4));
78 filesToConvertPanel.add(new JLabel ("Files to convert:"), BorderLayout.NORTH);
79 filesToConvertPanel.add(new JScrollPane (list), BorderLayout.CENTER);
80 filesToConvertPanel.add(buttonPanel, BorderLayout.EAST);
81
82 final JPanel southPanel = new JPanel (new FlowLayout (FlowLayout.LEFT));
83 southPanel.add(bConvert);
84
85 final JPanel panel = new JPanel (new BorderLayout (4, 4));
86 panel.setBorder(new EmptyBorder (5, 6, 5, 6));
87 panel.add(filesToConvertPanel, BorderLayout.CENTER);
88 panel.add(southPanel, BorderLayout.SOUTH);
89 this.content = panel;
90
91 list.addListSelectionListener(new ListSelectionListener () {
92 public void valueChanged(ListSelectionEvent e) {
93 updateButtonsEnabled();
94 }
95 });
96 fileListModel.addListDataListener(new ListDataListener () {
97 public void contentsChanged(ListDataEvent e) {
98 updateButtonsEnabled();
99 }
100
101 public void intervalRemoved(ListDataEvent e) {
102 updateButtonsEnabled();
103 }
104
105 public void intervalAdded(ListDataEvent e) {
106 updateButtonsEnabled();
107 }
108 });
109 updateButtonsEnabled();
110 }
111
112 private void updateButtonsEnabled() {
113 bRemove.setEnabled(!list.isSelectionEmpty());
114 bClear.setEnabled(!fileListModel.isEmpty());
115 bConvert.setEnabled(!fileListModel.isEmpty());
116 }
117
118 private void add() {
119 JFileChooser chooser = new JFileChooser (currentDirectory);
120 chooser.setDialogTitle("Open Java Source");
121 chooser.setFileFilter(new FileFilter () {
122 public String getDescription() {
123 return "*.java";
124 }
125
126 public boolean accept(File f) {
127 return f.isDirectory() || f.getName().toLowerCase().endsWith(".java");
128 }
129 });
130 int result = chooser.showOpenDialog(content);
131 if (result != JFileChooser.APPROVE_OPTION) {
132 return;
133 }
134 File selectedFile = chooser.getSelectedFile();
135 currentDirectory = selectedFile.getParentFile();
136 fileListModel.addElement(selectedFile);
137 }
138
139 private void remove() {
140 Object [] files = list.getSelectedValues();
141 for (int i = 0; i < files.length; ++i) {
142 fileListModel.removeElement(files[i]);
143 }
144 }
145
146 private void clear() {
147 fileListModel.clear();
148 }
149
150 private void convert() {
151 JavaSourceConversionSettings settings = optionsPanel.getConversionSettings();
152 settings.getConversionOptions().setShowJava2HtmlLink(true);
153
154 final StringBuffer report = new StringBuffer ();
156
157 StringWriter writer = new StringWriter ();
159
160 IJavaSourceConverter converter = settings.createConverter();
162
163 Object [] files = fileListModel.toArray();
164 try {
165 converter.writeDocumentHeader(writer, settings.getConversionOptions(), "");
166
167 for (int count = 0; count < files.length; ++count) {
168 final File file = (File ) files[count];
169 report.append("<li>File " + (count + 1) + ": " + file.getName() + "<blockquote>");
170
171 try {
172 if (count > 0) {
173 converter.writeBlockSeparator(writer, settings.getConversionOptions());
174 }
175 JavaSourceParser parser = new JavaSourceParser(settings.getConversionOptions());
176 JavaSource source = parser.parse(file);
177 converter.convert(source, settings.getConversionOptions(), writer);
178
179 writer.write('\n');
180
181 report.append(source.getStatistic().getScreenString("<br>") + "</blockquote></li>");
182 }
183 catch (IOException e) {
184 System.err.println("Error converting " + file + ": " + e);
186 }
187 }
188
189 converter.writeDocumentFooter(writer, settings.getConversionOptions());
190 }
191 catch (IOException e) {
192 System.err.println("Error converting files " + e);
194 }
195
196 StringSelection sel = new StringSelection (writer.getBuffer().toString());
198 Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
199 clipboard.setContents(sel, sel);
200
201 String plural = "";
202 if (files.length > 1) {
203 plural = "s";
204 }
205
206
208 final String title = "File" + plural + " converted";
209 final String text = "<html><b>"
210 + files.length
211 + " File"
212 + plural
213 + " successfully converted.</b>"
214 + "<ul>"
215 + report.toString()
216 + "</ul>"
217 + "<b>The converted source code has been copied the system clipboard</b>"
218 + "</html>";
219 JOptionPane.showMessageDialog(content, text, title, JOptionPane.INFORMATION_MESSAGE);
220 }
221
222 public JComponent getContent() {
223 return content;
224 }
225
226 public void actionPerformed(ActionEvent evt) {
227 Object source = evt.getSource();
228 if (source == bAdd) {
229 add();
230 }
231 else if (source == bRemove) {
232 remove();
233 }
234 else if (source == bClear) {
235 clear();
236 }
237 else {
238 convert();
239 }
240 }
241 } |
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