public void displayPage(JEditorPane pane, String text) {
try {
File helpFile = new File((String) locations.get(text));
String loc = "file:" + helpFile.getAbsolutePath();
URL page = new URL(loc);
pane.setPage(page);
} catch (IOException ioe) {
JOptionPane.showMessageDialog(null, "Help Topic Unavailable");
pane.getParent().repaint();
}
}
TextPanel(String file) {
super(new BorderLayout());
JEditorPane text = new JEditorPane();
try {
text.setPage(TextPanel.this.getClass().getResource(file));
} catch (Exception e) {
text.setText("Error loading '" + file + "'");
e.printStackTrace();
}
text.setEditable(false);
JScrollPane scrollPane = new JScrollPane(text);
Dimension dim = new Dimension();
dim.width = 450;
dim.height = 200;
scrollPane.setPreferredSize(dim);
TextPanel.this.add(BorderLayout.CENTER, scrollPane);
}
public EditorPaneHTMLHelp(String htmlFile) {
if (GlobalValues.useSystemBrowserForHelp) {
Desktop d = GlobalValues.desktop;
try {
// create a temp file
GlobalValues.forHTMLHelptempFile = new File("tempHTMLHelpSynthetic.html");
FileWriter fw = new FileWriter(GlobalValues.forHTMLHelptempFile);
java.util.List<String> list = readTextFromJar(htmlFile);
Iterator<String> it = list.iterator();
while (it.hasNext()) {
fw.write(it.next() + "\n");
}
String canonicalPathOfFile = GlobalValues.forHTMLHelptempFile.getCanonicalPath();
URL urlFile = new URL("file://" + canonicalPathOfFile);
URI uriOfFile = urlFile.toURI();
fw.close();
d.browse(uriOfFile);
} catch (Exception e) {
e.printStackTrace();
}
} else {
URL initialURL = getClass().getResource(htmlFile);
font = GlobalValues.htmlfont;
String title = "HTML Help";
setTitle(title);
final Stack<String> urlStack = new Stack<String>();
final JEditorPane editorPane;
editorPane = new JEditorPane(new HTMLEditorKit().getContentType(), " ");
editorPane.setOpaque(false);
editorPane.setBorder(null);
editorPane.setEditable(false);
JPanel magPanel = new JPanel();
magnificationFactor = GlobalValues.helpMagnificationFactor;
magFactor = new JTextField(Double.toString(magnificationFactor));
JButton magButton = new JButton("Set Magnification: ");
magButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
magnificationFactor = Double.parseDouble(magFactor.getText());
GlobalValues.helpMagnificationFactor = magnificationFactor;
}
});
magPanel.setLayout(new GridLayout(1, 2));
magPanel.add(magButton);
magPanel.add(magFactor);
final JTextField url = new JTextField(initialURL.toString());
// set up hyperlink listener
editorPane.setEditable(false);
try {
// remember URL for back button
urlStack.push(initialURL.toString());
// show URL in text field
url.setText(initialURL.toString());
// add a CSS rule to force body tags to use the default label font
// instead of the value in javax.swing.text.html.default.csss
String bodyRule =
"body { font-family: "
+ font.getFamily()
+ "; "
+ "font-size: "
+ font.getSize() * GlobalValues.helpMagnificationFactor
+ "pt; }";
((HTMLDocument) editorPane.getDocument()).getStyleSheet().addRule(bodyRule);
editorPane.setPage(initialURL);
editorPane.firePropertyChange("dummyProp", true, false);
} catch (IOException e) {
editorPane.setText("Exception: " + e);
}
editorPane.addPropertyChangeListener(
new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent evt) {
String bodyRule =
"body { font-family: "
+ font.getFamily()
+ "; "
+ "font-size: "
+ font.getSize() * GlobalValues.helpMagnificationFactor
+ "pt; }";
((HTMLDocument) editorPane.getDocument()).getStyleSheet().addRule(bodyRule);
}
});
editorPane.addHyperlinkListener(
new HyperlinkListener() {
public void hyperlinkUpdate(HyperlinkEvent event) {
if (event.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
try {
// remember URL for back button
urlStack.push(event.getURL().toString());
// show URL in text field
url.setText(event.getURL().toString());
editorPane.setPage(event.getURL());
editorPane.firePropertyChange("dummyProp", true, false);
} catch (IOException e) {
editorPane.setText("Exception: " + e);
}
}
}
});
// set up checkbox for toggling edit mode
final JCheckBox editable = new JCheckBox();
editable.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent event) {
editorPane.setEditable(editable.isSelected());
}
});
// set up load button for loading URL
ActionListener listener =
new ActionListener() {
public void actionPerformed(ActionEvent event) {
try {
// remember URL for back button
urlStack.push(url.getText());
editorPane.setPage(url.getText());
editorPane.firePropertyChange("dummyProp", true, false);
} catch (IOException e) {
editorPane.setText("Exception: " + e);
}
}
};
JButton loadButton = new JButton("Load/Magnify");
loadButton.addActionListener(listener);
url.addActionListener(listener);
// set up back button and button action
JButton backButton = new JButton("Back");
backButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent event) {
if (urlStack.size() <= 1) return;
try {
// get URL from back button
urlStack.pop();
// show URL in text field
String urlString = urlStack.peek();
url.setText(urlString);
editorPane.setPage(urlString);
editorPane.firePropertyChange("dummyProp", true, false);
} catch (IOException e) {
editorPane.setText("Exception: " + e);
}
}
});
JPanel allPanel = new JPanel(new BorderLayout());
// put all control components in a panel
JPanel ctrlPanel = new JPanel(new BorderLayout());
JPanel urlPanel = new JPanel();
urlPanel.add(new JLabel("URL"));
urlPanel.add(url);
JPanel buttonPanel = new JPanel();
buttonPanel.add(loadButton);
buttonPanel.add(backButton);
buttonPanel.add(new JLabel("Editable"));
buttonPanel.add(magPanel);
buttonPanel.add(editable);
ctrlPanel.add(buttonPanel, BorderLayout.NORTH);
ctrlPanel.add(urlPanel, BorderLayout.CENTER);
allPanel.add(ctrlPanel, BorderLayout.NORTH);
allPanel.add(new JScrollPane(editorPane), BorderLayout.CENTER);
add(allPanel);
}
}
void doSourceFileUpdate() {
BufferedReader bufferIn = null;
String str1 = new String();
String strContent = new String();
String sliderValue = new String();
String newLine = System.getProperty("line.separator");
StringBuffer strBuf = new StringBuffer();
RandomAccessFile access = null;
String tempFile = "temp" + round + ".html";
File fp = new File(tempFile);
boolean firstChoice = true;
int posFound = 0;
int i = 0;
PSlider slider;
// round += 1;
// Read the original source file to input buffer
try {
bufferIn = new BufferedReader(new FileReader(exampleSource));
} catch (FileNotFoundException fe) {
System.err.println("Example Source File not found " + fe);
// System.exit(-1);;
}
// get the first line of the buffer.
try {
str1 = bufferIn.readLine();
} catch (IOException ie) {
System.err.println("Error reading line from the buffer " + ie);
// System.exit(-1);;
}
// Transfer the whole content of the input buffer to the string
try {
do strContent += str1 + newLine;
while ((str1 = bufferIn.readLine()) != null);
} catch (IOException ie) {
System.err.println("Error readding content of the input buffer " + ie);
// System.exit(-1);;
}
// do the replacement.
// First having to update the code part that is active in this section before
// doing variables updated. Look at the current active radiobutton to make decision
if (secondBox.isSelected() == true) firstChoice = false;
if (firstChoice == true) {
String tempStr = new String();
strBuf = new StringBuffer(strContent);
posFound = strContent.indexOf(textStr2);
tempStr =
"<font color=blue>/***********" + newLine + textStr2 + newLine + "***********/</font>";
strBuf.replace(posFound, posFound + textStr2.length(), tempStr);
strContent = new String(strBuf);
} else {
String tempStr = new String();
strBuf = new StringBuffer(strContent);
posFound = strContent.indexOf(textStr1);
tempStr =
"<font color=blue>/***********" + newLine + textStr1 + newLine + "***********/</font>";
strBuf.replace(posFound, posFound + textStr1.length(), tempStr);
strContent = new String(strBuf);
}
for (i = COMPONENTS; i > 0; i--) {
// get the current value of slider
slider = (PSlider) vSlider.elementAt(i - 1);
sliderValue = slider.getValue();
// construct the search string
str1 = "JPOT$" + i;
// get the position of the search string in the content string.
while ((posFound = strContent.indexOf(str1)) != -1) {
strBuf = new StringBuffer(strContent);
strBuf.replace(posFound, posFound + str1.length(), sliderValue);
strContent = new String(strBuf);
}
}
boolean delete = fp.delete();
try {
fp.createNewFile();
} catch (IOException ie) {
System.err.println("Couldn't create the new file " + ie);
// System.exit(-1);;
}
try {
access = new RandomAccessFile(fp, "rw");
} catch (IOException ie) {
System.err.println("Error in accessing the file " + ie);
// System.exit(-1);;
}
try {
access.writeBytes(strContent);
access.close();
} catch (IOException ie) {
System.err.println("Error in writing to file " + ie);
// System.exit(-1);;
}
try {
textPane.getDocument().putProperty(Document.StreamDescriptionProperty, null);
URL url = new URL("file:" + tempFile + "#gohere");
textPane.setPage(url);
delete = fp.delete();
} catch (IOException ie) {
System.err.println("Can not get the example html file " + ie);
// System.exit(-1);;
}
}
public BoxOnTable() {
super(windowTitle);
int i;
Runtime program = Runtime.getRuntime();
Container content = getContentPane();
/** Get current OS of the system. */
if (System.getProperty("os.name").startsWith("Windows")) isWindows = true;
else isWindows = false;
/** Set interactive buttons for the user interface */
JButton exitButton = new JButton("Exit");
exitButton.setToolTipText("Exit the Program");
JPanel mainPanel = new JPanel();
content.add(mainPanel, BorderLayout.SOUTH);
mainPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
content.add(scrollPane, BorderLayout.CENTER);
scrollPane.setBorder(BorderFactory.createLoweredBevelBorder());
scrollPane.getViewport().add(textPane);
mainPanel.add(exitButton, BorderLayout.CENTER);
/** Set and view the source code on the frame */
textPane.setEditable(false);
textPane.setContentType("text/html; charset=EUC-JP");
try {
URL url = new URL("file:" + exampleSource);
textPane.setPage(url);
} catch (IOException ie) {
System.err.println("Error in opening html source file " + ie);
System.exit(-1);
}
exitButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
doExitCommand();
}
});
/** Run the illustrated program */
try {
pid = program.exec(cmd);
} catch (IOException ie) {
System.err.println("Couldn't run " + ie);
System.exit(-1);
}
/** Set the initial status for the window */
addWindowListener(
new WindowAdapter() {
public void windowClosing(WindowEvent e) {
pid.destroy();
}
});
setSize(WIDTH, HEIGHT);
setLocation(500, 0);
setVisible(true);
}