public void execute() {
if (!isEditable() || !isEnabled()) {
return;
}
int position = lastClickPoint != null ? viewToModel(lastClickPoint) : getCaretPosition();
lastClickPoint = null;
Document document = getDocument();
String selectedText = getSelectedText();
try {
if (selectedText != null && !CommonUtil.isEmpty(selectedText)) {
String trimmed = selectedText.trim();
if (trimmed.startsWith("<!--") && trimmed.endsWith("-->")) {
StringBuffer buffer = new StringBuffer(selectedText);
int pos = buffer.indexOf("<!--");
buffer.delete(pos, pos + 4);
pos = buffer.lastIndexOf("-->");
buffer.delete(pos, pos + 3);
replaceSelection(buffer.toString());
} else {
String newSelection = "<!--" + selectedText + "-->";
replaceSelection(newSelection);
}
} else {
final int docLen = document.getLength();
int fromIndex = Math.max(0, getText(0, position).lastIndexOf('\n'));
int toIndex = getText(fromIndex + 1, docLen - position).indexOf('\n');
toIndex = toIndex < 0 ? docLen : fromIndex + toIndex;
String textToComment = getText(fromIndex, toIndex - fromIndex + 1);
if (textToComment.startsWith("\n")) {
textToComment = textToComment.substring(1);
fromIndex++;
}
if (textToComment.endsWith("\n")) {
textToComment = textToComment.substring(0, textToComment.length() - 1);
toIndex--;
}
String trimmed = textToComment.trim();
if (trimmed.startsWith("<!--") && trimmed.endsWith("-->")) {
int pos = textToComment.lastIndexOf("-->");
document.remove(fromIndex + pos, 3);
pos = textToComment.indexOf("<!--");
document.remove(fromIndex + pos, 4);
} else {
document.insertString(Math.min(toIndex + 1, docLen), "-->", null);
document.insertString(fromIndex, "<!--", null);
}
}
} catch (BadLocationException e1) {
e1.printStackTrace();
}
}
/**
* Makes the label clickable or makes it unclickable. Clickable label features bold and underlined
* text
*
* @param clickable Is the label clickable
* @param action Action to be performed on click
* @param rolloverIcon Icon to display on rollover
* @since Jun 13, 2006 2:00:57 AM
*/
public void setClickable(
final boolean clickable, final ActionListener action, final Icon rolloverIcon) {
if (clickable) {
// Set the action
this.action = action;
// Set the offIcon;
this.offIcon = getIcon();
setIcon(offIcon);
// Add a Mouse Listener
addMouseListener(this);
// Set the text (Undelined and Bolded)
setText(
new StringBuffer("<html><b><u>").append(getText()).append("</u></b></html>").toString());
// Set the rollover icon
this.rolloverIcon = rolloverIcon;
// Init the Color and Mouse Cursor
setForeground(offColor);
} else {
// Set the action to null
this.action = null;
// Remove the Mouse Listener
removeMouseListener(this);
// Change the text back to normal
final StringBuffer textBuffer = new StringBuffer(getText());
final int msgEnd = textBuffer.indexOf("</u></b></html>");
setText(textBuffer.substring(12, msgEnd));
// Set the rollover icon
this.rolloverIcon = null;
}
// Repaint the Label
repaint();
}