/**
* Determines the position in the model that is closest to the given view location in the row
* below. The component given must have a size to compute the result. If the component doesn't
* have a size a value of -1 will be returned.
*
* @param c the editor
* @param offs the offset in the document >= 0
* @param x the X coordinate >= 0
* @return the position >= 0 if the request can be computed, otherwise a value of -1 will be
* returned.
* @exception BadLocationException if the offset is out of range
*/
public static final int getPositionBelow(RSyntaxTextArea c, int offs, float x, TabExpander e)
throws BadLocationException {
TokenOrientedView tov = (TokenOrientedView) e;
Token token = tov.getTokenListForPhysicalLineBelow(offs);
if (token == null) return -1;
// A line containing only Token.NULL is an empty line.
else if (token.type == Token.NULL) {
int line = c.getLineOfOffset(offs); // Sure to be > c.getLineCount()-1 ??
return c.getLineStartOffset(line + 1);
} else {
return token.getListOffset(c, e, 0, x);
}
}
private void insertBreakInMLC(ActionEvent e, RSyntaxTextArea textArea, int line) {
Matcher m = null;
int start = -1;
int end = -1;
try {
start = textArea.getLineStartOffset(line);
end = textArea.getLineEndOffset(line);
String text = textArea.getText(start, end - start);
m = p.matcher(text);
} catch (BadLocationException ble) { // Never happens
UIManager.getLookAndFeel().provideErrorFeedback(textArea);
ble.printStackTrace();
return;
}
if (m.lookingAt()) {
String leadingWS = m.group(1);
String mlcMarker = m.group(2);
// If the caret is "inside" any leading whitespace or MLC
// marker, move it to the end of the line.
int dot = textArea.getCaretPosition();
if (dot >= start && dot < start + leadingWS.length() + mlcMarker.length()) {
// If we're in the whitespace before the very start of the
// MLC though, just insert a normal newline
if (mlcMarker.charAt(0) == '/') {
handleInsertBreak(textArea, true);
return;
}
textArea.setCaretPosition(end - 1);
}
boolean firstMlcLine = mlcMarker.charAt(0) == '/';
boolean nested = appearsNested(textArea, line, start + leadingWS.length() + 2);
String header = leadingWS + (firstMlcLine ? " * " : "*") + m.group(3);
textArea.replaceSelection("\n" + header);
if (nested) {
dot = textArea.getCaretPosition(); // Has changed
textArea.insert("\n" + leadingWS + " */", dot);
textArea.setCaretPosition(dot);
}
} else {
handleInsertBreak(textArea, true);
}
}