public void removeTrailingWhitespace() {
int end = textArea.getDocument().getLength();
// remove trailing empty lines
int realEnd = end;
if (eolAt(end - 1)) {
while (eolAt(end - 2) || getText(end - 2, end - 1).equals("\r")) end--;
if (end < realEnd) textArea.replaceRange("", end - 1, realEnd - 1);
}
// remove trailing white space from each line
for (int i = textArea.getLineCount() - 1; i >= 0; i--)
try {
int start = textArea.getLineStartOffset(i);
if (eolAt(end - 1)) end--;
if (start == end) continue;
String line = getText(start, end);
realEnd = end;
while (start < end && Character.isWhitespace(line.charAt(end - start - 1))) end--;
if (end < realEnd) textArea.replaceRange("", end, realEnd);
end = start;
} catch (BadLocationException e) {
/* cannot happen */
}
}
private void search(int direction) {
String searchText = searchField.getText();
if (searchText == null || searchText.length() == 0 || rTextArea.getText() == null) {
return;
}
boolean forward = direction >= 0;
boolean matchCase = matchCaseCB.isSelected();
boolean regex = regexCB.isSelected();
boolean wholeWord = wholeWordCB.isSelected();
if (markAllCB.isSelected()) {
rTextArea.markAll(searchText, matchCase, wholeWord, regex);
} else {
rTextArea.clearMarkAllHighlights();
}
SearchContext context = new SearchContext();
context.setSearchFor(searchText);
context.setMatchCase(matchCase);
context.setRegularExpression(regex);
context.setSearchForward(forward);
context.setWholeWord(wholeWord);
// TODO hack: move cursor before previous search for not jump to next occurrence
if (direction == 0 && !COLOR_BG_ERROR.equals(searchField.getBackground())) {
try {
int caretPos = rTextArea.getCaretPosition();
int lineNum = rTextArea.getLineOfOffset(caretPos) - 1;
if (lineNum > 1) {
rTextArea.setCaretPosition(rTextArea.getLineStartOffset(lineNum));
}
} catch (BadLocationException e) {
LOG.error("Caret move error", e);
}
}
boolean found = SearchEngine.find(rTextArea, context);
if (!found) {
int pos =
SearchEngine.getNextMatchPos(
searchText, rTextArea.getText(), forward, matchCase, wholeWord);
if (pos != -1) {
rTextArea.setCaretPosition(forward ? 0 : rTextArea.getDocument().getLength() - 1);
search(direction);
searchField.setBackground(COLOR_BG_WARN);
return;
}
searchField.setBackground(COLOR_BG_ERROR);
} else {
searchField.setBackground(COLOR_BG_NORMAL);
}
}
/**
* Marque une ligne du texte avec une icône.
*
* @param line Numéro de la ligne du texte.
* @param icon Nom de l'icône à utiliser (une icône indiquant une erreur par défaut).
*/
public void signalLine(int line, String icon) {
Gutter gutter = scrollPane.getGutter();
gutter.setBookmarkingEnabled(true);
try {
textArea.setCaretPosition(textArea.getLineStartOffset(line - 1));
scrollPane
.getGutter()
.addLineTrackingIcon(
line - 1,
Macros.getIcon(icon == null ? "org/javascool/widgets/icons/error.png" : icon));
} catch (Exception e) {
}
}
