private Fold findOpenFoldClosestTo(Point p) {
Fold fold = null;
RSyntaxTextArea rsta = (RSyntaxTextArea) textArea;
if (rsta.isCodeFoldingEnabled()) { // Should always be true
int offs = rsta.viewToModel(p); // TODO: Optimize me
if (offs > -1) {
try {
int line = rsta.getLineOfOffset(offs);
int origLine = line;
FoldManager fm = rsta.getFoldManager();
do {
fold = fm.getFoldForLine(line);
} while (fold == null && line-- >= 0);
if (fold != null && !fold.containsOrStartsOnLine(origLine)) {
// Found closest fold, but doesn't actually contain line
fold = null;
}
} catch (BadLocationException ble) {
ble.printStackTrace(); // Never happens
}
}
}
return fold;
}
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);
}
}
/**
* Overridden to show the content of a collapsed fold on mouse-overs.
*
* @param e The mouse location.
*/
public String getToolTipText(MouseEvent e) {
String text = null;
RSyntaxTextArea rsta = (RSyntaxTextArea) textArea;
if (rsta.isCodeFoldingEnabled()) {
FoldManager fm = rsta.getFoldManager();
int pos = rsta.viewToModel(new Point(0, e.getY()));
if (pos >= 0) { // Not -1
int line = 0;
try {
line = rsta.getLineOfOffset(pos);
} catch (BadLocationException ble) {
ble.printStackTrace(); // Never happens
return null;
}
Fold fold = fm.getFoldForLine(line);
if (fold != null && fold.isCollapsed()) {
int endLine = fold.getEndLine();
if (fold.getLineCount() > 25) { // Not too big
endLine = fold.getStartLine() + 25;
}
StringBuffer sb = new StringBuffer("<html><nobr>");
while (line <= endLine && line < rsta.getLineCount()) { // Sanity
Token t = rsta.getTokenListForLine(line);
while (t != null && t.isPaintable()) {
t.appendHTMLRepresentation(sb, rsta, true, true);
t = t.getNextToken();
}
sb.append("<br>");
line++;
}
text = sb.toString();
}
}
}
return text;
}