/** DOCUMENT ME! */
public void previous() {
for (int count = 0, i = buffer.getCurrentLine(); i >= 0; ) {
Element line = init(i);
int offset = line.getStartOffset();
int start = 0;
int end = 0;
while (matcher.find()) {
start = offset + matcher.start();
end = offset + matcher.end();
}
if (start != end) {
buffer.select(start, end);
break;
}
if (PreferenceManager.getBoolean("snr.warp", false) && (i == 0)) {
if (count > 1) {
Toolkit.getDefaultToolkit().beep();
break;
}
count++;
i = buffer.getLineCount() - 1;
} else {
i--;
}
}
}
/** DOCUMENT ME! */
public void replace() {
String replace = PreferenceManager.getString("snr.replace", "");
if ((replace != null) && !replace.equals("")) {
int start = buffer.getSelectionStart();
int end = buffer.getSelectionEnd();
if (start != end) {
Document doc = buffer.getDocument();
try {
doc.remove(start, end - start);
doc.insertString(start, replace, null);
} catch (BadLocationException e) {
log.error(e.getMessage(), e);
}
}
}
}
/**
* DOCUMENT ME!
*
* @param lineNumber DOCUMENT ME!
* @return DOCUMENT ME!
*/
private Element init(int lineNumber) {
Document doc = buffer.getDocument();
Element line = doc.getDefaultRootElement().getElement(lineNumber);
try {
int options = Pattern.DOTALL;
String find = PreferenceManager.getString("snr.find", "");
if ((find != null) && !find.equals("")) {
if (PreferenceManager.getBoolean("snr.case", false)) {
find = find.toLowerCase();
options |= Pattern.CASE_INSENSITIVE;
}
if (PreferenceManager.getBoolean("snr.whole", false)) {
find = "\\b" + find + "\\b";
}
int offset = line.getStartOffset();
int length = line.getEndOffset() - offset;
if (PreferenceManager.getInt("snr.direction", FORWARD) == FORWARD) {
if ((buffer.getSelectionEnd() > line.getStartOffset())
&& (buffer.getSelectionEnd() <= line.getEndOffset())) {
offset = buffer.getSelectionEnd();
length = line.getEndOffset() - offset;
}
} else {
if ((buffer.getSelectionStart() > line.getStartOffset())
&& (buffer.getSelectionStart() <= line.getEndOffset())) {
length = buffer.getSelectionStart() - offset;
}
}
String text = doc.getText(offset, length);
Pattern pattern = Pattern.compile(find, options);
this.matcher = pattern.matcher(text);
}
} catch (BadLocationException e) {
log.error(e.getMessage(), e);
}
return line;
}
/** DOCUMENT ME! */
public void next() {
for (int count = 0, i = buffer.getCurrentLine(); i < buffer.getLineCount(); ) {
Element line = init(i);
int offset = line.getStartOffset();
if (PreferenceManager.getInt("snr.direction", FORWARD) == FORWARD) {
if ((buffer.getSelectionEnd() > line.getStartOffset())
&& (buffer.getSelectionEnd() <= line.getEndOffset())) {
offset = buffer.getSelectionEnd();
}
}
if (matcher.find()) {
int start = offset + matcher.start();
int end = offset + matcher.end();
buffer.select(start, end);
break;
}
if (PreferenceManager.getBoolean("snr.warp", false) && (i == (buffer.getLineCount() - 1))) {
if (count > 1) {
Toolkit.getDefaultToolkit().beep();
break;
}
count++;
i = 0;
} else {
i++;
}
}
}