protected void bypassFilterAndSetText(StyledDocument doc, String text) {
try {
filter.setUpdateValue(false);
doc.remove(0, doc.getLength());
doc.insertString(0, text, null);
} catch (BadLocationException e) {
java.awt.Toolkit.getDefaultToolkit().beep();
} finally {
filter.setUpdateValue(true);
}
}
private void handleDecreaseIndent(int line, Element elem, StyledDocument doc)
throws BadLocationException {
int start = elem.getStartOffset();
int end = elem.getEndOffset() - 1;
doc.getText(start, end - start, segLine);
int i = segLine.offset;
end = i + segLine.count;
if (end > i) {
String leadingWS = PythonIndentation.getLeadingWhitespace(doc, start, end - start);
int toRemove = indentationLogic.checkDedent(leadingWS, line + 1);
doc.remove(start, toRemove);
}
}
void editorPane_keyPressed(KeyEvent e) {
StyledDocument doc = editorPane.getStyledDocument();
int pos = editorPane.getCaretPosition();
int code = e.getKeyCode();
Element el;
switch (code) {
case KeyEvent.VK_BACK_SPACE:
case KeyEvent.VK_DELETE:
case KeyEvent.VK_LEFT:
case KeyEvent.VK_KP_LEFT:
if (pos == 0) return;
// we want to get the element to the left of position.
el = doc.getCharacterElement(pos - 1);
break;
case KeyEvent.VK_RIGHT:
case KeyEvent.VK_KP_RIGHT:
// we want to get the element to the right of position.
el = doc.getCharacterElement(pos + 1);
break;
default:
return; // bail we don't handle it.
}
AttributeSet attr = el.getAttributes();
String el_name = (String) attr.getAttribute(StyleConstants.NameAttribute);
int el_range = el.getEndOffset() - el.getStartOffset() - 1;
if (el_name.startsWith("Parameter") && StyleConstants.getComponent(attr) != null) {
try {
switch (code) {
case KeyEvent.VK_BACK_SPACE:
case KeyEvent.VK_DELETE:
doc.remove(el.getStartOffset(), el_range);
break;
case KeyEvent.VK_LEFT:
case KeyEvent.VK_KP_LEFT:
editorPane.setCaretPosition(pos - el_range);
break;
case KeyEvent.VK_RIGHT:
case KeyEvent.VK_KP_RIGHT:
editorPane.setCaretPosition(pos + (el_range));
break;
}
} catch (BadLocationException ex) {
}
}
}