/**
* 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);
}
}
/** {@inheritDoc} */
public int yForLineContaining(Rectangle alloc, int offs) throws BadLocationException {
if (isAllocationValid()) {
// TODO: make cached Y_AXIS offsets valid even with folding enabled
// to speed this back up!
Rectangle r = (Rectangle) modelToView(offs, alloc, Bias.Forward);
if (r != null) {
if (host.isCodeFoldingEnabled()) {
int line = host.getLineOfOffset(offs);
FoldManager fm = host.getFoldManager();
if (fm.isLineHidden(line)) {
return -1;
}
}
return r.y;
}
}
return -1;
}
