/**
* Calculates the width of the line represented by the given element.
*
* @param line The line for which to get the length.
* @param lineNumber The line number of the specified line in the document.
* @return The width of the line.
*/
private float getLineWidth(int lineNumber) {
Token tokenList = ((RSyntaxDocument) getDocument()).getTokenListForLine(lineNumber);
return RSyntaxUtilities.getTokenListWidth(tokenList, (RSyntaxTextArea) getContainer(), this);
}
