/**
* Loads the timing report fileName into the delay and offset windows.
* @param fileName Name of the TWR (timing report) file to load.
*/
private void internalLoadDesignTimingInfo(String fileName){
TraceReportParser parser = new TraceReportParser();
parser.parseTWR(fileName, design);
delays = parser.getPathDelays();
offsets = parser.getPathOffsets();
// Create 2 more tabs for timing information
delayWindow = new FilterWindow(this, FilterType.DELAYS);
offsetWindow = new FilterWindow(this, FilterType.OFFSETS);
tabs.addTab(delayWindow, PATH_DELAYS);