*/
protected void installTabsToSpacesConverter() {
SourceViewerConfiguration config= getSourceViewerConfiguration();
if (config != null && fSourceViewer instanceof ITextViewerExtension7) {
int tabWidth= config.getTabWidth(fSourceViewer);
TabsToSpacesConverter tabToSpacesConverter= new TabsToSpacesConverter();
tabToSpacesConverter.setLineTracker(new DefaultLineTracker());
tabToSpacesConverter.setNumberOfSpacesPerTab(tabWidth);
((ITextViewerExtension7)fSourceViewer).setTabsToSpacesConverter(tabToSpacesConverter);
updateIndentPrefixes();
}
}