private File notSelectedDocumentationChart() throws IOException, PropertyException, ChartDataException {
double notSelectedDocumentationCount = thesesDao.countThesesWithoutSelectedDocumentation();
double restCount = thesesDao.countTheses() - notSelectedDocumentationCount;
File f = File.createTempFile("chart", ".png");
new PieChart("Graf pom�ru prac� s vybranou dokumentac�", PIE_CHART_WIDTH, PIE_CHART_HEIGHT + 40,
new String[]{"Pr�ce s vybranou dokumentac�", "Pr�ce bez vybran� dokumentace"},
new double[]{restCount, notSelectedDocumentationCount}, true).saveChart(f);
return f;
}