public void refresh(Map<String, List<String[]>> viewData) { this.prviewData = viewData; initChartData(viewData); jfreeChartComp.setChart(computeChart()); jfreeChartComp.forceRedraw(); }
/** create a chart with empty dataset,so as to clear the blocking key chart. */ public void clearChart() { JFreeChart jfreechart = createBarChart("Number of rows", new HistogramDataset(), false); // $NON-NLS-1$ jfreeChartComp.setChart(jfreechart); jfreeChartComp.forceRedraw(); }