AsposeUpdateExistingChart.java

package asposefeatures.workingwithcharts.updatecharts.java;

import com.aspose.slides.ChartType;
import com.aspose.slides.IChart;
import com.aspose.slides.IChartDataWorkbook;
import com.aspose.slides.IChartSeries;
import com.aspose.slides.ISlide;
import com.aspose.slides.Presentation;
import com.aspose.slides.SaveFormat;

public class AsposeUpdateExistingChart
{
    public static void main(String[] args)
    {
	String dataPath = "src/asposefeatures/workingwithcharts/updatecharts/data/";
	
	// Instantiate Presentation class that represents PPTX file//Instantiate
	// Presentation class that represents PPTX file
	Presentation pres = new Presentation(dataPath + "AsposeChart.pptx");

	// Access first slide
	ISlide sld = pres.getSlides().get_Item(0);

	// Add chart with default data
	IChart chart = (IChart) sld.getShapes().get_Item(0);

	// Setting the index of chart data sheet
	int defaultWorksheetIndex = 0;

	// Getting the chart data worksheet
	IChartDataWorkbook fact = chart.getChartData().getChartDataWorkbook();

	// Changing chart Category Name
	fact.getCell(defaultWorksheetIndex, 1, 0, "Modified Category 1");
	fact.getCell(defaultWorksheetIndex, 2, 0, "Modified Category 2");

	// Take first chart series
	IChartSeries series = chart.getChartData().getSeries().get_Item(0);

	// Now updating series data
	fact.getCell(defaultWorksheetIndex, 0, 1, "New_Series1");// modifying
								 // series name
	series.getDataPoints().get_Item(0).getValue().setData(90);
	series.getDataPoints().get_Item(1).getValue().setData(123);
	series.getDataPoints().get_Item(2).getValue().setData(44);

	// Take Second chart series
	series = chart.getChartData().getSeries().get_Item(1);

	// Now updating series data
	fact.getCell(defaultWorksheetIndex, 0, 2, "New_Series2");// modifying
								 // series name
	series.getDataPoints().get_Item(0).getValue().setData(23);
	series.getDataPoints().get_Item(1).getValue().setData(67);
	series.getDataPoints().get_Item(2).getValue().setData(99);

	// Now, Adding a new series
	chart.getChartData().getSeries()
		.add(fact.getCell(defaultWorksheetIndex, 0, 3, "Series 3"), chart.getType());

	// Take 3rd chart series
	series = chart.getChartData().getSeries().get_Item(2);

	// Now populating series data
	series.getDataPoints().addDataPointForBarSeries(
		fact.getCell(defaultWorksheetIndex, 1, 3, 20));
	series.getDataPoints().addDataPointForBarSeries(
		fact.getCell(defaultWorksheetIndex, 2, 3, 50));
	series.getDataPoints().addDataPointForBarSeries(
		fact.getCell(defaultWorksheetIndex, 3, 3, 30));

	chart.setType(ChartType.ClusteredCylinder);

	// Save presentation with chart
	pres.save(dataPath + "AsposeChartModified.pptx", SaveFormat.Pptx);
	System.out.println("Done");

    }
}