Examples with CTSerTx org.openxmlformats.schemas.drawingml.x2006.chart.CTSerTx used on opensource projects

Example 1 with CTSerTx

use of org.openxmlformats.schemas.drawingml.x2006.chart.CTSerTx in project poi by apache.

the class PieChartDemo method main.

public static void main(String[] args) throws Exception {
    if (args.length < 2) {
        usage();
        return;
    }
    BufferedReader modelReader = new BufferedReader(new FileReader(args[1]));
    XMLSlideShow pptx = null;
    try {
        // first line is chart title
        String chartTitle = modelReader.readLine();
        pptx = new XMLSlideShow(new FileInputStream(args[0]));
        XSLFSlide slide = pptx.getSlides().get(0);
        // find chart in the slide
        XSLFChart chart = null;
        for (POIXMLDocumentPart part : slide.getRelations()) {
            if (part instanceof XSLFChart) {
                chart = (XSLFChart) part;
                break;
            }
        }
        if (chart == null)
            throw new IllegalStateException("chart not found in the template");
        // embedded Excel workbook that holds the chart data
        POIXMLDocumentPart xlsPart = chart.getRelations().get(0);
        XSSFWorkbook wb = new XSSFWorkbook();
        try {
            XSSFSheet sheet = wb.createSheet();
            CTChart ctChart = chart.getCTChart();
            CTPlotArea plotArea = ctChart.getPlotArea();
            CTPieChart pieChart = plotArea.getPieChartArray(0);
            //Pie Chart Series
            CTPieSer ser = pieChart.getSerArray(0);
            // Series Text
            CTSerTx tx = ser.getTx();
            tx.getStrRef().getStrCache().getPtArray(0).setV(chartTitle);
            sheet.createRow(0).createCell(1).setCellValue(chartTitle);
            String titleRef = new CellReference(sheet.getSheetName(), 0, 1, true, true).formatAsString();
            tx.getStrRef().setF(titleRef);
            // Category Axis Data
            CTAxDataSource cat = ser.getCat();
            CTStrData strData = cat.getStrRef().getStrCache();
            // Values
            CTNumDataSource val = ser.getVal();
            CTNumData numData = val.getNumRef().getNumCache();
            // unset old axis text
            strData.setPtArray(null);
            // unset old values
            numData.setPtArray(null);
            // set model
            int idx = 0;
            int rownum = 1;
            String ln;
            while ((ln = modelReader.readLine()) != null) {
                String[] vals = ln.split("\\s+");
                CTNumVal numVal = numData.addNewPt();
                numVal.setIdx(idx);
                numVal.setV(vals[1]);
                CTStrVal sVal = strData.addNewPt();
                sVal.setIdx(idx);
                sVal.setV(vals[0]);
                idx++;
                XSSFRow row = sheet.createRow(rownum++);
                row.createCell(0).setCellValue(vals[0]);
                row.createCell(1).setCellValue(Double.valueOf(vals[1]));
            }
            numData.getPtCount().setVal(idx);
            strData.getPtCount().setVal(idx);
            String numDataRange = new CellRangeAddress(1, rownum - 1, 1, 1).formatAsString(sheet.getSheetName(), true);
            val.getNumRef().setF(numDataRange);
            String axisDataRange = new CellRangeAddress(1, rownum - 1, 0, 0).formatAsString(sheet.getSheetName(), true);
            cat.getStrRef().setF(axisDataRange);
            // updated the embedded workbook with the data
            OutputStream xlsOut = xlsPart.getPackagePart().getOutputStream();
            try {
                wb.write(xlsOut);
            } finally {
                xlsOut.close();
            }
            // save the result
            OutputStream out = new FileOutputStream("pie-chart-demo-output.pptx");
            try {
                pptx.write(out);
            } finally {
                out.close();
            }
        } finally {
            wb.close();
        }
    } finally {
        if (pptx != null)
            pptx.close();
        modelReader.close();
    }
}

Example 2 with CTSerTx

use of org.openxmlformats.schemas.drawingml.x2006.chart.CTSerTx in project poi by apache.

the class TestXSLFChart method testFillChartTemplate.

/**
     * a modified version from POI-examples
     */
@Test
public void testFillChartTemplate() throws IOException {
    // first line is chart title
    String chartTitle = "Apache POI";
    XMLSlideShow pptx = XSLFTestDataSamples.openSampleDocument("pie-chart.pptx");
    XSLFSlide slide = pptx.getSlides().get(0);
    // find chart in the slide
    XSLFChart chart = null;
    for (POIXMLDocumentPart part : slide.getRelations()) {
        if (part instanceof XSLFChart) {
            chart = (XSLFChart) part;
            break;
        }
    }
    if (chart == null)
        throw new IllegalStateException("chart not found in the template");
    // embedded Excel workbook that holds the chart data
    POIXMLDocumentPart xlsPart = chart.getRelations().get(0);
    XSSFWorkbook wb = new XSSFWorkbook();
    XSSFSheet sheet = wb.createSheet();
    CTChart ctChart = chart.getCTChart();
    CTPlotArea plotArea = ctChart.getPlotArea();
    CTPieChart pieChart = plotArea.getPieChartArray(0);
    //Pie Chart Series
    CTPieSer ser = pieChart.getSerArray(0);
    // Series Text
    CTSerTx tx = ser.getTx();
    tx.getStrRef().getStrCache().getPtArray(0).setV(chartTitle);
    sheet.createRow(0).createCell(1).setCellValue(chartTitle);
    String titleRef = new CellReference(sheet.getSheetName(), 0, 1, true, true).formatAsString();
    tx.getStrRef().setF(titleRef);
    // Category Axis Data
    CTAxDataSource cat = ser.getCat();
    CTStrData strData = cat.getStrRef().getStrCache();
    // Values
    CTNumDataSource valSrc = ser.getVal();
    CTNumData numData = valSrc.getNumRef().getNumCache();
    // unset old axis text
    strData.setPtArray(null);
    // unset old values
    numData.setPtArray(null);
    Map<String, Double> pieModel = new LinkedHashMap<String, Double>();
    pieModel.put("First", 1.0);
    pieModel.put("Second", 3.0);
    pieModel.put("Third", 4.0);
    // set model
    int idx = 0;
    int rownum = 1;
    for (String key : pieModel.keySet()) {
        double val = pieModel.get(key);
        CTNumVal numVal = numData.addNewPt();
        numVal.setIdx(idx);
        numVal.setV("" + val);
        CTStrVal sVal = strData.addNewPt();
        sVal.setIdx(idx);
        sVal.setV(key);
        idx++;
        XSSFRow row = sheet.createRow(rownum++);
        row.createCell(0).setCellValue(key);
        row.createCell(1).setCellValue(val);
    }
    numData.getPtCount().setVal(idx);
    strData.getPtCount().setVal(idx);
    String numDataRange = new CellRangeAddress(1, rownum - 1, 1, 1).formatAsString(sheet.getSheetName(), true);
    valSrc.getNumRef().setF(numDataRange);
    String axisDataRange = new CellRangeAddress(1, rownum - 1, 0, 0).formatAsString(sheet.getSheetName(), true);
    cat.getStrRef().setF(axisDataRange);
    // updated the embedded workbook with the data
    OutputStream xlsOut = xlsPart.getPackagePart().getOutputStream();
    wb.write(xlsOut);
    xlsOut.close();
    wb.close();
}