Examples with XSSFWorkbook org.apache.poi.xssf.usermodel.XSSFWorkbook used on opensource projects

Example 51 with XSSFWorkbook

use of org.apache.poi.xssf.usermodel.XSSFWorkbook in project poi by apache.

the class TestXSSFChartTitle method createWorkbookWithChart.

private Workbook createWorkbookWithChart() {
    Workbook wb = new XSSFWorkbook();
    Sheet sheet = wb.createSheet("linechart");
    final int NUM_OF_ROWS = 3;
    final int NUM_OF_COLUMNS = 10;
    // Create a row and put some cells in it. Rows are 0 based.
    Row row;
    Cell cell;
    for (int rowIndex = 0; rowIndex < NUM_OF_ROWS; rowIndex++) {
        row = sheet.createRow((short) rowIndex);
        for (int colIndex = 0; colIndex < NUM_OF_COLUMNS; colIndex++) {
            cell = row.createCell((short) colIndex);
            cell.setCellValue(colIndex * (rowIndex + 1));
        }
    }
    Drawing<?> drawing = sheet.createDrawingPatriarch();
    ClientAnchor anchor = drawing.createAnchor(0, 0, 0, 0, 0, 5, 10, 15);
    Chart chart = drawing.createChart(anchor);
    ChartLegend legend = chart.getOrCreateLegend();
    legend.setPosition(LegendPosition.TOP_RIGHT);
    LineChartData data = chart.getChartDataFactory().createLineChartData();
    // Use a category axis for the bottom axis.
    ChartAxis bottomAxis = chart.getChartAxisFactory().createCategoryAxis(AxisPosition.BOTTOM);
    ValueAxis leftAxis = chart.getChartAxisFactory().createValueAxis(AxisPosition.LEFT);
    leftAxis.setCrosses(AxisCrosses.AUTO_ZERO);
    ChartDataSource<Number> xs = DataSources.fromNumericCellRange(sheet, new CellRangeAddress(0, 0, 0, NUM_OF_COLUMNS - 1));
    ChartDataSource<Number> ys1 = DataSources.fromNumericCellRange(sheet, new CellRangeAddress(1, 1, 0, NUM_OF_COLUMNS - 1));
    ChartDataSource<Number> ys2 = DataSources.fromNumericCellRange(sheet, new CellRangeAddress(2, 2, 0, NUM_OF_COLUMNS - 1));
    data.addSeries(xs, ys1);
    data.addSeries(xs, ys2);
    chart.plot(data, bottomAxis, leftAxis);
    return wb;
}

Example 52 with XSSFWorkbook

use of org.apache.poi.xssf.usermodel.XSSFWorkbook in project poi by apache.

the class TestXSSFLineChartData method testOneSeriePlot.

@Test
public void testOneSeriePlot() throws IOException {
    Workbook wb = new XSSFWorkbook();
    Sheet sheet = new SheetBuilder(wb, plotData).build();
    Drawing<?> drawing = sheet.createDrawingPatriarch();
    ClientAnchor anchor = drawing.createAnchor(0, 0, 0, 0, 1, 1, 10, 30);
    Chart chart = drawing.createChart(anchor);
    ChartAxis bottomAxis = chart.getChartAxisFactory().createCategoryAxis(AxisPosition.BOTTOM);
    ChartAxis leftAxis = chart.getChartAxisFactory().createValueAxis(AxisPosition.LEFT);
    LineChartData lineChartData = chart.getChartDataFactory().createLineChartData();
    ChartDataSource<String> xs = DataSources.fromStringCellRange(sheet, CellRangeAddress.valueOf("A1:J1"));
    ChartDataSource<Number> ys = DataSources.fromNumericCellRange(sheet, CellRangeAddress.valueOf("A2:J2"));
    LineChartSeries series = lineChartData.addSeries(xs, ys);
    assertNotNull(series);
    assertEquals(1, lineChartData.getSeries().size());
    assertTrue(lineChartData.getSeries().contains(series));
    chart.plot(lineChartData, bottomAxis, leftAxis);
    wb.close();
}

Example 53 with XSSFWorkbook

use of org.apache.poi.xssf.usermodel.XSSFWorkbook in project poi by apache.

the class TestXSSFCellFill method testColorFromTheme.

@Test
public void testColorFromTheme() throws IOException {
    XSSFWorkbook wb = XSSFTestDataSamples.openSampleWorkbook("styles.xlsx");
    XSSFCell cellWithThemeColor = wb.getSheetAt(0).getRow(10).getCell(0);
    //color RGB will be extracted from theme
    XSSFColor foregroundColor = cellWithThemeColor.getCellStyle().getFillForegroundXSSFColor();
    byte[] rgb = foregroundColor.getRGB();
    byte[] rgbWithTint = foregroundColor.getRGBWithTint();
    // Dk2
    assertEquals(rgb[0], 31);
    assertEquals(rgb[1], 73);
    assertEquals(rgb[2], 125);
    // Dk2, lighter 40% (tint is about 0.39998)
    // 31 * (1.0 - 0.39998) + (255 - 255 * (1.0 - 0.39998)) = 120.59552 => 120 (byte)
    // 73 * (1.0 - 0.39998) + (255 - 255 * (1.0 - 0.39998)) = 145.79636 => -111 (byte)
    // 125 * (1.0 - 0.39998) + (255 - 255 * (1.0 - 0.39998)) = 176.99740 => -80 (byte)
    assertEquals(rgbWithTint[0], 120);
    assertEquals(rgbWithTint[1], -111);
    assertEquals(rgbWithTint[2], -80);
    wb.close();
}

Example 54 with XSSFWorkbook

use of org.apache.poi.xssf.usermodel.XSSFWorkbook in project poi by apache.

the class TestColumnHelper method testGetSetColDefaultStyle.

@Test
public void testGetSetColDefaultStyle() throws IOException {
    XSSFWorkbook workbook = new XSSFWorkbook();
    XSSFSheet sheet = workbook.createSheet();
    CTWorksheet ctWorksheet = sheet.getCTWorksheet();
    ColumnHelper columnHelper = sheet.getColumnHelper();
    // POI column 3, OOXML column 4
    CTCol col = columnHelper.getOrCreateColumn1Based(4, false);
    assertNotNull(col);
    assertNotNull(columnHelper.getColumn(3, false));
    columnHelper.setColDefaultStyle(3, 2);
    assertEquals(2, columnHelper.getColDefaultStyle(3));
    assertEquals(-1, columnHelper.getColDefaultStyle(4));
    StylesTable stylesTable = workbook.getStylesSource();
    CTXf cellXf = CTXf.Factory.newInstance();
    cellXf.setFontId(0);
    cellXf.setFillId(0);
    cellXf.setBorderId(0);
    cellXf.setNumFmtId(0);
    cellXf.setXfId(0);
    stylesTable.putCellXf(cellXf);
    CTCol col_2 = ctWorksheet.getColsArray(0).addNewCol();
    col_2.setMin(10);
    col_2.setMax(12);
    col_2.setStyle(1);
    assertEquals(1, columnHelper.getColDefaultStyle(11));
    XSSFCellStyle cellStyle = new XSSFCellStyle(0, 0, stylesTable, null);
    columnHelper.setColDefaultStyle(11, cellStyle);
    assertEquals(0, col_2.getStyle());
    assertEquals(1, columnHelper.getColDefaultStyle(10));
    workbook.close();
}

Example 55 with XSSFWorkbook

use of org.apache.poi.xssf.usermodel.XSSFWorkbook 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();
    }
}