Example usage for org.apache.poi.xssf.streaming SXSSFSheet addMergedRegion

Introduction

In this page you can find the example usage for org.apache.poi.xssf.streaming SXSSFSheet addMergedRegion.

Prototype

@Override
public int addMergedRegion(CellRangeAddress region) 

Source Link

Document

Adds a merged region of cells (hence those cells form one)

Usage

From source file:com.plugin.excel.util.ExcelUtil.java

License:Apache License

/**
 * @param srcSheet/* w  ww  .j a v a2 s  .  co  m*/
 *            the sheet to copy.
 * @param destSheet
 *            the sheet to create.
 * @param srcRow
 *            the row to copy.
 * @param destRow
 *            the row to create.
 * @param styleMap
 *            -
 */
public static void copyRow(SXSSFSheet srcSheet, SXSSFSheet destSheet, Row srcRow, Row destRow,
        Map<Integer, CellStyle> styleMap) {
    // manage a list of merged zone in order to not insert two times a
    // merged zone
    Set<CellRangeAddressWrapper> mergedRegions = new TreeSet<CellRangeAddressWrapper>();
    destRow.setHeight(srcRow.getHeight());
    // pour chaque row
    for (int j = srcRow.getFirstCellNum(); j <= srcRow.getLastCellNum(); j++) {
        Cell oldCell = srcRow.getCell(j); // ancienne cell
        Cell newCell = destRow.getCell(j); // new cell
        if (oldCell != null) {
            if (newCell == null) {
                newCell = destRow.createCell(j);
            }
            // copy chaque cell
            copyCell(oldCell, newCell, styleMap);
            CellRangeAddress mergedRegion = getMergedRegion(srcSheet, srcRow.getRowNum(),
                    (short) oldCell.getColumnIndex());

            if (mergedRegion != null) {
                // System.out.println("Selected merged region: " +
                // mergedRegion.toString());
                CellRangeAddress newMergedRegion = new CellRangeAddress(mergedRegion.getFirstRow(),
                        mergedRegion.getLastRow(), mergedRegion.getFirstColumn(), mergedRegion.getLastColumn());
                // System.out.println("New merged region: " +
                // newMergedRegion.toString());
                CellRangeAddressWrapper wrapper = new CellRangeAddressWrapper(newMergedRegion);
                if (isNewMergedRegion(wrapper, mergedRegions)) {
                    mergedRegions.add(wrapper);
                    destSheet.addMergedRegion(wrapper.range);
                }
            }
        }
    }

}

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