Example usage for org.apache.poi.xssf.usermodel.helpers ColumnHelper getColumn

Introduction

In this page you can find the example usage for org.apache.poi.xssf.usermodel.helpers ColumnHelper getColumn.

Prototype

public CTCol getColumn(long index, boolean splitColumns) 

Source Link

Document

Returns the Column at the given 0 based index

Usage

From source file:org.bbreak.excella.core.util.PoiUtil.java

License:Open Source License

/**
 * ?/*from   w w w  .  ja  va 2s  .com*/
 * 
 * @param fromSheet 
 * @param rangeAddress 
 * @param toSheet 
 * @param toRowNum 
 * @param toColumnNum 
 * @param clearFromRange 
 */
public static void copyRange(Sheet fromSheet, CellRangeAddress rangeAddress, Sheet toSheet, int toRowNum,
        int toColumnNum, boolean clearFromRange) {

    if (fromSheet == null || rangeAddress == null || toSheet == null) {
        return;
    }

    int fromRowIndex = rangeAddress.getFirstRow();
    int fromColumnIndex = rangeAddress.getFirstColumn();

    int rowNumOffset = toRowNum - fromRowIndex;
    int columnNumOffset = toColumnNum - fromColumnIndex;

    // 
    CellRangeAddress toAddress = new CellRangeAddress(rangeAddress.getFirstRow() + rowNumOffset,
            rangeAddress.getLastRow() + rowNumOffset, rangeAddress.getFirstColumn() + columnNumOffset,
            rangeAddress.getLastColumn() + columnNumOffset);

    Workbook fromWorkbook = fromSheet.getWorkbook();
    Sheet baseSheet = fromSheet;

    Sheet tmpSheet = null;
    // ?????
    if (fromSheet.equals(toSheet) && crossRangeAddress(rangeAddress, toAddress)) {
        // ?
        tmpSheet = fromWorkbook.getSheet(TMP_SHEET_NAME);
        if (tmpSheet == null) {
            tmpSheet = fromWorkbook.createSheet(TMP_SHEET_NAME);
        }
        baseSheet = tmpSheet;

        int lastColNum = getLastColNum(fromSheet);
        for (int i = 0; i <= lastColNum; i++) {
            tmpSheet.setColumnWidth(i, fromSheet.getColumnWidth(i));
        }

        copyRange(fromSheet, rangeAddress, tmpSheet, rangeAddress.getFirstRow(), rangeAddress.getFirstColumn(),
                false);

        // ?
        if (clearFromRange) {
            clearRange(fromSheet, rangeAddress);
        }
    }

    // ????
    Set<CellRangeAddress> targetCellSet = getMergedAddress(baseSheet, rangeAddress);
    // ???
    clearRange(toSheet, toAddress);

    // ???
    for (CellRangeAddress mergeAddress : targetCellSet) {

        toSheet.addMergedRegion(new CellRangeAddress(mergeAddress.getFirstRow() + rowNumOffset,
                mergeAddress.getLastRow() + rowNumOffset, mergeAddress.getFirstColumn() + columnNumOffset,
                mergeAddress.getLastColumn() + columnNumOffset));

    }

    for (int i = rangeAddress.getFirstRow(); i <= rangeAddress.getLastRow(); i++) {
        // 
        Row fromRow = baseSheet.getRow(i);
        if (fromRow == null) {
            continue;
        }
        Row row = toSheet.getRow(i + rowNumOffset);
        if (row == null) {
            row = toSheet.createRow(i + rowNumOffset);
            row.setHeight((short) 0);
        }

        // ??????
        int fromRowHeight = fromRow.getHeight();
        int toRowHeight = row.getHeight();
        if (toRowHeight < fromRowHeight) {
            row.setHeight(fromRow.getHeight());
        }

        ColumnHelper columnHelper = null;
        if (toSheet instanceof XSSFSheet) {
            XSSFSheet xssfSheet = (XSSFSheet) toSheet.getWorkbook()
                    .getSheetAt(toSheet.getWorkbook().getSheetIndex(toSheet));
            CTWorksheet ctWorksheet = xssfSheet.getCTWorksheet();
            columnHelper = new ColumnHelper(ctWorksheet);
        }

        for (int j = rangeAddress.getFirstColumn(); j <= rangeAddress.getLastColumn(); j++) {
            Cell fromCell = fromRow.getCell(j);
            if (fromCell == null) {
                continue;
            }
            int maxColumn = SpreadsheetVersion.EXCEL97.getMaxColumns();
            if (toSheet instanceof XSSFSheet) {
                maxColumn = SpreadsheetVersion.EXCEL2007.getMaxColumns();
            }
            if (j + columnNumOffset >= maxColumn) {
                break;
            }
            Cell cell = row.getCell(j + columnNumOffset);
            if (cell == null) {
                cell = row.createCell(j + columnNumOffset);
                if (toSheet instanceof XSSFSheet) {
                    // XSSF??????????
                    CTCol col = columnHelper.getColumn(cell.getColumnIndex(), false);
                    if (col == null || !col.isSetWidth()) {
                        toSheet.setColumnWidth(cell.getColumnIndex(), baseSheet.getColumnWidth(j));
                    }
                }
            }

            // ?
            copyCell(fromCell, cell);

            // ??????
            int fromColumnWidth = baseSheet.getColumnWidth(j);
            int toColumnWidth = toSheet.getColumnWidth(j + columnNumOffset);

            if (toColumnWidth < fromColumnWidth) {
                toSheet.setColumnWidth(j + columnNumOffset, baseSheet.getColumnWidth(j));
            }
        }
    }

    if (tmpSheet != null) {
        // 
        fromWorkbook.removeSheetAt(fromWorkbook.getSheetIndex(tmpSheet));
    } else if (clearFromRange) {
        // ????
        clearRange(fromSheet, rangeAddress);
    }

}

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