Example usage for org.apache.poi.ss.usermodel Cell getCellStyle

List of usage examples for org.apache.poi.ss.usermodel Cell getCellStyle

  1. HOME
  2. Java
  3. org.apache.poi
  4. org.apache.poi.ss.usermodel.*
  5. Cell
  6. getCellStyle

Introduction

In this page you can find the example usage for org.apache.poi.ss.usermodel Cell getCellStyle.

Prototype

CellStyle getCellStyle();

Source Link

Document

Return the cell's style.

Usage

From source file:com.vaadin.addon.spreadsheet.CellValueManager.java

License:Open Source License

private String getCachedFormulaCellValue(Cell formulaCell) {
    String result = null;/*w w w  .jav  a  2 s.  c om*/
    switch (formulaCell.getCachedFormulaResultType()) {
    case Cell.CELL_TYPE_STRING:
        result = formulaCell.getStringCellValue();
        break;
    case Cell.CELL_TYPE_BOOLEAN:
        result = String.valueOf(formulaCell.getBooleanCellValue());
        break;
    case Cell.CELL_TYPE_ERROR:
        result = ErrorEval.getText(formulaCell.getErrorCellValue());
        break;
    case Cell.CELL_TYPE_NUMERIC:
        CellStyle style = formulaCell.getCellStyle();
        result = formatter.formatRawCellContents(formulaCell.getNumericCellValue(), style.getDataFormat(),
                style.getDataFormatString());
        break;
    }
    return result;
}

From source file:com.vaadin.addon.spreadsheet.CellValueManager.java

License:Open Source License

protected CellData createCellDataForCell(Cell cell) {
    CellData cellData = new CellData();
    cellData.row = cell.getRowIndex() + 1;
    cellData.col = cell.getColumnIndex() + 1;
    CellStyle cellStyle = cell.getCellStyle();
    cellData.cellStyle = "cs" + cellStyle.getIndex();
    cellData.locked = spreadsheet.isCellLocked(cell);
    try {//from   w  ww  .  j  a va2 s .c o m
        if (!spreadsheet.isCellHidden(cell)) {
            if (cell.getCellType() == Cell.CELL_TYPE_FORMULA) {
                cellData.formulaValue = formulaFormatter.reFormatFormulaValue(cell.getCellFormula(),
                        spreadsheet.getLocale());
                try {
                    String oldValue = getCachedFormulaCellValue(cell);
                    String newValue = formatter.formatCellValue(cell, getFormulaEvaluator());
                    if (!newValue.equals(oldValue)) {
                        changedFormulaCells.add(new CellReference(cell));
                    }
                } catch (RuntimeException rte) {
                    // Apache POI throws RuntimeExceptions for an invalid
                    // formula from POI model
                    String formulaValue = cell.getCellFormula();
                    cell.setCellType(Cell.CELL_TYPE_STRING);
                    cell.setCellValue(formulaValue);
                    spreadsheet.markInvalidFormula(cell.getColumnIndex() + 1, cell.getRowIndex() + 1);
                }

            }
        }

        if (cell.getCellStyle().getDataFormatString().contains("%")) {
            cellData.isPercentage = true;
        }

        String formattedCellValue = formatter.formatCellValue(cell, getFormulaEvaluator());

        if (!spreadsheet.isCellHidden(cell)) {
            if (cell.getCellType() == Cell.CELL_TYPE_FORMULA || cell.getCellType() == Cell.CELL_TYPE_NUMERIC) {
                formattedCellValue = formattedCellValue.replaceAll("^-(?=0(.0*)?$)", "");
            }
        }
        if (spreadsheet.isMarkedAsInvalidFormula(cellData.col, cellData.row)) {
            // The prefix '=' or '+' should not be included in formula value
            if (cell.getStringCellValue().charAt(0) == '+' || cell.getStringCellValue().charAt(0) == '=') {
                cellData.formulaValue = cell.getStringCellValue().substring(1);
            }
            formattedCellValue = "#VALUE!";
        }

        if (formattedCellValue != null && !formattedCellValue.isEmpty() || cellStyle.getIndex() != 0) {
            // if the cell is not wrapping text, and is of type numeric or
            // formula (but not date), calculate if formatted cell value
            // fits the column width and possibly use scientific notation.
            cellData.value = formattedCellValue;
            cellData.needsMeasure = false;
            if (!cellStyle.getWrapText()
                    && (!SpreadsheetUtil.cellContainsDate(cell) && cell.getCellType() == Cell.CELL_TYPE_NUMERIC
                            || cell.getCellType() == Cell.CELL_TYPE_STRING
                            || (cell.getCellType() == Cell.CELL_TYPE_FORMULA
                                    && !cell.getCellFormula().startsWith("HYPERLINK")))) {
                if (!doesValueFit(cell, formattedCellValue)) {
                    if (valueContainsOnlyNumbers(formattedCellValue) && isGenerallCell(cell)) {
                        cellData.value = cellValueFormatter.getScientificNotationStringForNumericCell(
                                cell.getNumericCellValue(), formattedCellValue,
                                cellStyleWidthRatioMap.get((int) cell.getCellStyle().getIndex()),
                                spreadsheet.getState(false).colW[cell.getColumnIndex()] - 10);
                    } else if (cell.getCellType() != Cell.CELL_TYPE_STRING) {
                        cellData.needsMeasure = true;
                    }
                }
            }

            if (cellStyle.getAlignment() == CellStyle.ALIGN_RIGHT) {
                cellData.cellStyle = cellData.cellStyle + " r";
            } else if (cellStyle.getAlignment() == CellStyle.ALIGN_GENERAL) {
                if (SpreadsheetUtil.cellContainsDate(cell) || cell.getCellType() == Cell.CELL_TYPE_NUMERIC
                        || (cell.getCellType() == Cell.CELL_TYPE_FORMULA
                                && !cell.getCellFormula().startsWith("HYPERLINK")
                                && !(cell.getCachedFormulaResultType() == Cell.CELL_TYPE_STRING))) {
                    cellData.cellStyle = cellData.cellStyle + " r";
                }
            }

        }

        // conditional formatting might be applied even if there isn't a
        // value (such as borders for the cell to the right)
        Set<Integer> cellFormattingIndexes = spreadsheet.getConditionalFormatter().getCellFormattingIndex(cell);
        if (cellFormattingIndexes != null) {

            for (Integer i : cellFormattingIndexes) {
                cellData.cellStyle = cellData.cellStyle + " cf" + i;
            }

            markedCells.add(SpreadsheetUtil.toKey(cell));
        }

        if (cell.getCellType() == Cell.CELL_TYPE_NUMERIC && DateUtil.isCellDateFormatted(cell)) {
            cellData.originalValue = cellData.value;
        } else {
            cellData.originalValue = getOriginalCellValue(cell);
        }

        handleIsDisplayZeroPreference(cell, cellData);
    } catch (RuntimeException rte) {
        LOGGER.log(Level.FINEST, rte.getMessage(), rte);
        cellData.value = "#VALUE!";
    }

    return cellData;
}

From source file:com.vaadin.addon.spreadsheet.CellValueManager.java

License:Open Source License

/**
 * Check if the given cell is a numeric cell, and specifically the data
 * format is "General". In Excel and Spreadsheet this is the default type
 * for cells.// w  ww. j  ava2  s .c o m
 */
private boolean isGenerallCell(Cell cell) {
    return cell.getCellType() == Cell.CELL_TYPE_NUMERIC
            && cell.getCellStyle().getDataFormatString().contains("General");
}

From source file:com.vaadin.addon.spreadsheet.CellValueManager.java

License:Open Source License

private boolean doesValueFit(Cell cell, String value) {
    Float r = cellStyleWidthRatioMap.get((int) cell.getCellStyle().getIndex());
    if (r == null) {
        return true;
    }/*from  w  w w  .  j ava  2 s.  c  o m*/
    BigDecimal ratio = new BigDecimal(r);
    BigDecimal stringPixels = ratio.multiply(new BigDecimal(value.length()));
    // The -4 here is for 2px cell left/right padding
    // FIXME We should probably measure this from the actual value since it
    // might be changed in the style
    BigDecimal columnWidth = new BigDecimal(spreadsheet.getState(false).colW[cell.getColumnIndex()] - 4);
    return stringPixels.compareTo(columnWidth) <= 0;
}

From source file:com.vaadin.addon.spreadsheet.CellValueManager.java

License:Open Source License

/**
 * Updates the cell value and type, causes a recalculation of all the values
 * in the cell.//w  ww .  j a  v a 2  s .  c  om
 *
 * If there is a {@link CellValueHandler} defined, then it is used.
 *
 * Cells starting with "=" or "+" will be created/changed into FORMULA type.
 *
 * Cells that are existing and are NUMERIC type will be parsed according to
 * their existing format, or if that fails, as Double.
 *
 * Cells not containing any letters and containing at least one number will
 * be created/changed into NUMERIC type (formatting is not changed).
 *
 * Existing Boolean cells will be parsed as Boolean.
 *
 * For everything else and if any of the above fail, the cell will get the
 * STRING type and the value will just be a string, except empty values will
 * cause the cell type to be BLANK.
 *
 * @param col
 *            Column index of target cell, 1-based
 * @param row
 *            Row index of target cell, 1-based
 * @param value
 *            The new value to set to the target cell, formulas will start
 *            with an extra "=" or "+"
 */
public void onCellValueChange(int col, int row, String value) {
    Workbook workbook = spreadsheet.getWorkbook();
    // update cell value
    final Sheet activeSheet = workbook.getSheetAt(workbook.getActiveSheetIndex());
    Row r = activeSheet.getRow(row - 1);
    if (r == null) {
        r = activeSheet.createRow(row - 1);
    }
    Cell cell = r.getCell(col - 1);
    String formattedCellValue = null;
    int oldCellType = -1;
    // capture cell value to history
    CellValueCommand command = new CellValueCommand(spreadsheet);
    command.captureCellValues(new CellReference(row - 1, col - 1));
    spreadsheet.getSpreadsheetHistoryManager().addCommand(command);
    boolean updateHyperlinks = false;

    if (getCustomCellValueHandler() == null || getCustomCellValueHandler().cellValueUpdated(cell, activeSheet,
            col - 1, row - 1, value, getFormulaEvaluator(), formatter)) {
        Exception exception = null;
        try {
            // handle new cell creation
            SpreadsheetStyleFactory styler = spreadsheet.getSpreadsheetStyleFactory();
            final Locale spreadsheetLocale = spreadsheet.getLocale();
            if (cell == null) {
                cell = r.createCell(col - 1);
            } else {
                // modify existing cell, possibly switch type
                formattedCellValue = getFormattedCellValue(cell);
                final String key = SpreadsheetUtil.toKey(col, row);
                oldCellType = cell.getCellType();
                if (!sentCells.remove(key)) {
                    sentFormulaCells.remove(key);
                }

                // Old value was hyperlink => needs refresh
                if (cell.getCellType() == Cell.CELL_TYPE_FORMULA
                        && cell.getCellFormula().startsWith("HYPERLINK")) {
                    updateHyperlinks = true;
                }
            }
            if (formulaFormatter.isFormulaFormat(value)) {
                if (formulaFormatter.isValidFormulaFormat(value, spreadsheetLocale)) {
                    spreadsheet.removeInvalidFormulaMark(col, row);
                    getFormulaEvaluator().notifyUpdateCell(cell);
                    cell.setCellType(Cell.CELL_TYPE_FORMULA);
                    cell.setCellFormula(
                            formulaFormatter.unFormatFormulaValue(value.substring(1), spreadsheetLocale));
                    getFormulaEvaluator().notifySetFormula(cell);
                    if (value.startsWith("=HYPERLINK(")
                            && cell.getCellStyle().getIndex() != hyperlinkStyleIndex) {
                        // set the cell style to link cell
                        CellStyle hyperlinkCellStyle;
                        if (hyperlinkStyleIndex == -1) {
                            hyperlinkCellStyle = styler.createHyperlinkCellStyle();
                            hyperlinkStyleIndex = -1;
                        } else {
                            hyperlinkCellStyle = workbook.getCellStyleAt(hyperlinkStyleIndex);
                        }
                        cell.setCellStyle(hyperlinkCellStyle);
                        styler.cellStyleUpdated(cell, true);
                        updateHyperlinks = true;
                    }
                } else {
                    // it's formula but invalid
                    cell.setCellType(Cell.CELL_TYPE_STRING);
                    cell.setCellValue(value);
                    spreadsheet.markInvalidFormula(col, row);
                }
            } else {
                spreadsheet.removeInvalidFormulaMark(col, row);
                Double percentage = SpreadsheetUtil.parsePercentage(value, spreadsheetLocale);
                Double numVal = SpreadsheetUtil.parseNumber(cell, value, spreadsheetLocale);
                if (value.isEmpty()) {
                    cell.setCellType(Cell.CELL_TYPE_BLANK);
                } else if (percentage != null) {
                    cell.setCellType(Cell.CELL_TYPE_NUMERIC);
                    CellStyle cs = cell.getCellStyle();
                    if (cs == null) {
                        cs = workbook.createCellStyle();
                        cell.setCellStyle(cs);
                    }

                    if (cs.getDataFormatString() != null && !cs.getDataFormatString().contains("%")) {
                        cs.setDataFormat(workbook.createDataFormat()
                                .getFormat(spreadsheet.getDefaultPercentageFormat()));
                        styler.cellStyleUpdated(cell, true);
                    }
                    cell.setCellValue(percentage);
                } else if (numVal != null) {
                    cell.setCellType(Cell.CELL_TYPE_NUMERIC);
                    cell.setCellValue(numVal);
                } else if (oldCellType == Cell.CELL_TYPE_BOOLEAN) {
                    cell.setCellValue(Boolean.parseBoolean(value));
                } else {
                    cell.setCellType(Cell.CELL_TYPE_STRING);
                    cell.setCellValue(value);
                }
                getFormulaEvaluator().notifyUpdateCell(cell);
            }

        } catch (FormulaParseException fpe) {
            try {
                exception = fpe;

                // parses formula
                cell.setCellFormula(value.substring(1).replace(" ", ""));
            } catch (FormulaParseException fpe2) {
                exception = fpe2;
                /*
                 * We could force storing the formula even if it is invalid.
                 * Instead, just store it as the value. Clearing the formula
                 * makes sure the value is displayed as-is.
                 */
                cell.setCellType(Cell.CELL_TYPE_STRING);
                cell.setCellValue(value);
                spreadsheet.markInvalidFormula(col, row);
            }
        } catch (NumberFormatException nfe) {
            exception = nfe;
            cell.setCellValue(value);
        } catch (Exception e) {
            exception = e;
            cell.setCellValue(value);
        }
        if (cell != null) {
            markCellForUpdate(cell);
            if (formattedCellValue == null || !formattedCellValue.equals(getFormattedCellValue(cell))
                    || oldCellType != cell.getCellType()) {
                fireCellValueChangeEvent(cell);
            }
        }
        if (exception != null) {
            LOGGER.log(Level.FINE, "Failed to parse cell value for cell at col " + col + " row " + row + " ("
                    + exception.getMessage() + ")", exception);
        }
    }

    spreadsheet.updateMarkedCells();

    if (updateHyperlinks) {
        spreadsheet.loadHyperLinks();
    }
}

From source file:com.vaadin.addon.spreadsheet.CellValueManager.java

License:Open Source License

/**
 * Attempts to parse a numeric value from the given String and set it to the
 * given Cell.//from ww w. j a  v a2  s  . c o m
 *
 * @param cell
 *            Target Cell
 * @param value
 *            Source for parsing the value
 */
protected void parseValueIntoNumericCell(final Cell cell, final String value) {
    // try to parse the string with the existing cell format
    Format oldFormat = formatter.createFormat(cell);
    if (oldFormat != null) {
        try {
            final Object parsedObject = oldFormat.parseObject(value);
            if (parsedObject instanceof Date) {
                cell.setCellValue((Date) parsedObject);
            } else if (parsedObject instanceof Calendar) {
                cell.setCellValue((Calendar) parsedObject);
            } else if (parsedObject instanceof Number) {
                cell.setCellValue(((Number) parsedObject).doubleValue());
            } else {
                cell.setCellValue(Double.parseDouble(value));
            }
        } catch (ParseException pe) {
            LOGGER.log(Level.FINEST, "Could not parse String to format, " + oldFormat.getClass() + ", "
                    + cell.getCellStyle().getDataFormatString() + " : " + pe.getMessage(), pe);
            try {
                cell.setCellValue(Double.parseDouble(value));
            } catch (NumberFormatException nfe) {
                LOGGER.log(Level.FINEST, "Could not parse String to Double: " + nfe.getMessage(), nfe);
                cell.setCellValue(value);
            }
        } catch (NumberFormatException nfe) {
            LOGGER.log(Level.FINEST, "Could not parse String to Double: " + nfe.getMessage(), nfe);
            cell.setCellValue(value);
        }
    }
}

From source file:com.vaadin.addon.spreadsheet.CellValueManager.java

License:Open Source License

/**
 * Method for updating cells that are marked for update and formula cells.
 *
 * Iterates over the whole sheet (existing rows and columns) and updates
 * client side cache for all sent formula cells, and cells that have been
 * marked for updating./*from w w  w.  jav  a  2s . c o m*/
 *
 */
protected void updateMarkedCellValues() {
    final ArrayList<CellData> updatedCellData = new ArrayList<CellData>();
    Sheet sheet = spreadsheet.getActiveSheet();
    // it is unnecessary to worry about having custom components in the cell
    // because the client side handles it -> it will not replace a custom
    // component with a cell value

    // update all cached formula cell values on client side, because they
    // might have changed. also make sure all marked cells are updated
    Iterator<Row> rows = sheet.rowIterator();
    while (rows.hasNext()) {
        final Row r = rows.next();
        final Iterator<Cell> cells = r.cellIterator();
        while (cells.hasNext()) {
            final Cell cell = cells.next();
            int rowIndex = cell.getRowIndex();
            int columnIndex = cell.getColumnIndex();
            final String key = SpreadsheetUtil.toKey(columnIndex + 1, rowIndex + 1);
            CellData cd = createCellDataForCell(cell);
            // update formula cells
            if (cell.getCellType() == Cell.CELL_TYPE_FORMULA) {
                if (cd != null) {
                    if (sentFormulaCells.contains(key) || markedCells.contains(key)) {
                        sentFormulaCells.add(key);
                        updatedCellData.add(cd);
                    }
                } else if (sentFormulaCells.contains(key)) {
                    // in case the formula cell value has changed to null or
                    // empty; this case is probably quite rare, formula cell
                    // pointing to a cell that was removed or had its value
                    // cleared ???
                    sentFormulaCells.add(key);
                    cd = new CellData();
                    cd.col = columnIndex + 1;
                    cd.row = rowIndex + 1;
                    cd.cellStyle = "" + cell.getCellStyle().getIndex();
                    updatedCellData.add(cd);
                }
            } else if (markedCells.contains(key)) {
                sentCells.add(key);
                updatedCellData.add(cd);
            }
        }
    }
    if (!changedFormulaCells.isEmpty()) {
        fireFormulaValueChangeEvent(changedFormulaCells);
        changedFormulaCells = new HashSet<CellReference>();
    }
    // empty cells have cell data with just col and row
    updatedCellData.addAll(removedCells);
    if (!updatedCellData.isEmpty()) {
        spreadsheet.getRpcProxy().cellsUpdated(updatedCellData);
        spreadsheet.getRpcProxy().refreshCellStyles();
    }
    markedCells.clear();
    removedCells.clear();
}

From source file:com.vaadin.addon.spreadsheet.CellValueManager.java

License:Open Source License

/**
 * Removes all the cells within the given bounds from the Spreadsheet and
 * the underlying POI model.// w w w  .ja v a 2s  .c  om
 *
 * @param firstRow
 *            Starting row index, 1-based
 * @param firstColumn
 *            Starting column index, 1-based
 * @param lastRow
 *            Ending row index, 1-based
 * @param lastColumn
 *            Ending column index, 1-based
 * @param clearRemovedCellStyle
 *            true to also clear styles from the removed cells
 */
protected void removeCells(int firstRow, int firstColumn, int lastRow, int lastColumn,
        boolean clearRemovedCellStyle) {
    final Workbook workbook = spreadsheet.getWorkbook();
    final Sheet activeSheet = workbook.getSheetAt(workbook.getActiveSheetIndex());
    for (int i = firstRow - 1; i < lastRow; i++) {
        Row row = activeSheet.getRow(i);
        if (row != null) {
            for (int j = firstColumn - 1; j < lastColumn; j++) {
                Cell cell = row.getCell(j);
                if (cell != null) {
                    final String key = SpreadsheetUtil.toKey(j + 1, i + 1);
                    if (cell.getCellType() == Cell.CELL_TYPE_FORMULA) {
                        sentFormulaCells.remove(key);
                    } else {
                        sentCells.remove(key);
                    }
                    if (cell.getHyperlink() != null) {
                        removeHyperlink(cell, activeSheet);
                    }
                    if (clearRemovedCellStyle) {
                        // update style to 0
                        cell.setCellStyle(null);
                        spreadsheet.getSpreadsheetStyleFactory().cellStyleUpdated(cell, true);
                    }
                    // need to make protection etc. settings for the cell
                    // won't get effected. deleting the cell would make it
                    // locked
                    if (clearRemovedCellStyle || cell.getCellStyle().getIndex() == 0) {
                        CellData cd = new CellData();
                        cd.col = j + 1;
                        cd.row = i + 1;
                        removedCells.add(cd);
                    } else {
                        markedCells.add(key);
                    }
                    cell.setCellValue((String) null);
                    getFormulaEvaluator().notifyUpdateCell(cell);
                }
            }
        }
    }
}

From source file:com.vaadin.addon.spreadsheet.CellValueManager.java

License:Open Source License

/**
 * Removes an individual cell from the Spreadsheet and the underlying POI
 * model./*from w w w .  j  av a  2s . co m*/
 *
 * @param rowIndex
 *            Row index of target cell, 1-based
 * @param colIndex
 *            Column index of target cell, 1-based
 * @param clearRemovedCellStyle
 *            true to also clear styles from the removed cell
 */
protected void removeCell(int rowIndex, int colIndex, boolean clearRemovedCellStyle) {
    final Workbook workbook = spreadsheet.getWorkbook();
    final Sheet activeSheet = workbook.getSheetAt(workbook.getActiveSheetIndex());
    final Row row = activeSheet.getRow(rowIndex - 1);
    if (row != null) {
        final Cell cell = row.getCell(colIndex - 1);
        if (cell != null) {
            CellData cd = new CellData();
            cd.col = colIndex;
            cd.row = rowIndex;
            final String key = SpreadsheetUtil.toKey(colIndex, rowIndex);
            if (clearRemovedCellStyle || cell.getCellStyle().getIndex() == 0) {
                removedCells.add(cd);
            } else {
                markedCells.add(key);
            }
            if (cell.getCellType() == Cell.CELL_TYPE_FORMULA) {
                sentFormulaCells.remove(key);
            } else {
                sentCells.remove(key);
            }
            // POI (3.9) doesn't have a method for removing a hyperlink !!!
            if (cell.getHyperlink() != null) {
                removeHyperlink(cell, activeSheet);
            }
            if (clearRemovedCellStyle) {
                // update style to 0
                cell.setCellStyle(null);
                spreadsheet.getSpreadsheetStyleFactory().cellStyleUpdated(cell, true);
            }
            cell.setCellValue((String) null);
            getFormulaEvaluator().notifyUpdateCell(cell);
        }
    }
}

From source file:com.vaadin.addon.spreadsheet.charts.converter.xssfreader.AbstractSeriesReader.java

private int calculateDecimalsForTooltip(List<CellReference> ptList) {

    if (ptList.size() <= 0) {
        // No points, so go with the default number of decimals
        return -1;
    }//www . j a v a 2  s  .  c o  m

    CellReference ref = ptList.get(0);
    Sheet sheet = spreadsheet.getWorkbook().getSheet(ref.getSheetName());
    Cell cell = spreadsheet.getCell(ref, sheet);
    if (cell == null) {
        return -1;
    }
    CellStyle style = cell.getCellStyle();
    String styleString = style.getDataFormatString();
    if (styleString == null || styleString.isEmpty() || styleString.equals("General")) {
        // No formatting info given, so go with the default number of
        // decimals
        return -1;
    }

    //In formatting strings "." is always used it seems.
    char sep = '.';

    // Take the last occurrence if the user has the same symbol as thousand
    // separator (should not be possible)
    int sepIndex = styleString.trim().lastIndexOf(sep);
    int decimalCount;
    if (sepIndex < 0) {
        decimalCount = 0;
    } else {
        decimalCount = styleString.length() - sepIndex - 1;
    }
    return decimalCount;
}