Example usage for org.apache.poi.ss.usermodel Workbook getSheetAt

List of usage examples for org.apache.poi.ss.usermodel Workbook getSheetAt

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Introduction

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

Prototype

Sheet getSheetAt(int index);

Source Link

Document

Get the Sheet object at the given index.

Usage

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

License:Open Source License

private void shiftRowsUpInSelection(int newFirstRow) {
    CellRangeAddress paintedCellRange = spreadsheet.getCellSelectionManager().getSelectedCellRange();
    int r1 = paintedCellRange.getFirstRow() + 1;
    int r2 = paintedCellRange.getLastRow() + 1;
    int c1 = paintedCellRange.getFirstColumn() + 1;
    int c2 = paintedCellRange.getLastColumn() + 1;
    Workbook workbook = spreadsheet.getWorkbook();
    final Sheet activeSheet = workbook.getSheetAt(workbook.getActiveSheetIndex());
    for (int shiftedRowIndex = r1; shiftedRowIndex <= r2; shiftedRowIndex++) {
        final Row shiftedRow = activeSheet.getRow(shiftedRowIndex - 1);
        int newRowIndex = r1 - 1 - (shiftedRowIndex - r1);
        while (newRowIndex >= newFirstRow) {
            if (shiftedRow != null) {
                Row newRow = activeSheet.getRow(newRowIndex - 1);
                if (newRow == null) {
                    newRow = activeSheet.createRow(newRowIndex - 1);
                }//from ww w . j av a 2 s .  co m
                for (int c = c1; c <= c2; c++) {
                    Double sequenceIncrement = getColumnSequenceIncrement(c, r1, r2);
                    Cell shiftedCell = shiftedRow.getCell(c - 1);
                    Cell newCell = newRow.getCell(c - 1);
                    if (shiftedCell != null) {
                        if (newCell == null) {
                            newCell = newRow.createCell(c - 1);
                        }
                        shiftCellValue(shiftedCell, newCell, false, sequenceIncrement);
                    } else if (newCell != null) {
                        // update style to 0
                        newCell.setCellStyle(null);
                        spreadsheet.getSpreadsheetStyleFactory().cellStyleUpdated(newCell, true);
                        newCell.setCellValue((String) null);
                        getCellValueManager().cellDeleted(newCell);
                    }
                }
            } else {
                getCellValueManager().removeCells(newRowIndex, c1, newRowIndex, c2, true);
            }
            newRowIndex = newRowIndex - (r2 - r1) - 1;
        }
    }
}

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

License:Open Source License

private void shiftColumnsRightInSelection(int newRightMostColumn) {
    CellRangeAddress paintedCellRange = spreadsheet.getCellSelectionManager().getSelectedCellRange();
    int r1 = paintedCellRange.getFirstRow() + 1;
    int r2 = paintedCellRange.getLastRow() + 1;
    int c1 = paintedCellRange.getFirstColumn() + 1;
    int c2 = paintedCellRange.getLastColumn() + 1;
    Workbook workbook = spreadsheet.getWorkbook();
    final Sheet activeSheet = workbook.getSheetAt(workbook.getActiveSheetIndex());
    for (int rIndex = r1; rIndex <= r2; rIndex++) {
        final Row row = activeSheet.getRow(rIndex - 1);
        if (row != null) {
            Double sequenceIncrement = getRowSequenceIncrement(rIndex, c1, c2);
            for (int shiftedCellIndex = c1; shiftedCellIndex <= c2; shiftedCellIndex++) {
                Cell shiftedCell = row.getCell(shiftedCellIndex - 1);
                int newCellIndex = c2 + 1 + (shiftedCellIndex - c1);
                while (newCellIndex <= newRightMostColumn) {
                    Cell newCell = row.getCell(newCellIndex - 1);
                    if (shiftedCell != null) {
                        if (newCell == null) {
                            newCell = row.createCell(newCellIndex - 1);
                        }//from www.j  ava 2s  .c  om
                        shiftCellValue(shiftedCell, newCell, false, sequenceIncrement);

                    } else if (newCell != null) {
                        newCell.setCellValue((String) null);
                        getCellValueManager().cellDeleted(newCell);
                        // update style to 0
                        newCell.setCellStyle(null);
                        spreadsheet.getSpreadsheetStyleFactory().cellStyleUpdated(newCell, true);
                    }
                    newCellIndex += (c2 - c1) + 1;
                }
            }
        }
    }
}

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

License:Open Source License

private void shiftColumnsLeftInSelection(int newLeftMostColumn) {
    CellRangeAddress paintedCellRange = spreadsheet.getCellSelectionManager().getSelectedCellRange();
    int r1 = paintedCellRange.getFirstRow() + 1;
    int r2 = paintedCellRange.getLastRow() + 1;
    int c1 = paintedCellRange.getFirstColumn() + 1;
    int c2 = paintedCellRange.getLastColumn() + 1;
    Workbook workbook = spreadsheet.getWorkbook();
    final Sheet activeSheet = workbook.getSheetAt(workbook.getActiveSheetIndex());
    for (int rIndex = r1; rIndex <= r2; rIndex++) {
        final Row row = activeSheet.getRow(rIndex - 1);
        if (row != null) {
            Double sequenceIncrement = getRowSequenceIncrement(rIndex, c1, c2);
            for (int shiftedCellIndex = c1; shiftedCellIndex <= c2; shiftedCellIndex++) {
                Cell shiftedCell = row.getCell(shiftedCellIndex - 1);
                int newCellIndex = c1 - (shiftedCellIndex - c1) - 1;
                while (newCellIndex >= newLeftMostColumn) {
                    Cell newCell = row.getCell(newCellIndex - 1);
                    if (shiftedCell != null) {
                        if (newCell == null) {
                            newCell = row.createCell(newCellIndex - 1);
                        }//  w ww  . j  a v a 2 s.  c o m
                        shiftCellValue(shiftedCell, newCell, false, sequenceIncrement);
                    } else if (newCell != null) {
                        newCell.setCellValue((String) null);
                        getCellValueManager().cellDeleted(newCell);
                        // update style to 0
                        newCell.setCellStyle(null);
                        spreadsheet.getSpreadsheetStyleFactory().cellStyleUpdated(newCell, true);
                    }
                    newCellIndex = newCellIndex - (c2 - c1) - 1;
                }
            }
        }
    }
}

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

License:Open Source License

/**
 * Returns the increment between all consecutive cells in row with rIndex
 * from column c1 to column c2/*w w  w.  j a  va  2  s  .  c  om*/
 * 
 * @param rIndex
 *            Row index for the sequence recognition, 1-based
 * @param c1
 *            First column of the row to be considered, 1-based
 * @param c2
 *            Last column of the row to be considered, 1-based
 * @return common difference or null
 */
private Double getRowSequenceIncrement(int rIndex, int c1, int c2) {
    Double result = null;
    Workbook workbook = spreadsheet.getWorkbook();
    final Sheet activeSheet = workbook.getSheetAt(workbook.getActiveSheetIndex());
    final Row row = activeSheet.getRow(rIndex - 1);
    if (row != null) {
        Cell firstCell = row.getCell(c1 - 1);
        if (firstCell != null) {
            if (firstCell.getCellType() == CELL_TYPE_STRING) {
                return getSequenceIncrement(getRowStringValues(row, c1, c2));
            } else if (firstCell.getCellType() == CELL_TYPE_NUMERIC) {
                return getSequenceIncrement(getRowNumericValues(row, c1, c2));
            }
        }
    }
    return result;
}

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

License:Open Source License

/**
 * Returns the increment between all consecutive cells in column with cIndex
 * from row r1 to row r2//  ww  w.j  a va  2  s.c o  m
 * 
 * @param cIndex
 *            Column index for the sequence recognition, 1-based
 * 
 * @param r1
 *            First row of the column to be considered, 1-based
 * @param r2
 *            Last row of the column to be considered, 1-based
 * @return common difference or null
 */
private Double getColumnSequenceIncrement(int cIndex, int r1, int r2) {
    Double result = null;
    Workbook workbook = spreadsheet.getWorkbook();
    final Sheet activeSheet = workbook.getSheetAt(workbook.getActiveSheetIndex());
    final Row row = activeSheet.getRow(r1 - 1);
    if (row != null) {
        Cell firstCell = row.getCell(cIndex - 1);
        if (firstCell != null) {
            if (firstCell.getCellType() == CELL_TYPE_STRING) {
                return getSequenceIncrement(getColumnStringValues(activeSheet, cIndex, r1, r2));
            } else if (firstCell.getCellType() == CELL_TYPE_NUMERIC) {
                return getSequenceIncrement(getColumnNumericValues(activeSheet, cIndex, r1, r2));
            }
        }
    }
    return result;
}

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 w  w. ja  va 2  s.com
 *
 * 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

/**
 * Checks whether the default deletion handling should be performed for the
 * selected cell or whether a custom deletion handler takes care of
 * everything./*from   w  w  w.ja va  2 s. com*/
 * 
 * @param selectedCellReference
 * @return {@code true} if the default handling should be performed,
 *         {@code false} otherwise
 */
private boolean passesDeletionCheck(CellReference selectedCellReference) {
    if (selectedCellReference == null || customCellDeletionHandler == null) {
        return true;
    }
    final Workbook workbook = spreadsheet.getWorkbook();
    final Sheet activeSheet = workbook.getSheetAt(workbook.getActiveSheetIndex());
    int rowIndex = selectedCellReference.getRow();
    final Row row = activeSheet.getRow(rowIndex);
    if (row != null) {
        short colIndex = selectedCellReference.getCol();
        final Cell cell = row.getCell(colIndex);
        if (cell != null) {
            return customCellDeletionHandler.cellDeleted(cell, activeSheet, colIndex, rowIndex,
                    getFormulaEvaluator(), formatter);
        }
    }
    return true;
}

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

License:Open Source License

/**
 * Checks whether the default deletion handling should be performed for the
 * individually selected cells or whether a custom deletion handler takes
 * care of everything./*from  www .ja  v a2s . c o  m*/
 * 
 * @param individualSelectedCells
 * @return {@code true} if the default handling should be performed,
 *         {@code false} otherwise
 */
private boolean passesDeletionCheck(List<CellReference> individualSelectedCells) {
    if (individualSelectedCells.isEmpty() || customCellDeletionHandler == null) {
        return true;
    }
    final Workbook workbook = spreadsheet.getWorkbook();
    final Sheet activeSheet = workbook.getSheetAt(workbook.getActiveSheetIndex());
    return customCellDeletionHandler.individualSelectedCellsDeleted(individualSelectedCells, activeSheet,
            getFormulaEvaluator(), formatter);
}

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

License:Open Source License

/**
 * Checks whether the default deletion handling should be performed for the
 * cell range or whether a custom deletion handler takes care of everything.
 * /*from   w ww  .jav a 2 s  . c  o m*/
 * @param cellRangeAddresses
 * @return {@code true} if the default handling should be performed,
 *         {@code false} otherwise
 */
private boolean passesRangeDeletionCheck(List<CellRangeAddress> cellRangeAddresses) {
    if (cellRangeAddresses.isEmpty() || customCellDeletionHandler == null) {
        return true;
    }
    final Workbook workbook = spreadsheet.getWorkbook();
    final Sheet activeSheet = workbook.getSheetAt(workbook.getActiveSheetIndex());
    return customCellDeletionHandler.cellRangeDeleted(cellRangeAddresses, activeSheet, getFormulaEvaluator(),
            formatter);
}

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

License:Open Source License

/**
 * Gets cell data for cells within the given bounds.
 *
 * @param firstRow/*w  w  w .  jav  a2s.c om*/
 *            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
 * @return A list of CellData for the cells in the given area.
 */
protected ArrayList<CellData> loadCellDataForRowAndColumnRange(int firstRow, int firstColumn, int lastRow,
        int lastColumn) {
    ArrayList<CellData> cellData = new ArrayList<CellData>();
    Workbook workbook = spreadsheet.getWorkbook();
    final Sheet activeSheet = workbook.getSheetAt(workbook.getActiveSheetIndex());
    Map<String, String> componentIDtoCellKeysMap = spreadsheet.getState(false).componentIDtoCellKeysMap;
    @SuppressWarnings("unchecked")
    final Collection<String> customComponentCells = (Collection<String>) (componentIDtoCellKeysMap == null
            ? Collections.emptyList()
            : componentIDtoCellKeysMap.values());
    for (int r = firstRow - 1; r < lastRow; r++) {
        Row row = activeSheet.getRow(r);
        if (row != null && row.getLastCellNum() != -1 && row.getLastCellNum() >= firstColumn) {
            for (int c = firstColumn - 1; c < lastColumn; c++) {
                final String key = SpreadsheetUtil.toKey(c + 1, r + 1);
                if (!customComponentCells.contains(key) && !sentCells.contains(key)
                        && !sentFormulaCells.contains(key)) {
                    Cell cell = row.getCell(c);
                    if (cell != null) {
                        final CellData cd = createCellDataForCell(cell);
                        if (cd != null) {
                            int cellType = cell.getCellType();
                            if (cellType == Cell.CELL_TYPE_FORMULA) {
                                sentFormulaCells.add(key);
                            } else {
                                sentCells.add(key);
                            }
                            cellData.add(cd);
                        }
                    }
                }
            }
        }
    }
    return cellData;
}