Proyectos de Subversion Moodle

<?php

namespace PhpOffice\PhpSpreadsheet\Worksheet;

use PhpOffice\PhpSpreadsheet\Cell\AddressRange;

use PhpOffice\PhpSpreadsheet\Cell\Coordinate;

use PhpOffice\PhpSpreadsheet\Cell\DataType;

use PhpOffice\PhpSpreadsheet\Exception as PhpSpreadsheetException;

use PhpOffice\PhpSpreadsheet\Shared\StringHelper;

use PhpOffice\PhpSpreadsheet\Spreadsheet;

use PhpOffice\PhpSpreadsheet\Worksheet\Table\TableStyle;

class Table

{

    /**

     * Table Name.

     *

     * @var string

     */

    private $name;

    /**

     * Show Header Row.

     *

     * @var bool

     */

    private $showHeaderRow = true;

    /**

     * Show Totals Row.

     *

     * @var bool

     */

    private $showTotalsRow = false;

    /**

     * Table Range.

     *

     * @var string

     */

    private $range = '';

    /**

     * Table Worksheet.

     *

     * @var null|Worksheet

     */

    private $workSheet;

    /**

     * Table allow filter.

     *

     * @var bool

     */

    private $allowFilter = true;

    /**

     * Table Column.

     *

     * @var Table\Column[]

     */

    private $columns = [];

    /**

     * Table Style.

     *

     * @var TableStyle

     */

    private $style;

    /**

     * Table AutoFilter.

     *

     * @var AutoFilter

     */

    private $autoFilter;

    /**

     * Create a new Table.

     *

     * @param AddressRange|array<int>|string $range

     *            A simple string containing a Cell range like 'A1:E10' is permitted

     *              or passing in an array of [$fromColumnIndex, $fromRow, $toColumnIndex, $toRow] (e.g. [3, 5, 6, 8]),

     *              or an AddressRange object.

     * @param string $name (e.g. Table1)

     */

    public function __construct($range = '', string $name = '')

    {

        $this->style = new TableStyle();

        $this->autoFilter = new AutoFilter($range);

        $this->setRange($range);

        $this->setName($name);

    }

    /**

     * Get Table name.

     */

    public function getName(): string

    {

        return $this->name;

    }

    /**

     * Set Table name.

     *

     * @throws PhpSpreadsheetException

     */

    public function setName(string $name): self

    {

        $name = trim($name);

        if (!empty($name)) {

            if (strlen($name) === 1 && in_array($name, ['C', 'c', 'R', 'r'])) {

                throw new PhpSpreadsheetException('The table name is invalid');

            }

            if (StringHelper::countCharacters($name) > 255) {

                throw new PhpSpreadsheetException('The table name cannot be longer than 255 characters');

            }

            // Check for A1 or R1C1 cell reference notation

            if (

                preg_match(Coordinate::A1_COORDINATE_REGEX, $name) ||

                preg_match('/^R\[?\-?[0-9]*\]?C\[?\-?[0-9]*\]?$/i', $name)

            ) {

                throw new PhpSpreadsheetException('The table name can\'t be the same as a cell reference');

            }

            if (!preg_match('/^[\p{L}_\\\\]/iu', $name)) {

                throw new PhpSpreadsheetException('The table name must begin a name with a letter, an underscore character (_), or a backslash (\)');

            }

            if (!preg_match('/^[\p{L}_\\\\][\p{L}\p{M}0-9\._]+$/iu', $name)) {

                throw new PhpSpreadsheetException('The table name contains invalid characters');

            }

            $this->checkForDuplicateTableNames($name, $this->workSheet);

            $this->updateStructuredReferences($name);

        }

        $this->name = $name;

        return $this;

    }

    /**

     * @throws PhpSpreadsheetException

     */

    private function checkForDuplicateTableNames(string $name, ?Worksheet $worksheet): void

    {

        // Remember that table names are case-insensitive

        $tableName = StringHelper::strToLower($name);

        if ($worksheet !== null && StringHelper::strToLower($this->name) !== $name) {

            $spreadsheet = $worksheet->getParentOrThrow();

            foreach ($spreadsheet->getWorksheetIterator() as $sheet) {

                foreach ($sheet->getTableCollection() as $table) {

                    if (StringHelper::strToLower($table->getName()) === $tableName && $table != $this) {

                        throw new PhpSpreadsheetException("Spreadsheet already contains a table named '{$this->name}'");

                    }

                }

            }

        }

    }

    private function updateStructuredReferences(string $name): void

    {

        if ($this->workSheet === null || $this->name === null || $this->name === '') {

            return;

        }

        // Remember that table names are case-insensitive

        if (StringHelper::strToLower($this->name) !== StringHelper::strToLower($name)) {

            // We need to check all formula cells that might contain fully-qualified Structured References

            //    that refer to this table, and update those formulae to reference the new table name

            $spreadsheet = $this->workSheet->getParentOrThrow();

            foreach ($spreadsheet->getWorksheetIterator() as $sheet) {

                $this->updateStructuredReferencesInCells($sheet, $name);

            }

            $this->updateStructuredReferencesInNamedFormulae($spreadsheet, $name);

        }

    }

    private function updateStructuredReferencesInCells(Worksheet $worksheet, string $newName): void

    {

        $pattern = '/' . preg_quote($this->name, '/') . '\[/mui';

        foreach ($worksheet->getCoordinates(false) as $coordinate) {

            $cell = $worksheet->getCell($coordinate);

            if ($cell->getDataType() === DataType::TYPE_FORMULA) {

                $formula = $cell->getValue();

                if (preg_match($pattern, $formula) === 1) {

                    $formula = preg_replace($pattern, "{$newName}[", $formula);

                    $cell->setValueExplicit($formula, DataType::TYPE_FORMULA);

                }

            }

        }

    }

    private function updateStructuredReferencesInNamedFormulae(Spreadsheet $spreadsheet, string $newName): void

    {

        $pattern = '/' . preg_quote($this->name, '/') . '\[/mui';

        foreach ($spreadsheet->getNamedFormulae() as $namedFormula) {

            $formula = $namedFormula->getValue();

            if (preg_match($pattern, $formula) === 1) {

                $formula = preg_replace($pattern, "{$newName}[", $formula);

                $namedFormula->setValue($formula); // @phpstan-ignore-line

            }

        }

    }

    /**

     * Get show Header Row.

     */

    public function getShowHeaderRow(): bool

    {

        return $this->showHeaderRow;

    }

    /**

     * Set show Header Row.

     */

    public function setShowHeaderRow(bool $showHeaderRow): self

    {

        $this->showHeaderRow = $showHeaderRow;

        return $this;

    }

    /**

     * Get show Totals Row.

     */

    public function getShowTotalsRow(): bool

    {

        return $this->showTotalsRow;

    }

    /**

     * Set show Totals Row.

     */

    public function setShowTotalsRow(bool $showTotalsRow): self

    {

        $this->showTotalsRow = $showTotalsRow;

        return $this;

    }

    /**

     * Get allow filter.

     * If false, autofiltering is disabled for the table, if true it is enabled.

     */

    public function getAllowFilter(): bool

    {

        return $this->allowFilter;

    }

    /**

     * Set show Autofiltering.

     * Disabling autofiltering has the same effect as hiding the filter button on all the columns in the table.

     */

    public function setAllowFilter(bool $allowFilter): self

    {

        $this->allowFilter = $allowFilter;

        return $this;

    }

    /**

     * Get Table Range.

     */

    public function getRange(): string

    {

        return $this->range;

    }

    /**

     * Set Table Cell Range.

     *

     * @param AddressRange|array<int>|string $range

     *            A simple string containing a Cell range like 'A1:E10' is permitted

     *              or passing in an array of [$fromColumnIndex, $fromRow, $toColumnIndex, $toRow] (e.g. [3, 5, 6, 8]),

     *              or an AddressRange object.

     */

    public function setRange($range = ''): self

    {

        // extract coordinate

        if ($range !== '') {

            [, $range] = Worksheet::extractSheetTitle(Validations::validateCellRange($range), true);

        }

        if (empty($range)) {

            //    Discard all column rules

            $this->columns = [];

            $this->range = '';

            return $this;

        }

        if (strpos($range, ':') === false) {

            throw new PhpSpreadsheetException('Table must be set on a range of cells.');

        }

        [$width, $height] = Coordinate::rangeDimension($range);

        if ($width < 1 || $height < 1) {

            throw new PhpSpreadsheetException('The table range must be at least 1 column and row');

        }

        $this->range = $range;

        $this->autoFilter->setRange($range);

        //    Discard any column rules that are no longer valid within this range

        [$rangeStart, $rangeEnd] = Coordinate::rangeBoundaries($this->range);

        foreach ($this->columns as $key => $value) {

            $colIndex = Coordinate::columnIndexFromString($key);

            if (($rangeStart[0] > $colIndex) || ($rangeEnd[0] < $colIndex)) {

                unset($this->columns[$key]);

            }

        }

        return $this;

    }

    /**

     * Set Table Cell Range to max row.

     */

    public function setRangeToMaxRow(): self

    {

        if ($this->workSheet !== null) {

            $thisrange = $this->range;

            $range = (string) preg_replace('/\\d+$/', (string) $this->workSheet->getHighestRow(), $thisrange);

            if ($range !== $thisrange) {

                $this->setRange($range);

            }

        }

        return $this;

    }

    /**

     * Get Table's Worksheet.

     */

    public function getWorksheet(): ?Worksheet

    {

        return $this->workSheet;

    }

    /**

     * Set Table's Worksheet.

     */

    public function setWorksheet(?Worksheet $worksheet = null): self

    {

        if ($this->name !== '' && $worksheet !== null) {

            $spreadsheet = $worksheet->getParentOrThrow();

            $tableName = StringHelper::strToUpper($this->name);

            foreach ($spreadsheet->getWorksheetIterator() as $sheet) {

                foreach ($sheet->getTableCollection() as $table) {

                    if (StringHelper::strToUpper($table->getName()) === $tableName) {

                        throw new PhpSpreadsheetException("Workbook already contains a table named '{$this->name}'");

                    }

                }

            }

        }

        $this->workSheet = $worksheet;

        $this->autoFilter->setParent($worksheet);

        return $this;

    }

    /**

     * Get all Table Columns.

     *

     * @return Table\Column[]

     */

    public function getColumns(): array

    {

        return $this->columns;

    }

    /**

     * Validate that the specified column is in the Table range.

     *

     * @param string $column Column name (e.g. A)

     *

     * @return int The column offset within the table range

     */

    public function isColumnInRange(string $column): int

    {

        if (empty($this->range)) {

            throw new PhpSpreadsheetException('No table range is defined.');

        }

        $columnIndex = Coordinate::columnIndexFromString($column);

        [$rangeStart, $rangeEnd] = Coordinate::rangeBoundaries($this->range);

        if (($rangeStart[0] > $columnIndex) || ($rangeEnd[0] < $columnIndex)) {

            throw new PhpSpreadsheetException('Column is outside of current table range.');

        }

        return $columnIndex - $rangeStart[0];

    }

    /**

     * Get a specified Table Column Offset within the defined Table range.

     *

     * @param string $column Column name (e.g. A)

     *

     * @return int The offset of the specified column within the table range

     */

    public function getColumnOffset($column): int

    {

        return $this->isColumnInRange($column);

    }

    /**

     * Get a specified Table Column.

     *

     * @param string $column Column name (e.g. A)

     */

    public function getColumn($column): Table\Column

    {

        $this->isColumnInRange($column);

        if (!isset($this->columns[$column])) {

            $this->columns[$column] = new Table\Column($column, $this);

        }

        return $this->columns[$column];

    }

    /**

     * Get a specified Table Column by it's offset.

     *

     * @param int $columnOffset Column offset within range (starting from 0)

     */

    public function getColumnByOffset($columnOffset): Table\Column

    {

        [$rangeStart, $rangeEnd] = Coordinate::rangeBoundaries($this->range);

        $pColumn = Coordinate::stringFromColumnIndex($rangeStart[0] + $columnOffset);

        return $this->getColumn($pColumn);

    }

    /**

     * Set Table.

     *

     * @param string|Table\Column $columnObjectOrString

     *            A simple string containing a Column ID like 'A' is permitted

     */

    public function setColumn($columnObjectOrString): self

    {

        if ((is_string($columnObjectOrString)) && (!empty($columnObjectOrString))) {

            $column = $columnObjectOrString;

        } elseif (is_object($columnObjectOrString) && ($columnObjectOrString instanceof Table\Column)) {

            $column = $columnObjectOrString->getColumnIndex();

        } else {

            throw new PhpSpreadsheetException('Column is not within the table range.');

        }

        $this->isColumnInRange($column);

        if (is_string($columnObjectOrString)) {

            $this->columns[$columnObjectOrString] = new Table\Column($columnObjectOrString, $this);

        } else {

            $columnObjectOrString->setTable($this);

            $this->columns[$column] = $columnObjectOrString;

        }

        ksort($this->columns);

        return $this;

    }

    /**

     * Clear a specified Table Column.

     *

     * @param string $column Column name (e.g. A)

     */

    public function clearColumn($column): self

    {

        $this->isColumnInRange($column);

        if (isset($this->columns[$column])) {

            unset($this->columns[$column]);

        }

        return $this;

    }

    /**

     * Shift an Table Column Rule to a different column.

     *

     * Note: This method bypasses validation of the destination column to ensure it is within this Table range.

     *        Nor does it verify whether any column rule already exists at $toColumn, but will simply override any existing value.

     *        Use with caution.

     *

     * @param string $fromColumn Column name (e.g. A)

     * @param string $toColumn Column name (e.g. B)

     */

    public function shiftColumn($fromColumn, $toColumn): self

    {

        $fromColumn = strtoupper($fromColumn);

        $toColumn = strtoupper($toColumn);

        if (($fromColumn !== null) && (isset($this->columns[$fromColumn])) && ($toColumn !== null)) {

            $this->columns[$fromColumn]->setTable();

            $this->columns[$fromColumn]->setColumnIndex($toColumn);

            $this->columns[$toColumn] = $this->columns[$fromColumn];

            $this->columns[$toColumn]->setTable($this);

            unset($this->columns[$fromColumn]);

            ksort($this->columns);

        }

        return $this;

    }

    /**

     * Get table Style.

     */

    public function getStyle(): Table\TableStyle

    {

        return $this->style;

    }

    /**

     * Set table Style.

     */

    public function setStyle(TableStyle $style): self

    {

        $this->style = $style;

        return $this;

    }

    /**

     * Get AutoFilter.

     */

    public function getAutoFilter(): AutoFilter

    {

        return $this->autoFilter;

    }

    /**

     * Set AutoFilter.

     */

    public function setAutoFilter(AutoFilter $autoFilter): self

    {

        $this->autoFilter = $autoFilter;

        return $this;

    }

    /**

     * Implement PHP __clone to create a deep clone, not just a shallow copy.

     */

    public function __clone()

    {

        $vars = get_object_vars($this);

        foreach ($vars as $key => $value) {

            if (is_object($value)) {

                if ($key === 'workSheet') {

                    //    Detach from worksheet

                    $this->{$key} = null;

                } else {

                    $this->{$key} = clone $value;

                }

            } elseif ((is_array($value)) && ($key === 'columns')) {

                //    The columns array of \PhpOffice\PhpSpreadsheet\Worksheet\Worksheet\Table objects

                $this->{$key} = [];

                foreach ($value as $k => $v) {

                    $this->{$key}[$k] = clone $v;

                    // attach the new cloned Column to this new cloned Table object

                    $this->{$key}[$k]->setTable($this);

                }

            } else {

                $this->{$key} = $value;

            }

        }

    }

    /**

     * toString method replicates previous behavior by returning the range if object is

     * referenced as a property of its worksheet.

     */

    public function __toString()

    {

        return (string) $this->range;

    }

}