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AutoFilter.php in Loft Data Grids 6.2

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vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet/AutoFilter.php
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<?php

/**
 * PHPExcel
 *
 * Copyright (c) 2006 - 2014 PHPExcel
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * @category   PHPExcel
 * @package    PHPExcel_Worksheet
 * @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
 * @version    ##VERSION##, ##DATE##
 */

/**
 * PHPExcel_Worksheet_AutoFilter
 *
 * @category   PHPExcel
 * @package    PHPExcel_Worksheet
 * @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
 */
class PHPExcel_Worksheet_AutoFilter {

  /**
   * Autofilter Worksheet
   *
   * @var PHPExcel_Worksheet
   */
  private $_workSheet = NULL;

  /**
   * Autofilter Range
   *
   * @var string
   */
  private $_range = '';

  /**
   * Autofilter Column Ruleset
   *
   * @var array of PHPExcel_Worksheet_AutoFilter_Column
   */
  private $_columns = array();

  /**
   * Create a new PHPExcel_Worksheet_AutoFilter
   *
   *	@param	string		$pRange		Cell range (i.e. A1:E10)
   * @param PHPExcel_Worksheet $pSheet
   */
  public function __construct($pRange = '', PHPExcel_Worksheet $pSheet = NULL) {
    $this->_range = $pRange;
    $this->_workSheet = $pSheet;
  }

  /**
   * Get AutoFilter Parent Worksheet
   *
   * @return PHPExcel_Worksheet
   */
  public function getParent() {
    return $this->_workSheet;
  }

  /**
   * Set AutoFilter Parent Worksheet
   *
   * @param PHPExcel_Worksheet $pSheet
   * @return PHPExcel_Worksheet_AutoFilter
   */
  public function setParent(PHPExcel_Worksheet $pSheet = NULL) {
    $this->_workSheet = $pSheet;
    return $this;
  }

  /**
   * Get AutoFilter Range
   *
   * @return string
   */
  public function getRange() {
    return $this->_range;
  }

  /**
   *	Set AutoFilter Range
   *
   *	@param	string		$pRange		Cell range (i.e. A1:E10)
   *	@throws	PHPExcel_Exception
   *	@return PHPExcel_Worksheet_AutoFilter
   */
  public function setRange($pRange = '') {

    // Uppercase coordinate
    $cellAddress = explode('!', strtoupper($pRange));
    if (count($cellAddress) > 1) {
      list($worksheet, $pRange) = $cellAddress;
    }
    if (strpos($pRange, ':') !== FALSE) {
      $this->_range = $pRange;
    }
    elseif (empty($pRange)) {
      $this->_range = '';
    }
    else {
      throw new PHPExcel_Exception('Autofilter must be set on a range of cells.');
    }
    if (empty($pRange)) {

      //	Discard all column rules
      $this->_columns = array();
    }
    else {

      //	Discard any column rules that are no longer valid within this range
      list($rangeStart, $rangeEnd) = PHPExcel_Cell::rangeBoundaries($this->_range);
      foreach ($this->_columns as $key => $value) {
        $colIndex = PHPExcel_Cell::columnIndexFromString($key);
        if ($rangeStart[0] > $colIndex || $rangeEnd[0] < $colIndex) {
          unset($this->_columns[$key]);
        }
      }
    }
    return $this;
  }

  /**
   * Get all AutoFilter Columns
   *
   * @throws	PHPExcel_Exception
   * @return array of PHPExcel_Worksheet_AutoFilter_Column
   */
  public function getColumns() {
    return $this->_columns;
  }

  /**
   * Validate that the specified column is in the AutoFilter range
   *
   * @param	string	$column			Column name (e.g. A)
   * @throws	PHPExcel_Exception
   * @return	integer	The column offset within the autofilter range
   */
  public function testColumnInRange($column) {
    if (empty($this->_range)) {
      throw new PHPExcel_Exception("No autofilter range is defined.");
    }
    $columnIndex = PHPExcel_Cell::columnIndexFromString($column);
    list($rangeStart, $rangeEnd) = PHPExcel_Cell::rangeBoundaries($this->_range);
    if ($rangeStart[0] > $columnIndex || $rangeEnd[0] < $columnIndex) {
      throw new PHPExcel_Exception("Column is outside of current autofilter range.");
    }
    return $columnIndex - $rangeStart[0];
  }

  /**
   * Get a specified AutoFilter Column Offset within the defined AutoFilter range
   *
   * @param	string	$pColumn		Column name (e.g. A)
   * @throws	PHPExcel_Exception
   * @return integer	The offset of the specified column within the autofilter range
   */
  public function getColumnOffset($pColumn) {
    return $this
      ->testColumnInRange($pColumn);
  }

  /**
   * Get a specified AutoFilter Column
   *
   * @param	string	$pColumn		Column name (e.g. A)
   * @throws	PHPExcel_Exception
   * @return PHPExcel_Worksheet_AutoFilter_Column
   */
  public function getColumn($pColumn) {
    $this
      ->testColumnInRange($pColumn);
    if (!isset($this->_columns[$pColumn])) {
      $this->_columns[$pColumn] = new PHPExcel_Worksheet_AutoFilter_Column($pColumn, $this);
    }
    return $this->_columns[$pColumn];
  }

  /**
   * Get a specified AutoFilter Column by it's offset
   *
   * @param	integer	$pColumnOffset		Column offset within range (starting from 0)
   * @throws	PHPExcel_Exception
   * @return PHPExcel_Worksheet_AutoFilter_Column
   */
  public function getColumnByOffset($pColumnOffset = 0) {
    list($rangeStart, $rangeEnd) = PHPExcel_Cell::rangeBoundaries($this->_range);
    $pColumn = PHPExcel_Cell::stringFromColumnIndex($rangeStart[0] + $pColumnOffset - 1);
    return $this
      ->getColumn($pColumn);
  }

  /**
   *	Set AutoFilter
   *
   *	@param	PHPExcel_Worksheet_AutoFilter_Column|string		$pColumn
   *			A simple string containing a Column ID like 'A' is permitted
   *	@throws	PHPExcel_Exception
   *	@return PHPExcel_Worksheet_AutoFilter
   */
  public function setColumn($pColumn) {
    if (is_string($pColumn) && !empty($pColumn)) {
      $column = $pColumn;
    }
    elseif (is_object($pColumn) && $pColumn instanceof PHPExcel_Worksheet_AutoFilter_Column) {
      $column = $pColumn
        ->getColumnIndex();
    }
    else {
      throw new PHPExcel_Exception("Column is not within the autofilter range.");
    }
    $this
      ->testColumnInRange($column);
    if (is_string($pColumn)) {
      $this->_columns[$pColumn] = new PHPExcel_Worksheet_AutoFilter_Column($pColumn, $this);
    }
    elseif (is_object($pColumn) && $pColumn instanceof PHPExcel_Worksheet_AutoFilter_Column) {
      $pColumn
        ->setParent($this);
      $this->_columns[$column] = $pColumn;
    }
    ksort($this->_columns);
    return $this;
  }

  /**
   * Clear a specified AutoFilter Column
   *
   * @param	string  $pColumn    Column name (e.g. A)
   * @throws	PHPExcel_Exception
   * @return PHPExcel_Worksheet_AutoFilter
   */
  public function clearColumn($pColumn) {
    $this
      ->testColumnInRange($pColumn);
    if (isset($this->_columns[$pColumn])) {
      unset($this->_columns[$pColumn]);
    }
    return $this;
  }

  /**
   *	Shift an AutoFilter Column Rule to a different column
   *
   *	Note: This method bypasses validation of the destination column to ensure it is within this AutoFilter range.
   *		Nor does it verify whether any column rule already exists at $toColumn, but will simply overrideany existing value.
   *		Use with caution.
   *
   *	@param	string	$fromColumn		Column name (e.g. A)
   *	@param	string	$toColumn		Column name (e.g. B)
   *	@return PHPExcel_Worksheet_AutoFilter
   */
  public function shiftColumn($fromColumn = NULL, $toColumn = NULL) {
    $fromColumn = strtoupper($fromColumn);
    $toColumn = strtoupper($toColumn);
    if ($fromColumn !== NULL && isset($this->_columns[$fromColumn]) && $toColumn !== NULL) {
      $this->_columns[$fromColumn]
        ->setParent();
      $this->_columns[$fromColumn]
        ->setColumnIndex($toColumn);
      $this->_columns[$toColumn] = $this->_columns[$fromColumn];
      $this->_columns[$toColumn]
        ->setParent($this);
      unset($this->_columns[$fromColumn]);
      ksort($this->_columns);
    }
    return $this;
  }

  /**
   *	Test if cell value is in the defined set of values
   *
   *	@param	mixed		$cellValue
   *	@param	mixed[]		$dataSet
   *	@return boolean
   */
  private static function _filterTestInSimpleDataSet($cellValue, $dataSet) {
    $dataSetValues = $dataSet['filterValues'];
    $blanks = $dataSet['blanks'];
    if ($cellValue == '' || $cellValue === NULL) {
      return $blanks;
    }
    return in_array($cellValue, $dataSetValues);
  }

  /**
   *	Test if cell value is in the defined set of Excel date values
   *
   *	@param	mixed		$cellValue
   *	@param	mixed[]		$dataSet
   *	@return boolean
   */
  private static function _filterTestInDateGroupSet($cellValue, $dataSet) {
    $dateSet = $dataSet['filterValues'];
    $blanks = $dataSet['blanks'];
    if ($cellValue == '' || $cellValue === NULL) {
      return $blanks;
    }
    if (is_numeric($cellValue)) {
      $dateValue = PHPExcel_Shared_Date::ExcelToPHP($cellValue);
      if ($cellValue < 1) {

        //	Just the time part
        $dtVal = date('His', $dateValue);
        $dateSet = $dateSet['time'];
      }
      elseif ($cellValue == floor($cellValue)) {

        //	Just the date part
        $dtVal = date('Ymd', $dateValue);
        $dateSet = $dateSet['date'];
      }
      else {

        //	date and time parts
        $dtVal = date('YmdHis', $dateValue);
        $dateSet = $dateSet['dateTime'];
      }
      foreach ($dateSet as $dateValue) {

        //	Use of substr to extract value at the appropriate group level
        if (substr($dtVal, 0, strlen($dateValue)) == $dateValue) {
          return TRUE;
        }
      }
    }
    return FALSE;
  }

  /**
   *	Test if cell value is within a set of values defined by a ruleset
   *
   *	@param	mixed		$cellValue
   *	@param	mixed[]		$ruleSet
   *	@return boolean
   */
  private static function _filterTestInCustomDataSet($cellValue, $ruleSet) {
    $dataSet = $ruleSet['filterRules'];
    $join = $ruleSet['join'];
    $customRuleForBlanks = isset($ruleSet['customRuleForBlanks']) ? $ruleSet['customRuleForBlanks'] : FALSE;
    if (!$customRuleForBlanks) {

      //	Blank cells are always ignored, so return a FALSE
      if ($cellValue == '' || $cellValue === NULL) {
        return FALSE;
      }
    }
    $returnVal = $join == PHPExcel_Worksheet_AutoFilter_Column::AUTOFILTER_COLUMN_JOIN_AND;
    foreach ($dataSet as $rule) {
      if (is_numeric($rule['value'])) {

        //	Numeric values are tested using the appropriate operator
        switch ($rule['operator']) {
          case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_COLUMN_RULE_EQUAL:
            $retVal = $cellValue == $rule['value'];
            break;
          case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_COLUMN_RULE_NOTEQUAL:
            $retVal = $cellValue != $rule['value'];
            break;
          case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_COLUMN_RULE_GREATERTHAN:
            $retVal = $cellValue > $rule['value'];
            break;
          case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_COLUMN_RULE_GREATERTHANOREQUAL:
            $retVal = $cellValue >= $rule['value'];
            break;
          case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_COLUMN_RULE_LESSTHAN:
            $retVal = $cellValue < $rule['value'];
            break;
          case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_COLUMN_RULE_LESSTHANOREQUAL:
            $retVal = $cellValue <= $rule['value'];
            break;
        }
      }
      elseif ($rule['value'] == '') {
        switch ($rule['operator']) {
          case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_COLUMN_RULE_EQUAL:
            $retVal = $cellValue == '' || $cellValue === NULL;
            break;
          case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_COLUMN_RULE_NOTEQUAL:
            $retVal = $cellValue != '' && $cellValue !== NULL;
            break;
          default:
            $retVal = TRUE;
            break;
        }
      }
      else {

        //	String values are always tested for equality, factoring in for wildcards (hence a regexp test)
        $retVal = preg_match('/^' . $rule['value'] . '$/i', $cellValue);
      }

      //	If there are multiple conditions, then we need to test both using the appropriate join operator
      switch ($join) {
        case PHPExcel_Worksheet_AutoFilter_Column::AUTOFILTER_COLUMN_JOIN_OR:
          $returnVal = $returnVal || $retVal;

          //	Break as soon as we have a TRUE match for OR joins,
          //		to avoid unnecessary additional code execution
          if ($returnVal) {
            return $returnVal;
          }
          break;
        case PHPExcel_Worksheet_AutoFilter_Column::AUTOFILTER_COLUMN_JOIN_AND:
          $returnVal = $returnVal && $retVal;
          break;
      }
    }
    return $returnVal;
  }

  /**
   *	Test if cell date value is matches a set of values defined by a set of months
   *
   *	@param	mixed		$cellValue
   *	@param	mixed[]		$monthSet
   *	@return boolean
   */
  private static function _filterTestInPeriodDateSet($cellValue, $monthSet) {

    //	Blank cells are always ignored, so return a FALSE
    if ($cellValue == '' || $cellValue === NULL) {
      return FALSE;
    }
    if (is_numeric($cellValue)) {
      $dateValue = date('m', PHPExcel_Shared_Date::ExcelToPHP($cellValue));
      if (in_array($dateValue, $monthSet)) {
        return TRUE;
      }
    }
    return FALSE;
  }

  /**
   *	Search/Replace arrays to convert Excel wildcard syntax to a regexp syntax for preg_matching
   *
   *	@var	array
   */
  private static $_fromReplace = array(
    '\\*',
    '\\?',
    '~~',
    '~.*',
    '~.?',
  );
  private static $_toReplace = array(
    '.*',
    '.',
    '~',
    '\\*',
    '\\?',
  );

  /**
   *	Convert a dynamic rule daterange to a custom filter range expression for ease of calculation
   *
   *	@param	string										$dynamicRuleType
   *	@param	PHPExcel_Worksheet_AutoFilter_Column		&$filterColumn
   *	@return mixed[]
   */
  private function _dynamicFilterDateRange($dynamicRuleType, &$filterColumn) {
    $rDateType = PHPExcel_Calculation_Functions::getReturnDateType();
    PHPExcel_Calculation_Functions::setReturnDateType(PHPExcel_Calculation_Functions::RETURNDATE_PHP_NUMERIC);
    $val = $maxVal = NULL;
    $ruleValues = array();
    $baseDate = PHPExcel_Calculation_DateTime::DATENOW();

    //	Calculate start/end dates for the required date range based on current date
    switch ($dynamicRuleType) {
      case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_LASTWEEK:
        $baseDate = strtotime('-7 days', $baseDate);
        break;
      case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_NEXTWEEK:
        $baseDate = strtotime('-7 days', $baseDate);
        break;
      case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_LASTMONTH:
        $baseDate = strtotime('-1 month', gmmktime(0, 0, 0, 1, date('m', $baseDate), date('Y', $baseDate)));
        break;
      case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_NEXTMONTH:
        $baseDate = strtotime('+1 month', gmmktime(0, 0, 0, 1, date('m', $baseDate), date('Y', $baseDate)));
        break;
      case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_LASTQUARTER:
        $baseDate = strtotime('-3 month', gmmktime(0, 0, 0, 1, date('m', $baseDate), date('Y', $baseDate)));
        break;
      case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_NEXTQUARTER:
        $baseDate = strtotime('+3 month', gmmktime(0, 0, 0, 1, date('m', $baseDate), date('Y', $baseDate)));
        break;
      case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_LASTYEAR:
        $baseDate = strtotime('-1 year', gmmktime(0, 0, 0, 1, date('m', $baseDate), date('Y', $baseDate)));
        break;
      case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_NEXTYEAR:
        $baseDate = strtotime('+1 year', gmmktime(0, 0, 0, 1, date('m', $baseDate), date('Y', $baseDate)));
        break;
    }
    switch ($dynamicRuleType) {
      case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_TODAY:
      case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_YESTERDAY:
      case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_TOMORROW:
        $maxVal = (int) PHPExcel_Shared_Date::PHPtoExcel(strtotime('+1 day', $baseDate));
        $val = (int) PHPExcel_Shared_Date::PHPToExcel($baseDate);
        break;
      case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_YEARTODATE:
        $maxVal = (int) PHPExcel_Shared_Date::PHPtoExcel(strtotime('+1 day', $baseDate));
        $val = (int) PHPExcel_Shared_Date::PHPToExcel(gmmktime(0, 0, 0, 1, 1, date('Y', $baseDate)));
        break;
      case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_THISYEAR:
      case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_LASTYEAR:
      case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_NEXTYEAR:
        $maxVal = (int) PHPExcel_Shared_Date::PHPToExcel(gmmktime(0, 0, 0, 31, 12, date('Y', $baseDate)));
        ++$maxVal;
        $val = (int) PHPExcel_Shared_Date::PHPToExcel(gmmktime(0, 0, 0, 1, 1, date('Y', $baseDate)));
        break;
      case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_THISQUARTER:
      case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_LASTQUARTER:
      case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_NEXTQUARTER:
        $thisMonth = date('m', $baseDate);
        $thisQuarter = floor(--$thisMonth / 3);
        $maxVal = (int) PHPExcel_Shared_Date::PHPtoExcel(gmmktime(0, 0, 0, date('t', $baseDate), (1 + $thisQuarter) * 3, date('Y', $baseDate)));
        ++$maxVal;
        $val = (int) PHPExcel_Shared_Date::PHPToExcel(gmmktime(0, 0, 0, 1, 1 + $thisQuarter * 3, date('Y', $baseDate)));
        break;
      case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_THISMONTH:
      case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_LASTMONTH:
      case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_NEXTMONTH:
        $maxVal = (int) PHPExcel_Shared_Date::PHPtoExcel(gmmktime(0, 0, 0, date('t', $baseDate), date('m', $baseDate), date('Y', $baseDate)));
        ++$maxVal;
        $val = (int) PHPExcel_Shared_Date::PHPToExcel(gmmktime(0, 0, 0, 1, date('m', $baseDate), date('Y', $baseDate)));
        break;
      case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_THISWEEK:
      case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_LASTWEEK:
      case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_NEXTWEEK:
        $dayOfWeek = date('w', $baseDate);
        $val = (int) PHPExcel_Shared_Date::PHPToExcel($baseDate) - $dayOfWeek;
        $maxVal = $val + 7;
        break;
    }
    switch ($dynamicRuleType) {

      //	Adjust Today dates for Yesterday and Tomorrow
      case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_YESTERDAY:
        --$maxVal;
        --$val;
        break;
      case PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_TOMORROW:
        ++$maxVal;
        ++$val;
        break;
    }

    //	Set the filter column rule attributes ready for writing
    $filterColumn
      ->setAttributes(array(
      'val' => $val,
      'maxVal' => $maxVal,
    ));

    //	Set the rules for identifying rows for hide/show
    $ruleValues[] = array(
      'operator' => PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_COLUMN_RULE_GREATERTHANOREQUAL,
      'value' => $val,
    );
    $ruleValues[] = array(
      'operator' => PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_COLUMN_RULE_LESSTHAN,
      'value' => $maxVal,
    );
    PHPExcel_Calculation_Functions::setReturnDateType($rDateType);
    return array(
      'method' => '_filterTestInCustomDataSet',
      'arguments' => array(
        'filterRules' => $ruleValues,
        'join' => PHPExcel_Worksheet_AutoFilter_Column::AUTOFILTER_COLUMN_JOIN_AND,
      ),
    );
  }
  private function _calculateTopTenValue($columnID, $startRow, $endRow, $ruleType, $ruleValue) {
    $range = $columnID . $startRow . ':' . $columnID . $endRow;
    $dataValues = PHPExcel_Calculation_Functions::flattenArray($this->_workSheet
      ->rangeToArray($range, NULL, TRUE, FALSE));
    $dataValues = array_filter($dataValues);
    if ($ruleType == PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_COLUMN_RULE_TOPTEN_TOP) {
      rsort($dataValues);
    }
    else {
      sort($dataValues);
    }
    return array_pop(array_slice($dataValues, 0, $ruleValue));
  }

  /**
   *	Apply the AutoFilter rules to the AutoFilter Range
   *
   *	@throws	PHPExcel_Exception
   *	@return PHPExcel_Worksheet_AutoFilter
   */
  public function showHideRows() {
    list($rangeStart, $rangeEnd) = PHPExcel_Cell::rangeBoundaries($this->_range);

    //	The heading row should always be visible
    //		echo 'AutoFilter Heading Row ',$rangeStart[1],' is always SHOWN',PHP_EOL;
    $this->_workSheet
      ->getRowDimension($rangeStart[1])
      ->setVisible(TRUE);
    $columnFilterTests = array();
    foreach ($this->_columns as $columnID => $filterColumn) {
      $rules = $filterColumn
        ->getRules();
      switch ($filterColumn
        ->getFilterType()) {
        case PHPExcel_Worksheet_AutoFilter_Column::AUTOFILTER_FILTERTYPE_FILTER:
          $ruleValues = array();

          //	Build a list of the filter value selections
          foreach ($rules as $rule) {
            $ruleType = $rule
              ->getRuleType();
            $ruleValues[] = $rule
              ->getValue();
          }

          //	Test if we want to include blanks in our filter criteria
          $blanks = FALSE;
          $ruleDataSet = array_filter($ruleValues);
          if (count($ruleValues) != count($ruleDataSet)) {
            $blanks = TRUE;
          }
          if ($ruleType == PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_FILTER) {

            //	Filter on absolute values
            $columnFilterTests[$columnID] = array(
              'method' => '_filterTestInSimpleDataSet',
              'arguments' => array(
                'filterValues' => $ruleDataSet,
                'blanks' => $blanks,
              ),
            );
          }
          else {

            //	Filter on date group values
            $arguments = array(
              'date' => array(),
              'time' => array(),
              'dateTime' => array(),
            );
            foreach ($ruleDataSet as $ruleValue) {
              $date = $time = '';
              if (isset($ruleValue[PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DATEGROUP_YEAR]) && $ruleValue[PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DATEGROUP_YEAR] !== '') {
                $date .= sprintf('%04d', $ruleValue[PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DATEGROUP_YEAR]);
              }
              if (isset($ruleValue[PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DATEGROUP_MONTH]) && $ruleValue[PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DATEGROUP_MONTH] != '') {
                $date .= sprintf('%02d', $ruleValue[PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DATEGROUP_MONTH]);
              }
              if (isset($ruleValue[PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DATEGROUP_DAY]) && $ruleValue[PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DATEGROUP_DAY] !== '') {
                $date .= sprintf('%02d', $ruleValue[PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DATEGROUP_DAY]);
              }
              if (isset($ruleValue[PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DATEGROUP_HOUR]) && $ruleValue[PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DATEGROUP_HOUR] !== '') {
                $time .= sprintf('%02d', $ruleValue[PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DATEGROUP_HOUR]);
              }
              if (isset($ruleValue[PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DATEGROUP_MINUTE]) && $ruleValue[PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DATEGROUP_MINUTE] !== '') {
                $time .= sprintf('%02d', $ruleValue[PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DATEGROUP_MINUTE]);
              }
              if (isset($ruleValue[PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DATEGROUP_SECOND]) && $ruleValue[PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DATEGROUP_SECOND] !== '') {
                $time .= sprintf('%02d', $ruleValue[PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DATEGROUP_SECOND]);
              }
              $dateTime = $date . $time;
              $arguments['date'][] = $date;
              $arguments['time'][] = $time;
              $arguments['dateTime'][] = $dateTime;
            }

            //	Remove empty elements
            $arguments['date'] = array_filter($arguments['date']);
            $arguments['time'] = array_filter($arguments['time']);
            $arguments['dateTime'] = array_filter($arguments['dateTime']);
            $columnFilterTests[$columnID] = array(
              'method' => '_filterTestInDateGroupSet',
              'arguments' => array(
                'filterValues' => $arguments,
                'blanks' => $blanks,
              ),
            );
          }
          break;
        case PHPExcel_Worksheet_AutoFilter_Column::AUTOFILTER_FILTERTYPE_CUSTOMFILTER:
          $customRuleForBlanks = FALSE;
          $ruleValues = array();

          //	Build a list of the filter value selections
          foreach ($rules as $rule) {
            $ruleType = $rule
              ->getRuleType();
            $ruleValue = $rule
              ->getValue();
            if (!is_numeric($ruleValue)) {

              //	Convert to a regexp allowing for regexp reserved characters, wildcards and escaped wildcards
              $ruleValue = preg_quote($ruleValue);
              $ruleValue = str_replace(self::$_fromReplace, self::$_toReplace, $ruleValue);
              if (trim($ruleValue) == '') {
                $customRuleForBlanks = TRUE;
                $ruleValue = trim($ruleValue);
              }
            }
            $ruleValues[] = array(
              'operator' => $rule
                ->getOperator(),
              'value' => $ruleValue,
            );
          }
          $join = $filterColumn
            ->getJoin();
          $columnFilterTests[$columnID] = array(
            'method' => '_filterTestInCustomDataSet',
            'arguments' => array(
              'filterRules' => $ruleValues,
              'join' => $join,
              'customRuleForBlanks' => $customRuleForBlanks,
            ),
          );
          break;
        case PHPExcel_Worksheet_AutoFilter_Column::AUTOFILTER_FILTERTYPE_DYNAMICFILTER:
          $ruleValues = array();
          foreach ($rules as $rule) {

            //	We should only ever have one Dynamic Filter Rule anyway
            $dynamicRuleType = $rule
              ->getGrouping();
            if ($dynamicRuleType == PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_ABOVEAVERAGE || $dynamicRuleType == PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_BELOWAVERAGE) {

              //	Number (Average) based
              //	Calculate the average
              $averageFormula = '=AVERAGE(' . $columnID . ($rangeStart[1] + 1) . ':' . $columnID . $rangeEnd[1] . ')';
              $average = PHPExcel_Calculation::getInstance()
                ->calculateFormula($averageFormula, NULL, $this->_workSheet
                ->getCell('A1'));

              //	Set above/below rule based on greaterThan or LessTan
              $operator = $dynamicRuleType === PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMIC_ABOVEAVERAGE ? PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_COLUMN_RULE_GREATERTHAN : PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_COLUMN_RULE_LESSTHAN;
              $ruleValues[] = array(
                'operator' => $operator,
                'value' => $average,
              );
              $columnFilterTests[$columnID] = array(
                'method' => '_filterTestInCustomDataSet',
                'arguments' => array(
                  'filterRules' => $ruleValues,
                  'join' => PHPExcel_Worksheet_AutoFilter_Column::AUTOFILTER_COLUMN_JOIN_OR,
                ),
              );
            }
            else {

              //	Date based
              if ($dynamicRuleType[0] == 'M' || $dynamicRuleType[0] == 'Q') {

                //	Month or Quarter
                sscanf($dynamicRuleType, '%[A-Z]%d', $periodType, $period);
                if ($periodType == 'M') {
                  $ruleValues = array(
                    $period,
                  );
                }
                else {
                  --$period;
                  $periodEnd = (1 + $period) * 3;
                  $periodStart = 1 + $period * 3;
                  $ruleValues = range($periodStart, periodEnd);
                }
                $columnFilterTests[$columnID] = array(
                  'method' => '_filterTestInPeriodDateSet',
                  'arguments' => $ruleValues,
                );
                $filterColumn
                  ->setAttributes(array());
              }
              else {

                //	Date Range
                $columnFilterTests[$columnID] = $this
                  ->_dynamicFilterDateRange($dynamicRuleType, $filterColumn);
                break;
              }
            }
          }
          break;
        case PHPExcel_Worksheet_AutoFilter_Column::AUTOFILTER_FILTERTYPE_TOPTENFILTER:
          $ruleValues = array();
          $dataRowCount = $rangeEnd[1] - $rangeStart[1];
          foreach ($rules as $rule) {

            //	We should only ever have one Dynamic Filter Rule anyway
            $toptenRuleType = $rule
              ->getGrouping();
            $ruleValue = $rule
              ->getValue();
            $ruleOperator = $rule
              ->getOperator();
          }
          if ($ruleOperator === PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_COLUMN_RULE_TOPTEN_PERCENT) {
            $ruleValue = floor($ruleValue * ($dataRowCount / 100));
          }
          if ($ruleValue < 1) {
            $ruleValue = 1;
          }
          if ($ruleValue > 500) {
            $ruleValue = 500;
          }
          $maxVal = $this
            ->_calculateTopTenValue($columnID, $rangeStart[1] + 1, $rangeEnd[1], $toptenRuleType, $ruleValue);
          $operator = $toptenRuleType == PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_COLUMN_RULE_TOPTEN_TOP ? PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_COLUMN_RULE_GREATERTHANOREQUAL : PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_COLUMN_RULE_LESSTHANOREQUAL;
          $ruleValues[] = array(
            'operator' => $operator,
            'value' => $maxVal,
          );
          $columnFilterTests[$columnID] = array(
            'method' => '_filterTestInCustomDataSet',
            'arguments' => array(
              'filterRules' => $ruleValues,
              'join' => PHPExcel_Worksheet_AutoFilter_Column::AUTOFILTER_COLUMN_JOIN_OR,
            ),
          );
          $filterColumn
            ->setAttributes(array(
            'maxVal' => $maxVal,
          ));
          break;
      }
    }

    //		echo 'Column Filter Test CRITERIA',PHP_EOL;
    //		var_dump($columnFilterTests);
    //
    //	Execute the column tests for each row in the autoFilter range to determine show/hide,
    for ($row = $rangeStart[1] + 1; $row <= $rangeEnd[1]; ++$row) {

      //			echo 'Testing Row = ',$row,PHP_EOL;
      $result = TRUE;
      foreach ($columnFilterTests as $columnID => $columnFilterTest) {

        //				echo 'Testing cell ',$columnID.$row,PHP_EOL;
        $cellValue = $this->_workSheet
          ->getCell($columnID . $row)
          ->getCalculatedValue();

        //				echo 'Value is ',$cellValue,PHP_EOL;
        //	Execute the filter test
        $result = $result && call_user_func_array(array(
          'PHPExcel_Worksheet_AutoFilter',
          $columnFilterTest['method'],
        ), array(
          $cellValue,
          $columnFilterTest['arguments'],
        ));

        //				echo (($result) ? 'VALID' : 'INVALID'),PHP_EOL;
        //	If filter test has resulted in FALSE, exit the loop straightaway rather than running any more tests
        if (!$result) {
          break;
        }
      }

      //	Set show/hide for the row based on the result of the autoFilter result
      //			echo (($result) ? 'SHOW' : 'HIDE'),PHP_EOL;
      $this->_workSheet
        ->getRowDimension($row)
        ->setVisible($result);
    }
    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 PHPExcel_Worksheet_AutoFilter objects
        $this->{$key} = array();
        foreach ($value as $k => $v) {
          $this->{$key}[$k] = clone $v;

          // attach the new cloned Column to this new cloned Autofilter object
          $this->{$key}[$k]
            ->setParent($this);
        }
      }
      else {
        $this->{$key} = $value;
      }
    }
  }

  /**
   * toString method replicates previous behavior by returning the range if object is
   *    referenced as a property of its parent.
   */
  public function __toString() {
    return (string) $this->_range;
  }

}

Classes

Namesort descending Description
PHPExcel_Worksheet_AutoFilter PHPExcel_Worksheet_AutoFilter