You are here

class PHPExcel_CachedObjectStorage_Igbinary in Loft Data Grids 6.2

Same name and namespace in other branches
  1. 7.2 vendor/phpoffice/phpexcel/Classes/PHPExcel/CachedObjectStorage/Igbinary.php \PHPExcel_CachedObjectStorage_Igbinary

PHPExcel_CachedObjectStorage_Igbinary

@category PHPExcel @package PHPExcel_CachedObjectStorage @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)

Hierarchy

Expanded class hierarchy of PHPExcel_CachedObjectStorage_Igbinary

File

vendor/phpoffice/phpexcel/Classes/PHPExcel/CachedObjectStorage/Igbinary.php, line 36

View source
class PHPExcel_CachedObjectStorage_Igbinary extends PHPExcel_CachedObjectStorage_CacheBase implements PHPExcel_CachedObjectStorage_ICache {

  /**
   * Store cell data in cache for the current cell object if it's "dirty",
   *     and the 'nullify' the current cell object
   *
   * @return	void
   * @throws	PHPExcel_Exception
   */
  protected function _storeData() {
    if ($this->_currentCellIsDirty && !empty($this->_currentObjectID)) {
      $this->_currentObject
        ->detach();
      $this->_cellCache[$this->_currentObjectID] = igbinary_serialize($this->_currentObject);
      $this->_currentCellIsDirty = false;
    }
    $this->_currentObjectID = $this->_currentObject = null;
  }

  //	function _storeData()

  /**
   * Add or Update a cell in cache identified by coordinate address
   *
   * @param	string			$pCoord		Coordinate address of the cell to update
   * @param	PHPExcel_Cell	$cell		Cell to update
   * @return	PHPExcel_Cell
   * @throws	PHPExcel_Exception
   */
  public function addCacheData($pCoord, PHPExcel_Cell $cell) {
    if ($pCoord !== $this->_currentObjectID && $this->_currentObjectID !== null) {
      $this
        ->_storeData();
    }
    $this->_currentObjectID = $pCoord;
    $this->_currentObject = $cell;
    $this->_currentCellIsDirty = true;
    return $cell;
  }

  //	function addCacheData()

  /**
   * Get cell at a specific coordinate
   *
   * @param 	string 			$pCoord		Coordinate of the cell
   * @throws 	PHPExcel_Exception
   * @return 	PHPExcel_Cell 	Cell that was found, or null if not found
   */
  public function getCacheData($pCoord) {
    if ($pCoord === $this->_currentObjectID) {
      return $this->_currentObject;
    }
    $this
      ->_storeData();

    //	Check if the entry that has been requested actually exists
    if (!isset($this->_cellCache[$pCoord])) {

      //	Return null if requested entry doesn't exist in cache
      return null;
    }

    //	Set current entry to the requested entry
    $this->_currentObjectID = $pCoord;
    $this->_currentObject = igbinary_unserialize($this->_cellCache[$pCoord]);

    //    Re-attach this as the cell's parent
    $this->_currentObject
      ->attach($this);

    //	Return requested entry
    return $this->_currentObject;
  }

  //	function getCacheData()

  /**
   * Get a list of all cell addresses currently held in cache
   *
   * @return  string[]
   */
  public function getCellList() {
    if ($this->_currentObjectID !== null) {
      $this
        ->_storeData();
    }
    return parent::getCellList();
  }

  /**
   * Clear the cell collection and disconnect from our parent
   *
   * @return	void
   */
  public function unsetWorksheetCells() {
    if (!is_null($this->_currentObject)) {
      $this->_currentObject
        ->detach();
      $this->_currentObject = $this->_currentObjectID = null;
    }
    $this->_cellCache = array();

    //	detach ourself from the worksheet, so that it can then delete this object successfully
    $this->_parent = null;
  }

  //	function unsetWorksheetCells()

  /**
   * Identify whether the caching method is currently available
   * Some methods are dependent on the availability of certain extensions being enabled in the PHP build
   *
   * @return	boolean
   */
  public static function cacheMethodIsAvailable() {
    if (!function_exists('igbinary_serialize')) {
      return false;
    }
    return true;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
PHPExcel_CachedObjectStorage_CacheBase::$_cellCache protected property * An array of cells or cell pointers for the worksheet cells held in this cache, * and indexed by their coordinate address within the worksheet * *
PHPExcel_CachedObjectStorage_CacheBase::$_currentCellIsDirty protected property * Flag indicating whether the currently active Cell requires saving * *
PHPExcel_CachedObjectStorage_CacheBase::$_currentObject protected property * The currently active Cell * *
PHPExcel_CachedObjectStorage_CacheBase::$_currentObjectID protected property * Coordinate address of the currently active Cell * *
PHPExcel_CachedObjectStorage_CacheBase::$_parent protected property * Parent worksheet * *
PHPExcel_CachedObjectStorage_CacheBase::copyCellCollection public function * Clone the cell collection * * 8
PHPExcel_CachedObjectStorage_CacheBase::deleteCacheData public function Delete a cell in cache identified by coordinate address 5
PHPExcel_CachedObjectStorage_CacheBase::getCurrentAddress public function * Return the cell address of the currently active cell object * *
PHPExcel_CachedObjectStorage_CacheBase::getCurrentColumn public function * Return the column address of the currently active cell object * *
PHPExcel_CachedObjectStorage_CacheBase::getCurrentRow public function * Return the row address of the currently active cell object * *
PHPExcel_CachedObjectStorage_CacheBase::getHighestColumn public function * Get highest worksheet column *
PHPExcel_CachedObjectStorage_CacheBase::getHighestRow public function * Get highest worksheet row *
PHPExcel_CachedObjectStorage_CacheBase::getHighestRowAndColumn public function * Get highest worksheet column and highest row that have cell records * *
PHPExcel_CachedObjectStorage_CacheBase::getParent public function * Return the parent worksheet for this cell collection * *
PHPExcel_CachedObjectStorage_CacheBase::getSortedCellList public function * Sort the list of all cell addresses currently held in cache by row and column * *
PHPExcel_CachedObjectStorage_CacheBase::isDataSet public function * Is a value set in the current PHPExcel_CachedObjectStorage_ICache for an indexed cell? * * 5
PHPExcel_CachedObjectStorage_CacheBase::moveCell public function * Move a cell object from one address to another * * 2
PHPExcel_CachedObjectStorage_CacheBase::removeColumn public function Remove a column, deleting all cells in that column
PHPExcel_CachedObjectStorage_CacheBase::removeRow public function Remove a row, deleting all cells in that row
PHPExcel_CachedObjectStorage_CacheBase::updateCacheData public function Add or Update a cell in cache
PHPExcel_CachedObjectStorage_CacheBase::_getUniqueID protected function * Generate a unique ID for cache referencing * *
PHPExcel_CachedObjectStorage_CacheBase::__construct public function * Initialise this new cell collection * * 7
PHPExcel_CachedObjectStorage_Igbinary::addCacheData public function Add or Update a cell in cache identified by coordinate address Overrides PHPExcel_CachedObjectStorage_ICache::addCacheData
PHPExcel_CachedObjectStorage_Igbinary::cacheMethodIsAvailable public static function * Identify whether the caching method is currently available * Some methods are dependent on the availability of certain extensions being enabled in the PHP build * * Overrides PHPExcel_CachedObjectStorage_CacheBase::cacheMethodIsAvailable
PHPExcel_CachedObjectStorage_Igbinary::getCacheData public function Get cell at a specific coordinate Overrides PHPExcel_CachedObjectStorage_ICache::getCacheData
PHPExcel_CachedObjectStorage_Igbinary::getCellList public function * Get a list of all cell addresses currently held in cache * * Overrides PHPExcel_CachedObjectStorage_CacheBase::getCellList
PHPExcel_CachedObjectStorage_Igbinary::unsetWorksheetCells public function * Clear the cell collection and disconnect from our parent * *
PHPExcel_CachedObjectStorage_Igbinary::_storeData protected function Store cell data in cache for the current cell object if it's "dirty", and the 'nullify' the current cell object