class PHPExcel_CachedObjectStorage_Memory in Loft Data Grids 7.2

PHPExcel_CachedObjectStorage_Memory

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

Hierarchy

• class \PHPExcel_CachedObjectStorage_CacheBase
  • class \PHPExcel_CachedObjectStorage_Memory implements PHPExcel_CachedObjectStorage_ICache

File

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

class PHPExcel_CachedObjectStorage_Memory extends PHPExcel_CachedObjectStorage_CacheBase implements PHPExcel_CachedObjectStorage_ICache {

  /**
   * Dummy method callable from CacheBase, but unused by Memory cache
   *
   * @return	void
   */
  protected function _storeData() {
  }

  //	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) {
    $this->_cellCache[$pCoord] = $cell;

    //	Set current entry to the new/updated entry
    $this->_currentObjectID = $pCoord;
    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) {

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

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

    //	Set current entry to the requested entry
    $this->_currentObjectID = $pCoord;

    //	Return requested entry
    return $this->_cellCache[$pCoord];
  }

  //	function getCacheData()

  /**
   * Clone the cell collection
   *
   * @param	PHPExcel_Worksheet	$parent		The new worksheet
   * @return	void
   */
  public function copyCellCollection(PHPExcel_Worksheet $parent) {
    parent::copyCellCollection($parent);
    $newCollection = array();
    foreach ($this->_cellCache as $k => &$cell) {
      $newCollection[$k] = clone $cell;
      $newCollection[$k]
        ->attach($this);
    }
    $this->_cellCache = $newCollection;
  }

  /**
   * Clear the cell collection and disconnect from our parent
   *
   * @return	void
   */
  public function unsetWorksheetCells() {

    //	Because cells are all stored as intact objects in memory, we need to detach each one from the parent
    foreach ($this->_cellCache as $k => &$cell) {
      $cell
        ->detach();
      $this->_cellCache[$k] = null;
    }
    unset($cell);
    $this->_cellCache = array();

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

}

Members

Name	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::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 * *	6
PHPExcel_CachedObjectStorage_CacheBase::deleteCacheData	public	function	Delete a cell in cache identified by coordinate address	5
PHPExcel_CachedObjectStorage_CacheBase::getCellList	public	function	* Get a list of all cell addresses currently held in cache * *	10
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_Memory::addCacheData	public	function	Add or Update a cell in cache identified by coordinate address Overrides PHPExcel_CachedObjectStorage_ICache::addCacheData
PHPExcel_CachedObjectStorage_Memory::copyCellCollection	public	function	* Clone the cell collection * * Overrides PHPExcel_CachedObjectStorage_CacheBase::copyCellCollection
PHPExcel_CachedObjectStorage_Memory::getCacheData	public	function	Get cell at a specific coordinate Overrides PHPExcel_CachedObjectStorage_ICache::getCacheData
PHPExcel_CachedObjectStorage_Memory::unsetWorksheetCells	public	function	* Clear the cell collection and disconnect from our parent * *
PHPExcel_CachedObjectStorage_Memory::_storeData	protected	function	Dummy method callable from CacheBase, but unused by Memory cache