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8e7591654a
This patch removes deprecated PEAR excel export lib in favour of newer PHPExcel, the ODS exporter implementation is finished and a test script is included. The default Excel format is now 2007, file extension is changed automatically to match excel format.
278 lines
8.3 KiB
PHP
Executable File
278 lines
8.3 KiB
PHP
Executable File
<?php
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/**
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* PHPExcel
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*
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* Copyright (c) 2006 - 2012 PHPExcel
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* @category PHPExcel
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* @package PHPExcel_CachedObjectStorage
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* @copyright Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
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* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
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* @version ##VERSION##, ##DATE##
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*/
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/**
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* PHPExcel_CachedObjectStorage_SQLite3
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*
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* @category PHPExcel
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* @package PHPExcel_CachedObjectStorage
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* @copyright Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
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*/
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class PHPExcel_CachedObjectStorage_SQLite3 extends PHPExcel_CachedObjectStorage_CacheBase implements PHPExcel_CachedObjectStorage_ICache {
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/**
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* Database table name
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*
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* @var string
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*/
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private $_TableName = null;
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/**
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* Database handle
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*
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* @var resource
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*/
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private $_DBHandle = null;
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/**
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* Store cell data in cache for the current cell object if it's "dirty",
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* and the 'nullify' the current cell object
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*
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* @return void
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* @throws Exception
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*/
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private function _storeData() {
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if ($this->_currentCellIsDirty) {
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$this->_currentObject->detach();
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$query = $this->_DBHandle->prepare("INSERT OR REPLACE INTO kvp_".$this->_TableName." VALUES(:id,:data)");
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$query->bindValue('id',$this->_currentObjectID,SQLITE3_TEXT);
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$query->bindValue('data',serialize($this->_currentObject),SQLITE3_BLOB);
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$result = $query->execute();
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if ($result === false)
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throw new Exception($this->_DBHandle->lastErrorMsg());
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$this->_currentCellIsDirty = false;
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}
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$this->_currentObjectID = $this->_currentObject = null;
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} // function _storeData()
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/**
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* Add or Update a cell in cache identified by coordinate address
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*
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* @param string $pCoord Coordinate address of the cell to update
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* @param PHPExcel_Cell $cell Cell to update
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* @return void
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* @throws Exception
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*/
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public function addCacheData($pCoord, PHPExcel_Cell $cell) {
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if (($pCoord !== $this->_currentObjectID) && ($this->_currentObjectID !== null)) {
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$this->_storeData();
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}
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$this->_currentObjectID = $pCoord;
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$this->_currentObject = $cell;
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$this->_currentCellIsDirty = true;
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return $cell;
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} // function addCacheData()
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/**
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* Get cell at a specific coordinate
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*
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* @param string $pCoord Coordinate of the cell
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* @throws Exception
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* @return PHPExcel_Cell Cell that was found, or null if not found
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*/
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public function getCacheData($pCoord) {
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if ($pCoord === $this->_currentObjectID) {
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return $this->_currentObject;
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}
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$this->_storeData();
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$query = "SELECT value FROM kvp_".$this->_TableName." WHERE id='".$pCoord."'";
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$cellResult = $this->_DBHandle->querySingle($query);
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if ($cellResult === false) {
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throw new Exception($this->_DBHandle->lastErrorMsg());
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} elseif (is_null($cellResult)) {
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// Return null if requested entry doesn't exist in cache
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return null;
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}
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// Set current entry to the requested entry
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$this->_currentObjectID = $pCoord;
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$this->_currentObject = unserialize($cellResult);
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// Re-attach the parent worksheet
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$this->_currentObject->attach($this->_parent);
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// Return requested entry
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return $this->_currentObject;
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} // function getCacheData()
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/**
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* Is a value set for an indexed cell?
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*
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* @param string $pCoord Coordinate address of the cell to check
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* @return boolean
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*/
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public function isDataSet($pCoord) {
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if ($pCoord === $this->_currentObjectID) {
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return true;
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}
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// Check if the requested entry exists in the cache
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$query = "SELECT id FROM kvp_".$this->_TableName." WHERE id='".$pCoord."'";
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$cellResult = $this->_DBHandle->querySingle($query);
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if ($cellResult === false) {
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throw new Exception($this->_DBHandle->lastErrorMsg());
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} elseif (is_null($cellResult)) {
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// Return null if requested entry doesn't exist in cache
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return false;
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}
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return true;
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} // function isDataSet()
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/**
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* Delete a cell in cache identified by coordinate address
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*
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* @param string $pCoord Coordinate address of the cell to delete
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* @throws Exception
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*/
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public function deleteCacheData($pCoord) {
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if ($pCoord === $this->_currentObjectID) {
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$this->_currentObject->detach();
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$this->_currentObjectID = $this->_currentObject = null;
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}
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// Check if the requested entry exists in the cache
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$query = "DELETE FROM kvp_".$this->_TableName." WHERE id='".$pCoord."'";
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$result = $this->_DBHandle->exec($query);
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if ($result === false)
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throw new Exception($this->_DBHandle->lastErrorMsg());
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$this->_currentCellIsDirty = false;
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} // function deleteCacheData()
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/**
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* Get a list of all cell addresses currently held in cache
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*
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* @return array of string
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*/
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public function getCellList() {
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$query = "SELECT id FROM kvp_".$this->_TableName;
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$cellIdsResult = $this->_DBHandle->query($query);
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if ($cellIdsResult === false)
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throw new Exception($this->_DBHandle->lastErrorMsg());
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$cellKeys = array();
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while ($row = $cellIdsResult->fetchArray(SQLITE3_ASSOC)) {
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$cellKeys[] = $row['id'];
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}
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return $cellKeys;
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} // function getCellList()
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/**
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* Clone the cell collection
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*
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* @param PHPExcel_Worksheet $parent The new worksheet
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* @return void
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*/
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public function copyCellCollection(PHPExcel_Worksheet $parent) {
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// Get a new id for the new table name
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$tableName = str_replace('.','_',$this->_getUniqueID());
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if (!$this->_DBHandle->exec('CREATE TABLE kvp_'.$tableName.' (id VARCHAR(12) PRIMARY KEY, value BLOB)
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AS SELECT * FROM kvp_'.$this->_TableName))
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throw new Exception($this->_DBHandle->lastErrorMsg());
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// Copy the existing cell cache file
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$this->_TableName = $tableName;
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} // function copyCellCollection()
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/**
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* Clear the cell collection and disconnect from our parent
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*
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* @return void
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*/
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public function unsetWorksheetCells() {
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if(!is_null($this->_currentObject)) {
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$this->_currentObject->detach();
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$this->_currentObject = $this->_currentObjectID = null;
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}
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// detach ourself from the worksheet, so that it can then delete this object successfully
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$this->_parent = null;
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// Close down the temporary cache file
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$this->__destruct();
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} // function unsetWorksheetCells()
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/**
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* Initialise this new cell collection
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*
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* @param PHPExcel_Worksheet $parent The worksheet for this cell collection
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*/
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public function __construct(PHPExcel_Worksheet $parent) {
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parent::__construct($parent);
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if (is_null($this->_DBHandle)) {
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$this->_TableName = str_replace('.','_',$this->_getUniqueID());
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$_DBName = ':memory:';
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$this->_DBHandle = new SQLite3($_DBName);
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if ($this->_DBHandle === false)
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throw new Exception($this->_DBHandle->lastErrorMsg());
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if (!$this->_DBHandle->exec('CREATE TABLE kvp_'.$this->_TableName.' (id VARCHAR(12) PRIMARY KEY, value BLOB)'))
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throw new Exception($this->_DBHandle->lastErrorMsg());
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}
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} // function __construct()
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/**
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* Destroy this cell collection
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*/
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public function __destruct() {
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if (!is_null($this->_DBHandle)) {
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$this->_DBHandle->close();
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}
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$this->_DBHandle = null;
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} // function __destruct()
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/**
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* Identify whether the caching method is currently available
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* Some methods are dependent on the availability of certain extensions being enabled in the PHP build
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*
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* @return boolean
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*/
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public static function cacheMethodIsAvailable() {
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if (!class_exists('SQLite3',FALSE)) {
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return false;
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}
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return true;
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}
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}
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