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<?php
/**
* @package CSVI
* @subpackage File
*
* @author Roland Dalmulder <contact@csvimproved.com>
* @copyright Copyright (C) 2006 - 2016 RolandD Cyber Produksi. All rights reserved.
* @license GNU/GPLv3 http://www.gnu.org/licenses/gpl-3.0.html
* @link http://www.csvimproved.com
*/
defined('_JEXEC') or die;
/**
* XLS file processor class.
*
* @package CSVI
* @subpackage File
* @since 6.0
*/
class CsviHelperFileImportXls extends CsviHelperFile
{
/**
* The fields handler
*
* @var CsviHelperImportFields
* @since 6.0
*/
protected $fields = null;
/**
* Open the file to read.
*
* @return bool Always returns true.
*
* @since 3.0
*/
public function openFile()
{
$this->fp = true;
// Include the XLS reader
require_once JPATH_ADMINISTRATOR . '/components/com_csvi/helper/file/import/excel_reader2.php';
$this->data = new Spreadsheet_Excel_Reader($this->filename, false);
$this->data = $this->data->sheets;
return true;
}
/**
* Load the column headers from a file.
*
* @return bool Always return true.
*
* @since 3.0
*/
public function loadColumnHeaders()
{
// Make sure we include the empty fields
for ($i = 1; $i <= $this->data[0]['numCols']; $i++)
{
if (!isset($this->data[0]['cells'][1]))
{
$this->data[0]['cells'][1][$i] = '';
}
}
$headers = array_values($this->data[0]['cells'][1]);
$this->linepointer++;
return $headers;
}
/**
* Get the file position.
*
* @return int current position in the file.
*
* @since 3.0
*/
public function getFilePos()
{
return $this->linepointer;
}
/**
* Set the file position.
*
* @param int $pos The position to move to
*
* @return int current position in the file.
*
* @since 3.0
*/
public function setFilePos($pos)
{
$this->linepointer = $pos;
return $this->linepointer;
}
/**
* Read the next line in the file.
*
* @return bool True if data read | false if data cannot be read.
*
* @since 3.0
*/
public function readNextLine()
{
if ($this->data[0]['numRows'] >= $this->linepointer)
{
$columnheaders = $this->fields->getAllFieldnames();
$newdata = array();
// Make sure we include the empty fields
for ($i = 1; $i <= $this->data[0]['numCols']; $i++)
{
if (!isset($this->data[0]['cells'][$this->linepointer][$i]))
{
$newdata[] = '';
}
else
{
$newdata[] = $this->data[0]['cells'][$this->linepointer][$i];
}
}
$this->linepointer++;
// Add the data to the fields
$counters = array();
foreach ($newdata as $key => $value)
{
if (isset($columnheaders[$key]))
{
if (!isset($counters[$columnheaders[$key]]))
{
$counters[$columnheaders[$key]] = 0;
}
$counters[$columnheaders[$key]]++;
$this->fields->set($columnheaders[$key], $value, $counters[$columnheaders[$key]]);
}
}
return true;
}
else
{
return false;
}
}
/**
* Process the file to import.
*
* @return bool True if file can be processed.
*
* @since 3.0
*/
public function processFile()
{
// Open the file
$this->openFile();
return true;
}
/**
* Sets the file pointer back to beginning.
*
* @return void.
*
* @since 3.0
*/
public function rewind()
{
$this->setFilePos(1);
}
/**
* Return the number of lines in a XLS file.
*
* @return int the number of lines in the XLS file.
*
* @since 6.0
*/
public function lineCount()
{
return $this->data[0]['numRows'];
}
}
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