454 lines
13 KiB
PHP
454 lines
13 KiB
PHP
<?php
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namespace BRSystems\Core\Library\cExcel;
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use BRSystems\Core\Library\cJSON\cJSON;
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use Exception;
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use PHPExcel;
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use PHPExcel_IOFactory;
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use PHPExcel_Reader_IReadFilter;
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/** Include PHPExcel */
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require_once 'PHPExcel_1.7.8/PHPExcel.php';
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require_once 'PHPExcel_1.7.8/PHPExcel/IOFactory.php';
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/**
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* Excel module
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*
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* @category CMS
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* @author Mareks Keišs <mareks.keiss@brsystems.lv>
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* @since Version 1.0
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*
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*
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* http://pear.php.net/manual/en/package.fileformats.spreadsheet-excel-writer.intro.php
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*/
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class cExcel extends PHPExcel
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{
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CONST eXs = 1;
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CONST eXb = 2;
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CONST eYs = 3;
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CONST eYb = 4;
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CONST TY_XLS = 'xls';
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CONST TY_XLSX = 'xlsx';
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CONST TY_HTML = 'html';
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CONST TY_PDF = 'pdf';
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public $mimeTypes = array(
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'doc' => 'application/msword',
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'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
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'htm' => 'text/html',
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'html' => 'text/html',
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'pdf' => 'application/pdf',
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'xls' => 'application/excel',
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'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
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'zip' => 'application/zip',
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);
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public function __construct() {
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parent :: __construct();
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}
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public function openDocument($file){
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if($file)
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return PHPExcel_IOFactory::load($file);
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return false;
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}
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public function createReader($file){
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if($file)
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return PHPExcel_IOFactory::createReaderForFile($file);
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return false;
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}
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/**
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* Helper Function to set document properties
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*
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* @author Mareks Keišs <mareks.keiss@brsystems.lv>
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* @category cmsMailSpamHandler Controller
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* @param string $category - export category title
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* @return array of data
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* @version 1.1
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*/
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public function setPropertiesAdv($category = "") {
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// Set document properties
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$this->getProperties()->setCreator("Maison Alexandra")
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->setLastModifiedBy("Maison Alexandra")
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->setTitle("Office 2007 XLSX Document")
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->setSubject("Office 2007 XLSX Document")
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->setDescription("Reports")
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->setKeywords("office 2007 openxml php")
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->setCategory($category?$category:"Export");
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}
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/**
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* Helper Function to throw file download .xls
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*
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* @author Mareks Keišs <mareks.keiss@brsystems.lv>
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* @category cmsMailSpamHandler Controller
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* @param string $fileName - download name title
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* @return array of data
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* @version 1.1
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*/
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public function throwDocument($fileName = "") {
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if($fileName){
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$ext = getFileExtension($fileName);
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// Redirect output to a client’s web browser (Excel5)
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header("Content-Type: {$this->mimeTypes[$ext]}");
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header('Content-Disposition: attachment;filename="' . $fileName . '"');
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header('Cache-Control: max-age=0');
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$oWriter = $this->createWriter($ext);
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// Output content
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//$objWriter->save("C:/{$fileName}");
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$oWriter->save('php://output');
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}
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}
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/**
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* Helper Function to throw file download .xls
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*
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* @author Mareks Keišs <mareks.keiss@brsystems.lv>
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* @category cmsMailSpamHandler Controller
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* @param string $extension - file extension
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* @param object|bool $object - reader object
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* @return array of data
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* @version 1.1
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*/
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public function createWriter($extension, $object = false) {
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if(!strlen($extension))
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$extension = 'xls';
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if(!$object)
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$object = $this;
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switch($extension){
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case $this::TY_XLSX:
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//Now we save the created document in the Excel 2007 format
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$oWriter = PHPExcel_IOFactory::createWriter($object, 'Excel2007');
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break;
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case $this::TY_HTML:
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$oWriter = PHPExcel_IOFactory::createWriter($object, 'HTML');
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break;
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case $this::TY_PDF:
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$oWriter = PHPExcel_IOFactory::createWriter($object, 'PDF');
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break;
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default:
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//Now we save the created document in the Excel 2005 format
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$oWriter = PHPExcel_IOFactory::createWriter($object, 'Excel5');
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break;
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}
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return $oWriter;
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}
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/**
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* Function to get ms coordinate indexes by ms address
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*
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* @author Mareks Keišs <mareks.keiss@brsystems.lv>
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* @category cmsMailSpamHandler Controller
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* @param $Item - ms address
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* @param $param - const to get item
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* @return array of data
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* @version 1.1
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*/
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public function msXY($Item, $param) {
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$nValue = 0;
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$items = explode(':', $Item);
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switch($param){
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case self::eXs:
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$this->getLetter($items[0], $nValue);
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break;
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case self::eXb:
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$this->getLetter((count($items)>1?$items[1]:$items[0]), $nValue);
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break;
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case self::eYs:
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$this->getNumber($items[0], $nValue);
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break;
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case self::eYb:
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$this->getNumber((count($items)>1?$items[1]:$items[0]), $nValue);
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break;
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}
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return $nValue;
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}
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/**
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* Function to get ms coordinate index by letters AB from "AB12"
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*
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* @author Mareks Keišs <mareks.keiss@brsystems.lv>
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* @category cmsMailSpamHandler Controller
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* @param string $item - coordinate part
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* @param bool $nValue - value calculated
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* @return array of data
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* @version 1.1
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*/
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private function getLetter($item, &$nValue = false) {
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if(strlen($item)){
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if(is_numeric(substr($item, 1)) || strlen($item) == 1){
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$chr = substr($item, 0, 1);
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for($i = 1;$i <= 26;$i++){
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if($chr == chr(64+$i)){
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$nValue = $nValue * 26 + $i;
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break;
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}
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}
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}else{
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$chr = substr($item, 0, 1);
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for($i = 1;$i <= 26;$i++){
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if($chr == chr(64+$i)){
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$nValue = $nValue * 26 + $i;
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break;
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}
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}
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$this->getLetter(substr($item, 1), $nValue);
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}
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}
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return;
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}
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/**
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* Function to get ms y coordinate index by number 12 from "AB12"
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*
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* @author Mareks Keišs <mareks.keiss@brsystems.lv>
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* @category cmsMailSpamHandler Controller
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* @param string $item - coordinate part
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* @param bool $nValue - value calculated
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* @return array of data
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* @version 1.1
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*/
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private function getNumber($item, &$nValue = false) {
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if(strlen($item)){
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if(is_numeric($item)){
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$nValue = intval($item);
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}else{
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$this->getNumber(substr($item,1), $nValue);
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}
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}
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return;
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}
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/**
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* Function to create ms address by coordinates
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*
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* @author Mareks Keišs <mareks.keiss@brsystems.lv>
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* @category cmsMailSpamHandler Controller
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* @param int $x - x coordinate
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* @param int $y - y coordinate
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* @return array of data
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* @version 1.1
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*/
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public static function xY($x, $y) {
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$x = $x <= 0 ? 1 : $x;
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$y = $y <= 0 ? 1 : $y;
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$sk = 0;
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$iX = $x;
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$addr = '';
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while(1){
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if($iX>26){
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while($iX > 26){
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$iX -= 26;
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$sk++;
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}
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$addr = Chr(64 + $iX) . $addr;
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$iX = $sk;
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$sk = 0;
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}else{
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return chr(64 + $iX) . $addr . $y;
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}
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}
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}
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/**
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* Function to get ms letter from x coordinate
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*
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* @author Mareks Keišs <mareks.keiss@brsystems.lv>
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* @category cmsMailSpamHandler Controller
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* @param int $x - x coordinate
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* @return array of data
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* @version 1.1
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*/
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public static function X($x) {
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$x = $x<=0?1:$x;
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$sk = 0;
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$iX = $x;
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$addr = '';
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while(1){
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if($iX>26){
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while($iX > 26){
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$iX -= 26;
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$sk++;
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}
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$addr = Chr(64 + $iX) . $addr;
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$iX = $sk;
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$sk = 0;
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}else{
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return chr(64 + $iX) . $addr;
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}
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}
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}
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/**
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* Function to quietly check if sheet name exists
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*
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* @author Mareks Keišs <mareks.keiss@brsystems.lv>
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* @category cmsMailSpamHandler Controller
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* @param string $sSheetTitle - sheet title
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* @return bool - true/false
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* @version 1.1
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*/
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public function chkSheetNameExists($sSheetTitle) {
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$bExists = false;
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try{
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$bExists = $this->sheetNameExists($sSheetTitle);
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}catch(Exception $e){
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$bExists = false;
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}
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return !!$bExists;
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}
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/**
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* Function to quietly check if sheet name exists
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*
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* @author Mareks Keišs <mareks.keiss@brsystems.lv>
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* @category cmsMailSpamHandler Controller
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* @param string $sSheetTitle - sheet title
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* @return bool - true/false
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* @version 1.1
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*/
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public function chkSheetNameExistsAdv($sSheetTitle, $oWorkbook) {
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$bExists = false;
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try{
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$bExists = $oWorkbook->setActiveSheetIndexByName($sSheetTitle);
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}catch(Exception $e){
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$bExists = false;
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}
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return !!$bExists;
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}
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/**
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* Function to find last filled row in long excel file
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*
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* @author Mareks Keišs <mareks.keiss@brsystems.lv>
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* @category cmsMailSpamHandler Controller
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* @param object $chunkFilter - Chunk filter for excel reader
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* @param object $oReader - excel reader
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* @param object $file - file to check
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* @param int $emptyDefault - allowed empty row count
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* @param array $progress - progress object
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* @return array of data
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* @version 1.1
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*/
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public static function getLongFileLastRow(&$chunkFilter, &$oReader, $file, $emptyDefault = 40, $progress = array()) {
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$cRow = 100;
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$chunkSize = 100;
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$emptyRows = $emptyDefault;
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while($emptyRows > 0){
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$jump = false;
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$chunkFilter->setRows($cRow, $emptyDefault);
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$oWorkbook = $oReader->load($file);
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$oSheet = $oWorkbook->getActiveSheet();
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$tCols = $oSheet->getHighestDataColumn();
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$array = $oSheet->rangeToArray("A{$cRow}:{$tCols}" . ($cRow+$emptyDefault));
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//---------------------------------------------------------------------------
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// ANALYSE EACH CHUNK SECTION
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//---------------------------------------------------------------------------
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if(!!$array && is_array($array)){
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foreach($array as $row){
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foreach($row as $cell){
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if(trim($cell)){
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$jump = true;
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break;
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}
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}
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if($jump){
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$emptyRows = $emptyDefault;
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break;
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}else{
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--$emptyRows;
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}
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}
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}
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// Progress message & percentage
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if(!!$progress && is_array($progress)){
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if($progress['apc']->check("{$progress['uKey']}_c", true)){
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$oWorkbook->disconnectWorksheets();
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unset($array, $oSheet, $oWorkbook, $oReader, $progress);
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cJSON::sendError(array('msg' => '<b>File import failed!</b><br/>User terminated table data import!'));
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}
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$progress['apc']->store($progress['uKey'], array('t' => str_replace("%rows%", $cRow, $progress['text'])));
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}
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if($cRow > 3000)
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$chunkSize = 1200;
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else if($cRow > 2000)
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$chunkSize = 800;
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else if($cRow > 1000)
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$chunkSize = 500;
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elseif($cRow > 500)
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$chunkSize = 300;
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$cRow += $chunkSize;
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$oWorkbook->disconnectWorksheets();
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unset($array, $oSheet, $oWorkbook);
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}
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return $cRow;
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}
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}
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/** Define a Read Filter class implementing PHPExcel_Reader_IReadFilter */
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class chunkReadFilter implements PHPExcel_Reader_IReadFilter
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{
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private $_startRow = 0;
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private $_endRow = 0;
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/** Set the list of rows that we want to read */
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public function setRows($startRow, $chunkSize) {
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$this->_startRow = $startRow;
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$this->_endRow = $startRow + $chunkSize;
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}
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public function readCell($column, $row, $worksheetName = '') {
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// Only read the heading row, and the rows that are configured in $this->_startRow and $this->_endRow
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if (($row == 1) || ($row >= $this->_startRow && $row < $this->_endRow)) {
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return true;
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}
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return false;
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}
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}
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