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225 lines
8.0 KiB
225 lines
8.0 KiB
<?php
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/* See license terms in /license.txt */
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/**
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* This is the export library for Chamilo.
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* Include/require it in your code to use its functionality.
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*
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* Several functions below are adaptations from functions distributed by www.nexen.net
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*
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* @package chamilo.library
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*/
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/**
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* Code
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*/
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require_once 'document.lib.php';
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require_once api_get_path(LIBRARY_PATH).'pdf.lib.php';
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/**
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*
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* @package chamilo.library
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*/
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class Export {
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private function __construct() {
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}
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/**
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*
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* @deprecated use export_table_csv_utf8 instead
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*/
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public static function export_table_csv ($data, $filename = 'export') {
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$file = api_get_path(SYS_ARCHIVE_PATH).uniqid('').'.csv';
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$handle = @fopen($file, 'a+');
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if(is_array($data)) {
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foreach ($data as $index => $row) {
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$line = '';
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if(is_array($row)) {
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foreach($row as $value) {
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$line .= '"'.str_replace('"', '""', $value).'";';
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}
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}
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@fwrite($handle, $line."\n");
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}
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}
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@fclose($handle);
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DocumentManager :: file_send_for_download($file, true, $filename.'.csv');
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return false;
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}
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/**
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* Export tabular data to CSV-file
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* @param array $data
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* @param string $filename
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*/
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public static function export_table_csv_utf8 ($data, $filename = 'export') {
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if(empty($data)){
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return false;
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}
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$path = Chamilo::temp_file();
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$converter = new Utf8Encoder(null, true);
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$file = FileWriter::create($path, $converter);
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$file = CsvWriter::create($file);
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foreach ($data as $row) {
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$file->put($row);
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}
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$file->close();
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DocumentManager :: file_send_for_download($path, true, $filename.'.csv');
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unlink($path);
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exit;
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return false;
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}
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/**
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* Export tabular data to XLS-file
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* @param array $data
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* @param string $filename
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*/
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public static function export_table_xls ($data, $filename = 'export') {
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$file = api_get_path(SYS_ARCHIVE_PATH).uniqid('').'.xls';
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$handle = @fopen($file, 'a+');
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foreach ($data as $index => $row) {
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@fwrite($handle, implode("\t", $row)."\n");
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}
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@fclose($handle);
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DocumentManager :: file_send_for_download($file, true, $filename.'.xls');
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return false;
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}
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/**
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* Export tabular data to XML-file
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* @param array Simple array of data to put in XML
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* @param string Name of file to be given to the user
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* @param string Name of common tag to place each line in
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* @param string Name of the root element. A root element should always be given.
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* @param string Encoding in which the data is provided
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*/
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public static function export_table_xml ($data, $filename = 'export', $item_tagname = 'item', $wrapper_tagname = null, $encoding = null) {
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if (empty($encoding)) {
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$encoding = api_get_system_encoding();
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}
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$file = api_get_path(SYS_ARCHIVE_PATH).'/'.uniqid('').'.xml';
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$handle = fopen($file, 'a+');
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fwrite($handle, '<?xml version="1.0" encoding="'.$encoding.'"?>'."\n");
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if (!is_null($wrapper_tagname)) {
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fwrite($handle, "\t".'<'.$wrapper_tagname.'>'."\n");
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}
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foreach ($data as $index => $row) {
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fwrite($handle, '<'.$item_tagname.'>'."\n");
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foreach ($row as $key => $value) {
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fwrite($handle, "\t\t".'<'.$key.'>'.$value.'</'.$key.'>'."\n");
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}
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fwrite($handle, "\t".'</'.$item_tagname.'>'."\n");
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}
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if (!is_null($wrapper_tagname)) {
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fwrite($handle, '</'.$wrapper_tagname.'>'."\n");
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}
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fclose($handle);
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DocumentManager :: file_send_for_download($file, true, $filename.'.xml');
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return false;
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}
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/**
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* Export hierarchical tabular data to XML-file
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* @param array Hierarchical array of data to put in XML, each element presenting a 'name' and a 'value' property
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* @param string Name of file to be given to the user
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* @param string Name of common tag to place each line in
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* @param string Name of the root element. A root element should always be given.
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* @param string Encoding in which the data is provided
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* @return void Prompts the user for a file download
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*/
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public static function export_complex_table_xml ($data, $filename = 'export', $wrapper_tagname, $encoding = 'ISO-8859-1') {
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$file = api_get_path(SYS_ARCHIVE_PATH).'/'.uniqid('').'.xml';
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$handle = fopen($file, 'a+');
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fwrite($handle, '<?xml version="1.0" encoding="'.$encoding.'"?>'."\n");
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if (!is_null($wrapper_tagname)) {
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fwrite($handle, '<'.$wrapper_tagname.'>');
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}
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$s = self::_export_complex_table_xml_helper($data);
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fwrite($handle,$s);
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if (!is_null($wrapper_tagname)) {
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fwrite($handle, '</'.$wrapper_tagname.'>'."\n");
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}
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fclose($handle);
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DocumentManager :: file_send_for_download($file, true, $filename.'.xml');
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return false;
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}
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/**
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* Helper for the hierarchical XML exporter
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* @param array Hierarhical array composed of elements of type ('name'=>'xyz','value'=>'...')
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* @param int Level of recursivity. Allows the XML to be finely presented
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* @return string The XML string to be inserted into the root element
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*/
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public static function _export_complex_table_xml_helper ($data, $level = 1) {
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if (count($data)<1) { return '';}
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$string = '';
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foreach ($data as $index => $row) {
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$string .= "\n".str_repeat("\t",$level).'<'.$row['name'].'>';
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if (is_array($row['value'])) {
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$string .= self::_export_complex_table_xml_helper($row['value'],$level+1)."\n";
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$string .= str_repeat("\t",$level).'</'.$row['name'].'>';
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} else {
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$string .= $row['value'];
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$string .= '</'.$row['name'].'>';
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}
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}
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return $string;
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}
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/**
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*
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* @param array table in array format to be read with the HTML_table class
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*/
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public static function export_table_pdf($data, $params = array()) {
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$table_html = self::convert_array_to_html($data, $params);
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$params['format'] = isset($params['format']) ? $params['format'] : 'A4';
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$params['orientation'] = isset($params['orientation']) ? $params['orientation'] : 'P';
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$pdf = new PDF($params['format'], $params['orientation'], $params);
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$pdf->html_to_pdf_with_template($table_html);
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}
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public static function export_html_to_pdf($html, $params = array()) {
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$params['format'] = isset($params['format']) ? $params['format'] : 'A4';
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$params['orientation'] = isset($params['orientation']) ? $params['orientation'] : 'P';
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$pdf = new PDF($params['format'], $params['orientation'], $params);
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$pdf->html_to_pdf_with_template($html);
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}
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public static function convert_array_to_html($data, $params = array()) {
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$headers = $data[0];
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unset($data[0]);
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$header_attributes = isset($params['header_attributes']) ? $params['header_attributes'] : array();
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$table = new HTML_Table(array('class' => 'data_table', 'repeat_header' => '1'));
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$row = 0;
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$column = 0;
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foreach ($headers as $header) {
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$table->setHeaderContents($row, $column, $header);
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$attributes = array();
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if (isset($header_attributes) && isset($header_attributes[$column])) {
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$attributes = $header_attributes[$column];
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}
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if (!empty($attributes)) {
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$table->updateCellAttributes($row, $column, $attributes);
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}
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$column++;
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}
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$row++;
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foreach ($data as &$printable_data_row) {
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$column = 0;
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foreach ($printable_data_row as &$printable_data_cell) {
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$table->setCellContents($row, $column, $printable_data_cell);
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//$table->updateCellAttributes($row, $column, $atributes);
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$column++;
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}
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$table->updateRowAttributes($row, $row % 2 ? 'class="row_even"' : 'class="row_odd"', true);
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$row++;
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}
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$table_tp_html = $table->toHtml();
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return $table_tp_html;
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}
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}
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