<?php
/* For licensing terms, see /license.txt */

require_once dirname(__FILE__).'/../../../inc/global.inc.php';
require_once dirname(__FILE__).'/../be.inc.php';
require_once dirname(__FILE__).'/../gradebook_functions.inc.php';
require_once api_get_path(LIBRARY_PATH) . 'groupmanager.lib.php';

/**
 * Extends FormValidator with import and export forms
 * @author Stijn Konings
 * @package chamilo.gradebook
 */
class DataForm extends FormValidator
{
	const TYPE_IMPORT = 1;
	const TYPE_EXPORT = 2;
	const TYPE_EXPORT_PDF = 3;

	/**
	 * Builds a form containing form items based on a given parameter
	 * @param int form_type 1=import, 2=export
	 * @param obj cat_obj the category object
	 * @param obj res_obj the result object
	 * @param string form name
	 * @param method
	 * @param action
	 */
	public function DataForm($form_type, $form_name, $method = 'post', $action = null, $target='', $locked_status)
	{
		parent :: __construct($form_name, $method, $action,$target);
		$this->form_type = $form_type;
		if ($this->form_type == self :: TYPE_IMPORT) {
			$this->build_import_form();
		} elseif ($this->form_type == self :: TYPE_EXPORT) {
			if ($locked_status == 0) {
				$this->build_export_form_option(false);
			} else {
				$this->build_export_form();
			}
		} elseif ($this->form_type == self :: TYPE_EXPORT_PDF) {
			$this->build_pdf_export_form();
		}
		$this->setDefaults();
	}

	protected function build_pdf_export_form()
	{
		$renderer =& $this->defaultRenderer();
		$renderer->setElementTemplate('<span>{element}</span>');
		$this->addElement('header', get_lang('ChooseOrientation'));
		$this->addElement('radio', 'orientation', null, get_lang('Portrait'), 'portrait');
		$this->addElement('radio', 'orientation', null, get_lang('Landscape'), 'landscape');
		$this->addElement('style_submit_button', 'submit', get_lang('Export'), 'class="upload"');
		$this->setDefaults(array (
			'orientation' => 'portrait'
		));
	}

	protected function build_export_form()
	{
		$this->addElement('header', get_lang('ChooseFormat'));
		$this->addElement('radio', 'file_type', get_lang('OutputFileType'), 'CSV (Comma-Separated Values)', 'csv');
		$this->addElement('radio', 'file_type', null, 'XML (Extensible Markup Language)', 'xml');
		$this->addElement('radio', 'file_type', null, 'PDF (Portable Document Format)', 'pdf');
		$this->addElement('style_submit_button', 'submit', get_lang('Export'), 'class="upload"');
		$this->setDefaults(array (
			'file_type' => 'csv'
		));
	}

	protected function build_export_form_option($show_pdf=true)
	{
		$this->addElement('header', get_lang('ChooseFormat'));
		$this->addElement('radio', 'file_type', get_lang('OutputFileType'), 'CSV (Comma-Separated Values)', 'csv');
		$this->addElement('radio', 'file_type', null, 'XML (Extensible Markup Language)', 'xml');
		$this->addElement('radio', 'file_type', Display::return_icon('info3.gif',get_lang('ToExportMustLockEvaluation')), 'PDF (Portable Document Format)', 'pdf', array('disabled'));
		$this->addElement('style_submit_button', 'submit', get_lang('Export'), 'class="upload"');
		$this->setDefaults(array (
			'file_type' => 'csv'
		));
	}

	protected function build_import_form()
	{
		$this->addElement('hidden', 'formSent');
		$this->addElement('header', get_lang('ImportFileLocation'));
		$this->addElement('file', 'import_file',get_lang('Location'));
		$allowed_file_types = array (
			'xml',
			'csv'
		);
		//$this->addRule('file', get_lang('InvalidExtension') . ' (' . implode(',', $allowed_file_types) . ')', 'filetype', $allowed_file_types);
		$this->addElement('radio', 'file_type', get_lang('FileType'), 'CSV (<a href="docs/example_csv.html" target="_blank">' . get_lang('ExampleCSVFile') . '</a>)', 'csv');
		$this->addElement('radio', 'file_type', null, 'XML (<a href="docs/example_xml.html" target="_blank">' . get_lang('ExampleXMLFile') . '</a>)', 'xml');
		$this->addElement('checkbox','overwrite', null,get_lang('OverwriteScores'));
		$this->addElement('checkbox','ignoreerrors',null,get_lang('IgnoreErrors'));
		$this->addElement('style_submit_button', 'submit', get_lang('Ok'));
		$this->setDefaults(array(
			'formSent' => '1',
			'file_type' => 'csv'
		));
	}

	public function display()
	{
		parent :: display();
	}

	public function setDefaults($defaults = array(), $filter = null)
	{
		parent :: setDefaults($defaults, $filter);
	}
}
