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

/**
 * 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 __construct($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->setCustomElementTemplate('<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->addButtonExport(get_lang('Export'));
        $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->addButtonExport(get_lang('Export'));
        $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->addButtonExport(get_lang('Export'));
        $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->addButtonImport(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);
    }
}