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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * This file contains the form for importing a framework from a file.
 *
 * @package   tool_lpimportcsv
 * @copyright 2015 Damyon Wiese
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

namespace tool_lpimportcsv\form;

defined('MOODLE_INTERNAL') || die('Direct access to this script is forbidden.');

use moodleform;
use core_competency\api;
use core_text;
use csv_import_reader;

require_once($CFG->libdir.'/formslib.php');

/**
 * Import Competency framework form.
 *
 * @package   tool_lpimportcsv
 * @copyright 2015 Damyon Wiese
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class import extends moodleform {

/**
     * Define the form - called by parent constructor
     */
    public function definition() {
        global $CFG;
        require_once($CFG->libdir . '/csvlib.class.php');

$mform = $this->_form;
        $element = $mform->createElement('filepicker', 'importfile', get_string('importfile', 'tool_lpimportcsv'));
        $mform->addElement($element);
        $mform->addHelpButton('importfile', 'importfile', 'tool_lpimportcsv');
        $mform->addRule('importfile', null, 'required');
        $mform->addElement('hidden', 'confirm', 0);
        $mform->setType('confirm', PARAM_BOOL);

$choices = csv_import_reader::get_delimiter_list();
        $mform->addElement('select', 'delimiter_name', get_string('csvdelimiter', 'tool_lpimportcsv'), $choices);
        if (array_key_exists('cfg', $choices)) {
            $mform->setDefault('delimiter_name', 'cfg');
        } else if (get_string('listsep', 'langconfig') == ';') {
            $mform->setDefault('delimiter_name', 'semicolon');
        } else {
            $mform->setDefault('delimiter_name', 'comma');
        }

$choices = core_text::get_encodings();
        $mform->addElement('select', 'encoding', get_string('encoding', 'tool_lpimportcsv'), $choices);
        $mform->setDefault('encoding', 'UTF-8');

$this->add_action_buttons(false, get_string('import', 'tool_lpimportcsv'));
    }

/**
     * Display an error on the import form.
     * @param string $msg
     */
    public function set_import_error($msg) {
        $mform = $this->_form;

$mform->setElementError('importfile', $msg);
    }

}