Proyectos de Subversion Moodle

<?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/>.

defined('MOODLE_INTERNAL') OR die('not allowed');

require_once($CFG->dirroot.'/mod/feedback/item/feedback_item_class.php');

class feedback_item_textfield extends feedback_item_base {

    protected $type = "textfield";

    public function build_editform($item, $feedback, $cm) {

        global $DB, $CFG;

        require_once('textfield_form.php');

        //get the lastposition number of the feedback_items

        $position = $item->position;

        $lastposition = $DB->count_records('feedback_item', array('feedback'=>$feedback->id));

        if ($position == -1) {

            $i_formselect_last = $lastposition + 1;

            $i_formselect_value = $lastposition + 1;

            $item->position = $lastposition + 1;

        } else {

            $i_formselect_last = $lastposition;

            $i_formselect_value = $item->position;

        }

        //the elements for position dropdownlist

        $positionlist = array_slice(range(0, $i_formselect_last), 1, $i_formselect_last, true);

        $item->presentation = empty($item->presentation) ? '' : $item->presentation;

        $size_and_length = explode('|', $item->presentation);

        if (isset($size_and_length[0]) AND $size_and_length[0] >= 5) {

            $itemsize = $size_and_length[0];

        } else {

            $itemsize = 30;

        }

        $itemlength = isset($size_and_length[1]) ? $size_and_length[1] : 255;

        $item->itemsize = $itemsize;

        $item->itemmaxlength = $itemlength;

        //all items for dependitem

        $feedbackitems = feedback_get_depend_candidates_for_item($feedback, $item);

        $commonparams = array('cmid' => $cm->id,

                             'id' => isset($item->id) ? $item->id : null,

                             'typ' => $item->typ,

                             'items' => $feedbackitems,

                             'feedback' => $feedback->id);

        //build the form

        $customdata = array('item' => $item,

                            'common' => $commonparams,

                            'positionlist' => $positionlist,

                            'position' => $position);

        $this->item_form = new feedback_textfield_form('edit_item.php', $customdata);

    }

    public function save_item() {

        global $DB;

        if (!$this->get_data()) {

            return false;

        }

        $item = $this->item;

        if (isset($item->clone_item) AND $item->clone_item) {

            $item->id = ''; //to clone this item

            $item->position++;

        }

        $item->hasvalue = $this->get_hasvalue();

        if (!$item->id) {

            $item->id = $DB->insert_record('feedback_item', $item);

        } else {

            $DB->update_record('feedback_item', $item);

        }

        return $DB->get_record('feedback_item', array('id'=>$item->id));

    }

    /**

     * Helper function for collected data for exporting to excel

     *

     * @param stdClass $item the db-object from feedback_item

     * @param int $groupid

     * @param int $courseid

     * @return stdClass

     */

    protected function get_analysed($item, $groupid = false, $courseid = false) {

        $analysed_val = new stdClass();

        $analysed_val->data = null;

        $analysed_val->name = $item->name;

        $values = feedback_get_group_values($item, $groupid, $courseid);

        if ($values) {

            $data = array();

            foreach ($values as $value) {

                $data[] = str_replace("\n", '<br />', $value->value);

            }

            $analysed_val->data = $data;

        }

        return $analysed_val;

    }

    public function get_printval($item, $value) {

        if (!isset($value->value)) {

            return '';

        }

        return $value->value;

    }

    public function print_analysed($item, $itemnr = '', $groupid = false, $courseid = false) {

        $values = feedback_get_group_values($item, $groupid, $courseid);

        if ($values) {

            echo "<table class=\"analysis itemtype_{$item->typ}\">";

            echo '<tr><th class="text-left">';

            echo $itemnr . ' ';

            if (strval($item->label) !== '') {

                echo '('. format_string($item->label).') ';

            }

            echo $this->get_display_name($item);

            echo '</th></tr>';

            foreach ($values as $value) {

                $class = strlen(trim($value->value)) ? '' : ' class="isempty"';

                echo '<tr'.$class.'><td class="singlevalue">';

                echo str_replace("\n", '<br />', $value->value);

                echo '</td></tr>';

            }

            echo '</table>';

        }

    }

    public function excelprint_item(&$worksheet, $row_offset,

                             $xls_formats, $item,

                             $groupid, $courseid = false) {

        $analysed_item = $this->get_analysed($item, $groupid, $courseid);

        $worksheet->write_string($row_offset, 0, $item->label, $xls_formats->head2);

        $worksheet->write_string($row_offset, 1, $item->name, $xls_formats->head2);

        $data = $analysed_item->data;

        if (is_array($data)) {

            $worksheet->write_string($row_offset, 2, htmlspecialchars_decode($data[0], ENT_QUOTES), $xls_formats->value_bold);

            $row_offset++;

            $sizeofdata = count($data);

            for ($i = 1; $i < $sizeofdata; $i++) {

                $worksheet->write_string($row_offset, 2, htmlspecialchars_decode($data[$i], ENT_QUOTES), $xls_formats->default);

                $row_offset++;

            }

        }

        $row_offset++;

        return $row_offset;

    }

    /**

     * Adds an input element to the complete form

     *

     * @param stdClass $item

     * @param mod_feedback_complete_form $form

     */

    public function complete_form_element($item, $form) {

        $name = $this->get_display_name($item);

        $inputname = $item->typ . '_' . $item->id;

        list($size, $maxlength) = explode ("|", $item->presentation);

        $form->add_form_element($item,

                ['text', $inputname, $name, ['maxlength' => $maxlength, 'size' => $size]]);

        $form->set_element_type($inputname, PARAM_NOTAGS);

        $form->add_element_rule($inputname, get_string('maximumchars', '', $maxlength), 'maxlength', $maxlength, 'client');

    }

    /**

     * Converts the value from complete_form data to the string value that is stored in the db.

     * @param mixed $value element from mod_feedback_complete_form::get_data() with the name $item->typ.'_'.$item->id

     * @return string

     */

    public function create_value($value) {

        return s($value);

    }

    /**

     * Return the analysis data ready for external functions.

     *

     * @param stdClass $item     the item (question) information

     * @param int      $groupid  the group id to filter data (optional)

     * @param int      $courseid the course id (optional)

     * @return array an array of data with non scalar types json encoded

     * @since  Moodle 3.3

     */

    public function get_analysed_for_external($item, $groupid = false, $courseid = false) {

        $externaldata = array();

        $data = $this->get_analysed($item, $groupid, $courseid);

        if (is_array($data->data)) {

            return $data->data; // No need to json, scalar type.

        }

        return $externaldata;

    }

}