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Differences Between: [Versions 310 and 402] [Versions 311 and 402] [Versions 39 and 402] [Versions 400 and 402]

   1  <?php
   2  ///////////////////////////////////////////////////////////////////////////
   3  //                                                                       //
   4  // NOTICE OF COPYRIGHT                                                   //
   5  //                                                                       //
   6  // Moodle - Modular Object-Oriented Dynamic Learning Environment         //
   7  //          http://moodle.org                                            //
   8  //                                                                       //
   9  // Copyright (C) 1999-onwards Moodle Pty Ltd  http://moodle.com          //
  10  //                                                                       //
  11  // This program is free software; you can redistribute it and/or modify  //
  12  // it under the terms of the GNU General Public License as published by  //
  13  // the Free Software Foundation; either version 2 of the License, or     //
  14  // (at your option) any later version.                                   //
  15  //                                                                       //
  16  // This program is distributed in the hope that it will be useful,       //
  17  // but WITHOUT ANY WARRANTY; without even the implied warranty of        //
  18  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         //
  19  // GNU General Public License for more details:                          //
  20  //                                                                       //
  21  //          http://www.gnu.org/copyleft/gpl.html                         //
  22  //                                                                       //
  23  ///////////////////////////////////////////////////////////////////////////
  24  
  25  class data_field_menu extends data_field_base {
  26  
  27      var $type = 'menu';
  28      /**
  29       * priority for globalsearch indexing
  30       *
  31       * @var int
  32       */
  33      protected static $priority = self::HIGH_PRIORITY;
  34  
  35      public function supports_preview(): bool {
  36          return true;
  37      }
  38  
  39      public function get_data_content_preview(int $recordid): stdClass {
  40          $options = explode("\n", $this->field->param1);
  41          $options = array_map('trim', $options);
  42          $selected = $options[$recordid % count($options)];
  43          return (object)[
  44              'id' => 0,
  45              'fieldid' => $this->field->id,
  46              'recordid' => $recordid,
  47              'content' => $selected,
  48              'content1' => null,
  49              'content2' => null,
  50              'content3' => null,
  51              'content4' => null,
  52          ];
  53      }
  54  
  55      function display_add_field($recordid = 0, $formdata = null) {
  56          global $DB, $OUTPUT;
  57  
  58          if ($formdata) {
  59              $fieldname = 'field_' . $this->field->id;
  60              $content = $formdata->$fieldname;
  61          } else if ($recordid) {
  62              $content = $DB->get_field('data_content', 'content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid));
  63              $content = trim($content);
  64          } else {
  65              $content = '';
  66          }
  67          $str = '<div title="' . s($this->field->description) . '">';
  68  
  69          $options = array();
  70          $rawoptions = explode("\n",$this->field->param1);
  71          foreach ($rawoptions as $option) {
  72              $option = trim($option);
  73              if (strlen($option) > 0) {
  74                  $options[$option] = $option;
  75              }
  76          }
  77  
  78          $str .= '<label for="' . 'field_' . $this->field->id . '">';
  79          $str .= html_writer::span($this->field->name, 'accesshide');
  80          if ($this->field->required) {
  81              $image = $OUTPUT->pix_icon('req', get_string('requiredelement', 'form'));
  82              $str .= html_writer::div($image, 'inline-req');
  83          }
  84          $str .= '</label>';
  85          $str .= html_writer::select($options, 'field_'.$this->field->id, $content, array('' => get_string('menuchoose', 'data')),
  86                                      array('id' => 'field_'.$this->field->id, 'class' => 'mod-data-input custom-select'));
  87  
  88          $str .= '</div>';
  89  
  90          return $str;
  91      }
  92  
  93      function display_search_field($content = '') {
  94          global $CFG, $DB;
  95  
  96          $varcharcontent =  $DB->sql_compare_text('content', 255);
  97          $sql = "SELECT DISTINCT $varcharcontent AS content
  98                    FROM {data_content}
  99                   WHERE fieldid=? AND content IS NOT NULL";
 100  
 101          $usedoptions = array();
 102          if ($used = $DB->get_records_sql($sql, array($this->field->id))) {
 103              foreach ($used as $data) {
 104                  $value = $data->content;
 105                  if ($value === '') {
 106                      continue;
 107                  }
 108                  $usedoptions[$value] = $value;
 109              }
 110          }
 111  
 112          $options = array();
 113          foreach (explode("\n",$this->field->param1) as $option) {
 114              $option = trim($option);
 115              if (!isset($usedoptions[$option])) {
 116                  continue;
 117              }
 118              $options[$option] = $option;
 119          }
 120          if (!$options) {
 121              // oh, nothing to search for
 122              return '';
 123          }
 124  
 125          $return = html_writer::label(get_string('fieldtypelabel', "datafield_" . $this->type),
 126              'menuf_' . $this->field->id, false, array('class' => 'accesshide'));
 127          $return .= html_writer::select($options, 'f_'.$this->field->id, $content, array('' => get_string('menuchoose', 'data')),
 128                  array('class' => 'custom-select'));
 129          return $return;
 130      }
 131  
 132      public function parse_search_field($defaults = null) {
 133          $param = 'f_'.$this->field->id;
 134          if (empty($defaults[$param])) {
 135              $defaults = array($param => '');
 136          }
 137          return optional_param($param, $defaults[$param], PARAM_NOTAGS);
 138      }
 139  
 140      function generate_sql($tablealias, $value) {
 141          global $DB;
 142  
 143          static $i=0;
 144          $i++;
 145          $name = "df_menu_$i";
 146          $varcharcontent = $DB->sql_compare_text("{$tablealias}.content", 255);
 147  
 148          return array(" ({$tablealias}.fieldid = {$this->field->id} AND $varcharcontent = :$name) ", array($name=>$value));
 149      }
 150  
 151      /**
 152       * Check if a field from an add form is empty
 153       *
 154       * @param mixed $value
 155       * @param mixed $name
 156       * @return bool
 157       */
 158      function notemptyfield($value, $name) {
 159          return strval($value) !== '';
 160      }
 161  
 162      /**
 163       * Return the plugin configs for external functions.
 164       *
 165       * @return array the list of config parameters
 166       * @since Moodle 3.3
 167       */
 168      public function get_config_for_external() {
 169          // Return all the config parameters.
 170          $configs = [];
 171          for ($i = 1; $i <= 10; $i++) {
 172              $configs["param$i"] = $this->field->{"param$i"};
 173          }
 174          return $configs;
 175      }
 176  }