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   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  // This program is distributed in the hope that it will be useful,       //
  16  // but WITHOUT ANY WARRANTY; without even the implied warranty of        //
  17  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         //
  18  // GNU General Public License for more details:                          //
  19  //                                                                       //
  20  //          http://www.gnu.org/copyleft/gpl.html                         //
  21  //                                                                       //
  22  ///////////////////////////////////////////////////////////////////////////
  23  
  24  require_once($CFG->dirroot.'/lib/filelib.php');
  25  require_once($CFG->dirroot.'/repository/lib.php');
  26  
  27  class data_field_textarea extends data_field_base {
  28  
  29      var $type = 'textarea';
  30  
  31      /**
  32       * Returns options for embedded files
  33       *
  34       * @return array
  35       */
  36      private function get_options() {
  37          if (!isset($this->field->param5)) {
  38              $this->field->param5 = 0;
  39          }
  40          $options = array();
  41          $options['trusttext'] = false;
  42          $options['forcehttps'] = false;
  43          $options['subdirs'] = false;
  44          $options['maxfiles'] = -1;
  45          $options['context'] = $this->context;
  46          $options['maxbytes'] = $this->field->param5;
  47          $options['changeformat'] = 0;
  48          $options['noclean'] = false;
  49          return $options;
  50      }
  51  
  52      function display_add_field($recordid=0) {
  53          global $CFG, $DB, $OUTPUT, $PAGE;
  54  
  55          $text   = '';
  56          $format = 0;
  57  
  58          $str = '<div title="'.$this->field->description.'">';
  59  
  60          editors_head_setup();
  61          $options = $this->get_options();
  62  
  63          $itemid = $this->field->id;
  64          $field = 'field_'.$itemid;
  65  
  66          if ($recordid && $content = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))){
  67              $format = $content->content1;
  68              $text = clean_text($content->content, $format);
  69              $text = file_prepare_draft_area($draftitemid, $this->context->id, 'mod_data', 'content', $content->id, $options, $text);
  70          } else {
  71              $draftitemid = file_get_unused_draft_itemid();
  72              $format = FORMAT_HTML;
  73          }
  74  
  75          // get filepicker info
  76          //
  77          $fpoptions = array();
  78          if ($options['maxfiles'] != 0 ) {
  79              $args = new stdClass();
  80              // need these three to filter repositories list
  81              $args->accepted_types = array('web_image');
  82              $args->return_types = (FILE_INTERNAL | FILE_EXTERNAL);
  83              $args->context = $this->context;
  84              $args->env = 'filepicker';
  85              // advimage plugin
  86              $image_options = initialise_filepicker($args);
  87              $image_options->context = $this->context;
  88              $image_options->client_id = uniqid();
  89              $image_options->maxbytes = $options['maxbytes'];
  90              $image_options->env = 'editor';
  91              $image_options->itemid = $draftitemid;
  92  
  93              // moodlemedia plugin
  94              $args->accepted_types = array('video', 'audio');
  95              $media_options = initialise_filepicker($args);
  96              $media_options->context = $this->context;
  97              $media_options->client_id = uniqid();
  98              $media_options->maxbytes  = $options['maxbytes'];
  99              $media_options->env = 'editor';
 100              $media_options->itemid = $draftitemid;
 101  
 102              // advlink plugin
 103              $args->accepted_types = '*';
 104              $link_options = initialise_filepicker($args);
 105              $link_options->context = $this->context;
 106              $link_options->client_id = uniqid();
 107              $link_options->maxbytes  = $options['maxbytes'];
 108              $link_options->env = 'editor';
 109              $link_options->itemid = $draftitemid;
 110  
 111              $fpoptions['image'] = $image_options;
 112              $fpoptions['media'] = $media_options;
 113              $fpoptions['link'] = $link_options;
 114          }
 115  
 116          $editor = editors_get_preferred_editor($format);
 117          $strformats = format_text_menu();
 118          $formats =  $editor->get_supported_formats();
 119          foreach ($formats as $fid) {
 120              $formats[$fid] = $strformats[$fid];
 121          }
 122          $editor->use_editor($field, $options, $fpoptions);
 123          $str .= '<input type="hidden" name="'.$field.'_itemid" value="'.$draftitemid.'" />';
 124          $str .= '<div><textarea id="'.$field.'" name="'.$field.'" rows="'.$this->field->param3.'" cols="'.$this->field->param2.'" spellcheck="true">'.s($text).'</textarea></div>';
 125          $str .= '<div><label class="accesshide" for="' . $field . '_content1">' . get_string('format') . '</label>';
 126          $str .= '<select id="' . $field . '_content1" name="'.$field.'_content1">';
 127          foreach ($formats as $key=>$desc) {
 128              $selected = ($format == $key) ? 'selected="selected"' : '';
 129              $str .= '<option value="'.s($key).'" '.$selected.'>'.$desc.'</option>';
 130          }
 131          $str .= '</select>';
 132          $str .= '</div>';
 133  
 134          $str .= '</div>';
 135          return $str;
 136      }
 137  
 138  
 139      function display_search_field($value = '') {
 140          return '<label class="accesshide" for="f_' . $this->field->id . '">' . $this->field->name . '</label>' .
 141                 '<input type="text" size="16" id="f_'.$this->field->id.'" name="f_'.$this->field->id.'" value="'.$value.'" />';
 142      }
 143  
 144      function parse_search_field() {
 145          return optional_param('f_'.$this->field->id, '', PARAM_NOTAGS);
 146      }
 147  
 148      function generate_sql($tablealias, $value) {
 149          global $DB;
 150  
 151          static $i=0;
 152          $i++;
 153          $name = "df_textarea_$i";
 154          return array(" ({$tablealias}.fieldid = {$this->field->id} AND ".$DB->sql_like("{$tablealias}.content", ":$name", false).") ", array($name=>"%$value%"));
 155      }
 156  
 157      function print_after_form() {
 158      }
 159  
 160  
 161      function update_content($recordid, $value, $name='') {
 162          global $DB;
 163  
 164          $content = new stdClass();
 165          $content->fieldid = $this->field->id;
 166          $content->recordid = $recordid;
 167  
 168          $names = explode('_', $name);
 169          if (!empty($names[2])) {
 170              if ($names[2] == 'itemid') {
 171                  // the value will be retrieved by file_get_submitted_draft_itemid, do not need to save in DB
 172                  return true;
 173              } else {
 174                  $content->$names[2] = clean_param($value, PARAM_NOTAGS);  // content[1-4]
 175              }
 176          } else {
 177              $content->content = clean_param($value, PARAM_CLEAN);
 178          }
 179  
 180          if ($oldcontent = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) {
 181              $content->id = $oldcontent->id;
 182          } else {
 183              $content->id = $DB->insert_record('data_content', $content);
 184              if (!$content->id) {
 185                  return false;
 186              }
 187          }
 188          if (!empty($content->content)) {
 189              $draftitemid = file_get_submitted_draft_itemid('field_'. $this->field->id. '_itemid');
 190              $options = $this->get_options();
 191              $content->content = file_save_draft_area_files($draftitemid, $this->context->id, 'mod_data', 'content', $content->id, $options, $content->content);
 192          }
 193          $rv = $DB->update_record('data_content', $content);
 194          return $rv;
 195      }
 196  
 197      /**
 198       * Display the content of the field in browse mode
 199       *
 200       * @param int $recordid
 201       * @param object $template
 202       * @return bool|string
 203       */
 204      function display_browse_field($recordid, $template) {
 205          global $DB;
 206  
 207          if ($content = $DB->get_record('data_content', array('fieldid' => $this->field->id, 'recordid' => $recordid))) {
 208              if (isset($content->content)) {
 209                  $options = new stdClass();
 210                  if ($this->field->param1 == '1') {  // We are autolinking this field, so disable linking within us
 211                      $options->filter = false;
 212                  }
 213                  $options->para = false;
 214                  $str = file_rewrite_pluginfile_urls($content->content, 'pluginfile.php', $this->context->id, 'mod_data', 'content', $content->id, $this->get_options());
 215                  $str = format_text($str, $content->content1, $options);
 216              } else {
 217                  $str = '';
 218              }
 219              return $str;
 220          }
 221          return false;
 222      }
 223  
 224      /**
 225       * Whether this module support files
 226       *
 227       * @param string $relativepath
 228       * @return bool
 229       */
 230      function file_ok($relativepath) {
 231          return true;
 232      }
 233  }
 234