mod/data/field/textarea/field.class.php

   1 <?php // $Id$
   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_textarea extends data_field_base {
  26
  27     var $type = 'textarea';
  28
  29     function data_field_textarea($field=0, $data=0) {
  30         parent::data_field_base($field, $data);
  31     }
  32
  33
  34     function display_add_field($recordid=0) {
  35         global $CFG;
  36
  37         $text   = '';
  38         $format = 0;
  39
  40         if ($recordid){
  41             if ($content = get_record('data_content', 'fieldid', $this->field->id, 'recordid', $recordid)) {
  42                 $text   = $content->content;
  43                 $format = $content->content1;
  44             }
  45         }
  46
  47         $str = '<div title="'.$this->field->description.'">';
  48
  49         if (can_use_richtext_editor()) {
  50             // Show a rich text html editor.
  51             $str .= $this->gen_textarea(true, $text);
  52             $str .= helpbutton("richtext", get_string("helprichtext"), 'moodle', true, true, '', true);
  53             $str .= '<input type="hidden" name="field_' . $this->field->id . '_content1' . '" value="' . FORMAT_HTML . '" />';
  54
  55         } else {
  56             // Show a normal textarea. Also let the user specify the format to be used.
  57             $str .= $this->gen_textarea(false, $text);
  58
  59             // Get the available text formats for this field.
  60             $formatsForField = format_text_menu();
  61             $str .= '<br />';
  62
  63             $str .= choose_from_menu($formatsForField, 'field_' . $this->field->id .
  64                                      '_content1', $format, 'choose', '', '', true);
  65
  66             $str .= helpbutton('textformat', get_string('helpformatting'), 'moodle', true, false, '', true);
  67         }
  68         $str .= '</div>';
  69         return $str;
  70     }
  71
  72
  73     function display_search_field($value = '') {
  74         return '<input type="text" size="16" name="f_'.$this->field->id.'" value="'.$value.'" />';
  75     }
  76
  77     function parse_search_field() {
  78         return optional_param('f_'.$this->field->id, '', PARAM_NOTAGS);
  79     }
  80
  81     function generate_sql($tablealias, $value) {
  82         return " ({$tablealias}.fieldid = {$this->field->id} AND {$tablealias}.content LIKE '%{$value}%') ";
  83     }
  84
  85     function gen_textarea($usehtmleditor, $text='') {
  86         return print_textarea($usehtmleditor, $this->field->param3, $this->field->param2,
  87                               '', '', 'field_'.$this->field->id, $text, '', true, 'field_' . $this->field->id);
  88     }
  89
  90
  91     function print_after_form() {
  92         if (can_use_richtext_editor()) {
  93             use_html_editor('field_' . $this->field->id, '', 'field_' . $this->field->id);
  94         }
  95     }
  96
  97
  98     function update_content($recordid, $value, $name='') {
  99         $content = new object;
 100         $content->fieldid = $this->field->id;
 101         $content->recordid = $recordid;
 102
 103         $names = explode('_', $name);
 104         if (!empty($names[2])) {
 105             $content->$names[2] = clean_param($value, PARAM_NOTAGS);  // content[1-4]
 106         } else {
 107             $content->content = clean_param($value, PARAM_CLEAN);
 108         }
 109
 110         if ($oldcontent = get_record('data_content','fieldid', $this->field->id, 'recordid', $recordid)) {
 111             $content->id = $oldcontent->id;
 112             return update_record('data_content', $content);
 113         } else {
 114             return insert_record('data_content', $content);
 115         }
 116     }
 117 }
 118 ?>