mod/data/field/multimenu/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_multimenu extends data_field_base {
  26
  27     var $type = 'multimenu';
  28
  29     function data_field_multimenu($field=0, $data=0) {
  30         parent::data_field_base($field, $data);
  31     }
  32
  33
  34     function display_add_field($recordid=0) {
  35
  36         if ($recordid){
  37             $content = get_field('data_content', 'content', 'fieldid', $this->field->id, 'recordid', $recordid);
  38             $content = explode('##', $content);
  39         } else {
  40             $content = array();
  41         }
  42
  43         $str = '<div title="'.s($this->field->description).'">';
  44         $str .= '<select name="field_' . $this->field->id . '[]" id="field_' . $this->field->id . '" multiple="multiple">';
  45
  46         foreach (explode("\n",$this->field->param1) as $option) {
  47             $option = trim($option);
  48             $str .= '<option value="' . s($option) . '"';
  49
  50             if (array_search($option, $content) !== false) {
  51                 // Selected by user.
  52                 $str .= ' selected >';
  53             } else {
  54                 $str .= '>';
  55             }
  56             $str .= $option . '</option>';
  57         }
  58         $str .= '</select>';
  59         $str .= '</div>';
  60
  61         return $str;
  62     }
  63
  64     function display_search_field($value = '') {
  65         global $CFG;
  66         $temp = get_records_sql_menu('SELECT id, content from '.$CFG->prefix.'data_content WHERE fieldid='.$this->field->id.' GROUP BY content ORDER BY content');
  67         $options = array();
  68         if(!empty($temp)) {
  69             $options[''] = '';              //Make first index blank.
  70             foreach ($temp as $key) {
  71                 $options[$key] = $key;  //Build following indicies from the sql.
  72             }
  73         }
  74         return choose_from_menu($options, 'f_'.$this->field->id, $value, 'choose', '',  0, true);
  75     }
  76
  77     function parse_search_field() {
  78         return optional_param('f_'.$this->field->id, '', PARAM_NOTAGS);
  79     }
  80
  81     function generate_sql($tablealias, $value) {
  82         return " ({$tablealias}.fieldid = {$this->field->id} AND {$tablealias}.content = '$value') ";
  83     }
  84
  85     function update_content($recordid, $value, $name='') {
  86         $content = new object;
  87         $content->fieldid = $this->field->id;
  88         $content->recordid = $recordid;
  89         $content->content = $this->format_data_field_multimenu_content($value);
  90
  91         if ($oldcontent = get_record('data_content','fieldid', $this->field->id, 'recordid', $recordid)) {
  92             $content->id = $oldcontent->id;
  93             return update_record('data_content', $content);
  94         } else {
  95             return insert_record('data_content', $content);
  96         }
  97     }
  98
  99     function format_data_field_multimenu_content($content) {
 100         if (!is_array($content)) {
 101             $str = $content;
 102         } else {
 103             $str = '';
 104             foreach ($content as $val) {
 105                 $str .= $val . '##';
 106             }
 107             $str = substr($str, 0, -2);
 108         }
 109         $str = clean_param($str, PARAM_NOTAGS);
 110         return $str;
 111     }
 112
 113
 114     function display_browse_field($recordid, $template) {
 115
 116         if ($content = get_record('data_content', 'fieldid', $this->field->id, 'recordid', $recordid)){
 117             $contentArr = array();
 118             if (!empty($content->content)) {
 119                 $contentArr = explode('##', $content->content);
 120             }
 121             $str = '';
 122             foreach ($contentArr as $line) {
 123                 $str .= $line . "<br />\n";
 124             }
 125             return $str;
 126         }
 127         return false;
 128     }
 129 }
 130 ?>