mod/data/field/url/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_url extends data_field_base {
  26
  27     var $type = 'url';
  28
  29     function data_field_text($field=0, $data=0) {
  30         parent::data_field_base($field, $data);
  31     }
  32
  33     function display_add_field($recordid=0){
  34         global $CFG;
  35
  36         $url = '';
  37         $text = '';
  38
  39         if ($recordid){
  40             if ($content = get_record('data_content', 'fieldid', $this->field->id, 'recordid', $recordid)) {
  41                 $url  = $content->content;
  42                 $text = $content->content1;
  43             }
  44         }
  45         $url  = empty($url) ?  'http://' : $url;
  46
  47         $str = '<div title="'.s($this->field->description).'">';
  48         if (!empty($this->field->param1) and empty($this->field->param2)) {
  49             $str .= '<table><tr><td align="right">';
  50             $str .= get_string('url','data').':</td><td><input type="text" name="field_'.$this->field->id.'_0" id="field_'.$this->field->id.'_0" value="'.$url.'" size="60" /></td></tr>';
  51             $str .= '<tr><td align="right">'.get_string('text','data').':</td><td><input type="text" name="field_'.$this->field->id.'_1" id="field_'.$this->field->id.'_1" value="'.s($text).'" size="60" /></td></tr>';
  52             $str .= '</table>';
  53         } else {   // Just the URL field
  54             $str .= '<input type="text" name="field_'.$this->field->id.'_0" id="field_'.$this->field->id.'_0" value="'.s($url).'" size="60" />';
  55         }
  56         $str .= '</div>';
  57
  58         return $str;
  59     }
  60
  61     function display_search_field($value = '') {
  62         return '<input type="text" size="16" name="f_'.$this->field->id.'" value="'.$value.'" />';
  63     }
  64
  65     function parse_search_field() {
  66         return optional_param('f_'.$this->field->id, '', PARAM_NOTAGS);
  67     }
  68
  69     function generate_sql($tablealias, $value) {
  70         return " ({$tablealias}.fieldid = {$this->field->id} AND {$tablealias}.content LIKE '%{$value}%') ";
  71     }
  72
  73     function display_browse_field($recordid, $template) {
  74         if ($content = get_record('data_content', 'fieldid', $this->field->id, 'recordid', $recordid)){
  75             $url = empty($content->content)? '':$content->content;
  76             $text = empty($content->content1)? '':$content->content1;
  77
  78             if (empty($url) or ($url == 'http://')) {
  79                 return '';
  80             }
  81
  82             if (!empty($this->field->param2)) { // param2 forces the text to something
  83                 $text = $this->field->param2;
  84             }
  85
  86             if ($this->field->param1) { // param1 defines whether we want to autolink the url.
  87                 if (!empty($text)) {
  88                     $str = '<a href="'.$url.'">'.$text.'</a>';
  89                 } else {
  90                     $str = '<a href="'.$url.'">'.$url.'</a>';
  91                 }
  92             } else {
  93                 $str = $url;
  94             }
  95             return $str;
  96         }
  97         return false;
  98     }
  99
 100     function update_content($recordid, $value, $name='') {
 101         $content = new object;
 102         $content->fieldid = $this->field->id;
 103         $content->recordid = $recordid;
 104
 105         $names = explode('_', $name);
 106         switch ($names[2]){
 107             case 0:    // update link
 108                 $content->content = clean_param($value, PARAM_URL);
 109                 break;
 110             case 1:    // add text
 111                 $content->content1 = clean_param($value, PARAM_NOTAGS);
 112                 break;
 113             default:
 114                 break;
 115         }
 116
 117         if ($oldcontent = get_record('data_content','fieldid', $this->field->id, 'recordid', $recordid)) {
 118             $content->id = $oldcontent->id;
 119             return update_record('data_content', $content);
 120         } else {
 121             return insert_record('data_content', $content);
 122         }
 123     }
 124
 125     function notemptyfield($value, $name){
 126         $names = explode('_',$name);
 127         $value = clean_param($value, PARAM_URL);    //clean first
 128         if ($names[2] == '0'){
 129             return ($value!='http://' && !empty($value));
 130         }
 131         return false;
 132     }
 133
 134 }
 135
 136 ?>