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     var $type = 'url';
  27
  28     function data_field_text($field=0, $data=0) {
  29         parent::data_field_base($field, $data);
  30     }
  31
  32     function display_add_field($recordid=0) {
  33         global $CFG;
  34         $url = '';
  35         $text = '';
  36         if ($recordid) {
  37             if ($content = get_record('data_content', 'fieldid', $this->field->id, 'recordid', $recordid)) {
  38                 $url  = $content->content;
  39                 $text = $content->content1;
  40             }
  41         }
  42         $url = empty($url) ? 'http://' : $url;
  43         $str = '<div title="'.s($this->field->description).'">';
  44         if (!empty($this->field->param1) and empty($this->field->param2)) {
  45             $str .= '<table><tr><td align="right">';
  46             $str .= get_string('url','data').':</td><td><input type="text" name="field_'.$this->field->id.'_0" id="field_'.$this->field->id.'_0" value="'.$url.'" size="60" /></td></tr>';
  47             $str .= '<tr><td align="right">'.get_string('text','data').':</td><td><input type="text" name="field_'.$this->field->id.'_1" id="field_'.$this->field->id.'_1" value="'.s($text).'" size="60" /></td></tr>';
  48             $str .= '</table>';
  49         } else {
  50             // Just the URL field
  51             $str .= '<input type="text" name="field_'.$this->field->id.'_0" id="field_'.$this->field->id.'_0" value="'.s($url).'" size="60" />';
  52         }
  53         $str .= '</div>';
  54         return $str;
  55     }
  56
  57     function display_search_field($value = '') {
  58         return '<input type="text" size="16" name="f_'.$this->field->id.'" value="'.$value.'" />';
  59     }
  60
  61     function parse_search_field() {
  62         return optional_param('f_'.$this->field->id, '', PARAM_NOTAGS);
  63     }
  64
  65     function generate_sql($tablealias, $value) {
  66         return " ({$tablealias}.fieldid = {$this->field->id} AND {$tablealias}.content LIKE '%{$value}%') ";
  67     }
  68
  69     function display_browse_field($recordid, $template) {
  70         if ($content = get_record('data_content', 'fieldid', $this->field->id, 'recordid', $recordid)) {
  71             $url = empty($content->content)? '':$content->content;
  72             $text = empty($content->content1)? '':$content->content1;
  73             if (empty($url) or ($url == 'http://')) {
  74                 return '';
  75             }
  76             if (!empty($this->field->param2)) {
  77                 // param2 forces the text to something
  78                 $text = $this->field->param2;
  79             }
  80             if ($this->field->param1) {
  81                 // param1 defines whether we want to autolink the url.
  82                 if (!empty($text)) {
  83                     $str = '<a href="'.$url.'">'.$text.'</a>';
  84                 } else {
  85                     $str = '<a href="'.$url.'">'.$url.'</a>';
  86                 }
  87             } else {
  88                 $str = $url;
  89             }
  90             return $str;
  91         }
  92         return false;
  93     }
  94
  95     function update_content($recordid, $value, $name='') {
  96         $content = new object;
  97         $content->fieldid = $this->field->id;
  98         $content->recordid = $recordid;
  99         $names = explode('_', $name);
 100         switch ($names[2]) {
 101             case 0:
 102                 // update link
 103                 $content->content = clean_param($value, PARAM_URL);
 104                 break;
 105             case 1:
 106                 // add text
 107                 $content->content1 = clean_param($value, PARAM_NOTAGS);
 108                 break;
 109             default:
 110                 break;
 111         }
 112
 113         if ($oldcontent = get_record('data_content','fieldid', $this->field->id, 'recordid', $recordid)) {
 114             $content->id = $oldcontent->id;
 115             return update_record('data_content', $content);
 116         } else {
 117             return insert_record('data_content', $content);
 118         }
 119     }
 120
 121     function notemptyfield($value, $name) {
 122         $names = explode('_',$name);
 123         $value = clean_param($value, PARAM_URL);
 124         //clean first
 125         if ($names[2] == '0') {
 126             return ($value!='http://' && !empty($value));
 127         }
 128         return false;
 129     }
 130
 131     function export_text_value($record) {
 132         return $record->content . " " . $record->content1;
 133     }
 134
 135 }
 136
 137 ?>