documentation/moodle/mod_2data_2field_2text_2field_8class_8php_source.html

00001 <?php
00003 //                                                                       //
00004 // NOTICE OF COPYRIGHT                                                   //
00005 //                                                                       //
00006 // Moodle - Modular Object-Oriented Dynamic Learning Environment         //
00007 //          http://moodle.org                                            //
00008 //                                                                       //
00009 // Copyright (C) 1999-onwards Moodle Pty Ltd  http://moodle.com          //
00010 //                                                                       //
00011 // This program is free software; you can redistribute it and/or modify  //
00012 // it under the terms of the GNU General Public License as published by  //
00013 // the Free Software Foundation; either version 2 of the License, or     //
00014 // (at your option) any later version.                                   //
00015 //                                                                       //
00016 // This program is distributed in the hope that it will be useful,       //
00017 // but WITHOUT ANY WARRANTY; without even the implied warranty of        //
00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         //
00019 // GNU General Public License for more details:                          //
00020 //                                                                       //
00021 //          http://www.gnu.org/copyleft/gpl.html                         //
00022 //                                                                       //
00024
00025 class data_field_text extends data_field_base {
00026
00027     var $type = 'text';
00028
00029     function display_search_field($value = '') {
00030         return '<input type="text" size="16" name="f_'.$this->field->id.'" value="'.$value.'" />';
00031     }
00032
00033     function parse_search_field() {
00034         return optional_param('f_'.$this->field->id, '', PARAM_NOTAGS);
00035     }
00036
00037     function generate_sql($tablealias, $value) {
00038         global $DB;
00039
00040         static $i=0;
00041         $i++;
00042         $name = "df_text_$i";
00043         return array(" ({$tablealias}.fieldid = {$this->field->id} AND ".$DB->sql_like("{$tablealias}.content", ":$name", false).") ", array($name=>"%$value%"));
00044     }
00045
00046 }
00047
00048