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executable file 107 lines (87 sloc) 4.177 kB
<?php // $Id$
///////////////////////////////////////////////////////////////////////////
// //
// NOTICE OF COPYRIGHT //
// //
// Moodle - Modular Object-Oriented Dynamic Learning Environment //
// http://moodle.org //
// //
// Copyright (C) 1999-onwards Moodle Pty Ltd http://moodle.com //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation; either version 2 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License for more details: //
// //
// http://www.gnu.org/copyleft/gpl.html //
// //
///////////////////////////////////////////////////////////////////////////
class data_field_menu extends data_field_base {
var $type = 'menu';
function data_field_menu($field=0, $data=0) {
parent::data_field_base($field, $data);
}
function display_add_field($recordid=0) {
if ($recordid){
$content = get_field('data_content', 'content', 'fieldid', $this->field->id, 'recordid', $recordid);
$content = trim($content);
} else {
$content = '';
}
$str = '<div title="'.s($this->field->description).'">';
$rawoptions = explode("\n",$this->field->param1);
foreach ($rawoptions as $option) {
$option = trim($option);
if ($option) {
$options[$option] = $option;
}
}
$str .= choose_from_menu($options, 'field_'.$this->field->id, $content,
get_string('menuchoose', 'data'), '', '', true, false, 0, 'field_'.$this->field->id);
$str .= '</div>';
return $str;
}
function display_search_field($content = '') {
global $CFG;
$varcharcontent = sql_compare_text('content', 255);
$sql = "SELECT DISTINCT $varcharcontent AS content
FROM {$CFG->prefix}data_content
WHERE fieldid={$this->field->id} AND content IS NOT NULL";
$usedoptions = array();
if ($used = get_records_sql($sql)) {
foreach ($used as $data) {
$value = $data->content;
if ($value === '') {
continue;
}
$usedoptions[$value] = $value;
}
}
$options = array();
foreach (explode("\n",$this->field->param1) as $option) {
$option = trim($option);
if (!isset($usedoptions[$option])) {
continue;
}
$options[$option] = $option;
}
if (!$options) {
// oh, nothing to search for
return '';
}
return choose_from_menu($options, 'f_'.$this->field->id, stripslashes($content), 'choose', '', 0, true);
}
function parse_search_field() {
return optional_param('f_'.$this->field->id, '', PARAM_NOTAGS);
}
function generate_sql($tablealias, $value) {
$varcharcontent = sql_compare_text("{$tablealias}.content", 255);
return " ({$tablealias}.fieldid = {$this->field->id} AND $varcharcontent = '$value') ";
}
}
?>
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