Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

243 lines (203 sloc) 9.168 kb
<?php
///////////////////////////////////////////////////////////////////////////
// //
// 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_multimenu extends data_field_base {
var $type = 'multimenu';
function display_add_field($recordid=0) {
global $DB;
if ($recordid){
$content = $DB->get_field('data_content', 'content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid));
$content = explode('##', $content);
} else {
$content = array();
}
$str = '<div title="'.s($this->field->description).'">';
$str .= '<input name="field_' . $this->field->id . '[xxx]" type="hidden" value="xxx"/>'; // hidden field - needed for empty selection
$str .= '<label class="accesshide" for="field_' . $this->field->id . '">' . $this->field->name. '</label>';
$str .= '<select name="field_' . $this->field->id . '[]" id="field_' . $this->field->id . '" multiple="multiple">';
foreach (explode("\n",$this->field->param1) as $option) {
$option = trim($option);
$str .= '<option value="' . s($option) . '"';
if (in_array($option, $content)) {
// Selected by user.
$str .= ' selected = "selected"';
}
$str .= '>';
$str .= $option . '</option>';
}
$str .= '</select>';
$str .= '</div>';
return $str;
}
function display_search_field($value = '') {
global $CFG, $DB;
if (is_array($value)){
$content = $value['selected'];
$allrequired = $value['allrequired'] ? true : false;
} else {
$content = array();
$allrequired = false;
}
static $c = 0;
$str = '<label class="accesshide" for="f_' . $this->field->id . '">' . $this->field->name . '</label>';
$str .= '<select id="f_'.$this->field->id.'" name="f_'.$this->field->id.'[]" multiple="multiple">';
// display only used options
$varcharcontent = $DB->sql_compare_text('content', 255);
$sql = "SELECT DISTINCT $varcharcontent AS content
FROM {data_content}
WHERE fieldid=? AND content IS NOT NULL";
$usedoptions = array();
if ($used = $DB->get_records_sql($sql, array($this->field->id))) {
foreach ($used as $data) {
$valuestr = $data->content;
if ($valuestr === '') {
continue;
}
$values = explode('##', $valuestr);
foreach ($values as $value) {
$usedoptions[$value] = $value;
}
}
}
$found = false;
foreach (explode("\n",$this->field->param1) as $option) {
$option = trim($option);
if (!isset($usedoptions[$option])) {
continue;
}
$found = true;
$str .= '<option value="' . s($option) . '"';
if (in_array($option, $content)) {
// Selected by user.
$str .= ' selected = "selected"';
}
$str .= '>' . $option . '</option>';
}
if (!$found) {
// oh, nothing to search for
return '';
}
$str .= '</select>';
$str .= html_writer::checkbox('f_'.$this->field->id.'_allreq', null, $allrequired, get_string('selectedrequired', 'data'));
return $str;
}
function parse_search_field() {
$selected = optional_param_array('f_'.$this->field->id, array(), PARAM_NOTAGS);
$allrequired = optional_param('f_'.$this->field->id.'_allreq', 0, PARAM_BOOL);
if (empty($selected)) {
// no searching
return '';
}
return array('selected'=>$selected, 'allrequired'=>$allrequired);
}
function generate_sql($tablealias, $value) {
global $DB;
static $i=0;
$i++;
$name = "df_multimenu_{$i}_";
$params = array();
$varcharcontent = $DB->sql_compare_text("{$tablealias}.content", 255);
$allrequired = $value['allrequired'];
$selected = $value['selected'];
if ($selected) {
$conditions = array();
$j=0;
foreach ($selected as $sel) {
$j++;
$xname = $name.$j;
$likesel = str_replace('%', '\%', $sel);
$likeselsel = str_replace('_', '\_', $likesel);
$conditions[] = "({$tablealias}.fieldid = {$this->field->id} AND ({$varcharcontent} = :{$xname}a
OR {$tablealias}.content LIKE :{$xname}b
OR {$tablealias}.content LIKE :{$xname}c
OR {$tablealias}.content LIKE :{$xname}d))";
$params[$xname.'a'] = $sel;
$params[$xname.'b'] = "$likesel##%";
$params[$xname.'c'] = "%##$likesel";
$params[$xname.'d'] = "%##$likesel##%";
}
if ($allrequired) {
return array(" (".implode(" AND ", $conditions).") ", $params);
} else {
return array(" (".implode(" OR ", $conditions).") ", $params);
}
} else {
return array(" ", array());
}
}
function update_content($recordid, $value, $name='') {
global $DB;
$content = new stdClass();
$content->fieldid = $this->field->id;
$content->recordid = $recordid;
$content->content = $this->format_data_field_multimenu_content($value);
if ($oldcontent = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) {
$content->id = $oldcontent->id;
return $DB->update_record('data_content', $content);
} else {
return $DB->insert_record('data_content', $content);
}
}
function format_data_field_multimenu_content($content) {
if (!is_array($content)) {
return NULL;
}
$options = explode("\n", $this->field->param1);
$options = array_map('trim', $options);
$vals = array();
foreach ($content as $key=>$val) {
if ($key === 'xxx') {
continue;
}
if (!in_array($val, $options)) {
continue;
}
$vals[] = $val;
}
if (empty($vals)) {
return NULL;
}
return implode('##', $vals);
}
function display_browse_field($recordid, $template) {
global $DB;
if ($content = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) {
if (empty($content->content)) {
return false;
}
$options = explode("\n",$this->field->param1);
$options = array_map('trim', $options);
$contentArr = explode('##', $content->content);
$str = '';
foreach ($contentArr as $line) {
if (!in_array($line, $options)) {
// hmm, looks like somebody edited the field definition
continue;
}
$str .= $line . "<br />\n";
}
return $str;
}
return false;
}
}
Jump to Line
Something went wrong with that request. Please try again.