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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle 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 3 of the License, or
// (at your option) any later version.
//
// Moodle 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.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* select type form element
*
* Contains HTML class for a select type element with options containing link
*
* @package core_form
* @copyright 2008 Nicolas Connault <nicolasconnault@gmail.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once('HTML/QuickForm/select.php');
require_once('templatable_form_element.php');
/**
* select type form element
*
* HTML class for a select type element with options containing link
*
* @deprecated since 3.2
* @package core_form
* @category form
* @copyright 2008 Nicolas Connault <nicolasconnault@gmail.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class MoodleQuickForm_selectwithlink extends HTML_QuickForm_select implements templatable {
use templatable_form_element {
export_for_template as export_for_template_base;
}
/** @var string html for help button, if empty then no help */
var $_helpbutton='';
/** @var bool if true label will be hidden */
var $_hiddenLabel=false;
/** @var string url to which select option will be posted */
var $_link=null;
/** @var string data which will be posted to link */
var $_linklabel=null;
/** @var string url return link */
var $_linkreturn=null;
/**
* constructor
*
* @param string $elementName Select name attribute
* @param mixed $elementLabel Label(s) for the select
* @param array $options Data to be used to populate options
* @param mixed $attributes Either a typical HTML attribute string or an associative array
* @param bool $linkdata data to be posted
*/
public function __construct($elementName=null, $elementLabel=null, $options=null, $attributes=null, $linkdata=null) {
if (!empty($linkdata['link']) && !empty($linkdata['label'])) {
$this->_link = $linkdata['link'];
$this->_linklabel = $linkdata['label'];
}
if (!empty($linkdata['return'])) {
$this->_linkreturn = $linkdata['return'];
}
parent::__construct($elementName, $elementLabel, $options, $attributes);
$this->_type = 'selectwithlink';
}
/**
* Old syntax of class constructor. Deprecated in PHP7.
*
* @deprecated since Moodle 3.1
*/
public function MoodleQuickForm_selectwithlink($elementName=null, $elementLabel=null, $options=null, $attributes=null, $linkdata=null) {
debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
self::__construct($elementName, $elementLabel, $options, $attributes, $linkdata);
}
/**
* Sets label to be hidden
*
* @param bool $hiddenLabel sets if label should be hidden
*/
function setHiddenLabel($hiddenLabel){
$this->_hiddenLabel = $hiddenLabel;
}
/**
* Returns the SELECT in HTML
*
* @return string
*/
function toHtml(){
$retval = '';
if ($this->_hiddenLabel){
$this->_generateId();
$retval = '<label class="accesshide" for="'.$this->getAttribute('id').'" >'.
$this->getLabel().'</label>'.parent::toHtml();
} else {
$retval = parent::toHtml();
}
if (!empty($this->_link)) {
if (!empty($this->_linkreturn) && is_array($this->_linkreturn)) {
$appendchar = '?';
if (strstr($this->_link, '?')) {
$appendchar = '&';
}
foreach ($this->_linkreturn as $key => $val) {
$this->_link .= $appendchar."$key=$val";
$appendchar = '&';
}
}
$retval .= '<a style="margin-left: 5px" href="'.$this->_link.'">'.$this->_linklabel.'</a>';
}
return $retval;
}
/**
* get html for help button
*
* @return string html for help button
*/
function getHelpButton(){
return $this->_helpbutton;
}
/**
* Removes an OPTION from the SELECT
*
* @param string $value Value for the OPTION to remove
*/
function removeOption($value)
{
$key=array_search($value, $this->_values);
if ($key!==FALSE and $key!==null) {
unset($this->_values[$key]);
}
foreach ($this->_options as $key=>$option){
if ($option['attr']['value']==$value){
unset($this->_options[$key]);
return;
}
}
}
/**
* Removes all OPTIONs from the SELECT
*/
function removeOptions()
{
$this->_options = array();
}
/**
* Slightly different container template when frozen. Don't want to use a label tag
* with a for attribute in that case for the element label but instead use a div.
* Templates are defined in renderer constructor.
*
* @return string
*/
function getElementTemplateType(){
if ($this->_flagFrozen){
return 'static';
} else {
return 'default';
}
}
/**
* We check the options and return only the values that _could_ have been
* selected. We also return a scalar value if select is not "multiple"
*
* @param array $submitValues submitted values
* @param bool $assoc if true the retured value is associated array
* @return mixed
*/
function exportValue(&$submitValues, $assoc = false)
{
if (empty($this->_options)) {
return $this->_prepareValue(null, $assoc);
}
$value = $this->_findValue($submitValues);
if (is_null($value)) {
$value = $this->getValue();
}
$value = (array)$value;
$cleaned = array();
foreach ($value as $v) {
foreach ($this->_options as $option) {
if ((string)$option['attr']['value'] === (string)$v) {
$cleaned[] = (string)$option['attr']['value'];
break;
}
}
}
if (empty($cleaned)) {
return $this->_prepareValue(null, $assoc);
}
if ($this->getMultiple()) {
return $this->_prepareValue($cleaned, $assoc);
} else {
return $this->_prepareValue($cleaned[0], $assoc);
}
}
public function export_for_template(renderer_base $output) {
$context = $this->export_for_template_base($output);
$options = [];
// Standard option attributes.
$standardoptionattributes = ['text', 'value', 'selected', 'disabled'];
foreach ($this->_options as $option) {
if (is_array($this->_values) && in_array( (string) $option['attr']['value'], $this->_values)) {
$this->_updateAttrArray($option['attr'], ['selected' => 'selected']);
}
$o = [
'text' => $option['text'],
'value' => $option['attr']['value'],
'selected' => !empty($option['attr']['selected']),
'disabled' => !empty($option['attr']['disabled']),
];
// Set other attributes.
$otheroptionattributes = [];
foreach ($option['attr'] as $attr => $value) {
if (!in_array($attr, $standardoptionattributes) && $attr != 'class' && !is_object($value)) {
$otheroptionattributes[] = $attr . '="' . s($value) . '"';
}
}
$o['optionattributes'] = implode(' ', $otheroptionattributes);
$options[] = $o;
}
$context['options'] = $options;
if (!empty($this->_link)) {
if (!empty($this->_linkreturn) && is_array($this->_linkreturn)) {
$appendchar = '?';
if (strstr($this->_link, '?')) {
$appendchar = '&';
}
foreach ($this->_linkreturn as $key => $val) {
$this->_link .= $appendchar."$key=$val";
$appendchar = '&';
}
}
}
$context['link'] = $this->_link;
$context['linklabel'] = $this->_linklabel;
return $context;
}
}