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