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64 lines
2.4 KiB
PHP
64 lines
2.4 KiB
PHP
<?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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* HTML class for a searchable select type element
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*
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* @package formlib
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* @copyright 2009 Jerome Mouneyrac
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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('select.php');
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/**
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* Display a select input with a search textfield input on the top
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* The search textfield is created by the javascript file searchselector.js
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* (so when javascript is not activated into the browser, the search field is not displayed)
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* If ever the select can be reset/unselect/blank/nooption, you will have to add an option "noselected"
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* and manage this special case when you get/set the form data (i.e. $mform->get_data()/$this->set_data($yourobject)).
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*/
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class MoodleQuickForm_searchableselector extends MoodleQuickForm_select{
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function MoodleQuickForm_searchableselector($elementName=null, $elementLabel=null, $options=null, $attributes=null) {
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//set size default to 12
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if (empty($attributes) || empty($attributes['size'])) {
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$attributes['size'] = 12;
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}
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parent::MoodleQuickForm_select($elementName, $elementLabel, $options, $attributes);
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}
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function toHtml(){
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global $OUTPUT;
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if ($this->_hiddenLabel){
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return parent::toHtml();
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} else {
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// Javascript for the search/selection fields
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global $PAGE;
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$PAGE->requires->yui2_lib('event');
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$PAGE->requires->js('/lib/form/searchableselector.js');
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$PAGE->requires->js_function_call('selector.filter_init', array(get_string('search'),$this->getAttribute('id')));
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$strHtml = '';
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$strHtml .= parent::toHtml(); //the select input
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return $strHtml;
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}
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}
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}
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