moodle-mod-customcert/includes/colourpicker.php

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<?php
// This file is part of the customcert module for 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/>.
defined('MOODLE_INTERNAL') || die('Direct access to this script is forbidden.');
require_once("HTML/QuickForm/text.php");
/**
* Form element for handling the colour picker.
*
* @package mod_customcert
* @copyright 2013 Mark Nelson <markn@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class MoodleQuickForm_customcert_colourpicker extends HTML_QuickForm_text {
/**
* The string for the help icon, if empty then no help icon will be displayed.
*/
public $_helpbutton = '';
/**
* Constructor for the colour picker.
*
* @param string $elementName
* @param string $elementLabel
* @param array $attributes
*/
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function __construct($elementName = null, $elementLabel = null, $attributes = null) {
parent::__construct($elementName, $elementLabel, $attributes);
}
/**
* Old school constructor name to support earlier versions of Moodle.
*
* @param string $elementName
* @param string $elementLabel
* @param array $attributes
*/
function MoodleQuickForm_customcert_colourpicker($elementName = null, $elementLabel = null, $attributes = null) {
self::__construct($elementName, $elementLabel, $attributes);
}
/**
* Returns the html string to display this element.
*
* @return string
*/
public function toHtml() {
global $PAGE, $OUTPUT;
$PAGE->requires->js_init_call('M.util.init_colour_picker', array($this->getAttribute('id'), null));
$content = '<label class="accesshide" for="' . $this->getAttribute('id') . '" >' . $this->getLabel() . '</label>';
$content .= html_writer::start_tag('div', array('class' => 'form-colourpicker defaultsnext'));
$content .= html_writer::tag('div', $OUTPUT->pix_icon('i/loading', get_string('loading', 'admin'), 'moodle',
array('class' => 'loadingicon')), array('class' => 'admin_colourpicker clearfix'));
$content .= html_writer::empty_tag('input', array('type' => 'text', 'id' => $this->getAttribute('id'),
'name' => $this->getName(), 'value' => $this->getValue(), 'size' => '12'));
$content .= html_writer::end_tag('div');
return $content;
}
/**
* Return the html for the help button.
*
* @return string html for help button
*/
public function getHelpButton(){
return $this->_helpbutton;
}
}