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efrain |
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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4: */
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// +----------------------------------------------------------------------+
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// | PHP Version 4 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997-2003 The PHP Group |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 2.0 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available at through the world-wide-web at |
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// | http://www.php.net/license/2_02.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Authors: Alexey Borzov <avb@php.net> |
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// +----------------------------------------------------------------------+
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//
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// $Id$
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require_once 'HTML/QuickForm/element.php';
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/**
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* Class for HTML 4.0 <button> element
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*
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* @author Alexey Borzov <avb@php.net>
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* @since 3.2.3
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* @access public
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*/
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class HTML_QuickForm_xbutton extends HTML_QuickForm_element
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{
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/**
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* Contents of the <button> tag
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* @var string
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* @access private
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*/
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var $_content;
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/**
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* Class constructor
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*
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* @param string Button name
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* @param string Button content (HTML to add between <button></button> tags)
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* @param mixed Either a typical HTML attribute string or an associative array
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* @access public
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*/
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public function __construct($elementName = null, $elementContent = null, $attributes = null) {
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parent::__construct($elementName, null, $attributes);
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$this->setContent($elementContent);
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$this->setPersistantFreeze(false);
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$this->_type = 'xbutton';
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}
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/**
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* Old syntax of class constructor. Deprecated in PHP7.
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*
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* @deprecated since Moodle 3.1
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*/
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public function HTML_QuickForm_xbutton($elementName = null, $elementContent = null, $attributes = null) {
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debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
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self::__construct($elementName, $elementContent, $attributes);
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}
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function toHtml()
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{
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return '<button' . $this->getAttributes(true) . '>' . $this->_content . '</button>';
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}
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function getFrozenHtml()
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{
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return $this->toHtml();
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}
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function freeze()
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{
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return false;
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}
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function setName($name)
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{
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$this->updateAttributes(array(
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'name' => $name
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));
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}
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function getName()
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{
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return $this->getAttribute('name');
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}
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function setValue($value)
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{
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$this->updateAttributes(array(
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'value' => $value
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));
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}
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function getValue()
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{
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return $this->getAttribute('value');
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}
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/**
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* Sets the contents of the button element
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*
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* @param string Button content (HTML to add between <button></button> tags)
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*/
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function setContent($content)
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{
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$this->_content = $content;
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}
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function onQuickFormEvent($event, $arg, &$caller)
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{
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if ('updateValue' != $event) {
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return parent::onQuickFormEvent($event, $arg, $caller);
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} else {
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$value = $this->_findValue($caller->_constantValues);
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if (null === $value) {
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$value = $this->_findValue($caller->_defaultValues);
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}
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if (null !== $value) {
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$this->setValue($value);
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}
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}
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return true;
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}
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/**
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* Returns a 'safe' element's value
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*
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* The value is only returned if the button's type is "submit" and if this
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* particlular button was clicked
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*/
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function exportValue(&$submitValues, $assoc = false)
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{
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if ('submit' == $this->getAttribute('type')) {
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return $this->_prepareValue($this->_findValue($submitValues), $assoc);
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} else {
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return null;
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}
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}
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}
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?>
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