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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4: */
// +----------------------------------------------------------------------+
// | PHP version 4.0                                                      |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997, 1998, 1999, 2000, 2001 The PHP Group             |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.0 of the PHP license,       |
// | that is bundled with this package in the file LICENSE, and is        |
// | available at through the world-wide-web at                           |
// | http://www.php.net/license/2_02.txt.                                 |
// | If you did not receive a copy of the PHP license and are unable to   |
// | obtain it through the world-wide-web, please send a note to          |
// | license@php.net so we can mail you a copy immediately.               |
// +----------------------------------------------------------------------+
// | Authors: Adam Daniel <adaniel1@eesus.jnj.com>                        |
// |          Bertrand Mansion <bmansion@mamasam.com>                     |
// +----------------------------------------------------------------------+
//
// $Id$

require_once("HTML/QuickForm/element.php");

/**
 * Base class for input form elements
 * 
 * @author       Adam Daniel <adaniel1@eesus.jnj.com>
 * @author       Bertrand Mansion <bmansion@mamasam.com>
 * @version      1.0
 * @since        PHP4.04pl1
 * @access       public
 * @abstract
 */
class HTML_QuickForm_input extends HTML_QuickForm_element
{
    // {{{ constructor

/**
     * Class constructor
     * 
     * @param    string     Input field name attribute
     * @param    mixed      Label(s) for the input field
     * @param    mixed      Either a typical HTML attribute string or an associative array
     * @since     1.0
     * @access    public
     * @return    void
     */
    public function __construct($elementName=null, $elementLabel=null, $attributes=null) {
        parent::__construct($elementName, $elementLabel, $attributes);
    } //end constructor

/**
     * Old syntax of class constructor. Deprecated in PHP7.
     *
     * @deprecated since Moodle 3.1
     */
    public function HTML_QuickForm_input($elementName=null, $elementLabel=null, $attributes=null) {
        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
        self::__construct($elementName, $elementLabel, $attributes);
    }

// }}}
    // {{{ setType()

/**
     * Sets the element type
     *
     * @param     string    $type   Element type
     * @since     1.0
     * @access    public
     * @return    void
     */
    function setType($type)
    {
        $this->_type = $type;
        $this->updateAttributes(array('type'=>$type));
    } // end func setType
    
    // }}}
    // {{{ setName()

/**
     * Sets the input field name
     * 
     * @param     string    $name   Input field name attribute
     * @since     1.0
     * @access    public
     * @return    void
     */
    function setName($name)
    {
        $this->updateAttributes(array('name'=>$name));
    } //end func setName
    
    // }}}
    // {{{ getName()

/**
     * Returns the element name
     * 
     * @since     1.0
     * @access    public
     * @return    string
     */
    function getName()
    {
        return $this->getAttribute('name');
    } //end func getName
    
    // }}}
    // {{{ setValue()

/**
     * Sets the value of the form element
     *
     * @param     string    $value      Default value of the form element
     * @since     1.0
     * @access    public
     * @return    void
     */
    function setValue($value)
    {
        $this->updateAttributes(array('value'=>$value));
    } // end func setValue

// }}}
    // {{{ getValue()

/**
     * Returns the value of the form element
     *
     * @since     1.0
     * @access    public
     * @return    string
     */
    function getValue()
    {
        return $this->getAttribute('value');
    } // end func getValue
    
    // }}}
    // {{{ toHtml()

/**
     * Returns the input field in HTML
     * 
     * @since     1.0
     * @access    public
     * @return    string
     */
    function toHtml()
    {
        if ($this->_flagFrozen) {
            return $this->getFrozenHtml();
        } else {
            return $this->_getTabs() . '<input' . $this->_getAttrString($this->_attributes) . ' />';
        }
    } //end func toHtml

// }}}
    // {{{ onQuickFormEvent()

/**
     * Called by HTML_QuickForm whenever form event is made on this element
     *
     * @param     string    $event  Name of event
     * @param     mixed     $arg    event arguments
     * @param     object    $caller calling object
     * @since     1.0
     * @access    public
     * @return    void
     * @throws    
     */
    function onQuickFormEvent($event, $arg, &$caller)
    {
        // do not use submit values for button-type elements
        $type = $this->getType();
        if (('updateValue' != $event) ||
            ('submit' != $type && 'reset' != $type && 'image' != $type && 'button' != $type)) {
            parent::onQuickFormEvent($event, $arg, $caller);
        } else {
            $value = $this->_findValue($caller->_constantValues);
            if (null === $value) {
                $value = $this->_findValue($caller->_defaultValues);
            }
            if (null !== $value) {
                $this->setValue($value);
            }
        }
        return true;
    } // end func onQuickFormEvent

// }}}
    // {{{ exportValue()

/**
    * We don't need values from button-type elements (except submit) and files
    */
    function exportValue(&$submitValues, $assoc = false)
    {
        $type = $this->getType();
        if ('reset' == $type || 'image' == $type || 'button' == $type || 'file' == $type) {
            return null;
        } else {
            return parent::exportValue($submitValues, $assoc);
        }
    }
    
    // }}}
} // end class HTML_QuickForm_element
?>