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<?php
/**
* XHtmlSimpleElement
*
* Used to generate Xhtml-Code for simple xhtml elements
* (i.e. elements, that can't contain child elements)
*
*
* @author Felix Meinhold
*
*/
class XHtmlSimpleElement {
var $_element;
var $_siblings = array();
var $_htmlcode;
var $_attributes = array();
/**
* Constructor
*
* @param string The element's name. Defaults to name of the
* derived class
*
*/
function __construct($element = null) {
$this->_element = $this->is_element();
}
function set_style($style) {
$this->set_attribute('style', $style);
}
function set_class($class) {
$this->set_attribute('class', $class);
}
function is_element() {
return
str_replace('xhtml_', '', strtolower(get_class($this)));
}
/**
* Private function generates xhtml
* @access private
*/
function _html() {
$this->_htmlcode = "<";
foreach ($this->_attributeCollection as $attribute => $value) {
if (!empty($value)) $this->_htmlcode .= " {$attribute}=\"{$value}\"";
}
$this->_htmlcode .= "/>";
return $this->_htmlcode;
}
/**
* Returns xhtml code
*
*/
function fetch() {
return $this->_html();
}
/**
* Echoes xhtml
*
*/
function show() {
echo $this->fetch();
}
function set_attribute($attr, $value) {
$this->_attributes[$attr] = $value;
}
}
/**
* XHtmlElement
*
* Used to generate Xhtml-Code for xhtml elements
* that can contain child elements
*
*
*/
class XHtmlElement extends XHtmlSimpleElement {
var $_text = null;
var $_htmlcode = "";
var $_siblings = array();
function __construct($text = null) {
parent::__construct();
if ($text) $this->set_text($text);
}
/*
* Adds an xhtml child to element
*
* @param XHtmlElement The element to become a child of element
*/
function add(&$object) {
array_push($this->_siblings, $object);
}
/*
* The CDATA section of Element
*
* @param string Text
*/
function set_text($text) {
if ($text) $this->_text = htmlspecialchars($text);
}
function fetch() {
return $this->_html();
}
function _html() {
$this->_htmlcode = "<{$this->_element}";
foreach ($this->_attributes as $attribute =>$value) {
if (!empty($value)) $this->_htmlcode .= " {$attribute} =\"{$value}\"";
}
$this->_htmlcode .= ">";
if ($this->_text) {
$this->_htmlcode .= $this->_text;
}
foreach ($this->_siblings as $obj) {
$this->_htmlcode .= $obj->fetch();
}
$this->_htmlcode .= "</{$this->_element}>";
return $this->_htmlcode;
}
/*
* Returns siblings of Element
*
*/
function get_siblings() {
return $this->_siblings;
}
function has_siblings() {
return (count($this->_siblings) != 0);
}
}
class XHTML_Button extends XHtmlElement {
function __construct($name, $text = null) {
parent::__construct();
$this->set_attribute("name", $name);
if ($text) $this->set_text($text);
}
}
class XHTML_Option extends XHtmlElement {
function __construct($text, $value = null) {
parent::__construct(null);
$this->set_text($text);
}
}
class XHTML_Select extends XHTMLElement {
var $_data;
function __construct($name, $multiple = false, $size = null) {
parent::__construct();
$this->set_attribute("name", $name);
if ($multiple) $this->set_attribute("multiple","multiple");
if ($size) $this->set_attribute("size",$size);
}
function set_data(&$data, $delim = ",") {
switch (gettype($data)) {
case "string":
$this->_data = explode($delim, $data);
break;
case "array":
$this->_data = $data;
break;
default:
break;
}
}
function fetch() {
if (isset($this->_data) && $this->_data) {
foreach ($this->_data as $value) { $this->add(new XHTML_Option($value)); }
}
return parent::fetch();
}
}
?>
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