/**
* Serializes the entire form to XML, all elements included
*
* @access public
* @param string $namespace Optional namespace to use for the tags
* @return string $xml The XML representation of the form
* @see patForms_Element::toXML()
* @todo needs patForms_Element, maybe switch to PEAR::XML_Util
*/
function toXML($namespace = null)
{
$tagName = 'Form';
// prepend Namespace
if ($namespace != null) {
$tagName = $namespace . ':' . $tagName;
}
// get all attributes
$attributes = $this->getAttributes();
// create valid XML attributes
foreach ($attributes as $key => $value) {
$attributes[$key] = strtr($value, $this->xmlEntities);
}
$elements = '';
for ($i = 0; $i < $this->elementCounter; $i++) {
$elements .= $this->elements[$i]->toXML($namespace);
}
return patForms_Element::createTag($tagName, "full", $attributes, $elements);
}
/**
* [helper method] create an element HTML source from its attribute collection and
* returns it.
*
* @static
* @access protected
* @param string $tagname The name of the element / tag
* @param string $type Optional: the type of element to generate. Valid parameters are full|opening|closing|empty. Defaults to "full".
* @param mixed $value The value of the element
* @return string $element The HTML source of the element
*/
function createTag($tagname, $type = "full", $attributes = array(), $value = false)
{
switch ($type) {
case "closing":
return "</{$tagname}>";
break;
case "empty":
case "opening":
$tag = "<" . $tagname;
// create attribute collection
foreach ($attributes as $attributeName => $attributeValue) {
$tag = $tag . " " . $attributeName . "=\"" . htmlentities((string) $attributeValue) . "\"";
}
// empty tag?
if ($type == "empty") {
$tag = $tag . " />";
return $tag;
}
$tag = $tag . ">";
return $tag;
break;
case "full":
if ($value === false) {
return patForms_Element::createTag($tagname, "empty", $attributes);
}
return patForms_Element::createTag($tagname, "opening", $attributes) . htmlentities($value) . patForms_Element::createTag($tagname, "closing");
break;
}
}
