/**
* Override <mxObjectCodec.decode>.
*/
function decode($dec, $node, $into = null)
{
$id = $node->getAttribute("id");
$obj = in_array($id, $dec->objects) ? $dec->objects[$id] : null;
if (!isset($obj)) {
if (isset($into)) {
$obj = $into;
} else {
$tmp = get_class($this->template);
$obj = new $tmp();
}
if (isset($id)) {
$dec->putObject($id, $obj);
}
}
$node = $node->firstChild;
while (isset($node)) {
if (!$this->processInclude($dec, $node, $obj) && $node->nodeName == "add") {
$as = $node->getAttribute("as");
if (strlen($as) > 0) {
$extend = $node->getAttribute("extend");
$style = strlen($extend) > 0 && isset($obj->styles[$extend]) ? array_slice($obj->styles[$extend], 0) : null;
if (!isset($style)) {
$style = array();
}
$entry = $node->firstChild;
while (isset($entry)) {
if ($entry->nodeType == XML_ELEMENT_NODE) {
$key = $entry->getAttribute("as");
if ($entry->nodeName == "add") {
$text = $entry->textContent;
$value = null;
if (isset($text) && strlen($text) > 0) {
$value = mxUtils::evaluate($text);
} else {
$value = $entry->getAttribute("value");
}
if ($value != null) {
$style[$key] = $value;
}
} else {
if ($entry->nodeName == "remove") {
unset($style[$key]);
}
}
}
$entry = $entry->nextSibling;
}
$obj->putCellStyle($as, $style);
}
}
$node = $node->nextSibling;
}
return $obj;
}
/**
* Function: getPerimeterFunction
*
* Returns the perimeter function for the given state.
*/
function getPerimeterFunction($state)
{
$perimeter = mxUtils::getValue($state->style, mxConstants::$STYLE_PERIMETER);
// Converts string values to objects
if (is_string($perimeter)) {
$tmp = mxStyleRegistry::getValue($perimeter);
if ($tmp == null && strpos($perimeter, ".") !== false) {
$tmp = mxUtils::evaluate($perimeter);
}
$perimeter = $tmp;
}
if ($perimeter instanceof mxPerimeterFunction) {
return $perimeter;
}
return null;
}