function set_id($id)
{
$this->_frame->set_id($id);
}
/**
* Recursively adds {@link Frame} objects to the tree
*
* Recursively build a tree of Frame objects based on a dom tree.
* No layout information is calculated at this time, although the
* tree may be adjusted (i.e. nodes and frames for generated content
* and images may be created).
*
* @param DomNode $node the current DomNode being considered
* @return Frame
*/
protected function _build_tree_r(DomNode $node)
{
$frame = new Frame($node);
$frame->set_id($id = uniqid(rand()));
$this->_registry[$id] = $frame;
if (!$node->hasChildNodes()) {
return $frame;
}
foreach ($node->childNodes as $child) {
// Skip non-displaying nodes
if (in_array($child->nodeName, self::$_HIDDEN_TAGS)) {
continue;
}
// Skip empty #text nodes
if ($child->nodeName == "#text" && $child->nodeValue == "") {
continue;
}
// Add a container frame for images
if ($child->nodeName == "img") {
$img_node = $child->ownerDocument->createElement("img_inner");
// Move attributes to inner node
foreach ($child->attributes as $attr => $attr_node) {
// Skip style, but move all other attributes
if ($attr == "style") {
continue;
}
$img_node->setAttribute($attr, $attr_node->value);
}
foreach ($child->attributes as $attr => $node) {
if ($attr == "style") {
continue;
}
$child->removeAttribute($attr);
}
$child->appendChild($img_node);
}
$frame->append_child($this->_build_tree_r($child), false);
}
return $frame;
}
