/**
* Recursively adds {@link FrameParser} objects to the tree
*
* Recursively build a tree of FrameParser 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 FrameParser
*/
protected function _build_tree_r(DomNode $node)
{
$frame = new FrameParser($node);
$id = $frame->get_id();
$this->_registry[$id] = $frame;
if (!$node->hasChildNodes()) {
return $frame;
}
// Fixes 'cannot access undefined property for object with
// overloaded access', fix by Stefan radulian
// <*****@*****.**>
//foreach ($node->childNodes as $child) {
// Store the children in an array so that the tree can be modified
$children = array();
for ($i = 0; $i < $node->childNodes->length; $i++) {
$children[] = $node->childNodes->item($i);
}
foreach ($children as $child) {
$node_name = mb_strtolower($child->nodeName);
// Skip non-displaying nodes
if (in_array($node_name, self::$_HIDDEN_TAGS)) {
if ($node_name !== "head" && $node_name !== "style") {
$child->parentNode->removeChild($child);
}
continue;
}
// Skip empty text nodes
if ($node_name === "#text" && $child->nodeValue == "") {
$child->parentNode->removeChild($child);
continue;
}
// Skip empty image nodes
if ($node_name === "img" && $child->getAttribute("src") == "") {
$child->parentNode->removeChild($child);
continue;
}
$frame->append_child($this->_build_tree_r($child), false);
}
return $frame;
}
/**
* Render frames recursively
*
* @param FrameParser $frame The frame to render
*/
private function _render(FrameParser $frame, $filter = false)
{
$aDompdfTree = array();
$node = $frame->get_node();
switch ($node->nodeName) {
case 'caption':
//ignore these tags
//ignore these tags
case 'meta':
case 'script':
case 'title':
break;
case 'div':
//converts floating divs to floating tables
/*$nodeTable = false;
$attributes = $this->getProperties($frame->get_style());
if(isset($attributes['float']) && ($attributes['float'] == 'right' || $attributes['float'] == 'left')){
$nodeTable = true;
}*/
if ($this->parseDivs == 'table') {
//TODO move float childs
/*foreach($frame->get_children() as $child){
$attributes = $this->getProperties($child->get_style());
if(isset($attributes['float']) && ($attributes['float'] == 'right' || $attributes['float'] == 'left')){
// $childNode = $child->get_node();
// $childNode = $node->removeChild($childNode);
// $node->appendChild($childNode);
//$frame->append_child($child);
}
}*/
$aDompdfTree['nodeName'] = 'table';
//$aDompdfTree['nodeValue'] = $node->nodeValue;
$aDompdfTree['attributes'] = $this->getAttributes($node);
$aDompdfTree['properties'] = $this->getProperties($frame->get_style());
$filter = $filter == '*' || isset($aDompdfTree['attributes']['class']) && in_array('_phpdocx_filter_paint_', $aDompdfTree['attributes']['class']) ? '*' : false;
$sTempFilter = $filter != '*' ? '_noPaint' : '';
$aDompdfTree['nodeName'] .= $sTempFilter;
$aDompdfTree['children'][] = array('nodeName' => 'tr' . $sTempFilter, 'attributes' => array('border' => 0), 'properties' => array('background_color' => 'transparent'));
$aDompdfTree['children'][0]['children'][] = array('nodeName' => 'td' . $sTempFilter, 'nodeValue' => $node->nodeValue, 'attributes' => array('colspan' => '1', 'rowspan' => '1', 'border' => 0), 'properties' => array('background_color' => 'transparent'));
$aTempTree = array();
foreach ($frame->get_children() as $child) {
/*$attributes = $this->getProperties($child->get_style());
//TODO extract to parent; make next sibling of this
if(isset($attributes['float']) && ($attributes['float'] == 'right' || $attributes['float'] == 'left')){
var_dump($attributes['float'], $child->get_node());
$node->parentNode->appendChild($child->get_node());
continue;
}*/
$aTemp = $this->_render($child, $filter);
if (!empty($aTemp)) {
$aTempTree[] = $aTemp;
}
}
$aDompdfTree['children'][0]['children'][0]['children'] = empty($aTempTree) ? array() : $aTempTree;
return $aDompdfTree;
break;
}
//elseif($this->parseDivs) $aDompdfTree['nodeName'] = 'p';/**/
//elseif($this->parseDivs) $aDompdfTree['nodeName'] = 'p';/**/
case '#text':
case 'a':
case 'br':
case 'dd':
case 'dl':
case 'dt':
case 'h1':
case 'h2':
case 'h3':
case 'h4':
case 'h5':
case 'h6':
case 'img':
case 'img_inner':
case 'input':
case 'label':
case 'li':
case 'ol':
case 'option':
case 'p':
case 'samp':
case 'select':
case 'span':
case 'sub':
case 'sup':
case 'table':
case 'td':
case 'th':
case 'tr':
case 'u':
case 'ul':
if ($this->parseDivs == 'paragraph' && $node->nodeName == 'div') {
if (!in_array($node->parentNode->nodeName, self::$noDiv)) {
$aDompdfTree['nodeName'] = 'p';
}
} else {
$aDompdfTree['nodeName'] = $node->nodeName;
}
$aDompdfTree['nodeValue'] = $node->nodeValue;
$aDompdfTree['attributes'] = $this->getAttributes($node);
$aDompdfTree['properties'] = $this->getProperties($frame->get_style());
$filter = $filter == '*' || isset($aDompdfTree['attributes']['class']) && in_array('_phpdocx_filter_paint_', $aDompdfTree['attributes']['class']) ? '*' : false;
if ($filter != '*') {
$aDompdfTree['nodeName'] .= '_noPaint';
}
$aTempTree = array();
foreach ($frame->get_children() as $child) {
$aTemp = $this->_render($child, $filter);
if (!empty($aTemp)) {
$aTempTree[] = $aTemp;
}
}
$aDompdfTree['children'] = empty($aTempTree) ? array() : $aTempTree;
return $aDompdfTree;
break;
case 'close':
$aDompdfTree['nodeName'] = $node->nodeName;
foreach ($frame->get_children() as $child) {
$aTemp = $this->_render($child, false);
if (!empty($aTemp)) {
$aTempTree[] = $aTemp;
}
}
$aDompdfTree['children'] = empty($aTempTree) ? array() : $aTempTree;
return $aDompdfTree;
break;
default:
$aDompdfTree['nodeName'] = $node->nodeName;
$aDompdfTree['attributes'] = $this->getAttributes($node);
$filter = $filter == '*' || isset($aDompdfTree['attributes']['class']) && in_array('_phpdocx_filter_paint_', $aDompdfTree['attributes']['class']) ? '*' : false;
if ($filter != '*') {
$aDompdfTree['nodeName'] .= '_noPaint';
}
foreach ($frame->get_children() as $child) {
$aTemp = $this->_render($child, $filter);
if (!empty($aTemp)) {
$aTempTree[] = $aTemp;
}
}
$aDompdfTree['children'] = empty($aTempTree) ? array() : $aTempTree;
return $aDompdfTree;
break;
}
return false;
}
/**
* @return FrameParser
*/
function next()
{
$ret = $this->_cur;
if (!$ret) {
return null;
}
$this->_cur = $this->_cur->get_next_sibling();
$this->_num++;
return $ret;
}
