/**
* Retrieve tree slice array
*
* @return array
*/
public function getTree()
{
if (!$this->hasData('_tree')) {
$up = $this->_getData('up');
if (!abs(intval($up))) {
$up = 0;
}
$down = $this->_getData('down');
if (!abs(intval($down))) {
$down = 0;
}
$tree = $this->_node->setCollectActivePagesOnly(true)->setCollectIncludedPagesOnly(true)->setTreeMaxDepth($down)->setTreeIsBrief($this->isBrief())->getTreeSlice($up, 1);
$this->setData('_tree', $tree);
}
return $this->_getData('_tree');
}
/**
* Retrieve Nodes collection array
*
* @return array
*/
public function getNodes()
{
if (!$this->hasData('_nodes')) {
// initialize nodes
$nodes = $this->_node->setCollectActivePagesOnly(true)->getParentNodeChildren();
$flags = array('previous' => false, 'next' => false);
$count = count($nodes);
$previous = null;
$next = null;
$first = null;
$last = null;
$current = 0;
foreach ($nodes as $k => $node) {
$node->setPageNumber($k + 1);
$node->setIsCurrent(false);
if (is_null($first)) {
$first = $node;
}
if ($flags['next']) {
$next = $node;
$flags['next'] = false;
}
if ($node->getId() == $this->_node->getId()) {
$flags['next'] = true;
$flags['previous'] = true;
$current = $k;
$node->setIsCurrent(true);
}
if (!$flags['previous']) {
$previous = $node;
}
$last = $node;
}
$this->setPreviousNode($previous);
$this->setFirstNode($first);
$this->setLastNode($last);
$this->setNextNode($next);
$this->setCanShowNext($next !== null);
// calculate pages frame range
if ($this->getFrame() > 0) {
$middleFrame = ceil($this->getFrame() / 2);
if ($count > $this->getFrame() && $current < $middleFrame) {
$start = 0;
} else {
$start = $current - $middleFrame + 1;
if ($start + 1 + $this->getFrame() > $count) {
$start = $count - $this->getFrame();
}
}
if ($start > 0) {
$this->setCanShowFirst(true);
} else {
$this->setCanShowFirst(false);
}
$end = $start + $this->getFrame();
if ($end < $count) {
$this->setCanShowLast(true);
} else {
$this->setCanShowLast(false);
}
} else {
$this->setCanShowFirst(false);
$this->setCanShowLast(false);
$start = 0;
$end = $count;
}
$this->setCanShowPreviousJump(false);
$this->setCanShowNextJump(false);
if ($start > 1) {
$this->setCanShowPreviousJump(true);
if ($start - 1 > $this->getJump() * 2) {
$jump = $start - $this->getJump();
} else {
$jump = ceil(($start - 1) / 2);
}
$this->setPreviousJump($nodes[$jump]);
}
if ($count - 1 > $end) {
$this->setCanShowNextJump(true);
$difference = $count - $end - 1;
if ($difference < $this->getJump() * 2) {
$jump = $end + ceil($difference / 2) - 1;
} else {
$jump = $end + $this->getJump() - 1;
}
$this->setNextJump($nodes[$jump]);
}
$this->setRangeStart($start);
$this->setRangeEnd($end);
$this->setData('_nodes', $nodes);
}
return $this->_getData('_nodes');
}
