/**
* Constructor
* @param SimpleGraph $oGraph The graph to browse
* @param string $sType "Node", "Edge" or null
*/
public function __construct(SimpleGraph $oGraph, $sType = null)
{
$this->iCurrentIdx = -1;
$this->aList = array();
switch ($sType) {
case 'Node':
foreach ($oGraph->_GetNodes() as $oNode) {
$this->aList[] = $oNode;
}
break;
case 'Edge':
foreach ($oGraph->_GetEdges() as $oEdge) {
$this->aList[] = $oEdge;
}
break;
default:
foreach ($oGraph->_GetNodes() as $oNode) {
$this->aList[] = $oNode;
}
foreach ($oGraph->_GetEdges() as $oEdge) {
$this->aList[] = $oEdge;
}
}
}
