datahandler.cpp

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#include "dbe/datahandler.hpp"
#include  "dbe/treenode.hpp"
#include "dbe/dbcontroller.hpp"
#include "dbe/Conversion.hpp"
 
dbe::datahandler::datahandler()
  : root ( nullptr )
{
}
 
dbe::datahandler::~datahandler()
{
  delete root;
}
 
void dbe::datahandler::ResetData()
{
  delete root;
  root = nullptr;
}
 
void dbe::datahandler::FetchMore ( const treenode * ClassNode )
{
  emit FetchMoreData ( ClassNode );
}
 
dbe::treenode * dbe::datahandler::getnode ( std::string const & ClassName ) const
{
  return getnode ( QString::fromStdString ( ClassName ) );
}
 
dbe::treenode * dbe::datahandler::getnode ( const QString & ClassName ) const
{
  int current = 0;
  int const number_of_childs = root->ChildCount();
 
  for ( ;
        current != number_of_childs and root->GetChild ( current )->GetData ( 0 ).toString()
        != ClassName; ++current )
    ;
 
  return current == number_of_childs ? nullptr : root->GetChild ( current );
}
 
dbe::treenode * dbe::datahandler::getnode ( const std::string & ClassName,
                                            const std::string & ObjectName ) const
{
  return getnode ( QString::fromStdString ( ClassName ),
                   QString::fromStdString ( ObjectName ) );
}
 
dbe::treenode * dbe::datahandler::getnode ( const QString & ClassName,
                                            const QString & ObjectName ) const
{
  if ( dbe::treenode * classnode = getnode ( ClassName ) )
  {
    int current = 0;
    int const number_of_objects = classnode->ChildCount();
 
    for ( ;
          current < number_of_objects and classnode->GetChild ( current )->GetData ( 0 ).toString()
          != ObjectName; ++current )
      ;
 
    return current == number_of_objects ? nullptr : classnode->GetChild ( current );
  }
 
  return nullptr;
}
 
dbe::treenode * dbe::datahandler::getnode() const
{
  return root;
}
 
dbe::treenode * dbe::datahandler::findchild ( dbe::treenode * const top,
                                              QString const & name )
{
  QList<dbe::treenode *> childs = top->GetChildren();
 
  for ( dbe::treenode * child : childs )
  {
    if ( QString::fromStdString ( child->GetObject().UID() ) == name )
    {
      return child;
    }
  }
 
  return nullptr;
}