#include <cpPlugins/QT/OpenFileDialog.h>

#ifdef cpPlugins_QT4

#include <cpPlugins/BaseObjects/Parameters.h>

// -------------------------------------------------------------------------
cpPlugins::QT::OpenFileDialog::
OpenFileDialog( QWidget* parent )
  : QFileDialog( parent ),
    m_Parameters( NULL ),
    m_Name( "" )
{
  this->connect(
    this, SIGNAL( accepted( ) ), this, SLOT( _dlg_Accepted( ) )
    );
  this->setWindowTitle( "Open an(some) file(s)" );
}

// -------------------------------------------------------------------------
cpPlugins::QT::OpenFileDialog::
~OpenFileDialog( )
{
}

// -------------------------------------------------------------------------
void cpPlugins::QT::OpenFileDialog::
SetParameters(
  cpPlugins::BaseObjects::Parameters* params, const std::string& name
  )
{
  if( params == NULL )
  {
    this->m_Parameters = NULL;
    this->m_Name = "";
    return;

  } // fi
  auto param_type = params->GetType( name );
  if(
    param_type != cpPlugins::BaseObjects::Parameters::OpenFileName &&
    param_type != cpPlugins::BaseObjects::Parameters::OpenFileNameList
    )
  {
    this->m_Parameters = NULL;
    this->m_Name = "";
    return;

  } // fi
  this->m_Parameters = params;
  this->m_Name = name;

  QStringList filters;
  auto extensions = this->m_Parameters->GetAcceptedFileExtensions( name );
  if( extensions != "" )
    filters << extensions.c_str( );
  filters << "Any file (*)";
  if( param_type == cpPlugins::BaseObjects::Parameters::OpenFileName )
    this->setFileMode( QFileDialog::ExistingFile );
  else
    this->setFileMode( QFileDialog::ExistingFiles );
  this->setNameFilters( filters );
  this->setAcceptMode( QFileDialog::AcceptOpen );
  if( param_type == cpPlugins::BaseObjects::Parameters::OpenFileName )
  {
    auto file = this->m_Parameters->GetOpenFileName( this->m_Name );
    if( file == "" )
      file = ".";
    QFileInfo info( file.c_str( ) );
    this->setDirectory( info.canonicalPath( ) );
  }
  else
  {
    auto files = this->m_Parameters->GetOpenFileNameList( this->m_Name );
    if( files.size( ) > 0 )
    {
      QFileInfo info( files[ 0 ].c_str( ) );
      this->setDirectory( info.canonicalPath( ) );
    }
    else
      this->setDirectory( "." );

  } // fi
}

// -------------------------------------------------------------------------
void cpPlugins::QT::OpenFileDialog::
_dlg_Accepted( )
{
  if( this->m_Parameters != NULL )
  {
    auto files = this->selectedFiles( );
    auto param_type = this->m_Parameters->GetType( this->m_Name );
    if( param_type == cpPlugins::BaseObjects::Parameters::OpenFileNameList )
    {
      this->m_Parameters->ClearOpenFileNameList( this->m_Name );
      for( auto fIt = files.begin( ); fIt != files.end( ); ++fIt )
        this->m_Parameters->AddToOpenFileNameList(
          this->m_Name, fIt->toStdString( )
          );
    }
    else
      this->m_Parameters->SetOpenFileName(
        this->m_Name, files[ 0 ].toStdString( )
        );

  } // fi
}

#endif // cpPlugins_QT4

// eof - $RCSfile$