#ifdef _USE_WXWIDGETS_

#include "bbtkWxBrowser.h"
#include "bbtkWxBlackBox.h"


namespace bbtk
{  


  void WxHtmlWindow::OnLinkClicked(const wxHtmlLinkInfo& e)
  {
    //    std::cout  << "WxHtmlWindow::OnLink"<<std::endl;
    //    std::cout  << e.GetHref()<<std::endl;
    LoadPage(e.GetHref());
    if ( ! GetOpenedAnchor().IsEmpty() )
      { 
	//	std::cout << "#" << GetOpenedAnchor() << std::endl;
	LoadPage(_T("#"+GetOpenedAnchor()));
      }
    mBrowser->UpdateURL();


  }


  enum 
    {
      bwd_id,
      fwd_id,
      url_id,
      html_id
    };

  
  BEGIN_EVENT_TABLE(WxBrowser, wxPanel)
    EVT_BUTTON(bwd_id, WxBrowser::OnBackButton )
    EVT_BUTTON(fwd_id, WxBrowser::OnForwardButton )
    EVT_TEXT_ENTER(url_id, WxBrowser::OnURLEnter )
     EVT_HTML_LINK_CLICKED(html_id, WxBrowser::OnLinkClicked)
  END_EVENT_TABLE()
    
    WxBrowser::WxBrowser ( wxWindow *parent, wxSize size )
      : 
    wxPanel ( parent, -1, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL)

  {
    wxPanel* panel = this;

    wxBoxSizer *sizer = new wxBoxSizer(wxVERTICAL);
    

    wxBoxSizer *bsizer = new wxBoxSizer(wxHORIZONTAL);
    
    sizer->Add ( bsizer, 0, wxGROW );
    
    
    mwxBackButton = new wxButton( panel, bwd_id,_T("<"),wxDefaultPosition,
				  wxDefaultSize,wxBU_EXACTFIT);
    bsizer->Add ( mwxBackButton, 0, wxALIGN_CENTRE | 
		  wxLEFT | wxTOP | wxBOTTOM , 10 );

    mwxForwardButton = new wxButton( panel, fwd_id,_T(">"),wxDefaultPosition,
				     wxDefaultSize,wxBU_EXACTFIT);
    bsizer->Add ( mwxForwardButton, 0, wxALIGN_CENTRE | 
		  wxTOP | wxBOTTOM , 10);

  
    mwxURL = new wxTextCtrl(panel,url_id,_T(""),
			    wxDefaultPosition,
			    wxDefaultSize,
			    wxTE_PROCESS_ENTER);
    mwxURL->SetLabel(_T("URL"));
    bsizer->Add(mwxURL, 1, wxGROW | wxALL, 10);


    mwxHtmlWindow = new WxHtmlWindow(parent,html_id,this,size);

    /*

-1, 
				     wxDefaultPosition, 
				     size,
				     wxHW_SCROLLBAR_AUTO, 
				     "bbtk::WxBrowser");
    */
    mwxHtmlWindow->SetBorders(5);
    //  mwxHtmlWindow->FitInside();
    wxStaticBoxSizer* hw = 
      new wxStaticBoxSizer( new wxStaticBox( this, -1, _T(""),
					     wxDefaultPosition, 
					     size ),
			    wxVERTICAL );
    hw->Add ( mwxHtmlWindow, 1, wxGROW  );
    //sizer->Add ( mwxHtmlWindow, 1, wxGROW  );

    sizer->Add ( hw, 1, wxGROW ); // | wxLEFT | wxRIGHT | wxBOTTOM, 10 );
    
 

    panel	-> SetSizer(sizer);
    panel	-> SetAutoLayout(true);
    panel	-> Layout();

    /*
    Connect( mwxBackButton->GetId(), 
	     wxEVT_COMMAND_BUTTON_CLICKED , 
	     (wxObjectEventFunction) 
	     (void (wxPanel::*)(wxEvent&))
	     &WxBrowser::OnBackButton ); 
    Connect( mwxForwardButton->GetId(), 
	     wxEVT_COMMAND_BUTTON_CLICKED , 
	     (wxObjectEventFunction) 
	     (void (wxPanel::*)(wxEvent&))
	     &WxBrowser::OnForwardButton ); 
    
    std::cout << "e="<<wxEVT_COMMAND_HTML_LINK_CLICKED<<std::endl;

    Connect( wxID_ANY, //mwxHtmlWindow->GetId(), 
	     wxEVT_COMMAND_HTML_LINK_CLICKED , 
	     wxHtmlLinkEventHandler( 
				    //(wxObjectEventFunction) 
				    //	     (void (wxPanel::*)(wxEvent&))&
				    WxBrowser::OnLinkClicked ) ); 
    Connect( mwxHtmlWindow->GetId(), 
	     wxEVT_COMMAND_HTML_CELL_HOVER,
	     //(wxObjectEventFunction) 
	     wxHtmlCellEventHandler(
							    //	     (void (wxPanel::*)(wxHtmlCellEvent&))&
				    WxBrowser::OnCell ) ); 
    */
  }

 
  bool WxBrowser::GoTo(std::string& file)
  { 
    //  std::cout << "goto"<<std::endl;
    bool r = mwxHtmlWindow->LoadPage(std2wx(file));
    UpdateURL();
    return r;
  }
  
  void WxBrowser::OnBackButton(wxCommandEvent& )
  {
    //    std::cout << "back"<<std::endl;
    mwxHtmlWindow->HistoryBack();
    UpdateURL();
  }
  
  void WxBrowser::OnForwardButton(wxCommandEvent& )
  {
    //    std::cout << "forward"<<std::endl;
    mwxHtmlWindow->HistoryForward();
    UpdateURL();
  }

  void WxBrowser::OnURLEnter( wxCommandEvent&)
  { 
    //std::cout  << "OnURL"<<std::endl;
    mwxHtmlWindow->LoadPage(mwxURL->GetValue());
  }

  
  void WxBrowser::OnLinkClicked(wxHtmlLinkEvent& e)
  {
    std::cout  << "WxBrowser::OnLinkClicked"<<std::endl;
    std::cout  << e.GetLinkInfo().GetHref()<<std::endl;
    mwxHtmlWindow->LoadPage(e.GetLinkInfo().GetHref());
	UpdateURL();
  }
  /*
  void WxBrowser::OnCell(wxHtmlCellEvent& )
  {
    std::cout  << "OnCell"<<std::endl;
  }
  */
  void WxBrowser::UpdateURL()
  {

    wxString s = mwxHtmlWindow->GetOpenedPage();
    if (!mwxHtmlWindow->GetOpenedAnchor().IsEmpty())
    {
	    s += _T("#") + mwxHtmlWindow->GetOpenedAnchor();
    }
    mwxURL->Clear();
    mwxURL->AppendText(s);
  }
  void WxBrowser::SetSize( wxSize s)
  {
    //    wxPanel::SetSize(s);
    mwxHtmlWindow->SetSize(s);
    Fit();
  }

}

#endif