/*
 * This file is part of Ginkgo CADx
 *
 * Copyright (c) 2015-2016 Gert Wollny
 * Copyright (c) 2008-2014 MetaEmotion S.L. All rights reserved.
 *
 * Ginkgo CADx is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; version 3.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser Public License
 * along with Ginkgo CADx; if not, see <http://www.gnu.org/licenses/>.
 *
 */

#include "colormaptool.h"
#include <main/gui/toolsystem/wxmenuitemtool.h>
#include <resources/ginkgoresourcesmanager.h>
#include <export/contracts/iwidgetscontract.h>
#include <api/controllers/ieventscontroller.h>
#include <eventos/render.h>
#include <api/iwidgetsmanager.h>

#ifdef __DEPRECATED
#undef __DEPRECATED
#endif
#include <vtkVISUManagement/vtkLookupTableManager.h>
#include <vtk/vtkginkgoimageviewer.h>

#define INVERTIR_COLORES  4100
#define MENU_MAPAS_COLOR  4101

namespace GNC
{
namespace GUI
{
class wxEventHandlerColorMap : public wxEvtHandler
{
public:
        wxEventHandlerColorMap(wxEvtHandler* pParent, GNC::ColorMapTool* pHerramienta):wxEvtHandler()
        {
                m_pEvtParent = pParent;
                m_pHerramienta=pHerramienta;

                m_pEvtParent->Connect(m_pHerramienta->ID, wxEVT_UPDATE_UI, wxUpdateUIEventHandler(wxEventHandlerColorMap::OnUpdateColorMapUI),NULL,this);
                m_pEvtParent->Connect(INVERTIR_COLORES, wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler( wxEventHandlerColorMap::OnInvertColorMapClick),NULL,this);
                m_pEvtParent->Connect(INVERTIR_COLORES, wxEVT_UPDATE_UI, wxUpdateUIEventHandler(wxEventHandlerColorMap::OnUpdateColorMapUI),NULL,this);
        }

        ~wxEventHandlerColorMap()
        {
                m_pEvtParent->Disconnect(wxID_ANY, wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler( wxEventHandlerColorMap::OnSeleccionarMapa ),NULL,this);
                m_pEvtParent->Disconnect(wxID_ANY, wxEVT_UPDATE_UI, wxUpdateUIEventHandler( wxEventHandlerColorMap::OnUpdateMenuMapaColorUI ),NULL,this);

                m_pEvtParent->Disconnect(m_pHerramienta->ID, wxEVT_UPDATE_UI, wxUpdateUIEventHandler(wxEventHandlerColorMap::OnUpdateColorMapUI),NULL,this);
                m_pEvtParent->Disconnect(INVERTIR_COLORES, wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler( wxEventHandlerColorMap::OnInvertColorMapClick),NULL,this);
                m_pEvtParent->Disconnect(INVERTIR_COLORES, wxEVT_UPDATE_UI, wxUpdateUIEventHandler(wxEventHandlerColorMap::OnUpdateColorMapUI),NULL,this);
                m_pEvtParent = NULL;
                m_pHerramienta = NULL;
        }

        void OnSeleccionarMapa( wxCommandEvent& event )
        {
                int idMapa = event.GetId() - MENU_MAPAS_COLOR;
                m_pHerramienta->SeleccionarMapa(idMapa);
                event.Skip(false);
        }


        void OnUpdateMenuMapaColorUI(wxUpdateUIEvent& event)
        {
                if ((event.GetId() - MENU_MAPAS_COLOR) >= 0)  {
                        int idMapaSeleccionado = m_pHerramienta->GetIdLookupTable();
                        event.Check(event.GetId()-MENU_MAPAS_COLOR == idMapaSeleccionado);
                }
        }


        void OnInvertColorMapClick( wxCommandEvent& event )
        {
                m_pHerramienta->InvertColorMap();
                event.Skip(false);
        }

        void OnUpdateColorMapUI(wxUpdateUIEvent& event)
        {
                event.Enable(m_pHerramienta->SoportaMapas());
        }

        GNC::ColorMapTool* m_pHerramienta;
        wxEvtHandler* m_pEvtParent;
};
}
}



GNC::GCS::ITool* GNC::ColorMapTool::NewTool()
{
        return new GNC::ColorMapTool();
}

GNC::ColorMapTool::ColorMapTool()
{
}
GNC::ColorMapTool::~ColorMapTool()
{
}

bool GNC::ColorMapTool::HasDropDownMenu()
{
        return true;
}

void GNC::ColorMapTool::AppendDropDownMenu(wxEvtHandler* pParent, wxMenu* pMenu)
{
        std::list<std::string> choices = vtkLookupTableManager::GetAvailableLookupTables();
        pMenu->Append(new GNC::GUI::wxMenuItemTool(pMenu, INVERTIR_COLORES,_("Invert color map"), GinkgoResourcesManager::ToolIcons::GetIcoInvert(), new GNC::GUI::wxEventHandlerColorMap( pParent, this)));
        pMenu->AppendSeparator();
        int idMapa = MENU_MAPAS_COLOR;
        wxBitmap icon;
        for(std::list<std::string>::iterator it = choices.begin(); it!= choices.end(); ++it,idMapa++) {
                GNC::GUI::wxMenuItemTool* pItem =  new GNC::GUI::wxMenuItemTool(pMenu, idMapa,wxString::FromUTF8((*it).c_str()), icon, new GNC::GUI::wxEventHandlerColorMap(pParent, this), wxITEM_CHECK);
                pParent->Connect(pItem->GetId(), wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler( GNC::GUI::wxEventHandlerColorMap::OnSeleccionarMapa ),NULL,pItem->m_pHandler);
                pParent->Connect(pItem->GetId(), wxEVT_UPDATE_UI, wxUpdateUIEventHandler(GNC::GUI::wxEventHandlerColorMap::OnUpdateMenuMapaColorUI),NULL,pItem->m_pHandler);
                pMenu->Append(pItem);
        }
}

bool GNC::ColorMapTool::ExecuteAction()
{
        return false;
}


void GNC::ColorMapTool::AppendToolIn(wxEvtHandler* pParent, wxMenu* pMenu)
{
        if (AppendsInMenu()) {
                wxMenu* pLayoutMenu = new wxMenu();
                AppendDropDownMenu(pParent, pLayoutMenu);
                pMenu->Append(ID,wxString::FromUTF8(Name.c_str()),pLayoutMenu);
                pMenu->Enable(ID,Enabled);
        }
}


bool GNC::ColorMapTool::SoportaMapas()
{
        if (WidgetsContract->Inicializado()) {
                GNC::GCS::IWidgetsContract::TViewerList listViewers;
                WidgetsContract->GetAllViewers(listViewers);
                bool soporta =true;
                for (GNC::GCS::IWidgetsContract::TViewerList::iterator it = listViewers.begin(); it != listViewers.end(); ++it) {
                        soporta = ( soporta && ((*it)->GetNumberOfComponents()==1));
                }
                return soporta;
        } else {
                return false;
        }
}

void GNC::ColorMapTool::SeleccionarMapa(int idMapa)
{
        if (WidgetsContract->Inicializado()) {
                if(idMapa>=0 && idMapa<(int)vtkLookupTableManager::GetAvailableLookupTables().size()) {
                        vtkLookupTable* vtkTabla = vtkLookupTableManager::GetLookupTable(idMapa);
                        if(vtkTabla != NULL) {
                                GNC::GCS::IWidgetsContract::TViewerList listViewers;
                                WidgetsContract->GetAllViewers(listViewers);

                                for (GNC::GCS::IWidgetsContract::TViewerList::iterator it = listViewers.begin(); it != listViewers.end(); ++it) {
                                        (*it)->SetLookupTable(vtkTabla, idMapa);
                                }
                                GNC::GCS::IEventsController::Instance()->ProcesarEvento(new GNC::GCS::Events::EventoRender(WidgetsContract->GetManager()->GetVista()));
                        }
                }
        }
}

int GNC::ColorMapTool::GetIdLookupTable()
{
        if (!SoportaMapas())
                return -1;
        int idMapa = -1;
        if (WidgetsContract->Inicializado()) {
                idMapa = WidgetsContract->GetViewerActivo()->GetIdLookupTable();
        }
        return idMapa;
}

void GNC::ColorMapTool::InvertColorMap()
{
        int idMapa = GetIdLookupTable();

        if (idMapa == vtkLookupTableManager::LUT_LINEAR) {
                idMapa = vtkLookupTableManager::LUT_LINEAR_INV;
        } else if (idMapa == vtkLookupTableManager::LUT_LINEAR_INV) {
                idMapa = vtkLookupTableManager::LUT_LINEAR;
        }
        SeleccionarMapa(idMapa);
}

