#include "wxMaracasMultipleVolumeRendererPanel.h"

#include <wx/colordlg.h>
#include "wxMaracasMultipleVolumeRendererView.h"
#include "Color.xpm"
/**
**	Implementation of viewProp3D
**/

wxMaracasMultipleVolumeRendererPanel::wxMaracasMultipleVolumeRendererPanel(wxWindow* parent,int propid, vtkImageData* img)
: wxPanel(parent, -1, wxDefaultPosition, wxDefaultSize)
{
	_propid = propid;
	
	createControls(img);
}

wxMaracasMultipleVolumeRendererPanel::~wxMaracasMultipleVolumeRendererPanel(){	
	//wxMaracasIRMView::getInstance()->addRemoveActor(_propid, false);
	wxMaracasMultipleVolumeRendererView::getInstance()->deleteVolume(_propid);
}

void wxMaracasMultipleVolumeRendererPanel::createControls(vtkImageData* img){

	wxFlexGridSizer* sizerirmprop = new wxFlexGridSizer(1,1,1);
	
	wxString choices[2];
	choices[0] = wxString(_T("On"));
	choices[1] = wxString(_T("Off"));
	checkbox = new  wxCheckBox(this,-1,wxString(_T("Show Actor")));
	Connect(checkbox->GetId(), wxEVT_COMMAND_CHECKBOX_CLICKED, (wxObjectEventFunction)&wxMaracasMultipleVolumeRendererPanel::onCheckBoxChange);	
	checkbox->SetValue(true);	

	sizerirmprop->Add(checkbox,wxFIXED_MINSIZE);

	//this->addControl(checkbox);	
	
	wxBitmap bitmap(Color_xpm);
	_colorchoose = new wxBitmapButton(this, -1, bitmap,wxDefaultPosition,wxSize(30,30));	
	Connect(_colorchoose->GetId(), wxEVT_COMMAND_BUTTON_CLICKED, (wxObjectEventFunction)&wxMaracasMultipleVolumeRendererPanel::onColorChange);			
	sizerirmprop->Add(_colorchoose,wxFIXED_MINSIZE);	

	
	this->SetSizer(sizerirmprop, true);		
	this->SetAutoLayout( true );

    

	_frame = new wxFrame(this, 10, _T("Configure Transfer Functions"));	

	wxButton* button1 = new wxButton(_frame,20,_T("OK"));
	Connect(button1->GetId(), wxEVT_COMMAND_BUTTON_CLICKED, (wxObjectEventFunction)&wxMaracasMultipleVolumeRendererPanel::onOK);				
	wxButton* button2 = new wxButton(_frame,30,_T("Cancel") );
	Connect(button2->GetId(), wxEVT_COMMAND_BUTTON_CLICKED, (wxObjectEventFunction)&wxMaracasMultipleVolumeRendererPanel::onCancel);				
	wxButton* button3 = new wxButton(_frame,40,_T("Update"));
	Connect(button3->GetId(), wxEVT_COMMAND_BUTTON_CLICKED, (wxObjectEventFunction)&wxMaracasMultipleVolumeRendererPanel::onUpdate);				


	mwxwidget = new HistogramWidget(_frame, -1);

	mwxwidget->initializeHistogram(img);
	mwxwidget->Refresh();

	wxBoxSizer* boxSizer0 = new wxBoxSizer(wxHORIZONTAL);
	boxSizer0->Add(mwxwidget, 4, wxGROW);

	wxBoxSizer* boxSizer = new wxBoxSizer(wxHORIZONTAL);
	boxSizer->AddSpacer(40);
	boxSizer->Add(button1, wxCENTER);
	boxSizer->AddSpacer(40);
	boxSizer->Add(button2, wxCENTER);
	boxSizer->AddSpacer(40);
	boxSizer->Add(button3, wxCENTER);

	wxBoxSizer* boxsizer2 = new wxBoxSizer(wxVERTICAL);
	boxsizer2->Add(boxSizer0,1,wxEXPAND);	
	boxsizer2->Add(boxSizer,0,wxCENTER);	
    
	_frame->SetAutoLayout(true);


    _frame->SetSizer(boxsizer2);

	_frame->Refresh();
	_frame->Update();
	
}
void wxMaracasMultipleVolumeRendererPanel::onOK(wxCommandEvent& event){
    updateVolume();
	_frame->Show(false);
}
void wxMaracasMultipleVolumeRendererPanel::onCancel(wxCommandEvent& event){
	_frame->Show(false);
}
void wxMaracasMultipleVolumeRendererPanel::onUpdate(wxCommandEvent& event){
	updateVolume();    
}
void wxMaracasMultipleVolumeRendererPanel::updateVolume(){
	std::vector<double> greylevelcolors;
	std::vector<double> red;
	std::vector<double> green;
	std::vector<double> blue;

	std::vector<double> greylevel;
	std::vector<double> values;

    mwxwidget->GetValuesColorPointsFunction(greylevelcolors, red, green, blue);
	mwxwidget->GetValuesPointsFunction(greylevel, values);


	wxMaracasMultipleVolumeRendererView::getInstance()->SetValuesColorPointsFunction(this->_propid, greylevelcolors, red, green, blue);
	wxMaracasMultipleVolumeRendererView::getInstance()->SetValuesPointsFunction(this->_propid, greylevel, values);

}
void wxMaracasMultipleVolumeRendererPanel::onColorChange(wxCommandEvent& event){
    _frame->Show(true);    
}
void wxMaracasMultipleVolumeRendererPanel::onCheckBoxChange(wxCommandEvent& event){	
	wxMaracasMultipleVolumeRendererView::getInstance()->addRemoveActor(this->getPropId(), checkbox->GetValue());	
}

int wxMaracasMultipleVolumeRendererPanel::getPropId(){
	return _propid;
}