#include "vtkKWMainCallback.h"
#include <vtkObjectFactory.h>

#include <vtkKWApplication.h>

#include <vtkDataManager.h>
#include <vtkMetaDataSet.h>

#include <vtkKWMetaInfoWidget.h>
#include <vtkKWDialog.h>


vtkKWMainCallback::vtkKWMainCallback()
{
  this->Application = NULL;
}

vtkKWMainCallback::~vtkKWMainCallback()
{
  if (this->Application)
    this->Application->UnRegister (this);
}


void vtkKWMainCallback::SetApplication (vtkKWApplication* application)
{
  if (!application)
    return;
  if (this->Application)
  {
    if (application==this->Application)
      return;
    this->Application->UnRegister (this);
    this->Application = NULL;
  }

  this->Application = application;
  this->Application->Register(this);
}


void vtkKWMainCallback::Execute(vtkObject* caller, unsigned long event, void* callData)
{
  if (event == vtkDataManager::MetaDataSetPickEvent )
  {
    vtkMetaDataSet* metadataset = reinterpret_cast<vtkMetaDataSet*>( callData );
    if (metadataset)
    {
      if (this->Application)
      {
	vtkKWDialog* dialog = vtkKWDialog::New();
	dialog->SetApplication(this->Application);
	dialog->Create();
	dialog->SetDisplayPositionToDefault();
	dialog->SetPosition (100,100);
	dialog->SetTitle(metadataset->GetName());
	
	
	vtkKWMetaInfoWidget* infowidget = vtkKWMetaInfoWidget::New();
	infowidget->SetParent(dialog->GetFrame());
	infowidget->Create();
	
	infowidget->SetMetaDataSet(metadataset);
	
	this->Application->Script("pack %s -side top -anchor nw -expand y -padx 10 -pady 10", 
				     infowidget->GetWidgetName());
	

	dialog->Invoke();
	infowidget->Delete();
 	dialog->Delete();
      }
      
    }
    
  }
  
}