cmake_minimum_required(VERSION 3.3 FATAL_ERROR)

project(Infovis)

find_package(VTK REQUIRED)
# List of VTK_Modules required from VTK
# for all examples in this directory and its subdirectories to work.
set(VTK_Modules
  vtkCommonCore
  vtkFiltersSources
  vtkIOInfovis
  vtkIOSQL
  vtkInfovisLayout
  vtkInteractionStyle
  vtkRenderingLabel
  vtkViewsInfovis
)
if(TARGET vtkGUISupportQt AND
   TARGET vtkViewsQt)
  set(VTK_Modules ${VTK_Modules}
    vtkGUISupportQt
    vtkViewsQt
  )
endif()

vtk_module_config(VTK
  ${VTK_Modules}
)
include(${VTK_USE_FILE})

add_executable(TreeLayout TreeLayout.cxx)
target_link_libraries(TreeLayout ${VTK_LIBRARIES})

if(vtkViewsInfovis_LOADED)
  add_executable(HelloWorld HelloWorld.cxx)
  target_link_libraries(HelloWorld ${VTK_LIBRARIES})

  add_executable(Theme Theme.cxx)
  target_link_libraries(Theme ${VTK_LIBRARIES})

  add_executable(CreateTree CreateTree.cxx)
  target_link_libraries(CreateTree ${VTK_LIBRARIES})

  add_executable(MultiView MultiView.cxx)
  target_link_LIBRARIES(MultiView ${VTK_LIBRARIES})
endif()

# If Qt is enabled include the QT based examples
if(vtkGUISupportQt_LOADED AND vtkViewsQt_LOADED)
  if(VTK_QT_VERSION VERSION_GREATER "4")
    add_subdirectory(EasyView)
    add_subdirectory(CustomLinkView)
  endif()
  if(vtkIOSQL_LOADED)
    add_subdirectory(StatsView)
  endif()
endif()