# Copyright (C) 2012-2013  CEA/DEN, EDF R&D
#
# This library 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; either
# version 2.1 of the License.
#
# This library 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 General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
#
# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
#

SALOME_CONFIGURE_FILE(Doxyfile_med_user.in Doxyfile_med_user)
SALOME_CONFIGURE_FILE(static/header.html.in static/header.html)

FILE(TO_NATIVE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/medcouplingexamples.in" input)
FILE(TO_NATIVE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/BuildPyExamplesFromCPP.py" pythondocexamplesgenerator)
FILE(TO_NATIVE_PATH "${CMAKE_CURRENT_BINARY_DIR}" output)


# :TRICKY: For ease of maintenance, documentation for code examples is
# splitted in several files. We here splice to a single file before running
# Doxygen.

SET(EXAMPLE_FILES # files to concatenate: order is important!
  doxfiles/examples/medcouplingexamplesheader.doxy
  doxfiles/examples/medcouplingexamplesfields.doxy
  doxfiles/examples/medcouplingexamplesmeshes.doxy
  doxfiles/examples/medcouplingexamplesarrays.doxy
  doxfiles/examples/medcouplingexamplesother.doxy
  doxfiles/examples/medcouplingexamplesfooter.doxy
  )

# This function adds IN_FILE contents to the end of OUT_FILE
FUNCTION(concat IN_FILE OUT_FILE)
  FILE(READ ${IN_FILE} CONTENTS)
  FILE(APPEND ${OUT_FILE} ${CONTENTS})
ENDFUNCTION()

# Prepare a temporary file to "concat" to:
FILE(WRITE medcouplingexamples.in "")
# Call the "concat" function for each example file
FOREACH(EXAMPLE_FILE ${EXAMPLE_FILES})
  concat(${EXAMPLE_FILE} medcouplingexamples.in)
ENDFOREACH()
# Copy the temporary file to the final location
#CONFIGURE_FILE(medcouplingexamples.in ${CMAKE_CURRENT_BINARY_DIR}/medcouplingexamples.dox)
# Note: The reason for writing to a temporary is so the real target file only
# gets updated if its content has changed.


# Here is the "standard" procedure, as if ${input} was hand-written.
ADD_CUSTOM_TARGET(usr_docs ALL
  COMMAND ${PYTHON_EXECUTABLE} ${pythondocexamplesgenerator} ${input} ${output}
  COMMAND ${DOXYGEN_EXECUTABLE} Doxyfile_med_user
  VERBATIM
  WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
  )
  
INSTALL(CODE "EXECUTE_PROCESS(COMMAND \"${CMAKE_COMMAND}\" --build ${PROJECT_BINARY_DIR} --target usr_docs)")
INSTALL(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/doc_ref_user/html/ DESTINATION ${SALOME_INSTALL_DOC}/gui/MED)
INSTALL(FILES images/head.png DESTINATION ${SALOME_INSTALL_DOC}/gui/MED) 

SET_DIRECTORY_PROPERTIES(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES doc_ref_user)