# Copyright 1999-2013 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

EAPI=3

PYTHON_DEPEND="python? 2:2.6"

inherit cmake-utils eutils flag-o-matic multilib python qt4-r2 toolchain-funcs versionator

MAIN_PV=$(get_major_version)
MAJOR_PV=$(get_version_component_range 1-2)
MY_P="ParaView-${PV}-Source"

DESCRIPTION="ParaView is a powerful scientific data visualization application"
HOMEPAGE="http://www.paraview.org"
SRC_URI="http://www.paraview.org/files/v${MAJOR_PV}/${MY_P}.tar.gz"
RESTRICT="mirror"

LICENSE="paraview GPL-2"
KEYWORDS="~x86 ~amd64"
SLOT="0"
IUSE="boost cg -coprocessing doc examples +gui mpi mysql gl2ps nvcontrol +plugins +python ffmpeg theora"

RDEPEND="
	~sci-libs/netcdf-4.1.3[cxx,hdf5]
	sci-libs/hdf5[mpi=]
	mpi? ( virtual/mpi[cxx,romio] )
	gui? (
		dev-qt/qtgui:4
		dev-qt/qt3support:4
		dev-qt/qtopengl:4
		|| ( >=dev-qt/qthelp-4.7.0:4[compat] <dev-qt/qthelp-4.7.0:4 )
		dev-qt/qtsql:4
		dev-qt/qtwebkit:4 )
	mysql? ( virtual/mysql )
	coprocessing? ( plugins? (
			dev-qt/qtgui:4
			dev-python/PyQt4 ) )
	python? (
		dev-python/sip
		gui? ( dev-python/PyQt4[opengl,webkit] )
		dev-python/numpy
		mpi? ( dev-python/mpi4py )
	)
	ffmpeg? ( virtual/ffmpeg )
	theora? ( media-libs/libtheora )
	gl2ps? ( x11-libs/gl2ps )
	dev-libs/libxml2:2
	dev-db/sqlite:3
	media-libs/libpng
	virtual/jpeg
	media-libs/tiff
	dev-libs/expat
	sys-libs/zlib
	media-libs/freetype
	>=app-admin/eselect-opengl-1.0.6-r1
	virtual/opengl
	sci-libs/netcdf
	x11-libs/libXmu"
DEPEND="${RDEPEND}
		doc? ( app-doc/doxygen )
		boost? ( >=dev-libs/boost-1.40.0[mpi?] )
		dev-libs/protobuf
		>=dev-util/cmake-2.6.4"

PVLIBDIR=$(get_libdir)/${PN}-${MAJOR_PV}
S=${WORKDIR}/${MY_P}

pkg_setup() {
	use python && python_set_active_version 2
}

src_prepare() {
	# gcc header fix
	epatch "${FILESDIR}"/${PN}-3.8.0-xdmf-cstring.patch
	# disable automatic byte compiling that act directly on the live system
	epatch "${FILESDIR}"/${PN}-3.8.0-xdmf-bc.patch
	# Do not install ffmpeg libraries if used
	epatch "${FILESDIR}"/${PN}-3.14.1-ffmpeg-noinstall.patch
	# patch from debian for some underlinking in xdmf
	epatch "${FILESDIR}"/${PN}-3.14.1-xdmf-linking.patch
	# upstream http://paraview.org/Bug/view.php?id=13222 and 
	# commit https://github.com/Kitware/ParaView/commit/559af72e540f418310b6425055348336a48ad557
	epatch "${FILESDIR}"/${PN}-3.14.1-python-exit.patch
	# disable internal mpi4py copy
	epatch "${FILESDIR}"/${PN}-3.14.1-mpi4py.patch
	# remove the internal copy of sqlite (vtksqlite)
	# http://patch-tracker.debian.org/patch/series/view/paraview/3.14.1-7/removesqlite.patch
	epatch "${FILESDIR}"/${PN}-3.14.1-removesqlite.patch
	# gcc 4.7 fix
	# http://patch-tracker.debian.org/patch/series/view/paraview/3.14.1-7/fix_FTBFS_gcc-4.7.patch
	epatch "${FILESDIR}"/${PN}-3.14.1-gcc-4.7.patch
	# adapted from debian patch need to be applied after paraview-3.14.1-removesqlite.patch
	epatch "${FILESDIR}"/${PN}-3.14.1-vtknetcd.patch

	# lib64 fixes
	sed -i "s:/usr/lib:${EPREFIX}/usr/$(get_libdir):g" \
		Utilities/Xdmf2/libsrc/CMakeLists.txt || die
	sed -i "s:\/lib\/python:\/$(get_libdir)\/python:g" \
		Utilities/Xdmf2/CMake/setup_install_paths.py || die

	# Install internal vtk binaries to PV_INSTALL_LIB_DIR as noted in the comment in the cmake file.
	# upstream doesn't even do what they say they do.
	sed -e 's:VTK_INSTALL_BIN_DIR \"/${PV_INSTALL_BIN_DIR}\":VTK_INSTALL_BIN_DIR \"/${PV_INSTALL_LIB_DIR}\":' \
		-i CMake/ParaViewCommon.cmake || die "failed to patch vtk install location"

	cd VTK
	epatch "${FILESDIR}"/vtk-5.6.0-cg-path.patch
	epatch "${FILESDIR}"/vtk-5.6.0-odbc.patch
	epatch "${FILESDIR}"/vtk-5.6.1-ffmpeg.patch
	epatch "${FILESDIR}"/vtk-5.6.1-libav-0.8.patch
	# debian patch for recent boost should work with 1.48 too
	epatch "${FILESDIR}"/vtk-boost1.49.patch
}

src_configure() {
	mycmakeargs=(
		-DPV_INSTALL_LIB_DIR="${PVLIBDIR}"
		-DCMAKE_INSTALL_PREFIX="${EPREFIX}"/usr
		-DPV_INSTALL_DOC_DIR="${EPREFIX}/usr/share/doc/${PF}"
		-DEXPAT_INCLUDE_DIR="${EPREFIX}"/usr/include
		-DEXPAT_LIBRARY="${EPREFIX}"/usr/$(get_libdir)/libexpat.so
		-DOPENGL_gl_LIBRARY="${EPREFIX}"/usr/$(get_libdir)/libGL.so
		-DOPENGL_glu_LIBRARY="${EPREFIX}"/usr/$(get_libdir)/libGLU.so
		-DCMAKE_SKIP_RPATH=YES
		-DVTK_USE_RPATH=OFF
		-DBUILD_SHARED_LIBS=ON
		-DVTK_USE_SYSTEM_FREETYPE=ON
		-DVTK_USE_SYSTEM_JPEG=ON
		-DVTK_USE_SYSTEM_PNG=ON
		-DVTK_USE_SYSTEM_TIFF=ON
		-DVTK_USE_SYSTEM_ZLIB=ON
		-DVTK_USE_SYSTEM_EXPAT=ON
		-DPARAVIEW_USE_SYSTEM_HDF5=ON
		-DVTK_USE_SYSTEM_HDF5=ON
		-DCMAKE_VERBOSE_MAKEFILE=ON
		-DCMAKE_COLOR_MAKEFILE=TRUE
		-DVTK_USE_SYSTEM_LIBXML2=ON
		-DVTK_USE_OFFSCREEN=TRUE
		-DCMAKE_USE_PTHREADS=ON
		-DVTK_USE_FFMPEG_ENCODER=OFF
		-DPARAVIEW_INSTALL_THIRD_PARTY_LIBRARIES=OFF
		-DPROTOC_LOCATION=$(which protoc))

	# use flag triggered options
	mycmakeargs+=(
		$(cmake-utils_use gui PARAVIEW_BUILD_QT_GUI)
		$(cmake-utils_use gui VTK_USE_QVTK)
		$(cmake-utils_use gui VTK_USE_QVTK_QTOPENGL)
		$(cmake-utils_use boost VTK_USE_BOOST)
		$(cmake-utils_use boost VTK_USE_TEXT_ANALYSIS)
		$(cmake-utils_use mpi PARAVIEW_USE_MPI)
		$(cmake-utils_use mpi PARAVIEW_USE_MPI_SSEND)
		$(cmake-utils_use python PARAVIEW_ENABLE_PYTHON)
		$(cmake-utils_use python VTK_WRAP_PYTHON_SIP)
		$(cmake-utils_use python XDMF_WRAP_PYTHON)
		$(cmake-utils_use doc BUILD_DOCUMENTATION)
		$(cmake-utils_use examples BUILD_EXAMPLES)
		$(cmake-utils_use cg VTK_USE_CG_SHADERS)
		$(cmake-utils_use nvcontrol VTK_USE_NVCONTROL)
		$(cmake-utils_use mysql XDMF_USE_MYSQL)
		$(cmake-utils_use mysql VTK_USE_MYSQL)
		$(cmake-utils_use gl2ps VTK_USE_GL2PS)
		$(cmake-utils_use gl2ps VTK_USE_SYSTEM_GL2PS)
		$(cmake-utils_use coprocessing PARAVIEW_ENABLE_COPROCESSING)
		$(cmake-utils_use ffmpeg VTK_USE_FFMPEG_ENCODER)
		$(cmake-utils_use theora VTK_USE_THEORA_ENCODER)
		$(cmake-utils_use theora VTK_USE_SYSTEM_OGGTHEORA))

	# testing, disabling vtk testing as vtkpython is tested and will fail.
	mycmakeargs+=(
		$(cmake-utils_use test BUILD_TESTING)
		$(cmake-utils_use test PARAVIEW_DISABLE_VTK_TESTING))

	if ( use gui ); then
		mycmakeargs+=(
			-DVTK_INSTALL_QT_DIR=/${PVLIBDIR}/plugins/designer
			-DVTK_QT_USE_WEBKIT=ON )
		if use python ; then
			# paraview cannot guess sip directory right probably because a path is not propagated properly
			mycmakeargs+=(
				-DSIP_PYQT_DIR="${EPREFIX}/usr/share/sip"
				-DSIP_INCLUDE_DIR="${EPREFIX}$(python_get_includedir)")
		fi
	fi

	# the rest of the plugins
	mycmakeargs+=(
		$(cmake-utils_use plugins PARAVIEW_INSTALL_DEVELOPMENT)
		$(cmake-utils_use plugins PARAVIEW_BUILD_PLUGIN_ClientChartView)
		$(cmake-utils_use plugins PARAVIEW_BUILD_PLUGIN_CosmoFilters)
		$(cmake-utils_use plugins PARAVIEW_BUILD_PLUGIN_H5PartReader)
		$(cmake-utils_use plugins PARAVIEW_BUILD_PLUGIN_Moments)
		$(cmake-utils_use plugins PARAVIEW_BUILD_PLUGIN_PointSprite)
		$(cmake-utils_use plugins PARAVIEW_BUILD_PLUGIN_Prism)
		$(cmake-utils_use plugins PARAVIEW_BUILD_PLUGIN_SLACTools)
		$(cmake-utils_use plugins PARAVIEW_BUILD_PLUGIN_AnalyzeNIfTIReaderWriter)
		$(cmake-utils_use plugins PARAVIEW_BUILD_PLUGIN_SurfaceLIC)
		$(cmake-utils_use plugins PARAVIEW_BUILD_PLUGIN_EyeDomeLighting)
		$(cmake-utils_use plugins PARAVIEW_BUILD_PLUGIN_ForceTime)
		$(cmake-utils_use plugins PARAVIEW_BUILD_PLUGIN_SierraPlotTools)
		$(cmake-utils_use plugins PARAVIEW_BUILD_PLUGIN_StreamingView)
		$(cmake-utils_use plugins PARAVIEW_BUILD_PLUGIN_VisTrailPlugin))

	if use python; then
		mycmakeargs+=(
			$(cmake-utils_use plugins PARAVIEW_BUILD_PLUGIN_pvblot))
	fi

	if use coprocessing; then
		mycmakeargs+=($(cmake-utils_use plugins PARAVIEW_BUILD_PLUGIN_CoProcessingScriptGenerator))
	fi

	cmake-utils_src_configure
}

src_compile() {
	cmake-utils_src_compile
}

src_install() {
	cmake-utils_src_install

	# set up the environment
	echo "LDPATH=${EPREFIX}/usr/${PVLIBDIR}" >> "${T}"/40${PN}
	echo "PYTHONPATH="${EPREFIX}"/usr/${PVLIBDIR}:/usr/${PVLIBDIR}/site-packages" >> "${T}"/40${PN}
	doenvd "${T}"/40${PN}

	# last but not least lets make a desktop entry
	newicon "${S}"/Applications/ParaView/pvIcon.png paraview.png \
		|| die "Failed to create paraview icon."
	make_desktop_entry paraview "Paraview" paraview \
		|| die "Failed to install Paraview desktop entry"

}

pkg_postinst() {
	# with Qt4.5 there seem to be issues reading data files
	# under certain locales. Setting LC_ALL=C should fix these.
	echo
	elog "If you experience data corruption during parsing of"
	elog "data files with paraview please try setting your"
	elog "locale to LC_ALL=C."
	elog "If you plan to use paraview component from an existing shell"
	elog "you should run env-update and . /etc/profile first"
	echo
}

pkg_postrm() {
	if use python ; then
		python_mod_cleanup "${EPREFIX}"/usr/$(get_libdir)/"${PN}-${MAJOR_PV}"/site-packages
	fi
}