PROJECT(doc)

CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/intro.but.in ${CMAKE_CURRENT_BINARY_DIR}/intro.but)
CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/clean-html.cmake.in ${CMAKE_CURRENT_BINARY_DIR}/clean-html.cmake @ONLY)
CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/hhc.cmake.in ${CMAKE_CURRENT_BINARY_DIR}/hhc.cmake @ONLY)

FILE(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/html)

GET_TARGET_PROPERTY(HALIBUT_COMMAND halibut LOCATION)

SET(HALIBUT_SOURCES
	${CMAKE_CURRENT_BINARY_DIR}/intro.but
	${CMAKE_CURRENT_SOURCE_DIR}/addm.but
	${CMAKE_CURRENT_SOURCE_DIR}/changem.but
	${CMAKE_CURRENT_SOURCE_DIR}/drawm.but
	${CMAKE_CURRENT_SOURCE_DIR}/editm.but 
	${CMAKE_CURRENT_SOURCE_DIR}/filem.but
	${CMAKE_CURRENT_SOURCE_DIR}/helpm.but
	${CMAKE_CURRENT_SOURCE_DIR}/hotbar.but
	${CMAKE_CURRENT_SOURCE_DIR}/macrom.but
	${CMAKE_CURRENT_SOURCE_DIR}/managem.but
	${CMAKE_CURRENT_SOURCE_DIR}/optionm.but
	${CMAKE_CURRENT_SOURCE_DIR}/statusbar.but
	${CMAKE_CURRENT_SOURCE_DIR}/view_winm.but
	${CMAKE_CURRENT_SOURCE_DIR}/navigation.but
	${CMAKE_CURRENT_SOURCE_DIR}/appendix.but
	${help_BINARY_DIR}/messages.but
	${CMAKE_CURRENT_SOURCE_DIR}/upgrade.but
	${CMAKE_CURRENT_SOURCE_DIR}/warranty.but
	)

# Add a custom command for cleaning the HTML staging directory
ADD_CUSTOM_TARGET(clean-html
	WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/html
	COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/clean-html.cmake
	)

# If we're using the GTK back-end, just generate "vanilla" HTML help files for use with gtkhtml
IF(XTRKCAD_USE_GTK)

	IF (APPLE) 
	   SET(HALIBUT_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/osxconf.but ${HALIBUT_SOURCES})
	ELSE(APPLE)
	   SET(HALIBUT_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/linconf.but ${HALIBUT_SOURCES})
	ENDIF(APPLE)

	ADD_CUSTOM_COMMAND(
		OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/html/index.html
		DEPENDS halibut ${HALIBUT_SOURCES}
		WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/html
		COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/clean-html.cmake
		COMMAND ${HALIBUT_COMMAND} ${HALIBUT_SOURCES}
		)

	ADD_CUSTOM_TARGET(help-html ALL DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/html/index.html)

	INSTALL(
		DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/html
		DESTINATION ${XTRKCAD_SHARE_INSTALL_DIR}
		)

	INSTALL(
		DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/png.d
		DESTINATION ${XTRKCAD_SHARE_INSTALL_DIR}/html
		)

	INSTALL(
		FILES xtrkcad_lin.css
		DESTINATION ${XTRKCAD_SHARE_INSTALL_DIR}/html
        )
# Copy the help files to the Help bundle if Apple
	IF (APPLE)
        ADD_CUSTOM_COMMAND(
        OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/html/XTrackCAD.helpindex
        DEPENDS help-html ${HALIBUT_SOURCES}
        WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/html
        COMMAND hiutil -Cf XTrackCAD.helpindex -gva -e "IndexPage.html" -e "toc.html" ${CMAKE_CURRENT_BINARY_DIR}/html
        )

        ADD_CUSTOM_TARGET(help-index ALL DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/html/XTrackCAD.helpindex)

        INSTALL(
            DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/html/
            DESTINATION ${XTRKCAD_SHARE_INSTALL_DIR}/XTrackCAD.help/Contents/Resources/en.lproj
        )
        INSTALL(
            DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/png.d
            DESTINATION ${XTRKCAD_SHARE_INSTALL_DIR}/XTrackCAD.help/Contents/Resources/en.lproj
        )
	    INSTALL(
	        FILES xtrkcad_osx.css
		    DESTINATION ${XTRKCAD_SHARE_INSTALL_DIR}/XTrackCAD.help/Contents/Resources/en.lproj/sty
	)
    ENDIF(APPLE)

# Otherwise, we're using the Win32 back-end, so generate a compiled HTML help file
ELSE(XTRKCAD_USE_GTK)

	SET(HALIBUT_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/chmconf.but ${HALIBUT_SOURCES})
	FILE(GLOB IMAGE_SOURCES png.d/*)

	ADD_CUSTOM_COMMAND(
		OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/html/xtrkcad.chm
		DEPENDS halibut ${HALIBUT_SOURCES} ${IMAGE_SOURCES} ${CMAKE_CURRENT_SOURCE_DIR}/xtrkcad_win.css
		WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/html
		COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/clean-html.cmake
		COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_CURRENT_SOURCE_DIR}/png.d ${CMAKE_CURRENT_BINARY_DIR}/html/png.d
		COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/xtrkcad_win.css ${CMAKE_CURRENT_BINARY_DIR}/html
		COMMAND ${HALIBUT_COMMAND} ${HALIBUT_SOURCES}
		COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/hhc.cmake
		)

	ADD_CUSTOM_TARGET(help-chm ALL DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/html/xtrkcad.chm)

	INSTALL(
		FILES ${CMAKE_CURRENT_BINARY_DIR}/html/xtrkcad.chm
        DESTINATION ${XTRKCAD_SHARE_INSTALL_DIR}
		)

ENDIF(XTRKCAD_USE_GTK)