ifeq ($(origin MORPHEO_TOPLEVEL), undefined)
        $(error "variable MORPHEO_TOPLEVEL is undefined");
else
        include $(MORPHEO_TOPLEVEL)/Makefile.tools
endif

#--------------------------------------------------------------------------------
#-----[ Variable ]---------------------------------------------------------------
#--------------------------------------------------------------------------------

ENV_LATEX		= export TEXINPUTS=$(DIR_INCLUDE):$$TEXINPUTS
LATEX_WITH_ENV		= $(ENV_LATEX); $(LATEX)

#--------------------------------------------------------------------------------
#-----[ Directory ]--------------------------------------------------------------
#--------------------------------------------------------------------------------

# DIR_DOCUMENTATION must be set previously

DIR_TOPLEVEL		= $(DIR_DOCUMENTATION)
DIR_TOPLEVEL_SCHEMA     = $(DIR_TOPLEVEL)/fig
DIR_TOPLEVEL_GRAPH      = $(DIR_TOPLEVEL)/dot
DIR_TOPLEVEL_PDF        = $(DIR_TOPLEVEL)/pdf
DIR_DOC   	        = .
DIR_TEX   	        = ./tex
DIR_SCHEMA              = ./fig
DIR_GRAPH               = ./dot
DIR_SCHEMA_EPS          = ./eps

#--------------------------------------------------------------------------------
#-----[ Files ]------------------------------------------------------------------
#--------------------------------------------------------------------------------

TEX_FILES               = $(wildcard $(DIR_DOC)/*.tex)
DVI_FILES               = $(patsubst $(DIR_DOC)/%.tex,%.dvi,$(TEX_FILES))
PS_FILES                = $(patsubst $(DIR_DOC)/%.tex,%.ps ,$(TEX_FILES))
PDF_FILES               = $(patsubst $(DIR_DOC)/%.tex,%.pdf,$(TEX_FILES))
EPS_FILES               = $(patsubst $(DIR_GRAPH)/%.dot,$(DIR_SCHEMA_EPS)/%.eps,$(wildcard $(DIR_GRAPH)/*.dot))       \
                          $(patsubst $(DIR_SCHEMA)/%.fig,$(DIR_SCHEMA_EPS)/%.eps,$(wildcard $(DIR_SCHEMA)/*.fig))     \
			  $(patsubst $(DIR_SCHEMA)/%.eps,$(DIR_SCHEMA_EPS)/%.eps,$(wildcard $(DIR_SCHEMA)/*.eps))     \
			  $(patsubst $(DIR_TOPLEVEL_GRAPH)/%.dot,$(DIR_SCHEMA_EPS)/%.eps,$(wildcard $(DIR_TOPLEVEL_GRAPH)/*.dot))	\
                          $(patsubst $(DIR_TOPLEVEL_SCHEMA)/%.fig,$(DIR_SCHEMA_EPS)/%.eps,$(wildcard $(DIR_TOPLEVEL_SCHEMA)/*.fig))     \
			  $(patsubst $(DIR_TOPLEVEL_SCHEMA)/%.eps,$(DIR_SCHEMA_EPS)/%.eps,$(wildcard $(DIR_TOPLEVEL_SCHEMA)/*.eps))

#--------------------------------------------------------------------------------
#-----[ Rules ]------------------------------------------------------------------
#--------------------------------------------------------------------------------

#--------------------------------------------------------------------------------
# The reset of this file shall not be editted
#--------------------------------------------------------------------------------

vpath	%.tex	$(DIR_TEX)
vpath	%.dot	$(DIR_GRAPH):$(DIR_TOPLEVEL_GRAPH) 
vpath	%.fig	$(DIR_SCHEMA):$(DIR_TOPLEVEL_SCHEMA)
vpath	%.eps	$(DIR_SCHEMA):$(DIR_TOPLEVEL_SCHEMA)


.PHONY 			: all view view_global view_local clean help
.SECONDARY 		: $(DVI_FILES) $(PS_FILES) $(PDF_FILES) $(EPS_FILES) $(DIR_SCHEMA_EPS)

all_documentation	: $(EPS_FILES)
			@\
			$(MAKE) $(PDF_FILES)

#--------------------------------------------------------------------------------
# Generation of the formatted text:
# regular flow tex -> dvi -> ps -> pdf.
#--------------------------------------------------------------------------------

%.pdf 			: %.ps $(DIR_TOPLEVEL_PDF)
			@\
			$(ECHO) "Generate   files     : $*.pdf";	\
			$(PS2PDF) $< $@;				\
			$(CP) $@ $(DIR_TOPLEVEL_PDF);

%.ps 			: %.dvi
			@\
			$(ECHO) "Generate   files     : $*.ps";         \
			$(DVIPS) -o $@ $<;

%.dvi 			: %.tex $(DIR_TEX)/*
			@\
			$(ECHO) "Generate   files     : $*.dvi";	\
			$(LATEX_WITH_ENV) $<;				\
			if $(TEST) $$? -eq 0; then			\
				$(LATEX_WITH_ENV) $< > /dev/null;	\
				citation=`$(GREP) "citation" $*.aux`; 	\
	                	if $(TEST) -n "$$citation" ; then  	\
					$(BIBTEX) $* ; 			\
				fi;					\
				$(LATEX_WITH_ENV) $< > /dev/null;	\
				$(LATEX_WITH_ENV) $< > /dev/null;	\
			fi;

#--------------------------------------------------------------------------------
# The figures directory
#--------------------------------------------------------------------------------
$(DIR_SCHEMA_EPS)	:
			@\
			$(ECHO) "Make directory       : $@";		\
			$(MKDIR) $@;

$(DIR_TOPLEVEL_PDF)	:
			@\
			$(ECHO) "Make directory       : $@";		\
			$(MKDIR) $@;

$(DIR_SCHEMA_EPS)/%.eps	: %.eps $(DIR_SCHEMA_EPS)
			@\
			$(ECHO) "Generate   files     : $*.eps";	\
			$(CP) $< $(DIR_SCHEMA_EPS);

$(DIR_SCHEMA_EPS)/%.eps	: %.fig $(DIR_SCHEMA_EPS)
			@\
			$(ECHO) "Generate   files     : $*.eps";	\
			$(FIG2EPS) $< $@;

$(DIR_SCHEMA_EPS)/%.eps	: %.dot $(DIR_SCHEMA_EPS)
			@\
			$(ECHO) "Generate   files     : $*.eps";	\
			$(DOT) -Tfig -o $(DIR_SCHEMA_EPS)/${*}.fig $<;	\
			$(FIG2EPS) $(DIR_SCHEMA_EPS)/${*}.fig $@;	\
			$(RM) $(DIR_SCHEMA_EPS)/${*}.fig;

#--------------------------------------------------------------------------------
# View
#--------------------------------------------------------------------------------
view_local		: all
			@\
			declare    SELECT_FILE;									\
			declare    SELECT_FORMAT;								\
			declare    SELECT_VIEWER;								\
														\
														\
			$(ECHO) "";                       			                		\
			$(ECHO) "Choose a document  : (0 by default)";		                		\
														\
			declare -i CPT;         								\
			declare -i NUM_FILE;									\
			declare -a FILES;									\
														\
			CPT=0;                                      		                		\
			for files in $(PDF_FILES); do                                  				\
				files=`$(BASENAME) $$files .pdf`;						\
				$(ECHO) "$$CPT) $$files";           		                		\
				FILES[$$CPT]=$$files;				                		\
				CPT=$$(($$CPT+1));                  		                		\
			done;                                       		                		\
														\
			if $(TEST) "$$CPT" -eq "0"; then							\
			   	$(ECHO) "None document found";							\
				exit;										\
			fi;											\
														\
			read NUM_FILE;			    		                			\
														\
			if $(TEST) "$$NUM_FILE" -ge "$$CPT"; then                               		\
				NUM_FILE=0;                                  		        		\
			fi;											\
														\
			SELECT_FILE=$${FILES[$$NUM_FILE]};							\
														\
														\
			$(ECHO) "Document selected  : $$SELECT_FILE";                           		\
			$(ECHO) "";                                 		                		\
			$(ECHO) "Choose a format    : (0 by default)";	                        		\
														\
			declare -i NUM_FORMAT;									\
			declare -a FORMAT;      								\
			declare -a VIEWER;      								\
														\
			PRINT=( "pdf (fullscreen)" "pdf"        "ps"        "dvi");	                        \
			FORMAT=("pdf"              "pdf"        "ps"        "dvi");	                        \
			VIEWER=("$(VIEWPDF_FS)"    "$(VIEWPDF)" "$(VIEWPS)" "$(VIEWDVI)");	                \
														\
			CPT=0;						                        		\
			while [ $$CPT -lt $${#FORMAT[*]} ]; do		                        		\
			    $(ECHO) "$$CPT) $${PRINT[$$CPT]}";		                			\
			    CPT=$$(($$CPT+1));				                        		\
			done;						                        		\
			read NUM_FORMAT;			    	                        		\
														\
			if $(TEST) "$$NUM_FORMAT" -ge "$$CPT"; then                             		\
				NUM_FORMAT=0;	 			                        		\
			fi;						                        		\
														\
			SELECT_FORMAT=$${FORMAT[$$NUM_FORMAT]};							\
			SELECT_VIEWER=$${VIEWER[$$NUM_FORMAT]};							\
			$(ECHO) "Format selected    : $$SELECT_FORMAT";                         		\
			$(ECHO) "";                                 		                		\
														\
			$$SELECT_VIEWER "$$SELECT_FILE.$$SELECT_FORMAT" &                			\
														\
			$(ECHO) "";

view_global		: all
			@\
			declare    SELECT_FILE;									\
			declare    SELECT_FORMAT;								\
			declare    SELECT_VIEWER;								\
														\
														\
			$(ECHO) "";                       			                		\
			$(ECHO) "Choose a document  : (0 by default)";		                		\
														\
			declare -i CPT;         								\
			declare -i NUM_FILE;									\
			declare -a FILES;									\
														\
			CPT=0;                                      		                		\
			for files in $(wildcard  $(DIR_TOPLEVEL_PDF)/*.pdf); do       				\
				files=`$(BASENAME) $$files .pdf`;						\
				$(ECHO) "$$CPT) $$files";           		                		\
				FILES[$$CPT]=$(DIR_TOPLEVEL_PDF)/$$files;					\
				CPT=$$(($$CPT+1));                  		                		\
			done;                                       		                		\
														\
			if $(TEST) "$$CPT" -eq "0"; then							\
			   	$(ECHO) "None document found";							\
				exit;										\
			fi;											\
														\
			read NUM_FILE;			    		                			\
														\
			if $(TEST) "$$NUM_FILE" -ge "$$CPT"; then                               		\
				NUM_FILE=0;                                  		        		\
			fi;											\
														\
			SELECT_FILE=$${FILES[$$NUM_FILE]};							\
														\
														\
			$(ECHO) "Document selected  : $$SELECT_FILE";                           		\
			$(ECHO) "";                                 		                		\
			$(ECHO) "Choose a format    : (0 by default)";	                        		\
														\
			declare -i NUM_FORMAT;									\
			declare -a FORMAT;      								\
			declare -a VIEWER;      								\
														\
			PRINT=( "pdf (fullscreen)" "pdf"       );						\
			FORMAT=("pdf"              "pdf"       );						\
			VIEWER=("$(VIEWPDF_FS)"    "$(VIEWPDF)");						\
														\
			CPT=0;						                        		\
			while [ $$CPT -lt $${#FORMAT[*]} ]; do		                        		\
			    $(ECHO) "$$CPT) $${PRINT[$$CPT]}";		                			\
			    CPT=$$(($$CPT+1));				                        		\
			done;						                        		\
			read NUM_FORMAT;			    	                        		\
														\
			if $(TEST) "$$NUM_FORMAT" -ge "$$CPT"; then                             		\
				NUM_FORMAT=0;	 			                        		\
			fi;						                        		\
														\
			SELECT_FORMAT=$${FORMAT[$$NUM_FORMAT]};							\
			SELECT_VIEWER=$${VIEWER[$$NUM_FORMAT]};							\
			$(ECHO) "Format selected    : $$SELECT_FORMAT";                         		\
			$(ECHO) "";                                 		                		\
														\
			$$SELECT_VIEWER "$$SELECT_FILE.$$SELECT_FORMAT" &                			\
														\
			$(ECHO) "";


#--------------------------------------------------------------------------------
# Cleaning
#--------------------------------------------------------------------------------

clean			: local_clean
			@\
			$(ECHO) "Delete     temporary files              "$(PWD); \
			$(RM) $(DIR_SCHEMA_EPS);			\
			$(RM) $(DVI_FILES) $(PS_FILES) $(PDF_FILES);	\
			$(MAKE) clean_rec DIR_CLEAN=$(PWD);

clean_all               : clean

#Clean recursive
clean_rec		:
			@\
			$(ECHO) "Delete     temporary files in directory $(DIR_CLEAN)"; \
			$(RM)	$(DIR_CLEAN)/*~ 		\
				$(DIR_CLEAN)/*.bak  		\
				$(DIR_CLEAN)/*.aux  		\
				$(DIR_CLEAN)/*.bbl  		\
				$(DIR_CLEAN)/*.blg  		\
				$(DIR_CLEAN)/*.bmt  		\
				$(DIR_CLEAN)/*.log  		\
				$(DIR_CLEAN)/*.mtc* 		\
				$(DIR_CLEAN)/*.toc  		\
				$(DIR_CLEAN)/*.idx  		\
				$(DIR_CLEAN)/*.ilg  		\
				$(DIR_CLEAN)/*.ind  		\
				$(DIR_CLEAN)/*.out  		\
				$(DIR_CLEAN)/*.nav  		\
				$(DIR_CLEAN)/*.maf  		\
				$(DIR_CLEAN)/*.snm  		\
				$(DIR_CLEAN)/missfont.log;	\
			for files in `$(LS) $(DIR_CLEAN)`; do                              			\
				if $(TEST) -d $(DIR_CLEAN)/$$files;                         			\
				then                                                        			\
					$(MAKE) clean_rec DIR_CLEAN=$(DIR_CLEAN)/$$files;   			\
				fi;                                                         			\
			done;

#--------------------------------------------------------------------------------
# Help
#--------------------------------------------------------------------------------

help			:
			@\
			$(ECHO) " -----[ Documentation ]------------------------------";\
			$(ECHO) "";							\
			$(ECHO) " * all_documentation    : Generate all documents";	\
			$(ECHO) " * clean                : Erase all generated files";	\
			$(ECHO) " * clean_all            : cf clean";	                \
			$(ECHO) " * help                 : Print this message";		\
			$(ECHO) " * view                 : View local documents";	\
			$(ECHO) " * view_view            : View all   documents";	\
			$(ECHO) "";