# -*- tcl -*-
# site wide definitions _____________________________
# the general layout of the website. Change this to
# adjust the layout. also imposes the interfaces between
# site policy and templates

source [file join [here] formatting] ; # Make general formatting available.

# Rules for the creation of the website from the .exp files.
#
# General layout __________________________

# Header            | [page_begin tag]
# - Navigation -    |
# Interlude         | [page_content]
# - Content -       |
# Footer            | [page_end]


proc sitepage {tag text url} {
    global pages
    if {[info exists pages(t,$tag)]} {
	error "Page $tag already defined"
    }

    set     pages(t,$tag) .
    lappend pages(tags)   $tag

    url $tag $text $url
    return
}

proc manpage {tag text url} {
    global pages
    if {[info exists pages(t,$tag)]} {
	error "Page $tag already defined"
    }

    set     pages(t,$tag) .
    lappend pages(mp) $tag
    url $tag $text $url
    return
}

proc page_begin {tag} {
    global pages
    if {![info exists pages(t,$tag)]} {
	error "Unknown page $tag"
    }

    set title    [$tag text]
    set pages(_) $tag

    set    data [header $title]
    append data "[table][trtop]"
    append data "[td]<h1>[sfproject]</h1><hr></td>[td][nbsp]</td>[td]<h1>[pagetitle]</h1></td></tr>"
    append data [page_navigation_begin]
}

proc page_content {} {
    global pages
    unset  pages(_)
    page_navigation_end
}

proc page_end {} {
    set last_update [readFile [file join [state] sn.time]]

    set     data "<tr><td colspan=3 [use_bg]><hr></td></tr>"
    append  data "<tr><td [use_bg] colspan=3><b>Last updated @ $last_update</b></td></tr>"
    append  data "<tr><td [use_bg] colspan=3>"
    append  data "[table][trtop][td][news]</td>[td][stats]</td></tr></table>"
    append  data "</td></tr>"
    append  data "</table></td></tr></table>[trailer]"
    return $data
}

proc page_navigation_begin {} {
    set     data "[trtop][td][table][trtop]<td>[table][trtop]"
    append  data "[td]<p align=center>[sf/img]<br><br>[mem/logo/100]<br><br>[tcl/sf/img]</td>"
    append  data "[td][nbsp]</td>[td][sect Crossreferences]"
    return $data
}

proc page_navigation_end {} {
    return "</td></tr></table></td></tr></table></td>[td][nbsp]</td>[td]"
}

proc nav_link {link} {
    return $link<br>
}

proc site_xref {} {
    global pages

    set data ""
    foreach tag $pages(tags) {
	if {0 == [string compare $tag $pages(_)]} {
	    append data [nav_link "<font color=[hlcolor]><b>[$tag text]</b></font>"]
	} else {
	    append data [nav_link [$tag]]
	}
    }

    return $data
}

proc mp_xref {} {
    global pages

    set data "<hr>[sect Manpages]"
    foreach tag $pages(mp) {
	if {0 == [string compare $tag $pages(_)]} {
	    append data [nav_link "<font color=[hlcolor]><b>[$tag text]</b></font>"]
	} else {
	    append data [nav_link [$tag]]
	}
    }

    return $data
}