m4_dnl M4 / HTML macro package - navigation menu support m4_dnl Copyright 1997-2003 Perette Barella. m4_dnl All rights reserved. m4_dnl vim:ts=8:sw=8 _REVISION(``$Id: navigation.m4,v 1.4 2008/12/12 21:26:48 perette Exp perette $'') __STYLESHEET(DIR_TOP/Include/m4navigation.css) m4_dnl Initialize the left-edge navigation menu. m4_define(``__NAVIGATION_MENU'', `` m4_divert(DIV_CONTENT_BEGIN)

m4_divert(DIV_NAVIGATION_MENU)

m4_dnl end of class "content"

m4_dnl end of class "navicanvas" m4_divert(__DIVERTS) m4_popdef(``__DIVERTS'') m4_define(``_NAV_END_CONTENT'', ``'') '') '') m4_define(``__NAV_MENU_INIT'', ``false'') m4_define(``_NAV_END_CONTENT'', ``'') m4_m4wrap(`` _NAV_END_CONTENT m4_divert(DIV_NAVIGATION_MENU) m4_ifelse(__NAV_MENU_INIT,``true'', ``'') m4_ifelse(__NAV_MENU_INIT,``false'',, ``

'') m4_divert(DIV_NAVIGATION_BAR) m4_ifelse(__NAV_BAR_INIT,``true'', ``'') '') m4_dnl add a category of buttons to the left-edge navigation menu. m4_dnl Usage: NAV_MENU_GROUP(text [, href], class) m4_define(``_NAV_MENU_GROUP'', `` m4_pushdef(``__DIVERTS'', m4_divnum) m4_divert(DIV_NAVIGATION_MENU) m4_ifelse(__NAV_MENU_INIT,``false'',`` __NAVIGATION_MENU '',__NAV_MENU_INIT,``partial'', `` m4_dnl do nothing '', `` '') m4_define(``__NAV_MENU_INIT'', ``partial'')

m4_ifelse($2,,$1,$1) m4_ifelse($3,,, `` m4_define(``__NAV_MENU_INIT'', ``true'')

'') m4_divert(__DIVERTS) m4_popdef(``__DIVERTS'') '') m4_dnl Check to see if the link in $1 points to the current page. m4_dnl Catch is, it could point to this document in many ways: m4_dnl * by just filename m4_dnl * by ./filename m4_dnl * by full URL m4_dnl * by DIR_TOP/DIR_HERE/filename m4_dnl * a file in the current directory, m4_dnl with m4_define(``__NAV_GET_SELECTED'', `` m4_ifelse( ``$1'',__PAGEURL, `` CLASS="selected" '', ``$1'',FILE_DEST, `` CLASS="selected" '', ``$1'',DIR_TOP/DIR_HERE/FILE_DEST, `` CLASS="selected" '', ``$1'',DIR_TOP/m4_ifelse(DIR_HERE,.,,DIR_HERE/)FILE_DEST, `` CLASS="selected" '') '') m4_dnl Add some plain text to the navigation menu. m4_dnl Usage: _NAV_MENU_TEXT(text) m4_define(``_NAV_MENU_TEXT'', `` m4_pushdef(``__DIVERTS'', m4_divnum) m4_divert(DIV_NAVIGATION_MENU) m4_ifelse(__NAV_MENU_INIT,``false'',`` __NAVIGATION_MENU '',__NAV_MENU_INIT,``partial'', `` m4_dnl do nothing '', `` '') m4_define(``__NAV_MENU_INIT'', ``partial'')

$1 m4_divert(__DIVERTS) m4_popdef(``__DIVERTS'') '') m4_dnl Add a menu item to the left-edge navigation menu. m4_dnl Usage: _NAV_MENU_ITEM(href, link-text [, details]) m4_define(``_NAV_MENU_ITEM'', `` m4_pushdef(``__DIVERTS'', m4_divnum) m4_divert(DIV_NAVIGATION_MENU) m4_ifelse(__NAV_MENU_INIT,false,`` __NAVIGATION_MENU

m4_ifelse($1,,``$2'', `` $2 '') m4_divert(__DIVERTS) m4_popdef(``__DIVERTS'') '') m4_dnl Add a graphic item in the left-edge navigation menu. m4_dnl Must be called before any links are added. m4_dnl Usage: _NAV_MENU_IMAGE(link href, image href, image tags, size adjustment) m4_define(_NAV_MENU_IMAGE, `` m4_pushdef(``__DIVERTS'', m4_divnum) m4_divert(DIV_NAVIGATION_MENU) m4_ifelse(__NAV_MENU_INIT,false,`` __NAVIGATION_MENU '',__NAV_MENU_INIT,true, ``

m4_ifelse($1,,,) __IMAGE(``$2'', ``$3'', ``$4'') m4_ifelse($1,,,)

m4_ifelse($1,,`` $2 '', `` $2 '') m4_divert(__DIVERTS) m4_popdef(``__DIVERTS'') '') m4_dnl Macro to start a new heading that's linked in the navigation menu. m4_dnl Usage: _NAV_HEADING(title [, name]) m4_define(``__NAV_HEADING_NUMBER'', 0) m4_define(``_NAV_SET_HEADING'', `` m4_define(``__NAV_HEADING_TYPE'', ``$1'') '') _NAV_SET_HEADING(``H2'') m4_define(``_NAV_HEADING'', `` m4_define(``__NAV_HEADING_NUMBER'', m4_incr(__NAV_HEADING_NUMBER)) m4_define(``__NAV_MARKER'', ``m4_ifelse($2,,``H''__NAV_HEADING_NUMBER,$2)'') m4_define(``__POINT'', ``__PAGEURL#__NAV_MARKER'') m4_define(``__POINTNAME'', ``__PAGETITLE: $1'') _NAV_MENU_ITEM(``#''__NAV_MARKER, ``$1'') <__NAV_HEADING_TYPE> $1 '')