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path: root/lib/sisu/v6/html_format.rb
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# encoding: utf-8
=begin

 * Name: SiSU

 * Description: a framework for document structuring, publishing and search

 * Author: Ralph Amissah

 * Copyright: (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
   2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 Ralph Amissah,
   All Rights Reserved.

 * License: GPL 3 or later:

   SiSU, a framework for document structuring, publishing and search

   Copyright (C) Ralph Amissah

   This program is free software: you can redistribute it and/or modify it
   under the terms of the GNU General Public License as published by the Free
   Software Foundation, either version 3 of the License, or (at your option)
   any later version.

   This program is distributed in the hope that it will be useful, but WITHOUT
   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
   more details.

   You should have received a copy of the GNU General Public License along with
   this program. If not, see <http://www.gnu.org/licenses/>.

   If you have Internet connection, the latest version of the GPL should be
   available at these locations:
   <http://www.fsf.org/licensing/licenses/gpl.html>
   <http://www.gnu.org/licenses/gpl.html>

   <http://www.sisudoc.org/sisu/en/manifest/gpl.fsf.html>

 * SiSU uses:
   * Standard SiSU markup syntax,
   * Standard SiSU meta-markup syntax, and the
   * Standard SiSU object citation numbering and system

 * Hompages:
   <http://www.jus.uio.no/sisu>
   <http://www.sisudoc.org>

 * Download:
   <http://www.sisudoc.org/sisu/en/SiSU/download.html>

 * Git
   <http://sources.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v6/html_format.rb;hb=HEAD>

 * Ralph Amissah
   <ralph@amissah.com>
   <ralph.amissah@gmail.com>

 ** Description: html formating, css template

=end
module SiSU_HTML_Format
  include SiSU_Viz
  class ParagraphNumber
    def initialize(md,ocn)
      @md,@ocn=md,ocn.to_s
      @ocn ||=''
      @ocn_html_identifier=SiSU_Env::ProcessingSettings.new(@md).ocn_html_identifier
      @make=SiSU_Env::ProcessingSettings.new(@md)
    end
    def ocn_display
      if @make.build.ocn?
        if @ocn.to_i==0 \
        or @ocn.empty?
          ''
        else
          name=(@make.build.html_strict?) ? '' :  %{ name="#{@ocn}"}
          @ocn.gsub(/^(\d+|)$/,
            %{<label class="ocn"><a#{name} href="##{@ocn_html_identifier}#{@ocn}" class="lnkocn">\\1</a></label>})
        end
      else
        ''
      end
    end
    def name
      if @make.build.html_strict? \
      or @ocn==(nil || @ocn.empty?)
        ''
      else
        %{<a name="#{@ocn}"></a>}
      end
    end
    def id #w3c? "tidy" complains about numbers as identifiers ! annoying
      (@ocn==nil || @ocn.empty?) ? '' : %{id="o#{@ocn}"}
    end
    def goto
      (@ocn==nil || @ocn.empty?) ? '' : %{<a href="##{@ocn_html_identifier}#{@ocn}">}
    end
  end
  class HeadInformation
    require_relative 'css'                              # css.rb
    require_relative 'xml_shared'                       # xml_shared.rb
    include SiSU_Viz
    attr_reader :md,:rdf,:vz
    def initialize(md)
      @md=md
      # DublinCore 1 - title
      @vz=SiSU_Viz::Defaults.new
      @seg_name_html=(SiSU_HTML::Source::Seg.new.seg_name_html || [])
      @seg_name_html_tracker=(SiSU_HTML::Source::Seg.new.seg_name_html_tracker || [])
      @tocband_scroll,@tocband_segtoc=nil,nil
      @stylesheet=SiSU_Style::CSS_HeadInfo.new(md).stylesheet
      @o_str ||=SiSU_Env::ProcessingSettings.new(md).output_dir_structure
      @index,@metalink='index','#metadata'
      @toc=@md.file.base_filename.html_segtoc
    end
    def url_path_image_sys
      (@o_str.dump_or_redirect?) \
      ? './image'
      : "#{Xx[:html_relative2]}_sisu/image_sys"
    end
    def icon
      def up
        'arrow_up_red.png'
      end
      def next
        'arrow_next_red.png'
      end
      def previous
        'arrow_prev_red.png'
      end
      def dot_clear
        'dot_clear.png'
      end
      def dot_white
        'dot_white.png'
      end
      def dot
        dot_white
      end
      self
    end
    def png_nav
      def toc
        %{<img border="0" width="22" height="22" src="#{url_path_image_sys}/#{icon.up}" alt="toc" />}
      end
      def pre
        %{<img border="0" width="22" height="22" src="#{url_path_image_sys}/#{icon.previous}" alt="&lt;&lt;&nbsp;previous" />}
      end
      def nxt
        %{<img border="0" width="22" height="22" src="#{url_path_image_sys}/#{icon.next}" alt="next&nbsp;&gt;&gt;" />}
      end
      def dot_toc
        %{<img border="0" width="100%" height="20" src="#{url_path_image_sys}/#{icon.dot}" alt="&#094;" />}
      end
      def dot_pre
        %{<img border="0" width="100%" height="20" src="#{url_path_image_sys}/#{icon.dot}" alt="&lt;" />}
      end
      def dot_nxt
        %{<img border="0" width="100%" height="20" src="#{url_path_image_sys}/#{icon.dot}" alt="&gt;" />}
      end
      self
    end
    def doc_types(page=:seg) #used in toc & seg_nav_band
      wgt=SiSU_HTML_Format::Widget.new(@md)
      %{
<table summary="segment navigation available documents types: toc,doc,pdf,concordance" border="0" cellpadding="3" cellspacing="0">
<tr>
<td align="center" bgcolor=#{@vz.color_band2}>
  #{wgt.manifest(page)}
  #{wgt.search}
</tr></table>}
    end
    def rdf
      SiSU_XML_Tags::RDF.new(md)
    end
    def doc_type
      %{<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">\n}
    end
    def table_close
      %{  </font>
#{@vz.table_close}}
    end
    def button_home(page=:seg)
      button=%{ <table summary="home button / home information" border="0" cellpadding="3" cellspacing="0">\n <tr><td align="left" bgcolor="#ffffff">\n}
      if @md.make.home_button_image.is_a?(Hash)
        image_path=if page==:manifest
          @md.file.output_path.manifest.rel_image
        elsif  page==:scroll
          @md.file.output_path.html_scroll.rel_image
        else
          @md.file.output_path.html_seg.rel_image
        end
        SiSU_Env::FileOp.new(@md)
        button +=%{   <p class="tiny_left"><a href="#{@md.make.home_button_image[:link]}" target="_top"><img border="0" src="#{image_path}/#{@md.make.home_button_image[:home_button]}"  width="#{@md.make.home_button_image[:w]}" height="#{@md.make.home_button_image[:h]}" alt="home icon --&gt;" /></a></p>\n}
      elsif @md.home_button_links.is_a?(Array)
        @md.home_button_links.each do |links|
          button +=%{  <p class="tiny_left"><a href="#{links[:url]}" target="_top">\n    #{links[:say]}\n  </a></p>\n}
        end
      end
      button +=%{ </td></tr>\n </table>}
      button
    end
    def html_close #moved
    %{</body>
</html>}
    end
  end
  class Widget < HeadInformation
    def initialize(md)
      super(md)
      @md=md
      @cf_defaults=SiSU_Env::InfoProcessingFlag.new
      @env=SiSU_Env::InfoEnv.new(md.fns)
      @file=SiSU_Env::FileOp.new(md)
      @o_str ||=SiSU_Env::ProcessingSettings.new(md).output_dir_structure
      @make=SiSU_Env::ProcessingSettings.new(md)
    end
    def home
      %{<td align="center" bgcolor=#{@vz.color_band2}>
  <a href="../index.html" target="_top">
  #{@vz.nav_txt_homepage}</a>
</td>
}
    end
    def scroll(text)
      if @md.fns =~ /\.(?:-|ssm\.)?sst$/
        %{<td align="center" bgcolor=#{@vz.color_band2}>
  <a href="#{Xx[:html_relative1]}html/#{@file.base_filename.html_scroll}" target="_top">
    #{text}
  </a>
</td>
}
      end
    end
    def seg(text)
      %{<td align="center" bgcolor="#99CC66">
  <a href="#{@md.file.base_filename.html_segtoc}" target="_top">
    #{text}
  </a>
</td>
}
    end
    def search
      if @make.build.html_search_form?
        env=SiSU_Env::InfoEnv.new(@md.fns,@md)
        env.widget.search_form('sisusearch',nil,nil,true)
      else ''
      end
    end
    def manifest(page=:seg)
      if @make.build.links_to_manifest? \
      and not @o_str.dump_or_redirect?
        manifest_lnk=if @file.output_dir_structure.by_language_code? \
        or @file.output_dir_structure.by_filetype?
          "#{Xx[:html_relative1]}manifest/#{@file.base_filename.manifest}"
        else @file.base_filename.manifest
        end
        if page==:manifest
          manifest_lnk="#{@md.file.output_path.manifest.url}/#{@file.base_filename.manifest}"
          brace_url=SiSU_Viz::Defaults.new.url_decoration
          %{<td align="center" bgcolor=#{@vz.color_band2}>
  <font face="#{@vz.font_fonts}" size="2">
  #{brace_url.xml_open}<a href="#{manifest_lnk}" target="_top">#{@md.file.output_path.manifest.url}/#{@file.base_filename.manifest}</a>#{brace_url.xml_close}
  </font>
</td>}
        else
          %{<td align="center" bgcolor=#{@vz.color_band2}>
  <a href="#{manifest_lnk}" target="_top">
    #{@vz.nav_txt_manifest}
  </a>
</td>}
        end
      else ''
      end
    end
  end
  class XML
  end
  class HeadToc < HeadInformation
    def initialize(md)
      super(md)
      @md=md
      @o_str ||=SiSU_Env::ProcessingSettings.new(md).output_dir_structure
      @make=SiSU_Env::ProcessingSettings.new(@md)
      @file=SiSU_Env::FileOp.new(@md)
    end
    def scroll_head_navigation_band
      if @make.build.html_top_band?
        <<WOK
<td align="center" width="60%">
  #{make_scroll_search_form_and_manifest_link}
</td>
WOK
        %{<table summary="table of contents scroll navigation band" id="toc" width="100%" bgcolor=#{@vz.color_band1}>
<tr><td width="20%">
  #{button_home(:scroll)}
</td>
<td width="75%" align="center">
  #{doc_types}
</td>
<td width="20%">
  &nbsp;
#{@vz.table_close}
<p />}
      else ''
      end
    end
    def concordance_navigation_band
      up_button=if @make.build.html_navigation?
        %{</td>
<td width="5%" align="right">
  &nbsp;<a href="toc.html" target="_top" alt="-&gt;">
      #{png_nav.toc}
    </a>&nbsp;
}
      else ''
      end
      if @make.build.html_top_band?
        %{<table summary="concordance navigation band" id="toc" width="100%" bgcolor=#{@vz.color_band1}>
<tr><td width="20%">
  #{button_home}
</td>
<td width="75%" align="center">
  #{doc_types}
#{up_button}
#{@vz.table_close}
<p />}
      else ''
      end
    end
    def seg_head_navigation_band(page=:seg)
      if @make.build.html_navigation?
        if page==:manifest
          nxt=(@file.output_dir_structure.by_language_code? \
          || @file.output_dir_structure.by_filetype?) \
          ? "../html/#{@md.fnb}/toc#{@md.lang_code_insert}#{Sfx[:html]}"
          : "toc#{@md.lang_code_insert}#{Sfx[:html]}"
          firstseg=%{<a href="#{nxt}" target="_top" alt="-&gt;">
          #{png_nav.nxt}</a>}
        elsif @md.firstseg =~/\S+/
          firstseg=%{<a href="#{@md.firstseg}#{@md.lang_code_insert}#{Sfx[:html]}" target="_top" alt="-&gt;">
        #{png_nav.nxt}</a>}
        end
      else ''
      end
      if @make.build.html_top_band?
        %{<table summary="table of contents segment navigation band" id="toc" width="100%" bgcolor=#{@vz.color_band1}>
<tr><td width="20%">
#{button_home(page)}
</td>
<td width="75%" align="center">
  #{doc_types(page)}
</td>
<td width="5%" align="right">
  &nbsp;#{firstseg}&nbsp;
#{@vz.table_close}
<p />}
      else ''
      end
    end
    def manifest_link(text)
#     @file=SiSU_Env::FileOp.new(@md) if @md
  %{<font size=2>
    <a href="#{@md.file.base_filename.manifest}" target="_top">#{text}</a>
  </font>}
    end
    def concordance_link(text)
      if @md.concord_make
  %{<font size=2>
    <a href="#{@md.file.base_filename.html_concordance}" target="_top">
      #{text}
    </a>
  </font>}
      else ''
      end
    end
    def make_scroll_search_form_and_manifest_link
      wgt=SiSU_HTML_Format::Widget.new(@md)
      %{<td align="center" bgcolor=#{@vz.color_band2}>
  #{@vz.nav_txt_doc_link}
</td>
}
      %{<table summary="toc segment and scroll with pdf" border="0" cellpadding="3" cellspacing="0">
<tr>
  #{wgt.manifest}
  #{wgt.search}
</tr></table>}
    end
    def make_scroll_seg_pdf
      seg=''
      wgt=SiSU_HTML_Format::Widget.new(@md)
      seg=%{<td align="center" bgcolor=#{@vz.color_band2}>
  #{@vz.nav_txt_toc_link}
</td>
}
      %{<table summary="toc scroll and segment with pdf" border="0" cellpadding="3" cellspacing="0">
<tr>
<td align="center" bgcolor=#{@vz.color_band2}>
  #{wgt.manifest}
  #{wgt.search}
</tr></table>}
    end
    def make_concordance
      wgt=SiSU_HTML_Format::Widget.new(@md)
      %{<table summary="toc scroll and segment with pdf" border="0" cellpadding="3" cellspacing="0">
<tr>
<td align="center" bgcolor=#{@vz.color_band2}>
  #{wgt.manifest}
  #{wgt.search}
</tr></table>}
    end
    def head
      rdf=SiSU_XML_Tags::RDF.new(@md)
      %{#{doc_type}
<head>
  <title>
    #{@md.html_title}
  </title>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
#{rdf.metatag_html}
#{@stylesheet.css_head}
</head>
#{@vz.color_body}
<a name="top" id="top"></a>
<a name="up" id="up"></a>
<a name="start" id="start"></a>}
    end
    def concordance
      if @md.concord_make
      %{#{@vz.margin_css}
  <h4 class="toc">
    <a href="./#{@md.file.base_filename.html_concordance}">
      <i>Concordance</i>
    </a>
  </h4>
#{@vz.table_close}}
      else
      %{#{@vz.margin_css}
#{@vz.table_close}}
      end
    end
    def links_guide_vertical_open
#     @file=SiSU_Env::FileOp.new(@md) if @md
      url=((defined? @vz.url_hp) && @vz.url_hp =~/^https?:\/\/\S+$/ ? @vz.url_hp : @vz.url_home)
      %{
<div id="vertical_links">
  <ul id="vertical">
  <li class="refbold">
    <a href="#{url}">
      #{@vz.txt_hp}
    </a>
  </li>
  <li class="ref">
     Quick Ref.:
  </li>
  <li class="ref">
    <a href="#{@md.file.base_filename.manifest}" alt="Document Manifest" target="_top">
      Manifest
    </a>
  </li>
<!- quick ref -!>}
    end
    def links_guide_horizontal_open
#     @file=SiSU_Env::FileOp.new(@md) if @md
      url=((defined? @vz.url_hp) && @vz.url_hp =~/^https?:\/\/\S+$/ ? @vz.url_hp : @vz.url_home)
      %{
<div id="horizontal_links">
  <ul id="horizontal">
  <li class="refbold">
    <a href="#{url}">
      #{@vz.txt_hp}
    </a>
  </li>
  <li class="ref">
     Quick Ref.:
  </li>
  <li class="ref">
    <a href="#{@md.file.base_filename.manifest}" alt="Document Manifest" target="_top">
      Manifest
    </a>
  </li>
<!- quick ref -!>}
    end
    def links_guide_open(type='horizontal')
      (type=='vertical') \
      ? links_guide_vertical_open
      : links_guide_horizontal_open
    end
    def links_guide_close
      insert=''
      insert=if @md.sfx_src =~/s?/
        link='http://sisudoc.org'                          #get from defaults
        url='sisudoc.org'
        name='SiSU electronic documents'                   #get from defaults
        insert= %{
  <li class="ref">
    <a href="#{link}" alt="#{name}" target="_top">
      #{url}
    </a>
  </li>
  </ul>
</div>
}
      end
      %{ #{insert}
<!- quick ref -!>}
    end
    def prefix_a
    end
    def rights
      def all
        rights=SiSU_HTML_Tune::CleanHTML.new(@md.rights.all).clean_for_html
        rights=rights.gsub(/^\s*Copyright\s+\(C\)/,'Copyright <sup>&copy;</sup>&nbsp;')
        %{<p class="small_left">Rights: #{rights}</p>
<p />}
      end
      self
    end
    def prefix_b
      %{<p class="small_left">Prefix: #{@md.prefix_b}<p />}
    end
    def scroll_head_title_banner_open
      icon=@md.icon ? %{<center>\n#{@md.icon}\n</center>} : ''
      %{#{icon}
#{@vz.banner_instrument_cover_band_scr}}
    end
    def seg_head_title_banner_open
      icon=@md.icon ? %{<center>\n#{@md.icon}\n</center>} : ''
      %{#{icon}
#{@vz.banner_instrument_cover_band_seg}}
    end
    def make_scroll
      concord=concordance_link(@vz.nav_txt_concordance)
      %{<table summary="toc scroll" border="0" cellpadding="3" cellspacing="0">
<tr><td align="center" bgcolor="white" border="0">
  #{@vz.nav_txt_doc_link}
</td>
<td align="center" bgcolor="white">
   #{concord}
#{@vz.table_close}}
    end
    def make_seg
      concord=concordance_link(@vz.nav_txt_concordance)
      %{<table summary="toc segment" border="0" cellpadding="3" cellspacing="0">
<tr><td align="center" bgcolor="white">
  #{@vz.nav_txt_toc_link}
</td>
<td align="center" bgcolor="white">
  <font size=2>
   #{concord}
#{@vz.table_close}}
    end
    def manifest #check structure
      if not @o_str.dump_or_redirect?
        manifest=manifest_link(@vz.nav_txt_manifest)
        %{#{@vz.margin_txt_3}
  #{@vz.paragraph_font_small}
   #{manifest}
    </font>
#{@vz.table_close}}
      else ''
      end
    end
    def concordance #check structure
      concord=concordance_link(@vz.nav_txt_concordance)
      %{#{@vz.margin_txt_3}
  #{@vz.paragraph_font_small}
   #{concord}
    </font>
#{@vz.table_close}}
    end
    def metadata
      %{#{@vz.margin_css}
  <h4 class="toc">
    <a href="#{@metalink}">
      <i>MetaData</i>
    </a>
  </h4>
#{@vz.table_close}}
    end
    def seg_tail
      %{
<div class="main_column">
<p>&nbsp;<p>
<table summary="toc segment tail" bgcolor=#{@vz.color_band1}>
<tr><td width="20%">
  #{@vz.banner_band}
</td>
<td width="60%">
  <center>
    #{@tocband_segtoc}
  </center>
</td></tr>
</table>
<p>&nbsp;</p>
#{@vz.credits_splash}
#{@vz.credits_sisu}
<a name="bottom" id="bottom"></a>
<a name="down" id="down"></a>
<a name="end" id="end"></a>
<a name="finish" id="finish"></a>
<a name="stop" id="stop"></a>
<a name="credits"></a>
</div>
</div>
</div>
}
    end
    def scroll_tail #debug
      nav=scroll_head_navigation_band
      %{
<div class="main_column">
#{nav}
#{@vz.credits_splash}
#{@vz.credits_sisu}
<a name="bottom" id="bottom"></a>
<a name="down" id="down"></a>
<a name="end" id="end"></a>
<a name="finish" id="finish"></a>
<a name="stop" id="stop"></a>
<a name="credits"></a>
</div>
}
    end
    def seg_navigation_tail #this is a bug area, look up and "tidy"
      %{
<div class="main_column">
<p>&nbsp;</p>
#{@vz.credits_splash}
#{@vz.credits_sisu}
<a name="bottom" id="bottom"></a>
<a name="down" id="down"></a>
<a name="end" id="end"></a>
<a name="finish" id="finish"></a>
<a name="stop" id="stop"></a>
<a name="credits"></a>
</div>
</div>
</div>
}
    end
  end
  class HeadSeg < HeadInformation
    def initialize(md)
      super(md)
    end
    def dot_control_pre_next
      pre="#{@seg_name_html[@seg_name_html_tracker-1]}#{@md.lang_code_insert}#{Sfx[:html]}"
      up=@toc
      nxt="#{@seg_name_html[@seg_name_html_tracker+1]}#{@md.lang_code_insert}#{Sfx[:html]}"
      if nxt=~/sisu_manifest\.html/
        @file=SiSU_Env::FileOp.new(@md) if @md
        if @file.output_dir_structure.by_language_code? \
        or @file.output_dir_structure.by_filetype?
          nxt=nxt.gsub(/sisu_manifest\.html/,"../../manifest/#{@file.base_filename.manifest}")
        end
      end
      %{<table summary="segment hidden control pre and next" width="100%" border="0" cellpadding="0" bgcolor=#{@vz.color_grey_pale} align="center">
<tr><td align="left">
  <a href="#{pre}" target="_top">
    #{png_nav.dot_pre}
  </a>
</td>
<td align="center">
  <a href="#{up}" target="_top">
    #{png_nav.dot_toc}
  </a>
</td>
<td align="right">
  <a href="#{nxt}" target="_top">
    #{png_nav.dot_nxt}
  </a>
#{@vz.table_close}}
    end
    def dot_control_pre
      pre="#{@seg_name_html[@seg_name_html_tracker-2]}#{@md.lang_code_insert}#{Sfx[:html]}"
      up=@toc
      nxt="#{@md.file.base_filename.html_segtoc}"
      %{<table summary="segment hidden control pre" width="100%" border="0" cellpadding="0" bgcolor=#{@vz.color_grey_pale} align="center">
<tr><td align="left">
  <a href="#{pre}" target="_top">
    #{png_nav.dot_pre}
  </a>
</td>
<td align="center">
  <a href="#{up}" target="_top">
    #{png_nav.dot_toc}
  </a>
</td>
<td align="right">
  <a href="#{nxt}" target="_top">
    #{png_nav.dot_nxt}
  </a>
#{@vz.table_close}}
    end
    def toc_nav(f_pre=false,f_nxt=false,use=1)
      pre=nxt=''
      toc=%{<td align="center" bgcolor=#{@vz.color_band1}>
  <a href="#{@toc}" target="_top">
    #{png_nav.toc}
  </a>
</td>}
      pre=%{<td align="center" bgcolor=#{@vz.color_band1}>
  <a href="#{@seg_name_html[@seg_name_html_tracker-use]}#{@md.lang_code_insert}#{Sfx[:html]}" target="_top">
    #{png_nav.pre}
  </a>
</td>} if f_pre==true
      nxt=%{<td align="center" bgcolor=#{@vz.color_band1}>
  <a href="#{@seg_name_html[@seg_name_html_tracker+1]}#{@md.lang_code_insert}#{Sfx[:html]}" target="_top">
    #{png_nav.nxt}
  </a>
</td>} if f_nxt==true
      if nxt =~/sisu_manifest.html/
        @file=SiSU_Env::FileOp.new(@md) if @md
        if @file.output_dir_structure.by_language_code? \
        or @file.output_dir_structure.by_filetype?
          nxt=nxt.gsub(/sisu_manifest\.html/,"../../manifest/#{@file.base_filename.manifest}")
        end
      end
      %{<table summary="segment navigation pre/next" border="0" cellpadding="3" cellspacing="0">
<tr>
#{pre}
#{toc}
#{nxt}
<td>
#{@vz.table_close}}
    end
    def toc_next2
      toc_nav(false,true).dup
    end
    def toc_pre_next2
      toc_nav(true,true).dup
    end
    def toc_pre2
      toc_nav(true,false,2).dup
    end
    def manifest_link(text)
  %{<font size=2>
    <a href="#{@md.file.base_filename.manifest}" target="_top">
      #{text}
    </a>
  </font>}
    end
    def concordance_link(text)
      if @md.concord_make
  %{<font size=2>
    <a href="#{@md.file.base_filename.html_concordance}" target="_top">
      #{text}
    </a>
  </font>}
      else ''
      end
    end
    def navigation_table
      %{<table summary="navigation segment table" width=#{@vz.table_width_1} border="0" bgcolor="white" cellpadding="0">
<tr><th width="#{@@indent['leve_1']}" align="right">
</td>
<td valign="top">
  <font size=2>}
    end
    def navigation_table1
      %{<table summary="navigation segment table1" width=#{@vz.table_width_1} border="0" cellpadding=#{@vz.table_cellpad_box} bgcolor=#{@vz.color_table1} align="left">
<tr><td valign="top">
  <font size="2">}
    end
    def navigation_table2
      %{<table summary="navigation segment table2" width=#{@vz.table_width_2} border="0" cellpadding=#{@vz.table_cellpad_box} bgcolor=#{@vz.color_table2} align="left">
<tr><td valign="top">
  <font size="2">}
    end
    def credit
      %{
<div class="main_column">
#{@vz.credits_splash}
#{@vz.credits_sisu}
<a name="bottom" id="bottom"></a>
<a name="down" id="down"></a>
<a name="end" id="end"></a>
<a name="finish" id="finish"></a>
<a name="stop" id="stop"></a>
<a name="credits" id="credits"></a>
</div></div>
}
    end
    def navigation_band(segtocband,seg_table_top_control) #change name to navigation_band_banner
      %{<table summary="segment navigation band with banner" bgcolor=#{@vz.color_band1} width="100%"><tr>
<td width="20%" align="left">
#{button_home}
</td>
<td width="75%" align="center">
  #{doc_types}
</td>
<td width="5%" align="right">
  #{segtocband}
</td></tr>
</table>
#{seg_table_top_control}}
    end
    def navigation_band_bottom(segtocband,seg_table_top_control) #change name to navigation_band_bannerless
      %{
<div class="main_column">
  <table summary="segment navigation band" bgcolor=#{@vz.color_band1} width="100%"><tr>
  <td width="70%" align="center">
    #{doc_types}
  </td>
  <td width="5%" align="right">
    #{segtocband}
  </td></tr>
  </table>
  #{seg_table_top_control}
</div>
}
    end
    def endnote_mark
%{
<p class="center" id="endnotes">
  <hr class="endnote" />
</p>}
    end
    def endnote_section_open
%{
<div class="endnote">
}
    end
    def endnote_section_close
%{
</div>
} #revisit
    end
    def head_seg
      rdf=SiSU_XML_Tags::RDF.new(@md)
      %{#{doc_type}
<head>
  <title>
    #{@seg_name_html[@seg_name_html_tracker]} -
    #{@md.html_title}
  </title>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
#{rdf.metatag_html}
#{@stylesheet.css_head_seg}
</head>
#{@vz.color_body}
<a name="top" id="top"></a>
<a name="up" id="up"></a>
<a name="start" id="start"></a>}
    end
    def title_banner(title,subtitle,creator)
      %{
<div class="summary">
  <p class="tiny">
    #{title}
  </p>
  <p class="tiny">
    #{subtitle}
  </p>
  <p class="tiny">
    #{creator}
  </p>
  <p class="tiny">
    copy @
    <a href="#{@vz.url_home}">
      #{@vz.txt_home}
    </a>
  </p>
</div>
}
    end
  end
  class HeadScroll < HeadToc
    def initialize(md)
      super(md)
    end
    def toc_owner_details
      %{#{@vz.margin_txt_3}
#{@vz.paragraph_font_small}
  <a href="#owner.details">
    Owner Details
    <font size="1" color="#777777">
      &nbsp;&nbsp;&nbsp;
    </font>
  </a>
  </font>
#{@vz.table_close}}
    end
  end
  class FormatTextObject
    @vz=SiSU_Viz::Defaults.new
    attr_accessor :md,:t_o,:txt,:ocn,:format,:table,:link,:linkname,:paranum,:p_num,:headname,:banner,:url
    def initialize(md,t_o)
      @md,@t_o=md,t_o
      @make=SiSU_Env::ProcessingSettings.new(@md)
      if t_o.is_a?(Hash)
        @txt            =t_o[:txt]            || nil
        @ocn            =t_o[:ocn]            || nil
        @ocn_display    =t_o[:ocn_display]    || nil
        @headname       =t_o[:headname]       || nil
        @trailer        =t_o[:trailer]        || nil
        @endnote_part_a =t_o[:endnote_part_a] || nil
        @endnote_part_b =t_o[:endnote_part_b] || nil
        @lnk_url        =t_o[:lnk_url]        || nil
        @lnk_txt        =t_o[:lnk_txt]        || nil
        @format         =t_o[:format]         || nil
      elsif t_o.class.inspect =~/^(?:#<)?SiSU_AO_DocumentStructure/
        @dob=t_o if defined? t_o.is
        @named=nametags_seg(@dob)
        @txt=((defined? t_o.obj) ? t_o.obj : nil)
        @ocn=((defined? t_o.ocn) ? t_o.ocn.to_s : nil)
        @headname=((t_o.is==:heading and defined? t_o.name) ? t_o.name : nil)
      else
        if @md.opt.act[:maintenance][:set]==:on
          p t_o.class
          p caller
        end
      end
      @headnamed=(@headname ? %{<a id="h#{@headname}"></a>} : nil)
      if @txt and not @txt.empty?
        @txt=@txt.gsub(/#{Mx[:mk_o]}[-~]##{Mx[:mk_c]}/,'')
      end
      @p_num=ParagraphNumber.new(@md,@ocn)
      @vz=SiSU_Viz::Defaults.new
    end
    def nametags_scroll(dob)
      tags=''
      if defined? dob.tags \
      and dob.tags.length > 0 # insert tags "hypertargets"
        dob.tags.each do |t|
          t=t.gsub(/[^a-z0-9._-]/,'') #use for all html tags? consider limiting to strict? or implementing earlier
          tags=tags << %{<named id="#{t}" />}
        end
      end
      tags
    end
    def nametags_seg(dob) #FIX
      tags=''
      if defined? dob.tags \
      and dob.tags.length > 0 # insert tags "hypertargets"
        dob.tags.each do |t|
          t=t.gsub(/[^a-z0-9._-]/,'') #use for all html tags? consider limiting to strict? or implementing earlier
          if @make.build.html_strict?
            tags=(t =~/^[#{Mx[:ocn_id_char]}]?[0-9.]+$/) \
            ? tags             #check what can be sorted in ao
            : (tags << %{<a name="#{t}" ></a>})
          else
            tags=(t =~/^[#{Mx[:ocn_id_char]}][0-9.]+$/) \
            ? tags             #check what can be sorted in ao
            : (tags << %{<a name="#{t}" ></a>})
          end
        end
      end
      tags
    end
    def headname #check whether used
      hn=if @t_o.is ==:heading \
      and not @t_o.name.empty? #determine use
        hn=(@t_o.is ==:heading) \
        ? (%{<a id="h#{@t_o.name}"></a>})
        : (%{<a id="#{@t_o.name}"></a>})
      else nil
      end
      hn
    end
    def endnote_body
      %{
<p class="endnote">
  #{@txt}
</p>
}
    end
    def endnote_body_indent
      %{
  <p class="endnote_indent">
    #{@txt}
  </p>
}
    end
    def no_paranum
      %{
<div class="substance">
  <label class="ocn">&nbsp;</label>
  <p class="norm">
    #{@txt}
  </p>
</div>
}
    end
    def para_form_css(tag,attrib)                                                    # regular paragraphs shaped here
      ul=ulc=''
      if tag =~/li/
        ul,ulc="<ul>\n  ","\n  </ul>"
      end
      %{
<div class="substance">
  #{@p_num.ocn_display}
  #{ul}<#{tag} class="#{attrib}" #{@p_num.id}>
    #{@named}#{@txt}
  </#{tag}>#{ulc}
</div>
}
    end
    def para
      para_form_css('p','norm')
    end
    def block
      para_form_css('p','block')
    end
    def group
      para_form_css('p','group')
    end
    def alt
      para_form_css('p','alt')
    end
    def verse
      para_form_css('p','verse')
    end
    def code
      para_form_css('p','code')
    end
    def center
      para_form_css('p','center')
    end
    def bold
      para_form_css('p','bold')
    end
    def bullet
      para_form_css('li','bullet')
    end
    def table
      @txt=if @t_o.obj !~/^<table\s/
        table=SiSU_HTML_Shared::TableHTML.new(@t_o) #move, make happen earlier
        @txt=table.table.obj
      else @txt
      end
      para_form_css('p','norm')
    end
    def format(tag,attrib)
      para_form_css(tag,attrib)
    end
    def heading_normal(tag,attrib)
      section_break=(tag=~/h[1-5]/) \
      ? '<br /><hr width=90% /><br />'
      : ''
      %{#{section_break}
<div class="substance">
  #{@p_num.ocn_display}
  <#{tag} class="#{attrib}" #{@p_num.id}>#{@p_num.name}
    #{@named}#{@txt}
  </#{tag}>
</div>
}
    end
    def heading_body
      heading_normal('p','norm')
    end
    def heading_body0
      heading_normal('h1','norm')
    end
    def heading_body1
      heading_normal('h1','norm')
    end
    def heading_body2
      heading_normal('h2','norm')
    end
    def heading_body3
      heading_normal('h3','norm')
    end
    def heading_body4
      heading_normal('h4','norm')
    end
    def heading_body5
      heading_normal('h5','norm')
    end
    def heading_body6
      heading_normal('h6','norm')
    end
    def heading_body7
      heading_normal('h7','norm')
    end
    def title_heading(tag,attrib)
      cl=(@make.build.html_minitoc?) \
      ? 'content'
      : 'content0'
      %{
<div class="#{cl}">
<#{tag} class="#{attrib}">
    #{@named}#{@txt}
  </#{tag}>
</div>
}
    end
    def title_heading0
      title_heading('h1','tiny')
    end
    def title_heading1
      title_heading('h1','tiny')
    end
    def title_heading2
      title_heading('h2','tiny')
    end
    def title_heading3
      title_heading('h3','tiny')
    end
    def title_heading4
      ''
    end
    def seg_heading_sub(tag,attrib)
      @txt=@txt.gsub(/(?:#{Mx[:en_a_o]}.+?#{Mx[:en_a_c]}|#{Mx[:en_b_o]}.+?#{Mx[:en_b_c]})\s*/m,' ')
      %{
<div class="substance">
  #{@p_num.ocn_display}
  <#{tag} class="#{attrib}" #{@p_num.id}>#{@p_num.name} #{@headnamed}
    #{@named}#{@txt}
  </#{tag}>
</div>
}
    end
    def seg_heading4
      %{
<div class="substance">
  #{@p_num.ocn_display}
  <h1 class="norm" #{@p_num.id}>#{@p_num.name}
    #{@txt}
  </h1>
</div>
}
    end
    def seg_heading5
      seg_heading_sub('p','bold')
    end
    def seg_heading6
      seg_heading_sub('p','bold')
    end
    def dl #check :trailer
      "<dl><b>#{@txt}</b> #{@trailer}</dl>"
    end
    def table_css_end
      '</table>
    </p>
  </div>'
    end
    def gsub_body #fix
      @txt=case @txt
      when /^\((i+|iv|v|vi+|ix|x|xi+)\)/
        @txt.gsub(/^\((i+|iv|v|vi+|ix|x|xi+)\)/,'<b>(\1)</b>')
      when /^\(?(\d|[a-z])+\)/
        @txt.gsub(/^\((\d+|[a-z])+\)/,'<b>(\1)</b>')
      when /^\s*\d{1,3}\.\s/
        @txt.gsub(/^\s*(\d+\.)/,'<b>\1</b>')
      when /^\s*[A-Z]\.\s/
        @txt.gsub(/^\s*([A-Z]\.)/,'<b>\1</b>')
      else @txt
      end
    end
    def bold_para
      %{#{@vz.margin_txt_0}
  <p class="bold">
    #{@txt}
  </p>
#{@vz.margin_num_css}
  &nbsp;&nbsp;&nbsp;
#{@vz.table_close}}
    end
    def bold_heading
      %{<p class="bold">
    #{@txt}
  </p>
#{@vz.margin_num_css}
  &nbsp;&nbsp;&nbsp;
#{@vz.table_close}}
    end
    def toc_head_copy_at
      %{<p class="center">#{@txt}</p>\n}
    end
    def center
      %{<p class="center">#{@txt}</p>\n}
    end
    def bold
      %{<p class="bold">#{@txt}</p>\n}
    end
    def center_bold
      %{<p class="centerbold">#{@txt}</p>\n}
    end
  end
  class FormatScroll < FormatTextObject
    def initialize(md,txt)
      super(md,txt)
      @vz=SiSU_Viz::Defaults.new
    end
  end
  class FormatSeg < FormatTextObject
    def initialize(md,txt)
      super(md,txt)
    end
    def navigation_toc_lev1_advert
      %{#{@banner.home_button}\n
<center>
#{@txt}
#{@two}
</a></center><p />}
    end
    def navigation_toc_lev1
      %{#{@banner.nav_toc}}
    end
    def navigation_toc_lev2                                                      #change bold use css
      %{<p />
<table summary="navigation segment level 2">
<tr><td width ="20">
</td>
<td>
  <font size="3" #{@vz.font_face}>
    <b>#{@txt}</b>
  </font>
  </p>
#{@vz.table_close}}
    end
    def navigation_toc_lev3                                                      #change bold use css
      %{<p />
<table summary="navigation segment level 3">
<tr><td width ="20">
</td>
<td>
  <font size="3" #{@vz.font_face}>
    <b>#{@txt}</b>
  </font>
  </p>
#{@vz.table_close}}
    end
    def navigation_toc_lev4
      %{<table summary="navigation segment level 4">
<tr><td width ="80">
</td>
<td>
<p>
  #{@txt}
</p>
#{@vz.table_close}}
    end
    def navigation_toc_lev5
    end
    def navigation_toc_lev6
    end
    def navigation_toc_lev7
    end
    def endnote_seg_body(fn='')  #FIX                                                #url construction keep within single line... BUG WATCH 200408
      fn='doc' if fn.to_s.empty? #you may wish to reconsider, sends to 'doc' where no segment info
      %{
  <p class="endnote">
    #{@endnote_part_a}#{fn}#{@md.lang_code_insert}#{Sfx[:html]}#{@endnote_part_b}
  </p>
}
    end
    def clean(txt)
      txt=txt.gsub(/#{Mx[:en_a_o]}.+?#{Mx[:en_a_c]}/,'').
        gsub(/#{Mx[:en_b_o]}.+?#{Mx[:en_b_c]}/,'')
    end
    def subtoc_lev(tag,attrib)
      @txt=clean(@txt)
      @ocn_html_identifier=SiSU_Env::ProcessingSettings.new(@md).ocn_html_identifier
      txt=if @txt \
      and @txt =~/<\/?i>|<a\s+name="\S+?">/mi
        @txt.gsub(/<\/?i>|<a\s+name="\S+?">/mi,'') #removes name markers from subtoc, go directly to substantive text
      else @txt
      end
      note=''
      if txt =~/(#{Mx[:en_a_o]}.+?#{Mx[:en_a_c]}|#{Mx[:en_b_o]}.+?#{Mx[:en_b_c]})/m # had \s* at end
        note=$1
        note=note.gsub(/[\s]+/m,' ')
        txt=txt.gsub(/(?:#{Mx[:en_a_o]}.+?#{Mx[:en_a_c]}|#{Mx[:en_b_o]}.+?#{Mx[:en_b_c]})\s*/m,' ').
          gsub(/<a[\s]+name="-\d+"[\s]+href="#_\d+">&nbsp;<sup>\d+<\/sup>&nbsp;/m,'')
      end
      %{<#{tag} class="#{attrib}">
    <a href="##{@ocn_html_identifier}#{@ocn}"><i>#{txt}</i></a> #{note}
  </#{tag}>}
    end
    def subtoc_lev5
      subtoc_lev('h5','subtoc') if @txt
    end
    def subtoc_lev6
      subtoc_lev('h6','subtoc') if @txt
    end
    def subtoc_lev7
      subtoc_lev('h7','subtoc') if @txt
    end
    def heading_sub(tag,attrib)
      @txt=@txt.gsub(/(?:#{Mx[:en_a_o]}.+?#{Mx[:en_a_c]}|#{Mx[:en_b_o]}.+?#{Mx[:en_b_c]})\s*/m,' ')
      %{
<div class="substance">
  #{@p_num.ocn_display}
  <#{tag} class="#{attrib}" #{@p_num.id}>#{@p_num.name} #{@headnamed}
    #{@txt}
  </#{tag}>
</div>
}
    end
    def heading5
      heading_sub('p','bold')
    end
    def heading6
      heading_sub('p','bold')
    end
    def heading4
      %{
<div class="substance">
  #{@p_num.ocn_display}
  <h1 class="norm" #{@p_num.id}>#{@p_num.name}
    #{@t_o[:format]}
    #{@txt}
  </h1>
</div>
}
    end
    def navigation_heading4
      %{<table summary="navigation segment heading 4" width=100% bgcolor="#08163f" border="0">
<tr><td align="center">
<p class="bold">
  #{@txt}
</p>
#{@vz.table_close}}
    end
    def navigation_heading5
      %{<p class="bold">
  #{@txt}
</p>}
    end
    def navigation_heading6
      %{<p class="bold">
  #{@txt}
</p>}
    end
    def navigation_center
      "<center>#{@txt}</center>"
    end
  end
  class FormatToc < FormatTextObject
    def initialize(md,txt)
      super(md,txt)
    end
    def links_guide
      %{  <li class="doc">
    <a href="#{@lnk_url}" target="_top">
      #{@lnk_txt}
    </a>
  </li>
}
    end
    def lev(tag,attrib)
      if @txt
        %{<#{tag} class="#{attrib}">
    #{@txt}
  </#{tag}>
}
      else ''
      end
    end
    def lev0 #docinfo
      lev('h1','toc')
    end
    def lev1
      lev('h1','toc')
    end
    def lev2
      lev('h2','toc')
    end
    def lev3
      lev('h3','toc')
    end
    def lev4
      lev('h4','toc')
    end
    def lev5
      lev('h5','toc')
    end
    def lev6
      lev('h6','toc')
    end
    def lev7
      lev('h7','toc')
    end
    def strip_endnotes(txt)
      txt=txt.gsub(/(?:#{Mx[:en_a_o]}.+?#{Mx[:en_a_c]}|#{Mx[:en_b_o]}.+?#{Mx[:en_b_c]})\s*/m,' ')
      txt
    end
    def mini_lev0
      @txt=strip_endnotes(@txt)
      lev('h1','minitoc')
    end
    def mini_lev1
      @txt=strip_endnotes(@txt)
      lev('h1','minitoc')
    end
    def mini_lev2
      @txt=strip_endnotes(@txt)
      lev('h2','minitoc')
    end
    def mini_lev3
      @txt=strip_endnotes(@txt)
      lev('h3','minitoc')
    end
    def mini_lev4
      @txt=strip_endnotes(@txt)
      lev('h4','minitoc')
    end
    def mini_lev5
      @txt=strip_endnotes(@txt)
      lev('h5','minitoc')
    end
    def mini_lev6
      @txt=strip_endnotes(@txt)
      lev('h6','minitoc')
    end
    def mini_lev7
      @txt=strip_endnotes(@txt)
      lev('h7','minitoc')
    end
    def mini_lev0 #docinfo
      lev('h1','minitoc')
    end
    def mini_tail
  %{
  <h4 class="minitoc">
    <a href="sisu_manifest.html">Manifest (alternative outputs)</a>
  </h4>
}
    end
    def mini_concord_tail
  %{
  <h4 class="minitoc">
    <a href="concordance.html">Concordance (wordlist)</a>
  </h4>
  <h4 class="minitoc">
    <a href="sisu_manifest.html">Manifest (alternative outputs)</a>
  </h4>
}
    end
  end
  class FormatStr
    def initialize(md,str)
      @str=str
    end
    def center
      %{<p class="center">#{@str}</p>\n}
    end
    def bold
      %{<p class="bold">#{@str}</p>\n}
    end
    def center_bold
      %{<p class="centerbold">#{@str}</p>\n}
    end
    def endnote_body
      %{
<p class="endnote">
  #{@str}
</p>
}
    end
  end
end
__END__