# nico_comment.rb
#
# You can distribute this file under the GPL2.
#
#
add_header_proc do
  imagewidth = 320;
  imageheight = 240;
  durationsec = 10;

  result = <<-EOS
<script type="text/javascript" src="http://linux.papa.to/~papanda/image/js/prototype.js"></script>
<script type="text/javascript" src="http://linux.papa.to/~papanda/image/js/effects.js"></script>
<script language="javascript"><!--

var delaysec = 0;

var jmkY = new Array();
var jmkD = new Array();
var jimakus;
var jwinObj;

window.onload = function() {
  jimakus = document.getElementsByClassName("jimaku");
  jwinObj = Element.getDimensions("jwin0");
  if (jimakus.length > 0) {
    var i = 0;
    var Y = 0;

    delaysec = 0;
    jimakus.each(function(jmk) {
      jmkD[i] = delaysec;
      delaysec += (Math.floor(Math.random() * 6) + 1);
      jmkY[i] = Y;
      Y += (Math.floor(Math.random() * 64) + jwinObj.height / 8);
      if (Y > (jwinObj.height / 5 * 4)) {
        Y = 0;
      }
      i++;
    });

    slide();
    setInterval('slide()', (delaysec + #{durationsec}) * 1000);
  }
}

function slide() {
  var i = 0;
  jimakus.each(function(jmk) {
    new Effect.Move($(jmk), { x:jwinObj.width, y:jmkY[i], mode:"absolute", duration:0, delay:0 });
    new Effect.Move($(jmk), { x: -jwinObj.width * 3, y: 0, mode:"relative", duration:#{durationsec}, delay: jmkD[i], fps:3 });
    Element.show(jmk);
    i++;
  });
}
// -->
</script>


<style>
.jwin span {
  font-weight: bold;
  font-size: 32px;
  position: absolute;
  white-space: nowrap;
  color: white;
}

.jwin {
  position: relative;
  background: black;
  background-repeat: no-repeat;
  top: 0;
  left: 0;
  border: 1px solid;
  overflow: hidden;
  width: #{imagewidth.to_s()}px;
  height: #{imageheight.to_s()}px;
</style>
EOS
end

def nico_comment( max = 15, imageurl='none', *except )
  sep = '' 
  comlist = [] 

  @diaries.each_value do |diary|
    diary.each_comment do |comment|
      next unless comment.visible?
      comlist << "#{CGI::escapeHTML( comment.name )}¡§¡Ö#{CGI::escapeHTML( comment.body )}¡×"
    end
  end

  if comlist.size > max
    comlist = comlist.slice(comlist.size - max, max)
  end

  result = []
  if (imageurl == 'none') 
    result << '<div id="jwin0" class="jwin">'
  else
    result << '<div id="jwin0" class="jwin" style="background-image:url('
    result << imageurl
    result << ');">'
  end

  comlist.each_with_index do |comment, idx|
    result << "<span id=\"nic#{idx}\" class=\"jimaku\" style=\"display:none;\"> #{comment} </span>"
  end
  result << '</div>'

  result.join( sep )
end