##############################################
package main;

use strict;
use warnings;

use IO::Socket;

###################
# Config
my $FHEMWEB_absicondir = "/home/httpd/icons";   # Copy your icons here
my $FHEMWEB_relicondir = "/icons";
my $FHEMWEB_gnuplot    = "/usr/bin/gnuplot";    # Set it to empty to disable
my $FHEMWEB_gnuplotdir = "/home/httpd/cgi-bin"; # the .gplot filees live here
my $FHEMWEB_absdoc     = "/home/httpd/html/commandref.html";
my $FHEMWEB_reldoc     = "/commandref.html";
my $FHEMWEB_tmpfile    = "/tmp/file.$$";
my $__ME               = "/fhem";

###################
# CSS
my $FHEMWEB_css1 = "border: solid; border-width: thin; width: 100%; -moz-border-radius:8px; ";
my $FHEMWEB_css="
  body             { color: black;  background: #FFFFD7; }
  table.room       { $FHEMWEB_css1; background: #D7FFFF; }
  table.room               tr.sel { background: #A0FFFF; }
  table.FS20       { $FHEMWEB_css1; background: #C0FFFF; }
  table.FS20               tr.odd { background: #D7FFFF; }
  table.FHT        { $FHEMWEB_css1; background: #FFC0C0; }
  table.FHT                tr.odd { background: #FFD7D7; }
  table.KS300      { $FHEMWEB_css1; background: #C0FFC0; }
  table.KS300              tr.odd { background: #A7FFA7; }
  table.FileLog    { $FHEMWEB_css1; background: #FFC0C0; }
  table.FileLog            tr.odd { background: #FFD7D7; }
  table.at         { $FHEMWEB_css1; background: #FFFFC0; }
  table.at                 tr.odd { background: #FFFFD7; }
  table.notify     { $FHEMWEB_css1; background: #D7D7A0; }
  table.notify tr.odd             { background: #FFFFC0; }
  table.FHZ        { $FHEMWEB_css1; background: #C0C0C0; }
  table.FHZ                tr.odd { background: #D7D7D7; }
  table.EM         { $FHEMWEB_css1; background: #E0E0E0; }
  table.EM                 tr.odd { background: #F0F0F0; }
  table._internal_ { $FHEMWEB_css1; background: #C0C0C0; }
  table._internal_         tr.odd { background: #D7D7D7; }
  #hdr   { position:absolute; top:10px; left:10px; }
  #left  { position:absolute; top:50px; left:10px; width:130px; }
  #right { position:absolute; top:50px; left:160px; bottom:10px; overflow:auto;}
";

# Nothing to config below
#########################

#########################
# Forward declaration
sub FHEMWEB_checkDirs();
sub FHEMWEB_digestCgi($);
sub FHEMWEB_doDetail($);
sub FHEMWEB_fileList($);
sub FHEMWEB_makeTable($$$$$$$$);
sub FHEMWEB_parseXmlList();
sub FHEMWEB_showRoom();
sub FHEMWEB_showArchive($);
sub FHEMWEB_showLog($);
sub FHEMWEB_showLogWrapper($);
sub FHEMWEB_popup($$$);
sub FHEMWEB_textfield($$);
sub FHEMWEB_submit($$);
sub __roomOverview();
sub FHEMWEB_fatal($);
sub pF($@);
sub pO(@);
sub FHEMWEB_AnswerCall($);

#########################
# As we are _not_ multithreaded, it is safe to use global variables.
my %__icons;
my $__iconsread;
my %__rooms;
my %__devs;
my %__types;
my $__room;
my $__detail;
my $__title;
my $__cmdret;
my $__RET;
my $__RETTYPE;
my $__SF = "<form method=\"get\" action=\"$__ME\">";
my $__ti;  # Tabindex for all input fields


#####################################
sub
FHEMWEB_Initialize($)
{
  my ($hash) = @_;

  $hash->{ReadFn}  = "FHEMWEB_Read";

  $hash->{DefFn}   = "FHEMWEB_Define";
  $hash->{UndefFn} = "FHEMWEB_Undef";
  $hash->{AttrList}= "loglevel:0,1,2,3,4,5,6";
}

#####################################
sub
FHEMWEB_Define($$)
{
  my ($hash, $def) = @_;
  my ($name, $type, $port, $global) = split("[ \t]+", $def);
  return "Usage: define <name> FHEMWEB <tcp-portnr> [global]"
        if($port !~ m/^[0-9]+$/ || $port < 1 || $port > 65535 ||
           ($global && $global ne "global"));

  $hash->{STATE} = "Initialized";
  $hash->{PORT} = IO::Socket::INET->new(
          Proto        => 'tcp',
          LocalHost    => ($global ? undef : "localhost"),
          LocalPort    => $port,
          Listen       => 10,
          ReuseAddr    => 1);
  return "Can't open server port at $port: $!" if(!$hash->{PORT});
  $hash->{FD} = $hash->{PORT}->fileno();
  $hash->{SERVERSOCKET} = "True";
  Log 2, "FHEMWEB port $port opened";

  return undef;
}

#####################################
sub
FHEMWEB_Undef($$)
{
  my ($hash, $arg) = @_;
  close($hash->{PORT});
  return undef;
}

#####################################
sub
FHEMWEB_Read($)
{
  my ($hash) = @_;

  if($hash->{SERVERSOCKET}) {   # Accept and create a child

    my @clientinfo = $hash->{PORT}->accept();
    my $name = $hash->{NAME};
    my $ll = GetLogLevel($name,4);

    if(!@clientinfo) {
      Print("ERROR", 1, "016 Accept failed for admin port");
      Log 1, "Accept failed for HTTP port ($name: $!)";
      return;
    }

    my @clientsock = sockaddr_in($clientinfo[1]);

    my %nhash;
    $nhash{NAME}  = "FHEMWEB:". inet_ntoa($clientsock[1]) .":".$clientsock[0];
    $nhash{FD}    = $clientinfo[0]->fileno();
    $nhash{CD}    = $clientinfo[0];     # sysread / close won't work on fileno
    $nhash{TYPE}  = "FHEMWEB";
    $nhash{STATE} = "Connected";
    $nhash{SNAME} = $name;
    $nhash{TEMPORARY} = 1;              # Don't want to save it
    $nhash{BUF}   = "";

    $defs{$nhash{NAME}} = \%nhash;
    Log $ll, "Connection accepted from $nhash{NAME}";
    return;

  }

  my $name = $hash->{SNAME};
  my $ll = GetLogLevel($name,4);

  # Data from HTTP Client
  my $buf;
  my $ret = sysread($hash->{CD}, $buf, 1024);

  if(!defined($ret) || $ret <= 0) {
    close($hash->{CD});
    delete($defs{$hash->{NAME}});
    # Don't delete the attr entry.
    Log $ll, "Connection closed for $hash->{NAME}";
    return;
  }

  $hash->{BUF} .= $buf;
  #Log 1, "Got: >$hash->{BUF}<";
  return if($hash->{BUF} !~ m/\n\n$/ && $hash->{BUF} !~ m/\r\n\r\n$/);

  my @lines = split("[\r\n]", $hash->{BUF});
  my ($mode, $arg, $method) = split(" ", $lines[0]);
  $hash->{BUF} = "";

  Log $ll, "HTTP $hash->{NAME} GET $arg";

  FHEMWEB_AnswerCall($arg);

  my $c = $hash->{CD};
  my $l = length($__RET);

  print  $c "HTTP/1.1 200 OK\r\n",
            "Content-Length: $l\r\n",
            "Content-Type: $__RETTYPE\r\n\r\n",
            $__RET;
}


sub
FHEMWEB_AnswerCall($)
{
  my ($arg) = @_;

  %__rooms = ();
  %__devs = ();
  %__types = ();
  $__room = "";
  $__detail = "";
  $__title = "";
  $__cmdret = "";
  $__RET = "";
  $__RETTYPE = "text/html; charset=ISO-8859-1";
  $__ti = 1;

  # Lets go:
  if($arg !~ m/^$__ME(.*)/) {
    if($arg =~ m/^$FHEMWEB_reldoc/) {
      open(FH, $FHEMWEB_absdoc) || return;
      pO join("", <FH>);
      close(FH);
    } elsif($arg =~ m/^$FHEMWEB_relicondir(.*)$/) {
      $__RETTYPE = "image/gif";
      open(FH, "$FHEMWEB_absicondir$1") || return;
      pO join("", <FH>);
      close(FH);
    }
    return;
  }
  my $cmd = FHEMWEB_digestCgi($1);

  $__cmdret = fC($cmd) if($cmd && 
                          $cmd !~ /^showlog/ &&
                          $cmd !~ /^toweblink/ &&
                          $cmd !~ /^showarchive/);
  FHEMWEB_parseXmlList();
  return FHEMWEB_showLog($cmd) if($cmd =~ m/^showlog /);

  if($cmd =~ m/^toweblink (.*)$/) {
    my @aa = split(":", $1);
    my $max = 0;
    for my $d (keys %__devs) {
      $max = ($1+1) if($d =~ m/^wl_(\d+)$/ && $1 >= $max);
    }
    $__devs{$aa[0]}{INT}{currentlogfile}{VAL} =~ m,([^/]*)$,;
    $aa[2] = "CURRENT" if($1 eq $aa[2]);
    $__cmdret = fC("define wl_$max weblink fileplot $aa[0]:$aa[1]:$aa[2]");
    if(!$__cmdret) {
      $__detail = "wl_$max";
      FHEMWEB_parseXmlList()
    }
  }

  pO "<html><head><title>$__title</title><style type=\"text/css\">";
  pO "<!--/* <![CDATA[ */\n$FHEMWEB_css\n/* ]]> */-->";
  pO "</style></head><body name=\"$__title\">\n";

  if($__cmdret) {
    $__detail = "";
    $__room = "";
    $__cmdret =~ s/</&lt;/g;
    $__cmdret =~ s/>/&gt;/g;
    pO "<div id=\"right\">\n";
    pO "<pre>$__cmdret</pre>\n";
    pO "</div>\n";
  }

  __roomOverview();
  FHEMWEB_doDetail($__detail)    if($__detail);
  FHEMWEB_showRoom()           if($__room && !$__detail);
  FHEMWEB_showLogWrapper($cmd) if($cmd =~ /^showlogwrapper/);
  FHEMWEB_showArchive($cmd)    if($cmd =~ m/^showarchive/);
  pO "</body></html>";
}


###########################
# Digest CGI parameters
sub
FHEMWEB_digestCgi($)
{
  my ($arg) = @_;
  my (%arg, %val, %dev);
  my ($cmd, $c) = ("","","");

  $arg =~ s/^\?//;
  foreach my $pv (split("&", $arg)) {
    $pv =~ s/\+/ /g;
    $pv =~ s/%(..)/chr(hex($1))/ge;
    #Log 1, "P1: $pv";
    my ($p,$v) = split("=",$pv, 2);

    if($p eq "detail")       { $__detail = $v; }
    if($p eq "room")         { $__room = $v; }
    if($p eq "cmd")          { $cmd = $v; }
    if($p =~ m/^arg\.(.*)$/) { $arg{$1} = $v; }
    if($p =~ m/^val\.(.*)$/) { $val{$1} = $v; }
    if($p =~ m/^dev\.(.*)$/) { $dev{$1} = $v; }
    if($p =~ m/^cmd\.(.*)$/) { $cmd = $v; $c= $1; }
  }
  $cmd.=" $dev{$c}" if($dev{$c});
  $cmd.=" $arg{$c}" if($arg{$c});
  $cmd.=" $val{$c}" if($val{$c});
  return $cmd;
}

#####################
# Get the data and parse it. We are parsing XML in a non-scientific way :-)
sub
FHEMWEB_parseXmlList()
{
  my $name;
  foreach my $l (split("\n", fC("xmllist"))) {

    ####### Device
    if($l =~ m/^\t\t<(.*) name="(.*)" state="(.*)" sets="(.*)" attrs="(.*)">/){
      $name = $2;
      $__devs{$name}{type}  = ($1 eq "HMS" ? "KS300" : $1);
      $__devs{$name}{state} = $3;
      $__devs{$name}{sets}  = $4;
      $__devs{$name}{attrs} = $5;
      next;
    }
    ####### INT, ATTR & STATE
    if($l =~ m,^\t\t\t<(.*) key="(.*)" value="([^"]*)"(.*)/>,) {
      my ($t, $n, $v, $m) = ($1, $2, $3, $4);
      $__devs{$name}{$t}{$n}{VAL} = $v;
      if($m) {
        $m =~ m/measured="(.*)"/;
        $__devs{$name}{$t}{$n}{TIM} = $1;
      }

      if($t eq "ATTR" && $n eq "room") {
        $__rooms{$v}{$name} = 1;
	if($name eq "global") {
	  $__rooms{$v}{LogFile} = 1;
	  $__devs{LogFile}{ATTR}{room}{VAL} = $v;
	}
      }

      if($name eq "global" && $n eq "logfile") {
	my $ln = "LogFile";
	$__devs{$ln}{type}  = "FileLog";
        $__devs{$ln}{INT}{logfile}{VAL} = $v;
        $__devs{$ln}{state} = "active";
      }
    }

  }
  if(defined($__devs{global}{ATTR}{archivedir})) {
    $__devs{LogFile}{ATTR}{archivedir}{VAL} = 
     $__devs{global}{ATTR}{archivedir}{VAL};
  }

  #################
  #Tag the gadgets without room with "Unsorted"
  if(%__rooms) {
    foreach my $name (keys %__devs ) {
      if(!$__devs{$name}{ATTR}{room}) {
        $__devs{$name}{ATTR}{room}{VAL} = "Unsorted";
        $__rooms{Unsorted}{$name} = 1;
      }
    }
  }

  ###############
  # Needed for type sorting
  foreach my $d (sort keys %__devs ) {
    $__types{$__devs{$d}{type}} = 1;
  }
  $__title = $__devs{global}{ATTR}{title}{VAL} ? 
               $__devs{global}{ATTR}{title}{VAL} : "First page";
  $__room = $__devs{$__detail}{ATTR}{room}{VAL} if($__detail);
}

##############################
sub
FHEMWEB_makeTable($$$$$$$$)
{
  my($d,$t,$header,$hash,$clist,$ccmd,$makelink,$cmd) = (@_);

  $t = "EM" if($t =~ m/^EM.*$/);
  return if(!$hash && !$clist);
  pO "  <table class=\"$t\">\n";

  # Header
  pO "  <tr>";
  foreach my $h (split(",", $header)) {
    pO "<th>$h</th>";
  }
  pO "</tr>\n";
  if($clist) {
    my @al = map { s/[:;].*//;$_ } split(" ", $clist);
    pO "<td>" . FHEMWEB_popup("arg.$ccmd$d",\@al,undef) . "</td>";
    pO "<td>" . FHEMWEB_textfield("val.$ccmd$d", 6)    . "</td>";
    pO "<td>" . FHEMWEB_submit("cmd.$ccmd$d", $ccmd)    . "</td>";
    pO FHEMWEB_hidden("dev.$ccmd$d", $d);
    pO "</td></tr><tr><td>\n";
  }

  my $row = 1;
  foreach my $v (sort keys %{$hash}) {
    pF "    <tr class=\"%s\">", $row?"odd":"even";
    $row = ($row+1)%2;
    if($makelink && $FHEMWEB_reldoc) {
      pO "<td><a href=\"$FHEMWEB_reldoc#$v\">$v</a></td>";
    } else {
      pO "<td>$v</td>";
    }
    pO "<td>$hash->{$v}{VAL}</td>";
    pO "<td>$hash->{$v}{TIM}</td>" if($hash->{$v}{TIM});
    pO "<td><a href=\"$__ME?cmd.$d=$cmd $d $v&detail=$d\">$cmd</a></td>"
        if($cmd);

    pO "</tr>\n";
  }
  pO "  </table>\n";
  pO "<br>\n";
  
}

##############################
sub
FHEMWEB_showArchive($)
{
  my ($arg) = @_;
  my (undef, $d) = split(" ", $arg);

  my $fn = $__devs{$d}{INT}{logfile}{VAL};
  if($fn =~ m,^(.+)/([^/]+)$,) {
    $fn = $2;
  }
  $fn = $__devs{$d}{ATTR}{archivedir}{VAL} . "/" . $fn;
  my $t = $__devs{$d}{type};

  pO "<div id=\"right\">\n";
  pO "<table><tr><td>\n";
  pO "<table class=\"$t\"><tr><td>\n";

  my $row =  0;
  my $l = $__devs{$d}{ATTR}{logtype};
  foreach my $f (FHEMWEB_fileList($fn)) {
    pF "    <tr class=\"%s\"><td>$f</td>", $row?"odd":"even";
    $row = ($row+1)%2;
    if(!defined($l)) {
      pO "<td><a href=\"$__ME?cmd=showlogwrapper $d text $f\">text</a></td>";
    } else {
      foreach my $ln (split(",", $l->{VAL})) {
	my ($lt, $name) = split(":", $ln);
	$name = $lt if(!$name);
	pO "<td><a href=\"$__ME?cmd=showlogwrapper $d $lt $f\">$name</a></td>";
      }
    }
    pO "</tr>";
  }

  pO "</td></tr></table>\n";
  pO "</td></tr></table>\n";
  pO "</div>\n";
}


##############################
sub
FHEMWEB_doDetail($)
{
  my ($d) = @_;

  pO $__SF;
  pO FHEMWEB_hidden("detail", $d);

  $__room = $__devs{$d}{ATTR}{room}{VAL}
                if($__devs{$d}{ATTR}{room});

  my $t = $__devs{$d}{type};

  pO "<div id=\"right\">\n";
  pO "<table><tr><td>\n";
  pO "<a href=\"$__ME?cmd=delete $d\">Delete $d</a>\n";
  pO "</td></tr><tr><td>\n";
  FHEMWEB_makeTable($d, $t,
        "<a href=\"$FHEMWEB_reldoc#${t}set\">State</a>,Value,Measured",
        $__devs{$d}{STATE}, $__devs{$d}{sets}, "set", 0, undef);
  FHEMWEB_makeTable($d, $t, "Internal,Value",
        $__devs{$d}{INT}, "", undef, 0, undef);
  FHEMWEB_makeTable($d, $t,
        "<a href=\"$FHEMWEB_reldoc#attr\">Attribute</a>,Value,Action",
        $__devs{$d}{ATTR}, $__devs{$d}{attrs}, "attr", 1,
        $d eq "global" ? "" : "deleteattr");
  pO "</td></tr></table>\n";
  pO "</div>\n";

  pO "</form>\n";
}

##############
# Room overview
sub
__roomOverview()
{
  pO $__SF;

  pO "<div id=\"hdr\">\n";
  pO "<a href=\"$FHEMWEB_reldoc\">Cmd</a>: ";
  pO FHEMWEB_textfield("cmd", 30);
  pO FHEMWEB_hidden("room", "$__room") if($__room);
  pO "</div>\n";

  pO "<div id=\"left\">\n";
  pO "  <table><tr><td>\n";  # Need for "right" compatibility
    pO "  <table class=\"room\" summary=\"Room list\">\n";
  $__room = "" if(!$__room);
  foreach my $r (sort keys %__rooms) {
    next if($r eq "hidden");
    pF "    <tr%s>", $r eq $__room ? " class=\"sel\"" : "";
    pO "<td><a href=\"$__ME?room=$r\">$r</a>";
    pO "</td></tr>\n";
  }

  pF "    <tr%s>",  "all" eq $__room ? " class=\"sel\"" : "";
  pO "<td><a href=\"$__ME?room=all\">All together</a></td>";
  pO "    </tr>\n";

  pO "  </table>\n";
  pO "  </table>\n";
  pO "</div>\n";
  pO "</form>\n";
}

#################
# Read in the icons
  sub
FHEMWEB_checkDirs()
{
  return if($__iconsread && (time() - $__iconsread) < 5);
  %__icons = ();
  if(opendir(DH, $FHEMWEB_absicondir)) {
    while(my $l = readdir(DH)) {
      next if($l =~ m/^\./);
      my $x = $l;
      $x =~ s/\.[^.]+$//;	# Cut .gif/.jpg
      $__icons{$x} = $l;
    }
    closedir(DH);
  }
  $__iconsread = time();
}

########################
# Generate the html output: i.e present the data
sub
FHEMWEB_showRoom()
{
  FHEMWEB_checkDirs();

  pO $__SF;
  pO "<div id=\"right\">\n";
  pO "  <table><tr><td>\n";  # Need for equal width of subtables

  foreach my $type (sort keys %__types) {
    
    #################
    # Filter the devices in the room
    if($__room && $__room ne "all") {
      my $havedev;
      foreach my $d (sort keys %__devs ) {
        next if($__devs{$d}{type} ne $type);
        next if(!$__rooms{$__room}{$d});
        $havedev = 1;
        last;
      }
      next if(!$havedev);
    }

    my $rf = ($__room ? "&room=$__room" : "");


    ############################
    # Print the table headers
    my $t = $type;
    $t = "EM" if($t =~ m/^EM.*$/);
    pO "  <table class=\"$t\" summary=\"List of $type devices\">\n";

    if($type eq "FS20") {
      pO "    <tr><th>FS20 dev.</th><th>State</th>";
      pO "<th colspan=\"2\">Set to</th>";
      pO "</tr>\n";
    }
    if($type eq "FHT") {
      pO "    <tr><th>FHT dev.</th><th>Measured</th>";
      pO "<th>Set to</th>";
      pO "</tr>\n";
    }

    my $hstart = "    <tr><th>";
    my $hend   = "</th></tr>\n";
    pO $hstart . "Logs" . $hend                       if($type eq "FileLog");
    pO $hstart . "HMS/KS300</th><th>Readings" . $hend if($type eq "KS300");
    pO $hstart . "Scheduled commands (at)" . $hend    if($type eq "at");
    pO $hstart . "Triggers (notify)" . $hend          if($type eq "notify");
    pO $hstart . "Global variables" . $hend        if($type eq "_internal_");

    my $row=1;
    foreach my $d (sort keys %__devs ) {

      next if($__devs{$d}{type} ne $type);
      next if($__room && $__room ne "all" &&
             !$__rooms{$__room}{$d});

      pF "    <tr class=\"%s\">", $row?"odd":"even";
      $row = ($row+1)%2;

      #####################
      # Check if the icon exists

      my $v = $__devs{$d}{state};

      if($type eq "FS20") {

        my $v = $__devs{$d}{state};
        my $iv = $v;
        my $iname = "";

        if(defined($__devs{$d}) &&
           defined($__devs{$d}{ATTR}{showtime})) {
          $v = $__devs{$d}{STATE}{state}{TIM};
        } elsif($iv) {
          $iv =~ s/ .*//; # Want to be able to have icons for "on-for-timer xxx"
          $iname = $__icons{"$type"}     if($__icons{"$type"});
          $iname = $__icons{"$type.$iv"} if($__icons{"$type.$iv"});
          $iname = $__icons{"$d"}        if($__icons{"$d"});
          $iname = $__icons{"$d.$iv"}    if($__icons{"$d.$iv"});
        }

        pO "<td><a href=\"$__ME?detail=$d\">$d</a></td>";
        if($iname) {
          pO "<td align=\"center\"><img src=\"$FHEMWEB_relicondir/$iname\" ".
                  "alt=\"$v\"/></td>";
        } else {
          pO "<td align=\"center\">$v</td>";
        }
        if($__devs{$d}{sets}) {
          pO "<td><a href=\"$__ME?cmd.$d=set $d on$rf\">on</a></td>";
          pO "<td><a href=\"$__ME?cmd.$d=set $d off$rf\">off</a></td>";
        }

      } elsif($type eq "FHT") {

        $v =~ s/^[^0-9]*([.0-9]+).*$/$1/g;
        pO "<td><a href=\"$__ME?detail=$d\">$d</a></td>";
        pO "<td align=\"center\">$v&deg;</td>";

        $v = sprintf("%2.1f", int(2*$v)/2) if($v =~ m/[0-9.-]/);
        my @tv = map { ($_.".0", $_+0.5) } (16..26);
        $v = int($v*20)/$v if($v =~ m/^[0-9].$/);
        pO FHEMWEB_hidden("arg.$d", "desired-temp");
        pO FHEMWEB_hidden("dev.$d", $d);
        pO "<td>" .
            FHEMWEB_popup("val.$d",\@tv,$v) .
            FHEMWEB_submit("cmd.$d", "set") . "</td>";

      } elsif($type eq "FileLog") {
        pO "<td><a href=\"$__ME?detail=$d\">$d</a></td><td>$v</td>\n";
        if($__devs{$d}{ATTR}{archivedir}) {
          pO "<td><a href=\"$__ME?cmd=showarchive $d\">archive</a></td>";
        }

        my $l = $__devs{$d}{ATTR}{logtype};
        if(!defined($l)) {
	  my %h = ("VAL" => "text");
	  $l = \%h;
	}

	foreach my $f (FHEMWEB_fileList($__devs{$d}{INT}{logfile}{VAL})) {
	  pF "    <tr class=\"%s\"><td>$f</td>", $row?"odd":"even";
	  $row = ($row+1)%2;
	  foreach my $ln (split(",", $l->{VAL})) {
	    my ($lt, $name) = split(":", $ln);
	    $name = $lt if(!$name);
	    pO "<td><a href=\"$__ME?cmd=showlogwrapper $d $lt $f\">$name</a></td>";
	  }
	  pO "</tr>";
	}

      } elsif($type eq "weblink") {

        $v = $__devs{$d}{INT}{LINK}{VAL};
        $t = $__devs{$d}{INT}{WLTYPE}{VAL};
        if($t eq "link") {
          pO "<td><a href=\"$v\">$d</a></td>\n";
        } elsif($t eq "fileplot") {
          my @va = split(":", $v, 3);
          if(@va != 3 || !$__devs{$va[0]}{INT}{currentlogfile}) {
	    pO "<td>Broken definition: $v</a></td>";
          } else {
            if($va[2] eq "CURRENT") {
              $__devs{$va[0]}{INT}{currentlogfile}{VAL} =~ m,([^/]*)$,;
              $va[2] = $1;
            }
            pO "<td><img src=\"$__ME?cmd=showlog $va[0] $va[1] $va[2]\"/>";
            pO "<a href=\"$__ME?detail=$d\">$d</a></td>";

          }
        }

      } else {
        pO "<td><a href=\"$__ME?detail=$d\">$d</a></td><td>$v</td>\n";
      }
      pO "  </tr>\n";
    }
    pO "  </table>\n";
    pO "  <br>\n"; # Empty line
  }
  pO "  </td></tr>\n</table>\n";
  pO "</div>\n";
  pO "</form>\n";
}

#################
sub
FHEMWEB_fileList($)
{
  my ($fname) = @_;
  $fname =~ m,^(.*)/([^/]*)$,; # Split into dir and file
  my ($dir,$re) = ($1, $2);
  return if(!$re);
  $re =~ s/%./\.*/g;
  my @ret;
  return @ret if(!opendir(DH, $dir));
  while(my $f = readdir(DH)) {
    next if($f !~ m,^$re$,);
    push(@ret, $f);
  }
  closedir(DH);
  return sort @ret;
}

######################
sub
FHEMWEB_showLogWrapper($)
{
  my ($cmd) = @_;
  my (undef, $d, $type, $file) = split(" ", $cmd, 4);

  if($type eq "text") {
    $__devs{$d}{INT}{logfile}{VAL} =~ m,^(.*)/([^/]*)$,; # Dir and File
    my $path = "$1/$file";
    $path = $__devs{$d}{ATTR}{archivedir}{VAL} . "/$file" if(!-f $path);

    open(FH, $path) || return FHEMWEB_fatal("$path: $!"); 
    my $cnt = join("", <FH>);
    close(FH);
    $cnt =~ s/</&lt;/g;
    $cnt =~ s/>/&gt;/g;

    pO "<div id=\"right\">\n";
    pO "<pre>$cnt</pre>\n";
    pO "</div>\n";

  } else {

    pO "<div id=\"right\">\n";
    pO "<table><tr></td>\n";
    pO "<table><tr></td>\n";
    pO "<td><img src=\"$__ME?cmd=showlog $d $type $file\"/>";
    pO "<a href=\"$__ME?cmd=toweblink $d:$type:$file\"><br>Convert to weblink</a></td>";
    pO "</td></tr></table>\n";
    pO "</td></tr></table>\n";
    pO "</div>\n";
  }
}

######################
sub
FHEMWEB_showLog($)
{
  my ($cmd) = @_;
  my (undef, $d, $type, $file) = split(" ", $cmd, 4);

  $__devs{$d}{INT}{logfile}{VAL} =~ m,^(.*)/([^/]*)$,; # Dir and File
  my $path = "$1/$file";
  $path = $__devs{$d}{ATTR}{archivedir}{VAL} . "/$file" if(!-f $path);

  my $gplot_pgm = "$FHEMWEB_gnuplotdir/$type.gplot";

  return FHEMWEB_fatal("Cannot read $gplot_pgm") if(!-r $gplot_pgm);
  return FHEMWEB_fatal("Cannot read $path") if(!-r $path);

  # Read in the template gnuplot file
  open(FH, $gplot_pgm) || FHEMWEB_fatal("$gplot_pgm: $!"); 
  my $gplot_script = join("", <FH>);
  close(FH);
  $gplot_script =~ s/<OUT>/$FHEMWEB_tmpfile/g;
  $gplot_script =~ s/<IN>/$path/g;
  $gplot_script =~ s/<TL>/$file/g;

  open(FH, "|$FHEMWEB_gnuplot > /dev/null");# feed it to gnuplot
  print FH $gplot_script;
  close(FH);

  $__RETTYPE = "image/png";
  open(FH, "$FHEMWEB_tmpfile.png");         # read in the result and send it
  pO join("", <FH>);
  close(FH);
  unlink("$FHEMWEB_tmpfile.png");
}

##################
sub
FHEMWEB_fatal($)
{
  my ($msg) = @_;
  pO "<html><body>$msg</body></html>";
}

##################
sub
FHEMWEB_hidden($$)
{
  my ($n, $v) = @_;
  return "<input type=\"hidden\" name=\"$n\" value=\"$v\"/>";
}

##################
sub
FHEMWEB_popup($$$)
{
  my ($n, $va, $def) = @_;
  my $s = "<select name=\"$n\" tabindex=\"$__ti\">";
  $__ti++;

  foreach my $v (@{$va}) {
    if($def && $v eq $def) {
      $s .= "<option selected=\"selected\" value=\"$v\">$v</option>";
    } else {
      $s .= "<option value=\"$v\">$v</option>";
    }
  }
  $s .= "</select>";
  return $s;
}

##################
sub
FHEMWEB_textfield($$)
{
  my ($n, $z) = @_;
  my $s = "<input type=\"text\" name=\"$n\" tabindex=\"$__ti\" size=\"$z\"/>";
  $__ti++;
  return $s;
}

##################
sub
FHEMWEB_submit($$)
{
  my ($n, $v) = @_;
  my $s ="<input type=\"submit\" tabindex=\"$__ti\" name=\"$n\" value=\"$v\"/>";
  $__ti++;
  return $s;
}

sub
pF($@)
{
  my $fmt = shift;
  $__RET .= sprintf $fmt, @_;
}

sub
pO(@)
{
  $__RET .= shift;
}

sub
fC($)
{
  my $oll = $attr{global}{verbose};
  $attr{global}{verbose} = 0;
  my $ret = AnalyzeCommand(undef, shift);
  $attr{global}{verbose} = $oll;
  return $ret;
}


1;