--- loncom/homework/edit.pm 2001/05/15 20:48:43 1.7 +++ loncom/homework/edit.pm 2001/12/04 14:47:33 1.25 @@ -1,55 +1,161 @@ # The LearningOnline Network with CAPA # edit mode helpers +# +# $Id: edit.pm,v 1.25 2001/12/04 14:47:33 albertel Exp $ +# +# Copyright Michigan State University Board of Trustees +# +# This file is part of the LearningOnline Network with CAPA (LON-CAPA). +# +# LON-CAPA 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 2 of the License, or +# (at your option) any later version. +# +# LON-CAPA 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 LON-CAPA; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# /home/httpd/html/adm/gpl.txt +# +# http://www.lon-capa.org/ +# # 3/20 Guy package Apache::edit; use strict; use Apache::lonnet; +# Global Vars +# default list of colors to use in editing +@Apache::edit::colorlist=('#ffffff','#ff0000','#00ff00','#0000ff','#0ff000','#000ff0','#f0000f'); +# depth of nesting of edit +$Apache::edit::colordepth=0; + +sub initialize_edit { + $Apache::edit::colordepth=0; +} + sub tag_start { - my ($target,$token) = @_; + my ($target,$token,$description) = @_; my $result=''; if ($target eq "edit") { my $tag=$token->[1]; -# my $color = sprintf("#%06lx",(hex("ffffff")) >> scalar(split(/_/,$Apache::lonxml::curdepth))); - my $color = sprintf("#%02lxffff",33* scalar(split(/_/,$Apache::lonxml::curdepth))); - $result.=" - + if (!$description) { + $description=&Apache::lonxml::description($token); + if (!$description) { $description="<$tag>"; } + } + $result.= &start_table($token)." +
<$tag>Delete: -
$descriptionDelete". + &deletelist($target,$token) + ." ". - &insertlist($token,$target). + &insertlist($target,$token). "
\n"; +#". +# &movebuttons($target,$token). +# "
\n"; } return $result; } sub tag_end { - my ($target,$token) = @_; + my ($target,$token,$description) = @_; my $result=''; if ($target eq 'edit') { my $tag=$token->[1]; - $result.="
</$tag>
\n"; + if (!defined($description)) { + $result.="</$tag> "; + } else { + if ($description ne '') { $result.="$description "; } + } + $result.="".&end_table()."\n"; + } + return $result; +} + +sub start_table { + my ($token)=@_; + my $tag = $token->[1]; + my $tagnum; + foreach my $namespace (reverse @Apache::lonxml::namespace) { + my $testtag=$namespace.'::'.$tag; + $tagnum=$Apache::lonxml::insertlist{"$testtag.num"}; + if (defined($tagnum)) { last; } + } + if (!defined ($tagnum)) { $tagnum=$Apache::lonxml::insertlist{"$tag.num"}; } + my $color = $Apache::lonxml::insertlist{"$tagnum.color"}; + if (!defined($color)) { + $color = $Apache::edit::colorlist[$Apache::edit::colordepth]; } + $Apache::edit::colordepth++; + my $result=""; return $result; } +sub end_table { + $Apache::edit::colordepth--; + my $result="
"; + return $result; +} + +sub movebuttons { + my ($target,$token) = @_; + my $result=''; + $result.=''; + return $result; +} + +sub deletelist { + my ($target,$token) = @_; + my $result = ""; + return $result; +} + +sub handle_delete { + if (!$ENV{"form.delete_$Apache::lonxml::curdepth"}) { return ''; } + my ($space,$target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; + my $result=0; + if ($space) { + my $sub1="$space\:\:delete_$token->[1]"; + { + no strict 'refs'; + if (defined &$sub1) { + $result=&$sub1($target,$token,$tagstack,$parstack,$parser,$safeeval,$style); + } + } + } + if (!$result) { + my $endtag='/'.$token->[1]; + my $bodytext=&Apache::lonxml::get_all_text($endtag,$$parser[$#$parser]); + $$parser['-1']->get_token(); + &Apache::lonxml::debug("Deleting :$bodytext: for $token->[1]"); + &Apache::lonxml::end_tag($tagstack,$parstack,$token); + } + return 1; +} + sub get_insert_list { my ($token) = @_; my $result=''; my @tagnums= (); #&Apache::lonxml::debug("keys ".join("\n",sort(keys(%Apache::lonxml::insertlist)))); if ($Apache::lonxml::insertlist{"$token->[1].which"}) { - &Apache::lonxml::debug("Adding1 $token->[1].which"); push (@tagnums, @{ $Apache::lonxml::insertlist{"$token->[1].which"} }); } foreach my $namespace (@Apache::lonxml::namespace) { if ($Apache::lonxml::insertlist{"$namespace".'::'."$token->[1].which"}) { - &Apache::lonxml::debug("Adding2 $namespace".'::'."$token->[1].which"); push (@tagnums, @{ $Apache::lonxml::insertlist{"$namespace".'::'."$token->[1].which"} }); } } @@ -63,7 +169,7 @@ sub get_insert_list { } sub insertlist { - my ($token,$target) = @_; + my ($target,$token) = @_; my $result; if ($target eq 'edit') { my $optionlist= &get_insert_list($token); @@ -72,13 +178,15 @@ sub insertlist { " + } else { + $result=" "; } } return $result; } sub handle_insert { - if (!$ENV{"form.insert_$Apache::lonxml::curdepth"}) { return ''; } + if ($ENV{"form.insert_$Apache::lonxml::curdepth"} eq '') { return ''; } my $result; my $tagnum = $ENV{"form.insert_$Apache::lonxml::curdepth"}; my $func=$Apache::lonxml::insertlist{"$tagnum.function"}; @@ -88,38 +196,116 @@ sub handle_insert { if ($newtag =~ /::/) { ($namespace,$newtag) = split(/::/,$newtag); } $result.="\n<$newtag>\n"; } else { - { - no strict 'refs'; - $result.=&$func(); + if (defined(&$func)) { + { + no strict 'refs'; + $result.=&$func(); + } + } else { + my $newtag=$Apache::lonxml::insertlist{"$tagnum.tag"}; + &Apache::lonxml::error("Unable to insert tag $newtag, $func was not defined."); } } return $result; } +sub insert_responseparam { + return ' + '; +} + +sub insert_formularesponse { + return ' + + + + +'; +} + +sub insert_numericalresponse { + return ' + + + + +'; +} + +sub insert_stringresponse { + return ' + + + + +'; +} + sub insert_optionresponse { return ' + + '; } -sub editfield { - my ($tag,$data,$description,$minwidth,$minheight)=@_; - +sub insert_radiobuttonresponse { + return ' + + + + + +'; +} + +sub insert_displayduedate { return ''; } +sub insert_displaytitle { return ''; } +sub insert_hintpart { + return ' + + + +'; +} + +sub insert_numericalhint { + return ' + +'; +} + +sub insert_startouttext { + return "\n"; +} + +sub insert_script { + return "\n"; +} + +sub textarea_sizes { + my ($data)=@_; my $count=0; my $maxlength=-1; map { $count++; - if (length($_) > $maxlength) { $maxlength = length ($_); } - } split ("\n", $data); - if ($maxlength > 80) { $maxlength = 80; } - if ($maxlength < $minwidth) { $maxlength = $minwidth; } - if ( $count < $minheight) { $count = $minheight; } - if ($description) { - $description="
".$description; - } - return "$description
\n   \n"; -# return "
\n<$tag>
\n   
\n</$tag>
\n"; + if (length($_) > $maxlength) { $maxlength = length($_); } + } split ("\n", $$data); + my $rows = $count; + my $cols = $maxlength; + return ($rows,$cols); +} + +sub editfield { + my ($tag,$data,$description,$minwidth,$minheight)=@_; + + my ($rows,$cols)=&textarea_sizes(\$data); + if ($cols > 80) { $cols = 80; } + if ($cols < $minwidth ) { $cols = $minwidth; } + if ($rows < $minheight) { $rows = $minheight; } + if ($description) { $description="
".$description."
"; } + return "$description\n   \n"; } sub modifiedfield { @@ -141,9 +327,98 @@ sub modifiedfield { return $result; } -sub insert_startouttext { - return "\n\n"; +# Returns a 1 if the token has been modified and you should rebuild the tag +# side-effects, will modify the $token if new values are found +sub get_new_args { + my ($token,$parstack,$safeeval,@args)=@_; + my $rebuild=0; + foreach my $arg (@args) { + #just want the string that it was set to + my $value=$token->[2]->{$arg}; + my $newvalue=$ENV{"form.$Apache::lonxml::curdepth.$arg"}; + &Apache::lonxml::debug(" for:$arg: cur is :$value: new is :$newvalue:"); + if ($value ne $newvalue) { + $token->[2]->{$arg}=$newvalue; + $rebuild=1; + } + } + return $rebuild; } +# looks for /> on start tags +sub rebuild_tag { + my ($token) = @_; + my $result; + if ($token->[0] eq 'S') { + $result = '<'.$token->[1]; + while (my ($key,$val)= each(%{$token->[2]})) { + $val=~s:^\s+|\s+$::g; + $val=~s:"::g; #" + &Apache::lonxml::debug("setting :$key: to :$val:"); + $result.=' '.$key.'="'.$val.'"'; + } + if ($token->[4] =~ m:/>$:) { + $result.=' />'; + } else { + $result.='>'; + } + } elsif ( $token->[0] eq 'E' ) { + $result = '[1].'>'; + } + return $result; +} + +sub text_arg { + my ($description,$name,$token,$size) = @_; + my $result; + if (!defined $size) { $size=20; } + my $arg=$token->[2]{$name}; + $result=$description.''; + return $result; +} + +sub select_arg { + my ($description,$name,$list,$token) = @_; + my $result; + my $optionlist=""; + my $selected=$token->[2]{$name}; + foreach my $option (@$list) { + if ( $selected eq $option ) { + $optionlist.="\n"; + } else { + $optionlist.="\n"; + } + } + $result.=$description.''; + return $result; +} + +sub select_or_text_arg { + my ($description,$name,$list,$token,$size) = @_; + my $result; + my $optionlist=""; + my $found=0; + my $selected=$token->[2]{$name}; + foreach my $option (@$list) { + if ( $selected eq $option ) { + $optionlist.="\n"; + $found=1; + } else { + $optionlist.="\n"; + } + } + $optionlist.="\n"; + if ($found) { + $result.=$description.''; + } else { + $result.=&text_arg($description,$name,$token,$size); + } + return $result; +} 1; __END__ 500 Internal Server Error

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