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Diff for /loncom/homework/edit.pm between versions 1.1 and 1.12

version 1.1, 2001/03/22 21:21:29 version 1.12, 2001/06/16 20:33:33
Line 6  package Apache::edit; Line 6  package Apache::edit;
 use strict;  use strict;
 use Apache::lonnet;  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 {  sub tag_start {
   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$description) = @_;
   my $result='';    my $result='';
     if ($target eq "edit") {
   $result.="<table border=\"1\"><tr><td>&lt;$token->[1]&gt;</td>      my $tag=$token->[1];
 <td><input type=\"submit\" name=\"delete_$Apache::lonxml::curdepth\" value=\"Delete\" /></td>      if (!$description) { $description="&lt;$tag&gt;"; }
 <td><input type=\"submit\" name=\"insert_$Apache::lonxml::curdepth\" value=\"Insert\" /></td>      $result.= &start_table($token)."<tr><td>$description</td>
   <td>Delete:".
     &deletelist($target,$token)
     ."</td>
   <td>".
     &insertlist($target,$token).
       "</td>
 </tr><tr><td colspan=\"3\">\n";  </tr><tr><td colspan=\"3\">\n";
     }
   return $result;    return $result;
 }  }
   
 sub tag_end {  sub tag_end {
   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$description) = @_;
   my $result='';    my $result='';
     if ($target eq 'edit') {
       my $tag=$token->[1];
       if (!defined($description)) {
         $result.="</td></tr><tr><td>&lt;/$tag&gt;";
       } else {
         if ($description ne '') { $result.="</td></tr><tr><td>$description"; }
       }
       $result.="</tr>".&end_table()."\n";
     }
     return $result;
   }
   
   sub start_table {
     my ($token)=@_;
     my $tag = $token->[1];
     my $tagnum;
     foreach my $namespace (reverse @Apache::lonxml::namespace) {
       my $testtag=$Apache::lonxml::namespace['-1'].'::'.$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 $result="<table bgcolor=\"$color\" width=\"100%\" border=\"5\">";
     return $result;
   }
   
   $result.="</td></tr><tr><td>&lt;/$token->[1]&gt;</td></tr></table>\n";  sub end_table {
     $Apache::edit::colordepth--;
     my $result="</table>";
   return $result;    return $result;
 }  }
   
   sub deletelist {
     my ($target,$token) = @_;
     my $result = "<select name=\"delete_$Apache::lonxml::curdepth\">
   <option>Nothing</option>
   <option>Tag</option>
   <option>Subtags</option>
   </select>";
     return $result;
   }
   
   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"}) {
       push (@tagnums, @{ $Apache::lonxml::insertlist{"$token->[1].which"} });
     }
     foreach my $namespace (@Apache::lonxml::namespace) {
       if ($Apache::lonxml::insertlist{"$namespace".'::'."$token->[1].which"}) {
         push (@tagnums, @{ $Apache::lonxml::insertlist{"$namespace".'::'."$token->[1].which"} });
       }
     }
     if (@tagnums) {
       foreach my $tagnum (@tagnums) {
         $result.='<option value="'.$tagnum.'">'.$Apache::lonxml::insertlist{"$tagnum.description"}."</option>\n";
       }
       if ($result) { $result='<option selected="on"></option>'.$result; }
     }
     return $result;
   }
   
   sub insertlist {
     my ($target,$token) = @_;
     my $result;
     if ($target eq 'edit') {
       my $optionlist= &get_insert_list($token);
       if ($optionlist) {
         $result = "Insert:
   <select name=\"insert_$Apache::lonxml::curdepth\">
   $optionlist
   </select>"
       } else {
         $result="&nbsp;";
       }
     }
     return $result;
   }
   
   sub handle_insert {
     if (!$ENV{"form.insert_$Apache::lonxml::curdepth"}) { return ''; }
     my $result;
     my $tagnum = $ENV{"form.insert_$Apache::lonxml::curdepth"};
     my $func=$Apache::lonxml::insertlist{"$tagnum.function"};
     if ($func eq 'default') {
       my $newtag=$Apache::lonxml::insertlist{"$tagnum.tag"};
       my $namespace;
       if ($newtag =~ /::/) { ($namespace,$newtag) = split(/::/,$newtag); }
       $result.="\n<$newtag>\n</$newtag>";
     } else {
       {
         no strict 'refs';
         $result.=&$func();
       }
     }
     return $result;
   }
   
   sub insert_optionresponse {
     return '
   <optionresponse max="10">
       <foilgroup options="">
       </foilgroup>
   </optionresponse>';
   }
   
   sub editfield {
     my ($tag,$data,$description,$minwidth,$minheight)=@_;
     
     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) {
       $description="<br />".$description."<br />";
     }
     return "$description\n&nbsp;&nbsp;&nbsp;<textarea rows=\"$count\" cols=\"$maxlength\" name=homework_edit_".$Apache::lonxml::curdepth.">$data</textarea>\n";
   #  return "<br />\n&lt;$tag&gt;<br />\n&nbsp;&nbsp;&nbsp;<textarea rows=\"$count\" cols=\"$maxlength\" name=homework_edit_".$Apache::lonxml::curdepth.">$data</textarea><br />\n&lt;/$tag&gt;<br />\n";
   }
   
   sub modifiedfield {
     my ($token) = @_;
     my $result;
   #  foreach my $envkey (sort keys %ENV) {
   #    &Apache::lonxml::debug("$envkey ---- $ENV{$envkey}");
   #  }
   #  &Apache::lonxml::debug("I want homework_edit_$Apache::lonxml::curdepth");
   #  &Apache::lonxml::debug($ENV{"form.homework_edit_$Apache::lonxml::curdepth"});
     $result=$ENV{"form.homework_edit_$Apache::lonxml::curdepth"};
     if (defined $token) {
       if (defined $token->[4]) {
         $result=$token->[4].$result;
       } else {
         $result=$result.$token->[2];
       }
     }
     return $result;
   }
   
   sub insert_startouttext {
     return "\n<startouttext />\n<endouttext />";
   }
   
   # Returns a 1 if the toekn 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) {
       my $value=&Apache::lonxml::get_param($arg,$parstack,$safeeval);
       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;
   }
   
   sub rebuild_tag {
     my ($token) = @_;
     my $result;
     if ($token->[0] eq 'S') {
       $result = '<'.$token->[1];
       while (my ($key,$val)= each(%{$token->[2]})) {
         &Apache::lonxml::debug("setting :$key: to  :$val:");
         $result.=' '.$key.'="'.$val.'"';
       }
       $result.=">";
     } elsif ( $token->[0] eq 'E' ) {
       $result = '</'.$token->[1].'>';
     }
     return $result;
   }
 1;  1;
 __END__  __END__
Removed from v.1.1  
changed lines
  Added in v.1.12

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