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Diff for /loncom/homework/edit.pm between versions 1.25 and 1.31

version 1.25, 2001/12/04 14:47:33 version 1.31, 2002/03/22 14:45:11
Line 26 Line 26
 # http://www.lon-capa.org/  # http://www.lon-capa.org/
 #  #
 # 3/20 Guy  # 3/20 Guy
   # 01/10/02 Matthew
   # 03/06/02 Matthew
 package Apache::edit;   package Apache::edit; 
   
 use strict;  use strict;
Line 55  sub tag_start { Line 57  sub tag_start {
   &deletelist($target,$token)    &deletelist($target,$token)
   ."</td>    ."</td>
 <td>".  <td>".
   &insertlist($target,$token).      &insertlist($target,$token).&end_row().&start_spanning_row();
     "</td>  #<td>". 
 </tr><tr><td colspan=\"3\">\n";  
 #<td>".  
 #  &movebuttons($target,$token).  #  &movebuttons($target,$token).
 #    "</tr><tr><td colspan=\"3\">\n";  #    "</tr><tr><td colspan=\"3\">\n";
   }    }
Line 105  sub end_table { Line 105  sub end_table {
   return $result;    return $result;
 }  }
   
   sub start_spanning_row { return '<tr><td colspan="3">';}
   sub start_row          { return '<tr><td>';            }
   sub end_row            { return '</td></tr>';          }
   
 sub movebuttons {  sub movebuttons {
   my ($target,$token) = @_;    my ($target,$token) = @_;
   my $result='<input type="submit" name="moveup.'.    my $result='<input type="submit" name="moveup.'.
Line 289  sub textarea_sizes { Line 293  sub textarea_sizes {
   my ($data)=@_;    my ($data)=@_;
   my $count=0;    my $count=0;
   my $maxlength=-1;    my $maxlength=-1;
   map { $count++;    foreach (split ("\n", $$data)) { $count++;
  if (length($_) > $maxlength) { $maxlength = length($_); }   if (length($_) > $maxlength) { $maxlength = length($_); }
       } split ("\n", $$data);        }
   my $rows = $count;    my $rows = $count;
   my $cols = $maxlength;    my $cols = $maxlength;
   return ($rows,$cols);    return ($rows,$cols);
 }  }
   
   sub textfield {
       my ($tag,$data,$description,$size)=@_;
       if ($description) { $description="<br />".$description."<br />"; }
       my $result = <<"END";
   $description
   <input type="text" name="homework_edit_$Apache::lonxml::curdepth" 
          value="$data" size="$size" />
   END
       return $result;
   }
   
 sub editfield {  sub editfield {
   my ($tag,$data,$description,$minwidth,$minheight)=@_;    my ($tag,$data,$description,$minwidth,$minheight)=@_;
   
Line 317  sub modifiedfield { Line 332  sub modifiedfield {
 #  &Apache::lonxml::debug("I want homework_edit_$Apache::lonxml::curdepth");  #  &Apache::lonxml::debug("I want homework_edit_$Apache::lonxml::curdepth");
 #  &Apache::lonxml::debug($ENV{"form.homework_edit_$Apache::lonxml::curdepth"});  #  &Apache::lonxml::debug($ENV{"form.homework_edit_$Apache::lonxml::curdepth"});
   $result=$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;    return $result;
 }  }
   
Line 392  sub select_arg { Line 400  sub select_arg {
   }    }
   $result.=$description.'<select name="'."$Apache::lonxml::curdepth.$name".'">    $result.=$description.'<select name="'."$Apache::lonxml::curdepth.$name".'">
        '.$optionlist.'         '.$optionlist.'
       </select></td></tr><tr><td colspan="3">';        </select>';
   return $result;    return $result;
 }  }
   
Line 414  sub select_or_text_arg { Line 422  sub select_or_text_arg {
   if ($found) {    if ($found) {
     $result.=$description.'<select name="'."$Apache::lonxml::curdepth.$name".'">      $result.=$description.'<select name="'."$Apache::lonxml::curdepth.$name".'">
        '.$optionlist.'         '.$optionlist.'
       </select></td></tr><tr><td colspan="3">';        </select>';
   } else {    } else {
     $result.=&text_arg($description,$name,$token,$size);      $result.=&text_arg($description,$name,$token,$size);
   }    }
   return $result;    return $result;
 }  }
   
   #----------------------------------------------------- browse
   sub browse {
       # insert a link to call up the filesystem browser (lonindexer)
       $_ = shift;
       my $form    = 'lonhomework';
       my $element = &Apache::lonnet::escape("$Apache::lonxml::curdepth.$_");
       my $result = <<"ENDBUTTON";
   <a href=\"javascript:openbrowser('$form','$element')\"\>Browse</a>
   ENDBUTTON
       return $result;
   }
   
   #----------------------------------------------------- browse
   sub search {
       # insert a link to call up the filesystem browser (lonindexer)
       $_ = shift;
       my $form    = 'lonhomework';
       my $element = &Apache::lonnet::escape("$Apache::lonxml::curdepth.$_");
       my $result = <<"ENDBUTTON";
   <a href=\"javascript:opensearcher('$form','$element')\"\>Search</a>
   ENDBUTTON
       return $result;
   }
   
   
 1;  1;
 __END__  __END__
   
   =head1 NAME
   
   Apache::edit - edit mode helpers
   
   =head1 SYNOPSIS
   
   Invoked by many homework and xml related modules.
   
    &Apache::edit::SUBROUTINENAME(ARGUMENTS);
   
   =head1 INTRODUCTION
   
   This module outputs HTML syntax helpful for the rendering of edit
   mode interfaces.
   
   This is part of the LearningOnline Network with CAPA project
   described at http://www.lon-capa.org.
   
   =head1 HANDLER SUBROUTINE
   
   There is no handler subroutine.
   
   =head1 OTHER SUBROUTINES
   
   =over 4
   
   =item *
   
   initialize_edit() : initialize edit (set colordepth to zero)
   
   =item *
   
   tag_start($target,$token,$description) : provide deletion and insertion lists
   for the manipulation of a start tag; return a scalar string
   
   =item *
   
   tag_end($target,$token,$description) : ending syntax corresponding to
   &tag_start. return a scalar string.
   
   =item *
   
   start_table($token) : start table; update colordepth; return scalar string.
   
   =item *
   
   end_table() : reduce color depth; end table; return scalar string
   
   =item *
   
   start_spanning_row() : start a new table row spanning the 'edit' environment.
   
   =item *
   
   start_row() : start a new table row and element. 
   
   =item *
   
   end_row() : end current table element and row.
   
   =item *
   
   movebuttons($target,$token) : move-up and move-down buttons; return scalar
   string
   
   =item *
   
   deletelist($target,$token) : provide a yes option in an HTML select element;
   return scalar string
   
   =item *
   
   handle_delete($space,$target,$token,$tagstack,$parstack,$parser,$safeeval,
   $style) : respond to a user delete request by passing relevant stack
   and array information to various rendering functions; return a scalar string
   
   =item *
   
   get_insert_list($token) : provide an insertion list based on possibilities
   from lonxml; return a scalar string
   
   =item *
   
   insertlist($target,$token) : api that uses get_insert_list;
   return a scalar string
   
   =item *
   
   handleinsert($token) : provide an insertion list based on possibilities
   from lonxml; return a scalar string
   
   =item *
   
   get_insert_list($token) : provide an insertion list based on possibilities
   from lonxml; return a scalar string
   
   =item *
   browse($elementname) : provide a link which will open up the filesystem
   browser (lonindexer) and, once a file is selected, place the result in
   the form element $elementname.
   
   =item *
   search($elementname) : provide a link which will open up the filesystem
   searcher (lonsearchcat) and, once a file is selected, place the result in
   the form element $elementname.
   
   = item *
   textfield(tag,data,description,size): Provide a <input type="text" ../> for
   single-line text entry.  This is to be used for text enclosed by tags, not
   arguements/parameters associated with a tag.
   
   =back
   
   incomplete...
   
   =cut
Removed from v.1.25  
changed lines
  Added in v.1.31

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