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Diff for /loncom/homework/edit.pm between versions 1.102 and 1.126

version 1.102, 2006/05/30 12:45:36 version 1.126, 2010/06/04 23:03:55
Line 26 Line 26
 # http://www.lon-capa.org/  # http://www.lon-capa.org/
 #  #
   
   =pod
   
   =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 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 editline(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
   
   =cut
   
 package Apache::edit;   package Apache::edit; 
   
 use strict;  use strict;
Line 61  sub tag_start { Line 165  sub tag_start {
     if (!$description) { $description="&lt;$tag&gt;"; }      if (!$description) { $description="&lt;$tag&gt;"; }
  }   }
  $result.= &start_table($token)."<tr><td>$description</td>   $result.= &start_table($token)."<tr><td>$description</td>
                       <td>Delete".                        <td>".&mt('Delete?').' '.
       &deletelist($target,$token)        &deletelist($target,$token)
       ."</td>        ."</td>
                        <td>".                         <td>".
Line 90  sub tag_end { Line 194  sub tag_end {
   
 sub start_table {  sub start_table {
     my ($token)=@_;      my ($token)=@_;
     my $tag = $token->[1];      my $tag = &Apache::lonxml::get_tag($token);
     my $tagnum;      
     foreach my $namespace (reverse @Apache::lonxml::namespace) {      my $color = $Apache::lonxml::insertlist{"$tag.color"};
  my $testtag=$namespace.'::'.$tag;      &Apache::lonxml::debug(" $tag -- $color");
  $tagnum=$Apache::lonxml::insertlist{"$testtag.num"};  
  &Apache::lonxml::debug(" $testtag ");  
  if (defined($tagnum)) { last; }  
     }  
     if (!defined ($tagnum)) {$tagnum=$Apache::lonxml::insertlist{"$tag.num"};}  
     my $color = $Apache::lonxml::insertlist{"$tagnum.color"};  
     &Apache::lonxml::debug(" $tagnum -- $color");  
     if (!defined($color)) {      if (!defined($color)) {
  $color = $Apache::edit::colorlist[$Apache::edit::colordepth];   $color = $Apache::edit::colorlist[$Apache::edit::colordepth];
     }      }
     $Apache::edit::colordepth++;      $Apache::edit::colordepth++;
     push(@Apache::edit::inserttag,$token->[1]);      push(@Apache::edit::inserttag,$token->[1]);
     my $result='<div align="right">';      my $result='<div align="right">';
     $result.='<table bgcolor="'.$color.'" width="97%" border="0" cellspacing="5" cellpadding="3">';      $result.='<table bgcolor="'.$color.'" width="97%" border="0" cellspacing="3" cellpadding="2">';
     return $result;      return $result;
 }  }
   
Line 119  sub end_table { Line 216  sub end_table {
     my ($tagname,$closingtag);      my ($tagname,$closingtag);
     if (defined($Apache::edit::inserttag[-2])) {      if (defined($Apache::edit::inserttag[-2])) {
  $tagname=$Apache::edit::inserttag[-2];   $tagname=$Apache::edit::inserttag[-2];
     } else {$tagname='problem';}      } else {
    if ($Apache::lonhomework::parsing_a_task) {
       $tagname='Task';
    } else {
       $tagname='problem';
    }
       }
     if (defined($Apache::edit::inserttag[-1])) {      if (defined($Apache::edit::inserttag[-1])) {
  $closingtag=$Apache::edit::inserttag[-1];   $closingtag=$Apache::edit::inserttag[-1];
     }      }
     $result.=&innerinsertlist('edit',$tagname,$closingtag).      $result.=&innerinsertlist('edit',$tagname,$closingtag).
  "</td></tr></table></div>";   "</td></tr></table></div>";
     pop(@Apache::edit::inserttag);      my $last = pop(@Apache::edit::inserttag);
     return $result;      return $result;
 }  }
   
 sub start_spanning_row { return '<tr><td colspan="4" bgcolor="#DDDDDD">';}  sub start_spanning_row { return '<tr><td colspan="5" bgcolor="#F0F0F0">';}
 sub start_row          { return '<tr><td bgcolor="#DDDDDD">';            }  sub start_row          { return '<tr><td bgcolor="#DDDDDD">';            }
 sub end_row            { return '</td></tr>';          }  sub end_row            { return '</td></tr>';          }
   
Line 146  sub deletelist { Line 249  sub deletelist {
     my ($target,$token) = @_;      my ($target,$token) = @_;
     my $result = "<select name=\"delete_$Apache::lonxml::curdepth\">      my $result = "<select name=\"delete_$Apache::lonxml::curdepth\">
 <option></option>  <option></option>
 <option>Yes</option>  <option>".&mt('yes')."</option>
 </select>";  </select>";
     return $result;      return $result;
 }  }
Line 177  sub handle_delete { Line 280  sub handle_delete {
 sub get_insert_list {  sub get_insert_list {
     my ($tagname) = @_;      my ($tagname) = @_;
     my $result='';      my $result='';
     my @tagnums= ();      my @tags= ();
     #&Apache::lonxml::debug("keys ".join("\n",sort(keys(%Apache::lonxml::insertlist))));      #&Apache::lonxml::debug("keys ".join("\n",sort(keys(%Apache::lonxml::insertlist))));
     if ($Apache::lonxml::insertlist{"$tagname.which"}) {      if ($Apache::lonxml::insertlist{"$tagname.which"}) {
  push (@tagnums, @{ $Apache::lonxml::insertlist{"$tagname.which"} });   push (@tags, @{ $Apache::lonxml::insertlist{"$tagname.which"} });
     }      }
     foreach my $namespace (@Apache::lonxml::namespace) {      foreach my $namespace (@Apache::lonxml::namespace) {
  if ($Apache::lonxml::insertlist{"$namespace".'::'."$tagname.which"}) {   if ($Apache::lonxml::insertlist{"$namespace".'::'."$tagname.which"}) {
     push (@tagnums, @{ $Apache::lonxml::insertlist{"$namespace".'::'."$tagname.which"} });      push (@tags, @{ $Apache::lonxml::insertlist{"$namespace".'::'."$tagname.which"} });
  }   }
     }      }
     if (@tagnums) {      if (@tags) {
  my %options;   my %options;
  foreach my $tagnum (@tagnums) {   foreach my $tag (@tags) {
     my $descrip=$Apache::lonxml::insertlist{"$tagnum.description"};      my $descrip=$Apache::lonxml::insertlist{"$tag.description"};
       my $tagnum =$Apache::lonxml::insertlist{"$tag.num"};
     $options{$descrip} ="<option value=\"$tagnum\">".      $options{$descrip} ="<option value=\"$tagnum\">".
  $descrip."</option>\n";   $descrip."</option>\n";
  }   }
Line 215  sub innerinsertlist { Line 319  sub innerinsertlist {
     if ($target eq 'edit') {      if ($target eq 'edit') {
  my $optionlist= &get_insert_list($tagname);   my $optionlist= &get_insert_list($tagname);
  if ($optionlist) {   if ($optionlist) {
     $result = "Insert:      $result = &mt('Insert:')."
             <select name=\"insert$after\_$Apache::lonxml::curdepth\">              <select name=\"insert$after\_$Apache::lonxml::curdepth\">
                   $optionlist                    $optionlist
             </select>"              </select>"
Line 228  sub innerinsertlist { Line 332  sub innerinsertlist {
   
 sub handle_insert {  sub handle_insert {
     if ($env{"form.insert_$Apache::lonxml::curdepth"} eq '') { return ''; }      if ($env{"form.insert_$Apache::lonxml::curdepth"} eq '') { return ''; }
     my $result;  
     my $tagnum = $env{"form.insert_$Apache::lonxml::curdepth"};      my $tagnum = $env{"form.insert_$Apache::lonxml::curdepth"};
     my $func=$Apache::lonxml::insertlist{"$tagnum.function"};      return &do_insert($tagnum);
     if ($func eq 'default') {  
  my $newtag=$Apache::lonxml::insertlist{"$tagnum.tag"};  
  my $namespace;  
  if ($newtag =~ /::/) { ($namespace,$newtag) = split(/::/,$newtag); }  
  $result.="\n<$newtag>\n</$newtag>";  
     } else {  
  if (defined(&$func)) {  
     {  
  no strict 'refs';  
  $result.=&$func();  
     }  
  } else {  
     my $newtag=$Apache::lonxml::insertlist{"$tagnum.tag"};  
     &Apache::lonxml::error("Unable to insert tag ".$Apache::lonxml::curdepth." ($tagnum) $newtag, func was not defined.");  
  }  
     }  
     return $result;  
 }  }
   
 sub handle_insertafter {  sub handle_insertafter {
     my $tagname=shift;      my $tagname=shift;
     if ($env{"form.insert_after_$tagname\_$Apache::lonxml::curdepth"} eq '')      if ($env{"form.insert_after_$tagname\_$Apache::lonxml::curdepth"} eq '') {
     { return ''; }   return '';
     my $result;      }
     my $tagnum =$env{"form.insert_after_$tagname\_$Apache::lonxml::curdepth"};      my $tagnum =$env{"form.insert_after_$tagname\_$Apache::lonxml::curdepth"};
     my $func=$Apache::lonxml::insertlist{"$tagnum.function"};      return &do_insert($tagnum,1);
   }
   
   sub do_insert {
       my ($tagnum,$after) = @_;
       my $result;
   
       my $newtag = $Apache::lonxml::insertlist{"$tagnum.tag"};
       my $func   = $Apache::lonxml::insertlist{"$newtag.function"};
     if ($func eq 'default') {      if ($func eq 'default') {
  my $newtag=$Apache::lonxml::insertlist{"$tagnum.tag"};  
  my $namespace;   my $namespace;
  if ($newtag =~ /::/) { ($namespace,$newtag) = split(/::/,$newtag); }   if ($newtag =~ /::/) { ($namespace,$newtag) = split(/::/,$newtag); }
  $result.="\n<$newtag>\n</$newtag>";   my $depth = scalar(@Apache::lonxml::depthcounter);
    $depth -- if ($after);
    my $inset = "\t"x$depth;
    $result.="\n$inset<$newtag></$newtag>";
     } else {      } else {
  if (defined(&$func)) {   if (defined(&$func)) {
     {      {
Line 269  sub handle_insertafter { Line 365  sub handle_insertafter {
  $result.=&$func();   $result.=&$func();
     }      }
  } else {   } else {
     my $newtag=$Apache::lonxml::insertlist{"$tagnum.tag"};      &Apache::lonxml::error("Unable to insert tag $newtag, $func was not defined. ($tagnum)");
     &Apache::lonxml::error("Unable to insert (after) tag $newtag, $func was not defined. ($tagname $tagnum)");  
  }   }
     }      }
     return $result;      return $result;
Line 333  sub insert_customresponse_answer { Line 428  sub insert_customresponse_answer {
 ';  ';
 }  }
   
   sub insert_customhint {
       return '
           <customhint>
               <answer type="loncapa/perl">
               </answer>
           </customhint>';
   }
   
   sub insert_customhint_answer {
       return '
               <answer type="loncapa/perl">
               </answer>
   ';
   }
   
   sub insert_mathresponse {
       return '
   <mathresponse>
       <answer>
       </answer>
       <textline />
       <hintgroup>
           <startouttext />
           <endouttext />
       </hintgroup>
   </mathresponse>';
   }
   
   sub insert_mathresponse_answer {
       return '
       <answer>
       </answer>
   ';
   }
   
   sub insert_mathhint {
       return '
           <mathhint>
               <answer>
               </answer>
           </mathhint>';
   }
   
   sub insert_mathhint_answer {
       return '
               <answer>
               </answer>
   ';
   }
   
 sub insert_stringresponse {  sub insert_stringresponse {
     return '      return '
 <stringresponse answer="" type="">  <stringresponse answer="" type="">
Line 469  sub insert_numericalhint { Line 614  sub insert_numericalhint {
 </numericalhint>';  </numericalhint>';
 }  }
   
   sub insert_reactionhint {
       return '
   <reactionhint>
   </reactionhint>';
   }
   
   sub insert_organichint {
       return '
   <organichint>
   </organichint>';
   }
   
 sub insert_stringhint {  sub insert_stringhint {
     return '      return '
 <stringhint>  <stringhint>
Line 536  sub element_change_detection { Line 693  sub element_change_detection {
 }  }
   
 sub submit_ask_anyway {  sub submit_ask_anyway {
     return ' onclick="still_ask=true;" ';      my ($extra_action) = @_;
       return ' onclick="still_ask=true;'.$extra_action.'" ';
 }  }
   
 sub textarea_sizes {  sub textarea_sizes {
Line 556  sub textarea_sizes { Line 714  sub textarea_sizes {
 sub editline {  sub editline {
     my ($tag,$data,$description,$size)=@_;      my ($tag,$data,$description,$size)=@_;
     $data=&HTML::Entities::encode($data,'<>&"');      $data=&HTML::Entities::encode($data,'<>&"');
     if ($description) { $description="<br />".$description."<br />"; }      if ($description) { $description=$description."<br />"; }
     my $change_code = &element_change_detection();      my $change_code = &element_change_detection();
     my $result = <<"END";      my $result = <<"END";
 $description  $description
Line 578  sub editfield { Line 736  sub editfield {
     if ($cols > 80) { $cols = 80; }      if ($cols > 80) { $cols = 80; }
     if ($cols < $minwidth ) { $cols = $minwidth; }      if ($cols < $minwidth ) { $cols = $minwidth; }
     if ($rows < $minheight) { $rows = $minheight; }      if ($rows < $minheight) { $rows = $minheight; }
     if ($description) { $description="<br />".$description."<br />"; }      if ($description) { $description=$description."<br />"; }
     if ($usehtmlarea) {      if ($usehtmlarea) {
  &Apache::lonhtmlcommon::add_htmlareafields('homework_edit_'.   &Apache::lonhtmlcommon::add_htmlareafields('homework_edit_'.
    $Apache::lonxml::curdepth);     $Apache::lonxml::curdepth);
     }      }
     return $description."\n".'&nbsp;&nbsp;&nbsp;<textarea style="width:100%" rows="'.$rows.      # remove typesetting whitespace from between data and the end tag
       # to make the edit look prettier
       $data =~ s/\n?[ \t]*$//;
   
       return $description."\n".'<textarea style="width:100%" rows="'.$rows.
  '" cols="'.$cols.'" name="homework_edit_'.   '" cols="'.$cols.'" name="homework_edit_'.
  $Apache::lonxml::curdepth.'" id="homework_edit_'.   $Apache::lonxml::curdepth.'" id="homework_edit_'.
  $Apache::lonxml::curdepth.'" '.&element_change_detection().'>'.   $Apache::lonxml::curdepth.'" '.&element_change_detection().'>'.
Line 595  sub editfield { Line 757  sub editfield {
 sub modifiedfield {  sub modifiedfield {
     my ($endtag,$parser) = @_;      my ($endtag,$parser) = @_;
     my $result;      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"};      $result=$env{"form.homework_edit_$Apache::lonxml::curdepth"};
     my $bodytext=&Apache::lonxml::get_all_text($endtag,$parser);      my $bodytext=&Apache::lonxml::get_all_text($endtag,$parser);
     # textareas throw away intial \n       # textareas throw away intial \n 
     if ($bodytext=~/^\n/) { $result="\n".$result; }      if ($bodytext=~/^\n/) {
    $result="\n".$result;
       }
       # if there is typesetting whitespace from between the data and the end tag
       # restore to keep the source looking pretty
       if ($bodytext =~ /(\n?[ \t]*)$/) {
    $result .= $1;
       }
     return $result;      return $result;
 }  }
   
Line 625  sub get_new_args { Line 789  sub get_new_args {
  $token->[2]->{$arg}=$newvalue;   $token->[2]->{$arg}=$newvalue;
     }      }
     $rebuild=1;      $rebuild=1;
       # add new attributes to the of the attribute seq
       if (!grep { $arg eq $_ } (@{ $token->[3] })) {
    push(@{ $token->[3] },$arg);
       }
  } elsif (!defined($newvalue) && defined($value)) {   } elsif (!defined($newvalue) && defined($value)) {
     delete($token->[2]->{$arg});      delete($token->[2]->{$arg});
     $rebuild=1;      $rebuild=1;
Line 639  sub rebuild_tag { Line 807  sub rebuild_tag {
     my $result;      my $result;
     if ($token->[0] eq 'S') {      if ($token->[0] eq 'S') {
  $result = '<'.$token->[1];   $result = '<'.$token->[1];
  while (my ($key,$val)= each(%{$token->[2]})) {   foreach my $attribute (@{ $token->[3] }) {
     $val=~s:^\s+|\s+$::g;      my $value = $token->[2]{$attribute};
     $val=~s:"::g; #"      next if ($value eq '');
     &Apache::lonxml::debug("setting :$key: to  :$val:");      $value =~s/^\s+|\s+$//g;
     $result.=' '.$key.'="'.$val.'"';      $value =~s/\"//g;
       &Apache::lonxml::debug("setting :$attribute: to  :$value:");
       $result.=' '.$attribute.'="'.$value.'"';
  }   }
  if ($token->[4] =~ m:/>$:) {   if ($token->[4] =~ m:/>$:) {
     $result.=' />';      $result.=' />';
Line 686  sub checked_arg { Line 856  sub checked_arg {
     $text=$option;      $text=$option;
     $value='value="'.$option.'"';      $value='value="'.$option.'"';
  }   }
  $result.="<nobr><label><input type='checkbox' $value name='".   $result.='<span class="LC_nobreak"><label><input type="checkbox" '.$value.' name="'.
     &html_element_name($name)."'";      &html_element_name($name).'"';
  foreach my $selected (split(/,/,$allselected)) {   foreach my $selected (split(/,/,$allselected)) {
     if ( $selected eq $option ) {      if ( $selected eq $option ) {
  $result.=" checked='checked' ";   $result.=' checked="checked" ';
  last;   last;
     }      }
  }   }
  $result.=&element_change_detection()." />$text</label></nobr>\n";   $result.=&element_change_detection().' />'.$text.'</label></span>'."\n";
     }      }
     return $result;      return $result;
 }  }
Line 707  sub text_arg { Line 877  sub text_arg {
     $result=&mt($description).'&nbsp;<input name="'.&html_element_name($name).      $result=&mt($description).'&nbsp;<input name="'.&html_element_name($name).
  '" type="text" value="'.$arg.'" size="'.$size.'" '.   '" type="text" value="'.$arg.'" size="'.$size.'" '.
  &element_change_detection().'/>';   &element_change_detection().'/>';
     return '<nobr>'.$result.'</nobr>';      return '<span class="LC_nobreak">'.$result.'</span>';
 }  }
   
 sub select_arg {  sub select_arg {
Line 715  sub select_arg { Line 885  sub select_arg {
     my $result;      my $result;
     my $optionlist="";      my $optionlist="";
     my $selected=$token->[2]{$name};      my $selected=$token->[2]{$name};
     foreach my $option (@$list) {      if (ref($list) eq 'ARRAY') {
  my ($text,$value);          foreach my $option (@{$list}) {
  if ( ref($option) eq 'ARRAY') {      my ($text,$value);
     $value='value="'.&HTML::Entities::encode($$option[0]).'"';      if (ref($option) eq 'ARRAY') {
     $text=$$option[1];          $value='value="'.&HTML::Entities::encode($option->[0]).'"';
     $option=$$option[0];          $text=$option->[1];
  } else {          $option=$option->[0];
     $text=$option;      } else {
     $value='value="'.&HTML::Entities::encode($option,'\'"&<>').'"';          $text=$option;
  }          $value='value="'.&HTML::Entities::encode($option,'\'"&<>').'"';
  if ( $selected eq $option ) {      }
     $optionlist.="<option $value selected=\"selected\">$text</option>\n";      if ( $selected eq $option ) {
  } else {          $optionlist.="<option $value selected=\"selected\">".&mt($text)."</option>\n";
     $optionlist.="<option $value >$text</option>\n";      } else {
  }          $optionlist.="<option $value >".&mt($text)."</option>\n";
       }
           }
     }      }
     $result.='<nobr>'.$description.'&nbsp;<select name="'.      $result.='<span class="LC_nobreak">'.&mt($description).'&nbsp;<select name="'.
  &html_element_name($name).'" '.&element_change_detection().' >   &html_element_name($name).'" '.&element_change_detection().' >
        '.$optionlist.'         '.$optionlist.'
       </select></nobr>';        </select></span>';
     return $result;      return $result;
 }  }
   
Line 744  sub select_or_text_arg { Line 916  sub select_or_text_arg {
     my $optionlist="";      my $optionlist="";
     my $found=0;      my $found=0;
     my $selected=$token->[2]{$name};      my $selected=$token->[2]{$name};
     foreach my $option (@$list) {      if (ref($list) eq 'ARRAY') {
  my ($text,$value);          foreach my $option (@{$list}) {
  if ( ref($option) eq 'ARRAY') {      my ($text,$value);
     $value='value="'.&HTML::Entities::encode($$option[0]).'"';      if (ref($option) eq 'ARRAY') {
     $text=$$option[1];          $value='value="'.&HTML::Entities::encode($option->[0]).'"';
     $option=$$option[0];          $text=$option->[1];
  } else {          $option=$option->[0];
     $text=$option;      } else {
     $value='value="'.&HTML::Entities::encode($option,'\'"&<>').'"';          $text=$option;
  }          $value='value="'.&HTML::Entities::encode($option,'\'"&<>').'"';
  if ( $selected eq $option ) {      }
     $optionlist.="<option $value selected=\"selected\">$text</option>\n";      if ( $selected eq $option ) {
     $found=1;          $optionlist.="<option $value selected=\"selected\">$text</option>\n";
  } else {          $found=1;
     $optionlist.="<option $value>$text</option>\n";      } else {
  }          $optionlist.="<option $value>$text</option>\n";
       }
           }
     }      }
     $optionlist.="<option value=\"TYPEDINVALUE\"".      $optionlist.="<option value=\"TYPEDINVALUE\"".
   ((!$found)?' selected="selected"':'').    ((!$found)?' selected="selected"':'').
Line 780  sub select_or_text_arg { Line 954  sub select_or_text_arg {
     $description=&mt($description);      $description=&mt($description);
 #  #
     return (<<ENDSELECTORTYPE);      return (<<ENDSELECTORTYPE);
 <nobr>  <span class="LC_nobreak">
 $description  $description
 &nbsp;<select name="$selectelement"  &nbsp;<select name="$selectelement"
 onChange="if ($selectedvalue!='TYPEDINVALUE') { $hiddenvalue=$selectedvalue; $typedinvalue=''; }" >  onChange="if ($selectedvalue!='TYPEDINVALUE') { $hiddenvalue=$selectedvalue; $typedinvalue=''; }" >
Line 791  $optionlist Line 965  $optionlist
 onChange="$hiddenvalue=$typedinvalue;"  onChange="$hiddenvalue=$typedinvalue;"
 onFocus="$selectedindex=$selecttypeinindex-1;" />  onFocus="$selectedindex=$selecttypeinindex-1;" />
 <input type="hidden" name="$element" value="$selected" $change_code />  <input type="hidden" name="$element" value="$selected" $change_code />
 </nobr>  </span>
 ENDSELECTORTYPE  ENDSELECTORTYPE
 }  }
   
Line 826  sub entercoords { Line 1000  sub entercoords {
  $data{"imagechoice.$id.formwidth"}=$width.'_'.   $data{"imagechoice.$id.formwidth"}=$width.'_'.
     $Apache::edit::bgimgsrccurdepth;      $Apache::edit::bgimgsrccurdepth;
     }      }
     &Apache::lonnet::appenv(%data);      &Apache::lonnet::appenv(\%data);
     my $text="Click Coordinates";      my $text="Click Coordinates";
     my $result='<a href="/adm/imagechoice?token='.$id.'" target="imagechoice">'.$text.'</a>';      my $result='<a href="/adm/imagechoice?token='.$id.'" target="imagechoice">'.$text.'</a>';
     return $result;      return $result;
Line 859  sub entercoord { Line 1033  sub entercoord {
  $data{"imagechoice.$id.formwidth"}=$width.'_'.   $data{"imagechoice.$id.formwidth"}=$width.'_'.
     $Apache::edit::bgimgsrccurdepth;      $Apache::edit::bgimgsrccurdepth;
     }      }
     &Apache::lonnet::appenv(%data);      &Apache::lonnet::appenv(\%data);
     my $text="Enter Coordinates";      my $text="Enter Coordinates";
     if ($type eq 'polygon') { $text='Create Polygon Data'; }      if ($type eq 'polygon') { $text='Create Polygon Data'; }
     my $result='<a href="/adm/imagechoice?token='.$id.'" target="imagechoice">'.$text.'</a>';      my $result='<a href="/adm/imagechoice?token='.$id.'" target="imagechoice">'.$text.'</a>';
Line 867  sub entercoord { Line 1041  sub entercoord {
 }  }
   
 sub deletecoorddata {  sub deletecoorddata {
     &Apache::lonnet::delenv("imagechoice\\.");      &Apache::lonnet::delenv('imagechoice.');
 }  }
   
 #----------------------------------------------------- browse  #----------------------------------------------------- browse
 sub browse {  sub browse {
     # insert a link to call up the filesystem browser (lonindexer)      # insert a link to call up the filesystem browser (lonindexer)
     my ($id, $mode, $titleid) = @_;      my ($id, $mode, $titleid, $only) = @_;
     my $form    = 'lonhomework';      my $form    = 'lonhomework';
     my $element;      my $element;
     if (! defined($mode) || $mode eq 'attribute') {      if (! defined($mode) || $mode eq 'attribute') {
Line 884  sub browse { Line 1058  sub browse {
     }      }
     my $titleelement;      my $titleelement;
     if ($titleid) {      if ($titleid) {
  $titleelement=",'','','".&escape("$titleid\_$Apache::lonxml::curdepth")."'";   $titleelement=",'$only','','".&escape("$titleid\_$Apache::lonxml::curdepth")."'";
       } else {
           $titleelement=",'$only'";
     }      }
     my $result = <<"ENDBUTTON";      my $result = <<"ENDBUTTON";
 <a href=\"javascript:openbrowser('$form','$element'$titleelement)\"\>Select</a>  <a href=\"javascript:openbrowser('$form','$element'$titleelement)\"\>Select</a>
Line 918  ENDBUTTON Line 1094  ENDBUTTON
 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 *  
 editline(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.1.102  
changed lines
  Added in v.1.126

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