[BACK]Return to lonsyllabus.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / interface

Diff for /loncom/interface/lonsyllabus.pm between versions 1.19 and 1.106.2.3

version 1.19, 2003/05/21 20:10:53 version 1.106.2.3, 2010/02/15 20:28:51
Line 29 Line 29
 package Apache::lonsyllabus;  package Apache::lonsyllabus;
   
 use strict;  use strict;
   use Apache::lontemplate;
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
 use Apache::loncommon;  use Apache::loncommon;
 use Apache::lonnet;  use Apache::lonnet;
 use Apache::lontexconvert;  use Apache::lontexconvert;
 use Apache::lonfeedback;  use Apache::lonfeedback;
 use Apache::lonannounce;  use Apache::lonannounce;
   use Apache::lonlocal;
   use Apache::lonhtmlcommon;
   use Apache::lonspeller();
   use HTML::Entities();
   use Digest::MD5 qw(md5_hex);
   use Storable qw(freeze thaw);
   
   # These are strings representing types of fields
   # that will used to parse/display a field correctly
   use constant {
    TYPE_TEXT_HTML => 'html',  #<-- default
    TYPE_TEXT_PLAIN => 'text',
    TYPE_URL_INCLUDE => 'include-url',
   };
   
 sub handler {  sub handler {
     my $r = shift;      my $r = shift;
     $r->content_type('text/html');      &Apache::loncommon::content_type($r,'text/html');
     $r->send_http_header;      $r->send_http_header;
     return OK if $r->header_only;      return OK if $r->header_only;
   
 # ------------------------------------------------------------ Print the screen      my $target=$env{'form.grade_target'};
     $r->print(<<ENDDOCUMENT);  # --------------------------------------------------- Get course info from URL
 <html>  
 <head>  
 <title>The LearningOnline Network with CAPA</title>  
 ENDDOCUMENT  
     my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);      my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
 # Is this even a course?  # ------------------------------------------------------------ Get query string
     my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom);       &Apache::loncommon::get_unprocessed_cgi
                           ($ENV{'QUERY_STRING'},['delete', 'rename', 'field', 'forcestudent','register','forceedit','forceflush','wrapperdisplay']);
   # ----------------------------------------------------- Is this even a course?
       my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom);
     if ($homeserver eq 'no_host') {      if ($homeserver eq 'no_host') {
  $r->print('</head><body>No syllabus available</body></html>');          &Apache::loncommon::content_type($r,'text/html');
           $r->send_http_header;
           &Apache::loncommon::simple_error_page($r,'No syllabus available',
                             'No syllabus available');
         return OK;          return OK;
     }      }
 # --------------------------------------------------------- The syllabus fields  # ------------------------------------- There is such a course, get environment
     my %syllabusfields=(      my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
   
   # ------------------------------------------------------------ Print the screen
       if ($target eq 'tex') {
           $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
       }
       
   # -------------------------------------------------- Let's see who handles this
       my $externalsyllabus=$courseenv{'externalsyllabus'};
       if ($externalsyllabus=~/\w/) {
          if ($env{'form.wrapperdisplay'} eq 'menu') {
              $r->print(&Apache::lonwrapper::simple_menu());
          } else {
              $r->print(&Apache::lonwrapper::wrapper("/public/$cdom/$cnum/syllabus?wrapperdisplay=menu",
                              $externalsyllabus));
          }
          return OK;
       }
   
   # --------------------------------------------------------- The old syllabus fields
       my %syllabusfields=&Apache::lonlocal::texthash(
        'aaa_instructorinfo' => 'Instructor Information',         'aaa_instructorinfo' => 'Instructor Information',
        'bbb_description'    => 'Course Description',         'bbb_description'    => 'Course Description',
        'ccc_prereq'         => 'Prerequisites',         'ccc_prereq'         => 'Prerequisites',
Line 72  ENDDOCUMENT Line 109  ENDDOCUMENT
        'jjj_weblinks'       => 'Web Links',         'jjj_weblinks'       => 'Web Links',
        'kkk_textbook'       => 'Textbook',         'kkk_textbook'       => 'Textbook',
        'lll_includeurl'     => 'URLs To Include in Syllabus');         'lll_includeurl'     => 'URLs To Include in Syllabus');
          
 # ------------------------------------------------------------ Get query string  
     &Apache::loncommon::get_unprocessed_cgi  
                         ($ENV{'QUERY_STRING'},['forcestudent','register']);  
 # ----------------------------------------------------- Force menu registration  
     my $addentries='';  
     if ($ENV{'form.register'}) {  
        $addentries=' onLoad="'.&Apache::lonmenu::loadevents().  
    '" onUnload="'.&Apache::lonmenu::unloadevents().'"';  
        $r->print(&Apache::lonmenu::registerurl(1));  
     }  
 # --------------------------------------------------------------- Force Student  # --------------------------------------------------------------- Force Student
     my $forcestudent='';      my $forcestudent='';
     if ($ENV{'form.forcestudent'}) { $forcestudent='student'; };      if ($env{'form.forcestudent'}) { $forcestudent='student'; };
              my $forceedit='';
 # ------------------------------------- There is such a course, get environment      if ($env{'form.forceedit'}) { $forceedit='edit'; }
     my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);  
     $r->print('</head>'.&Apache::loncommon::bodytag  # ----------------------------------------------------------------- Make header
        ("Syllabus",$forcestudent,$addentries,'',$cdom,$ENV{'form.register'}));      if ($target ne 'tex') {
     $r->print('<h1>'.$courseenv{'description'}.'</h1><h3>'.          my $rss_link = &Apache::lonrss::rss_link($cnum,$cdom);
               $Apache::lonnet::domaindescription{$cdom}.'</h3>');          my $js;
 # -------------------------------------------------------------- Announcements?          if ($env{'form.backto'} eq 'coursecatalog') {
     $r->print(&Apache::lonannounce::showday(time,2,              $js .= <<"ENDSCRIPT";
                          &Apache::lonannounce::readcalendar($cdom.'_'.$cnum)));  
 # -------------------------------------------------------- Get course personnel  <script type="text/javascript">
     my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);  function ToCatalog(caller) {
     $r->print('<table border="2">');      numidx = getIndexByName('coursenum');
     foreach (sort keys %coursepersonnel) {          if (numidx > -1) {
  $r->print('<tr><td>'.$_.'</td><td>');              if (caller != 'details') {
         foreach (split(/\,/,$coursepersonnel{$_})) {                  document.backtocat.elements[numidx].value = '';
     my ($puname,$pudom)=split(/\:/,$_);              }
     $r->print(' '.&Apache::loncommon::aboutmewrapper(          }
                           &Apache::loncommon::plainname($puname,      document.backtocat.submit();
                           $pudom),$puname,$pudom));  }
  }  
         $r->print('</td></tr>');  function getIndexByName(item) {
       for (var i=0;i<document.backtocat.elements.length;i++) {
           if (document.backtocat.elements[i].name == item) {
               return i;
           }
       }
       return -1;
   }
   
   </script>
   
   ENDSCRIPT
           }
           $js .= <<'ENDSCRIPT';
   
   <style type="text/css">
    .LC_Sortable ul { list-style-type: none; margin: 0px; padding: 0px}
    .LC_Sortable li { list-style-type: none; margin: 0px 5px 5px 5px; padding: 5px; padding-left: 1.5em; width: 175px; font-size:90% }
    .LC_Sortable li span { float: left; margin-left: -1.5em; }
    .LC_EllipseOverflow { overflow: hidden; text-overflow: ellipsis; -o-text-overflow: ellipsis; white-space: nowrap; }
    #scrollable-fields-container {float: left; background-color: white; width: 235px; border: 1px solid grey; margin: 0px}
    #syllabus-fields {position:relative; top: 0;}
    #syllabus-fields-container {padding: 0 0 0 0}
    #syllabus-content {margin-left: 245px}
   </style>
   
   <script type="text/javascript">
    // public domain code to emulate text-overflow:ellipsis in Firefox using jQuery
    (function($) {
    $.fn.ellipsis = function(enableUpdating){
    var s = document.documentElement.style;
    if (!('textOverflow' in s || 'OTextOverflow' in s)) {
    return this.each(function(){
    var el = $(this);
    if(el.css("overflow") == "hidden"){
    var originalText = el.html();
    var w = el.width();
   
    var t = $(this.cloneNode(true)).hide().css({
    'position': 'absolute',
    'width': 'auto',
    'overflow': 'visible',
    'max-width': 'inherit'
    });
    el.after(t);
   
    var text = originalText;
    while(text.length > 0 && t.width() > el.width()){
    text = text.substr(0, text.length - 1);
    t.html(text + "...");
    }
    el.html(t.html());
   
    t.remove();
   
    if(enableUpdating == true){
    var oldW = el.width();
    setInterval(function(){
    if(el.width() != oldW){
    oldW = el.width();
    el.html(originalText);
    el.ellipsis();
    }
    }, 200);
    }
    }
    });
    } else return this;
    };
    })(jQuery);
   
   
    jQuery(document).ready(function() {
    jQuery('.LC_EllipseOverflow').ellipsis();
    jQuery('#syllabus-fields').sortable({
    revert: true,
    start: function(event, ui) {
    jQuery(ui.item).css('font-style', 'italic');
    },
    stop: function(event, ui) {
    var order = [];
    jQuery(ui.item).parent().children('li').each(function() {
    var id = /title-([0-9_]+)/i.exec(jQuery(this).attr('id'));
    order.push(id[1]);
    });
    }
    });
    jQuery('#syllabus-fields li').click(function() {
    jQuery(this).parent().children('li').removeClass('ui-state-highlight');
    jQuery(this).addClass('ui-state-highlight');
    var id = /title-([0-9_]+)/i.exec(jQuery(this).attr('id'));
    jQuery('#syllabus-form .LC_Box').hide();
    jQuery('#box-'+id[1]).show();
    });
    jQuery('#syllabus-fields ui, li').disableSelection();
    jQuery('#syllabus-fields-container').height('500px');
    jQuery('#syllabus-fields-container').css('overflow-x', 'hidden');
    jQuery('#syllabus-fields-container').css('overflow-y', 'auto');
    jQuery('#syllabus-fields-container').css('position', 'relative');
    jQuery('#syllabus-fields').css('position', 'relative');
    jQuery('#syllabus-fields').css('top', '0px');
    jQuery('#syllabus-fields').css('display','block');
    jQuery('#syllabus-fields-container').scroll(function() {
    jQuery('#syllabus-fields').sortable('refreshPositions');
    });
    jQuery('#syllabus-form .LC_Box').hide();
    });
   </script>
   ENDSCRIPT
           my $start_page =
            &Apache::loncommon::start_page("Syllabus", $rss_link.$js,
                          {'function'       => undef,
                           'domain'         => $cdom,
                           'force_register' =>
                           $env{'form.register'},});
   
           $r->print($start_page);
           if ($env{'form.backto'} eq 'coursecatalog') {
               &Apache::lonhtmlcommon::clear_breadcrumbs();
               &Apache::lonhtmlcommon::add_breadcrumb
                   ({href=>"javascript:ToCatalog()",
                   text=>"Course/Community Catalog"});
               if ($env{'form.coursenum'} ne '') {
                   &Apache::lonhtmlcommon::add_breadcrumb
                       ({href=>"javascript:ToCatalog('details')",
                       text=>"Course details"});
               }
               &Apache::lonhtmlcommon::add_breadcrumb
                   ({href=>$r->uri,
                   text=>"Course syllabus"});
               $r->print(&Apache::lonhtmlcommon::breadcrumbs());
           }
     }      }
     $r->print('</table>');  
 # ---------------------------------------------------------- Load syllabus info  # ---------------------------------------------------------- Load syllabus info
     my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);      my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);  # load db
     my $allowed=0;      my $allowed=0;  # can we edit this page?
       my $privileged=0;
       my %data;
       if ($env{'form.forceflush'}) {
       delete $syllabus{'data.fields'};
       &Apache::lonnet::del('syllabus', ['data.fields'], $cdom, $cnum);
       delete $syllabus{'properties.v2_conflict'};
       &Apache::lonnet::del('syllabus', ['properties.v2_conflict'], $cdom, $cnum);
       delete $syllabus{'properties.v2_conflict_fail'};
       &Apache::lonnet::del('syllabus', ['properties.v2_conflict_fail'], $cdom, $cnum);
       delete $syllabus{'properties.last_modified'};
       &Apache::lonnet::del('syllabus', ['properties.last_modified'], $cdom, $cnum);
       delete $syllabus{'properties.v2_converted'};
       &Apache::lonnet::del('syllabus', ['properties.v2_converted'], $cdom, $cnum);
       delete $syllabus{'data.old_new_map'};
       &Apache::lonnet::del('syllabus', ['data.old_new_map'], $cdom, $cnum);
       delete $syllabus{'data.deleted_fields'};
       &Apache::lonnet::del('syllabus', ['data.deleted_fields'], $cdom, $cnum);
    %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);  # load db
       $r->print("Flushed syllabus DB file.<br />");
       $r->print("Syllabus conflict: ".$syllabus{'properties.v2_conflict'}."<br />");
       }
       #$r->print("Existing fields: ".$syllabus{'data.fields'}."<br />");
       #$r->print("Old-new map: ".$syllabus{'data.old_new_map'}."<br />");
       #$r->print("Deleted fields: ".$syllabus{'data.deleted_fields'}."<br />");
       if (!exists($syllabus{'data.fields'})) {
       # convert existing 2.x data to new DB fields
       # which become new primary data source for document
    %data = %{convert_from_v2($r, \%syllabus, \%syllabusfields, 0)};
    #$r->print("New fields order: ".$data{'data.fields'}."<br />");
    &Apache::lonnet::put('syllabus',\%data,$cdom,$cnum);
       } elsif (  !exists($syllabus{'properties.v2_converted'}) && 
         exists($syllabus{'uploaded.lastmodified'}) &&
         exists($syllabus{'properties.last_modified'}) &&
         ($syllabus{'uploaded.lastmodified'} !=
         $syllabus{'properties.last_modified'})) {
       # if the document has been saved in 3.x and later edited in 
       # 2.x, reconvert the existing document, with extra warning
       %data = %{convert_from_v2($r, \%syllabus, \%syllabusfields, 1)};
       delete $data{'properties.v2_converted'};
       &Apache::lonnet::del('syllabus', ['properties.v2_converted'], $cdom, $cnum);
       $data{'properties.v2_conflict'} = 1;
    &Apache::lonnet::put('syllabus',\%data,$cdom,$cnum);    
       } else {
       %data = %syllabus;
      
       }
   
 # This handler might be called anonymously ...  
 # ----------------------------------------------------- Only if not public call  # ----------------------------------------------------- Only if not public call
     if ($ENV{'user.environment'}) {      if ($env{'user.environment'}) { # does this user have privileges to post, etc?
 # does this user have privileges to post, etc?          if ($env{'request.course.id'}
        if ($ENV{'request.course.id'}) {          && $cdom eq $env{'course.'.$env{'request.course.id'}.'.domain'}
           $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});          && $cnum eq $env{'course.'.$env{'request.course.id'}.'.num'}) {
           if ($forcestudent) { $allowed=0; }              $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
        }              $privileged=$allowed;
        if ($allowed) {              if (($data{'uploaded.lastmodified'}) && (!$forceedit)) {
           $r->print('<p>'.                  $forcestudent='student';
 &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes','Help with filling in text boxes').'</p><p>This syllabus can be publicly viewed at <tt>http://'.              }
     $Apache::lonnet::hostname{$homeserver}.$r->uri.'</tt>'.              if ($forcestudent or $target eq 'tex') { $allowed=0; }
                &Apache::loncommon::help_open_topic('Syllabus_ExtLink').'</p>'.          }
   '<p><a href="'.$r->uri.'?forcestudent=1">Show Student View</a>'.   #store what the user typed in
           &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').   my @fields = @{thaw($data{'data.fields'})};
           '</p>');   if (($allowed) && ($env{'form.delete'})) {
       }   my $field = $env{'form.delete'};
        if (($allowed) && ($ENV{'form.storesyl'})) {   chomp($field);
    foreach (keys %syllabusfields) {   #allow only numbers, underscores
                my $field=$ENV{'form.'.$_};   $field=~s/[^0-9_]//g;
                $field=~s/\s+$//s;   #check if the field exists
                $field=&Apache::lonfeedback::clear_out_html($field,1);   #do not delete if file in v2 conversion mode
        $syllabus{$_}=$field;   if (exists($data{'data.field.'.$field}) &&
                if ($_ eq 'lll_includeurl') { # clean up included URLs   !exists($data{'properties.v2_converted'})) {
                   my $field='';   #$r->print("Field '$field' can be deleted.<br />");
           foreach (split(/\n/,$syllabus{$_})) {   # linearly parse "data.fields" and remove it
       my $url=$_;   for (my $i = 0; $i < length(@fields); $i++) {
 # get rid of leading and trailing spaces   if ($fields[$i] eq $field) {
                       $url=~s/^\s+//;   splice(@fields, $i, 1);
                       $url=~s/\s+$//;   #$r->print("Removed entry $i from 'data.fields'<br />");
                       if ($url=~/^http\:\/\/([^\/]+)\/(.+)$/) {   }
                           my $remainder=$2;   }
 # remove the hostname from internal URLs   # if "data.deleted" does not exist, create it
           foreach (keys %Apache::lonnet::hostname) {   my @deleted;
                               if ($1=~/$Apache::lonnet::hostname{$_}/i) {   if (!exists($data{'data.deleted_fields'})) {
          $url=$remainder;   @deleted = [];
       }   } else {
           }   @deleted = @{thaw($data{'data.deleted_fields'})};
       }   }
 # norm internal URLs   # only if deleted does not exist in 'data.deleted', push it
                       unless ($url=~/^http\:/) {   my $push = 1;
           $url=&Apache::lonnet::clutter($url);   for (my $i = 0; $i < length(@deleted); $i++) {
                       }   if ($deleted[$i] eq $field) {
 # re-assemble field   $push = 0;
                       if ($url) {   last;
           $field.=$url."\n";   }
                       }   }
   }   unless (!$push) {
                   $syllabus{$_}=$field;   push(@deleted, $field);
       }   }
            }   $data{'data.fields'} = freeze(\@fields);
            $syllabus{'uploaded.domain'}=$ENV{'user.domain'};   $data{'data.deleted_fields'} = freeze(\@deleted);
            $syllabus{'uploaded.name'}=$ENV{'user.name'};  
            $syllabus{'uploaded.lastmodified'}=time;   &Apache::lonnet::put('syllabus',\%data,$cdom,$cnum);
            &Apache::lonnet::put('syllabus',\%syllabus,$cdom,$cnum);   }
        }   }
    if (($allowed) && ($env{'form.rename'})) {
    my $field = $env{'form.rename'};
    my $new_title = "Hello, World!";
    chomp($field);
    $field=~s/[^0-9_]//g;
    #check if the field exists
    #do not delete if file in v2 conversion mode
    if (exists($data{'data.field.'.$field}) &&
    !exists($data{'properties.v2_converted'})) {
    #sanitize HTML content
    #$r->print("Rename -- field found.<br />");
    my %db_entry = %{thaw($data{'data.field.'.$field})};
    $new_title = &Apache::lonfeedback::clear_out_html($new_title, 1);
    $db_entry{title} = $new_title;
    $data{'data.field.'.$field} = freeze(\%db_entry);
    &Apache::lonnet::put('syllabus',\%data,$cdom,$cnum);
    }
    }
           if (($allowed) && ($env{'form.storesyl'})) {
               foreach my $syl_field (@fields) {
                   my $field=$env{'form.'.$syl_field};
                   my $type;
                   my %field_hash;
                   # only update a field if it already exists!
                   if (exists($data{'data.field.'.$syl_field})) {
                   #$r->print("Creating/updated field ".$syl_field."<br />");
                   %field_hash = exists($data{'data.field.'.$syl_field}) ?
                   %{thaw($data{'data.field.'.$syl_field})} : ();
                   $type = exists($field_hash{type}) ? $field_hash{type} : TYPE_TEXT_HTML;
    chomp($field);
    $field=~s/\s+$//s;
    $field=~s/^\s+//s;
    $field=~s/\<br\s*\/*\>$//s;
    $field=&Apache::lonfeedback::clear_out_html($field,1);
    $field_hash{content}=$field;
    if ($type eq TYPE_URL_INCLUDE) { # clean up included URLs
    my $field='';
    foreach my $value (split(/\n/,$field_hash{content})) {
    my $url=$value;
    # get rid of leading and trailing spaces
    $url=~s/^\s+//;
    $url=~s/\s+$//;
    if ($url=~m|^https?\://([^/]+)/(.+)$|) {
    my $host = $1;
    my $remainder=$2;
    # remove the hostname from internal URLs
    my $hostname = &Apache::lonnet::hostname($host);
    my %all_hostnames = &Apache::lonnet::all_hostnames();
    foreach my $possible_host (keys(%all_hostnames)) {
    if ($possible_host =~ /\Q$hostname\E/i) {
    $url=$remainder;
    }
    }
    }
    # norm internal URLs
    unless ($url=~/^https?\:/) {
    $url=&Apache::lonnet::clutter($url);
    }
    # re-assemble field
    if ($url) {
    $field.=$url."\n";
    }
    }
                      $field_hash{content}=$field;
                      $field_hash{type}=TYPE_URL_INCLUDE;
    }
    $data{'data.field.'.$syl_field} = freeze(\%field_hash);
    } 
               }
               $data{'uploaded.domain'}=$env{'user.domain'};
               $data{'uploaded.name'}=$env{'user.name'};
               my $time = $^T;
               $data{'uploaded.lastmodified'}=$time;
               $data{'properties.last_modified'}=$time;
               delete $data{'properties.v2_converted'};
               delete $data{'properties.v2_conflict'};
               delete $data{'properties.v2_conflict_fail'};
               &Apache::lonnet::del('syllabus', ['properties.v2_converted', 
               'properties.v2_conflict', 'properties.v2_conflict_fail'], $cdom, $cnum);
              
               #2.x compatibility: write to old fields with new mapped fields
               my %old_new_map = %{thaw($data{'data.old_new_map'})};
               foreach my $old_field (keys(%old_new_map)) {
               #$r->print("Looking for: ".$old_field." at ".$old_new_map{$old_field}."<br />");
               if (exists($data{'data.field.'.$old_new_map{$old_field}})) {
               #$r->print("updating old field ".$old_field."<br />");
               my %new_field = %{thaw($data{'data.field.'.$old_new_map{$old_field}})};
               $data{$old_field} = $new_field{content};
               }
               }
                 
               &Apache::lonnet::put('syllabus',\%data,$cdom,$cnum);
           }
     }      }
   
   #--------Functions
       if( ($allowed || $privileged) && $target ne 'tex') {
           my $functions=&Apache::lonhtmlcommon::start_funclist();
           if ($allowed) {
    #if you have the register flag, keep it
    if($env{'form.register'} == 1) {
               $functions.=&Apache::lonhtmlcommon::add_item_funclist(
                             '<a href="'.$r->uri.'?forcestudent=1&amp;register=1">'
                              .&mt('Show Public View').'</a>'
                              .&Apache::loncommon::help_open_topic(
                                   'Uploaded_Templates_PublicView'));
    } else {
               $functions.=&Apache::lonhtmlcommon::add_item_funclist(
                             '<a href="'.$r->uri.'?forcestudent=1">'
                              .&mt('Show Public View').'</a>'
                              .&Apache::loncommon::help_open_topic(
                                   'Uploaded_Templates_PublicView'));
    }
           } elsif ($privileged) {
    if($env{'form.register'} == 1) {
               $functions.=&Apache::lonhtmlcommon::add_item_funclist(
                              '<a href="'.$r->uri.'?forceedit=1&amp;register=1">'
                               .&mt('Edit').'</a>');
    } else {
               $functions.=&Apache::lonhtmlcommon::add_item_funclist(
                              '<a href="'.$r->uri.'?forceedit=1">'
                               .&mt('Edit').'</a>');
    }
           }
   
           $functions.=&Apache::lonhtmlcommon::end_funclist();
           $r->print(&Apache::loncommon::head_subbox($functions));
       }
   
   #---------------------Print External URL Syllabus Info and Help Text
       if( ($allowed) && ($target ne 'tex') ) {
           my $protocol = $Apache::lonnet::protocol{$homeserver};
             $protocol = 'http' if ($protocol ne 'https');
           $r->print('<p class="LC_info">'
                    .&mt('This syllabus can be publicly viewed at [_1]'
                        ,'<tt>'.$protocol.'://'.&Apache::lonnet::hostname($homeserver).$r->uri.'</tt>')
                    .'&nbsp;'.&Apache::loncommon::help_open_topic('Syllabus_ExtLink')
                    .'</p>'
                    .'<p class="LC_info">'
                    .&mt('Instead of using this template you can specify an external URL as Syllabus in the [_1]Course Configuration[_2].'
                        ,'<a href="/adm/courseprefs?actions=courseinfo&amp;phase=display">','</a>')
                    .'</p>'
           );
           #-Print Help Text
           $r->print(&Apache::loncommon::help_open_topic( 
                           'Uploaded_Templates_TextBoxes',
                           &mt('Help with filling in text boxes')));
       }
   
   #----------Print last update
       my $lastmod=$syllabus{'uploaded.lastmodified'};
       $lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never'));
       my $who = &Apache::loncommon::aboutmewrapper(
           &Apache::loncommon::plainname($syllabus{'uploaded.name'},
           $syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'},
           $syllabus{'uploaded.domain'});
       if ($target ne 'tex') {
           $r->print('<div class="LC_info">'.&mt('Last updated').': '.
               $lastmod . ' '.
               ($who ? &mt('by').' '.$who
                              : '' ) .
                '</div>' );
   
       } else {
           $r->print('\\\\ '.&mt('Last updated').': '.$lastmod.' '.
               ($who? &mt('by').'\\\\ '.
                       &Apache::loncommon::plainname($syllabus{'uploaded.name'},$syllabus{'uploaded.domain'})
                     :'')
                .'\\\\');
       }
       if ($allowed && $data{'properties.v2_converted'} == 1) {
       $r->print("<em>This document was created with LON-CAPA 2.x.  Modifying it may cause it to not display correctly on older servers.</em><br/>");
    }
    if ($allowed && $data{'properties.v2_conflict'} == 1) {
    $r->print("<em>This document was saved with LON-CAPA 3.x, then further edited in LON-CAPA 2.x.</em><br/>");
    if ($data{'properties.v2_conflict_fail'} == 1) {
    $r->print("<em>Some fields in LON-CAPA 2.x no longer have an equivalent in LON-CAPA 3.x.  These fields were appended; some fields may be duplicated or not match.</em><br />");
    } else {
    $r->print("<em>These changes were automatically transferred to LON-CAPA 3.x</em>");
    }
    }
   
   #----------------------------Print Headtitle
       if ($target ne 'tex') {
           $r->print('<h1>'.$courseenv{'description'}.'</h1>');
           $r->print('<h3>'.  &Apache::lonnet::domain($cdom,'description').'</h3>');
       } else {
           $r->print('\noindent{\large\textbf{'.$courseenv{'description'}.'}}\\\\\\\\\textbf{'.
           &Apache::lonnet::domain($cdom,'description').'}\\\\');
       }
   
   # -------------------------------------------------------- Get course personnel
       my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);
       if ($target ne 'tex') {
           $r->print(&Apache::lonhtmlcommon::start_pick_box());
       } else {
           $r->print('\begin{tabular}{|p{0.45\textwidth}|p{0.45\textwidth}|}\hline');
       }
       my @personnel=sort(keys(%coursepersonnel));
       my $lastpers=$personnel[$#personnel];
       foreach my $element (@personnel) {
           if ($target ne 'tex') {
               $r->print(&Apache::lonhtmlcommon::row_title($element));
           } else {
               $r->print(' '.&Apache::lonxml::xmlparse($r,'tex',$element).' & ');
           }
           foreach (split(/\,/,$coursepersonnel{$element})) {
               my ($puname,$pudom)=split(/\:/,$_);
               if ($target ne 'tex') {
                   my $courseperson = &Apache::loncommon::plainname($puname,$pudom);
                   if (($env{'user.name'} eq '') || ($env{'user.name'} eq 'public') ||
                       ($env{'user.domain'} eq '') || ($env{'user.domain'} eq 'public')) {
                       $r->print(' '.$courseperson);
                   } else {
                       $r->print(' '.&Apache::loncommon::aboutmewrapper($courseperson,
                                 $puname,$pudom));
                   }
               } else {
                   $r->print(' '.&Apache::loncommon::plainname($puname,
                                 $pudom).' ');
               }
           }
           if ($target ne 'tex') {
               my $lastclose=$element eq $lastpers?1:0;
               $r->print(&Apache::lonhtmlcommon::row_closure($lastclose));
           } else {
               $r->print('\\\\ \hline');
           }
       }
       if ($target ne 'tex') {
           $r->print(&Apache::lonhtmlcommon::end_pick_box());
       } else {
           $r->print('\end{tabular}\\\\');
       }
   # -------------------------------------------------------------- Announcements?
       my $day = &Apache::lonannounce::showday(time,2,
                &Apache::lonannounce::readcalendar($cdom.'_'.$cnum));
       if ($target ne 'tex') {
       if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
       $r->print("<br />");
       &print_field_sortable($r, \%data, $target, $allowed, Apache::lontemplate->RICH_TEXT_DETECT_HTML);
           }
           $r->print("<div id='syllabus-content'>\n");
   
       } else {
           $r->print(&Apache::lonxml::xmlparse($r,'tex',$day));
       }
       
 # ---------------------------------------------------------------- Get syllabus  # ---------------------------------------------------------------- Get syllabus
     if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {      if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
        my $lastmod=$syllabus{'uploaded.lastmodified'};          if ($allowed) {
        $lastmod=($lastmod?localtime($lastmod):'never');              $r->print('<form id="syllabus-form" method="post" action="">'.
               '<input type="hidden" name="forceedit" value="edit" />');
           }
           my @htmlids=();
    my $url_include_handler = sub {
    my ($r, $field, $json_ref, $group, $target, $allowed) = @_;
    my $message = $json_ref->{items}{$field}{content};
    my $title = $json_ref->{items}{$field}{title};
    my $urls = $message;
    foreach my $filelink (split(/\n/,$urls)) {
    my $output='';
      # embed style?
    my ($curfext)=($filelink=~/\.([^\.]+)$/);
    my $embstyle=&Apache::loncommon::fileembstyle($curfext);
    if (($embstyle eq 'ssi') || ($curfext=~/\/$/)) {# make ssi call and remove everything but the body contents
    $output=&Apache::lonnet::ssi_body($filelink);
    } elsif ($embstyle eq 'img') {# embed as an image
    $output='<img src="'.$filelink.'" />';
    }
    if ($output ne '') {
      $message='';
      if ($target ne 'tex') {
      $message.='<p>'.$output.'</p>';
      } else {
      $message.=' '.&Apache::lonxml::xmlparse($r,'tex','<p>'.$output.'</p>').' ';
      }
    }
    }
    if ($allowed) {
    &Apache::lonfeedback::newline_to_br(\$urls);
    &Apache::lontemplate::print_start_template($r,$title.
     &Apache::loncommon::help_open_topic('Syllabus_URLs'),'LC_Box');
    $r->print($urls);
    $r->print("<br /><div>");
    &Apache::lontemplate::print_textarea_template($r, $message,
    $field, Apache::lontemplate->RICH_TEXT_ALWAYS_OFF);
    &Apache::lontemplate::print_saveall_template($r);                         
    $r->print("</div>");
    &Apache::lontemplate::print_end_template($r);
   
        $r->print('<table><tr><td>Uploaded:</td><td>'.   } else {
  &Apache::loncommon::aboutmewrapper(   $r->print($message);
  &Apache::loncommon::plainname($syllabus{'uploaded.name'},   }
                      $syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'},   };
                      $syllabus{'uploaded.domain'}).   my %custom_hash = ( TYPE_URL_INCLUDE() => $url_include_handler );
  '</td></tr><tr><td>Last updated:</td><td>'.    @htmlids = &print_template_new_fields($r, \%data, 
                      $lastmod.    $target, $allowed, Apache::lontemplate->RICH_TEXT_DETECT_HTML, \%custom_hash);
                      '</td></tr></table><p>');          if ($allowed) {
        if ($allowed) {              $r->print('</form>'.
    $r->print('<form method="post">');              &Apache::lonhtmlcommon::htmlareaselectactive(@htmlids));
        }          }
        foreach (sort keys %syllabusfields) {          if ($target ne 'tex') {$r->print('</div><p style="clear:both">&nbsp;</p>');}
           if (($syllabus{$_}) || ($allowed)) {          if ($allowed) {
               my $message=$syllabus{$_};              &Apache::lontemplate::print_start_template($r,'RSS Feeds and Blogs','LC_Box');
               if ($_ eq 'lll_includeurl') { # this is the "included" field              $r->print(&Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit));
   my $urls=$message;              my $editurl= &Apache::lonnet::absolute_url().'/adm/'.$cdom.'/'.$cnum.'/_rss.html';
                   $message='';              $r->print( '<a href="'.$editurl.'">'.&mt('New RSS Feed or Blog').'</a>');
                   foreach my $filelink (split(/\n/,$urls)) {              &Apache::lontemplate::print_end_template($r);
       my $output='';          } elsif (&Apache::lonrss::advertisefeeds($cnum,$cdom) ne '') {
 # embed style?              &Apache::lontemplate::print_start_template($r,'RSS Feeds and Blogs','LC_Box');
       my ($curfext)=($filelink=~/\.([^\.]+)$/);              $r->print(&Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit));
                       my $embstyle=&Apache::loncommon::fileembstyle($curfext);              &Apache::lontemplate::print_end_template($r);
               if (($embstyle eq 'ssi') || ($curfext=~/\/$/)) {          }
 # make ssi call and remove everything but the body contents  
   $output=&Apache::lonnet::ssi_body($filelink);  
               } elsif ($embstyle eq 'img') {  
 # embed as an image  
                          $output='<img src="'.$filelink.'" />';  
       }  
                       $message.='<p>'.$output.'</p>';  
                   }  
                   if ($allowed) {  
                      $r->print('<h3>'.$syllabusfields{$_}.  
           &Apache::loncommon::help_open_topic('Syllabus_URLs').'</h3>'.  
   '<p><a href="'.$r->uri.'?forcestudent=1">Show Student View</a>'.  
  &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');  
  } else {  
                   $r->print($message);  
                  }   
               } else {  
                  $message=~s/\n/\<br \/\>/g;  
                  $message  
              =~s/(http\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;  
          $message=&Apache::lontexconvert::msgtexconverted($message);  
                  $r->print('<h3>'.$syllabusfields{$_}.'</h3><blockquote>'.  
                         $message.'</blockquote>');  
      }  
               if ($allowed) {  
                  $r->print('<br /><textarea cols="80" rows="6" name="'.$_.'">'.  
    $syllabus{$_}.  
            '</textarea><input type="submit" name="storesyl" value="Store" />');  
       }  
   }  
        }  
        if ($allowed) {  
    $r->print('</form>');  
        }  
        $r->print('</p>');  
     } else {      } else {
        $r->print('<p>No syllabus information provided.</p>');          if ($target ne 'tex') {$r->print('<p>');} else {$r->print('\par ');}
           $r->print(&mt('No syllabus information provided.'));
           if ($target ne 'tex') {$r->print('</p>');}
       }
       if ($target ne 'tex') {
           if ($env{'form.backto'} eq 'coursecatalog') {
               $r->print('<form name="backtocat" method="post" action="/adm/coursecatalog">'.
                         &Apache::lonhtmlcommon::echo_form_input(['backto','courseid']).
                         '</form>');
           }
           $r->print(&Apache::loncommon::end_page());
       } else {
           $r->print('\end{document}');
     }      }
     $r->print('</body></html>');  
     return OK;      return OK;
 }   }
   
   sub print_field_sortable {
    my ($r, $data_ref, $target, $allowed, $default_rich_text, $group) = @_;
    my %data = %{$data_ref};
    my @fields = @{thaw($data{'data.fields'})};
    $r->print("<div id='scrollable-fields-container'>
   <!--<div id='syllabus-fields-up' class='ui-state-default' style='text-align:center'>Up</div>-->
   <div id='syllabus-fields-container'>
   <ui id='syllabus-fields' class='LC_Sortable LC_SyllabusFields'>\n");
    foreach my $key (@fields) {
    my %field = %{thaw($data{'data.field.'.$key})};
    $r->print("<li id='title-$key' class='ui-state-default LC_EllipseOverflow' title='$field{title}'><span class='ui-icon ui-icon-arrowthick-2-n-s'></span>$field{title}</li>\n");
    }
    $r->print("
   </ui>
   </div>
   <!--<div id='syllabus-fields-down' class='ui-state-default' style='text-align:center'>Down</div>-->
   </div>\n");
   }
   
   sub print_template_new_fields {
    my ($r, $data_ref, $target, $allowed, $default_rich_text, $custom_handlers_ref, $group) = @_;
    my @html_ids = ();
    my %data = %{$data_ref};
    my @fields = @{thaw($data{'data.fields'})};
    my %custom_handlers = %{$custom_handlers_ref};
   
    foreach my $key (@fields) {
    my %field = %{thaw($data{'data.field.'.$key})};
    my $title = $field{title};
    my $raw_message = $field{content};
    my $type = $field{type};
    my $message = $raw_message if (($raw_message=~/\w/) || ($allowed));
    if ((%custom_handlers) && exists($custom_handlers{$type})) {
    #$custom_handlers{$type}->($r, $field, $json_ref, $group, $target, $allowed);
    } else {
    if (($raw_message=~/\w/) || ($allowed)) {
    if (!&Apache::lonfeedback::contains_block_html($message)) {
    &Apache::lonfeedback::newline_to_br(\$message);
    } else {
    $message = &Apache::lonfeedback::tidy_html($message);
    }
    $message=&Apache::lonhtmlcommon::raw_href_to_link($message);
    if ($allowed) {
    $message=&Apache::lonspeller::markeduptext($message);
    }
    $message=&Apache::lontexconvert::msgtexconverted($message);
    if ($target ne 'tex') {
    #output of syllabusfields will be generated here. 
    &Apache::lontemplate::print_start_template($r,$title,'LC_Box', 'box-'.$key);
    $r->print($message);
    if ($allowed) {
    $r->print("<br /><div>");
    &Apache::lontemplate::print_textarea_template($r, $raw_message,
    $key, $default_rich_text);
    &Apache::lontemplate::print_saveall_template($r);
    if (!exists($data{'properties.v2_converted'})) {
    $r->print("<a href='?delete=$key&forceedit=1'>Delete</a> ");
    $r->print("<a href='?rename=$key&forceedit=1'>Rename to \"Hello, World!\"</a>");
    }
    $r->print("</div>");
    } 
    &Apache::lontemplate::print_end_template($r);
    } else {
       my $safeinit;
                       $r->print(&Apache::lonxml::xmlparse($r,'tex','<h3>'.$title.'</h3>'));
                       $r->print(&Apache::lonxml::xmlparse($r,'tex',$message));
    }
    push(@html_ids,"hello");
    }
    }
    }
   
    return @html_ids;
   }
   
   sub convert_from_v2 {
    my ($r, $data_ref, $fields_ref, $conflict) = @_;
    my %data = %{$data_ref};
    my %fields = %{$fields_ref};
    my @fields_order = (!$conflict) ? () : @{thaw($data{'data.fields'})};
    my %old_new_map = (!$conflict) ? () : %{thaw($data{'data.old_new_map'})};
    my $repeat_int = 0;  #ensure fields with created timestamp are unique
    foreach my $element (sort(keys(%fields))) {
    my %new_element = ();
    my $title = $fields{$element};
    my $title_hash = time."_".$$;
    if (exists($data{'data.field.'.$title_hash})) {
    $title_hash .= "_".$repeat_int++;
    }
    my $content = $data{$element};
    $new_element{title} = $title;
    $new_element{content} = $content;
    if ($element eq 'lll_includeurl') {
    $new_element{type} = TYPE_URL_INCLUDE;
    } else {
    $new_element{type} = TYPE_TEXT_HTML;
    }
    if (!$conflict) {
    $r->print("Creating new field with ID: ".$title_hash."<br />");
    $data{'data.field.'.$title_hash} = freeze(\%new_element);
    $old_new_map{$element} = $title_hash;
    push(@fields_order, $title_hash);
    } else {
    if (exists($old_new_map{$element})) {
    $r->print("Transferring old field ".$element." to new ID: ".$old_new_map{$element}."<br />");
    if (exists($data{'data.field.'.$old_new_map{$element}})) {
    my %new_field = %{thaw($data{'data.field.'.$old_new_map{$element}})};
    $new_field{content} = $content;
    $data{'data.field.'.$old_new_map{$element}} = freeze(\%new_field);
    }
    } else {
    $data{'data.field.'.$title_hash} = freeze(\%new_element);
    $old_new_map{$element} = $title_hash;
    $data{'properties.v2_conflict_fail'} = 1;
    push(@fields_order, $title_hash);
    }
    }
    }
    $data{'data.fields'} = freeze(\@fields_order);
    $data{'data.old_new_map'} = freeze(\%old_new_map);
    $data{'properties.last_modified'} = time;
    $data{'properties.v2_converted'} = 1;
    $data{'properties.type'} = 'syllabus';
   
    return \%data;
   }
   
 1;  1;
 __END__  __END__
Removed from v.1.19  
changed lines
  Added in v.1.106.2.3

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