loncom/interface/loncommon.pm - diff

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Diff for /loncom/interface/loncommon.pm between versions 1.499 and 1.596

-version 1.499, 2006/12/28 15:49:15
+version 1.596, 2007/10/26 00:23:45
  Line 68  use Apache::lontexconvert();
  use Apache::lonclonecourse();
  use LONCAPA qw(:DEFAULT :match);
+ # ---------------------------------------------- Designs
+ use vars qw(%defaultdesign);
  my $readit;
  ##
  ## Global Variables
  ##
- Line 82  my %scprtag;
+ Line 86  my %scprtag;
  my %fe; my %fd; my %fm;
  my %category_extensions;
- # ---------------------------------------------- Designs
- my %designhash;
  # ---------------------------------------------- Thesaurus variables
  #
  # %Keywords:
  Line 151  BEGIN {
          }
      }
- # -------------------------------------------------------------- domain designs
+ # -------------------------------------------------------------- default domain designs
-     my $filename;
      my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
-     opendir(DIR,$designdir);
+     my $designfile = $designdir.'/default.tab';
-     while ($filename=readdir(DIR)) {
+     if ( open (my $fh,"<$designfile") ) {
- 	if ($filename!~/\.tab$/) { next; }
+         while (my $line = <$fh>) {
- 	my ($domain)=($filename=~/^($match_domain)\./);
+             next if ($line =~ /^\#/);
- 	{
+             chomp($line);
- 	    my $designfile = $designdir.'/'.$filename;
+             my ($key,$val)=(split(/\=/,$line));
- 	    if ( open (my $fh,"<$designfile") ) {
+             if ($val) { $defaultdesign{$key}=$val; }
- 		while (my $line = <$fh>) {
+         }
- 		    next if ($line =~ /^\#/);
+         close($fh);
- 		    chomp($line);
- 		    my ($key,$val)=(split(/\=/,$line));
- 		    if ($val) { $designhash{$domain.'.'.$key}=$val; }
- 		}
- 		close($fh);
- 	    }
- 	}
      }
-     closedir(DIR);
  # ------------------------------------------------------------- file categories
      {
- Line 346  sub studentbrowser_javascript {
+ Line 334  sub studentbrowser_javascript {
     return (<<'ENDSTDBRW');
  <script type="text/javascript" language="Javascript" >
      var stdeditbrowser;
-     function openstdbrowser(formname,uname,udom,roleflag) {
+     function openstdbrowser(formname,uname,udom,roleflag,ignorefilter) {
          var url = '/adm/pickstudent?';
          var filter;
-         eval('filter=document.'+formname+'.'+uname+'.value;');
+ 	if (!ignorefilter) {
+ 	    eval('filter=document.'+formname+'.'+uname+'.value;');
+ 	}
          if (filter != null) {
             if (filter != '') {
                 url += 'filter='+filter+'&';
- Line 377  sub selectstudent_link {
+ Line 367  sub selectstudent_link {
  	   return '';
         }
         return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
-         '","'.$udomele.'");'."'>".&mt('Select User')."</a>";
+         '","'.$udomele.'","","1");'."'>".&mt('Select User')."</a>";
     }
     if ($env{'request.role'}=~/^(au|dc|su)/) {
         return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
- Line 390  sub coursebrowser_javascript {
+ Line 380  sub coursebrowser_javascript {
      my ($domainfilter,$sec_element,$formname)=@_;
      my $crs_or_grp_alert = &mt('Please select the type of LON-CAPA entity - Course or Group - for which you wish to add/modify a user role');
     my $output = '
- <script type="text/javascript" language="Javascript" >
+ <script type="text/javascript">
      var stdeditbrowser;'."\n";
     $output .= <<"ENDSTDBRW";
      function opencrsbrowser(formname,uname,udom,desc,extra_element,multflag,crstype) {
- Line 417  sub coursebrowser_javascript {
+ Line 407  sub coursebrowser_javascript {
  	                            '&cdomelement='+udom+
                                      '&cnameelement='+desc;
          if (extra_element !=null && extra_element != '') {
-             if (formname == 'rolechoice') {
+             if (formname == 'rolechoice' || formname == 'studentform') {
                  url += '&roleelement='+extra_element;
                  if (domainfilter == null || domainfilter == '') {
                      url += '&domainfilter='+extra_element;
- Line 536  function uncheckAll(field) {
+ Line 526  function uncheckAll(field) {
      if (field.length > 0) {
          for (i = 0; i < field.length; i++) {
              field[i].checked = false ;
-         }     } else {
+         }
+     } else {
          field.checked = false ;
      }
  }
- Line 720  sub help_open_topic {
+ Line 711  sub help_open_topic {
      my ($topic, $text, $stayOnPage, $width, $height) = @_;
      $text = "" if (not defined $text);
      $stayOnPage = 0 if (not defined $stayOnPage);
-     if ($env{'browser.interface'} eq 'textual' ||
+     if ($env{'browser.interface'} eq 'textual') {
- 	$env{'environment.remote'} eq 'off' ) {
  	$stayOnPage=1;
      }
      $width = 350 if (not defined $width);
- Line 731  sub help_open_topic {
+ Line 721  sub help_open_topic {
      my $template = "";
      my $link;
      $topic=~s/\W/\_/g;
-     if (!$stayOnPage)
+     if (!$stayOnPage) {
-     {
  	$link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
-     }
+     } else {
-     else
-     {
  	$link = "/adm/help/${filename}.hlp";
      }
      # Add the text
-     if ($text ne "")
+     if ($text ne "") {
-     {
  	$template .=
-   "<table bgcolor='#3333AA' cellspacing='1' cellpadding='1' border='0'><tr>".
+             "<table bgcolor='#3333AA' cellspacing='1' cellpadding='1' border='0'><tr>".
-   "<td bgcolor='#5555FF'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
+             "<td bgcolor='#5555FF'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
      }
      # Add the graphic
- Line 813  ENDOUTPUT
+ Line 799  ENDOUTPUT
  # now just updates the help link and generates a blue icon
  sub help_open_menu {
      my ($topic,$component_help,$faq,$bug,$stayOnPage,$width,$height,$text)
  	= @_;
      $stayOnPage = 0 if (not defined $stayOnPage);
+     # only use pop-up help (stayOnPage == 0)
+     # if environment.remote is on (using remote control UI)
      if ($env{'browser.interface'} eq 'textual' ||
- 	$env{'environment.remote'} eq 'off' ) {
+     	$env{'environment.remote'} eq 'off' ) {
- 	$stayOnPage=1;
+         $stayOnPage=1;
      }
      my $output;
      if ($component_help) {
- Line 839  sub help_open_menu {
+ Line 826  sub help_open_menu {
  sub top_nav_help {
      my ($text) = @_;
      $text = &mt($text);
+     my $stay_on_page =
-     my $stayOnPage =
  	($env{'browser.interface'}  eq 'textual' ||
  	 $env{'environment.remote'} eq 'off' );
-     my $link=  ($stayOnPage) ? "javascript:helpMenu('display')"
+     my $link = ($stay_on_page) ? "javascript:helpMenu('display')"
  	                     : "javascript:helpMenu('open')";
-     my $banner_link = &update_help_link(undef,undef,undef,undef,$stayOnPage);
+     my $banner_link = &update_help_link(undef,undef,undef,undef,$stay_on_page);
      my $title = &mt('Get help');
- Line 875  sub help_menu_js {
+ Line 860  sub help_menu_js {
  					'js_ready'    => 1,
  					'add_entries' => {
  					    'border' => '0',
- 					    'rows'   => "105,*",},});
+ 					    'rows'   => "110,*",},});
      my $end_page =
          &Apache::loncommon::end_page({'frameset' => 1,
  				      'js_ready' => 1,});
- Line 1089  sub changable_area {
+ Line 1074  sub changable_area {
  =pod
- =back
+ =item * viewport_geometry_js {
+ Provides javascript object (Geometry) which can provide information about the viewport geometry for the client browser.
+ =cut
+ sub viewport_geometry_js {
+     return <<"GEOMETRY";
+ var Geometry = {};
+ function init_geometry() {
+     if (Geometry.init) { return };
+     Geometry.init=1;
+     if (window.innerHeight) {
+         Geometry.getViewportHeight   = function() { return window.innerHeight; };
+         Geometry.getViewportWidth   = function() { return window.innerWidth; };
+         Geometry.getHorizontalScroll = function() { return window.pageXOffset; };
+         Geometry.getVerticalScroll   = function() { return window.pageYOffset; };
+     }
+     else if (document.documentElement && document.documentElement.clientHeight) {
+         Geometry.getViewportHeight =
+             function() { return document.documentElement.clientHeight; };
+         Geometry.getViewportWidth =
+             function() { return document.documentElement.clientWidth; };
+         Geometry.getHorizontalScroll =
+             function() { return document.documentElement.scrollLeft; };
+         Geometry.getVerticalScroll =
+             function() { return document.documentElement.scrollTop; };
+     }
+     else if (document.body.clientHeight) {
+         Geometry.getViewportHeight =
+             function() { return document.body.clientHeight; };
+         Geometry.getViewportWidth =
+             function() { return document.body.clientWidth; };
+         Geometry.getHorizontalScroll =
+             function() { return document.body.scrollLeft; };
+         Geometry.getVerticalScroll =
+             function() { return document.body.scrollTop; };
+     }
+ }
+ GEOMETRY
+ }
+ =pod
+ =item * viewport_size_js {
+ Provides a javascript function to set values of two form elements - width and height (elements are passed in as arguments to the javascript function) to the dimensions of the user's browser window.
+ =cut
+ sub viewport_size_js {
+     my $geometry = &viewport_geometry_js();
+     return <<"DIMS";
+ $geometry
+ function getViewportDims(width,height) {
+     init_geometry();
+     width.value = Geometry.getViewportWidth();
+     height.value = Geometry.getViewportHeight();
+     return;
+ }
+ DIMS
+ }
+ =pod
+ =item * resize_textarea_js
+ emits the needed javascript to resize a textarea to be as big as possible
+ creates a function resize_textrea that takes two IDs first should be
+ the id of the element to resize, second should be the id of a div that
+ surrounds everything that comes after the textarea, this routine needs
+ to be attached to the <body> for the onload and onresize events.
+ =cut
+ sub resize_textarea_js {
+     my $geometry = &viewport_geometry_js();
+     return <<"RESIZE";
+     <script type="text/javascript">
+ $geometry
+ function getX(element) {
+     var x = 0;
+     while (element) {
+ 	x += element.offsetLeft;
+ 	element = element.offsetParent;
+     }
+     return x;
+ }
+ function getY(element) {
+     var y = 0;
+     while (element) {
+ 	y += element.offsetTop;
+ 	element = element.offsetParent;
+     }
+     return y;
+ }
+ function resize_textarea(textarea_id,bottom_id) {
+     init_geometry();
+     var textarea        = document.getElementById(textarea_id);
+     //alert(textarea);
+     var textarea_top    = getY(textarea);
+     var textarea_height = textarea.offsetHeight;
+     var bottom          = document.getElementById(bottom_id);
+     var bottom_top      = getY(bottom);
+     var bottom_height   = bottom.offsetHeight;
+     var window_height   = Geometry.getViewportHeight();
+     var fudge           = 23;
+     var new_height      = window_height-fudge-textarea_top-bottom_height;
+     if (new_height < 300) {
+ 	new_height = 300;
+     }
+     textarea.style.height=new_height+'px';
+ }
+ </script>
+ RESIZE
+ }
+ =pod
+ =back
  =head1 Excel and CSV file utility routines
  =over 4
- Line 1224  sub create_workbook {
+ Line 1341  sub create_workbook {
  =item * create_text_file
- Create a file to write to and eventually make available to the usre.
+ Create a file to write to and eventually make available to the user.
  If file creation fails, outputs an error message on the request object and
  return undefs.
- Line 1265  sub create_text_file {
+ Line 1382  sub create_text_file {
  ##        Home server <option> list generating code          ##
  ###############################################################
- =pod
- =head1 Home Server option list generating code
- =over 4
- =item * get_domains()
- Returns an array containing each of the domains listed in the hosts.tab
- file.
- =cut
- #-------------------------------------------
- sub get_domains {
-     # The code below was stolen from "The Perl Cookbook", p 102, 1st ed.
-     my @domains;
-     my %seen;
-     foreach my $dom (sort(values(%Apache::lonnet::hostdom))) {
- 	push(@domains,$dom) unless $seen{$dom}++;
-     }
-     return @domains;
- }
  # ------------------------------------------
  sub domain_select {
      my ($name,$value,$multiple)=@_;
      my %domains=map {
- 	$_ => $_.' '.$Apache::lonnet::domaindescription{$_}
+ 	$_ => $_.' '. &Apache::lonnet::domain($_,'description')
-     } &get_domains;
+     } &Apache::lonnet::all_domains();
      if ($multiple) {
  	$domains{''}=&mt('Any domain');
+ 	$domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
  	return &multiple_select_form($name,$value,4,\%domains);
      } else {
+ 	$domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
  	return &select_form($name,$value,%domains);
      }
  }
- Line 1308  sub domain_select {
+ Line 1403  sub domain_select {
  =pod
+ =head1 Routines for form select boxes
+ =over 4
  =item * multiple_select_form($name,$value,$size,$hash,$order)
  Returns a string containing a <select> element int multiple mode
- Line 1315  Returns a string containing a <select> e
+ Line 1414  Returns a string containing a <select> e
  Args:
    $name - name of the <select> element
-   $value - sclara or array ref of values that should already be selected
+   $value - scalar or array ref of values that should already be selected
    $size - number of rows long the select element is
    $hash - the elements should be 'option' => 'shown text'
            (shown text should already have been &mt())
-   $order - (optional) array ref of the order to show the elments in
+   $order - (optional) array ref of the order to show the elements in
  =cut
- Line 1335  sub multiple_select_form {
+ Line 1434  sub multiple_select_form {
          }
      }
      $output.="\n<select name='$name' size='$size' multiple='1'>";
-     my @order = ref($order) ? @$order
+     my @order;
-                             : sort(keys(%$hash));
+     if (ref($order) eq 'ARRAY')  {
+         @order = @{$order};
+     } else {
+         @order = sort(keys(%$hash));
+     }
+     if (exists($$hash{'select_form_order'})) {
+         @order = @{$$hash{'select_form_order'}};
+     }
      foreach my $key (@order) {
          $output.='<option value="'.&HTML::Entities::encode($key,'"<>&').'" ';
          $output.='selected="selected" ' if ($selected{$key});
- Line 1437  sub select_level_form {
+ Line 1544  sub select_level_form {
  =pod
- =item * select_dom_form($defdom,$name,$includeempty)
+ =item * select_dom_form($defdom,$name,$includeempty,$showdomdesc)
  Returns a string containing a <select name='$name' size='1'> form to
  allow a user to select the domain to preform an operation in.
- Line 1446  See loncreateuser.pm for an example invo
+ Line 1553  See loncreateuser.pm for an example invo
  If the $includeempty flag is set, it also includes an empty choice ("no domain
  selected");
+ If the $showdomdesc flag is set, the domain name is followed by the domain description.
  =cut
  #-------------------------------------------
  sub select_dom_form {
-     my ($defdom,$name,$includeempty) = @_;
+     my ($defdom,$name,$includeempty,$showdomdesc) = @_;
-     my @domains = get_domains();
+     my @domains = sort {lc($a) cmp lc($b)} (&Apache::lonnet::all_domains());
      if ($includeempty) { @domains=('',@domains); }
      my $selectdomain = "<select name=\"$name\" size=\"1\">\n";
      foreach my $dom (@domains) {
          $selectdomain.="<option value=\"$dom\" ".
-             ($dom eq $defdom ? 'selected="selected" ' : '').
+             ($dom eq $defdom ? 'selected="selected" ' : '').'>'.$dom;
-                 ">$dom</option>\n";
+         if ($showdomdesc) {
+             if ($dom ne '') {
+                 my $domdesc = &Apache::lonnet::domain($dom,'description');
+                 if ($domdesc ne '') {
+                     $selectdomain .= ' ('.$domdesc.')';
+                 }
+             }
+         }
+         $selectdomain .= "</option>\n";
      }
      $selectdomain.="</select>";
      return $selectdomain;
- Line 1467  sub select_dom_form {
+ Line 1584  sub select_dom_form {
  =pod
- =item * get_library_servers($domain)
+ =item * home_server_form_item($domain,$name,$defaultflag)
- Returns a hash which contains keys like '103l3' and values like
+ input: 4 arguments (two required, two optional) -
- 'kirk.lite.msu.edu'.  All of the keys will be for machines in the
+     $domain - domain of new user
- given $domain.
+     $name - name of form element
+     $default - Value of 'default' causes a default item to be first
+                             option, and selected by default.
+     $hide - Value of 'hide' causes hiding of the name of the server,
+                             if 1 server found, or default, if 0 found.
+ output: returns 2 items:
+ (a) form element which contains either:
+    (i) <select name="$name">
+         <option value="$hostid1">$hostid $servers{$hostid}</option>
+         <option value="$hostid2">$hostid $servers{$hostid}</option>
+        </select>
+        form item if there are multiple library servers in $domain, or
+    (ii) an <input type="hidden" name="$name" value="$hostid" /> form item
+        if there is only one library server in $domain.
- =cut
+ (b) number of library servers found.
- #-------------------------------------------
- sub get_library_servers {
-     my $domain = shift;
-     my %library_servers;
-     foreach my $hostid (keys(%Apache::lonnet::libserv)) {
-         if ($Apache::lonnet::hostdom{$hostid} eq $domain) {
-             $library_servers{$hostid} = $Apache::lonnet::hostname{$hostid};
-         }
-     }
-     return %library_servers;
- }
- #-------------------------------------------
- =pod
- =item * home_server_option_list($domain)
- returns a string which contains an <option> list to be used in a
+ See loncreateuser.pm for example of use.
- <select> form input.  See loncreateuser.pm for an example.
  =cut
  #-------------------------------------------
- sub home_server_option_list {
+ sub home_server_form_item {
-     my $domain = shift;
+     my ($domain,$name,$default,$hide) = @_;
-     my %servers = &get_library_servers($domain);
+     my %servers = &Apache::lonnet::get_servers($domain,'library');
-     my $result = '';
+     my $result;
-     foreach my $hostid (sort(keys(%servers))) {
+     my $numlib = keys(%servers);
-         $result.=
+     if ($numlib > 1) {
-             '<option value="'.$hostid.'">'.
+         $result .= '<select name="'.$name.'" />'."\n";
- 	    $hostid.' '.$servers{$hostid}."</option>\n";
+         if ($default) {
+             $result .= '<option value="default" selected>'.&mt('default').
+                        '</option>'."\n";
+         }
+         foreach my $hostid (sort(keys(%servers))) {
+             $result.= '<option value="'.$hostid.'">'.
+ 	              $hostid.' '.$servers{$hostid}."</option>\n";
+         }
+         $result .= '</select>'."\n";
+     } elsif ($numlib == 1) {
+         my $hostid;
+         foreach my $item (keys(%servers)) {
+             $hostid = $item;
+         }
+         $result .= '<input type="hidden" name="'.$name.'" value="'.
+                    $hostid.'" />';
+                    if (!$hide) {
+                        $result .= $hostid.' '.$servers{$hostid};
+                    }
+                    $result .= "\n";
+     } elsif ($default) {
+         $result .= '<input type="hidden" name="'.$name.
+                    '" value="default" />';
+                    if (!$hide) {
+                        $result .= &mt('default');
+                    }
+                    $result .= "\n";
      }
-     return $result;
+     return ($result,$numlib);
  }
  =pod
  =back
  =cut
- Line 1661  END
+ Line 1798  END
      }
      my $radioval = "'nochange'";
-     if (exists($in{'curr_authtype'}) &&
+     if (defined($in{'curr_authtype'})) {
-         defined($in{'curr_authtype'}) &&
+         if ($in{'curr_authtype'} ne '') {
-         $in{'curr_authtype'} ne '') {
+             $radioval = "'".$in{'curr_authtype'}."arg'";
-         $radioval = "'$in{'curr_authtype'}arg'";
+         }
      }
      my $argfield = 'null';
-     if ( grep/^mode$/,(keys %in) ) {
+     if (defined($in{'mode'})) {
          if ($in{'mode'} eq 'modifycourse')  {
-             if ( grep/^curr_authtype$/,(keys %in) ) {
+             if (defined($in{'curr_autharg'})) {
-                 $radioval = "'$in{'curr_authtype'}'";
+                 if ($in{'curr_autharg'} ne '') {
-             }
-             if ( grep/^curr_autharg$/,(keys %in) ) {
-                 unless ($in{'curr_autharg'} eq '') {
                      $argfield = "'$in{'curr_autharg'}'";
                  }
              }
- Line 1756  sub authform_nochange{
+ Line 1890  sub authform_nochange{
                kerb_def_dom => 'MSU.EDU',
                @_,
            );
-     my $result = '<label>'.&mt('[_1] Do not change login data',
+     my ($authnum,%can_assign) =  &get_assignable_auth($in{'domain'});
-                      '<input type="radio" name="login" value="nochange" '.
+     my $result;
-                      'checked="checked" onclick="'.
+     if (keys(%can_assign) == 0) {
+         $result = &mt('Under you current role you are not permitted to change login settings for this user');
+     } else {
+         $result = '<label>'.&mt('[_1] Do not change login data',
+                   '<input type="radio" name="login" value="nochange" '.
+                   'checked="checked" onclick="'.
              "javascript:changed_radio('nochange',$in{'formname'});".'" />').
  	    '</label>';
+     }
      return $result;
  }
- sub authform_kerberos{
+ sub authform_kerberos {
      my %in = (
                formname => 'document.cu',
                kerb_def_dom => 'MSU.EDU',
                kerb_def_auth => 'krb4',
                @_,
                );
-     my ($check4,$check5,$krbarg);
+     my ($check4,$check5,$krbcheck,$krbarg,$krbver,$result,$authtype,
+         $autharg,$jscall);
+     my ($authnum,%can_assign) =  &get_assignable_auth($in{'domain'});
      if ($in{'kerb_def_auth'} eq 'krb5') {
-        $check5 = " checked=\"on\"";
+        $check5 = ' checked="on"';
      } else {
-        $check4 = " checked=\"on\"";
+        $check4 = ' checked="on"';
      }
      $krbarg = $in{'kerb_def_dom'};
+     if (defined($in{'curr_authtype'})) {
-     my $krbcheck = "";
+         if ($in{'curr_authtype'} eq 'krb') {
-     if ( grep/^curr_authtype$/,(keys %in) ) {
+             $krbcheck = ' checked="on"';
-         if ($in{'curr_authtype'} =~ m/^krb/) {
+             if (defined($in{'curr_kerb_ver'})) {
-             $krbcheck = " checked=\"on\"";
+                 if ($in{'curr_krb_ver'} eq '5') {
-             if ( grep/^curr_autharg$/,(keys %in) ) {
+                     $check5 = ' checked="on"';
+                     $check4 = '';
+                 } else {
+                     $check4 = ' checked="on"';
+                     $check5 = '';
+                 }
+             }
+             if (defined($in{'curr_autharg'})) {
                  $krbarg = $in{'curr_autharg'};
              }
+             if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
+                 if (defined($in{'curr_autharg'})) {
+                     $result =
+     &mt('Currently Kerberos authenticated with domain [_1] Version [_2].',
+         $in{'curr_autharg'},$krbver);
+                 } else {
+                     $result =
+     &mt('Currently Kerberos authenticated, Version [_1].',$krbver);
+                 }
+                 return $result;
+             }
+         }
+     } else {
+         if ($authnum == 1) {
+             $authtype = '<input type="hidden" name="login" value="krb">';
          }
      }
+     if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
-     my $jscall = "javascript:changed_radio('krb',$in{'formname'});";
+         return;
-     my $result .= &mt
+     } elsif ($authtype eq '') {
+         if (defined($in{'mode'})) {
+             if ($in{'mode'} eq 'modifycourse') {
+                 if ($authnum == 1) {
+                     $authtype = '<input type="hidden" name="login" value="krb">';
+                 }
+             }
+         }
+     }
+     $jscall = "javascript:changed_radio('krb',$in{'formname'});";
+     if ($authtype eq '') {
+         $authtype = '<input type="radio" name="login" value="krb" '.
+                     'onclick="'.$jscall.'" onchange="'.$jscall.'"'.
+                     $krbcheck.' />';
+     }
+     if (($can_assign{'krb4'} && $can_assign{'krb5'}) ||
+         ($can_assign{'krb4'} && !$can_assign{'krb5'} &&
+          $in{'curr_authtype'} eq 'krb5') ||
+         (!$can_assign{'krb4'} && $can_assign{'krb5'} &&
+          $in{'curr_authtype'} eq 'krb4')) {
+         $result .= &mt
          ('[_1] Kerberos authenticated with domain [_2] '.
           '[_3] Version 4 [_4] Version 5 [_5]',
-          '<label><input type="radio" name="login" value="krb" '.
+          '<label>'.$authtype,
-              'onclick="'.$jscall.'" onchange="'.$jscall.'"'.$krbcheck.' />',
           '</label><input type="text" size="10" name="krbarg" '.
               'value="'.$krbarg.'" '.
               'onchange="'.$jscall.'" />',
           '<label><input type="radio" name="krbver" value="4" '.$check4.' />',
           '</label><label><input type="radio" name="krbver" value="5" '.$check5.' />',
  	 '</label>');
+     } elsif ($can_assign{'krb4'}) {
+         $result .= &mt
+         ('[_1] Kerberos authenticated with domain [_2] '.
+          '[_3] Version 4 [_4]',
+          '<label>'.$authtype,
+          '</label><input type="text" size="10" name="krbarg" '.
+              'value="'.$krbarg.'" '.
+              'onchange="'.$jscall.'" />',
+          '<label><input type="hidden" name="krbver" value="4" />',
+          '</label>');
+     } elsif ($can_assign{'krb5'}) {
+         $result .= &mt
+         ('[_1] Kerberos authenticated with domain [_2] '.
+          '[_3] Version 5 [_4]',
+          '<label>'.$authtype,
+          '</label><input type="text" size="10" name="krbarg" '.
+              'value="'.$krbarg.'" '.
+              'onchange="'.$jscall.'" />',
+          '<label><input type="hidden" name="krbver" value="5" />',
+          '</label>');
+     }
      return $result;
  }
  sub authform_internal{
-     my %args = (
+     my %in = (
                  formname => 'document.cu',
                  kerb_def_dom => 'MSU.EDU',
                  @_,
                  );
+     my ($intcheck,$intarg,$result,$authtype,$autharg,$jscall);
-     my $intcheck = "";
+     my ($authnum,%can_assign) =  &get_assignable_auth($in{'domain'});
-     my $intarg = 'value=""';
+     if (defined($in{'curr_authtype'})) {
-     if ( grep/^curr_authtype$/,(keys %args) ) {
+         if ($in{'curr_authtype'} eq 'int') {
-         if ($args{'curr_authtype'} eq 'int') {
+             if ($can_assign{'int'}) {
-             $intcheck = " checked=\"on\"";
+                 $intcheck = 'checked="on" ';
-             if ( grep/^curr_autharg$/,(keys %args) ) {
+                 if (defined($in{'curr_autharg'})) {
-                 $intarg = "value=\"$args{'curr_autharg'}\"";
+                     $intarg = $in{'curr_autharg'};
+                 }
+             } else {
+                 $result = &mt('Currently internally authenticated.');
+                 return $result;
              }
          }
+     } else {
+         if ($authnum == 1) {
+             $authtype = '<input type="hidden" name="login" value="int">';
+         }
      }
+     if (!$can_assign{'int'}) {
-     my $jscall = "javascript:changed_radio('int',$args{'formname'});";
+         return;
-     my $result.=&mt
+     } elsif ($authtype eq '') {
+         if (defined($in{'mode'})) {
+             if ($in{'mode'} eq 'modifycourse') {
+                 if ($authnum == 1) {
+                     $authtype = '<input type="hidden" name="login" value="int">';
+                 }
+             }
+         }
+     }
+     $jscall = "javascript:changed_radio('int',$in{'formname'});";
+     if ($authtype eq '') {
+         $authtype = '<input type="radio" name="login" value="int" '.$intcheck.
+                     ' onchange="'.$jscall.'" onclick="'.$jscall.'" />';
+     }
+     $autharg = '<input type="text" size="10" name="intarg" value="'.
+                $intarg.'" onchange="'.$jscall.'" />';
+     $result = &mt
          ('[_1] Internally authenticated (with initial password [_2])',
-          '<label><input type="radio" name="login" value="int" '.$intcheck.
+          '<label>'.$authtype,'</label>'.$autharg);
-              ' onchange="'.$jscall.'" onclick="'.$jscall.'" />',
-          '</label><input type="text" size="10" name="intarg" '.$intarg.
-              ' onchange="'.$jscall.'" />');
      return $result;
  }
- Line 1838  sub authform_local{
+ Line 2063  sub authform_local{
                kerb_def_dom => 'MSU.EDU',
                @_,
                );
+     my ($loccheck,$locarg,$result,$authtype,$autharg,$jscall);
-     my $loccheck = "";
+     my ($authnum,%can_assign) =  &get_assignable_auth($in{'domain'});
-     my $locarg = 'value=""';
+     if (defined($in{'curr_authtype'})) {
-     if ( grep/^curr_authtype$/,(keys %in) ) {
          if ($in{'curr_authtype'} eq 'loc') {
-             $loccheck = " checked=\"on\"";
+             if ($can_assign{'loc'}) {
-             if ( grep/^curr_autharg$/,(keys %in) ) {
+                 $loccheck = 'checked="on" ';
-                 $locarg = "value=\"$in{'curr_autharg'}\"";
+                 if (defined($in{'curr_autharg'})) {
+                     $locarg = $in{'curr_autharg'};
+                 }
+             } else {
+                 $result = &mt('Currently using local (institutional) authentication.');
+                 return $result;
              }
          }
+     } else {
+         if ($authnum == 1) {
+             $authtype = '<input type="hidden" name="login" value="loc">';
+         }
      }
+     if (!$can_assign{'loc'}) {
-     my $jscall = "javascript:changed_radio('loc',$in{'formname'});";
+         return;
-     my $result.=&mt('[_1] Local Authentication with argument [_2]',
+     } elsif ($authtype eq '') {
-                     '<label><input type="radio" name="login" value="loc" '.$loccheck.
+         if (defined($in{'mode'})) {
-                         ' onchange="'.$jscall.'" onclick="'.$jscall.'" />',
+             if ($in{'mode'} eq 'modifycourse') {
-                     '</label><input type="text" size="10" name="locarg" '.$locarg.
+                 if ($authnum == 1) {
-                         ' onchange="'.$jscall.'" />');
+                     $authtype = '<input type="hidden" name="login" value="loc">';
+                 }
+             }
+         }
+     }
+     $jscall = "javascript:changed_radio('loc',$in{'formname'});";
+     if ($authtype eq '') {
+         $authtype = '<input type="radio" name="login" value="loc" '.
+                     $loccheck.' onchange="'.$jscall.'" onclick="'.
+                     $jscall.'" />';
+     }
+     $autharg = '<input type="text" size="10" name="locarg" value="'.
+                $locarg.'" onchange="'.$jscall.'" />';
+     $result = &mt('[_1] Local Authentication with argument [_2]',
+                   '<label>'.$authtype,'</label>'.$autharg);
      return $result;
  }
- Line 1865  sub authform_filesystem{
+ Line 2112  sub authform_filesystem{
                kerb_def_dom => 'MSU.EDU',
                @_,
                );
-     my $jscall = "javascript:changed_radio('fsys',$in{'formname'});";
+     my ($fsyscheck,$result,$authtype,$autharg,$jscall);
-     my $result.= &mt
+     my ($authnum,%can_assign) =  &get_assignable_auth($in{'domain'});
+     if (defined($in{'curr_authtype'})) {
+         if ($in{'curr_authtype'} eq 'fsys') {
+             if ($can_assign{'fsys'}) {
+                 $fsyscheck = 'checked="on" ';
+             } else {
+                 $result = &mt('Currently Filesystem Authenticated.');
+                 return $result;
+             }
+         }
+     } else {
+         if ($authnum == 1) {
+             $authtype = '<input type="hidden" name="login" value="fsys">';
+         }
+     }
+     if (!$can_assign{'fsys'}) {
+         return;
+     } elsif ($authtype eq '') {
+         if (defined($in{'mode'})) {
+             if ($in{'mode'} eq 'modifycourse') {
+                 if ($authnum == 1) {
+                     $authtype = '<input type="hidden" name="login" value="fsys">';
+                 }
+             }
+         }
+     }
+     $jscall = "javascript:changed_radio('fsys',$in{'formname'});";
+     if ($authtype eq '') {
+         $authtype = '<input type="radio" name="login" value="fsys" '.
+                     $fsyscheck.' onchange="'.$jscall.'" onclick="'.
+                     $jscall.'" />';
+     }
+     $autharg = '<input type="text" size="10" name="fsysarg" value=""'.
+                ' onchange="'.$jscall.'" />';
+     $result = &mt
          ('[_1] Filesystem Authenticated (with initial password [_2])',
           '<label><input type="radio" name="login" value="fsys" '.
-          'onchange="'.$jscall.'" onclick="'.$jscall.'" />',
+          $fsyscheck.'onchange="'.$jscall.'" onclick="'.$jscall.'" />',
           '</label><input type="text" size="10" name="fsysarg" value="" '.
                    'onchange="'.$jscall.'" />');
      return $result;
  }
+ sub get_assignable_auth {
+     my ($dom) = @_;
+     if ($dom eq '') {
+         $dom = $env{'request.role.domain'};
+     }
+     my %can_assign = (
+                           krb4 => 1,
+                           krb5 => 1,
+                           int  => 1,
+                           loc  => 1,
+                      );
+     my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$dom);
+     if (ref($domconfig{'usercreation'}) eq 'HASH') {
+         if (ref($domconfig{'usercreation'}{'authtypes'}) eq 'HASH') {
+             my $authhash = $domconfig{'usercreation'}{'authtypes'};
+             my $context;
+             if ($env{'request.role'} =~ /^au/) {
+                 $context = 'author';
+             } elsif ($env{'request.role'} =~ /^dc/) {
+                 $context = 'domain';
+             } elsif ($env{'request.course.id'}) {
+                 $context = 'course';
+             }
+             if ($context) {
+                 if (ref($authhash->{$context}) eq 'HASH') {
+                    %can_assign = %{$authhash->{$context}};
+                 }
+             }
+         }
+     }
+     my $authnum = 0;
+     foreach my $key (keys(%can_assign)) {
+         if ($can_assign{$key}) {
+             $authnum ++;
+         }
+     }
+     if ($can_assign{'krb4'} && $can_assign{'krb5'}) {
+         $authnum --;
+     }
+     return ($authnum,%can_assign);
+ }
  ###############################################################
  ##    Get Authentication Defaults for Domain                 ##
  ###############################################################
- Line 1903  If target_domain is not found in domain.
+ Line 2226  If target_domain is not found in domain.
  #-------------------------------------------
  sub get_auth_defaults {
      my $domain=shift;
-     return ($Apache::lonnet::domain_auth_def{$domain},$Apache::lonnet::domain_auth_arg_def{$domain});
+     return (&Apache::lonnet::domain($domain,'auth_def'),
+ 	    &Apache::lonnet::domain($domain,'auth_arg_def'));
  }
  ###############################################################
  ##   End Get Authentication Defaults for Domain              ##
- Line 1998  sub initialize_keywords {
+ Line 2323  sub initialize_keywords {
      # Remove special values from %Keywords.
      foreach my $value ('total.count','average.count') {
          delete($Keywords{$value}) if (exists($Keywords{$value}));
-     }
+   }
      return 1;
  }
- Line 2098  if $first is set to 'lastname' then it r
+ Line 2423  if $first is set to 'lastname' then it r
  ###############################################################
  sub plainname {
      my ($uname,$udom,$first)=@_;
+     return if (!defined($uname) || !defined($udom));
      my %names=&getnames($uname,$udom);
      my $name=&Apache::lonnet::format_name($names{'firstname'},
  					  $names{'middlename'},
- Line 2129  if the user does not
+ Line 2455  if the user does not
  sub nickname {
      my ($uname,$udom)=@_;
+     return if (!defined($uname) || !defined($udom));
      my %names=&getnames($uname,$udom);
      my $name=$names{'nickname'};
      if ($name) {
- Line 2144  sub nickname {
+ Line 2471  sub nickname {
  sub getnames {
      my ($uname,$udom)=@_;
+     return if (!defined($uname) || !defined($udom));
      if ($udom eq 'public' && $uname eq 'public') {
  	return ('lastname' => &mt('Public'));
      }
- Line 2160  sub getnames {
+ Line 2488  sub getnames {
      }
  }
+ # -------------------------------------------------------------------- getemails
+ =pod
+ =item * getemails($uname,$udom)
+ Gets a user's email information and returns it as a hash with keys:
+ notification, critnotification, permanentemail
+ For notification and critnotification, values are comma-separated lists
+ of e-mail address(es); for permanentemail, value is a single e-mail address.
+ =cut
  sub getemails {
      my ($uname,$udom)=@_;
      if ($udom eq 'public' && $uname eq 'public') {
- Line 2181  sub getemails {
+ Line 2522  sub getemails {
      }
  }
+ sub flush_email_cache {
+     my ($uname,$udom)=@_;
+     if (!$udom)  { $udom =$env{'user.domain'}; }
+     if (!$uname) { $uname=$env{'user.name'};   }
+     return if ($udom eq 'public' && $uname eq 'public');
+     my $id=$uname.':'.$udom;
+     &Apache::lonnet::devalidate_cache_new('emailscache',$id);
+ }
  # ------------------------------------------------------------------ Screenname
  =pod
- Line 2254  sub track_student_link {
+ Line 2604  sub track_student_link {
          $target = '';
      }
      if ($start) { $link.='&amp;start='.$start; }
+     $title = &mt($title);
+     $linktext = &mt($linktext);
      return qq{<a href="$link" title="$title" $target>$linktext</a>}.
  	&help_open_topic('View_recent_activity');
  }
+ # ===================================================== Display a student photo
+ sub student_image_tag {
+     my ($domain,$user)=@_;
+     my $imgsrc=&Apache::lonnet::studentphoto($domain,$user,'jpg');
+     if (($imgsrc) && ($imgsrc ne '/adm/lonKaputt/lonlogo_broken.gif')) {
+ 	return '<img src="'.$imgsrc.'" align="right" />';
+     } else {
+ 	return '';
+     }
+ }
  =pod
  =back
- Line 2470  sub preferred_languages {
+ Line 2834  sub preferred_languages {
  	@languages=(@languages,
  		    split(/\s*(\,|\;|\:)\s*/,$env{'environment.languages'}));
      }
-     my $browser=(split(/\;/,$ENV{'HTTP_ACCEPT_LANGUAGE'}))[0];
+     my $browser=$ENV{'HTTP_ACCEPT_LANGUAGE'};
      if ($browser) {
- 	@languages=(@languages,split(/\s*(\,|\;|\:)\s*/,$browser));
+ 	my @browser =
+ 	    map { (split(/\s*;\s*/,$_))[0] } (split(/\s*,\s*/,$browser));
+ 	push(@languages,@browser);
      }
-     if ($Apache::lonnet::domain_lang_def{$env{'user.domain'}}) {
+     if (&Apache::lonnet::domain($env{'user.domain'},'lang_def')) {
  	@languages=(@languages,
- 		$Apache::lonnet::domain_lang_def{$env{'user.domain'}});
+ 		    &Apache::lonnet::domain($env{'user.domain'},
+ 					    'lang_def'));
      }
-     if ($Apache::lonnet::domain_lang_def{$env{'request.role.domain'}}) {
+     if (&Apache::lonnet::domain($env{'request.role.domain'},'lang_def')) {
  	@languages=(@languages,
- 		$Apache::lonnet::domain_lang_def{$env{'request.role.domain'}});
+ 		    &Apache::lonnet::domain($env{'request.role.domain'},
+ 					    'lang_def'));
      }
-     if ($Apache::lonnet::domain_lang_def{
+     if (&Apache::lonnet::domain($Apache::lonnet::perlvar{'lonDefDomain'},
- 	                          $Apache::lonnet::perlvar{'lonDefDomain'}}) {
+ 				'lang_def')) {
  	@languages=(@languages,
- 		$Apache::lonnet::domain_lang_def{
+ 		    &Apache::lonnet::domain($Apache::lonnet::perlvar{'lonDefDomain'},
-                                   $Apache::lonnet::perlvar{'lonDefDomain'}});
+ 					    'lang_def'));
      }
  # turn "en-ca" into "en-ca,en"
      my @genlanguages;
      foreach my $lang (@languages) {
  	unless ($lang=~/\w/) { next; }
- 	push (@genlanguages,$lang);
+ 	push(@genlanguages,$lang);
  	if ($lang=~/(\-|\_)/) {
  	    push(@genlanguages,(split(/(\-|\_)/,$lang))[0]);
  	}
      }
+     #uniqueify the languages list
+     my %count;
+     @genlanguages = map { $count{$_}++ == 0 ? $_ : () } @genlanguages;
      return @genlanguages;
  }
+ sub languages {
+     my ($possible_langs) = @_;
+     my @preferred_langs = &preferred_languages();
+     if (!ref($possible_langs)) {
+ 	if( wantarray ) {
+ 	    return @preferred_langs;
+ 	} else {
+ 	    return $preferred_langs[0];
+ 	}
+     }
+     my %possibilities = map { $_ => 1 } (@$possible_langs);
+     my @preferred_possibilities;
+     foreach my $preferred_lang (@preferred_langs) {
+ 	if (exists($possibilities{$preferred_lang})) {
+ 	    push(@preferred_possibilities, $preferred_lang);
+ 	}
+     }
+     if( wantarray ) {
+ 	return @preferred_possibilities;
+     }
+     return $preferred_possibilities[0];
+ }
  ###############################################################
  ##               Student Answer Attempts                     ##
  ###############################################################
- Line 2554  sub get_previous_attempt {
+ Line 2948  sub get_previous_attempt {
  	  $lasthash{$key}=$returnhash{$version.':'.$key};
          }
        }
-       $prevattempts='<table border="0" width="100%"><tr><td bgcolor="#777777">';
+       $prevattempts=&start_data_table().&start_data_table_header_row();
-       $prevattempts.='<table border="0" width="100%"><tr bgcolor="#e6ffff"><td>History</td>';
+       $prevattempts.='<th>'.&mt('History').'</th>';
        foreach my $key (sort(keys(%lasthash))) {
  	my ($ign,@parts) = split(/\./,$key);
  	if ($#parts > 0) {
  	  my $data=$parts[-1];
  	  pop(@parts);
- 	  $prevattempts.='<td>Part '.join('.',@parts).'<br />'.$data.'&nbsp;</td>';
+ 	  $prevattempts.='<th>'.&mt('Part ').join('.',@parts).'<br />'.$data.'&nbsp;</th>';
  	} else {
  	  if ($#parts == 0) {
  	    $prevattempts.='<th>'.$parts[0].'</th>';
- Line 2570  sub get_previous_attempt {
+ Line 2964  sub get_previous_attempt {
  	  }
  	}
        }
+       $prevattempts.=&end_data_table_header_row();
        if ($getattempt eq '') {
  	for ($version=1;$version<=$returnhash{'version'};$version++) {
- 	  $prevattempts.='</tr><tr bgcolor="#ffffe6"><td>Transaction '.$version.'</td>';
+ 	  $prevattempts.=&start_data_table_row().
+ 	      '<td>'.&mt('Transaction [_1]',$version).'</td>';
  	    foreach my $key (sort(keys(%lasthash))) {
- 	       my $value;
+ 		my $value = &format_previous_attempt_value($key,
- 	       if ($key =~ /timestamp/) {
+ 							   $returnhash{$version.':'.$key});
- 		  $value=scalar(localtime($returnhash{$version.':'.$key}));
+ 		$prevattempts.='<td>'.$value.'&nbsp;</td>';
- 	       } else {
- 		  $value=$returnhash{$version.':'.$key};
- 	       }
- 	       $prevattempts.='<td>'.&unescape($value).'&nbsp;</td>';
  	    }
+ 	  $prevattempts.=&end_data_table_row();
  	 }
        }
-       $prevattempts.='</tr><tr bgcolor="#ffffe6"><td>Current</td>';
+       $prevattempts.=&start_data_table_row().'<td>'.&mt('Current').'</td>';
        foreach my $key (sort(keys(%lasthash))) {
- 	my $value;
+ 	my $value = &format_previous_attempt_value($key,$lasthash{$key});
- 	if ($key =~ /timestamp/) {
- 	  $value=scalar(localtime($lasthash{$key}));
- 	} else {
- 	  $value=$lasthash{$key};
- 	}
- 	$value=&unescape($value);
  	if ($key =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)}
  	$prevattempts.='<td>'.$value.'&nbsp;</td>';
        }
-       $prevattempts.='</tr></table></td></tr></table>';
+       $prevattempts.= &end_data_table_row().&end_data_table();
      } else {
-       $prevattempts='Nothing submitted - no attempts.';
+       $prevattempts=
+ 	  &start_data_table().&start_data_table_row().
+ 	  '<td>'.&mt('Nothing submitted - no attempts.').'</td>'.
+ 	  &end_data_table_row().&end_data_table();
      }
    } else {
-     $prevattempts='No data.';
+     $prevattempts=
+ 	  &start_data_table().&start_data_table_row().
+ 	  '<td>'.&mt('No data.').'</td>'.
+ 	  &end_data_table_row().&end_data_table();
    }
  }
+ sub format_previous_attempt_value {
+     my ($key,$value) = @_;
+     if ($key =~ /timestamp/) {
+ 	$value = &Apache::lonlocal::locallocaltime($value);
+     } elsif (ref($value) eq 'ARRAY') {
+ 	$value = '('.join(', ', @{ $value }).')';
+     } else {
+ 	$value = &unescape($value);
+     }
+     return $value;
+ }
  sub relative_to_absolute {
      my ($url,$output)=@_;
      my $parser=HTML::TokeParser->new(\$output);
- Line 2692  sub get_student_answers {
+ Line 3098  sub get_student_answers {
    $moreenv{'grade_target'}='answer';
    %moreenv=(%form,%moreenv);
    $feedurl = &Apache::lonnet::clutter($feedurl);
-   &Apache::lonenc::check_encrypt(\$feedurl);
    my $userview=&Apache::lonnet::ssi($feedurl,%moreenv);
    return $userview;
  }
- Line 2764  sub pprmlink {
+ Line 3169  sub pprmlink {
      if (!$symb) { $symb=&Apache::lonnet::symbread(); }
      $symb=&escape($symb);
      if ($target) { $target="target=\"$target\""; }
-     return '<a href="/adm/parmset?&command=set&'.
+     return '<a href="/adm/parmset?command=set&amp;'.
- 	'symb='.$symb.'&uname='.$uname.
+ 	'symb='.$symb.'&amp;uname='.$uname.
- 	'&udom='.$udom.'" '.$target.'>'.$text.'</a>';
+ 	'&amp;udom='.$udom.'" '.$target.'>'.$text.'</a>';
  }
  ##############################################
- Line 2896  sub blockcheck {
+ Line 3301  sub blockcheck {
          $uname = $env{'user.name'};
      }
-     my ($startblock,$endblock);
      # If uname and udom are for a course, check for blocks in the course.
      if (&Apache::lonnet::is_course($udom,$uname)) {
          my %records = &Apache::lonnet::dump('comm_block',$udom,$uname);
-         ($startblock,$endblock)=&get_blocks($setters,$activity,$udom,$uname);
+         my ($startblock,$endblock)=&get_blocks($setters,$activity,$udom,$uname);
          return ($startblock,$endblock);
      }
+     my $startblock = 0;
+     my $endblock = 0;
      my %live_courses = &findallcourses(undef,$uname,$udom);
      # If uname is for a user, and activity is course-specific, i.e.,
- Line 2943  sub blockcheck {
+ Line 3348  sub blockcheck {
          }
          my $no_ownblock = 0;
          my $no_userblock = 0;
-         if ($otheruser) {
+         if ($otheruser && $activity ne 'com') {
              # Check if current user has 'evb' priv for this
              if (defined($own_courses{$course})) {
                  foreach my $sec (keys(%{$own_courses{$course}})) {
- Line 2966  sub blockcheck {
+ Line 3371  sub blockcheck {
              if ($sec ne 'none') {
                  $checkrole .= '/'.$sec;
              }
-             # Resource belongs to user other than current user.
-             # Assemble privs for that user, and check for 'evb' priv.
              if ($otheruser) {
                  # Resource belongs to user other than current user.
                  # Assemble privs for that user, and check for 'evb' priv.
- Line 3017  sub blockcheck {
+ Line 3420  sub blockcheck {
          # Retrieve blocking times and identity of blocker for course
          # of specified user, unless user has 'evb' privilege.
-         ($startblock,$endblock)=&get_blocks($setters,$activity,$cdom,$cnum);
+         my ($start,$end)=&get_blocks($setters,$activity,$cdom,$cnum);
+         if (($start != 0) &&
+             (($startblock == 0) || ($startblock > $start))) {
+             $startblock = $start;
+         }
+         if (($end != 0)  &&
+             (($endblock == 0) || ($endblock < $end))) {
+             $endblock = $end;
+         }
      }
      return ($startblock,$endblock);
  }
- Line 3190  Returns: Determines which domain should
+ Line 3601  Returns: Determines which domain should
  ###############################################
  sub determinedomain {
      my $domain=shift;
-    if (! $domain) {
+     if (! $domain) {
          # Determine domain if we have not been given one
          $domain = $Apache::lonnet::perlvar{'lonDefDomain'};
          if ($env{'user.domain'}) { $domain=$env{'user.domain'}; }
- Line 3201  sub determinedomain {
+ Line 3612  sub determinedomain {
      return $domain;
  }
  ###############################################
+ sub devalidate_domconfig_cache {
+     my ($udom)=@_;
+     &Apache::lonnet::devalidate_cache_new('domainconfig',$udom);
+ }
+ # ---------------------- Get domain configuration for a domain
+ sub get_domainconf {
+     my ($udom) = @_;
+     my $cachetime=1800;
+     my ($result,$cached)=&Apache::lonnet::is_cached_new('domainconfig',$udom);
+     if (defined($cached)) { return %{$result}; }
+     my %domconfig = &Apache::lonnet::get_dom('configuration',
+ 					     ['login','rolecolors'],$udom);
+     my %designhash;
+     if (keys(%domconfig) > 0) {
+         if (ref($domconfig{'login'}) eq 'HASH') {
+             foreach my $key (keys(%{$domconfig{'login'}})) {
+                 $designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key};
+             }
+         }
+         if (ref($domconfig{'rolecolors'}) eq 'HASH') {
+             foreach my $role (keys(%{$domconfig{'rolecolors'}})) {
+                 if (ref($domconfig{'rolecolors'}{$role}) eq 'HASH') {
+                     foreach my $item (keys(%{$domconfig{'rolecolors'}{$role}})) {
+                         $designhash{$udom.'.'.$role.'.'.$item}=$domconfig{'rolecolors'}{$role}{$item};
+                     }
+                 }
+             }
+         }
+     } else {
+         my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
+         my $designfile =  $designdir.'/'.$udom.'.tab';
+         if (-e $designfile) {
+             if ( open (my $fh,"<$designfile") ) {
+                 while (my $line = <$fh>) {
+                     next if ($line =~ /^\#/);
+                     chomp($line);
+                     my ($key,$val)=(split(/\=/,$line));
+                     if ($val) { $designhash{$udom.'.'.$key}=$val; }
+                 }
+                 close($fh);
+             }
+         }
+         if (-e '/home/httpd/html/adm/lonDomLogos/'.$udom.'.gif') {
+             $designhash{$udom.'.login.domlogo'} = "/adm/lonDomLogos/$udom.gif";
+         }
+     }
+     &Apache::lonnet::do_cache_new('domainconfig',$udom,\%designhash,
+ 				  $cachetime);
+     return %designhash;
+ }
  =pod
  =item * &domainlogo()
- Line 3214  If the domain logo does not exist, a des
+ Line 3679  If the domain logo does not exist, a des
  ###############################################
  sub domainlogo {
      my $domain = &determinedomain(shift);
-      # See if there is a logo
+     my %designhash = &get_domainconf($domain);
-     if (-e '/home/httpd/html/adm/lonDomLogos/'.$domain.'.gif') {
+     # See if there is a logo
- 	my $logo=&lonhttpdurl("/adm/lonDomLogos/$domain.gif");
+     if ($designhash{$domain.'.login.domlogo'} ne '') {
-         return '<img src="'.$logo.'" alt="'.$domain.'" />';
+         my $imgsrc = $designhash{$domain.'.login.domlogo'};
-     } elsif(exists($Apache::lonnet::domaindescription{$domain})) {
+         if ($imgsrc =~ m{^/(adm|res)/}) {
-         return $Apache::lonnet::domaindescription{$domain};
+ 	    if ($imgsrc =~ m{^/res/}) {
+ 		my $local_name = &Apache::lonnet::filelocation('',$imgsrc);
+ 		&Apache::lonnet::repcopy($local_name);
+ 	    }
+ 	   $imgsrc = &lonhttpdurl($imgsrc);
+         }
+         return '<img src="'.$imgsrc.'" alt="'.$domain.'" />';
+     } elsif (defined(&Apache::lonnet::domain($domain,'description'))) {
+         return &Apache::lonnet::domain($domain,'description');
      } else {
          return '';
      }
- Line 3256  sub designparm {
+ Line 3729  sub designparm {
  	return $env{'environment.color.'.$which};
      }
      $domain=&determinedomain($domain);
-     if (exists($designhash{$domain.'.'.$which})) {
+     my %domdesign = &get_domainconf($domain);
- 	return $designhash{$domain.'.'.$which};
+     my $output;
+     if ($domdesign{$domain.'.'.$which} ne '') {
+ 	$output = $domdesign{$domain.'.'.$which};
      } else {
-         return $designhash{'default.'.$which};
+         $output = $defaultdesign{$which};
      }
+     if (($which =~ /^(student|coordinator|author|admin)\.img$/) ||
+         ($which =~ /login\.(img|logo|domlogo)/)) {
+         if ($output =~ m{^/(adm|res)/}) {
+ 	    if ($output =~ m{^/res/}) {
+ 		my $local_name = &Apache::lonnet::filelocation('',$output);
+ 		&Apache::lonnet::repcopy($local_name);
+ 	    }
+             $output = &lonhttpdurl($output);
+         }
+     }
+     return $output;
  }
  ###############################################
- Line 3270  sub designparm {
+ Line 3756  sub designparm {
  =back
- =head1 HTTP Helpers
+ =head1 HTML Helpers
  =over 4
- Line 3311  Inputs:
+ Line 3797  Inputs:
  =item * $args, optional argument valid values are
              no_auto_mt_title -> prevents &mt()ing the title arg
+             inherit_jsmath -> when creating popup window in a page,
+                               should it have jsmath forced on by the
+                               current page
  =back
- Line 3344  sub bodytag {
+ Line 3833  sub bodytag {
      my ($role,$realm) = split(/\./,$env{'request.role'},2);
      if ($role  eq 'ca') {
          my ($rdom,$rname) = ($realm =~ m{^/($match_domain)/($match_username)$});
-         $realm = &plainname($rname,$rdom).':'.$rdom;
+         $realm = &plainname($rname,$rdom);
      }
  # realm
      if ($env{'request.course.id'}) {
- Line 3359  sub bodytag {
+ Line 3848  sub bodytag {
      if (!$realm) { $realm='&nbsp;'; }
  # Set messages
      my $messages=&domainlogo($domain);
- # Port for miniserver
-     my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
-     if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
      my $extra_body_attr = &make_attr_string($forcereg,\%design);
  # construct main body tag
      my $bodytag = "<body $extra_body_attr>".
- 	&Apache::lontexconvert::init_math_support();
+ 	&Apache::lontexconvert::init_math_support($args->{'inherit_jsmath'});
-     if ($bodyonly
+     if ($bodyonly) {
- 	|| ($env{'request.state'} eq 'construct'
- 	    && $env{'environment.remote'} ne 'off' )) {
          return $bodytag;
      } elsif ($env{'browser.interface'} eq 'textual') {
  # Accessibility
- Line 3479  ENDROLE
+ Line 3963  ENDROLE
  # Top frame rendering, Remote is up
  #
-     my $upperleft='<img src="http://'.$ENV{'HTTP_HOST'}.':'.
+     my $imgsrc = $img;
-         $lonhttpdPort.$img.'" alt="'.$function.'" />';
+     if ($img =~ /^\/adm/) {
+         $imgsrc = &lonhttpdurl($img);
+     }
+     my $upperleft='<img src="'.$imgsrc.'" alt="'.$function.'" />';
      # Explicit link to get inline menu
      my $menu= ($no_inline_link?''
- Line 3563  sub make_attr_string {
+ Line 4050  sub make_attr_string {
  =pod
- =back
- =head1 HTML Helpers
- =over 4
  =item * &endbodytag()
  Returns a uniform footer for LON-CAPA web pages.
  Inputs: none
- =back
  =cut
  sub endbodytag {
- Line 3593  sub endbodytag {
+ Line 4072  sub endbodytag {
  =pod
- =over 4
  =item * &standard_css()
  Returns a style sheet
- Line 3605  Inputs: (all optional)
+ Line 4082  Inputs: (all optional)
              function       -> force usage of a specific rolish color scheme
              bgcolor        -> override the default page bgcolor
- =back
  =cut
  sub standard_css {
- Line 3645  sub standard_css {
+ Line 4120  sub standard_css {
      my $border = ($env{'browser.type'} eq 'explorer') ? '0px 2px 0px 2px'
  	                                              : '0px 3px 0px 4px';
      return <<END;
  h1, h2, h3, th { font-family: $sans }
  a:focus { color: red; background: yellow }
- table.thinborder { border-collapse: collapse; }
+ table.thinborder,
- table.thinborder tr th {  border-style: solid; border-width: 1px; background: $tabbg;}
- table.thinborder tr td { border-style: solid; border-width: 1px}
+ table.thinborder tr th {
+   border-style: solid;
+   border-width: 1px;
+   background: $tabbg;
+ }
+ table.thinborder tr td {
+   border-style: solid;
+   border-width: 1px
+ }
  form, .inline { display: inline; }
  .center { text-align: center; }
- .LC_filename {font-family: $mono;}
+ .LC_filename {font-family: $mono; white-space:pre;}
  .LC_error {
    color: red;
    font-size: larger;
- Line 3663  form, .inline { display: inline; }
+ Line 4147  form, .inline { display: inline; }
  .LC_diff_removed {
    color: red;
  }
+ .LC_info,
  .LC_success,
  .LC_diff_added {
    color: green;
  }
+ .LC_unknown {
+   color: yellow;
+ }
  .LC_icon {
    border: 0px;
  }
+ .LC_indexer_icon {
+   border: 0px;
+   height: 22px;
+ }
+ .LC_docs_spacer {
+   width: 25px;
+   height: 1px;
+   border: 0px;
+ }
+ .LC_internal_info {
+   color: #999;
+ }
  table.LC_pastsubmission {
    border: 1px solid black;
- Line 3732  table#LC_title_bar td.LC_title_bar_role_
+ Line 4235  table#LC_title_bar td.LC_title_bar_role_
  }
  table#LC_menubuttons_mainmenu {
-   background: $pgbg;
+   width: 100%;
    border: 0px;
    border-spacing: 1px;
    padding: 0px 1px;
- Line 3787  td.LC_table_cell_checkbox {
+ Line 4290  td.LC_table_cell_checkbox {
    text-align: center;
  }
+ table#LC_mainmenu td.LC_mainmenu_column {
+     vertical-align: top;
+ }
  .LC_menubuttons_inline_text {
    color: $font;
    font-family: $sans;
    font-size: smaller;
  }
+ .LC_menubuttons_link {
+   text-decoration: none;
+ }
+ .LC_menubuttons_category {
+   color: $font;
+   background: $pgbg;
+   font-family: $sans;
+   font-size: larger;
+   font-weight: bold;
+ }
  td.LC_menubuttons_text {
+   width: 90%;
    color: $font;
    font-family: $sans;
  }
  td.LC_menubuttons_img {
-   background: $tabbg;
  }
  .LC_current_location {
    font-family: $sans;
    background: $tabbg;
- Line 3809  td.LC_menubuttons_img {
+ Line 4330  td.LC_menubuttons_img {
    font-weight: bold;
  }
+ .LC_rolesmenu_is {
+   font-family: $sans;
+ }
+ .LC_rolesmenu_selected {
+   font-family: $sans;
+ }
+ .LC_rolesmenu_future {
+   font-family: $sans;
+ }
+ .LC_rolesmenu_will {
+   font-family: $sans;
+ }
+ .LC_rolesmenu_will_not {
+   font-family: $sans;
+ }
+ .LC_rolesmenu_expired {
+   font-family: $sans;
+ }
+ .LC_rolesinfo {
+   font-family: $sans;
+ }
+ .LC_dropadd_labeltext {
+   font-family: $sans;
+   text-align: right;
+ }
+ .LC_preferences_labeltext {
+   font-family: $sans;
+   text-align: right;
+ }
  table.LC_aboutme_port {
    border: 0px;
    border-collapse: collapse;
- Line 3822  table.LC_data_table, table.LC_mail_list
+ Line 4382  table.LC_data_table, table.LC_mail_list
  .LC_data_table_dense {
    font-size: small;
  }
- table.LC_data_table tr th, table.LC_calendar tr th, table.LC_mail_list tr th {
+ table.LC_nested_outer {
+   border: 1px solid #000000;
+   border-collapse: collapse;
+   border-spacing: 0px;
+   width: 100%;
+ }
+ table.LC_nested {
+   border: 0px;
+   border-collapse: collapse;
+   border-spacing: 0px;
+   width: 100%;
+ }
+ table.LC_data_table tr th, table.LC_calendar tr th, table.LC_mail_list tr th,
+ table.LC_prior_tries tr th {
    font-weight: bold;
    background-color: $data_table_head;
    font-size: smaller;
- Line 3840  table.LC_data_table tr.LC_data_table_hig
+ Line 4413  table.LC_data_table tr.LC_data_table_hig
    background-color: $data_table_darker;
  }
  table.LC_data_table tr.LC_empty_row td,
- table.LC_whatsnew tr.LC_empty_row td {
+ table.LC_nested tr.LC_empty_row td {
    background-color: #FFFFFF;
    font-weight: bold;
    font-style: italic;
    text-align: center;
    padding: 8px;
  }
- table.LC_whatsnew tr.LC_empty_row td {
+ table.LC_nested tr.LC_empty_row td {
    padding: 4ex
  }
- table.LC_whatsnew {
+ table.LC_nested_outer tr th {
+   font-weight: bold;
+   background-color: $data_table_head;
+   font-size: smaller;
+   border-bottom: 1px solid #000000;
+ }
+ table.LC_nested_outer tr td.LC_subheader {
+   background-color: $data_table_head;
+   font-weight: bold;
+   font-size: small;
+   border-bottom: 1px solid #000000;
+   text-align: right;
  }
+ table.LC_nested tr.LC_info_row td {
- table.LC_whatsnew tr th,
- table.LC_whatsnew tr.LC_info_row td {
    background-color: #CCC;
    font-weight: bold;
    font-size: small;
-   text-align: right;
+   text-align: center;
  }
- table.LC_whatsnew tr td {
+ table.LC_nested tr.LC_info_row td.LC_left_item,
+ table.LC_nested_outer tr th.LC_left_item {
+   text-align: left;
+ }
+ table.LC_nested td {
    background-color: #FFF;
    font-size: small;
-   text-align: right;
  }
- table.LC_whatsnew tr td.LC_first_item {
+ table.LC_nested_outer tr th.LC_right_item,
-   text-align: left;
+ table.LC_nested tr.LC_info_row td.LC_right_item,
+ table.LC_nested tr.LC_odd_row td.LC_right_item,
+ table.LC_nested tr td.LC_right_item {
+   text-align: right;
  }
- table.LC_whatsnew tr.LC_odd_row td {
+ table.LC_nested tr.LC_odd_row td {
    background-color: #EEE;
  }
- Line 4086  table#LC_helpmenu_links a:hover {
+ Line 4674  table#LC_helpmenu_links a:hover {
    border: 1px solid #8888FF;
    background: #CCCCFF;
  }
  table.LC_pick_box {
-   width: 100%;
    border-collapse: separate;
    background: white;
    border: 1px solid black;
- Line 4101  table.LC_pick_box td.LC_pick_box_title {
+ Line 4687  table.LC_pick_box td.LC_pick_box_title {
    width: 184px;
    padding: 8px;
  }
+ table.LC_pick_box td.LC_pick_box_value {
+   text-align: left;
+   padding: 8px;
+ }
+ table.LC_pick_box td.LC_pick_box_select {
+   text-align: left;
+   padding: 8px;
+ }
  table.LC_pick_box td.LC_pick_box_separator {
    padding: 0px;
    height: 1px;
- Line 4109  table.LC_pick_box td.LC_pick_box_separat
+ Line 4703  table.LC_pick_box td.LC_pick_box_separat
  table.LC_pick_box td.LC_pick_box_submit {
    text-align: right;
  }
+ table.LC_pick_box td.LC_evenrow_value {
+   text-align: left;
+   padding: 8px;
+   background-color: $data_table_light;
+ }
+ table.LC_pick_box td.LC_oddrow_value {
+   text-align: left;
+   padding: 8px;
+   background-color: $data_table_light;
+ }
+ table.LC_helpform_receipt {
+   width: 620px;
+   border-collapse: separate;
+   background: white;
+   border: 1px solid black;
+   border-spacing: 1px;
+ }
+ table.LC_helpform_receipt td.LC_pick_box_title {
+   background: $tabbg;
+   font-weight: bold;
+   text-align: right;
+   width: 184px;
+   padding: 8px;
+ }
+ table.LC_helpform_receipt td.LC_evenrow_value {
+   text-align: left;
+   padding: 8px;
+   background-color: $data_table_light;
+ }
+ table.LC_helpform_receipt td.LC_oddrow_value {
+   text-align: left;
+   padding: 8px;
+   background-color: $data_table_light;
+ }
+ table.LC_helpform_receipt td.LC_pick_box_separator {
+   padding: 0px;
+   height: 1px;
+   background: black;
+ }
+ span.LC_helpform_receipt_cat {
+   font-weight: bold;
+ }
  table.LC_group_priv_box {
    background: white;
    border: 1px solid black;
- Line 4185  span.LC_feedback_link {
+ Line 4820  span.LC_feedback_link {
      font-size: larger;
  }
+ table.LC_prior_tries {
+   border: 1px solid #000000;
+   border-collapse: separate;
+   border-spacing: 1px;
+ }
+ table.LC_prior_tries td {
+   padding: 2px;
+ }
+ .LC_answer_correct {
+   background: #AAFFAA;
+   color: black;
+ }
+ .LC_answer_charged_try {
+   background: #FFAAAA ! important;
+   color: black;
+ }
+ .LC_answer_not_charged_try,
+ .LC_answer_no_grade,
+ .LC_answer_late {
+   background: #FFFFAA;
+   color: black;
+ }
+ .LC_answer_previous {
+   background: #AAAAFF;
+   color: black;
+ }
+ .LC_answer_no_message {
+   background: #FFFFFF;
+   color: black;
+ }
+ .LC_answer_unknown {
+   background: orange;
+   color: black;
+ }
+ span.LC_prior_numerical,
+ span.LC_prior_string,
+ span.LC_prior_custom,
+ span.LC_prior_reaction,
+ span.LC_prior_math {
+   font-family: monospace;
+   white-space: pre;
+ }
+ span.LC_prior_string {
+   font-family: monospace;
+   white-space: pre;
+ }
+ table.LC_prior_option {
+   width: 100%;
+   border-collapse: collapse;
+ }
+ table.LC_prior_rank, table.LC_prior_match {
+   border-collapse: collapse;
+ }
+ table.LC_prior_option tr td,
+ table.LC_prior_rank tr td,
+ table.LC_prior_match tr td {
+   border: 1px solid #000000;
+ }
+ span.LC_nobreak {
+   white-space: nowrap;
+ }
+ span.LC_cusr_emph {
+   font-style: italic;
+ }
+ table.LC_docs_documents {
+   background: #BBBBBB;
+   border-width: 0px;
+   border-collapse: collapse;
+ }
+ table.LC_docs_documents td.LC_docs_document {
+   border: 2px solid black;
+   padding: 4px;
+ }
+ .LC_docs_course_commands div {
+   float: left;
+   border: 4px solid #AAAAAA;
+   padding: 4px;
+   background: #DDDDCC;
+ }
+ .LC_docs_entry_move {
+   border: 0px;
+   border-collapse: collapse;
+ }
+ .LC_docs_entry_move td {
+   border: 2px solid #BBBBBB;
+   background: #DDDDDD;
+ }
+ .LC_docs_editor td.LC_docs_entry_commands {
+   background: #DDDDDD;
+   font-size: x-small;
+ }
+ .LC_docs_copy {
+   color: #000099;
+ }
+ .LC_docs_cut {
+   color: #550044;
+ }
+ .LC_docs_rename {
+   color: #009900;
+ }
+ .LC_docs_remove {
+   color: #990000;
+ }
+ .LC_docs_reinit_warn,
+ .LC_docs_ext_edit {
+   font-size: x-small;
+ }
+ .LC_docs_editor td.LC_docs_entry_title,
+ .LC_docs_editor td.LC_docs_entry_icon {
+   background: #FFFFBB;
+ }
+ .LC_docs_editor td.LC_docs_entry_parameter {
+   background: #BBBBFF;
+   font-size: x-small;
+   white-space: nowrap;
+ }
+ table.LC_docs_adddocs td,
+ table.LC_docs_adddocs th {
+   border: 1px solid #BBBBBB;
+   padding: 4px;
+   background: #DDDDDD;
+ }
+ table.LC_sty_begin {
+   background: #BBFFBB;
+ }
+ table.LC_sty_end {
+   background: #FFBBBB;
+ }
+ table.LC_double_column {
+   border-width: 0px;
+   border-collapse: collapse;
+   width: 100%;
+   padding: 2px;
+ }
+ table.LC_double_column tr td.LC_left_col {
+   top: 2px;
+   left: 2px;
+   width: 47%;
+   vertical-align: top;
+ }
+ table.LC_double_column tr td.LC_right_col {
+   top: 2px;
+   right: 2px;
+   width: 47%;
+   vertical-align: top;
+ }
+ span.LC_role_level {
+   font-weight: bold;
+ }
+ div.LC_left_float {
+   float: left;
+   padding-right: 5%;
+   padding:bottom: 4px;
+ }
+ div.LC_clear_float_header {
+   padding:bottom: 2px;
+ }
+ div.LC_clear_float_footer {
+   padding:top: 10px;
+   clear: both;
+ }
  END
  }
  =pod
- =over 4
  =item * &headtag()
  Returns a uniform footer for LON-CAPA web pages.
- Line 4215  Inputs: $title - optional title for the
+ Line 5035  Inputs: $title - optional title for the
              no_auto_mt_title
                             -> prevent &mt()ing the title arg
- =back
  =cut
  sub headtag {
- Line 4272  ADDMETA
+ Line 5090  ADDMETA
  =pod
- =over 4
  =item * &font_settings()
  Returns neccessary <meta> to set the proper encoding
  Inputs: none
- =back
  =cut
  sub font_settings {
- Line 4298  sub font_settings {
+ Line 5112  sub font_settings {
  =pod
- =over 4
  =item * &xml_begin()
  Returns the needed doctype and <html>
  Inputs: none
- =back
  =cut
  sub xml_begin {
      my $output='';
-     &Apache::lonhtmlcommon::init_htmlareafields();
+     if ($env{'internal.start_page'}==1) {
+ 	&Apache::lonhtmlcommon::init_htmlareafields();
+     }
      if ($env{'browser.mathml'}) {
  	$output='<?xml version="1.0"?>'
- Line 4332  sub xml_begin {
+ Line 5144  sub xml_begin {
  =pod
- =over 4
  =item * &endheadtag()
  Returns a uniform </head> for LON-CAPA web pages.
  Inputs: none
- =back
  =cut
  sub endheadtag {
- Line 4350  sub endheadtag {
+ Line 5158  sub endheadtag {
  =pod
- =over 4
  =item * &head()
  Returns a uniform complete <head>..</head> section for LON-CAPA web pages.
- Line 4359  Returns a uniform complete <head>..</hea
+ Line 5165  Returns a uniform complete <head>..</hea
  Inputs: $title - optional title for the page
          $head_extra - optional extra HTML to put inside the <head>
- =back
  =cut
  sub head {
- Line 4370  sub head {
+ Line 5174  sub head {
  =pod
- =over 4
  =item * &start_page()
  Returns a complete <html> .. <body> section for LON-CAPA web pages.
- Line 4410  Inputs: $title - optional title for the
+ Line 5212  Inputs: $title - optional title for the
                    no_auto_mt_title -> prevent &mt()ing the title arg
- =back
+                   inherit_jsmath -> when creating popup window in a page,
+                                     should it have jsmath forced on by the
+                                     current page
  =cut
- Line 4463  sub start_page {
+ Line 5267  sub start_page {
  =pod
- =over 4
  =item * &head()
  Returns a complete </body></html> section for LON-CAPA web pages.
- Line 4622  sub simple_error_page {
+ Line 5424  sub simple_error_page {
      }
  }
+ =pod
+ =item * &inhibit_menu_check($arg)
+ Checks for a inhibitmenu state and generates output to preserve it
+ Inputs:         $arg - can be any of
+                      - undef - in which case the return value is a string
+                                to add  into arguments list of a uri
+                      - 'input' - in which case the return value is a HTML
+                                  <form> <input> field of type hidden to
+                                  preserve the value
+                      - a url - in which case the return value is the url with
+                                the neccesary cgi args added to preserve the
+                                inhibitmenu state
+                      - a ref to a url - no return value, but the string is
+                                         updated to include the neccessary cgi
+                                         args to preserve the inhibitmenu state
+ =cut
+ sub inhibit_menu_check {
+     my ($arg) = @_;
+     &get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']);
+     if ($arg eq 'input') {
+ 	if ($env{'form.inhibitmenu'}) {
+ 	    return '<input type="hidden" name="inhibitmenu" value="'.$env{'form.inhibitmenu'}.'" />';
+ 	} else {
+ 	    return
+ 	}
+     }
+     if ($env{'form.inhibitmenu'}) {
+ 	if (ref($arg)) {
+ 	    $$arg .= '?inhibitmenu='.$env{'form.inhibitmenu'};
+ 	} elsif ($arg eq '') {
+ 	    $arg .= 'inhibitmenu='.$env{'form.inhibitmenu'};
+ 	} else {
+ 	    $arg .= '?inhibitmenu='.$env{'form.inhibitmenu'};
+ 	}
+     }
+     if (!ref($arg)) {
+ 	return $arg;
+     }
+ }
  ###############################################
  =pod
+ =back
+ =head1 User Information Routines
+ =over 4
  =item * &get_users_function()
  Used by &bodytag to determine the current users primary role.
- Line 4653  sub get_users_function {
+ Line 5506  sub get_users_function {
  =pod
- =item * &check_user_status
+ =item * &check_user_status()
  Determines current status of supplied role for a
  specific user. Roles can be active, previous or future.
- Line 4939  sub get_course_users {
+ Line 5792  sub get_course_users {
                      $usec = 'none';
                  }
                  if ($uname ne '' && $udom ne '') {
-                     if ($end < $now) {
+                     if ($end > 0 && $end < $now) {
                          $status = 'previous';
                      } elsif ($start > $now) {
                          $status = 'future';
- Line 5014  Incoming parameters:
+ Line 5867  Incoming parameters:
 . user's domain
  Returns:
 . Disk quota (in Mb) assigned to student.
+. (Optional) Type of setting: custom or default
+    (individually assigned or default for user's
+    institutional status).
+. (Optional) - User's institutional status (e.g., faculty, staff
+    or student - types as defined in localenroll::inst_usertypes
+    for user's domain, which determines default quota for user.
+. (Optional) - Default quota which would apply to the user.
  If a value has been stored in the user's environment,
- it will return that, otherwise it returns the default
+ it will return that, otherwise it returns the maximal default
- for users in the domain.
+ defined for the user's instituional status(es) in the domain.
  =cut
- Line 5027  for users in the domain.
+ Line 5887  for users in the domain.
  sub get_user_quota {
      my ($uname,$udom) = @_;
-     my $quota;
+     my ($quota,$quotatype,$settingstatus,$defquota);
      if (!defined($udom)) {
          $udom = $env{'user.domain'};
      }
- Line 5037  sub get_user_quota {
+ Line 5897  sub get_user_quota {
      if (($udom eq '' || $uname eq '') ||
          ($udom eq 'public') && ($uname eq 'public')) {
          $quota = 0;
+         $quotatype = 'default';
+         $defquota = 0;
      } else {
+         my $inststatus;
          if ($udom eq $env{'user.domain'} && $uname eq $env{'user.name'}) {
              $quota = $env{'environment.portfolioquota'};
+             $inststatus = $env{'environment.inststatus'};
          } else {
-             my %userenv = &Apache::lonnet::dump('environment',$udom,$uname);
+             my %userenv =
+                 &Apache::lonnet::get('environment',['portfolioquota',
+                                      'inststatus'],$udom,$uname);
              my ($tmp) = keys(%userenv);
              if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
                  $quota = $userenv{'portfolioquota'};
+                 $inststatus = $userenv{'inststatus'};
              } else {
                  undef(%userenv);
              }
          }
+         ($defquota,$settingstatus) = &default_quota($udom,$inststatus);
          if ($quota eq '') {
-             $quota = &default_quota($udom);
+             $quota = $defquota;
+             $quotatype = 'default';
+         } else {
+             $quotatype = 'custom';
          }
      }
-     return $quota;
+     if (wantarray) {
+         return ($quota,$quotatype,$settingstatus,$defquota);
+     } else {
+         return $quota;
+     }
  }
  ###############################################
- Line 5062  sub get_user_quota {
+ Line 5937  sub get_user_quota {
  =item * &default_quota()
- Retrieves default quota assigned for storage of user portfolio files
+ Retrieves default quota assigned for storage of user portfolio files,
+ given an (optional) user's institutional status.
  Incoming parameters:
 . domain
+. (Optional) institutional status(es).  This is a : separated list of
+    status types (e.g., faculty, staff, student etc.)
+    which apply to the user for whom the default is being retrieved.
+    If the institutional status string in undefined, the domain
+    default quota will be returned.
  Returns:
 . Default disk quota (in Mb) for user portfolios in the domain.
+. (Optional) institutional type which determined the value of the
+    default quota.
  If a value has been stored in the domain's configuration db,
  it will return that, otherwise it returns 20 (for backwards
  compatibility with domains which have not set up a configuration
  db file; the original statically defined portfolio quota was 20 Mb).
+ If the user's status includes multiple types (e.g., staff and student),
+ the largest default quota which applies to the user determines the
+ default quota returned.
  =cut
  ###############################################
  sub default_quota {
-     my ($udom) = @_;
+     my ($udom,$inststatus) = @_;
-     my %defaults = &Apache::lonnet::get_dom('configuration',
+     my ($defquota,$settingstatus);
-                                             ['portfolioquota'],$udom);
+     my %quotahash = &Apache::lonnet::get_dom('configuration',
-     if ($defaults{'portfolioquota'} ne '') {
+                                             ['quota'],$udom);
-         return $defaults{'portfolioquota'};
+     if (ref($quotahash{'quota'}) eq 'HASH') {
+         if ($inststatus ne '') {
+             my @statuses = split(/:/,$inststatus);
+             foreach my $item (@statuses) {
+                 if ($quotahash{'quota'}{$item} ne '') {
+                     if ($defquota eq '') {
+                         $defquota = $quotahash{'quota'}{$item};
+                         $settingstatus = $item;
+                     } elsif ($quotahash{'quota'}{$item} > $defquota) {
+                         $defquota = $quotahash{'quota'}{$item};
+                         $settingstatus = $item;
+                     }
+                 }
+             }
+         }
+         if ($defquota eq '') {
+             $defquota = $quotahash{'quota'}{'default'};
+             $settingstatus = 'default';
+         }
      } else {
-         return '20';
+         $settingstatus = 'default';
+         $defquota = 20;
+     }
+     if (wantarray) {
+         return ($defquota,$settingstatus);
+     } else {
+         return $defquota;
      }
  }
- Line 5128  sub get_secgrprole_info {
+ Line 6039  sub get_secgrprole_info {
      return (\@sections,\@groups,$allroles,$rolehash,$accesshash);
  }
+ sub user_picker {
+     my ($dom,$srch,$forcenewuser,$caller) = @_;
+     my $currdom = $dom;
+     my %curr_selected = (
+                         srchin => 'dom',
+                         srchby => 'lastname',
+                       );
+     my $srchterm;
+     if (ref($srch) eq 'HASH') {
+         if ($srch->{'srchby'} ne '') {
+             $curr_selected{'srchby'} = $srch->{'srchby'};
+         }
+         if ($srch->{'srchin'} ne '') {
+             $curr_selected{'srchin'} = $srch->{'srchin'};
+         }
+         if ($srch->{'srchtype'} ne '') {
+             $curr_selected{'srchtype'} = $srch->{'srchtype'};
+         }
+         if ($srch->{'srchdomain'} ne '') {
+             $currdom = $srch->{'srchdomain'};
+         }
+         $srchterm = $srch->{'srchterm'};
+     }
+     my %lt=&Apache::lonlocal::texthash(
+                     'usr'       => 'Search criteria',
+                     'doma'      => 'Domain/institution to search',
+                     'uname'     => 'username',
+                     'lastname'  => 'last name',
+                     'lastfirst' => 'last name, first name',
+                     'crs'       => 'in this course',
+                     'dom'       => 'in selected LON-CAPA domain',
+                     'alc'       => 'all LON-CAPA',
+                     'instd'     => 'in institutional directory for selected domain',
+                     'exact'     => 'is',
+                     'contains'  => 'contains',
+                     'begins'    => 'begins with',
+                     'youm'      => "You must include some text to search for.",
+                     'thte'      => "The text you are searching for must contain at least two characters when using a 'begins' type search.",
+                     'thet'      => "The text you are searching for must contain at least three characters when using a 'contains' type search.",
+                     'yomc'      => "You must choose a domain when using an institutional directory search.",
+                     'ymcd'      => "You must choose a domain when using a domain search.",
+                     'whus'      => "When using searching by last,first you must include a comma as separator between last name and first name.",
+                     'whse'      => "When searching by last,first you must include at least one character in the first name.",
+                      'thfo'     => "The following need to be corrected before the search can be run:",
+                                        );
+     my $domform = &select_dom_form($currdom,'srchdomain',1,1);
+     my $srchinsel = ' <select name="srchin">';
+     my @srchins = ('crs','dom','alc','instd');
+     foreach my $option (@srchins) {
+         # FIXME 'alc' option unavailable until
+         #       loncreateuser::print_user_query_page()
+         #       has been completed.
+         next if ($option eq 'alc');
+         next if ($option eq 'crs' && !$env{'request.course.id'});
+         if ($curr_selected{'srchin'} eq $option) {
+             $srchinsel .= '
+    <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
+         } else {
+             $srchinsel .= '
+    <option value="'.$option.'">'.$lt{$option}.'</option>';
+         }
+     }
+     $srchinsel .= "\n  </select>\n";
+     my $srchbysel =  ' <select name="srchby">';
+     foreach my $option ('lastname','lastfirst','uname') {
+         if ($curr_selected{'srchby'} eq $option) {
+             $srchbysel .= '
+    <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
+         } else {
+             $srchbysel .= '
+    <option value="'.$option.'">'.$lt{$option}.'</option>';
+          }
+     }
+     $srchbysel .= "\n  </select>\n";
+     my $srchtypesel = ' <select name="srchtype">';
+     foreach my $option ('begins','contains','exact') {
+         if ($curr_selected{'srchtype'} eq $option) {
+             $srchtypesel .= '
+    <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
+         } else {
+             $srchtypesel .= '
+    <option value="'.$option.'">'.$lt{$option}.'</option>';
+         }
+     }
+     $srchtypesel .= "\n  </select>\n";
+     my ($newuserscript,$new_user_create);
+     if ($forcenewuser) {
+         if (ref($srch) eq 'HASH') {
+             if ($srch->{'srchby'} eq 'uname' && $srch->{'srchtype'} eq 'exact' && $srch->{'srchin'} eq 'dom' && $srch->{'srchdomain'} eq $env{'request.role.domain'}) {
+ 	        $new_user_create = '<p> <input type="submit" name="forcenew" value="'.&HTML::Entities::encode(&mt('Make new user "[_1]"',$srchterm),'<>&"').'" onclick="javascript:setSearch(\'1\','.$caller.');" /> </p>';
+             }
+         }
+         $newuserscript = <<"ENDSCRIPT";
+ function setSearch(createnew,callingForm) {
+     if (createnew == 1) {
+         for (var i=0; i<callingForm.srchby.length; i++) {
+             if (callingForm.srchby.options[i].value == 'uname') {
+                 callingForm.srchby.selectedIndex = i;
+             }
+         }
+         for (var i=0; i<callingForm.srchin.length; i++) {
+             if ( callingForm.srchin.options[i].value == 'dom') {
+ 		callingForm.srchin.selectedIndex = i;
+             }
+         }
+         for (var i=0; i<callingForm.srchtype.length; i++) {
+             if (callingForm.srchtype.options[i].value == 'exact') {
+                 callingForm.srchtype.selectedIndex = i;
+             }
+         }
+         for (var i=0; i<callingForm.srchdomain.length; i++) {
+             if (callingForm.srchdomain.options[i].value == '$env{'request.role.domain'}') {
+                 callingForm.srchdomain.selectedIndex = i;
+             }
+         }
+     }
+ }
+ ENDSCRIPT
+     }
+     my $output = <<"END_BLOCK";
+ <script type="text/javascript">
+ function validateEntry(callingForm) {
+     var checkok = 1;
+     var srchin;
+     for (var i=0; i<callingForm.srchin.length; i++) {
+ 	if ( callingForm.srchin[i].checked ) {
+ 	    srchin = callingForm.srchin[i].value;
+ 	}
+     }
+     var srchtype = callingForm.srchtype.options[callingForm.srchtype.selectedIndex].value;
+     var srchby = callingForm.srchby.options[callingForm.srchby.selectedIndex].value;
+     var srchdomain = callingForm.srchdomain.options[callingForm.srchdomain.selectedIndex].value;
+     var srchterm =  callingForm.srchterm.value;
+     var srchin = callingForm.srchin.options[callingForm.srchin.selectedIndex].value;
+     var msg = "";
+     if (srchterm == "") {
+         checkok = 0;
+         msg += "$lt{'youm'}\\n";
+     }
+     if (srchtype== 'begins') {
+         if (srchterm.length < 2) {
+             checkok = 0;
+             msg += "$lt{'thte'}\\n";
+         }
+     }
+     if (srchtype== 'contains') {
+         if (srchterm.length < 3) {
+             checkok = 0;
+             msg += "$lt{'thet'}\\n";
+         }
+     }
+     if (srchin == 'instd') {
+         if (srchdomain == '') {
+             checkok = 0;
+             msg += "$lt{'yomc'}\\n";
+         }
+     }
+     if (srchin == 'dom') {
+         if (srchdomain == '') {
+             checkok = 0;
+             msg += "$lt{'ymcd'}\\n";
+         }
+     }
+     if (srchby == 'lastfirst') {
+         if (srchterm.indexOf(",") == -1) {
+             checkok = 0;
+             msg += "$lt{'whus'}\\n";
+         }
+         if (srchterm.indexOf(",") == srchterm.length -1) {
+             checkok = 0;
+             msg += "$lt{'whse'}\\n";
+         }
+     }
+     if (checkok == 0) {
+         alert("$lt{'thfo'}\\n"+msg);
+         return;
+     }
+     if (checkok == 1) {
+         callingForm.submit();
+     }
+ }
+ $newuserscript
+ </script>
+ $new_user_create
+ <table>
+  <tr>
+   <td>$lt{'doma'}:</td>
+   <td>$domform</td>
+   </td>
+  </tr>
+  <tr>
+   <td>$lt{'usr'}:</td>
+   <td>$srchbysel
+       $srchtypesel
+       <input type="text" size="15" name="srchterm" value="$srchterm" />
+       $srchinsel
+   </td>
+  </tr>
+ </table>
+ <br />
+ END_BLOCK
+     return $output;
+ }
+ sub username_rule_check {
+     my ($srch,$caller) = @_;
+     my ($response,@curr_rules,%inst_results,$rulematch);
+     my ($rules,$ruleorder) = &Apache::lonnet::inst_userrules($srch->{'srchdomain'});
+     if (ref($srch) eq 'HASH') {
+         (my $inst_response,%inst_results) =
+             &Apache::lonnet::get_instuser($srch->{'srchdomain'},
+                                           $srch->{'srchterm'});
+         my %domconfig = &Apache::lonnet::get_dom('configuration',
+                               ['usercreation'],$srch->{'srchdomain'});
+         if (ref($domconfig{'usercreation'}) eq 'HASH') {
+             if (ref($domconfig{'usercreation'}{'username_rule'}) eq 'ARRAY') {
+                 @curr_rules = @{$domconfig{'usercreation'}{'username_rule'}};
+             }
+         }
+         if (@curr_rules > 0) {
+             my $domdesc = &Apache::lonnet::domain($srch->{'srchdomain'},'description');
+             my $instuser_reqd;
+             my %rule_check = &Apache::lonnet::inst_rulecheck($srch->{'srchdomain'},$srch->{'srchterm'},\@curr_rules);
+             foreach my $rule (@curr_rules) {
+                 if ($rule_check{$rule}) {
+                     $rulematch = $rule;
+                     if ($inst_response eq 'ok') {
+                         if (keys(%inst_results) == 0) {
+                             if ($caller eq 'new') {
+                                 $response = &mt('The username you chose matches the format of usernames defined for <span class="LC_cusr_emph">[_1]</span>, but the user does not exist in the institutional directory.',$domdesc).'<br />'.&mt("You must choose a username with a different format -- one that will not conflict with 'official' institutional usernames.");
+                             }
+                         }
+                     }
+                     last;
+                 }
+             }
+             if ($response) {
+                 if ((ref($rules) eq 'HASH') && (ref($ruleorder) eq 'ARRAY')) {
+                     if (@{$ruleorder} > 0) {
+                         $response .= '<br />'.&mt('Usernames with the following format(s) may <span class="LC_cusr_emph">only</span> be used for verified users at [_1]:',$domdesc).' <ul>';
+                         foreach my $rule (@{$ruleorder}) {
+                             if (grep(/^\Q$rule\E$/,@curr_rules)) {
+                                 if (ref($rules->{$rule}) eq 'HASH') {
+                                     $response .= '<li>'.$rules->{$rule}{'name'}.': '.
+                                                  $rules->{$rule}{'desc'}.'</li>';
+                                 }
+                             }
+                         }
+                     }
+                     $response .= '</ul>';
+                 }
+             }
+         }
+     }
+     return ($response,$rulematch,$rules,%inst_results);
+ }
  =pod
+ =back
+ =head1 HTTP Helpers
+ =over 4
  =item * get_unprocessed_cgi($query,$possible_names)
  Modify the %env hash to contain unprocessed CGI form parameters held in
- Line 5379  sub record_sep {
+ Line 6573  sub record_sep {
              $i++;
          }
      } else {
-         my @allfields;
+         my $separator=',';
          if ($env{'form.upfiletype'} eq 'semisv') {
-             @allfields=split(/;/,$record);
+             $separator=';';
-         } else {
-             @allfields=split(/\,/,$record);
          }
          my $i=0;
-         my $j;
+ # the character we are looking for to indicate the end of a quote or a record
-         for ($j=0;$j<=$#allfields;$j++) {
+         my $looking_for=$separator;
-             my $field=$allfields[$j];
+ # do not add the characters to the fields
-             if ($field=~/^\s*(\"|\')/) {
+         my $ignore=0;
- 		my $delimiter=$1;
+ # we just encountered a separator (or the beginning of the record)
-                 while (($field!~/$delimiter$/) && ($j<$#allfields)) {
+         my $just_found_separator=1;
- 		    $j++;
+ # store the field we are working on here
- 		    $field.=','.$allfields[$j];
+         my $field='';
- 		}
+ # work our way through all characters in record
-                 $field=~s/^\s*$delimiter//;
+         foreach my $character ($record=~/(.)/g) {
-                 $field=~s/$delimiter\s*$//;
+             if ($character eq $looking_for) {
-             }
+                if ($character ne $separator) {
-             $components{&takeleft($i)}=$field;
+ # Found the end of a quote, again looking for separator
- 	    $i++;
+                   $looking_for=$separator;
+                   $ignore=1;
+                } else {
+ # Found a separator, store away what we got
+                   $components{&takeleft($i)}=$field;
+ 	          $i++;
+                   $just_found_separator=1;
+                   $ignore=0;
+                   $field='';
+                }
+                next;
+             }
+ # single or double quotation marks after a separator indicate beginning of a quote
+ # we are now looking for the end of the quote and need to ignore separators
+             if ((($character eq '"') || ($character eq "'")) && ($just_found_separator))  {
+                $looking_for=$character;
+                next;
+             }
+ # ignore would be true after we reached the end of a quote
+             if ($ignore) { next; }
+             if (($just_found_separator) && ($character=~/\s/)) { next; }
+             $field.=$character;
+             $just_found_separator=0;
          }
+ # catch the very last entry, since we never encountered the separator
+         $components{&takeleft($i)}=$field;
      }
      return %components;
  }
- Line 5471  sub csv_print_samples {
+ Line 6687  sub csv_print_samples {
      my ($r,$records) = @_;
      my $samples = &get_samples($records,3);
-     $r->print(&mt('Samples').'<br /><table border="2"><tr>');
+     $r->print(&mt('Samples').'<br />'.&start_data_table().
+               &start_data_table_header_row());
      foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
          $r->print('<th>'.&mt('Column&nbsp;[_1]',($sample+1)).'</th>'); }
-     $r->print('</tr>');
+     $r->print(&end_data_table_header_row());
      foreach my $hash (@$samples) {
- 	$r->print('<tr>');
+ 	$r->print(&start_data_table_row());
  	foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
  	    $r->print('<td>');
  	    if (defined($$hash{$sample})) { $r->print($$hash{$sample}); }
  	    $r->print('</td>');
  	}
- 	$r->print('</tr>');
+ 	$r->print(&end_data_table_row());
      }
-     $r->print('</tr></table><br />'."\n");
+     $r->print(&end_data_table().'<br />'."\n");
  }
  ######################################################
- Line 5509  sub csv_print_select_table {
+ Line 6726  sub csv_print_select_table {
      my $i=0;
      my $samples = &get_samples($records,1);
      $r->print(&mt('Associate columns with student attributes.')."\n".
- 	     '<table border="2"><tr>'.
+ 	      &start_data_table().&start_data_table_header_row().
                '<th>'.&mt('Attribute').'</th>'.
-               '<th>'.&mt('Column').'</th></tr>'."\n");
+               '<th>'.&mt('Column').'</th>'.
+               &end_data_table_header_row()."\n");
      foreach my $array_ref (@$d) {
  	my ($value,$display,$defaultcol)=@{ $array_ref };
- 	$r->print('<tr><td>'.$display.'</td>');
+ 	$r->print(&start_data_table_row().'<tr><td>'.$display.'</td>');
  	$r->print('<td><select name=f'.$i.
  		  ' onchange="javascript:flip(this.form,'.$i.');">');
- Line 5524  sub csv_print_select_table {
+ Line 6742  sub csv_print_select_table {
                        ($sample eq $defaultcol ? ' selected="selected" ' : '').
                        '>Column '.($sample+1).'</option>');
  	}
- 	$r->print('</select></td></tr>'."\n");
+ 	$r->print('</select></td>'.&end_data_table_row()."\n");
  	$i++;
      }
+     $r->print(&end_data_table());
      $i--;
      return $i;
  }
- Line 5553  sub csv_samples_select_table {
+ Line 6772  sub csv_samples_select_table {
      my $i=0;
      #
      my $samples = &get_samples($records,3);
-     $r->print('<table border=2><tr><th>'.
+     $r->print(&start_data_table().
-               &mt('Field').'</th><th>'.&mt('Samples').'</th></tr>');
+               &start_data_table_header_row().'<th>'.
+               &mt('Field').'</th><th>'.&mt('Samples').'</th>'.
+               &end_data_table_header_row());
      foreach my $key (sort(keys(%{ $samples->[0] }))) {
- 	$r->print('<tr><td><select name="f'.$i.'"'.
+ 	$r->print(&start_data_table_row().'<td><select name="f'.$i.'"'.
  		  ' onchange="javascript:flip(this.form,'.$i.');">');
  	foreach my $option (@$d) {
  	    my ($value,$display,$defaultcol)=@{ $option };
- Line 5571  sub csv_samples_select_table {
+ Line 6792  sub csv_samples_select_table {
  		$r->print($samples->[$line]{$key}."<br />\n");
  	    }
  	}
- 	$r->print('</td></tr>');
+ 	$r->print('</td>'.&end_data_table_row());
  	$i++;
      }
+     $r->print(&end_data_table());
      $i--;
      return($i);
  }
- Line 6167  sub commit_customrole {
+ Line 7389  sub commit_customrole {
  }
  sub commit_standardrole {
-     my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec) = @_;
+     my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
-     my $output;
+     my ($output,$logmsg,$linefeed);
-     my $logmsg;
+     if ($context eq 'auto') {
+         $linefeed = "\n";
+     } else {
+         $linefeed = "<br />\n";
+     }
      if ($three eq 'st') {
-         my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec);
+         my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,
-         if (($result =~ /^error/) || ($result eq 'not_in_class') || ($result eq 'unknown_course')) {
+                                          $one,$two,$sec,$context);
+         if (($result =~ /^error/) || ($result eq 'not_in_class') ||
+             ($result eq 'unknown_course')) {
              $output = "Error: $result\n";
          } else {
-             $output = &mt('Assigning').' '.$three.' in '.$url.
+             $output = $logmsg.$linefeed.&mt('Assigning').' '.$three.' in '.$url.
                 ($start?', '.&mt('starting').' '.localtime($start):'').
-                ($end?', '.&mt('ending').' '.localtime($end):'').
+                ($end?', '.&mt('ending').' '.localtime($end):'').': ';
-                ': <b>'.$result.'</b><br />'.
+             if ($context eq 'auto') {
-                &mt('Add to classlist').': <b>ok</b><br />';
+                 $output .= $result.$linefeed.&mt('Add to classlist').': ok';
+             } else {
+                $output .= '<b>'.$result.'</b>'.$linefeed.
+                &mt('Add to classlist').': <b>ok</b>';
+             }
+             $output .= $linefeed;
          }
      } else {
          $output = &mt('Assigning').' '.$three.' in '.$url.
                 ($start?', '.&mt('starting').' '.localtime($start):'').
-                ($end?', '.&mt('ending').' '.localtime($end):'').': <b>'.
+                ($end?', '.&mt('ending').' '.localtime($end):'').': ';
-                &Apache::lonnet::assignrole(
+         my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start);
-                    $udom,$uname,$url,$three,$end,$start).
+         if ($context eq 'auto') {
-                    '</b><br />';
+             $output .= $result.$linefeed;
+         } else {
+             $output .= '<b>'.$result.'</b>'.$linefeed;
+         }
      }
      return $output;
  }
  sub commit_studentrole {
-     my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec) = @_;
+     my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
-     my $linefeed =  '<br />'."\n";
+     my ($result,$linefeed);
-     my $result;
+     if ($context eq 'auto') {
+         $linefeed = "\n";
+     } else {
+         $linefeed = '<br />'."\n";
+     }
      if (defined($one) && defined($two)) {
          my $cid=$one.'_'.$two;
          my $oldsec=&Apache::lonnet::getsection($udom,$uname,$cid);
- Line 6241  sub commit_studentrole {
+ Line 7481  sub commit_studentrole {
  ############################################################
  ############################################################
+ sub check_clone {
+     my ($args,$linefeed) = @_;
+     my $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};
+     my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid);
+     my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
+     my $clonemsg;
+     my $can_clone = 0;
+     if ($clonehome eq 'no_host') {
+         $clonemsg = &mt('No new course created.').$linefeed.&mt('A new course could not be cloned from the specified original - [_1] - because it is a non-existent course.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
+     } else {
+ 	my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1});
+ 	if ($env{'request.role.domain'} eq $args->{'clonedomain'}) {
+ 	    $can_clone = 1;
+ 	} else {
+ 	    my %clonehash = &Apache::lonnet::get('environment',['cloners'],
+ 						 $args->{'clonedomain'},$args->{'clonecourse'});
+ 	    my @cloners = split(/,/,$clonehash{'cloners'});
+             if (grep(/^\*$/,@cloners)) {
+                 $can_clone = 1;
+             } elsif (grep(/^\*\:\Q$args->{'ccdomain'}\E$/,@cloners)) {
+                 $can_clone = 1;
+             } else {
+ 	        my %roleshash =
+ 		    &Apache::lonnet::get_my_roles($args->{'ccuname'},
+ 					 $args->{'ccdomain'},
+                                          'userroles',['active'],['cc'],
+ 					 [$args->{'clonedomain'}]);
+ 	        if (($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':cc'}) || (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners))) {
+ 		    $can_clone = 1;
+ 	        } else {
+                     $clonemsg = &mt('No new course created.').$linefeed.&mt('The new course could not be cloned from the existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
+ 	        }
+ 	    }
+         }
+     }
+     return ($can_clone, $clonemsg, $cloneid, $clonehome);
+ }
  sub construct_course {
-     my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname) = @_;
+     my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context) = @_;
      my $outcome;
+     my $linefeed =  '<br />'."\n";
+     if ($context eq 'auto') {
+         $linefeed = "\n";
+     }
+ #
+ # Are we cloning?
+ #
+     my ($can_clone, $clonemsg, $cloneid, $clonehome);
+     if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {
+ 	($can_clone, $clonemsg, $cloneid, $clonehome) = &check_clone($args,$linefeed);
+ 	if ($context ne 'auto') {
+             if ($clonemsg ne '') {
+ 	        $clonemsg = '<span class="LC_error">'.$clonemsg.'</span>';
+             }
+ 	}
+ 	$outcome .= $clonemsg.$linefeed;
+         if (!$can_clone) {
+ 	    return (0,$outcome);
+ 	}
+     }
  #
  # Open course
- Line 6264  sub construct_course {
+ Line 7565  sub construct_course {
      # Utils::Course. This needs to at least be output as a comment
      # if anyone ever decides to not show this, and Utils::Course::new
      # will need to be suitably modified.
-     $outcome .= &mt('New LON-CAPA [_1] ID: [_2]<br />',$crstype,$$courseid);
+     $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed;
  #
  # Check if created correctly
  #
      ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);
      my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);
-     $outcome .= &mt('Created on').': '.$crsuhome.'<br>';
+     $outcome .= &mt('Created on').': '.$crsuhome.$linefeed;
- #
- # Are we cloning?
  #
-     my $cloneid='';
+ # Do the cloning
-     if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {
+ #
- 	$cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};
+     if ($can_clone && $cloneid) {
-         my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid);
+ 	$clonemsg = &mt('Cloning [_1] from [_2]',$crstype,$clonehome);
- 	my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
+ 	if ($context ne 'auto') {
- 	if ($clonehome eq 'no_host') {
+ 	    $clonemsg = '<span class="LC_success">'.$clonemsg.'</span>';
- 	    $outcome .=
+ 	}
-     '<br /><font color="red">'.&mt('Attempting to clone non-existing [_1]',$crstype).' '.$cloneid.'</font>';
+ 	$outcome .= $clonemsg.$linefeed;
- 	} else {
+ 	my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
- 	    $outcome .=
-     '<br /><font color="green">'.&mt('Cloning [_1] from [_2]',$crstype,$clonehome).'</font>';
- 	    my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
  # Copy all files
- 	    &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid);
+ 	&Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid);
  # Restore URL
- 	    $cenv{'url'}=$oldcenv{'url'};
+ 	$cenv{'url'}=$oldcenv{'url'};
  # Restore title
- 	    $cenv{'description'}=$oldcenv{'description'};
+ 	$cenv{'description'}=$oldcenv{'description'};
  # restore grading mode
- 	    if (defined($oldcenv{'grading'})) {
+ 	if (defined($oldcenv{'grading'})) {
- 		$cenv{'grading'}=$oldcenv{'grading'};
+ 	    $cenv{'grading'}=$oldcenv{'grading'};
- 	    }
- # Mark as cloned
- 	    $cenv{'clonedfrom'}=$cloneid;
- 	    delete($cenv{'default_enrollment_start_date'});
- 	    delete($cenv{'default_enrollment_end_date'});
  	}
+ # Mark as cloned
+ 	$cenv{'clonedfrom'}=$cloneid;
+ 	delete($cenv{'default_enrollment_start_date'});
+ 	delete($cenv{'default_enrollment_end_date'});
      }
  #
  # Set environment (will override cloned, if existing)
  #
- Line 6405  sub construct_course {
+ Line 7702  sub construct_course {
                  'dnhr' => 'does not have rights to access enrollment in these classes',
                  'adby' => 'as determined by the policies of your institution on access to official classlists'
          );
-         $outcome .= '<font color="red">'.$lt{'tclb'}.' ('.$cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.' ('.$lt{'adby'}.').<br /><ul>'."\n";
+         my $badclass_msg = $cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.
-         foreach (@badclasses) {
+                            ' ('.$lt{'adby'}.')';
-             $outcome .= "<li>$_</li>\n";
+         if ($context eq 'auto') {
-         }
+             $outcome .= $badclass_msg.$linefeed;
-         $outcome .= "</ul><br /><br /></font>\n";
+             $outcome .= '<div class="LC_warning">'.$badclass_msg.$linefeed.'<ul>'."\n";
+             foreach my $item (@badclasses) {
+                 if ($context eq 'auto') {
+                     $outcome .= " - $item\n";
+                 } else {
+                     $outcome .= "<li>$item</li>\n";
+                 }
+             }
+             if ($context eq 'auto') {
+                 $outcome .= $linefeed;
+             } else {
+                 $outcome .= "</ul><br /><br /></div>\n";
+             }
+         }
      }
      if ($args->{'no_end_date'}) {
          $args->{'endaccess'} = 0;
- Line 6425  sub construct_course {
+ Line 7735  sub construct_course {
      $cenv{'internal.autharg'} = $args->{'autharg'};
      if ( ($cenv{'internal.authtype'} =~ /^krb/) && ($cenv{'internal.autoadds'} == 1)) {
          if (! defined($cenv{'internal.autharg'}) || $cenv{'internal.autharg'}  eq '') {
-             $outcome .= '<font color="red" size="+1">'.
+             my $krb_msg = &mt('As you did not include the default Kerberos domain to be used for authentication in this class, the institutional data used by the automated enrollment process must include the Kerberos domain for each new student');
-                       &mt('As you did not include the default Kerberos domain to be used for authentication in this class, the institutional data used by the automated enrollment process must include the Kerberos domain for each new student').'</font></p>';
+             if ($context eq 'auto') {
+                 $outcome .= $krb_msg;
+             } else {
+                 $outcome .= '<span class="LC_error">'.$krb_msg.'</span>';
+             }
+             $outcome .= $linefeed;
          }
      }
      if (($args->{'ccdomain'}) && ($args->{'ccuname'})) {
- Line 6482  sub construct_course {
+ Line 7797  sub construct_course {
      # By default, use standard grading
      if (!defined($cenv{'grading'})) { $cenv{'grading'} = 'standard'; }
-     $outcome .= ('<br />'.&mt('Setting environment').': '.
+     $outcome .= $linefeed.&mt('Setting environment').': '.
-           &Apache::lonnet::put('environment',\%cenv,$$crsudom,$$crsunum).'<br>');
+           &Apache::lonnet::put('environment',\%cenv,$$crsudom,$$crsunum).$linefeed;
  #
  # Open all assignments
  #
- Line 6493  sub construct_course {
+ Line 7808  sub construct_course {
                             $storeunder.'.type' => 'date_start');
         $outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput
-                  ('resourcedata',\%storecontent,$$crsudom,$$crsunum).'<br>';
+                  ('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed;
     }
  #
  # Set first page
- Line 6520  sub construct_course {
+ Line 7835  sub construct_course {
  	(my $outtext,$errtext) = &LONCAPA::map::storemap($map,1);
  	if ($errtext) { $fatal=2; }
-         $outcome .= ($fatal?$errtext:'write ok').'<br />';
+         $outcome .= ($fatal?$errtext:'write ok').$linefeed;
      }
-     return $outcome;
+     return (1,$outcome);
  }
  ############################################################
- Line 6551  sub group_term {
+ Line 7867  sub group_term {
  sub icon {
      my ($file)=@_;
-     my $curfext = (split(/\./,$file))[-1];
+     my $curfext = lc((split(/\./,$file))[-1]);
      my $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/unknown.gif';
      my $embstyle = &Apache::loncommon::fileembstyle($curfext);
      if (!(!defined($embstyle) || $embstyle eq 'unk' || $embstyle eq 'hdn')) {
- Line 6565  sub icon {
+ Line 7881  sub icon {
      return &lonhttpdurl($iconname);
  }
- sub lonhttpdurl {
+ sub lonhttpd_port {
-     my ($url)=@_;
      my $lonhttpd_port=$Apache::lonnet::perlvar{'lonhttpdPort'};
      if (!defined($lonhttpd_port)) { $lonhttpd_port='8080'; }
+     # IE doesn't like a secure page getting images from a non-secure
+     # port (when logging we haven't parsed the browser type so default
+     # back to secure
+     if ((!exists($env{'browser.type'}) || $env{'browser.type'} eq 'explorer')
+ 	&& $ENV{'SERVER_PORT'} == 443) {
+ 	return 443;
+     }
+     return $lonhttpd_port;
+ }
+ sub lonhttpdurl {
+     my ($url)=@_;
+     my $lonhttpd_port = &lonhttpd_port();
+     if ($lonhttpd_port == 443) {
+ 	return 'https://'.$ENV{'SERVER_NAME'}.$url;
+     }
      return 'http://'.$ENV{'SERVER_NAME'}.':'.$lonhttpd_port.$url;
  }

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.499
changed lines
	Added in v.1.596