--- loncom/interface/selfenroll.pm	2008/07/11 13:43:53	1.9
+++ loncom/interface/selfenroll.pm	2008/07/17 12:22:28	1.12
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Allow users to self-enroll in a course
 #
-# $Id: selfenroll.pm,v 1.9 2008/07/11 13:43:53 raeburn Exp $
+# $Id: selfenroll.pm,v 1.12 2008/07/17 12:22:28 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -33,6 +33,7 @@ use Apache::Constants qw(:common);
 use Apache::lonnet;
 use Apache::loncommon;
 use Apache::lonlocal;
+use Apache::createaccount;
 use LONCAPA qw(:DEFAULT :match);
 
 sub handler {
@@ -44,35 +45,41 @@ sub handler {
     }
     my $handle = &Apache::lonnet::check_for_valid_session($r);
     my $lonidsdir=$r->dir_config('lonIDsDir');
+    my $lonhost = $r->dir_config('lonHostID');
     if ($handle ne '') {
         &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
     }
     &Apache::lonacc::get_posted_cgi($r);
     &Apache::lonlocal::get_language_handle($r);
-    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['cid']);
-    my ($coursechk,$cid) = &validate_course_id($env{'form.cid'});
-    my $start_page =
-        &Apache::loncommon::start_page('Self-enroll in a LON-CAPA course','',
-                                       {'no_inline_link'   => 1,});
-    $r->print($start_page);
-    &Apache::lonhtmlcommon::clear_breadcrumbs();
-    &Apache::lonhtmlcommon::add_breadcrumb
-    ({href=>"/adm/selfenroll?cid=$cid",
-      text=>"Self-enroll"});
-    $r->print(&Apache::lonhtmlcommon::breadcrumbs('Self-enroll in course'));
+    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['courseid']);
+    my $js = &Apache::createaccount::catreturn_js();
+    my $desc;
+    my ($coursechk,$courseid) = &validate_course_id($env{'form.courseid'});
     if ($coursechk ne 'ok') {
+        &page_header($r,$courseid,$js);
         $r->print('<h3>'.&mt('Self-enrollment error').'</h3>'.
-                  '<span class="LC_error">'.&mt('Invalid domain or course number').'</span>');
-        $r->print(&Apache::loncommon::end_page());
+                  '<span class="LC_error">'.
+                  &mt('Invalid domain or course number').'</span>');
+        &page_footer($r);
         return OK;
     }
-    my ($cdom,$cnum,$canenroll,$selfenroll_types,$selfenroll_registered,
-        @cancreate,$knownuser,$selfenroll_access_start,$selfenroll_access_end,
-        $selfenroll_section,$selfenroll_future,%curr_role,%coursehash,$cdomdesc);
     my $now = time;
-    %coursehash = &Apache::lonnet::coursedescription($cid);
-    $cdom = $coursehash{'domain'};
-    $cnum = $coursehash{'num'};
+    if ($env{'form.phase'} eq 'login') {
+        $js .= "\n".&Apache::createaccount::javascript_setforms($now);
+    }
+    my %coursehash = &Apache::lonnet::coursedescription($courseid);
+    my $cdom = $coursehash{'domain'};
+    my $cnum = $coursehash{'num'};
+    my $desc = $coursehash{'description'};
+    &page_header($r,$courseid,$js,$desc);
+    my $include = $r->dir_config('lonIncludes');
+    if ($env{'form.phase'} eq 'login') {
+        my $jsh=Apache::File->new($include."/londes.js");
+        $r->print(<$jsh>);
+    }
+    my ($canenroll,$selfenroll_types,$selfenroll_registered,@cancreate,
+        $knownuser,$selfenroll_access_start,$selfenroll_access_end,
+        $selfenroll_section,$selfenroll_future,%curr_role,$cdomdesc);
     $selfenroll_types = $coursehash{'internal.selfenroll_types'};
     $selfenroll_registered =  $coursehash{'internal.selfenroll_registered'};
     $selfenroll_section = $coursehash{'internal.selfenroll_section'};
@@ -161,57 +168,64 @@ sub handler {
         if (keys(%curr_role)) {
             $r->print(&has_role(%curr_role));
         }
-        $r->print(&Apache::loncommon::end_page());
+        &page_footer($r);
         return OK;
     }
     @cancreate = &can_create($cdom);
-    my ($login_path,$firsturl,$create_path,$sso_url,$missing_formitem);
+    my ($form,$login_path,$firsturl,$create_path,$sso_url,$missing_formitem);
+    $form = 'logmein';
     $login_path = '/adm/login';
-    $firsturl= '/adm/selfenroll?cid='.$cid;
+    $firsturl= '/adm/selfenroll?courseid='.$courseid;
     $create_path = '/adm/createaccount';
     $sso_url = $r->dir_config('lonSSOReloginServer');
     if ($sso_url eq '') {
         $sso_url = $login_path;
     }
-    my $missing_formitem = &mt('The link to the requested page could not be followed.')."\\n".&mt('The placeholder for the courseID is absent.');
+    $missing_formitem = &mt('The link to the requested page could not be followed.')."\\n".&mt('The placeholder for the courseID is absent.');
     if ($knownuser) {
         if (keys(%curr_role)) {
             $r->print('<h3>'.&mt('Self-enrollment unavailable').'</h3>'.
                       '<span class="LC_warning">'.&has_role(%curr_role).'</span>');
-            $r->print(&Apache::loncommon::end_page());
+            &page_footer($r);
             return OK;
         }
         &process_self_enroll($r,$cdom,$cnum,$selfenroll_types,$selfenroll_registered,
                              $selfenroll_access_start,$selfenroll_access_end,
                              $selfenroll_section,$now);
+    } elsif ($env{'form.phase'} eq 'login') {
+        my $submit_text = &mt('Log in');
+        $r->print('<h3>'.&mt('Log-in to LON-CAPA').'</h3>');
+        my $udom = &Apache::lonnet::default_login_domain();
+        $r->print(&Apache::createaccount::login_box($now,$lonhost,$courseid,
+                                           $submit_text,$udom,'selfenroll'));
+        $r->print(&mt('You will be able to self-enroll in the course you selected ([_1]) after you have successfully logged in.','<b>'.$desc.'</b>'));
+        &page_footer($r);
+        return OK;
     } elsif (@cancreate > 0) {
         $r->print(<<END);
 <script type="text/javascript">
-function setPath(formaction,item,arg) {
-    document.forms.logmein.action = formaction;
-    var itemid = getIndexByName("setting");
-    if (itemid > -1) {
-        document.logmein.elements[itemid].name = item;
-        document.logmein.elements[itemid].value = arg;
-        document.logmein.submit();
-    } else {
-        alert("$missing_formitem");
+function setPath(formname,formaction,item,arg) {
+    var formidx = getFormByName(formname);
+    if (formidx > -1) {
+        if (formaction != '') {
+            document.forms[formidx].action = formaction;
+        }
+        var itemid = getIndexByName(formidx,'setting');
+        if (itemid > -1) {
+            document.forms[formidx].elements[itemid].name = item;
+            document.forms[formidx].elements[itemid].value = arg;
+            document.forms[formidx].submit();
+        } else {
+            alert("$missing_formitem");
+        }
     }
     return;
 }
 
-function getIndexByName(item) {
-    for (var i=0;i<document.logmein.elements.length;i++) {
-        if (document.logmein.elements[i].name == item) {
-            return i;
-        }
-    }
-    return -1;
-}
 </script>
 END
         $r->print('<h3>'.&mt('LON-CAPA account required').'</h3>'.
-                  &mt('You need to be logged into LON-CAPA to self-enroll in a course.').'<ul><li>'.&mt('If you have an account in LON-CAPA, [_1]log-in[_2].','<a href="javascript:setPath('."'$login_path','firsturl','$firsturl'".')">','</a>').'</li>');
+                  &mt('You need to be logged into LON-CAPA to self-enroll in a course.').'<ul><li>'.&mt('If you have an account in LON-CAPA, [_1]log-in[_2].','<a href="javascript:setPath('."'$form','','phase','login'".')">','</a>').'</li>');
         if (@cancreate > 1) {
             $r->print('<li>'.&mt('Otherwise:').'<br />');
             my $count = 0;
@@ -221,11 +235,11 @@ END
                 }
                 if (grep(/^$type$/,@cancreate)) {
                     if ($type eq 'sso') {
-                        $r->print('&nbsp;&nbsp;'.&mt("if you have an institutional log-in, use your institution's [_1]single sign on page[_2] to log-in, then create an account",'<a href="javascript:setPath('."'$sso_url','firsturl','$firsturl'".')">','</a>'));
+                        $r->print('&nbsp;&nbsp;'.&mt("if you have an institutional log-in, use your institution's [_1]single sign on page[_2] to log-in, then create an account",'<a href="javascript:setPath('."'$form','$sso_url','firsturl','$firsturl'".')">','</a>'));
                     } elsif ($type eq 'login') {
-                        $r->print('&nbsp;&nbsp;'.&mt('if you have an institutional login, [_1]create an account[_2]','<a href="javascript:setPath('."'$create_path','courseid','$cid'".')">','</a>'));
+                        $r->print('&nbsp;&nbsp;'.&mt('if you have an institutional login, [_1]create an account[_2]','<a href="javascript:setPath('."'$form','$create_path','context','selfenroll_create'".')">','</a>'));
                     } elsif ($type eq 'email') {
-                        $r->print('&nbsp;&nbsp;'.&mt('you can use an e-mail address to [_1]create an account[_2]','<a href="javascript:setPath('."'$create_path','courseid','$cid'".')">','</a>'));
+                        $r->print('&nbsp;&nbsp;'.&mt('you can use an e-mail address to [_1]create an account[_2]','<a href="javascript:setPath('."'$form','$create_path','context','selfenroll_create'".')">','</a>'));
                     }
                     $count ++;
                 }
@@ -233,11 +247,11 @@ END
             $r->print('.<br />');
         } else {
             if ($cancreate[0] eq 'login') {
-                $r->print('<li>'.&mt('Otherwise, if you have an institutional login, [_1]create an account[_2].','<a href="javascript:setPath('."'$create_path','courseid','$cid'".')">','</a>'));
+                $r->print('<li>'.&mt('Otherwise, if you have an institutional login, [_1]create an account[_2].','<a href="javascript:setPath('."'$form','$create_path','context','selfenroll_create'".')">','</a>'));
             } elsif ($cancreate[0] eq 'email') {
-                $r->print('<li>'.&mt('Otherwise, you will use an e-mail address to [_1]create an account[_2].','<a href="javascript:setPath('."'$create_path','courseid','$cid'".')">','</a>'));
+                $r->print('<li>'.&mt('Otherwise, you will use an e-mail address to [_1]create an account[_2].','<a href="javascript:setPath('."'$form','$create_path','context','selfenroll_create'".')">','</a>'));
             } elsif ($cancreate[0] eq 'sso') {
-                $r->print('<li>'.&mt("Otherwise, use your institution's [_1]single sign on page[_2] to log-in, then create an account.",'<a href="javascript:setPath('."'$sso_url','firsturl','$firsturl'".')">','</a>'));
+                $r->print('<li>'.&mt("Otherwise, use your institution's [_1]single sign on page[_2] to log-in, then create an account.",'<a href="javascript:setPath('."'$form','$sso_url','firsturl','$firsturl'".')">','</a>'));
             }
         }
         if ($selfenroll_types eq '*') {
@@ -260,19 +274,41 @@ END
         my $displayurl = &escape($firsturl);
         $r->print(&mt('Submit a request to the LON-CAPA [_1]helpdesk[_2] for [_3] if you require assistance.','<a href="/adm/helpdesk?origurl='.$displayurl.'">','</a>',$cdomdesc));
     }
-    $r->print('<form name ="logmein" method="post" action="">'."\n".
+    $r->print("\n".'<form name="'.$form.'" method="post" action="">'."\n".
+              '<input type="hidden" name="courseid" value="'.$courseid.'" />'."\n".
               '<input type="hidden" name="setting" value=""/>'."\n".
-              '</form>'."\n".
-              &Apache::loncommon::end_page());
+              &Apache::lonhtmlcommon::echo_form_input(['backto','courseid','context','phase'])."\n".
+              '</form>'."\n");
+              &page_footer($r);
     return OK;
 }
 
+sub page_header {
+    my ($r,$courseid,$js,$desc) = @_;
+    my $start_page =
+        &Apache::loncommon::start_page('Self-enroll in a LON-CAPA course',$js,
+                                       {'no_inline_link'   => 1,});
+    $r->print($start_page);
+    &Apache::lonhtmlcommon::clear_breadcrumbs();
+    &Apache::createaccount::selfenroll_crumbs($r,$courseid,$desc);
+    $r->print(&Apache::lonhtmlcommon::breadcrumbs('Self-enroll in course'));
+    return;
+}
+
+sub page_footer {
+    my ($r) = @_;
+    $r->print('<form name="backupcrumbs" method="post" action="/adm/coursecatalog">'."\n".
+              &Apache::lonhtmlcommon::echo_form_input(['backto','courseid','phase','context']).
+              '</form>'.&Apache::loncommon::end_page());
+    return;
+}
+
 sub validate_course_id {
-    my ($cid) = @_;
-    my ($cdom,$cnum) = ($env{'form.cid'} =~ /^($match_domain)_($match_courseid)$/);
+    my ($courseid) = @_;
+    my ($cdom,$cnum) = ($env{'form.courseid'} =~ /^($match_domain)_($match_courseid)$/);
     if ($cdom ne '' && $cnum ne '') {
         if (&Apache::lonnet::is_course($cdom,$cnum)) {
-            return ('ok',$cid);
+            return ('ok',$courseid);
         }
     } 
     return;
@@ -520,14 +556,14 @@ sub print_selfenroll_types {
                 $output = &mt('Self-enrollment is not currently available for this course for users affiliated with [_1].',$domdesc);
             }
         } elsif (keys(%{$longtypes}) > 0) {
-            $output = &mt('Self-enrollment in this course is only available to users affiliated with the following institutions, and who have the required status:').' <ul>';
+            $output = &mt('Self-enrollment in this course is only available to users affiliated with the following institutions, and who have the required status:').' <ul>'."\n";
             foreach my $selfdom (sort(keys(%{$longtypes}))) {
                 my $selfdomdesc = &Apache::lonnet::domain($selfdom,'description');
                 if (ref($longtypes->{$selfdom}) eq 'ARRAY') {
-                    $output .= '<li>'.$selfdomdesc.': '.join(', ',@{$longtypes->{$selfdom}}).'</li>';
+                    $output .= '<li>'.$selfdomdesc.': '.join(', ',@{$longtypes->{$selfdom}}).'</li>'."\n";
                 }
             }
-            $output .= '</ul>';
+            $output .= '</ul>'."\n";
         } else {
             $output = &mt('Self-enrollment is not currently available for this course.');
         }