--- loncom/interface/loncommon.pm	2004/11/02 20:48:02	1.226
+++ loncom/interface/loncommon.pm	2005/01/04 14:46:17	1.245
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.226 2004/11/02 20:48:02 albertel Exp $
+# $Id: loncommon.pm,v 1.245 2005/01/04 14:46:17 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -379,7 +379,7 @@ sub coursebrowser_javascript {
    return (<<ENDSTDBRW);
 <script type="text/javascript" language="Javascript" >
     var stdeditbrowser;
-    function opencrsbrowser(formname,uname,udom,desc) {
+    function opencrsbrowser(formname,uname,udom,desc,extra_element) {
         var url = '/adm/pickcourse?';
         var filter;
         if (filter != null) {
@@ -396,6 +396,12 @@ sub coursebrowser_javascript {
         url += 'form=' + formname + '&cnumelement='+uname+
 	                            '&cdomelement='+udom+
                                     '&cnameelement='+desc;
+        if (extra_element !=null && extra_element != '' && formname == 'rolechoice') {
+            url += '&roleelement='+extra_element;
+            if (domainfilter == null || domainfilter == '') {
+                url += '&domainfilter='+extra_element;
+            }
+        }
         var title = 'Course_Browser';
         var options = 'scrollbars=1,resizable=1,menubar=0';
         options += ',width=700,height=600';
@@ -407,9 +413,9 @@ ENDSTDBRW
 }
 
 sub selectcourse_link {
-   my ($form,$unameele,$udomele,$desc)=@_;
+   my ($form,$unameele,$udomele,$desc,$extra_element)=@_;
     return "<a href='".'javascript:opencrsbrowser("'.$form.'","'.$unameele.
-        '","'.$udomele.'","'.$desc.'");'."'>".&mt('Select Course')."</a>";
+        '","'.$udomele.'","'.$desc.'","'.$extra_element.'");'."'>".&mt('Select Course')."</a>";
 }
 
 =pod
@@ -662,6 +668,7 @@ sub help_open_menu {
     my $link='';
     my $title = &mt('Get help');
     my $origurl = $ENV{'REQUEST_URI'};
+    $origurl=~s|^/~|/priv/|;
     my $timestamp = time;
     foreach (\$color,\$function,\$topic,\$component_help,\$faq,\$bug,\$origurl) {
         $$_ = &Apache::lonnet::escape($$_);
@@ -684,20 +691,30 @@ sub help_open_menu {
     $template .= <<"ENDTEMPLATE";
  <script type="text/javascript">
 //<!-- BEGIN LON-CAPA Internal
-function helpMenu(caller) {
-    if (caller == 'open') {
-        newWindow =  window.open("","helpmenu","HEIGHT=$height,WIDTH=$width,resize=yes,scrollbars=yes" )
-        caller = newWindow.document
-    } else {
-        caller = this.document
-    }
-    caller.write("<html><head><title>LON-CAPA Help Menu</title><meta http-equiv='pragma' content='no-cache'></head>")
-    caller.write("<frameset rows='105,*' border='0'><frame name='bannerframe'  src='$banner_link'><frame name='bodyframe' src='$details_link'></frameset>")
-    caller.write("</html>")
-    caller.close()
-    if (caller == newWindow.document) {
-        caller.focus()
+function helpMenu(target) {
+    var caller = this;
+    if (target == 'open') {
+        var newWindow = null;
+        try {
+            newWindow =  window.open("","helpmenu","HEIGHT=$height,WIDTH=$width,resizable=yes,scrollbars=yes" )
+        }
+        catch(error) {
+            writeHelp(caller);
+            return;
+        }
+        if (newWindow) {
+            caller = newWindow;
+        }
     }
+    writeHelp(caller);
+    return;
+}
+function writeHelp(caller) {
+    caller.document.write("<html><head><title>LON-CAPA Help Menu</title><meta http-equiv='pragma' content='no-cache'></head>")
+    caller.document.write("<frameset rows='105,*' border='0'><frame name='bannerframe'  src='$banner_link'><frame name='bodyframe' src='$details_link'></frameset>")
+    caller.document.write("</html>")
+    caller.document.close()
+    caller.focus()
 }
 // END LON-CAPA Internal -->
  </script>
@@ -2278,7 +2295,7 @@ sub get_student_view {
   if (defined($moreenv)) {
       %form=(%form,%{$moreenv});
   }
-  if ($target eq 'tex') {$form{'grade_target'} = 'tex';}
+  if (defined($target)) { $form{'grade_target'} = $target; }
   $feedurl=&Apache::lonnet::clutter($feedurl);
   my $userview=&Apache::lonnet::ssi_body($feedurl,%form);
   $userview=~s/\<body[^\>]*\>//gi;
@@ -2318,7 +2335,7 @@ sub get_student_answers {
 
 =item * &submlink()
 
-Inputs: $text $uname $udom $symb
+Inputs: $text $uname $udom $symb $target
 
 Returns: A link to grades.pm such as to see the SUBM view of a student
 
@@ -2326,15 +2343,64 @@ Returns: A link to grades.pm such as to
 
 ###############################################
 sub submlink {
-    my ($text,$uname,$udom,$symb)=@_;
+    my ($text,$uname,$udom,$symb,$target)=@_;
     if (!($uname && $udom)) {
 	(my $cursymb, my $courseid,$udom,$uname)=
 	    &Apache::lonxml::whichuser($symb);
 	if (!$symb) { $symb=$cursymb; }
     }
     if (!$symb) { $symb=&symbread(); }
-    return '<a href="/adm/grades?symb='.$symb.'&student='.$uname.
-	'&userdom='.$udom.'&command=submission">'.$text.'</a>';
+    $symb=&Apache::lonnet::escape($symb);
+    if ($target) { $target="target=\"$target\""; }
+    return '<a href="/adm/grades?&command=submission&'.
+	'symb='.$symb.'&student='.$uname.
+	'&userdom='.$udom.'" '.$target.'>'.$text.'</a>';
+}
+##############################################
+
+=pod
+
+=item * &pgrdlink()
+
+Inputs: $text $uname $udom $symb $target
+
+Returns: A link to grades.pm such as to see the PGRD view of a student
+
+=cut
+
+###############################################
+sub pgrdlink {
+    my $link=&submlink(@_);
+    $link=~s/(&command=submission)/$1&showgrading=yes/;
+    return $link;
+}
+##############################################
+
+=pod
+
+=item * &pprmlink()
+
+Inputs: $text $uname $udom $symb $target
+
+Returns: A link to parmset.pm such as to see the PPRM view of a
+student andn resource
+
+=cut
+
+###############################################
+sub pprmlink {
+    my ($text,$uname,$udom,$symb,$target)=@_;
+    if (!($uname && $udom)) {
+	(my $cursymb, my $courseid,$udom,$uname)=
+	    &Apache::lonxml::whichuser($symb);
+	if (!$symb) { $symb=$cursymb; }
+    }
+    if (!$symb) { $symb=&symbread(); }
+    $symb=&Apache::lonnet::escape($symb);
+    if ($target) { $target="target=\"$target\""; }
+    return '<a href="/adm/parmset?&command=set&'.
+	'symb='.$symb.'&uname='.$uname.
+	'&udom='.$udom.'" '.$target.'>'.$text.'</a>';
 }
 ##############################################
 
@@ -2555,7 +2621,7 @@ sub bodytag {
     if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
 # construct main body tag
     my $bodytag = <<END;
-<style>
+<style type="text/css">
 h1, h2, h3, th { font-family: Arial, Helvetica, sans-serif }
 a:focus { color: red; background: yellow } 
 </style>
@@ -2576,7 +2642,6 @@ END
 # No Remote
 	my $roleinfo=(<<ENDROLE);
 <td bgcolor="$tabbg" align="right">
-<p>
 <font size="2" face="Arial, Helvetica, sans-serif">
     $ENV{'environment.firstname'}
     $ENV{'environment.middlename'}
@@ -2587,17 +2652,51 @@ END
 <font size="2" face="Arial, Helvetica, sans-serif">$role</font>&nbsp;
 <br />
 <font size="2" face="Arial, Helvetica, sans-serif">$realm</font>&nbsp;
-</p>
 </td>
 ENDROLE
         my $titleinfo = '<font face="Arial, Helvetica, sans-serif" size="+3" color="'.
-                        $font.'"><b>'.$title.'</b></font>';
+		$font.'"><b>'.$title.'</b></font>';
         if ($customtitle) {
             $titleinfo = $customtitle;
-        } 
-        return $bodytag.&Apache::lonmenu::menubuttons($forcereg,'web',
-                                                      $forcereg).
-      '<table bgcolor="'.$pgbg.'" width="100%" border="0" cellspacing="3" cellpadding="3"><tr><td rowspan="3" bgcolor="'.$tabbg.'">'.$titleinfo.'</td>'.$roleinfo.'</tr></table>';
+        }
+
+	if ($ENV{'request.state'} eq 'construct') {
+	    my ($uname,$thisdisfn)=
+		($ENV{'request.filename'} =~ m|^/home/([^/]+)/public_html/(.*)|);
+	    my $formaction='/priv/'.$uname.'/'.$thisdisfn;
+	    $formaction=~s/\/+/\//g;
+            unless ($customtitle) {  #this is for resources; directories have customtitle, and crumbs and select recent are created in lonpubdir.pm  
+                my $parentpath = '';
+                my $lastitem = '';
+                if ($thisdisfn =~ m-(.+/)([^/]*)$-) {
+                    $parentpath = $1;
+                    $lastitem = $2;
+                } else {
+                    $lastitem = $thisdisfn;
+                }
+	        $titleinfo = &Apache::loncommon::help_open_menu('','','','',3,'Authoring').
+                      '<font face="Arial, Helvetica, sans-serif"><b>Construction Space</b>:</font>&nbsp;'. 
+                      '<form name="dirs" method="post" action="'.$formaction
+		    .'" target="_top"><tt><b>'
+		    .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv','','+1',1)."<font size=\"+1\">$lastitem</font></b></tt><br />"
+		    .&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')
+		    .'</form>'
+		    .&Apache::lonmenu::constspaceform();
+
+            }
+	    $forcereg=1;
+        }
+        my $titletable = '<table bgcolor="'.$pgbg.'" width="100%" border="0" '.
+                         'cellspacing="3" cellpadding="3">'.
+                         '<tr><td rowspan="3" bgcolor="'.$tabbg.'">'.
+                         $titleinfo.'</td>'.$roleinfo.'</tr></table>';
+        if ($ENV{'request.state'} eq 'construct') {
+            $bodytag .= &Apache::lonmenu::menubuttons($forcereg,'web',$forcereg,$titletable);
+	} else {
+            $bodytag .= &Apache::lonmenu::menubuttons($forcereg,'web',$forcereg).
+                        $titletable;
+        }
+        return $bodytag;
     }
 
 #
@@ -2607,6 +2706,17 @@ ENDROLE
     if ($customtitle) {
         $titleinfo = $customtitle;
     }
+    #
+    # Extra info if you are the DC
+    my $dc_info = '';
+    if ($ENV{'user.adv'} && exists($ENV{'user.role.dc./'.
+                        $ENV{'course.'.$ENV{'request.course.id'}.
+                                 '.domain'}.'/'})) {
+        my $cid = $ENV{'request.course.id'};
+        $dc_info.= $cid.' '.$ENV{'course.'.$cid.'.internal.coursecode'};
+        $dc_info = '('.$dc_info.')';
+    }
+    #
     return(<<ENDBODY);
 $bodytag
 <table width="100%" cellspacing="0" border="0" cellpadding="0">
@@ -2616,7 +2726,7 @@ $upperleft</td>
 </tr>
 <tr>
 <td rowspan="3" bgcolor="$tabbg">
-$titleinfo
+$titleinfo $dc_info
 <td bgcolor="$tabbg" align="right">
 <font size="2" face="Arial, Helvetica, sans-serif">
     $ENV{'environment.firstname'}
@@ -2664,6 +2774,61 @@ sub get_users_function {
 
 ###############################################
 
+=pod
+
+=item get_sections
+
+Determines all the sections for a course including
+sections with students and sections containing other roles.
+Incoming parameters: domain, course number, reference to 
+section hash (keys to be section/group IDs), reference to 
+array containing roles for which sections should be gathered
+(optional). If the fourth argument is undefined, sections
+are gathered for any role.
+ 
+Returns number of sections.
+
+=cut
+
+###############################################
+sub get_sections {
+    my ($cdom,$cnum,$sectioncount,$possible_roles) = @_;
+    if (!($cdom && $cnum)) { return 0; }
+    my $cid = $cdom.'_'.$cnum;
+    my $numsections = 0;
+
+    if (!defined($possible_roles) || (grep/^st$/,@$possible_roles)) {
+	my ($classlist) = &Apache::loncoursedata::get_classlist($cid,$cdom,$cnum);
+	my $sec_index = &Apache::loncoursedata::CL_SECTION();
+	my $status_index = &Apache::loncoursedata::CL_STATUS();
+	while (my ($student,$data) = each %$classlist) {
+	    my ($section,$status) = ($data->[$sec_index],
+				     $data->[$status_index]);
+	    unless ($section eq '-1' || $section =~ /^\s*$/) {
+		if (!defined($$sectioncount{$section})) { $numsections++; }
+		$$sectioncount{$section}++;
+	    }
+	}
+    }
+    my %courseroles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
+    foreach my $user (sort(keys(%courseroles))) {
+	if ($user !~ /^(\w{2})/) { next; }
+	my ($role) = ($user =~ /^(\w{2})/);
+	if ($possible_roles && !(grep(/^$role$/,@$possible_roles))) { next; }
+	my $section;
+	if ($role eq 'cr' &&
+	    $user =~ m-^$role/[^/]*/[^/]*/[^/]*:[^:]*:[^:]*:(\w+)-) {
+	    $section=$1;
+	}
+	if ($user =~ /^$role:[^:]*:[^:]*:(\w+)/) { $section=$1; }
+	if (!defined($section) || $section eq '-1') { next; }
+	if (!defined($$sectioncount{$section})) { $numsections++; } 
+	$$sectioncount{$section}++;
+    }
+    return $numsections;
+}
+
+
 sub get_posted_cgi {
     my $r=shift;
 
@@ -3270,6 +3435,9 @@ they are plotted.  If undefined, default
 =item @Values: An array of array references.  Each array reference holds data
 to be plotted in a stacked bar chart.
 
+=item If the final element of @Values is a hash reference the key/value
+pairs will be added to the graph definition.
+
 =back
 
 Returns:
@@ -3290,6 +3458,10 @@ sub DrawBarGraph {
                   '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
                   ]; 
     }
+    my $extra_settings = {};
+    if (ref($Values[-1]) eq 'HASH') {
+        $extra_settings = pop(@Values);
+    }
     #
     my $identifier = &get_cgi_id();
     my $id = 'cgi.'.$identifier;        
@@ -3365,6 +3537,11 @@ sub DrawBarGraph {
     $ValuesHash{$id.'.bar_width'} = $bar_width;
     $ValuesHash{$id.'.labels'} = join(',',@Labels);
     #
+    # Deal with other parameters
+    while (my ($key,$value) = each(%$extra_settings)) {
+        $ValuesHash{$id.'.'.$key} = $value;
+    }
+    #
     &Apache::lonnet::appenv(%ValuesHash);
     return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
 }
@@ -3772,7 +3949,7 @@ sub escape_double {
 #   Escapes the last element of a full URL.
 sub escape_url {
     my ($url)   = @_;
-    my @urlslices = split(/\//, $url);
+    my @urlslices = split(/\//, $url,-1);
     my $lastitem = &Apache::lonnet::escape(pop(@urlslices));
     return join('/',@urlslices).'/'.$lastitem;
 }