--- loncom/interface/statistics/lonstathelpers.pm	2006/02/14 16:05:46	1.52
+++ loncom/interface/statistics/lonstathelpers.pm	2011/11/18 22:35:33	1.59.12.2
@@ -1,6 +1,6 @@
 # The LearningOnline Network with CAPA
 #
-# $Id: lonstathelpers.pm,v 1.52 2006/02/14 16:05:46 albertel Exp $
+# $Id: lonstathelpers.pm,v 1.59.12.2 2011/11/18 22:35:33 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -60,6 +60,9 @@ use Time::Local();
 use Spreadsheet::WriteExcel();
 use GDBM_File;
 use Storable qw(freeze thaw);
+use lib '/home/httpd/lib/perl/';
+use LONCAPA;
+ 
 
 ####################################################
 ####################################################
@@ -83,7 +86,7 @@ sub render_resource {
     ## Render the problem
     my ($base) = ($resource->src =~ m|^(.*/)[^/]*$|);
     $base="http://".$ENV{'SERVER_NAME'}.$base;
-    my ($src,$symb)=($resource->src,&Apache::lonnet::escape($resource->symb));
+    my ($src,$symb)=($resource->link,&escape($resource->shown_symb));
     my $rendered_problem = &Apache::lonnet::ssi_body($src.'?symb='.$symb);
     $rendered_problem =~ s/<\s*form\s*/<nop /g;
     $rendered_problem =~ s|(<\s*/form\s*>)|<\/nop>|g;
@@ -155,23 +158,22 @@ sub problem_selector {
                                                      resptype=>$resptype});
                         my $checked = '';
                         if ($env{'form.problemchoice'} eq $value) {
-                            $checked = 'checked ';
+                            $checked = ' checked="checked"';
                         }
                         my $title = $res->compTitle;
                         if (! defined($title) || $title eq '') {
                             ($title) = ($res->src =~ m:/([^/]*)$:);
                         }
                         $seq_str .= '<tr>'.
-                            qq{<td><input type="radio" id="$rb_count" name="problemchoice" value="$value" $checked /></td>}.
+                            qq{<td><input type="radio" id="$rb_count" name="problemchoice" value="$value"$checked /></td>}.
                             '<td><label for="'.$rb_count.'">'.$resptype.'</label></td>'.
                             '<td><label for="'.$rb_count.'">'.$title.'</label>';
                         if (scalar(@response_ids) > 1) {
                             $seq_str .= &mt('response').' '.$respid;
                         }
-                        my $link = $res->src.'?symb='.
-                            &Apache::lonnet::escape($res->symb);
+                        my $link = $res->link.'?symb='.&escape($res->shown_symb);
                         $seq_str .= ('&nbsp;'x2).
-                            qq{<a target="preview" href="$link">view</a>};
+                            '<a target="preview" href="'.$link.'">'.&mt('view').'</a>';
                         $seq_str .= "</td></tr>\n";
                         $rb_count++;
                     }
@@ -179,12 +181,12 @@ sub problem_selector {
             }
         }
         if ($seq_str ne '') {
-            $Str .= '<tr><td>&nbsp</td>'.
+            $Str .= '<tr><td>&nbsp;</td>'.
                 '<td colspan="2"><b>'.$seq->compTitle.'</b></td>'.
                 "</tr>\n".$seq_str;
             if (defined($sequence_addendum)) {
                 $Str .= '<tr>'.
-                    ('<td>&nbsp</td>'x2).
+                    ('<td>&nbsp;</td>'x2).
                     '<td align="right">'.$sequence_addendum.'</td>'.
                     "</tr>\n";
             }
@@ -227,20 +229,41 @@ sub MultipleProblemSelector {
     if (! defined($navmap)) {
         $navmap = Apache::lonnavmaps::navmap->new();
         if (! defined($navmap)) {
-            $Str .= 
-                '<h1>'.&mt('Error: cannot process course structure').'</h1>';
+            $Str .= '<div class="LC_error">'
+                   .&mt('Error: cannot process course structure')
+                   .'</div>';
             return $Str;
         }
     }
     my $selected = {map { ($_,1) } (&get_selected_symbs($inputname))};
     # Header
     $Str .= <<"END";
-<script language="JavaScript" type="text/javascript">
-    function checkall(value,seqid) {
+<script type="text/javascript" language="JavaScript">
+    function checkall(value,seqid,caller) {
+        if (caller == 'allproblems') {
+            if ((value == null ) || (value == '') || (value == undefined)) {
+                if (document.forms.$formname.allproblems.checked) {
+                    document.forms.$formname.noproblems.checked = false;
+                    value = true;
+                } else {
+                    return;
+                }
+            }
+        }
+        if (caller == 'noproblems') {
+            if ((value == null ) || (value == '') || (value == undefined)) {
+                if (document.forms.$formname.noproblems.checked) {
+                    document.forms.$formname.allproblems.checked = false;
+                    value = false;
+                } else {
+                    return; 
+                }
+            }
+        }
         for (i=0; i<document.forms.$formname.elements.length; i++) {
             ele = document.forms.$formname.elements[i];
             if (ele.name == '$inputname') {
-                if (seqid != null) {
+                if ((seqid != null) && (seqid != '') && (seqid != undefined)) {
                     itemid = document.forms.$formname.elements[i].id;
                     thing = itemid.split(':');
                     if (thing[0] == seqid) {
@@ -255,18 +278,33 @@ sub MultipleProblemSelector {
 </script>
 END
     $Str .= 
-        '<a href="javascript:checkall(true)">'.&mt('Select All').'</a>'.
+        '<label><input type="checkbox" name="allproblems" value="true" onclick="javascript:checkall('."'','','allproblems'".')" />'.&mt('Select All').'</label>'.
         ('&nbsp;'x4).
-        '<a href="javascript:checkall(false)">'.&mt('Unselect All').'</a>';
+        '<label><input type="checkbox" name="noproblems" value="true" onclick="javascript:checkall('."'','','noproblems'".')" />'.&mt('Unselect All').'</label>';
     $Str .= $/.'<table>'.$/;
-    my $iterator = $navmap->getIterator(undef, undef, undef, 1);
-    my $sequence_string;
+    my ($iterator,$sequence_string,@Accumulator);
     my $seq_id = 0;
-    my @Accumulator = (&new_accumulator($env{'course.'.$cid.'.description'},
-                                        '',
-                                        '',
-                                        $seq_id++,
-                                        $inputname));
+    if (&Apache::loncommon::needs_gci_custom()) {
+        my $cdom = $env{'course.'.$cid.'.domain'};
+        my $cnum = $env{'course.'.$cid.'.num'};
+        my $mapurl = "/uploaded/$cdom/$cnum/default_1261144274.sequence";
+        my $map = $navmap->getResourceByUrl($mapurl);
+        my $firstResource = $map->map_start();
+        my $lastResource = $map->map_finish();
+        $iterator = $navmap->getIterator($firstResource,$lastResource,sub { $_[0]->is_problem() },1);
+        @Accumulator = (&new_accumulator($map->compTitle,
+                                         $map->src,
+                                         $map->symb,
+                                         $seq_id++,
+                                         $inputname));
+    } else {
+        $iterator = $navmap->getIterator(undef, undef, undef, 1);
+        @Accumulator = (&new_accumulator($env{'course.'.$cid.'.description'},
+                                         '',
+                                         '',
+                                         $seq_id++,
+                                         $inputname));
+    }
     my @Sequence_Data;
     while (my $curRes = $iterator->next()) {
         if ($curRes == $iterator->END_MAP) {
@@ -285,9 +323,12 @@ END
                                                $seq_id++,
                                                $inputname));
         } elsif ($curRes->is_problem) {
+            my $is_selected;
+            if (($env{'form.allproblems'})  || (exists($selected->{$curRes->symb}))) {
+                $is_selected = 1;
+            }
             if (@Accumulator && $Accumulator[-1] ne '') {
-                &{$Accumulator[-1]}($curRes,
-                                    exists($selected->{$curRes->symb}));
+                &{$Accumulator[-1]}($curRes,$is_selected);
             }
         }
     }
@@ -319,15 +360,15 @@ sub new_accumulator {
                 $target.='<tr><td><label>'.
                     '<input type="checkbox" name="'.$inputname.'" ';
                 if ($checked) {
-                    $target .= 'checked ';
+                    $target .= 'checked="checked" ';
                 }
                 $target .= 'id="'.$seq_id.':'.$item_id++.'" ';
                 $target.= 
-                    'value="'.&Apache::lonnet::escape($res->symb).'" />'.
+                    'value="'.&escape($res->symb).'" />'.
                     '&nbsp;'.$res->compTitle.'</label>'.
                     ('&nbsp;'x2).'<a target="preview" '.
-                    'href="'.$res->src.'?symb='.
-                         &Apache::lonnet::escape($res->symb).'">view</a>'.
+                    'href="'.$res->link.'?symb='.
+                    &escape($res->shown_symb).'">'.&mt('view').'</a>'.
                     '</td></tr>'.$/;
             } else { 
                 if (defined($target)) {
@@ -346,7 +387,7 @@ sub get_selected_symbs {
     my ($inputfield) = @_;
     my $field = 'form.'.$inputfield;
     my @symbs = (map {
-                     &Apache::lonnet::unescape($_);
+                     &unescape($_);
                      } &Apache::loncommon::get_env_multiple($field));
     return @symbs;
 }
@@ -373,10 +414,10 @@ Used by Apache::lonstathelpers::ProblemS
 ####################################################
 sub make_target_id {
     my ($target) = @_;
-    my $id = &Apache::lonnet::escape($target->{'symb'}).':'.
-             &Apache::lonnet::escape($target->{'part'}).':'.
-             &Apache::lonnet::escape($target->{'respid'}).':'.
-             &Apache::lonnet::escape($target->{'resptype'});
+    my $id = &escape($target->{'symb'}).':'.
+             &escape($target->{'part'}).':'.
+             &escape($target->{'respid'}).':'.
+             &escape($target->{'resptype'});
     return $id;
 }
 
@@ -401,18 +442,18 @@ sub get_target_from_id {
     my ($id) = @_;
     if (! ref($id)) {
         my ($symb,$part,$respid,$resptype) = split(':',$id);
-        return ({ symb     => &Apache::lonnet::unescape($symb),
-                  part     => &Apache::lonnet::unescape($part),
-                  respid   => &Apache::lonnet::unescape($respid),
-                  resptype => &Apache::lonnet::unescape($resptype)});
+        return ({ symb     => &unescape($symb),
+                  part     => &unescape($part),
+                  respid   => &unescape($respid),
+                  resptype => &unescape($resptype)});
     } elsif (ref($id) eq 'ARRAY') {
         my @Return;
         foreach my $selected (@$id) {
             my ($symb,$part,$respid,$resptype) = split(':',$selected);
-            push(@Return,{ symb     => &Apache::lonnet::unescape($symb),
-                           part     => &Apache::lonnet::unescape($part),
-                           respid   => &Apache::lonnet::unescape($respid),
-                           resptype => &Apache::lonnet::unescape($resptype)});
+            push(@Return,{ symb     => &unescape($symb),
+                           part     => &unescape($part),
+                           respid   => &unescape($respid),
+                           resptype => &unescape($resptype)});
         }
         return \@Return;
     }
@@ -733,11 +774,16 @@ sub get_answer {
     my ($prefix,$key,%Answer) = @_;
     my $returnvalue;
     if (exists($Answer{$key})) {
-        my $student_answer = $Answer{$key}->[0];
-        if (! defined($student_answer)) {
-            $student_answer = $Answer{$key}->[1];
-        }
-        $returnvalue = $student_answer;
+	if (ref($Answer{$key}) eq 'HASH') {
+	    my $which = 'INTERNAL';
+	    if (!exists($Answer{$key}{$which})) {
+		$which = (sort(keys(%{ $Answer{$key} })))[0];
+	    }
+	    my $student_answer = $Answer{$key}{$which}[0][0];
+	    $returnvalue = $student_answer; 
+	} else {
+	    &Apache::lonnet::logthis("error analyzing problem. got a answer of type ".ref($Answer{$key}));
+	}
     } else {
         if (exists($Answer{$prefix.'.shown'})) {
             # The response has foils
@@ -795,7 +841,7 @@ sub load_analysis_cache {
         my $storedstring;
         my %cache_db;
         if (tie(%cache_db,'GDBM_File',$cache_filename,&GDBM_READER(),0640)) {
-            $storedstring = $cache_db{&Apache::lonnet::escape($symb)};
+            $storedstring = $cache_db{&escape($symb)};
             untie(%cache_db);
         }
         if (defined($storedstring)) {
@@ -847,7 +893,7 @@ Writes the in memory cache to disk so th
 sub write_analysis_cache {
     return if (! defined($current_symb) || ! defined($cache_filename));
     my %cache_db;
-    my $key = &Apache::lonnet::escape($current_symb);
+    my $key = &escape($current_symb);
     if (tie(%cache_db,'GDBM_File',$cache_filename,&GDBM_WRCREAT(),0640)) {
         my $storestring = freeze(\%cache);
         $cache_db{$key}=$storestring;
@@ -1247,7 +1293,7 @@ sub limit_by_time_form {
     my $enddateform = &Apache::lonhtmlcommon::date_setter
         ('Statistics','limitby_enddate',$endtime,undef,undef,$state);
     my $Str;
-    $Str .= '<script language="Javascript" >';
+    $Str .= '<script type="text/javascript" language="JavaScript">';
     $Str .= 'function toggle_limitby_activity(state) {';
     $Str .= '    if (state) {';
     $Str .= '        limitby_startdate_enable();';
@@ -1310,7 +1356,7 @@ sub manage_caches {
     my $sectionkey = 
         join(',',
              map {
-                     &Apache::lonnet::escape($_);
+                     &escape($_);
                  } sort(&Apache::lonstatistics::get_selected_sections())
              );
     my $statuskey = $Apache::lonstatistics::enrollment_status;
@@ -1412,7 +1458,7 @@ sub submission_report_form {
              ' enough input.');
     }
     my $html = $/.
-        '<script type="Text/JavaScript">'.
+        '<script type="text/javascript" language="JavaScript">'.
         "document.Statistics.reportSelected.value='$original_report';".
         '</script>'.
         '<input type="hidden" name="correctans" value="true" />'.