version 1.5, 2004/03/03 22:57:31
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version 1.45, 2005/03/21 19:47:54
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Line 40 routines that are needed across multiple
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Line 40 routines that are needed across multiple
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=head1 OVERVIEW |
=head1 OVERVIEW |
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=over 4 |
=over 4 |
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=cut |
=cut |
Line 59 use Apache::lonlocal;
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Line 58 use Apache::lonlocal;
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use HTML::Entities(); |
use HTML::Entities(); |
use Time::Local(); |
use Time::Local(); |
use Spreadsheet::WriteExcel(); |
use Spreadsheet::WriteExcel(); |
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use GDBM_File; |
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use Storable qw(freeze thaw); |
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#################################################### |
#################################################### |
#################################################### |
#################################################### |
Line 67 use Spreadsheet::WriteExcel();
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Line 68 use Spreadsheet::WriteExcel();
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=item &render_resource($resource) |
=item &render_resource($resource) |
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Input: a resource generated from |
Input: a navmaps resource |
&Apache::loncoursedata::get_sequence_assessment_data(). |
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Retunrs: a scalar containing html for a rendering of the problem |
Retunrs: a scalar containing html for a rendering of the problem |
within a table. |
within a table. |
Line 81 sub render_resource {
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Line 81 sub render_resource {
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my ($resource) = @_; |
my ($resource) = @_; |
## |
## |
## Render the problem |
## Render the problem |
my $base; |
my ($base) = ($resource->src =~ m|^(.*/)[^/]*$|); |
($base,undef) = ($resource->{'src'} =~ m|(.*/)[^/]*$|); |
$base="http://".$ENV{'SERVER_NAME'}.$base; |
$base = "http://".$ENV{'SERVER_NAME'}.$base; |
my ($src,$symb)=($resource->src,&Apache::lonnet::escape($resource->symb)); |
my $rendered_problem = |
my $rendered_problem = &Apache::lonnet::ssi_body($src.'?symb='.$symb); |
&Apache::lonnet::ssi_body($resource->{'src'}); |
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$rendered_problem =~ s/<\s*form\s*/<nop /g; |
$rendered_problem =~ s/<\s*form\s*/<nop /g; |
$rendered_problem =~ s|(<\s*/form\s*>)|<\/nop>|g; |
$rendered_problem =~ s|(<\s*/form\s*>)|<\/nop>|g; |
return '<table bgcolor="ffffff"><tr><td>'. |
return '<table bgcolor="ffffff"><tr><td>'. |
Line 99 sub render_resource {
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Line 98 sub render_resource {
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=pod |
=pod |
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=item &ProblemSelector($AcceptedResponseTypes) |
=item &get_resources |
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=cut |
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#################################################### |
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#################################################### |
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sub get_resources { |
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my ($navmap,$sequence) = @_; |
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my @resources = $navmap->retrieveResources($sequence, |
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sub { shift->is_problem(); }, |
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0,0,0); |
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return @resources; |
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} |
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#################################################### |
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#################################################### |
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=pod |
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=item &problem_selector($AcceptedResponseTypes) |
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Input: scalar containing regular expression which matches response |
Input: scalar containing regular expression which matches response |
types to show. '.' will yield all, '(option|radiobutton)' will match |
types to show. '.' will yield all, '(option|radiobutton)' will match |
Line 107 all option response and radiobutton prob
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Line 125 all option response and radiobutton prob
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Returns: A string containing html for a table which lists the sequences |
Returns: A string containing html for a table which lists the sequences |
and their contents. A radiobutton is provided for each problem. |
and their contents. A radiobutton is provided for each problem. |
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Skips 'survey' problems. |
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=cut |
=cut |
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#################################################### |
#################################################### |
#################################################### |
#################################################### |
sub ProblemSelector { |
sub problem_selector { |
my ($AcceptedResponseTypes) = @_; |
my ($AcceptedResponseTypes) = @_; |
my $Str; |
my $Str; |
$Str = "\n<table>\n"; |
$Str = "\n<table>\n"; |
foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { |
my $rb_count =0; |
next if ($seq->{'num_assess'}<1); |
my ($navmap,@sequences) = |
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&Apache::lonstatistics::selected_sequences_with_assessments('all'); |
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return $navmap if (! ref($navmap)); # error |
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foreach my $seq (@sequences) { |
my $seq_str = ''; |
my $seq_str = ''; |
foreach my $res (@{$seq->{'contents'}}) { |
foreach my $res (&get_resources($navmap,$seq)) { |
next if ($res->{'type'} ne 'assessment'); |
foreach my $part (@{$res->parts}) { |
foreach my $part (@{$res->{'parts'}}) { |
my @response_ids = $res->responseIds($part); |
my $partdata = $res->{'partdata'}->{$part}; |
my @response_types = $res->responseType($part); |
for (my $i=0;$i<scalar(@{$partdata->{'ResponseTypes'}});$i++){ |
for (my $i=0;$i<scalar(@response_types);$i++){ |
my $respid = $partdata->{'ResponseIds'}->[$i]; |
my $respid = $response_ids[$i]; |
my $resptype = $partdata->{'ResponseTypes'}->[$i]; |
my $resptype = $response_types[$i]; |
if ($resptype =~ m/$AcceptedResponseTypes/) { |
if ($resptype =~ m/$AcceptedResponseTypes/) { |
my $value = &make_target_id({symb=>$res->{'symb'}, |
my $value = &make_target_id({symb=>$res->symb, |
part=>$part, |
part=>$part, |
respid=>$respid, |
respid=>$respid, |
resptype=>$resptype}); |
resptype=>$resptype}); |
Line 135 sub ProblemSelector {
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Line 157 sub ProblemSelector {
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if ($ENV{'form.problemchoice'} eq $value) { |
if ($ENV{'form.problemchoice'} eq $value) { |
$checked = 'checked '; |
$checked = 'checked '; |
} |
} |
my $title = $res->{'title'}; |
my $title = $res->compTitle; |
if (! defined($title) || $title eq '') { |
if (! defined($title) || $title eq '') { |
($title) = ($res->{'src'} =~ m:/([^/]*)$:); |
($title) = ($res->src =~ m:/([^/]*)$:); |
} |
} |
$seq_str .= '<tr><td>'. |
$seq_str .= '<tr>'. |
'<input type="radio" name="problemchoice" value="'.$value.'" '.$checked.'/>'. |
qq{<td><input type="radio" id="$rb_count" name="problemchoice" value="$value" $checked /></td>}. |
'</td><td>'. |
'<td><label for="'.$rb_count.'">'.$resptype.'</label></td>'. |
$resptype.'</td><td>'. |
'<td><label for="'.$rb_count.'">'.$title.'</label>'; |
'<a href="'.$res->{'src'}.'">'.$title.'</a> '; |
if (scalar(@response_ids) > 1) { |
# '<a href="'.$res->{'src'}.'">'.$resptype.' '.$res->{'title'}.'</a> '; |
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if (scalar(@{$partdata->{'ResponseIds'}}) > 1) { |
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$seq_str .= &mt('response').' '.$respid; |
$seq_str .= &mt('response').' '.$respid; |
} |
} |
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my $link = $res->src.'?symb='. |
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&Apache::lonnet::escape($res->symb); |
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$seq_str .= (' 'x2). |
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qq{<a target="preview" href="$link">view</a>}; |
$seq_str .= "</td></tr>\n"; |
$seq_str .= "</td></tr>\n"; |
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$rb_count++; |
} |
} |
} |
} |
} |
} |
} |
} |
if ($seq_str ne '') { |
if ($seq_str ne '') { |
$Str .= '<tr><td> </td><td colspan="2"><b>'.$seq->{'title'}.'</b></td>'. |
$Str .= '<tr><td> </td><td colspan="2"><b>'.$seq->compTitle.'</b></td>'. |
"</tr>\n".$seq_str; |
"</tr>\n".$seq_str; |
} |
} |
} |
} |
Line 167 sub ProblemSelector {
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Line 192 sub ProblemSelector {
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=pod |
=pod |
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=item &MultipleProblemSelector($navmap,$selected,$inputname) |
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Generate HTML with checkboxes for problem selection. |
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Input: |
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$navmap: a navmap object. If undef, navmaps will be called to create a |
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new object. |
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$selected: Scalar, Array, or hash reference of currently selected items. |
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$inputname: The name of the form elements to use for the checkboxs. |
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Returns: A string containing html for a table which lists the sequences |
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and their contents. A checkbox is provided for each problem. |
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=cut |
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#################################################### |
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#################################################### |
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sub MultipleProblemSelector { |
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my ($navmap,$inputname,$formname)=@_; |
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my $cid = $ENV{'request.course.id'}; |
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my $Str; |
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# Massage the input as needed. |
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if (! defined($navmap)) { |
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$navmap = Apache::lonnavmaps::navmap->new(); |
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if (! defined($navmap)) { |
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$Str .= |
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'<h1>'.&mt('Error: cannot process course structure').'</h1>'; |
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return $Str; |
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} |
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} |
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my $selected = {map { ($_,1) } (&get_selected_symbs($inputname))}; |
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# Header |
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$Str .= <<"END"; |
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<script language="JavaScript" type="text/javascript"> |
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function checkall(value,seqid) { |
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for (i=0; i<document.forms.$formname.elements.length; i++) { |
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ele = document.forms.$formname.elements[i]; |
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if (ele.name == '$inputname') { |
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if (seqid != null) { |
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itemid = document.forms.$formname.elements[i].id; |
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thing = itemid.split(':'); |
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if (thing[0] == seqid) { |
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document.forms.$formname.elements[i].checked=value; |
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} |
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} else { |
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document.forms.$formname.elements[i].checked=value; |
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} |
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} |
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} |
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} |
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</script> |
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END |
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$Str .= |
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'<a href="javascript:checkall(true)">'.&mt('Select All').'</a>'. |
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(' 'x4). |
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'<a href="javascript:checkall(false)">'.&mt('Unselect All').'</a>'; |
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$Str .= $/.'<table>'.$/; |
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my $iterator = $navmap->getIterator(undef, undef, undef, 1); |
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my $sequence_string; |
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my $seq_id = 0; |
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my @Accumulator = (&new_accumulator($ENV{'course.'.$cid.'.description'}, |
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'', |
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'', |
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$seq_id++, |
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$inputname)); |
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my @Sequence_Data; |
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while (my $curRes = $iterator->next()) { |
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if ($curRes == $iterator->END_MAP) { |
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if (ref($Accumulator[-1]) eq 'CODE') { |
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my $old_accumulator = pop(@Accumulator); |
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push(@Sequence_Data,&{$old_accumulator}()); |
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} |
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} elsif ($curRes == $iterator->BEGIN_MAP) { |
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# Not much to do here. |
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} |
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next if (! ref($curRes)); |
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if ($curRes->is_map) { |
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push(@Accumulator,&new_accumulator($curRes->compTitle, |
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$curRes->src, |
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$curRes->symb, |
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$seq_id++, |
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$inputname)); |
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} elsif ($curRes->is_problem) { |
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if (@Accumulator && $Accumulator[-1] ne '') { |
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&{$Accumulator[-1]}($curRes, |
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exists($selected->{$curRes->symb})); |
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} |
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} |
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} |
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my $course_seq = pop(@Sequence_Data); |
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foreach my $seq ($course_seq,@Sequence_Data) { |
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#my $seq = pop(@Sequence_Data); |
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next if (! defined($seq) || ref($seq) ne 'HASH'); |
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$Str.= '<tr><td colspan="2">'. |
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'<b>'.$seq->{'title'}.'</b>'.(' 'x2). |
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'<a href="javascript:checkall(true,'.$seq->{'id'}.')">'. |
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&mt('Select').'</a>'.(' 'x2). |
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'<a href="javascript:checkall(false,'.$seq->{'id'}.')">'. |
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&mt('Unselect').'</a>'.(' 'x2). |
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'</td></tr>'.$/; |
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$Str.= $seq->{'html'}; |
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} |
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$Str .= '</table>'.$/; |
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return $Str; |
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} |
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sub new_accumulator { |
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my ($title,$src,$symb,$seq_id,$inputname) = @_; |
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my $target; |
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my $item_id=0; |
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return |
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sub { |
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if (@_) { |
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my ($res,$checked) = @_; |
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$target.='<tr><td><label>'. |
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'<input type="checkbox" name="'.$inputname.'" '; |
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if ($checked) { |
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$target .= 'checked '; |
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} |
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$target .= 'id="'.$seq_id.':'.$item_id++.'" '; |
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$target.= |
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'value="'.&Apache::lonnet::escape($res->symb).'" />'. |
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' '.$res->compTitle.'</label>'. |
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(' 'x2).'<a target="preview" '. |
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'href="'.$res->src.'?symb='. |
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&Apache::lonnet::escape($res->symb).'">view</a>'. |
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'</td></tr>'.$/; |
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} else { |
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if (defined($target)) { |
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return { title => $title, |
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symb => $symb, |
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src => $src, |
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id => $seq_id, |
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html => $target, }; |
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} |
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return undef; |
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} |
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}; |
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} |
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sub get_selected_symbs { |
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my ($inputfield) = @_; |
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my $field = 'form.'.$inputfield; |
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my @Symbs; |
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if (exists($ENV{$field})) { |
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if (! ref($ENV{$field})) { |
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@Symbs = (&Apache::lonnet::unescape($ENV{$field})); |
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} else { |
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@Symbs = (map {&Apache::lonnet::unescape($_);} @{$ENV{$field}}); |
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} |
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} |
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return @Symbs; |
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} |
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#################################################### |
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#################################################### |
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=pod |
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=item &make_target_id($target) |
=item &make_target_id($target) |
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Inputs: Hash ref with the following entries: |
Inputs: Hash ref with the following entries: |
Line 210 Returns: A hash reference, $target, cont
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Line 397 Returns: A hash reference, $target, cont
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#################################################### |
#################################################### |
sub get_target_from_id { |
sub get_target_from_id { |
my ($id) = @_; |
my ($id) = @_; |
my ($symb,$part,$respid,$resptype) = split(':',$id); |
if (! ref($id)) { |
return ({ symb =>&Apache::lonnet::unescape($symb), |
my ($symb,$part,$respid,$resptype) = split(':',$id); |
part =>&Apache::lonnet::unescape($part), |
return ({ symb => &Apache::lonnet::unescape($symb), |
respid =>&Apache::lonnet::unescape($respid), |
part => &Apache::lonnet::unescape($part), |
resptype =>&Apache::lonnet::unescape($resptype)}); |
respid => &Apache::lonnet::unescape($respid), |
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resptype => &Apache::lonnet::unescape($resptype)}); |
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} elsif (ref($id) eq 'ARRAY') { |
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my @Return; |
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foreach my $selected (@$id) { |
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my ($symb,$part,$respid,$resptype) = split(':',$selected); |
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push(@Return,{ symb => &Apache::lonnet::unescape($symb), |
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part => &Apache::lonnet::unescape($part), |
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respid => &Apache::lonnet::unescape($respid), |
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resptype => &Apache::lonnet::unescape($resptype)}); |
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} |
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return \@Return; |
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} |
} |
} |
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#################################################### |
#################################################### |
Line 222 sub get_target_from_id {
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Line 421 sub get_target_from_id {
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=pod |
=pod |
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=item &get_prev_curr_next($target) |
=item &get_prev_curr_next($target,$AcceptableResponseTypes,$granularity) |
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Determine the problem parts or responses preceeding and following the |
Determine the problem parts or responses preceeding and following the |
current resource. |
current resource. |
Line 230 current resource.
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Line 429 current resource.
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Inputs: $target (see &Apache::lonstathelpers::get_target_from_id()) |
Inputs: $target (see &Apache::lonstathelpers::get_target_from_id()) |
$AcceptableResponseTypes, regular expression matching acceptable |
$AcceptableResponseTypes, regular expression matching acceptable |
response types, |
response types, |
$granularity, either 'part' or 'response' |
$granularity, either 'part', 'response', or 'part_survey' |
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Returns: three hash references, $prev, $curr, $next, which refer to the |
Returns: three hash references, $prev, $curr, $next, which refer to the |
preceeding, current, or following problem parts or responses, depending |
preceeding, current, or following problem parts or responses, depending |
Line 253 sub get_prev_curr_next {
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Line 452 sub get_prev_curr_next {
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# |
# |
# Build an array with the data we need to search through |
# Build an array with the data we need to search through |
my @Resource; |
my @Resource; |
foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { |
my ($navmap,@sequences) = |
foreach my $res (@{$seq->{'contents'}}) { |
&Apache::lonstatistics::selected_sequences_with_assessments('all'); |
next if ($res->{'type'} ne 'assessment'); |
return $navmap if (! ref($navmap)); |
foreach my $part (@{$res->{'parts'}}) { |
foreach my $seq (@sequences) { |
my $partdata = $res->{'partdata'}->{$part}; |
my @resources = &get_resources($navmap,$seq); |
if ($granularity eq 'part') { |
foreach my $res (@resources) { |
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foreach my $part (@{$res->parts}) { |
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if ($res->is_survey($part) && ($granularity eq 'part_survey')){ |
push (@Resource, |
push (@Resource, |
{ symb => $res->{symb}, |
{ symb => $res->symb, |
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part => $part, |
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resource => $res, |
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} ); |
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} elsif ($granularity eq 'part') { |
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push (@Resource, |
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{ symb => $res->symb, |
part => $part, |
part => $part, |
resource => $res, |
resource => $res, |
} ); |
} ); |
} elsif ($granularity eq 'response') { |
} elsif ($granularity eq 'response') { |
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my @response_ids = $res->responseIds($part); |
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my @response_types = $res->responseType($part); |
for (my $i=0; |
for (my $i=0; |
$i<scalar(@{$partdata->{'ResponseTypes'}}); |
$i<scalar(@response_ids); |
$i++){ |
$i++){ |
my $respid = $partdata->{'ResponseIds'}->[$i]; |
my $respid = $response_ids[$i]; |
my $resptype = $partdata->{'ResponseTypes'}->[$i]; |
my $resptype = $response_types[$i]; |
next if ($resptype !~ m/$AcceptableResponseTypes/); |
next if ($resptype !~ m/$AcceptableResponseTypes/); |
push (@Resource, |
push (@Resource, |
{ symb => $res->{symb}, |
{ symb => $res->symb, |
part => $part, |
part => $part, |
respid => $partdata->{'ResponseIds'}->[$i], |
respid => $respid, |
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resptype => $resptype, |
resource => $res, |
resource => $res, |
resptype => $resptype |
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} ); |
} ); |
} |
} |
} |
} |
Line 288 sub get_prev_curr_next {
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Line 497 sub get_prev_curr_next {
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my $curr_idx; |
my $curr_idx; |
for ($curr_idx=0;$curr_idx<$#Resource;$curr_idx++) { |
for ($curr_idx=0;$curr_idx<$#Resource;$curr_idx++) { |
my $curr_item = $Resource[$curr_idx]; |
my $curr_item = $Resource[$curr_idx]; |
if ($granularity eq 'part') { |
if ($granularity eq 'part' || $granularity eq 'part_survey') { |
if ($curr_item->{'symb'} eq $target->{'symb'} && |
if ($curr_item->{'symb'} eq $target->{'symb'} && |
$curr_item->{'part'} eq $target->{'part'}) { |
$curr_item->{'part'} eq $target->{'part'}) { |
last; |
last; |
Line 303 sub get_prev_curr_next {
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Line 512 sub get_prev_curr_next {
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} |
} |
} |
} |
my $curr_item = $Resource[$curr_idx]; |
my $curr_item = $Resource[$curr_idx]; |
if ($granularity eq 'part') { |
if ($granularity eq 'part' || $granularity eq 'part_survey') { |
if ($curr_item->{'symb'} ne $target->{'symb'} || |
if ($curr_item->{'symb'} ne $target->{'symb'} || |
$curr_item->{'part'} ne $target->{'part'}) { |
$curr_item->{'part'} ne $target->{'part'}) { |
# bogus symb - return nothing |
# bogus symb - return nothing |
Line 334 sub get_prev_curr_next {
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Line 543 sub get_prev_curr_next {
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$curr = $Resource[$curr_idx ]; |
$curr = $Resource[$curr_idx ]; |
$next = $Resource[$curr_idx+1]; |
$next = $Resource[$curr_idx+1]; |
} |
} |
return ($prev,$curr,$next); |
return ($navmap,$prev,$curr,$next); |
} |
} |
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Line 343 sub get_prev_curr_next {
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Line 552 sub get_prev_curr_next {
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=pod |
=pod |
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=item GetStudentAnswers($r,$problem,$Students) |
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Determines the correct answer for a set of students on a given problem. |
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The students answers are stored in the student hashes pointed to by the |
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array @$Students under the key 'answer'. |
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Inputs: $r |
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$problem: hash reference containing the keys 'resource', 'part', and 'respid'. |
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$Students: reference to array containing student hashes (need 'username', |
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'domain'). |
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Returns: nothing |
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=cut |
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##################################################### |
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##################################################### |
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sub GetStudentAnswers { |
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my ($r,$problem,$Students,$formname,$inputname) = @_; |
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my %answers; |
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my $status_type; |
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if (defined($formname)) { |
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$status_type = 'inline'; |
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} else { |
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$status_type = 'popup'; |
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} |
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my $c = $r->connection(); |
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my %Answers; |
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my ($resource,$partid,$respid) = ($problem->{'resource'}, |
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$problem->{'part'}, |
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$problem->{'respid'}); |
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# Read in the cache (if it exists) before we start timing things. |
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&Apache::lonstathelpers::ensure_proper_cache($resource->{'symb'}); |
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# Open progress window |
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my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin |
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($r,'Student Answer Compilation Status', |
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'Student Answer Compilation Progress', scalar(@$Students), |
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$status_type,undef,$formname,$inputname); |
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$r->rflush(); |
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foreach my $student (@$Students) { |
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last if ($c->aborted()); |
|
my $sname = $student->{'username'}; |
|
my $sdom = $student->{'domain'}; |
|
my $answer = &Apache::lonstathelpers::get_student_answer |
|
($resource,$sname,$sdom,$partid,$respid); |
|
&Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, |
|
&mt('last student')); |
|
$answers{$answer}++; |
|
$student->{'answer'} = $answer; |
|
} |
|
&Apache::lonstathelpers::write_analysis_cache(); |
|
return if ($c->aborted()); |
|
$r->rflush(); |
|
# close progress window |
|
&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); |
|
return \%answers; |
|
} |
|
|
|
##################################################### |
|
##################################################### |
|
|
|
=pod |
|
|
=item analyze_problem_as_student |
=item analyze_problem_as_student |
|
|
Analyzes a homework problem for a student and returns the correct answer |
Analyzes a homework problem for a student |
for the student. Attempts to put together an answer for problem types |
|
that do not natively support it. |
|
|
|
Inputs: $resource: a resource object |
Inputs: $resource: a resource object |
$sname, $sdom, $partid, $respid |
$sname, $sdom, $partid, $respid |
|
|
Returns: $answer |
Returns: the problem analysis hash |
|
|
=cut |
=cut |
|
|
##################################################### |
##################################################### |
##################################################### |
##################################################### |
sub analyze_problem_as_student { |
sub analyze_problem_as_student { |
my ($resource,$sname,$sdom,$partid,$respid) = @_; |
my ($resource,$sname,$sdom) = @_; |
my $returnvalue; |
if (ref($resource) ne 'HASH') { |
|
my $res = $resource; |
|
$resource = { 'src' => $res->src, |
|
'symb' => $res->symb, |
|
'parts' => $res->parts }; |
|
foreach my $part (@{$resource->{'parts'}}) { |
|
$resource->{'partdata'}->{$part}->{'ResponseIds'}= |
|
[$res->responseIds($part)]; |
|
} |
|
} |
my $url = $resource->{'src'}; |
my $url = $resource->{'src'}; |
my $symb = $resource->{'symb'}; |
my $symb = $resource->{'symb'}; |
my $courseid = $ENV{'request.course.id'}; |
my $analysis = &get_from_analysis_cache($sname,$sdom,$symb); |
my $Answ=&Apache::lonnet::ssi($url,('grade_target' => 'analyze', |
if (! defined($analysis)) { |
'grade_domain' => $sdom, |
my $courseid = $ENV{'request.course.id'}; |
'grade_username' => $sname, |
my $Answ=&Apache::lonnet::ssi($url,('grade_target' => 'analyze', |
'grade_symb' => $symb, |
'grade_domain' => $sdom, |
'grade_courseid' => $courseid)); |
'grade_username' => $sname, |
(my $garbage,$Answ)=split(/_HASH_REF__/,$Answ,2); |
'grade_symb' => $symb, |
my %Answer=&Apache::lonnet::str2hash($Answ); |
'grade_courseid' => $courseid)); |
my $prefix = $partid.'.'.$respid; |
(my $garbage,$analysis)=split(/_HASH_REF__/,$Answ,2); |
my $key = $prefix.'.answer'; |
&store_analysis($sname,$sdom,$symb,$analysis); |
|
} |
|
my %Answer=&Apache::lonnet::str2hash($analysis); |
|
# |
|
return \%Answer; |
|
} |
|
|
|
##################################################### |
|
##################################################### |
|
|
|
=pod |
|
|
|
=item get_student_answer |
|
|
|
Analyzes a homework problem for a particular student and returns the correct |
|
answer. Attempts to put together an answer for problem types |
|
that do not natively support it. |
|
|
|
Inputs: $resource: a resource object (from navmaps or hash from loncoursedata) |
|
$sname, $sdom, $partid, $respid |
|
|
|
Returns: $answer |
|
|
|
If $partid and $respid are specified, $answer is simply a scalar containing |
|
the correct answer for the response. |
|
|
|
If $partid or $respid are undefined, $answer will be a hash reference with |
|
keys $partid.'.'.$respid.'.answer'. |
|
|
|
=cut |
|
|
|
##################################################### |
|
##################################################### |
|
sub get_student_answer { |
|
my ($resource,$sname,$sdom,$partid,$respid) = @_; |
|
# |
|
if (ref($resource) ne 'HASH') { |
|
my $res = $resource; |
|
$resource = { 'src' => $res->src, |
|
'symb' => $res->symb, |
|
'parts' => $res->parts }; |
|
foreach my $part (@{$resource->{'parts'}}) { |
|
$resource->{'partdata'}->{$part}->{'ResponseIds'}= |
|
[$res->responseIds($part)]; |
|
} |
|
} |
|
# |
|
my $analysis = |
|
&analyze_problem_as_student($resource,$sname,$sdom); |
|
my $answer; |
|
foreach my $partid (@{$resource->{'parts'}}) { |
|
my $partdata = $resource->{'partdata'}->{$partid}; |
|
foreach my $respid (@{$partdata->{'ResponseIds'}}) { |
|
my $prefix = $partid.'.'.$respid; |
|
my $key = $prefix.'.answer'; |
|
$answer->{$partid}->{$respid} = |
|
&get_answer($prefix,$key,%$analysis); |
|
} |
|
} |
|
my $returnvalue; |
|
if (! defined($partid)) { |
|
$returnvalue = $answer; |
|
} elsif (! defined($respid)) { |
|
$returnvalue = $answer->{$partid}; |
|
} else { |
|
$returnvalue = $answer->{$partid}->{$respid}; |
|
} |
|
return $returnvalue; |
|
} |
|
|
|
sub get_answer { |
|
my ($prefix,$key,%Answer) = @_; |
|
my $returnvalue; |
if (exists($Answer{$key})) { |
if (exists($Answer{$key})) { |
my $student_answer = $Answer{$key}->[0]; |
my $student_answer = $Answer{$key}->[0]; |
if (! defined($student_answer)) { |
if (! defined($student_answer)) { |
Line 390 sub analyze_problem_as_student {
|
Line 741 sub analyze_problem_as_student {
|
} |
} |
foreach my $foil (@{$Answer{$prefix.'.shown'}}) { |
foreach my $foil (@{$Answer{$prefix.'.shown'}}) { |
if (ref($values{$foil}) eq 'ARRAY') { |
if (ref($values{$foil}) eq 'ARRAY') { |
$returnvalue.=&HTML::Entities::encode($foil).'='. |
$returnvalue.=&HTML::Entities::encode($foil,'<>&"').'='. |
join(',',map {&HTML::Entities::encode($_)} @{$values{$foil}}).'&'; |
join(',',map {&HTML::Entities::encode($_,'<>&"')} @{$values{$foil}}).'&'; |
} else { |
} else { |
$returnvalue.=&HTML::Entities::encode($foil).'='. |
$returnvalue.=&HTML::Entities::encode($foil,'<>&"').'='. |
&HTML::Entities::encode($values{$foil}).'&'; |
&HTML::Entities::encode($values{$foil},'<>&"').'&'; |
} |
} |
} |
} |
$returnvalue =~ s/ /\%20/g; |
$returnvalue =~ s/ /\%20/g; |
Line 404 sub analyze_problem_as_student {
|
Line 755 sub analyze_problem_as_student {
|
return $returnvalue; |
return $returnvalue; |
} |
} |
|
|
|
##################################################### |
|
##################################################### |
|
|
|
=pod |
|
|
|
=item Caching routines |
|
|
|
=over 4 |
|
|
|
=item &load_analysis_cache($symb) |
|
|
|
Loads the cache for the given symb into memory from disk. |
|
Requires the cache filename be set. |
|
Only should be called by &ensure_proper_cache. |
|
|
|
=cut |
|
|
|
##################################################### |
|
##################################################### |
|
{ |
|
my $cache_filename = undef; |
|
my $current_symb = undef; |
|
my %cache; |
|
|
|
sub load_analysis_cache { |
|
my ($symb) = @_; |
|
return if (! defined($cache_filename)); |
|
if (! defined($current_symb) || $current_symb ne $symb) { |
|
undef(%cache); |
|
my $storedstring; |
|
my %cache_db; |
|
if (tie(%cache_db,'GDBM_File',$cache_filename,&GDBM_READER(),0640)) { |
|
$storedstring = $cache_db{&Apache::lonnet::escape($symb)}; |
|
untie(%cache_db); |
|
} |
|
if (defined($storedstring)) { |
|
%cache = %{thaw($storedstring)}; |
|
} |
|
} |
|
return; |
|
} |
|
|
|
##################################################### |
|
##################################################### |
|
|
|
=pod |
|
|
|
=item &get_from_analysis_cache($sname,$sdom,$symb,$partid,$respid) |
|
|
|
Returns the appropriate data from the cache, or undef if no data exists. |
|
|
|
=cut |
|
|
|
##################################################### |
|
##################################################### |
|
sub get_from_analysis_cache { |
|
my ($sname,$sdom,$symb) = @_; |
|
&ensure_proper_cache($symb); |
|
my $returnvalue; |
|
if (exists($cache{$sname.':'.$sdom})) { |
|
$returnvalue = $cache{$sname.':'.$sdom}; |
|
} else { |
|
$returnvalue = undef; |
|
} |
|
return $returnvalue; |
|
} |
|
|
|
##################################################### |
|
##################################################### |
|
|
|
=pod |
|
|
|
=item &write_analysis_cache($symb) |
|
|
|
Writes the in memory cache to disk so that it can be read in with |
|
&load_analysis_cache($symb). |
|
|
|
=cut |
|
|
|
##################################################### |
|
##################################################### |
|
sub write_analysis_cache { |
|
return if (! defined($current_symb) || ! defined($cache_filename)); |
|
my %cache_db; |
|
my $key = &Apache::lonnet::escape($current_symb); |
|
if (tie(%cache_db,'GDBM_File',$cache_filename,&GDBM_WRCREAT(),0640)) { |
|
my $storestring = freeze(\%cache); |
|
$cache_db{$key}=$storestring; |
|
$cache_db{$key.'.time'}=time; |
|
untie(%cache_db); |
|
} |
|
undef(%cache); |
|
undef($current_symb); |
|
undef($cache_filename); |
|
return; |
|
} |
|
|
|
##################################################### |
|
##################################################### |
|
|
|
=pod |
|
|
|
=item &ensure_proper_cache($symb) |
|
|
|
Called to make sure we have the proper cache set up. This is called |
|
prior to every analysis lookup. |
|
|
|
=cut |
|
|
|
##################################################### |
|
##################################################### |
|
sub ensure_proper_cache { |
|
my ($symb) = @_; |
|
my $cid = $ENV{'request.course.id'}; |
|
my $new_filename = '/home/httpd/perl/tmp/'. |
|
'problemanalysis_'.$cid.'_analysis_cache.db'; |
|
if (! defined($cache_filename) || |
|
$cache_filename ne $new_filename || |
|
! defined($current_symb) || |
|
$current_symb ne $symb) { |
|
$cache_filename = $new_filename; |
|
# Notice: $current_symb is not set to $symb until after the cache is |
|
# loaded. This is what tells &load_analysis_cache to load in a new |
|
# symb cache. |
|
&load_analysis_cache($symb); |
|
$current_symb = $symb; |
|
} |
|
} |
|
|
|
##################################################### |
|
##################################################### |
|
|
|
=pod |
|
|
|
=item &store_analysis($sname,$sdom,$symb,$partid,$respid,$dataset) |
|
|
|
Stores the analysis data in the in memory cache. |
|
|
|
=cut |
|
|
|
##################################################### |
|
##################################################### |
|
sub store_analysis { |
|
my ($sname,$sdom,$symb,$dataset) = @_; |
|
return if ($symb ne $current_symb); |
|
$cache{$sname.':'.$sdom}=$dataset; |
|
return; |
|
} |
|
|
|
} |
|
##################################################### |
|
##################################################### |
|
|
|
=pod |
|
|
|
=back |
|
|
|
=cut |
|
|
|
##################################################### |
|
##################################################### |
|
|
## |
## |
## The following is copied from datecalc1.pl, part of the |
## The following is copied from datecalc1.pl, part of the |
Line 612 sub get_problem_data {
|
Line 1124 sub get_problem_data {
|
while (my($key,$value) = each(%Answer)) { |
while (my($key,$value) = each(%Answer)) { |
# |
# |
# Logging code: |
# Logging code: |
if (1) { |
if (0) { |
&Apache::lonnet::logthis($part.' got key "'.$key.'"'); |
&Apache::lonnet::logthis($part.' got key "'.$key.'"'); |
if (ref($value) eq 'ARRAY') { |
if (ref($value) eq 'ARRAY') { |
&Apache::lonnet::logthis(' @'.join(',',@$value)); |
&Apache::lonnet::logthis(' @'.join(',',@$value)); |
Line 628 sub get_problem_data {
|
Line 1140 sub get_problem_data {
|
$Partdata{$part}->{'_Options'}=$value; |
$Partdata{$part}->{'_Options'}=$value; |
} elsif ($key eq 'concepts') { |
} elsif ($key eq 'concepts') { |
$Partdata{$part}->{'_Concepts'}=$value; |
$Partdata{$part}->{'_Concepts'}=$value; |
|
} elsif ($key eq 'items') { |
|
$Partdata{$part}->{'_Items'}=$value; |
} elsif ($key =~ /^concept\.(.*)$/) { |
} elsif ($key =~ /^concept\.(.*)$/) { |
my $concept = $1; |
my $concept = $1; |
foreach my $foil (@$value) { |
foreach my $foil (@$value) { |
$Partdata{$part}->{'_Foils'}->{$foil}->{'_Concept'}= |
$Partdata{$part}->{'_Foils'}->{$foil}->{'_Concept'}= |
$concept; |
$concept; |
} |
} |
} elsif ($key =~ /^(incorrect|answer|ans_low|ans_high)$/) { |
} elsif ($key =~ /^(unit|incorrect|answer|ans_low|ans_high|str_type)$/) { |
$Partdata{$part}->{$key}=$value; |
$Partdata{$part}->{$key}=$value; |
} |
} |
} else { |
} else { |
Line 646 sub get_problem_data {
|
Line 1160 sub get_problem_data {
|
} elsif ($key =~ /^foil\.value\.(.*)$/) { |
} elsif ($key =~ /^foil\.value\.(.*)$/) { |
my $foil = $1; |
my $foil = $1; |
$Partdata{$part}->{'_Foils'}->{$foil}->{'value'}=$value; |
$Partdata{$part}->{'_Foils'}->{$foil}->{'value'}=$value; |
|
} elsif ($key eq 'answercomputed') { |
|
$Partdata{$part}->{'answercomputed'} = $value; |
} |
} |
} |
} |
} |
} |
} |
} |
|
# Further debugging code |
|
if (0) { |
|
&Apache::lonnet::logthis('lonstathelpers::get_problem_data'); |
|
&log_hash_ref(\%Partdata); |
|
} |
return %Partdata; |
return %Partdata; |
} |
} |
|
|
|
sub log_array_ref { |
|
my ($arrayref,$prefix) = @_; |
|
return if (ref($arrayref) ne 'ARRAY'); |
|
if (! defined($prefix)) { $prefix = ''; }; |
|
foreach my $v (@$arrayref) { |
|
if (ref($v) eq 'ARRAY') { |
|
&log_array_ref($v,$prefix.' '); |
|
} elsif (ref($v) eq 'HASH') { |
|
&log_hash_ref($v,$prefix.' '); |
|
} else { |
|
&Apache::lonnet::logthis($prefix.'"'.$v.'"'); |
|
} |
|
} |
|
} |
|
|
|
sub log_hash_ref { |
|
my ($hashref,$prefix) = @_; |
|
return if (ref($hashref) ne 'HASH'); |
|
if (! defined($prefix)) { $prefix = ''; }; |
|
while (my ($k,$v) = each(%$hashref)) { |
|
if (ref($v) eq 'ARRAY') { |
|
&Apache::lonnet::logthis($prefix.'"'.$k.'" = array'); |
|
&log_array_ref($v,$prefix.' '); |
|
} elsif (ref($v) eq 'HASH') { |
|
&Apache::lonnet::logthis($prefix.'"'.$k.'" = hash'); |
|
&log_hash_ref($v,$prefix.' '); |
|
} else { |
|
&Apache::lonnet::logthis($prefix.'"'.$k.'" => "'.$v.'"'); |
|
} |
|
} |
|
} |
#################################################### |
#################################################### |
#################################################### |
#################################################### |
|
|
Line 730 sub get_time_limits {
|
Line 1282 sub get_time_limits {
|
} |
} |
|
|
#################################################### |
#################################################### |
|
#################################################### |
|
|
|
=pod |
|
|
|
=item &manage_caches |
|
|
|
Inputs: $r, apache request object |
|
|
|
Returns: An array of scalars containing html for buttons. |
|
|
|
=cut |
|
|
|
#################################################### |
|
#################################################### |
|
sub manage_caches { |
|
my ($r,$formname,$inputname,$update_message) = @_; |
|
&Apache::loncoursedata::clear_internal_caches(); |
|
my $sectionkey = |
|
join(',', |
|
map { |
|
&Apache::lonnet::escape($_); |
|
} sort(&Apache::lonstatistics::get_selected_sections()) |
|
); |
|
my $statuskey = $Apache::lonstatistics::enrollment_status; |
|
if (exists($ENV{'form.ClearCache'}) || |
|
exists($ENV{'form.updatecaches'}) || |
|
(exists($ENV{'form.firstrun'}) && $ENV{'form.firstrun'} ne 'no') || |
|
(exists($ENV{'form.prevsection'}) && |
|
$ENV{'form.prevsection'} ne $sectionkey) || |
|
(exists($ENV{'form.prevenrollstatus'}) && |
|
$ENV{'form.prevenrollstatus'} ne $statuskey) |
|
) { |
|
if (defined($update_message)) { |
|
$r->print($update_message); |
|
} |
|
if (0) { |
|
&Apache::lonnet::logthis('Updating mysql student data caches'); |
|
} |
|
&gather_full_student_data($r,$formname,$inputname); |
|
} |
|
# |
|
my @Buttons = |
|
('<input type="submit" name="ClearCache" '. |
|
'value="'.&mt('Clear Caches').'" />', |
|
'<input type="submit" name="updatecaches" '. |
|
'value="'.&mt('Update Caches').'" />'. |
|
&Apache::loncommon::help_open_topic('Statistics_Cache'), |
|
'<input type="hidden" name="prevsection" value="'.$sectionkey.'" />', |
|
'<input type="hidden" name="prevenrollstatus" value="'.$statuskey.'" />' |
|
); |
|
# |
|
if (! exists($ENV{'form.firstrun'})) { |
|
$r->print('<input type="hidden" name="firstrun" value="yes" />'); |
|
} else { |
|
$r->print('<input type="hidden" name="firstrun" value="no" />'); |
|
} |
|
# |
|
return @Buttons; |
|
} |
|
|
|
sub gather_full_student_data { |
|
my ($r,$formname,$inputname) = @_; |
|
my $status_type; |
|
if (defined($formname)) { |
|
$status_type = 'inline'; |
|
} else { |
|
$status_type = 'popup'; |
|
} |
|
my $c = $r->connection(); |
|
# |
|
&Apache::loncoursedata::clear_internal_caches(); |
|
# |
|
my @Students = @Apache::lonstatistics::Students; |
|
# |
|
# Open the progress window |
|
my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin |
|
($r,&mt('Student Data Compilation Status'), |
|
&mt('Student Data Compilation Progress'), scalar(@Students), |
|
$status_type,undef,$formname,$inputname); |
|
# |
|
while (my $student = shift @Students) { |
|
return if ($c->aborted()); |
|
my $status = &Apache::loncoursedata::ensure_current_full_data |
|
($student->{'username'},$student->{'domain'}, |
|
$ENV{'request.course.id'}); |
|
&Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, |
|
&mt('last student')); |
|
} |
|
&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); |
|
$r->rflush(); |
|
return; |
|
} |
|
|
|
#################################################### |
|
#################################################### |
|
|
|
=pod |
|
|
|
=item &submission_report_form |
|
|
|
Input: The originating reportSelected value for the current stats page. |
|
|
|
Output: Scalar containing HTML with needed form elements and a link to |
|
the student submission reports page. |
|
|
|
=cut |
|
|
|
#################################################### |
|
#################################################### |
|
sub submission_report_form { |
|
my ($original_report) = @_; |
|
# Note: In the link below we change the reportSelected value. If |
|
# the user hits the 'back' button on the browser after getting their |
|
# student submissions report, this value may still be around. So we |
|
# output a script block to set it properly. If the $original_report |
|
# value is unset, you are just asking for trouble. |
|
if (! defined($original_report)) { |
|
&Apache::lonnet::logthis |
|
('someone called lonstathelpers::submission_report_form without '. |
|
' enough input.'); |
|
} |
|
my $html = $/. |
|
'<script type="Text/JavaScript">'. |
|
"document.Statistics.reportSelected.value='$original_report';". |
|
'</script>'. |
|
'<input type="hidden" name="correctans" value="true" />'. |
|
'<input type="hidden" name="prob_status" value="true" />'. |
|
'<input type="hidden" name="all_sub" value="true" />'; |
|
my $output_selector = $/.'<select name="output">'.$/; |
|
foreach ('HTML','Excel','CSV') { |
|
$output_selector .= ' <option value="'.lc($_).'"'; |
|
if ($ENV{'form.output'} eq lc($_)) { |
|
$output_selector .= ' selected '; |
|
} |
|
$output_selector .='>'.&mt($_).'</option>'.$/; |
|
} |
|
$output_selector .= '</select>'.$/; |
|
my $link = '<a href="javascript:'. |
|
q{document.Statistics.reportSelected.value='student_submission_reports';}. |
|
'document.Statistics.submit();">'; |
|
$html.= &mt('View data as [_1] [_2]go[_3]',$output_selector, |
|
$link,'</a>').$/; |
|
return $html |
|
} |
|
|
|
#################################################### |
#################################################### |
#################################################### |
|
|
=pod |
=pod |