--- loncom/interface/lonhelper.pm 2005/07/12 16:11:19 1.112
+++ loncom/interface/lonhelper.pm 2006/07/17 16:26:09 1.157
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# .helper XML handler to implement the LON-CAPA helper
#
-# $Id: lonhelper.pm,v 1.112 2005/07/12 16:11:19 albertel Exp $
+# $Id: lonhelper.pm,v 1.157 2006/07/17 16:26:09 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -183,6 +183,9 @@ use Apache::File;
use Apache::lonxml;
use Apache::lonlocal;
use Apache::lonnet;
+use Apache::longroup;
+use Apache::lonselstudent;
+use LONCAPA;
# Register all the tags with the helper, so the helper can
# push and pop them
@@ -361,6 +364,7 @@ use Apache::loncommon;
use Apache::File;
use Apache::lonlocal;
use Apache::lonnet;
+use LONCAPA;
sub new {
my $proto = shift;
@@ -466,9 +470,8 @@ sub _saveVars {
sub _varsInFile {
my $self = shift;
my @vars = ();
- for my $key (keys %{$self->{VARS}}) {
- push @vars, &Apache::lonnet::escape($key) . '=' .
- &Apache::lonnet::escape($self->{VARS}->{$key});
+ for my $key (keys(%{$self->{VARS}})) {
+ push(@vars, &escape($key) . '=' . &escape($self->{VARS}->{$key}));
}
return join ('&', @vars);
}
@@ -483,7 +486,7 @@ sub declareVar {
$self->{VARS}->{$var} = '';
}
- my $envname = 'form.' . $var . '.forminput';
+ my $envname = 'form.' . $var . '_forminput';
if (defined($env{$envname})) {
if (ref($env{$envname})) {
$self->{VARS}->{$var} = join('|||', @{$env{$envname}});
@@ -573,22 +576,20 @@ sub display {
}
# Phase 4: Display.
- my $html=&Apache::lonxml::xmlbegin();
my $stateTitle=&mt($state->title());
- my $helperTitle = &mt($self->{TITLE});
- my $bodytag = &Apache::loncommon::bodytag($helperTitle,'','');
+ my $browser_searcher_js =
+ '<script type="text/javascript">'."\n".
+ &Apache::loncommon::browser_and_searcher_javascript().
+ "\n".'</script>';
+
+ $result .= &Apache::loncommon::start_page($self->{TITLE},
+ $browser_searcher_js);
+
my $previous = HTML::Entities::encode(&mt("<- Previous"), '<>&"');
my $next = HTML::Entities::encode(&mt("Next ->"), '<>&"');
# FIXME: This should be parameterized, not concatenated - Jeremy
- my $loncapaHelper = &mt("LON-CAPA Helper:");
- $result .= <<HEADER;
-$html
- <head>
- <title>$loncapaHelper: $helperTitle</title>
- </head>
- $bodytag
-HEADER
+
if (!$state->overrideForm()) { $result.="<form name='helpform' method='POST'>"; }
$result .= <<HEADER;
<table border="0" width='100%'><tr><td>
@@ -651,10 +652,9 @@ HEADER
</tr>
</table>
</form>
- </body>
-</html>
FOOTER
+ $result .= &Apache::loncommon::end_page();
# Handle writing out the vars to the file
my $file = Apache::File->new('>'.$self->{FILENAME});
print $file $self->_varsInFile();
@@ -1023,6 +1023,81 @@ sub postprocess {
}
1;
+package Apache::lonhelper::skip;
+
+=pod
+
+=head1 Elements
+
+=head2 Element: skipX<skip>
+
+The <skip> tag allows you define conditions under which the current state
+should be skipped over and define what state to skip to.
+
+ <state name="SKIP">
+ <skip>
+ <clause>
+ #some code that decides whether to skip the state or not
+ </clause>
+ <nextstate>FINISH</nextstate>
+ </skip>
+ <message nextstate="FINISH">A possibly skipped state</message>
+ </state>
+
+=cut
+
+no strict;
+@ISA = ("Apache::lonhelper::element");
+use strict;
+
+BEGIN {
+ &Apache::lonhelper::register('Apache::lonhelper::skip',
+ ('skip'));
+}
+
+sub new {
+ my $ref = Apache::lonhelper::element->new();
+ bless($ref);
+}
+
+sub start_skip {
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+
+ if ($target ne 'helper') {
+ return '';
+ }
+ # let <cluase> know what text to skip to
+ $paramHash->{SKIPTAG}='/skip';
+ return '';
+}
+
+sub end_skip {
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+
+ if ($target ne 'helper') {
+ return '';
+ }
+ Apache::lonhelper::skip->new();
+ return '';
+}
+
+sub render {
+ my $self = shift;
+ return '';
+}
+# If a NEXTSTATE is set, switch to it
+sub preprocess {
+ my ($self) = @_;
+
+ if (defined($self->{NEXTSTATE})) {
+ $helper->changeState($self->{NEXTSTATE});
+ }
+
+ return 1;
+}
+
+1;
+
package Apache::lonhelper::choices;
=pod
@@ -1072,6 +1147,16 @@ will be the state transistioned to if th
the choice is not multichoice. This will override the nextstate
passed to the parent C<choices> tag.
+<choice> may optionally contain a 'relatedvalue' attribute, which
+if present will cause a text entry to appear to the right of the
+selection. The value of the relatedvalue attribute is a variable
+into which the text entry will be stored e.g.:
+<choice computer='numberprovided" relatedvalue="num">Type the number in:</choice>
+
+<choice> may contain a relatededefault atribute which, if the
+relatedvalue attribute is present will be the initial value of the input
+box.
+
=back
To create the choices programmatically, either wrap the choices in
@@ -1162,10 +1247,12 @@ sub start_choice {
my $computer = $token->[2]{'computer'};
my $human = &mt(&Apache::lonxml::get_all_text('/choice',
$parser));
- my $nextstate = $token->[2]{'nextstate'};
- my $evalFlag = $token->[2]{'eval'};
+ my $nextstate = $token->[2]{'nextstate'};
+ my $evalFlag = $token->[2]{'eval'};
+ my $relatedVar = $token->[2]{'relatedvalue'};
+ my $relatedDefault = $token->[2]{'relateddefault'};
push @{$paramHash->{CHOICES}}, [&mtn($human), $computer, $nextstate,
- $evalFlag];
+ $evalFlag, $relatedVar, $relatedDefault];
return '';
}
@@ -1193,7 +1280,7 @@ sub render {
function checkall(value, checkName) {
for (i=0; i<document.forms.helpform.elements.length; i++) {
ele = document.forms.helpform.elements[i];
- if (ele.name == checkName + '.forminput') {
+ if (ele.name == checkName + '_forminput') {
document.forms.helpform.elements[i].checked=value;
}
}
@@ -1266,7 +1353,7 @@ BUTTONS
foreach my $choice (@{$self->{CHOICES}}) {
my $id = &new_id();
$result .= "<tr>\n<td width='20'> </td>\n";
- $result .= "<td valign='top'><input type='$type' name='$var.forminput'"
+ $result .= "<td valign='top'><input type='$type' name='${var}_forminput'"
. " value='" .
HTML::Entities::encode($choice->[1],"<>&\"'")
. "'";
@@ -1275,14 +1362,20 @@ BUTTONS
}
$result .= qq{id="id$id"};
my $choiceLabel = $choice->[0];
- if ($choice->[4]) { # if we need to evaluate this choice
+ if ($choice->[3]) { # if we need to evaluate this choice
$choiceLabel = "sub { my $helper = shift; my $state = shift;" .
$choiceLabel . "}";
$choiceLabel = eval($choiceLabel);
$choiceLabel = &$choiceLabel($helper, $self);
}
$result .= "/></td><td> ".qq{<label for="id$id">}.
- $choiceLabel. "</label></td></tr>\n";
+ $choiceLabel. "</label></td>";
+ if ($choice->[4]) {
+ $result .='<td><input type="text" size="5" name="'
+ .$choice->[4].'_forminput" value="'
+ .$choice->[5].'" /></td>';
+ }
+ $result .= "</tr>\n";
}
$result .= "</table>\n\n\n";
$result .= $buttons;
@@ -1294,7 +1387,7 @@ BUTTONS
# given, switch to it
sub postprocess {
my $self = shift;
- my $chosenValue = $env{'form.' . $self->{'variable'} . '.forminput'};
+ my $chosenValue = $env{'form.' . $self->{'variable'} . '_forminput'};
if (!defined($chosenValue) && !$self->{'allowempty'}) {
$self->{ERROR_MSG} =
@@ -1316,6 +1409,10 @@ sub postprocess {
$helper->changeState($choice->[2]);
}
}
+ if ($choice->[4]) {
+ my $varname = $choice->[4];
+ $helper->{'VARS'}->{$varname} = $env{'form.'."${varname}_forminput"};
+ }
}
return 1;
}
@@ -1423,7 +1520,7 @@ sub render {
$checkedChoices{$self->{CHOICES}->[0]->[1]} = 1;
}
- $result .= "<select name='${var}.forminput'>\n";
+ $result .= "<select name='${var}_forminput'>\n";
foreach my $choice (@{$self->{CHOICES}}) {
$result .= "<option value='" .
HTML::Entities::encode($choice->[1],"<>&\"'")
@@ -1449,7 +1546,7 @@ sub render {
# given, switch to it
sub postprocess {
my $self = shift;
- my $chosenValue = $env{'form.' . $self->{'variable'} . '.forminput'};
+ my $chosenValue = $env{'form.' . $self->{'variable'} . '_forminput'};
if (!defined($chosenValue) && !$self->{'allowempty'}) {
$self->{ERROR_MSG} = "You must choose one or more choices to" .
@@ -1536,6 +1633,7 @@ sub start_date {
$paramHash->{'variable'} = $token->[2]{'variable'};
$helper->declareVar($paramHash->{'variable'});
$paramHash->{'hoursminutes'} = $token->[2]{'hoursminutes'};
+ $paramHash->{'anytime'} = $token->[2]{'anytime'};
}
sub end_date {
@@ -1554,10 +1652,43 @@ sub render {
my $var = $self->{'variable'};
my $date;
-
+
+ my $time=time;
+ my ($anytime,$onclick);
+
+
+ # first check VARS for a valid new value from the user
+ # then check DEFAULT_VALUE for a valid default time value
+ # otherwise pick now as reasonably good time
+
+ if (defined($helper->{VARS}{$var})
+ && $helper->{VARS}{$var} > 0) {
+ $date = localtime($helper->{VARS}{$var});
+ } elsif (defined($self->{DEFAULT_VALUE})) {
+ my $valueFunc = eval($self->{DEFAULT_VALUE});
+ die('Error in default value code for variable ' .
+ $self->{'variable'} . ', Perl said: ' . $@) if $@;
+ $time = &$valueFunc($helper, $self);
+ if (lc($time) eq 'anytime') {
+ $anytime=1;
+ $date = localtime(time);
+ $date->min(0);
+ } elsif (defined($time) && $time ne 0) {
+ $date = localtime($time);
+ } else {
+ # leave date undefined so it'll default to now
+ }
+ }
+
+ if (!defined($date)) {
+ $date = localtime(time);
+ $date->min(0);
+ }
+
+ if ($anytime) {
+ $onclick = "onclick=\"javascript:updateCheck(this.form,'${var}anytime',false)\"";
+ }
# Default date: The current hour.
- $date = localtime();
- $date->min(0);
if (defined $self->{ERROR_MSG}) {
$result .= '<font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br /><br />';
@@ -1565,7 +1696,7 @@ sub render {
# Month
my $i;
- $result .= "<select name='${var}month'>\n";
+ $result .= "<select $onclick name='${var}month'>\n";
for ($i = 0; $i < 12; $i++) {
if ($i == $date->mon) {
$result .= "<option value='$i' selected='selected'>";
@@ -1577,7 +1708,7 @@ sub render {
$result .= "</select>\n";
# Day
- $result .= "<select name='${var}day'>\n";
+ $result .= "<select $onclick name='${var}day'>\n";
for ($i = 1; $i < 32; $i++) {
if ($i == $date->mday) {
$result .= '<option selected="selected">';
@@ -1589,7 +1720,7 @@ sub render {
$result .= "</select>,\n";
# Year
- $result .= "<select name='${var}year'>\n";
+ $result .= "<select $onclick name='${var}year'>\n";
for ($i = 2000; $i < 2030; $i++) { # update this after 64-bit dates
if ($date->year + 1900 == $i) {
$result .= "<option selected='selected'>";
@@ -1606,7 +1737,7 @@ sub render {
my $am = &mt('a.m.');
my $pm = &mt('p.m.');
# Build hour
- $result .= "<select name='${var}hour'>\n";
+ $result .= "<select $onclick name='${var}hour'>\n";
$result .= "<option " . ($date->hour == 0 ? 'selected="selected" ':'') .
" value='0'>" . &mt('midnight') . "</option>\n";
for ($i = 1; $i < 12; $i++) {
@@ -1629,14 +1760,16 @@ sub render {
$result .= "</select> :\n";
- $result .= "<select name='${var}minute'>\n";
- for ($i = 0; $i < 60; $i++) {
+ $result .= "<select $onclick name='${var}minute'>\n";
+ my $selected=0;
+ for my $i ((0,15,30,45,59,undef,0..59)) {
my $printedMinute = $i;
- if ($i < 10) {
+ if (defined($i) && $i < 10) {
$printedMinute = "0" . $printedMinute;
}
- if ($date->min == $i) {
+ if (!$selected && $date->min == $i) {
$result .= "<option selected='selected'>";
+ $selected=1;
} else {
$result .= "<option>";
}
@@ -1644,7 +1777,23 @@ sub render {
}
$result .= "</select>\n";
}
-
+ if ($self->{'anytime'}) {
+ $result.=(<<CHECK);
+<script type="text/javascript">
+// <!--
+ function updateCheck(form,name,value) {
+ var checkbox=form[name];
+ checkbox.checked = value;
+ }
+// -->
+</script>
+CHECK
+ $result.=" or <label><input type='checkbox' ";
+ if ($anytime) {
+ $result.=' checked="checked" '
+ }
+ $result.="name='${var}anytime'/>".&mt('Any time').'</label>'
+ }
return $result;
}
@@ -1652,40 +1801,53 @@ sub render {
sub postprocess {
my $self = shift;
my $var = $self->{'variable'};
- my $month = $env{'form.' . $var . 'month'};
- my $day = $env{'form.' . $var . 'day'};
- my $year = $env{'form.' . $var . 'year'};
- my $min = 0;
- my $hour = 0;
- if ($self->{'hoursminutes'}) {
- $min = $env{'form.' . $var . 'minute'};
- $hour = $env{'form.' . $var . 'hour'};
- }
+ if ($env{'form.' . $var . 'anytime'}) {
+ $helper->{VARS}->{$var} = undef;
+ } else {
+ my $month = $env{'form.' . $var . 'month'};
+ my $day = $env{'form.' . $var . 'day'};
+ my $year = $env{'form.' . $var . 'year'};
+ my $min = 0;
+ my $hour = 0;
+ if ($self->{'hoursminutes'}) {
+ $min = $env{'form.' . $var . 'minute'};
+ $hour = $env{'form.' . $var . 'hour'};
+ }
+
+ my $chosenDate;
+ eval {$chosenDate = Time::Local::timelocal(0, $min, $hour, $day, $month, $year);};
+ my $error = $@;
+
+ # Check to make sure that the date was not automatically co-erced into a
+ # valid date, as we want to flag that as an error
+ # This happens for "Feb. 31", for instance, which is coerced to March 2 or
+ # 3, depending on if it's a leap year
+ my $checkDate = localtime($chosenDate);
+
+ if ($error || $checkDate->mon != $month || $checkDate->mday != $day ||
+ $checkDate->year + 1900 != $year) {
+ unless (Apache::lonlocal::current_language()== ~/^en/) {
+ $self->{ERROR_MSG} = &mt("Invalid date entry");
+ return 0;
+ }
+ # LOCALIZATION FIXME: Needs to be parameterized
+ $self->{ERROR_MSG} = "Can't use " . $months[$month] . " $day, $year as a "
+ . "date because it doesn't exist. Please enter a valid date.";
- my $chosenDate;
- eval {$chosenDate = Time::Local::timelocal(0, $min, $hour, $day, $month, $year);};
- my $error = $@;
-
- # Check to make sure that the date was not automatically co-erced into a
- # valid date, as we want to flag that as an error
- # This happens for "Feb. 31", for instance, which is coerced to March 2 or
- # 3, depending on if it's a leap year
- my $checkDate = localtime($chosenDate);
-
- if ($error || $checkDate->mon != $month || $checkDate->mday != $day ||
- $checkDate->year + 1900 != $year) {
- unless (Apache::lonlocal::current_language()== ~/^en/) {
- $self->{ERROR_MSG} = &mt("Invalid date entry");
return 0;
}
- # LOCALIZATION FIXME: Needs to be parameterized
- $self->{ERROR_MSG} = "Can't use " . $months[$month] . " $day, $year as a "
- . "date because it doesn't exist. Please enter a valid date.";
-
- return 0;
+ $helper->{VARS}->{$var} = $chosenDate;
}
- $helper->{VARS}->{$var} = $chosenDate;
+ if (defined($self->{VALIDATOR})) {
+ my $validator = eval($self->{VALIDATOR});
+ die 'Died during evaluation of validator code; Perl said: ' . $@ if $@;
+ my $invalid = &$validator($helper, $state, $self, $self->getValue());
+ if ($invalid) {
+ $self->{ERROR_MSG} = $invalid;
+ return 0;
+ }
+ }
if (defined($self->{NEXTSTATE})) {
$helper->changeState($self->{NEXTSTATE});
@@ -1937,7 +2099,7 @@ sub render {
function checkall(value, checkName) {
for (i=0; i<document.forms.helpform.elements.length; i++) {
ele = document.forms.helpform.elements[i];
- if (ele.name == checkName + '.forminput') {
+ if (ele.name == checkName + '_forminput') {
document.forms.helpform.elements[i].checked=value;
}
}
@@ -1982,6 +2144,18 @@ BUTTONS
$mapUrl = $self->{MAP_URL};
}
+ my %defaultSymbs;
+ if (defined($self->{DEFAULT_VALUE})) {
+ my $valueFunc = eval($self->{DEFAULT_VALUE});
+ die 'Error in default value code for variable ' .
+ $self->{'variable'} . ', Perl said: ' . $@ if $@;
+ my @defaultSymbs = &$valueFunc($helper, $self);
+ if (!$multichoice && @defaultSymbs) { # only allowed 1
+ @defaultSymbs = ($defaultSymbs[0]);
+ }
+ %defaultSymbs = map { if ($_) {($_,1) } } @defaultSymbs;
+ delete($defaultSymbs{''});
+ }
# Create the composite function that renders the column on the nav map
# have to admit any language that lets me do this can't be all bad
@@ -2024,19 +2198,27 @@ BUTTONS
}
$col .=
"<td align='center'><input type='checkbox' name ='$option_var".
- ".forminput' value='".
+ "_forminput' value='".
$resource_name . "' $checked /> </td>";
}
}
- $col .= "<td align='center'><input type='$inputType' name='${var}.forminput' ";
- if (!$checked && !$multichoice) {
- $col .= "checked='checked' ";
- $checked = 1;
- }
- if ($multichoice) { # all resources start checked; see bug 1174
- $col .= "checked='checked' ";
- $checked = 1;
+ $col .= "<td align='center'><input type='$inputType' name='${var}_forminput' ";
+ if (%defaultSymbs) {
+ my $symb=$resource->symb();
+ if (exists($defaultSymbs{$symb})) {
+ $col .= "checked='checked' ";
+ $checked = 1;
+ }
+ } else {
+ if (!$checked && !$multichoice) {
+ $col .= "checked='checked' ";
+ $checked = 1;
+ }
+ if ($multichoice) { # all resources start checked; see bug 1174
+ $col .= "checked='checked' ";
+ $checked = 1;
+ }
}
$col .= "value='" . $resource_name . "' /></td>";
@@ -2050,7 +2232,7 @@ BUTTONS
my $resource_name =
&HTML::Entities::encode(&$valueFunc($resource),"<>&\"'");
if ($addparts && (scalar(@{$resource->parts}) > 1)) {
- $col .= "<select onclick=\"javascript:updateRadio(this.form,'${var}.forminput','$resource_name');updateHidden(this.form,'$id','${var}');\" name='part_$id.forminput'>\n";
+ $col .= "<select onclick=\"javascript:updateRadio(this.form,'${var}_forminput','$resource_name');updateHidden(this.form,'$id','${var}');\" name='part_${id}_forminput'>\n";
$col .= "<option value=\"$part\">All Parts</option>\n";
foreach my $part (@{$resource->parts}) {
$col .= "<option value=\"$part\">Part: $part</option>\n";
@@ -2072,14 +2254,14 @@ BUTTONS
}
}
function updateHidden(form,id,name) {
- var select=form['part_'+id+'.forminput'];
- var hidden=form[name+'_part.forminput'];
+ var select=form['part_'+id+'_forminput'];
+ var hidden=form[name+'_part_forminput'];
var which=select.selectedIndex;
hidden.value=select.options[which].value;
}
// -->
</script>
-<input type="hidden" name="${var}_part.forminput" />
+<input type="hidden" name="${var}_part_forminput" />
RADIO
$env{'form.condition'} = !$self->{'toponly'};
@@ -2154,6 +2336,10 @@ selection. Defaults to false.
If true, only active students and course personnel will be
shown. Defaults to false.
+=item * B<emptyallowed>:
+
+If true, the selection of no users is allowed. Defaults to false.
+
=back
=cut
@@ -2189,6 +2375,7 @@ sub start_student {
if (defined($token->[2]{'nextstate'})) {
$paramHash->{NEXTSTATE} = $token->[2]{'nextstate'};
}
+ $paramHash->{'emptyallowed'} = $token->[2]{'emptyallowed'};
}
@@ -2207,183 +2394,96 @@ sub render {
my $buttons = '';
my $var = $self->{'variable'};
- if ($self->{'multichoice'}) {
- $result = <<SCRIPT;
-<script type="text/javascript">
-// <!--
- function checkall(value, checkName) {
- for (i=0; i<document.forms.helpform.elements.length; i++) {
- ele = document.forms.helpform.elements[i];
- if (ele.name == checkName + '.forminput') {
- document.forms.helpform.elements[i].checked=value;
- }
- }
- }
- function checksec(value) {
- for (i=0; i<document.forms.helpform.elements.length; i++) {
- comp = document.forms.helpform.elements.chksec.value;
- if (document.forms.helpform.elements[i].value.indexOf(':'+comp+':') != -1) {
- if (document.forms.helpform.elements[i].value.indexOf(':Active') != -1) {
- document.forms.helpform.elements[i].checked=value;
- }
- }
- }
- }
- function checkactive() {
- for (i=0; i<document.forms.helpform.elements.length; i++) {
- if (document.forms.helpform.elements[i].value.indexOf(':Active') != -1) {
- document.forms.helpform.elements[i].checked=true;
- }
- }
- }
- function uncheckexpired() {
- for (i=0; i<document.forms.helpform.elements.length; i++) {
- if (document.forms.helpform.elements[i].value.indexOf(':Expired') != -1) {
- document.forms.helpform.elements[i].checked=false;
- }
- }
- }
-// -->
-</script>
-SCRIPT
-
- my %lt=&Apache::lonlocal::texthash(
- 'ocs' => "Select Only Current Students",
- 'ues' => "Unselect Expired Students",
- 'sas' => "Select All Students",
- 'uas' => "Unselect All Students",
- 'sfsg' => "Select Current Students for Section/Group",
- 'ufsg' => "Unselect for Section/Group");
-
- $buttons = <<BUTTONS;
-<br />
-<table>
- <tr>
-
- <td><input type="button" onclick="checkactive()" value="$lt{'ocs'}" /></td>
- <td><input type="button" onclick="uncheckexpired()" value="$lt{'ues'}" /><br /></td>
- </tr>
- <tr>
- <td><input type="button" onclick="checkall(true, '$var')" value="$lt{'sas'}" /></td>
- <td> <input type="button" onclick="checkall(false, '$var')" value="$lt{'uas'}" /><br /></td>
- </tr>
- <tr>
- <td><input type="button" onclick="checksec(true)" value="$lt{'sfsg'}"></td>
- <td><input type="text" size="5" name="chksec"> </td>
- </tr>
- <tr>
- <td><input type="button" onclick="checksec(false)" value="$lt{'ufsg'}"></td>
- <td></td>
- </tr>
-</table>
-<br />
-BUTTONS
- }
if (defined $self->{ERROR_MSG}) {
$result .= '<font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br /><br />';
}
- my $choices = [];
+ my %defaultUsers;
+ if (defined($self->{DEFAULT_VALUE})) {
+ my $valueFunc = eval($self->{DEFAULT_VALUE});
+ die 'Error in default value code for variable ' .
+ $self->{'variable'} . ', Perl said: ' . $@ if $@;
+ my @defaultUsers = &$valueFunc($helper, $self);
+ if (!$self->{'multichoice'} && @defaultUsers) { # only allowed 1
+ @defaultUsers = ($defaultUsers[0]);
+ }
+ %defaultUsers = map { if ($_) {($_,1) } } @defaultUsers;
+ delete($defaultUsers{''});
+ }
+
+
+ my ($course_personnel,
+ $current_members,
+ $expired_members,
+ $future_members) =
+ &Apache::lonselstudent::get_people_in_class($env{'request.course.sec'});
+
+
# Load up the non-students, if necessary
+
if ($self->{'coursepersonnel'}) {
- my %coursepersonnel = Apache::lonnet::get_course_adv_roles();
- for (sort keys %coursepersonnel) {
- for my $role (split /,/, $coursepersonnel{$_}) {
- # extract the names so we can sort them
- my @people;
-
- for (split /,/, $role) {
- push @people, [split /:/, $role];
- }
-
- @people = sort { $a->[0] cmp $b->[0] } @people;
-
- for my $person (@people) {
- push @$choices, [join(':', @$person), $person->[0], '', $_];
- }
- }
- }
+ unshift @$current_members, (@$course_personnel);
}
- # Constants
- my $section = Apache::loncoursedata::CL_SECTION();
- my $fullname = Apache::loncoursedata::CL_FULLNAME();
- my $status = Apache::loncoursedata::CL_STATUS();
- # Load up the students
- my $classlist = &Apache::loncoursedata::get_classlist();
- my @keys = keys %{$classlist};
- # Sort by: Section, name
- @keys = sort {
- if ($classlist->{$a}->[$section] ne $classlist->{$b}->[$section]) {
- return $classlist->{$a}->[$section] cmp $classlist->{$b}->[$section];
- }
- return $classlist->{$a}->[$fullname] cmp $classlist->{$b}->[$fullname];
- } @keys;
-
- # username, fullname, section, type
- for (@keys) {
- # Filter out inactive students if we've set "activeonly"
- if (!$self->{'activeonly'} || $classlist->{$_}->[$status] eq
- 'Active') {
- push @$choices, [$_, $classlist->{$_}->[$fullname],
- $classlist->{$_}->[$section],
- $classlist->{$_}->[$status], 'Student'];
- }
- }
+ # Current personel
- my $name = $self->{'coursepersonnel'} ? &mt('Name') : &mt('Student Name');
- my $type = 'radio';
- if ($self->{'multichoice'}) { $type = 'checkbox'; }
- $result .= "<table cellspacing='2' cellpadding='2' border='0'>\n";
- $result .= "<tr><td></td><td align='center'><b>$name</b></td>".
- "<td align='center'><b>" . &mt('Section') . "</b></td>" .
- "<td align='center'><b>".&mt('Status')."</b></td>" .
- "<td align='center'><b>" . &mt("Role") . "</b></td>" .
- "<td align='center'><b>".&mt('Username').":".&mt('Domain')."</b></td></tr>";
+ $result .= '<h4>Select Currently Enrolled Students and Active Course Personnel</h4>';
+ $result .= &Apache::lonselstudent::render_student_list( $current_members,
+ "helpform",
+ "current",
+ \%defaultUsers,
+ $self->{'multichoice'},
+ $self->{'variable'},
+ 1);
- my $checked = 0;
- for my $choice (@$choices) {
- $result .= "<tr><td><input type='$type' name='" .
- $self->{'variable'} . '.forminput' . "'";
-
- if (!$self->{'multichoice'} && !$checked) {
- $result .= " checked='checked' ";
- $checked = 1;
- }
- $result .=
- " value='" . HTML::Entities::encode($choice->[0] . ':'
- .$choice->[2] . ':'
- .$choice->[1] . ':'
- .$choice->[3], "<>&\"'")
- . "' /></td><td>"
- . HTML::Entities::encode($choice->[1],'<>&"')
- . "</td><td align='center'>"
- . HTML::Entities::encode($choice->[2],'<>&"')
- . "</td>\n<td>"
- . HTML::Entities::encode($choice->[3],'<>&"')
- . "</td>\n<td>"
- . HTML::Entities::encode($choice->[4],'<>&"')
- . "</td>\n<td>"
- . HTML::Entities::encode($choice->[0],'<>&"')
- . "</td></tr>\n";
+
+ # If activeonly is not set then we can also give the expired students:
+ #
+ if (!$self->{'activeonly'} && ((scalar @$expired_members) > 0)) {
+
+ # And future.
+
+ $result .= '<h4>Select Future Enrolled Students and Future Course Personnel</h4>';
+
+ $result .= &Apache::lonselstudent::render_student_list( $future_members,
+ "helpform",
+ "future",
+ \%defaultUsers,
+ $self->{'multichoice'},
+ $self->{'variable'},
+ 0);
+ # Past
+
+ $result .= '<h4>Select Previously Enrolled Students and Inactive Course Personnel</h4>';
+ $result .= &Apache::lonselstudent::render_student_list($expired_members,
+ "helpform",
+ "past",
+ \%defaultUsers,
+ $self->{'multichoice'},
+ $self->{'variable'},
+ 0);
}
- $result .= "</table>\n\n";
- $result .= $buttons;
-
+
+
return $result;
}
sub postprocess {
my $self = shift;
- my $result = $env{'form.' . $self->{'variable'} . '.forminput'};
- if (!$result) {
- $self->{ERROR_MSG} =
- &mt('You must choose at least one student to continue.');
+ my $result = $env{'form.' . $self->{'variable'} . '_forminput'};
+ if (!$result && !$self->{'emptyallowed'}) {
+ if ($self->{'coursepersonnel'}) {
+ $self->{ERROR_MSG} =
+ &mt('You must choose at least one user to continue.');
+ } else {
+ $self->{ERROR_MSG} =
+ &mt('You must choose at least one student to continue.');
+ }
return 0;
}
@@ -2560,7 +2660,7 @@ sub render {
function checkall(value, checkName) {
for (i=0; i<document.forms.helpform.elements.length; i++) {
ele = document.forms.helpform.elements[i];
- if (ele.name == checkName + '.forminput') {
+ if (ele.name == checkName + '_forminput') {
document.forms.helpform.elements[i].checked=value;
}
}
@@ -2677,7 +2777,7 @@ BUTTONS
my $id = &new_id();
$result .= '<tr><td align="right"' . " bgcolor='$color'>" .
"<input $onclick type='$type' name='" . $var
- . ".forminput' ".qq{id="$id"}." value='" . HTML::Entities::encode($fileName,"<>&\"'").
+ . "_forminput' ".qq{id="$id"}." value='" . HTML::Entities::encode($fileName,"<>&\"'").
"'";
if (!$self->{'multichoice'} && $choices == 0) {
$result .= ' checked="checked"';
@@ -2738,7 +2838,7 @@ sub fileState {
sub postprocess {
my $self = shift;
- my $result = $env{'form.' . $self->{'variable'} . '.forminput'};
+ my $result = $env{'form.' . $self->{'variable'} . '_forminput'};
if (!$result) {
$self->{ERROR_MSG} = 'You must choose at least one file '.
'to continue.';
@@ -2763,8 +2863,12 @@ package Apache::lonhelper::section;
<section> allows the user to choose one or more sections from the current
course.
-It takes the standard attributes "variable", "multichoice", and
-"nextstate", meaning what they do for most other elements.
+It takes the standard attributes "variable", "multichoice",
+"allowempty" and "nextstate", meaning what they do for most other
+elements.
+
+also takes a boolean 'onlysections' whcih will restrict this to only
+have sections and not include groups
=cut
@@ -2794,6 +2898,7 @@ sub start_section {
$paramHash->{'variable'} = $token->[2]{'variable'};
$helper->declareVar($paramHash->{'variable'});
$paramHash->{'multichoice'} = $token->[2]{'multichoice'};
+ $paramHash->{'allowempty'} = $token->[2]{'allowempty'};
if (defined($token->[2]{'nextstate'})) {
$paramHash->{NEXTSTATE} = $token->[2]{'nextstate'};
}
@@ -2803,18 +2908,29 @@ sub start_section {
my $section = Apache::loncoursedata::CL_SECTION();
my $classlist = Apache::loncoursedata::get_classlist();
- foreach (keys %$classlist) {
- my $sectionName = $classlist->{$_}->[$section];
- if (!$sectionName) {
+ foreach my $user (keys(%$classlist)) {
+ my $section_name = $classlist->{$user}[$section];
+ if (!$section_name) {
$choices{"No section assigned"} = "";
} else {
- $choices{$sectionName} = $sectionName;
+ $choices{$section_name} = $section_name;
}
}
- for my $sectionName (sort(keys(%choices))) {
-
- push @{$paramHash->{CHOICES}}, [$sectionName, $sectionName];
+ if (exists($choices{"No section assigned"})) {
+ push(@{$paramHash->{CHOICES}},
+ ['No section assigned','No section assigned']);
+ delete($choices{"No section assigned"});
+ }
+ for my $section_name (sort {lc($a) cmp lc($b) } (keys(%choices))) {
+ push @{$paramHash->{CHOICES}}, [$section_name, $section_name];
+ }
+ return if ($token->[2]{'onlysections'});
+
+ # add in groups to the end of the list
+ my %curr_groups = &Apache::longroup::coursegroups();
+ foreach my $group_name (sort(keys(%curr_groups))) {
+ push(@{$paramHash->{CHOICES}}, [$group_name, $group_name]);
}
}
@@ -2828,6 +2944,70 @@ sub end_section {
}
1;
+package Apache::lonhelper::group;
+
+=pod
+
+=head2 Element: groupX<group, helper element>
+
+<group> allows the user to choose one or more groups from the current course.
+
+It takes the standard attributes "variable", "multichoice",
+ "allowempty" and "nextstate", meaning what they do for most other
+ elements.
+
+=cut
+
+no strict;
+@ISA = ("Apache::lonhelper::choices");
+use strict;
+
+BEGIN {
+ &Apache::lonhelper::register('Apache::lonhelper::group',
+ ('group'));
+}
+
+sub new {
+ my $ref = Apache::lonhelper::choices->new();
+ bless($ref);
+}
+
+sub start_group {
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+
+ if ($target ne 'helper') {
+ return '';
+ }
+
+ $paramHash->{CHOICES} = [];
+
+ $paramHash->{'variable'} = $token->[2]{'variable'};
+ $helper->declareVar($paramHash->{'variable'});
+ $paramHash->{'multichoice'} = $token->[2]{'multichoice'};
+ $paramHash->{'allowempty'} = $token->[2]{'allowempty'};
+ if (defined($token->[2]{'nextstate'})) {
+ $paramHash->{NEXTSTATE} = $token->[2]{'nextstate'};
+ }
+
+ # Populate the CHOICES element
+ my %choices;
+
+ my %curr_groups = &Apache::longroup::coursegroups();
+ foreach my $group_name (sort {lc($a) cmp lc($b)} (keys(%curr_groups))) {
+ push(@{$paramHash->{CHOICES}}, [$group_name, $group_name]);
+ }
+}
+
+sub end_group {
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+
+ if ($target ne 'helper') {
+ return '';
+ }
+ Apache::lonhelper::group->new();
+}
+1;
+
package Apache::lonhelper::string;
=pod
@@ -2894,7 +3074,7 @@ sub render {
$result .= '<p><font color="#FF0000">' . $self->{ERROR_MSG} . '</font></p>';
}
- $result .= '<input type="string" name="' . $self->{'variable'} . '.forminput"';
+ $result .= '<input type="string" name="' . $self->{'variable'} . '_forminput"';
if (defined($self->{'size'})) {
$result .= ' size="' . $self->{'size'} . '"';
@@ -2921,7 +3101,7 @@ sub postprocess {
if (defined($self->{VALIDATOR})) {
my $validator = eval($self->{VALIDATOR});
- die 'Died during evaluation of evaulation code; Perl said: ' . $@ if $@;
+ die 'Died during evaluation of validator code; Perl said: ' . $@ if $@;
my $invalid = &$validator($helper, $state, $self, $self->getValue());
if ($invalid) {
$self->{ERROR_MSG} = $invalid;
@@ -3027,7 +3207,8 @@ sub start_clause {
die 'Error in clause of condition, Perl said: ' . $@ if $@;
if (!&$clause($helper, $paramHash)) {
# Discard all text until the /condition.
- &Apache::lonxml::get_all_text('/condition', $parser);
+ my $end_tag = $paramHash->{SKIPTAG} || '/condition';
+ &Apache::lonxml::get_all_text($end_tag, $parser);
}
}
@@ -3209,8 +3390,11 @@ sub render {
}
my $previous = HTML::Entities::encode(&mt("<- Previous"), '<>&"');
my $next = HTML::Entities::encode(&mt("Next ->"), '<>&"');
+ my $target = " target='loncapaclient'";
+ if (($env{'browser.interface'} eq 'textual') ||
+ ($env{'environment.remote'} eq 'off')) { $target=''; }
$result .= "<center>\n" .
- "<form action='".$actionURL."' method='post' target='loncapaclient'>\n" .
+ "<form action='".$actionURL."' method='post' $target>\n" .
"<input type='button' onclick='history.go(-1)' value='$previous' />" .
"<input type='hidden' name='orgurl' value='$targetURL' />" .
"<input type='hidden' name='selectrole' value='1' />\n" .
@@ -3297,8 +3481,10 @@ sub render {
if ($vars->{GRANULARITY} eq 'whole_course') {
$resourceString .= '<li>'.&mt('for <b>all resources in the course</b>').'</li>';
if ($vars->{TARGETS} eq 'course') {
- $level = 11; # general course, see lonparmset.pm perldoc
+ $level = 14; # general course, see lonparmset.pm perldoc
} elsif ($vars->{TARGETS} eq 'section') {
+ $level = 9;
+ } elsif ($vars->{TARGETS} eq 'group') {
$level = 6;
} else {
$level = 3;
@@ -3313,8 +3499,10 @@ sub render {
$symb = $res->symb();
$resourceString .= '<li>'.&mt('for the map named [_1]',"<b>$title</b>").'</li>';
if ($vars->{TARGETS} eq 'course') {
- $level = 10; # general course, see lonparmset.pm perldoc
+ $level = 13; # general course, see lonparmset.pm perldoc
} elsif ($vars->{TARGETS} eq 'section') {
+ $level = 8;
+ } elsif ($vars->{TARGETS} eq 'group') {
$level = 5;
} else {
$level = 2;
@@ -3330,8 +3518,10 @@ sub render {
my $title = $res->compTitle();
$resourceString .= '<li>'.&mt('for the resource named [_1] part [_2]',"<b>$title</b>","<b>$part</b>").'</li>';
if ($vars->{TARGETS} eq 'course') {
- $level = 7; # general course, see lonparmset.pm perldoc
+ $level = 10; # general course, see lonparmset.pm perldoc
} elsif ($vars->{TARGETS} eq 'section') {
+ $level = 7;
+ } elsif ($vars->{TARGETS} eq 'group') {
$level = 4;
} else {
$level = 1;
@@ -3411,6 +3601,11 @@ sub render {
$result .= '<li>'.&mt('for section [_1]',"<b>$section</b>").'</li>';
$result .= "<input type='hidden' name='csec' value='" .
HTML::Entities::encode($section,"'<>&\"") . "' />\n";
+ } elsif ($vars->{TARGETS} eq 'group') {
+ my $group = $vars->{GROUP_NAME};
+ $result .= '<li>'.&mt('for group [_1]',"<b>$group</b>").'</li>';
+ $result .= "<input type='hidden' name='cgroup' value='" .
+ HTML::Entities::encode($group,"'<>&\"") . "' />\n";
} else {
# FIXME: This is probably wasteful! Store the name!
my $classlist = Apache::loncoursedata::get_classlist();