| '. + &help_open_topic($component_help,$help_text,$stayOnPage, + $width,$height).' | '.$template. + ' |
| $text";
+ }
+
+ # Add the graphic
+ my $title = &mt('Report a Bug');
+ my $bugicon=&lonhttpdurl("/adm/lonMisc/smallBug.gif");
+ $template .= <<"ENDTEMPLATE";
+ |
| $text";
+ }
+
+ # Add the graphic
+ my $title = &mt('View the FAQ');
+ my $faqicon=&lonhttpdurl("/adm/lonMisc/smallFAQ.gif");
+ $template .= <<"ENDTEMPLATE";
+ |
'.&mt("Unable to create new Excel file. ". + "This error has been logged. ". + "Please alert your LON-CAPA administrator"). + '
'); + return (undef); + } + # + $workbook->set_tempdir('/home/httpd/perl/tmp'); + # + my $format = &Apache::loncommon::define_excel_formats($workbook); + return ($workbook,$filename,$format); +} + +############################################################### +############################################################### + =pod =item * change_content_javascript(): @@ -735,11 +1058,46 @@ sub get_domains { my @domains; my %seen; foreach (sort values(%Apache::lonnet::hostdom)) { - push (@domains,$_) unless $seen{$_}++; + push (@domains,$_) unless $seen{$_}++; } return @domains; } +# ------------------------------------------ + +sub domain_select { + my ($name,$value,$multiple)=@_; + my %domains=map { + $_ => $_.' '.$Apache::lonnet::domaindescription{$_} + } &get_domains; + if ($multiple) { + $domains{''}=&mt('Any domain'); + return &multiple_select_form($name,$value,4,%domains); + } else { + return &select_form($name,$value,%domains); + } +} + +sub multiple_select_form { + my ($name,$value,$size,%hash)=@_; + my %selected = map { $_ => 1 } ref($value)?@{$value}:($value); + my $output=''; + if (! defined($size)) { + $size = 4; + if (scalar(keys(%hash))<4) { + $size = scalar(keys(%hash)); + } + } + $output.="\n\n"; + return $output; +} + #------------------------------------------- =pod @@ -764,13 +1122,49 @@ sub select_form { } foreach (@keys) { $selectform.="\n"; } $selectform.=""; return $selectform; } +sub gradeleveldescription { + my $gradelevel=shift; + my %gradelevels=(0 => 'Not specified', + 1 => 'Grade 1', + 2 => 'Grade 2', + 3 => 'Grade 3', + 4 => 'Grade 4', + 5 => 'Grade 5', + 6 => 'Grade 6', + 7 => 'Grade 7', + 8 => 'Grade 8', + 9 => 'Grade 9', + 10 => 'Grade 10', + 11 => 'Grade 11', + 12 => 'Grade 12', + 13 => 'Grade 13', + 14 => '100 Level', + 15 => '200 Level', + 16 => '300 Level', + 17 => '400 Level', + 18 => 'Graduate Level'); + return &mt($gradelevels{$gradelevel}); +} + +sub select_level_form { + my ($deflevel,$name)=@_; + unless ($deflevel) { $deflevel=0; } + my $selectform = ""; + return $selectform; +} #------------------------------------------- @@ -795,7 +1189,7 @@ sub select_dom_form { my $selectdomain = ""; @@ -887,14 +1281,18 @@ Outputs: =back +=back + =cut ############################################################### ############################################################### sub decode_user_agent { + my ($r)=@_; my @browsertype=split(/\&/,$Apache::lonnet::perlvar{"lonBrowsDet"}); my %mathcap=split(/\&/,$$Apache::lonnet::perlvar{"lonMathML"}); my $httpbrowser=$ENV{"HTTP_USER_AGENT"}; + if (!$httpbrowser && $r) { $httpbrowser=$r->header_in('User-Agent'); } my $clientbrowser='unknown'; my $clientversion='0'; my $clientmathml=''; @@ -925,12 +1323,6 @@ sub decode_user_agent { $clientunicode,$clientos,); } -=pod - -=back - -=cut - ############################################################### ## Authentication changing form generation subroutines ## ############################################################### @@ -971,6 +1363,8 @@ See loncreateuser.pm for invocation and =back +=back + =cut #------------------------------------------- @@ -998,10 +1392,30 @@ END $Javascript_toUpperCase = ""; } + my $radioval = "'nochange'"; + if (exists($in{'curr_authtype'}) && + defined($in{'curr_authtype'}) && + $in{'curr_authtype'} ne '') { + $radioval = "'$in{'curr_authtype'}arg'"; + } + my $argfield = 'null'; + if ( grep/^mode$/,(keys %in) ) { + if ($in{'mode'} eq 'modifycourse') { + if ( grep/^curr_authtype$/,(keys %in) ) { + $radioval = "'$in{'curr_authtype'}'"; + } + if ( grep/^curr_autharg$/,(keys %in) ) { + unless ($in{'curr_autharg'} eq '') { + $argfield = "'$in{'curr_autharg'}'"; + } + } + } + } + $result.=<<"END"; var current = new Object(); -current.radiovalue = 'nochange'; -current.argfield = null; +current.radiovalue = $radioval; +current.argfield = $argfield; function changed_radio(choice,currentform) { var choicearg = choice + 'arg'; @@ -1088,20 +1502,32 @@ sub authform_kerberos{ kerb_def_auth => 'krb4', @_, ); - my ($check4,$check5); + my ($check4,$check5,$krbarg); if ($in{'kerb_def_auth'} eq 'krb5') { $check5 = " checked=\"on\""; } else { $check4 = " checked=\"on\""; } + $krbarg = $in{'kerb_def_dom'}; + + my $krbcheck = ""; + if ( grep/^curr_authtype$/,(keys %in) ) { + if ($in{'curr_authtype'} =~ m/^krb/) { + $krbcheck = " checked=\"on\""; + if ( grep/^curr_autharg$/,(keys %in) ) { + $krbarg = $in{'curr_autharg'}; + } + } + } + my $jscall = "javascript:changed_radio('krb',$in{'formname'});"; my $result .= &mt ('[_1] Kerberos authenticated with domain [_2] '. '[_3] Version 4 [_4] Version 5', '', + 'onclick="'.$jscall.'" onchange="'.$jscall.'"'.$krbcheck.' />', '', '', ''); @@ -1114,13 +1540,25 @@ sub authform_internal{ kerb_def_dom => 'MSU.EDU', @_, ); + + my $intcheck = ""; + my $intarg = 'value=""'; + if ( grep/^curr_authtype$/,(keys %args) ) { + if ($args{'curr_authtype'} eq 'int') { + $intcheck = " checked=\"on\""; + if ( grep/^curr_autharg$/,(keys %args) ) { + $intarg = "value=\"$args{'curr_autharg'}\""; + } + } + } + my $jscall = "javascript:changed_radio('int',$args{'formname'});"; my $result.=&mt ('[_1] Internally authenticated (with initial password [_2])', - '', - ''); + '', + ''); return $result; } @@ -1130,12 +1568,24 @@ sub authform_local{ kerb_def_dom => 'MSU.EDU', @_, ); + + my $loccheck = ""; + my $locarg = 'value=""'; + if ( grep/^curr_authtype$/,(keys %in) ) { + if ($in{'curr_authtype'} eq 'loc') { + $loccheck = " checked=\"on\""; + if ( grep/^curr_autharg$/,(keys %in) ) { + $locarg = "value=\"$in{'curr_autharg'}\""; + } + } + } + my $jscall = "javascript:changed_radio('loc',$in{'formname'});"; - my $result.=&mt('[_1] Local Authentication with arguement [_2]', - '', - ''); + my $result.=&mt('[_1] Local Authentication with argument [_2]', + '', + ''); return $result; } @@ -1155,12 +1605,6 @@ sub authform_filesystem{ return $result; } -=pod - -=back - -=cut - ############################################################### ## Get Authentication Defaults for Domain ## ############################################################### @@ -1315,7 +1759,7 @@ sub keyword { =item * get_related_words -Look up a word in the thesaurus. Takes a scalar arguement and returns +Look up a word in the thesaurus. Takes a scalar argument and returns an array of words. If the keyword is not in the thesaurus, an empty array will be returned. The order of the words returned is determined by the database which holds them. @@ -1363,23 +1807,29 @@ sub get_related_words { =over 4 -=item * plainname($uname,$udom) +=item * plainname($uname,$udom,$first) Takes a users logon name and returns it as a string in -"first middle last generation" form +"first middle last generation" form +if $first is set to 'lastname' then it returns it as +'lastname generation, firstname middlename' if their is a lastname =cut ############################################################### sub plainname { - my ($uname,$udom)=@_; + my ($uname,$udom,$first)=@_; my %names=&Apache::lonnet::get('environment', ['firstname','middlename','lastname','generation'], $udom,$uname); - my $name=$names{'firstname'}.' '.$names{'middlename'}.' '. - $names{'lastname'}.' '.$names{'generation'}; + my $name=&Apache::lonnet::format_name($names{'firstname'}, + $names{'middlename'}, + $names{'lastname'}, + $names{'generation'},$first); + $name=~s/^\s+//; $name=~s/\s+$//; $name=~s/\s+/ /g; + if ($name !~ /\S/) { $name=$uname.'@'.$udom; } return $name; } @@ -1402,8 +1852,19 @@ if the user does not sub nickname { my ($uname,$udom)=@_; - my %names=&Apache::lonnet::get('environment', - ['nickname','firstname','middlename','lastname','generation'],$udom,$uname); + my %names; + if ($uname eq $ENV{'user.name'} && + $udom eq $ENV{'user.domain'}) { + %names=('nickname' => $ENV{'environment.nickname'} , + 'firstname' => $ENV{'environment.firstname'} , + 'middlename' => $ENV{'environment.middlename'}, + 'lastname' => $ENV{'environment.lastname'} , + 'generation' => $ENV{'environment.generation'}); + } else { + %names=&Apache::lonnet::get('environment', + ['nickname','firstname','middlename', + 'lastname','generation'],$udom,$uname); + } my $name=$names{'nickname'}; if ($name) { $name='"'.$name.'"'; @@ -1429,17 +1890,21 @@ Gets a users screenname and returns it a sub screenname { my ($uname,$udom)=@_; - my %names= - &Apache::lonnet::get('environment',['screenname'],$udom,$uname); + if ($uname eq $ENV{'user.name'} && + $udom eq $ENV{'user.domain'}) {return $ENV{'environment.screenname'};} + my %names=&Apache::lonnet::get('environment',['screenname'],$udom,$uname); return $names{'screenname'}; } + # ------------------------------------------------------------- Message Wrapper sub messagewrapper { - my ($link,$un,$do)=@_; + my ($link,$username,$domain)=@_; return -"$link"; + ''.$link.''; } # --------------------------------------------------------------- Notes Wrapper @@ -1451,8 +1916,9 @@ sub noteswrapper { # ------------------------------------------------------------- Aboutme Wrapper sub aboutmewrapper { - my ($link,$username,$domain)=@_; - return "$link"; + my ($link,$username,$domain,$target)=@_; + return ''.$link.''; } # ------------------------------------------------------------ Syllabus Wrapper @@ -1463,9 +1929,28 @@ sub syllabuswrapper { if ($fontcolor) { $linktext=''.$linktext.''; } - return "$linktext"; + return qq{$linktext}; +} + +sub track_student_link { + my ($linktext,$sname,$sdom,$target) = @_; + my $link ="/adm/trackstudent"; + my $title = 'View recent activity'; + if (defined($sname) && $sname !~ /^\s*$/ && + defined($sdom) && $sdom !~ /^\s*$/) { + $link .= "?selected_student=$sname:$sdom"; + $title .= ' of this student'; + } + if (defined($target) && $target !~ /^\s*$/) { + $target = qq{target="$target"}; + } else { + $target = ''; + } + return qq{$linktext}; } + + =pod =back @@ -1530,7 +2015,31 @@ returns description of a specified copyr =cut sub copyrightdescription { - return $cprtag{shift(@_)}; + return &mt($cprtag{shift(@_)}); +} + +=pod + +=item * source_copyrightids() + +returns list of all source copyrights + +=cut + +sub source_copyrightids { + return sort(keys(%scprtag)); +} + +=pod + +=item * source_copyrightdescription() + +returns description of a specified source copyright id + +=cut + +sub source_copyrightdescription { + return &mt($scprtag{shift(@_)}); } =pod @@ -1570,6 +2079,14 @@ sub fileembstyle { return $fe{lc(shift(@_))}; } + +sub filecategoryselect { + my ($name,$value)=@_; + return &select_form($value,$name, + '' => &mt('Any category'), + map { $_,$_ } sort(keys(%category_extensions))); +} + =pod =item * filedescription() @@ -1579,7 +2096,9 @@ returns description for a specified file =cut sub filedescription { - return $fd{lc(shift(@_))}; + my $file_description = $fd{lc(shift())}; + $file_description =~ s:([\[\]]):~$1:g; + return &mt($file_description); } =pod @@ -1593,7 +2112,9 @@ extra formatting sub filedescriptionex { my $ex=shift; - return '.'.$ex.' '.$fd{lc($ex)}; + my $file_description = $fd{lc($ex)}; + $file_description =~ s:([\[\]]):~$1:g; + return '.'.$ex.' '.&mt($file_description); } # End of .tab access @@ -1628,13 +2149,13 @@ sub display_languages { sub preferred_languages { my @languages=(); - if ($ENV{'environment.languages'}) { - @languages=split(/\s*(\,|\;|\:)\s*/,$ENV{'environment.languages'}); - } if ($ENV{'course.'.$ENV{'request.course.id'}.'.languages'}) { @languages=(@languages,split(/\s*(\,|\;|\:)\s*/, $ENV{'course.'.$ENV{'request.course.id'}.'.languages'})); } + if ($ENV{'environment.languages'}) { + @languages=split(/\s*(\,|\;|\:)\s*/,$ENV{'environment.languages'}); + } my $browser=(split(/\;/,$ENV{'HTTP_ACCEPT_LANGUAGE'}))[0]; if ($browser) { @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,$browser)); @@ -1814,22 +2335,19 @@ show a snapshot of what student was look =cut sub get_student_view { - my ($symb,$username,$domain,$courseid,$target) = @_; + my ($symb,$username,$domain,$courseid,$target,$moreenv) = @_; my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb); - my (%old,%moreenv); + my (%form); my @elements=('symb','courseid','domain','username'); foreach my $element (@elements) { - $old{$element}=$ENV{'form.grade_'.$element}; - $moreenv{'form.grade_'.$element}=eval '$'.$element #' + $form{'grade_'.$element}=eval '$'.$element #' } - if ($target eq 'tex') {$moreenv{'form.grade_target'} = 'tex';} - &Apache::lonnet::appenv(%moreenv); - $feedurl=&Apache::lonnet::clutter($feedurl); - my $userview=&Apache::lonnet::ssi_body($feedurl); - &Apache::lonnet::delenv('form.grade_'); - foreach my $element (@elements) { - $ENV{'form.grade_'.$element}=$old{$element}; + if (defined($moreenv)) { + %form=(%form,%{$moreenv}); } + if (defined($target)) { $form{'grade_target'} = $target; } + $feedurl=&Apache::lonnet::clutter($feedurl); + my $userview=&Apache::lonnet::ssi_body($feedurl,%form); $userview=~s/\
';
+ my $logo=&lonhttpdurl("/adm/lonDomLogos/$domain.gif");
+ return 'LON-CAPA: '.$title.'
'; } elsif ($ENV{'environment.remote'} eq 'off') { # No Remote - return $bodytag.&Apache::lonmenu::menubuttons($forcereg,'web', - $forcereg). - '| '.$title. -' |
+$role +
+$realm + +ENDROLE + my $titleinfo = ''.$title.''; + if ($customtitle) { + $titleinfo = $customtitle; + } + + if ($ENV{'request.state'} eq 'construct') { + my ($uname,$thisdisfn)= + ($ENV{'request.filename'} =~ m|^/home/([^/]+)/public_html/(.*)|); + my $formaction='/priv/'.$uname.'/'.$thisdisfn; + $formaction=~s/\/+/\//g; + unless ($customtitle) { #this is for resources; directories have customtitle, and crumbs and select recent are created in lonpubdir.pm + my $parentpath = ''; + my $lastitem = ''; + if ($thisdisfn =~ m-(.+/)([^/]*)$-) { + $parentpath = $1; + $lastitem = $2; + } else { + $lastitem = $thisdisfn; + } + $titleinfo = &Apache::loncommon::help_open_menu('','','','',3,'Authoring'). + 'Construction Space: '. + '' + .&Apache::lonmenu::constspaceform(); + + } + $forcereg=1; + } + my $titletable = '
| '. + $titleinfo.' | '.$roleinfo.'
+
ENDBODY } ############################################### +############################################### + +=pod + +=back + +=head1 HTTP Helpers + +=over 4 + +=item * &endbodytag() + +Returns a uniform footer for LON-CAPA web pages. + +Inputs: + +=over 4 + +=back + +Returns: A uniform footer for LON-CAPA web pages. + +=cut + +sub endbodytag { + my $endbodytag=''; + if ($ENV{'environment.texengine'} eq 'jsMath') { + $endbodytag=''. + "\n".$endbodytag; + } + return $endbodytag; +} + +############################################### + +=pod + +=item get_users_function + +Used by &bodytag to determine the current users primary role. +Returns either 'student','coordinator','admin', or 'author'. + +=cut + +############################################### +sub get_users_function { + my $function = 'student'; + if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) { + $function='coordinator'; + } + if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) { + $function='admin'; + } + if (($ENV{'request.role'}=~/^(au|ca)/) || + ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) { + $function='author'; + } + return $function; +} + +############################################### + +=pod + +=item get_sections + +Determines all the sections for a course including +sections with students and sections containing other roles. +Incoming parameters: domain, course number, reference to +section hash (keys to be section/group IDs), reference to +array containing roles for which sections should be gathered +(optional). If the fourth argument is undefined, sections +are gathered for any role. + +Returns number of sections. + +=cut + +############################################### +sub get_sections { + my ($cdom,$cnum,$sectioncount,$possible_roles) = @_; + if (!($cdom && $cnum)) { return 0; } + my $cid = $cdom.'_'.$cnum; + my $numsections = 0; + + if (!defined($possible_roles) || (grep/^st$/,@$possible_roles)) { + my ($classlist) = &Apache::loncoursedata::get_classlist($cid,$cdom,$cnum); + my $sec_index = &Apache::loncoursedata::CL_SECTION(); + my $status_index = &Apache::loncoursedata::CL_STATUS(); + while (my ($student,$data) = each %$classlist) { + my ($section,$status) = ($data->[$sec_index], + $data->[$status_index]); + unless ($section eq '-1' || $section =~ /^\s*$/) { + if (!defined($$sectioncount{$section})) { $numsections++; } + $$sectioncount{$section}++; + } + } + } + my %courseroles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); + foreach my $user (sort(keys(%courseroles))) { + if ($user !~ /^(\w{2})/) { next; } + my ($role) = ($user =~ /^(\w{2})/); + if ($possible_roles && !(grep(/^$role$/,@$possible_roles))) { next; } + my $section; + if ($role eq 'cr' && + $user =~ m-^$role/[^/]*/[^/]*/[^/]*:[^:]*:[^:]*:(\w+)-) { + $section=$1; + } + if ($user =~ /^$role:[^:]*:[^:]*:(\w+)/) { $section=$1; } + if (!defined($section) || $section eq '-1') { next; } + if (!defined($$sectioncount{$section})) { $numsections++; } + $$sectioncount{$section}++; + } + return $numsections; +} + sub get_posted_cgi { my $r=shift; @@ -2304,12 +3028,12 @@ returns cache-controlling header code =cut sub cacheheader { - unless ($ENV{'request.method'} eq 'GET') { return ''; } - my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime); - my $output .=' + unless ($ENV{'request.method'} eq 'GET') { return ''; } + my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime); + my $output .=' '; - return $output; + return $output; } =pod @@ -2321,20 +3045,27 @@ specifies header code to not have cache =cut sub no_cache { - my ($r) = @_; - unless ($ENV{'request.method'} eq 'GET') { return ''; } - #my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime); - $r->no_cache(1); - $r->header_out("Pragma" => "no-cache"); - #$r->header_out("Expires" => $date); + my ($r) = @_; + if ($ENV{'REQUEST_METHOD'} ne 'GET' && + $ENV{'request.method'} ne 'GET') { return ''; } + my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime(time)); + $r->no_cache(1); + $r->header_out("Expires" => $date); + $r->header_out("Pragma" => "no-cache"); } sub content_type { - my ($r,$type,$charset) = @_; - unless ($charset) { - $charset=&Apache::lonlocal::current_encoding; - } - $r->content_type($type.($charset?'; charset='.$charset:'')); + my ($r,$type,$charset) = @_; + if ($ENV{'browser.mathml'} && $type eq 'text/html') { $type='text/xml'; } + unless ($charset) { + $charset=&Apache::lonlocal::current_encoding; + } + if ($charset) { $type.='; charset='.$charset; } + if ($r) { + $r->content_type($type); + } else { + print("Content-type: $type\n\n"); + } } =pod @@ -2416,9 +3147,12 @@ sub upfile_store { my $datatoken=$ENV{'user.name'}.'_'.$ENV{'user.domain'}. '_enroll_'.$ENV{'request.course.id'}.'_'.time.'_'.$$; { - my $fh=Apache::File->new('>'.$r->dir_config('lonDaemons'). - '/tmp/'.$datatoken.'.tmp'); - print $fh $ENV{'form.upfile'}; + my $datafile = $r->dir_config('lonDaemons'). + '/tmp/'.$datatoken.'.tmp'; + if ( open(my $fh,">$datafile") ) { + print $fh $ENV{'form.upfile'}; + close($fh); + } } return $datatoken; } @@ -2437,11 +3171,12 @@ sub load_tmp_file { my $r=shift; my @studentdata=(); { - my $fh; - if ($fh=Apache::File->new($r->dir_config('lonDaemons'). - '/tmp/'.$ENV{'form.datatoken'}.'.tmp')) { - @studentdata=<$fh>; - } + my $studentfile = $r->dir_config('lonDaemons'). + '/tmp/'.$ENV{'form.datatoken'}.'.tmp'; + if ( open(my $fh,"<$studentfile") ) { + @studentdata=<$fh>; + close($fh); + } } $ENV{'form.upfile'}=join('',@studentdata); } @@ -2459,7 +3194,12 @@ needs $ENV{'form.upfile'} and $ENV{'form sub upfile_record_sep { if ($ENV{'form.upfiletype'} eq 'xml') { } else { - return split(/\n/,$ENV{'form.upfile'}); + my @records; + foreach my $line (split(/\n/,$ENV{'form.upfile'})) { + if ($line=~/^\s*$/) { next; } + push(@records,$line); + } + return @records; } } @@ -2486,7 +3226,7 @@ sub record_sep { } } elsif ($ENV{'form.upfiletype'} eq 'tab') { my $i=0; - foreach (split(/\t+/,$record)) { + foreach (split(/\t/,$record)) { my $field=$_; $field=~s/^(\"|\')//; $field=~s/(\"|\')$//; @@ -2594,7 +3334,7 @@ Prints a table to create associations be $r is an Apache Request ref, $records is an arrayref from &Apache::loncommon::upfile_record_sep, -$d is an array of 2 element arrays (internal name, displayed name) +$d is an array of 2 element arrays (internal name, displayed name,defaultcol) =cut @@ -2609,14 +3349,16 @@ sub csv_print_select_table { '
';
}
@@ -2897,7 +3673,7 @@ plotted in. If undefined, default value
=item $Xlabels: Array ref containing the labels to be used for the X-axis.
=item $Ydata: Array ref containing Array refs.
-Each of the contained arrays will be plotted as a seperate curve.
+Each of the contained arrays will be plotted as a separate curve.
=item %Values: hash indicating or overriding any default values which are
passed to graph.png.
@@ -3064,10 +3840,14 @@ sub DrawXYYGraph {
=pod
+=back
+
=head1 Statistics helper routines?
Bad place for them but what the hell.
+=over 4
+
=item &chartlink
Returns a link to the chart for a specific student.
@@ -3084,6 +3864,8 @@ Inputs:
=back
+=back
+
=cut
############################################################
@@ -3091,14 +3873,183 @@ Inputs:
sub chartlink {
my ($linktext, $sname, $sdomain) = @_;
my $link = ''.$linktext.'';
}
+#######################################################
+#######################################################
+
+=pod
+
+=head1 Course Environment Routines
+
+=over 4
+
+=item &restore_course_settings
+
+=item &store_course_settings
+
+Restores/Store indicated form parameters from the course environment.
+Will not overwrite existing values of the form parameters.
+
+Inputs:
+a scalar describing the data (e.g. 'chart', 'problem_analysis')
+
+a hash ref describing the data to be stored. For example:
+
+%Save_Parameters = ('Status' => 'scalar',
+ 'chartoutputmode' => 'scalar',
+ 'chartoutputdata' => 'scalar',
+ 'Section' => 'array',
+ 'StudentData' => 'array',
+ 'Maps' => 'array');
+
+Returns: both routines return nothing
+
+=cut
+
+#######################################################
+#######################################################
+sub store_course_settings {
+ # save to the environment
+ # appenv the same items, just to be safe
+ my $courseid = $ENV{'request.course.id'};
+ my $coursedom = $ENV{'course.'.$courseid.'.domain'};
+ my ($prefix,$Settings) = @_;
+ my %SaveHash;
+ my %AppHash;
+ while (my ($setting,$type) = each(%$Settings)) {
+ my $basename = 'internal.'.$prefix.'.'.$setting;
+ my $envname = 'course.'.$courseid.'.'.$basename;
+ if (exists($ENV{'form.'.$setting})) {
+ # Save this value away
+ if ($type eq 'scalar' &&
+ (! exists($ENV{$envname}) ||
+ $ENV{$envname} ne $ENV{'form.'.$setting})) {
+ $SaveHash{$basename} = $ENV{'form.'.$setting};
+ $AppHash{$envname} = $ENV{'form.'.$setting};
+ } elsif ($type eq 'array') {
+ my $stored_form;
+ if (ref($ENV{'form.'.$setting})) {
+ $stored_form = join(',',
+ map {
+ &Apache::lonnet::escape($_);
+ } sort(@{$ENV{'form.'.$setting}}));
+ } else {
+ $stored_form =
+ &Apache::lonnet::escape($ENV{'form.'.$setting});
+ }
+ # Determine if the array contents are the same.
+ if ($stored_form ne $ENV{$envname}) {
+ $SaveHash{$basename} = $stored_form;
+ $AppHash{$envname} = $stored_form;
+ }
+ }
+ }
+ }
+ my $put_result = &Apache::lonnet::put('environment',\%SaveHash,
+ $coursedom,
+ $ENV{'course.'.$courseid.'.num'});
+ if ($put_result !~ /^(ok|delayed)/) {
+ &Apache::lonnet::logthis('unable to save form parameters, '.
+ 'got error:'.$put_result);
+ }
+ # Make sure these settings stick around in this session, too
+ &Apache::lonnet::appenv(%AppHash);
+ return;
+}
+
+sub restore_course_settings {
+ my $courseid = $ENV{'request.course.id'};
+ my ($prefix,$Settings) = @_;
+ while (my ($setting,$type) = each(%$Settings)) {
+ next if (exists($ENV{'form.'.$setting}));
+ my $envname = 'course.'.$courseid.'.internal.'.$prefix.
+ '.'.$setting;
+ if (exists($ENV{$envname})) {
+ if ($type eq 'scalar') {
+ $ENV{'form.'.$setting} = $ENV{$envname};
+ } elsif ($type eq 'array') {
+ $ENV{'form.'.$setting} = [
+ map {
+ &Apache::lonnet::unescape($_);
+ } split(',',$ENV{$envname})
+ ];
+ }
+ }
+ }
+}
+
############################################################
############################################################
+sub propath {
+ my ($udom,$uname)=@_;
+ $udom=~s/\W//g;
+ $uname=~s/\W//g;
+ my $subdir=$uname.'__';
+ $subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/;
+ my $proname="$Apache::lonnet::perlvar{'lonUsersDir'}/$udom/$subdir/$uname";
+ return $proname;
+}
+
+sub icon {
+ my ($file)=@_;
+ my $curfext = (split(/\./,$file))[-1];
+ my $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/unknown.gif';
+ my $embstyle = &Apache::loncommon::fileembstyle($curfext);
+ if (!(!defined($embstyle) || $embstyle eq 'unk' || $embstyle eq 'hdn')) {
+ if (-e $Apache::lonnet::perlvar{'lonDocRoot'}.'/'.
+ $Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
+ $curfext.".gif") {
+ $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
+ $curfext.".gif";
+ }
+ }
+ return &lonhttpdurl($iconname);
+}
+
+sub lonhttpdurl {
+ my ($url)=@_;
+ my $lonhttpd_port=$Apache::lonnet::perlvar{'lonhttpdPort'};
+ if (!defined($lonhttpd_port)) { $lonhttpd_port='8080'; }
+ return 'http://'.$ENV{'SERVER_NAME'}.':'.$lonhttpd_port.$url;
+}
+
+sub connection_aborted {
+ my ($r)=@_;
+ $r->print(" ");$r->rflush();
+ my $c = $r->connection;
+ return $c->aborted();
+}
+
+# Escapes strings that may have embedded 's that will be put into
+# strings as 'strings'.
+sub escape_single {
+ my ($input) = @_;
+ $input =~ s/\\/\\\\/g; # Escape the \'s..(must be first)>
+ $input =~ s/\'/\\\'/g; # Esacpe the 's....
+ return $input;
+}
+
+# Same as escape_single, but escape's "'s This
+# can be used for "strings"
+sub escape_double {
+ my ($input) = @_;
+ $input =~ s/\\/\\\\/g; # Escape the /'s..(must be first)>
+ $input =~ s/\"/\\\"/g; # Esacpe the "s....
+ return $input;
+}
+
+# Escapes the last element of a full URL.
+sub escape_url {
+ my ($url) = @_;
+ my @urlslices = split(/\//, $url,-1);
+ my $lastitem = &Apache::lonnet::escape(pop(@urlslices));
+ return join('/',@urlslices).'/'.$lastitem;
+}
=pod
=back