--- loncom/interface/lonhtmlcommon.pm 2002/07/22 20:35:05 1.1 +++ loncom/interface/lonhtmlcommon.pm 2004/01/27 16:35:37 1.42 @@ -1,71 +1,504 @@ +# The LearningOnline Network with CAPA +# a pile of common html routines +# +# $Id: lonhtmlcommon.pm,v 1.42 2004/01/27 16:35:37 www Exp $ +# +# Copyright Michigan State University Board of Trustees +# +# This file is part of the LearningOnline Network with CAPA (LON-CAPA). +# +# LON-CAPA is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# LON-CAPA is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LON-CAPA; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# /home/httpd/html/adm/gpl.txt +# +# http://www.lon-capa.org/ +# +###################################################################### +###################################################################### + +=pod + +=head1 NAME + +Apache::lonhtmlcommon - routines to do common html things + +=head1 SYNOPSIS + +Referenced by other mod_perl Apache modules. + +=head1 INTRODUCTION + +lonhtmlcommon is a collection of subroutines used to present information +in a consistent html format, or provide other functionality related to +html. + +=head2 General Subroutines + +=over 4 + +=cut + +###################################################################### +###################################################################### + package Apache::lonhtmlcommon; +use Time::Local; +use Apache::lonlocal; use strict; -sub MapOptions { - my ($data, $page)=@_; - my $Str = ''; - $Str .= ''."\n"; +############################################## +############################################## + +sub recent_filename { + my $area=shift; + return 'nohist_recent_'.&Apache::lonnet::escape($area); +} + +sub store_recent { + my ($area,$name,$value)=@_; + my $file=&recent_filename($area); + my %recent=&Apache::lonnet::dump($file); + if (scalar(keys(%recent))>10) { +# remove oldest value + my $oldest=time; + my $delkey=''; + foreach (keys %recent) { + my $thistime=(split(/\&/,$recent{$_}))[0]; + if ($thistime<$oldest) { + $oldest=$thistime; + $delkey=$_; + } + } + &Apache::lonnet::del($file,[$delkey]); + } +# store new value + &Apache::lonnet::put($file,{ $name => + time.'&'.&Apache::lonnet::escape($value) }); +} + +sub select_recent { + my ($area,$fieldname,$event)=@_; + my %recent=&Apache::lonnet::dump(&recent_filename($area)); + my $return="\n\n"; + return $return; +} + + +=pod + +=item textbox +=cut + +############################################## +############################################## +sub textbox { + my ($name,$value,$size,$special) = @_; + $size = 40 if (! defined($size)); + my $Str = ''; return $Str; } -sub StudentOptions { - my ($cache, $students, $selectedName, $page)=@_; +############################################## +############################################## - my $Str = ''; - $Str = '\n"; + my @Months = qw/January February March April May June + July August September October November December/; + # Pad @Months with a bogus value to make indexing easier + unshift(@Months,'If you can read this an error occurred'); + if ($includeempty) { $result.=""; } + for(my $m = 1;$m <=$#Months;$m++) { + $result .= " '."\n"; + $result .= " \n"; + $result .= " \n"; + $result .= " \n"; + $result .= "  "; + $result .= " \n"; + $result .= " m\n"; + $result .= " s\n"; + $result .= "". + &mt('Select Date')."\n\n"; + return $result; +} - $Str .= ''."\n"; +############################################## +############################################## + +=pod + +=item &get_date_from_form + +get_date_from_form retrieves the date specified in an &date_setter form. + +Inputs: + +=over 4 + +=item $dname + +The name passed to &datesetter, which prefixes the form elements. + +=item $defaulttime + +The unix time to use as the default in case of poor inputs. + +=back + +Returns: Unix time represented in the form. + +=cut + +############################################## +############################################## +sub get_date_from_form { + my ($dname) = @_; + my ($sec,$min,$hour,$day,$month,$year); + # + if (defined($ENV{'form.'.$dname.'_second'})) { + my $tmpsec = $ENV{'form.'.$dname.'_second'}; + if (($tmpsec =~ /^\d+$/) && ($tmpsec >= 0) && ($tmpsec < 60)) { + $sec = $tmpsec; + } + } + if (defined($ENV{'form.'.$dname.'_minute'})) { + my $tmpmin = $ENV{'form.'.$dname.'_minute'}; + if (($tmpmin =~ /^\d+$/) && ($tmpmin >= 0) && ($tmpmin < 60)) { + $min = $tmpmin; + } + } + if (defined($ENV{'form.'.$dname.'_hour'})) { + my $tmphour = $ENV{'form.'.$dname.'_hour'}; + if (($tmphour =~ /^\d+$/) && ($tmphour >= 0) && ($tmphour < 24)) { + $hour = $tmphour; + } + } + if (defined($ENV{'form.'.$dname.'_day'})) { + my $tmpday = $ENV{'form.'.$dname.'_day'}; + if (($tmpday =~ /^\d+$/) && ($tmpday > 0) && ($tmpday < 32)) { + $day = $tmpday; + } + } + if (defined($ENV{'form.'.$dname.'_month'})) { + my $tmpmonth = $ENV{'form.'.$dname.'_month'}; + if (($tmpmonth =~ /^\d+$/) && ($tmpmonth > 0) && ($tmpmonth < 13)) { + $month = $tmpmonth - 1; + } + } + if (defined($ENV{'form.'.$dname.'_year'})) { + my $tmpyear = $ENV{'form.'.$dname.'_year'}; + if (($tmpyear =~ /^\d+$/) && ($tmpyear > 1900)) { + $year = $tmpyear - 1900; + } + } + if (($year<70) || ($year>137)) { return undef; } + if (defined($sec) && defined($min) && defined($hour) && + defined($day) && defined($month) && defined($year) && + eval(&timelocal($sec,$min,$hour,$day,$month,$year))) { + return &timelocal($sec,$min,$hour,$day,$month,$year); + } else { + return undef; + } +} + +############################################## +############################################## + +=pod + +=item &pjump_javascript_definition() +Returns javascript defining the 'pjump' function, which opens up a +parameter setting wizard. + +=cut + +############################################## +############################################## +sub pjump_javascript_definition { + my $Str = <Active'."\n"; - $Str .= 'Expired'."\n"; - $Str .= 'Any'."\n"; + $Str .= ''."\n"; + $Str .= ''."\n"; + $Str .= ''."\n"; $Str .= ''."\n"; } -sub Title { - my ($pageName)=@_; - my $Str = ''; +######################################################## +######################################################## - $Str .= ''.$pageName.''."\n"; - $Str .= ''."\n"; - $Str .= ''."\n"; - $Str .= '
'; - $Str .= '

Course: '; - $Str .= $ENV{'course.'.$ENV{'request.course.id'}.'.description'}; - $Str .= '

'."\n"; - $Str .= ''; - $Str .= '
'."\n"; -# $Str .= '

Current Time: '.localtime(time).'




'."\n"; +=pod - return $Str; -} +=item &MultipleSectionSelect() -sub CreateStatisticsMainMenu { - my ($status, $reports)=@_; +Inputs: - my $Str = ''; +=over 4 - $Str .= ''."\n"; - $Str .= ''."\n"; - $Str .= ''."\n"; - $Str .= ''."\n"; - $Str .= ''."\n"; - $Str .= ''."\n"; + $Str .= ''."\n"; + + return $Str; +} + +######################################################## +######################################################## + +=pod + +=item &Title() + +Inputs: $pageName a string containing the name of the page to be sent +to &Apache::loncommon::bodytag. - $Str .= ''."\n"; +Returns: string containing being and complete and +as well as a <script> to focus the current window and change its width +and height to 500. Why? I do not know. If you find out, please update +this documentation. - $Str .= '</tr></tbody></table>'."\n"; - $Str .= '<hr>'."\n"; +=cut + +######################################################## +######################################################## +sub Title { + my ($pageName)=@_; + + my $Str = ''; + + $Str .= '<html><head><title>'.$pageName.''."\n"; + $Str .= &Apache::loncommon::bodytag($pageName)."\n"; + $Str .= ''."\n"; return $Str; } +######################################################## +######################################################## + =pod -=item &CreateTableHeadings() +=item &CreateHeadings() This function generates the column headings for the chart. =over 4 -Inputs: $CacheData, $studentInformation, $headings, $spacePadding +Inputs: $CacheData, $keyID, $headings, $spacePadding $CacheData: pointer to a hash tied to the cached data database -$studentInformation: a pointer to an array containing the names of the data +$keyID: a pointer to an array containing the names of the data held in a column and is used as part of a key into $CacheData $headings: The names of the headings for the student information @@ -172,41 +638,53 @@ $Str: A formatted string of the table co =cut -sub CreateStudentInformationHeadings { - my ($data,$studentInformation,$headings,$displayString)=@_; +######################################################## +######################################################## +sub CreateHeadings { + my ($data,$keyID,$headings,$displayString,$format)=@_; my $Str=''; + my $formatting = ''; for(my $index=0; $index<(scalar @$headings); $index++) { -# if(!&ShouldShowColumn($data, 'ChartHeading'.$index)) { -# next; -# } - my $data=$headings->[$index]; - my $linkdata=$studentInformation->[$index]; + my $currentHeading=$headings->[$index]; + if($format eq 'preformatted') { + my @dataLength=split(//,$currentHeading); + my $length=scalar @dataLength; + $formatting = (' 'x + ($data->{$keyID->[$index].':columnWidth'}-$length)); + } + my $linkdata=$keyID->[$index]; + my $tempString = $displayString; $tempString =~ s/LINKDATA/$linkdata/; - $tempString =~ s/DISPLAYDATA/$data/; + $tempString =~ s/DISPLAYDATA/$currentHeading/; + $tempString =~ s/FORMATTING/$formatting/; + $Str .= $tempString; } return $Str; } +######################################################## +######################################################## + =pod =item &FormatStudentInformation() -This function produces a formatted string of the student's information: +This function produces a formatted string of the student\'s information: username, domain, section, full name, and PID. =over 4 -Input: $cache, $name, $studentInformation, $spacePadding +Input: $cache, $name, $keyID, $spacePadding $cache: This is a pointer to a hash that is tied to the cached data $name: The name and domain of the current student in name:domain format -$studentInformation: A pointer to an array holding the names used to +$keyID: A pointer to an array holding the names used to remove data from the hash. They represent the name of the data to be removed. @@ -220,27 +698,250 @@ $Str: Formatted string. =cut +######################################################## +######################################################## sub FormatStudentInformation { - my ($cache,$name,$studentInformation,$spacePadding)=@_; + my ($data,$name,$keyID,$displayString,$format)=@_; my $Str=''; - my $data; + my $currentColumn; + + for(my $index=0; $index<(scalar @$keyID); $index++) { + $currentColumn=$data->{$name.':'.$keyID->[$index]}; + + if($format eq 'preformatted') { + my @dataLength=split(//,$currentColumn); + my $length=scalar @dataLength; + $currentColumn.= (' 'x + ($data->{$keyID->[$index].':columnWidth'}-$length)); + } + + my $tempString = $displayString; + $tempString =~ s/DISPLAYDATA/$currentColumn/; - for(my $index=0; $index<(scalar @$studentInformation); $index++) { - if(!&ShouldShowColumn($cache, 'ChartHeading'.$index)) { - next; - } - $data=$cache->{$name.':'.$studentInformation->[$index]}; - $Str .= $data; - - my @dataLength=split(//,$data); - my $length=scalar @dataLength; - $Str .= (' 'x($cache->{$studentInformation->[$index].'Length'}- - $length)); - $Str .= $spacePadding; + $Str .= $tempString; } return $Str; } +######################################################## +######################################################## + +=pod + +=item Progess Window Handling Routines + +These routines handle the creation, update, increment, and closure of +progress windows. The progress window reports to the user the number +of items completed and an estimate of the time required to complete the rest. + +=over 4 + + +=item &Create_PrgWin + +Writes javascript to the client to open a progress window and returns a +data structure used for bookkeeping. + +Inputs + +=over 4 + +=item $r Apache request + +=item $title The title of the progress window + +=item $heading A description (usually 1 line) of the process being initiated. + +=item $number_to_do The total number of items being processed. + +=back + +Returns a hash containing the progress state data structure. + + +=item &Update_PrgWin + +Updates the text in the progress indicator. Does not increment the count. +See &Increment_PrgWin. + +Inputs: + +=over 4 + +=item $r Apache request + +=item $prog_state Pointer to the data structure returned by &Create_PrgWin + +=item $displaystring The string to write to the status indicator + +=back + +Returns: none + + +=item Increment_PrgWin + +Increment the count of items completed for the progress window by 1. + +Inputs: + +=over 4 + +=item $r Apache request + +=item $prog_state Pointer to the data structure returned by Create_PrgWin + +=item $extraInfo A description of the items being iterated over. Typically +'student'. + +=back + +Returns: none + + +=item Close_PrgWin + +Closes the progress window. + +Inputs: + +=over 4 + +=item $r Apache request + +=item $prog_state Pointer to the data structure returned by Create_PrgWin + +=back + +Returns: none + +=back + +=cut + +######################################################## +######################################################## + +# Create progress +sub Create_PrgWin { + my ($r, $title, $heading, $number_to_do)=@_; + $r->print('"); + + my %prog_state; + $prog_state{'done'}=0; + $prog_state{'firststart'}=&Time::HiRes::time(); + $prog_state{'laststart'}=&Time::HiRes::time(); + $prog_state{'max'}=$number_to_do; + + $r->rflush(); + return %prog_state; +} + +# update progress +sub Update_PrgWin { + my ($r,$prog_state,$displayString)=@_; + $r->print(''); + $$prog_state{'laststart'}=&Time::HiRes::time(); + $r->rflush(); +} + +# increment progress state +sub Increment_PrgWin { + my ($r,$prog_state,$extraInfo)=@_; + $$prog_state{'done'}++; + my $time_est= (&Time::HiRes::time() - $$prog_state{'firststart'})/ + $$prog_state{'done'} * + ($$prog_state{'max'}-$$prog_state{'done'}); + $time_est = int($time_est); + if (int ($time_est/60) > 0) { + my $min = int($time_est/60); + my $sec = $time_est % 60; + $time_est = $min.' '.&mt('minutes'); + if ($min < 10) { + if ($sec > 1) { + $time_est.= ', '.$sec.' '.&mt('seconds'); + } elsif ($sec > 0) { + $time_est.= ', '.$sec.' '.&mt('second'); + } + } + } else { + $time_est .= ' '.&mt('seconds'); + } + my $lasttime = &Time::HiRes::time()-$$prog_state{'laststart'}; + if ($lasttime > 9) { + $lasttime = int($lasttime); + } elsif ($lasttime < 0.01) { + $lasttime = 0; + } else { + $lasttime = sprintf("%3.2f",$lasttime); + } + if ($lasttime == 1) { + $lasttime = '('.$lasttime.' '.&mt('second for').' '.$extraInfo.')'; + } else { + $lasttime = '('.$lasttime.' '.&mt('seconds for').' '.$extraInfo.')'; + } + # + my $user_browser = $ENV{'browser.type'} if (exists($ENV{'browser.type'})); + my $user_os = $ENV{'browser.os'} if (exists($ENV{'browser.os'})); + if (! defined($user_browser) || ! defined($user_os)) { + (undef,$user_browser,undef,undef,undef,$user_os) = + &Apache::loncommon::decode_user_agent(); + } + if ($user_browser eq 'explorer' && $user_os =~ 'mac') { + $lasttime = ''; + } + $r->print(''); + $$prog_state{'laststart'}=&Time::HiRes::time(); + $r->rflush(); +} + +# close Progress Line +sub Close_PrgWin { + my ($r,$prog_state)=@_; + $r->print(''."\n"); + undef(%$prog_state); + $r->rflush(); +} + + +# ------------------------------------------------------- Puts directory header + +sub crumbs { + my ($uri,$target,$prefix,$form)=@_; + my $output='
'.$prefix.'/'; + if ($ENV{'user.adv'}) { + my $path=$prefix; + foreach (split('/',$uri)) { + unless ($_) { next; } + $path.='/'.$_; + my $linkpath=$path; + if ($form) { + $linkpath="javascript:$form.action='$path/';$form.submit();"; + } + $output.=''.$_.'/'; + } + } else { + $output.=$uri; + } + unless ($uri=~/\/$/) { $output=~s/\/$//; } + return $output.'
'; +} + + 1; + __END__
Analysis Reports:Student Status:
{'reportSelected'} eq $reports->{$_}) { - $Str .= ' selected=""'; +=item $selectedSections A reference to an array containing the names of the +currently selected sections. + +=back + +Returns: a string containing HTML for a multiple select box for +selecting sections of a course. + +The form element name is 'Section'. @$sections is sorted prior to output. + +=cut + +######################################################## +######################################################## +sub MultipleSectionSelect { + my ($sections,$selectedSections)=@_; + + my $Str = ''; + $Str .= ''; - $Str .= &StatusOptions($status, 'Statistics'); - $Str .= '