--- loncom/interface/lonhtmlcommon.pm 2002/07/22 20:35:05 1.1 +++ loncom/interface/lonhtmlcommon.pm 2004/02/12 22:23:30 1.46 @@ -1,71 +1,502 @@ +# The LearningOnline Network with CAPA +# a pile of common html routines +# +# $Id: lonhtmlcommon.pm,v 1.46 2004/02/12 22:23:30 matthew 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 .= '<select name="'; - $Str .= (($page)?$page:'').'Map">'."\n"; - my $selected = 0; - foreach my $sequence (split(':',$data->{'orderedSequences'})) { - $Str .= '<option'; - if($data->{$page.'Map'} eq $data->{$sequence.':title'}) { - $Str .= ' selected'; - $selected = 1; - } - $Str .= '>'.$data->{$sequence.':title'}.'</option>'."\n"; - } - $Str .= '<option'; - if(!$selected) { - $Str .= ' selected'; +############################################## +############################################## + +=pod + +=item authorbombs + +=cut + +############################################## +############################################## + +sub authorbombs { + my $url=shift; + $url=&Apache::lonnet::declutter($url); + my ($udom,$uname)=($url=~/^(\w+)\/(\w+)\//); + my %bombs=&Apache::lonmsg::all_url_author_res_msg($uname,$udom); + foreach (keys %bombs) { + if ($_=~/^$udom\/$uname\//) { + return '<a href="/adm/bombs/'.$url. + '"><img src="/adm/lonMisc/bomb.gif" border="0" /></a>'. + &Apache::loncommon::help_open_topic('About_Bombs'); + } } - $Str .= '>All Maps</option>'."\n"; + return ''; +} - $Str .= '</select>'."\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 $return="\n<select name='$fieldname'". + ($event?" onChange='$event'":''). + ">\n<option value=''>--- ".&mt('Recent')." ---</option>"; + foreach (sort keys %recent) { + unless ($_=~/^error\:/) { + $return.="\n<option value='$_'>". + &Apache::lonnet::unescape((split(/\&/,$recent{$_}))[1]). + '</option>'; + } + } + $return.="\n</select>\n"; + return $return; +} + + +=pod + +=item textbox + +=cut + +############################################## +############################################## +sub textbox { + my ($name,$value,$size,$special) = @_; + $size = 40 if (! defined($size)); + my $Str = '<input type="text" name="'.$name.'" size="'.$size.'" '. + 'value="'.$value.'" '.$special.' />'; return $Str; } -sub StudentOptions { - my ($cache, $students, $selectedName, $page)=@_; +############################################## +############################################## - my $Str = ''; - $Str = '<select name="'.(($page)?$page:'').'Student">'."\n"; +=pod - my $selected=0; - $Str .= '<option'; - if($selectedName eq 'All Students') { - $Str .= ' selected'; - $selected = 1; - } - $Str .= '>All Students</option>'."\n"; +=item checkbox + +=cut + +############################################## +############################################## +sub checkbox { + my ($name,$value) = @_; + my $Str = '<input type="checkbox" name="'.$name.'"'. + ($value?' checked="1"':'').' />'; + return $Str; +} + +############################################## +############################################## - foreach (@$students) { - $Str .= '<option'; - if($selectedName eq $_) { - $Str .= ' selected'; - $selected = 1; +=pod + +=item &date_setter + +&date_setter returns html and javascript for a compact date-setting form. +To retrieve values from it, use &get_date_from_form(). + +Inputs + +=over 4 + +=item $dname + +The name to prepend to the form elements. +The form elements defined will be dname_year, dname_month, dname_day, +dname_hour, dname_min, and dname_sec. + +=item $currentvalue + +The current setting for this time parameter. A unix format time +(time in seconds since the beginning of Jan 1st, 1970, GMT. +An undefined value is taken to indicate the value is the current time. +Also, to be explicit, a value of 'now' also indicates the current time. + +=item $special + +Additional html/javascript to be associated with each element in +the date_setter. See lonparmset for example usage. + +=back + +Bugs + +The method used to restrict user input will fail in the year 2400. + +=cut + +############################################## +############################################## +sub date_setter { + my ($formname,$dname,$currentvalue,$special,$includeempty) = @_; + if (! defined($currentvalue) || $currentvalue eq 'now') { + unless ($includeempty) { + $currentvalue = time; + } else { + $currentvalue = 0; + } + } + # other potentially useful values: wkday,yrday,is_daylight_savings + my ($sec,$min,$hour,$mday,$month,$year)=('','','','','',''); + if ($currentvalue) { + ($sec,$min,$hour,$mday,$month,$year,undef,undef,undef) = + localtime($currentvalue); + $year += 1900; + } + my $result = "\n<!-- $dname date setting form -->\n"; + $result .= <<ENDJS; +<script language="Javascript"> + function $dname\_checkday() { + var day = document.$formname.$dname\_day.value; + var month = document.$formname.$dname\_month.value; + var year = document.$formname.$dname\_year.value; + var valid = true; + if (day < 1) { + document.$formname.$dname\_day.value = 1; + } + if (day > 31) { + document.$formname.$dname\_day.value = 31; + } + if ((month == 1) || (month == 3) || (month == 5) || + (month == 7) || (month == 8) || (month == 10) || + (month == 12)) { + if (day > 31) { + document.$formname.$dname\_day.value = 31; + day = 31; + } + } else if (month == 2 ) { + if ((year % 4 == 0) && (year % 100 != 0)) { + if (day > 29) { + document.$formname.$dname\_day.value = 29; + } + } else if (day > 29) { + document.$formname.$dname\_day.value = 28; + } + } else if (day > 30) { + document.$formname.$dname\_day.value = 30; } - $Str .= '>'; - $Str .= $cache->{$_.':fullname'}; - $Str .= '</option>'."\n"; } - $Str .= '<option'; - if(!$selected) { - $Str .= ' selected'; + function $dname\_opencalendar() { + var calwin=window.open( +"/adm/announcements?pickdate=yes&formname=$formname&element=$dname&month="+ +document.$formname.$dname\_month.value+"&year="+ +document.$formname.$dname\_year.value, + "LONCAPAcal", + "height=350,width=350,scrollbars=yes,resizable=yes,menubar=no"); + + } +</script> +ENDJS + $result .= " <nobr><select name=\"$dname\_month\" ".$special.' '. + "onChange=\"javascript:$dname\_checkday()\" >\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.="<option value=''></option>"; } + for(my $m = 1;$m <=$#Months;$m++) { + $result .= " <option value=\"$m\" "; + $result .= "selected " if ($m-1 eq $month); + $result .= "> ".&mt($Months[$m])." </option>\n"; } - $Str .= '>No Student Selected</option>'."\n"; + $result .= " </select>\n"; + $result .= " <input type=\"text\" name=\"$dname\_day\" ". + "value=\"$mday\" size=\"3\" ".$special.' '. + "onChange=\"javascript:$dname\_checkday()\" />\n"; + $result .= " <input type=\"year\" name=\"$dname\_year\" ". + "value=\"$year\" size=\"5\" ".$special.' '. + "onChange=\"javascript:$dname\_checkday()\" />\n"; + $result .= " "; + $result .= " <select name=\"$dname\_hour\" ".$special." >\n"; + if ($includeempty) { $result.="<option value=''></option>"; } + for (my $h = 0;$h<24;$h++) { + $result .= " <option value=\"$h\" "; + $result .= "selected " if ($hour == $h); + $result .= "> "; + my $timest=''; + if ($h == 0) { + $timest .= "12 am"; + } elsif($h == 12) { + $timest .= "12 noon"; + } elsif($h < 12) { + $timest .= "$h am"; + } else { + $timest .= $h-12 ." pm"; + } + $timest=&mt($timest); + $result .= $timest." </option>\n"; + } + $result .= " </select>\n"; + $result .= " <input type=\"text\" name=\"$dname\_minute\" ".$special.' '. + "value=\"$min\" size=\"3\" /> m\n"; + $result .= " <input type=\"text\" name=\"$dname\_second\" ".$special.' '. + "value=\"$sec\" size=\"3\" /> s\n"; + $result .= "<a href=\"javascript:$dname\_opencalendar()\">". + &mt('Select Date')."</a></nobr>\n<!-- end $dname date setting form -->\n"; + return $result; +} - $Str .= '</select>'."\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 = <<END; + function pjump(type,dis,value,marker,ret,call) { + parmwin=window.open("/adm/rat/parameter.html?type="+escape(type) + +"&value="+escape(value)+"&marker="+escape(marker) + +"&return="+escape(ret) + +"&call="+escape(call)+"&name="+escape(dis),"LONCAPAparms", + "height=350,width=350,scrollbars=no,menubar=no"); + } +END return $Str; } +############################################## +############################################## + +=pod + +=item &javascript_nothing() + +Return an appropriate null for the users browser. This is used +as the first arguement for window.open calls when you want a blank +window that you can then write to. + +=cut + +############################################## +############################################## +sub javascript_nothing { + # mozilla and other browsers work with "''", but IE on mac does not. + my $nothing = "''"; + my $user_browser; + my $user_os; + $user_browser = $ENV{'browser.type'} if (exists($ENV{'browser.type'})); + $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') { + $nothing = "'javascript:void(0);'"; + } + return $nothing; +} + + +############################################## +############################################## + +=pod + +=item &StatusOptions() + +Returns html for a selection box which allows the user to choose the +enrollment status of students. The selection box name is 'Status'. + +Inputs: + +$status: the currently selected status. If undefined the value of +$ENV{'form.Status'} is taken. If that is undefined, a value of 'Active' +is used. + +$formname: The name of the form. If defined the onchange attribute of +the selection box is set to document.$formname.submit(). + +$size: the size (number of lines) of the selection box. + +$onchange: javascript to use when the value is changed. Enclosed in +double quotes, ""s, not single quotes. + +Returns: a perl string as described. + +=cut + +############################################## +############################################## sub StatusOptions { - my ($status, $formName)=@_; + my ($status, $formName,$size,$onchange)=@_; + $size = 1 if (!defined($size)); + if (! defined($status)) { + $status = 'Active'; + $status = $ENV{'form.Status'} if (exists($ENV{'form.Status'})); + } my $OpSel1 = ''; my $OpSel2 = ''; @@ -77,170 +508,246 @@ sub StatusOptions { my $Str = ''; $Str .= '<select name="Status"'; - if(defined($formName) && $formName ne '') { + if(defined($formName) && $formName ne '' && ! defined($onchange)) { $Str .= ' onchange="document.'.$formName.'.submit()"'; } + if (defined($onchange)) { + $Str .= ' onchange="'.$onchange.'"'; + } + $Str .= ' size="'.$size.'" '; $Str .= '>'."\n"; - $Str .= '<option'.$OpSel1.'>Active</option>'."\n"; - $Str .= '<option'.$OpSel2.'>Expired</option>'."\n"; - $Str .= '<option'.$OpSel3.'>Any</option>'."\n"; + $Str .= '<option value="Active" '.$OpSel1.'>'. + &mt('Currently Enrolled').'</option>'."\n"; + $Str .= '<option value="Expired" '.$OpSel2.'>'. + &mt('Previously Enrolled').'</option>'."\n"; + $Str .= '<option value="Any" '.$OpSel3.'>'. + &mt('Any Enrollment Status').'</option>'."\n"; $Str .= '</select>'."\n"; } -sub Title { - my ($pageName)=@_; +######################################################## +######################################################## - my $Str = ''; +=pod - $Str .= '<html><head><title>'.$pageName.'</title></head>'."\n"; - $Str .= '<body bgcolor="#FFFFFF">'."\n"; - $Str .= '<script>window.focus(); window.width=500;window.height=500;'; - $Str .= '</script>'."\n"; - $Str .= '<table width="100%"><tr><td valign="top">'; - $Str .= '<h1> Course: '; - $Str .= $ENV{'course.'.$ENV{'request.course.id'}.'.description'}; - $Str .= '</h1></td><td align="right">'."\n"; - $Str .= '<img align="right" src=/adm/lonIcons/lonlogos.gif>'; - $Str .= '</td></tr></table>'."\n"; -# $Str .= '<h3>Current Time: '.localtime(time).'</h3><br><br><br>'."\n"; +=item Progess Window Handling Routines - return $Str; -} +These routines handle the creation, update, increment, and closure of +progress windows. The progress window reports to the user the number +of items completed and an estimate of the time required to complete the rest. -sub CreateStatisticsMainMenu { - my ($status, $reports)=@_; +=over 4 - my $Str = ''; - $Str .= '<table border="0"><tbody><tr>'."\n"; - $Str .= '<td></td><td></td>'."\n"; - $Str .= '<td align="center"><b>Analysis Reports:</b></td>'."\n"; - $Str .= '<td align="center"><b>Student Status:</b></td></tr>'."\n"; - $Str .= '<tr>'."\n"; - $Str .= '<td align="center"><input type="submit" name="Refresh" '; - $Str .= 'value="Refresh" /></td>'."\n"; - $Str .= '<td align="center"><input type="submit" name="DownloadAll" '; - $Str .= 'value="Update All Student Data" /></td>'."\n"; - $Str .= '<td align="center">'; - $Str .= '<select name="reportSelected" onchange="document.'; - $Str .= 'Statistics.submit()">'."\n"; - - foreach (sort(keys(%$reports))) { - next if($_ eq 'reportSelected'); - $Str .= '<option name="'.$_.'"'; - if($reports->{'reportSelected'} eq $reports->{$_}) { - $Str .= ' selected=""'; - } - $Str .= '>'.$reports->{$_}.'</option>'."\n"; - } - $Str .= '</select></td>'."\n"; - - $Str .= '<td align="center">'; - $Str .= &StatusOptions($status, 'Statistics'); - $Str .= '</td>'."\n"; +=item &Create_PrgWin - $Str .= '</tr></tbody></table>'."\n"; - $Str .= '<hr>'."\n"; +Writes javascript to the client to open a progress window and returns a +data structure used for bookkeeping. - return $Str; -} +Inputs -=pod +=over 4 -=item &CreateTableHeadings() +=item $r Apache request -This function generates the column headings for the chart. +=item $title The title of the progress window -=over 4 +=item $heading A description (usually 1 line) of the process being initiated. -Inputs: $CacheData, $studentInformation, $headings, $spacePadding +=item $number_to_do The total number of items being processed. -$CacheData: pointer to a hash tied to the cached data database +=back -$studentInformation: a pointer to an array containing the names of the data -held in a column and is used as part of a key into $CacheData +Returns a hash containing the progress state data structure. -$headings: The names of the headings for the student information -$spacePadding: The spaces to go between columns +=item &Update_PrgWin -Output: $Str +Updates the text in the progress indicator. Does not increment the count. +See &Increment_PrgWin. -$Str: A formatted string of the table column headings. +Inputs: -=back +=over 4 -=cut +=item $r Apache request -sub CreateStudentInformationHeadings { - my ($data,$studentInformation,$headings,$displayString)=@_; - my $Str=''; +=item $prog_state Pointer to the data structure returned by &Create_PrgWin - for(my $index=0; $index<(scalar @$headings); $index++) { -# if(!&ShouldShowColumn($data, 'ChartHeading'.$index)) { -# next; -# } - my $data=$headings->[$index]; - my $linkdata=$studentInformation->[$index]; - my $tempString = $displayString; - $tempString =~ s/LINKDATA/$linkdata/; - $tempString =~ s/DISPLAYDATA/$data/; - $Str .= $tempString; - } +=item $displaystring The string to write to the status indicator - return $Str; -} +=back -=pod +Returns: none -=item &FormatStudentInformation() -This function produces a formatted string of the student's information: -username, domain, section, full name, and PID. +=item Increment_PrgWin + +Increment the count of items completed for the progress window by 1. + +Inputs: =over 4 -Input: $cache, $name, $studentInformation, $spacePadding +=item $r Apache request + +=item $prog_state Pointer to the data structure returned by Create_PrgWin + +=item $extraInfo A description of the items being iterated over. Typically +'student'. + +=back -$cache: This is a pointer to a hash that is tied to the cached data +Returns: none -$name: The name and domain of the current student in name:domain format -$studentInformation: A pointer to an array holding the names used to +=item Close_PrgWin -remove data from the hash. They represent the name of the data to be removed. +Closes the progress window. -$spacePadding: Extra spaces that represent the space between columns +Inputs: -Output: $Str +=over 4 -$Str: Formatted string. +=item $r Apache request + +=item $prog_state Pointer to the data structure returned by Create_PrgWin + +=back + +Returns: none =back =cut -sub FormatStudentInformation { - my ($cache,$name,$studentInformation,$spacePadding)=@_; - my $Str=''; - my $data; +######################################################## +######################################################## - for(my $index=0; $index<(scalar @$studentInformation); $index++) { - if(!&ShouldShowColumn($cache, 'ChartHeading'.$index)) { - next; - } - $data=$cache->{$name.':'.$studentInformation->[$index]}; - $Str .= $data; +# Create progress +sub Create_PrgWin { + my ($r, $title, $heading, $number_to_do)=@_; + #the whole function called through timeout is due to issues + #in mozilla Read BUG #2665 if you want to know the whole story + $r->print('<script>'. + "var popwin; + function openpopwin () { + popwin=open(\'\',\'popwin\',\'width=400,height=100\');". + "popwin.document.writeln(\'<html><head><title>$title</title></head>". + "<body bgcolor=\"#88DDFF\">". + "<h4>$heading</h4>". + "<form name=popremain>". + '<input type="text" size="55" name="remaining" value="'. + &mt('Starting').'"></form>'. + "</body></html>\');". + "popwin.document.close();}". + "\nwindow.setTimeout(openpopwin,0)</script>"); + + 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('<script>popwin.document.popremain.remaining.value="'. + $displayString.'";</script>'); + $$prog_state{'laststart'}=&Time::HiRes::time(); + $r->rflush(); +} - my @dataLength=split(//,$data); - my $length=scalar @dataLength; - $Str .= (' 'x($cache->{$studentInformation->[$index].'Length'}- - $length)); - $Str .= $spacePadding; +# increment progress state +sub Increment_PrgWin { + my ($r,$prog_state,$extraInfo)=@_; + $$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()-$$prog_state{'laststart'}; + if ($lasttime > 9) { + $lasttime = int($lasttime); + } elsif ($lasttime < 0.01) { + $lasttime = 0; + } else { + $lasttime = sprintf("%3.2f",$lasttime); + } + if ($lasttime == 1) { + $lasttime = '('.$lasttime.' '.&mt('second for').' '.$extraInfo.')'; + } else { + $lasttime = '('.$lasttime.' '.&mt('seconds for').' '.$extraInfo.')'; } + # + my $user_browser = $ENV{'browser.type'} if (exists($ENV{'browser.type'})); + my $user_os = $ENV{'browser.os'} if (exists($ENV{'browser.os'})); + if (! defined($user_browser) || ! defined($user_os)) { + (undef,$user_browser,undef,undef,undef,$user_os) = + &Apache::loncommon::decode_user_agent(); + } + if ($user_browser eq 'explorer' && $user_os =~ 'mac') { + $lasttime = ''; + } + $r->print('<script>popwin.document.popremain.remaining.value="'. + $$prog_state{'done'}.'/'.$$prog_state{'max'}. + ': '.$time_est.' '.&mt('remaining').' '.$lasttime.'";'.'</script>'); + $$prog_state{'laststart'}=&Time::HiRes::time(); + $r->rflush(); +} - return $Str; +# close Progress Line +sub Close_PrgWin { + my ($r,$prog_state)=@_; + $r->print('<script>popwin.close()</script>'."\n"); + undef(%$prog_state); + $r->rflush(); } + +# ------------------------------------------------------- Puts directory header + +sub crumbs { + my ($uri,$target,$prefix,$form)=@_; + my $output='<br /><tt><b><font size="+2">'.$prefix.'/'; + if ($ENV{'user.adv'}) { + my $path=$prefix.'/'; + foreach (split('/',$uri)) { + unless ($_) { next; } + $path.=$_; + unless ($path eq $uri) { $path.='/'; } + my $linkpath=$path; + if ($form) { + $linkpath="javascript:$form.action='$path';$form.submit();"; + } + $output.='<a href="'.$linkpath.'"'.($target?' target="'.$target.'"':'').'>'.$_.'</a>/'; + } + } else { + $output.=$uri; + } + unless ($uri=~/\/$/) { $output=~s/\/$//; } + return $output.'</font></b></tt><br />'; +} + + 1; + __END__