--- loncom/interface/lonhtmlcommon.pm 2003/05/12 22:04:41 1.21 +++ loncom/interface/lonhtmlcommon.pm 2004/01/26 19:55:44 1.41 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common html routines # -# $Id: lonhtmlcommon.pm,v 1.21 2003/05/12 22:04:41 matthew Exp $ +# $Id: lonhtmlcommon.pm,v 1.41 2004/01/26 19:55:44 www Exp $ # # Copyright Michigan State University Board of Trustees # @@ -56,8 +56,121 @@ html. package Apache::lonhtmlcommon; use Time::Local; +use Apache::lonlocal; use strict; + +############################################## +############################################## + +=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'); + } + } + return ''; +} + +############################################## +############################################## + +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 $Str; +} + +############################################## +############################################## + +=pod + +=item checkbox + +=cut + +############################################## +############################################## +sub checkbox { + my ($name,$value) = @_; + my $Str = '<input type="checkbox" name="'.$name.'"'. + ($value?' checked="1"':'').' />'; + return $Str; +} + + + ############################################## ############################################## @@ -65,6 +178,9 @@ use strict; =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 @@ -82,19 +198,37 @@ The current setting for this time parame 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) = @_; + my ($formname,$dname,$currentvalue,$special,$includeempty) = @_; if (! defined($currentvalue) || $currentvalue eq 'now') { - $currentvalue = time; + unless ($includeempty) { + $currentvalue = time; + } else { + $currentvalue = 0; + } } # other potentially useful values: wkday,yrday,is_daylight_savings - my ($sec,$min,$hour,$mday,$month,$year,undef,undef,undef) = - localtime($currentvalue); - $year += 1900; + my ($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"; $result .= <<ENDJS; <script language="Javascript"> @@ -128,57 +262,76 @@ sub date_setter { document.$formname.$dname\_day.value = 30; } } + + 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 - $result .= " <select name=\"$dname\_month\" ". + $result .= " <nobr><select name=\"$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 == $month); - $result .= "> $Months[$m] </option>\n"; + $result .= "selected " if ($m-1 eq $month); + $result .= "> ".&mt($Months[$m])." </option>\n"; } $result .= " </select>\n"; $result .= " <input type=\"text\" name=\"$dname\_day\" ". - "value=\"$mday\" size=\"3\" ". + "value=\"$mday\" size=\"3\" ".$special.' '. "onChange=\"javascript:$dname\_checkday()\" />\n"; $result .= " <input type=\"year\" name=\"$dname\_year\" ". - "value=\"$year\" size=\"5\" ". + "value=\"$year\" size=\"5\" ".$special.' '. "onChange=\"javascript:$dname\_checkday()\" />\n"; $result .= " "; - $result .= " <select name=\"$dname\_hour\" >\n"; + $result .= " <select name=\"$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) { - $result .= "12 am"; + $timest .= "12 am"; } elsif($h == 12) { - $result .= "12 noon"; + $timest .= "12 noon"; } elsif($h < 12) { - $result .= "$h am"; + $timest .= "$h am"; } else { - $result .= $h-12 ." pm"; + $timest .= $h-12 ." pm"; } - $result .= " </option>\n"; + $timest=&mt($timest); + $result .= $timest." </option>\n"; } $result .= " </select>\n"; - $result .= " <input type=\"text\" name=\"$dname\_minute\" ". + $result .= " <input type=\"text\" name=\"$dname\_minute\" ".$special.' '. "value=\"$min\" size=\"3\" /> m\n"; - $result .= " <input type=\"text\" name=\"$dname\_second\" ". + $result .= " <input type=\"text\" name=\"$dname\_second\" ".$special.' '. "value=\"$sec\" size=\"3\" /> s\n"; - $result .= "<!-- end $dname date setting form -->\n"; + $result .= "<a href=\"javascript:$dname\_opencalendar()\">". + &mt('Select Date')."</a></nobr>\n<!-- end $dname date setting form -->\n"; return $result; } ############################################## ############################################## +=pod + =item &get_date_from_form +get_date_from_form retrieves the date specified in an &date_setter form. + Inputs: =over 4 @@ -217,7 +370,7 @@ sub get_date_from_form { } if (defined($ENV{'form.'.$dname.'_hour'})) { my $tmphour = $ENV{'form.'.$dname.'_hour'}; - if (($tmphour =~ /^\d+$/) && ($tmphour > 0) && ($tmphour < 32)) { + if (($tmphour =~ /^\d+$/) && ($tmphour >= 0) && ($tmphour < 24)) { $hour = $tmphour; } } @@ -239,7 +392,10 @@ sub get_date_from_form { $year = $tmpyear - 1900; } } - if (eval(&timelocal($sec,$min,$hour,$day,$month,$year))) { + if (($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,$year); } else { return undef; @@ -327,6 +483,9 @@ the selection box is set to document.$fo $size: the size (number of lines) of the selection box. +$onchange: javascript to use when the value is changed. Enclosed in +double quotes, ""s, not single quotes. + Returns: a perl string as described. =cut @@ -334,7 +493,7 @@ Returns: a perl string as described. ############################################## ############################################## sub StatusOptions { - my ($status, $formName,$size)=@_; + my ($status, $formName,$size,$onchange)=@_; $size = 1 if (!defined($size)); if (! defined($status)) { $status = 'Active'; @@ -351,17 +510,20 @@ 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"; $Str .= '<option value="Active" '.$OpSel1.'>'. - 'Currently Enrolled</option>'."\n"; + &mt('Currently Enrolled').'</option>'."\n"; $Str .= '<option value="Expired" '.$OpSel2.'>'. - 'Previously Enrolled</option>'."\n"; + &mt('Previously Enrolled').'</option>'."\n"; $Str .= '<option value="Any" '.$OpSel3.'>'. - 'Any Enrollment Status</option>'."\n"; + &mt('Any Enrollment Status').'</option>'."\n"; $Str .= '</select>'."\n"; } @@ -565,6 +727,102 @@ sub FormatStudentInformation { ######################################################## ######################################################## +=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, $number_to_do)=@_; @@ -574,15 +832,16 @@ sub Create_PrgWin { "<body bgcolor=\"#88DDFF\">". "<h4>$heading</h4>". "<form name=popremain>". - "<input type=text size=55 name=remaining value=Starting></form>". + '<input type="text" size="55" name="remaining" value="'. + &mt('Starting').'"></form>'. "</body></html>\');". "popwin.document.close();". "</script>"); my %prog_state; $prog_state{'done'}=0; - $prog_state{'firststart'}=time; - $prog_state{'laststart'}=time; + $prog_state{'firststart'}=&Time::HiRes::time(); + $prog_state{'laststart'}=&Time::HiRes::time(); $prog_state{'max'}=$number_to_do; $r->rflush(); @@ -594,7 +853,7 @@ sub Update_PrgWin { my ($r,$prog_state,$displayString)=@_; $r->print('<script>popwin.document.popremain.remaining.value="'. $displayString.'";</script>'); - $$prog_state{'laststart'}=time; + $$prog_state{'laststart'}=&Time::HiRes::time(); $r->rflush(); } @@ -602,31 +861,51 @@ sub Update_PrgWin { sub Increment_PrgWin { my ($r,$prog_state,$extraInfo)=@_; $$prog_state{'done'}++; - my $time_est= (time - $$prog_state{'firststart'})/$$prog_state{'done'} * + my $time_est= (&Time::HiRes::time() - $$prog_state{'firststart'})/ + $$prog_state{'done'} * ($$prog_state{'max'}-$$prog_state{'done'}); $time_est = int($time_est); if (int ($time_est/60) > 0) { my $min = int($time_est/60); my $sec = $time_est % 60; - $time_est = $min.' minutes'; - if ($sec > 1) { - $time_est.= ', '.$sec.' seconds'; - } elsif ($sec > 0) { - $time_est.= ', '.$sec.' second'; - } + $time_est = $min.' '.&mt('minutes'); + if ($min < 10) { + if ($sec > 1) { + $time_est.= ', '.$sec.' '.&mt('seconds'); + } elsif ($sec > 0) { + $time_est.= ', '.$sec.' '.&mt('second'); + } + } + } else { + $time_est .= ' '.&mt('seconds'); + } + my $lasttime = &Time::HiRes::time()-$$prog_state{'laststart'}; + if ($lasttime > 9) { + $lasttime = int($lasttime); + } elsif ($lasttime < 0.01) { + $lasttime = 0; } else { - $time_est .= ' seconds'; + $lasttime = sprintf("%3.2f",$lasttime); } - my $lasttime = time-$$prog_state{'laststart'}; if ($lasttime == 1) { - $lasttime = '('.$lasttime.' second for '.$extraInfo.')'; + $lasttime = '('.$lasttime.' '.&mt('second for').' '.$extraInfo.')'; } else { - $lasttime = '('.$lasttime.' seconds for '.$extraInfo.')'; + $lasttime = '('.$lasttime.' '.&mt('seconds for').' '.$extraInfo.')'; + } + # + my $user_browser = $ENV{'browser.type'} if (exists($ENV{'browser.type'})); + my $user_os = $ENV{'browser.os'} if (exists($ENV{'browser.os'})); + if (! defined($user_browser) || ! defined($user_os)) { + (undef,$user_browser,undef,undef,undef,$user_os) = + &Apache::loncommon::decode_user_agent(); + } + if ($user_browser eq 'explorer' && $user_os =~ 'mac') { + $lasttime = ''; } $r->print('<script>popwin.document.popremain.remaining.value="'. $$prog_state{'done'}.'/'.$$prog_state{'max'}. - ': '.$time_est.' remaining '.$lasttime.'";'.'</script>'); - $$prog_state{'laststart'}=time; + ': '.$time_est.' '.&mt('remaining').' '.$lasttime.'";'.'</script>'); + $$prog_state{'laststart'}=&Time::HiRes::time(); $r->rflush(); } @@ -638,5 +917,31 @@ sub Close_PrgWin { $r->rflush(); } + +# ------------------------------------------------------- Puts directory header + +sub crumbs { + my ($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; } + $path.='/'.$_; + 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__