--- loncom/interface/lonhtmlcommon.pm 2003/05/12 22:04:41 1.21 +++ loncom/interface/lonhtmlcommon.pm 2004/08/05 16:59:29 1.86 @@ -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 1.86 2004/08/05 16:59:29 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -56,6 +56,8 @@ html. package Apache::lonhtmlcommon; use Time::Local; +use Time::HiRes; +use Apache::lonlocal; use strict; ############################################## @@ -63,8 +65,126 @@ 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 ''. + &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\n"; + return $return; +} + + +=pod + +=item textbox + +=cut + +############################################## +############################################## +sub textbox { + my ($name,$value,$size,$special) = @_; + $size = 40 if (! defined($size)); + my $Str = ''; + return $Str; +} + +############################################## +############################################## + +=pod + +=item checkbox + +=cut + +############################################## +############################################## +sub checkbox { + my ($name,$checked,$value) = @_; + my $Str = ' @@ -128,57 +280,108 @@ sub date_setter { document.$formname.$dname\_day.value = 30; } } + + function $dname\_disable() { + document.$formname.$dname\_month.disabled=true; + document.$formname.$dname\_day.disabled=true; + document.$formname.$dname\_year.disabled=true; + document.$formname.$dname\_hour.disabled=true; + document.$formname.$dname\_minute.disabled=true; + document.$formname.$dname\_second.disabled=true; + } + + function $dname\_enable() { + document.$formname.$dname\_month.disabled=false; + document.$formname.$dname\_day.disabled=false; + document.$formname.$dname\_year.disabled=false; + document.$formname.$dname\_hour.disabled=false; + document.$formname.$dname\_minute.disabled=false; + document.$formname.$dname\_second.disabled=false; + } + + function $dname\_opencalendar() { + if (! document.$formname.$dname\_month.disabled) { + var calwin=window.open( +"/adm/announcements?pickdate=yes&formname=$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"); + } + + } ENDJS - $result .= " \n"; - $result .= " \n"; - $result .= " \n"; $result .= "  "; - $result .= " s\n"; - $result .= "\n"; + if (! $no_hh_mm_ss) { + # Hours + $result .= " \n"; + $result .= " m\n"; + $result .= " s\n"; + } + $result .= "". + &mt('Select Date')."\n\n"; return $result; } ############################################## ############################################## +=pod + =item &get_date_from_form +get_date_from_form retrieves the date specified in an &date_setter form. + Inputs: =over 4 @@ -208,18 +411,26 @@ sub get_date_from_form { if (($tmpsec =~ /^\d+$/) && ($tmpsec >= 0) && ($tmpsec < 60)) { $sec = $tmpsec; } + if (!defined($tmpsec) || $tmpsec eq '') { $sec = 0; } + } else { + $sec = 0; } if (defined($ENV{'form.'.$dname.'_minute'})) { my $tmpmin = $ENV{'form.'.$dname.'_minute'}; if (($tmpmin =~ /^\d+$/) && ($tmpmin >= 0) && ($tmpmin < 60)) { $min = $tmpmin; } + if (!defined($tmpmin) || $tmpmin eq '') { $min = 0; } + } else { + $min = 0; } if (defined($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; } + } else { + $hour = 0; } if (defined($ENV{'form.'.$dname.'_day'})) { my $tmpday = $ENV{'form.'.$dname.'_day'}; @@ -239,7 +450,10 @@ 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,$year); } else { return undef; @@ -327,6 +541,9 @@ the selection box is set to document.$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 +551,7 @@ 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'; @@ -351,186 +568,123 @@ sub StatusOptions { my $Str = ''; $Str .= ''."\n"; } - ######################################################## ######################################################## =pod -=item &MultipleSectionSelect() +=item Progess Window Handling Routines -Inputs: +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 $sections A references to an array containing the names of all the -sections used in a class. - -=item $selectedSections A reference to an array containing the names of the -currently selected sections. - -=back -Returns: a string containing HTML for a multiple select box for -selecting sections of a course. +=item &Create_PrgWin -The form element name is 'Section'. @$sections is sorted prior to output. +Writes javascript to the client to open a progress window and returns a +data structure used for bookkeeping. -=cut - -######################################################## -######################################################## -sub MultipleSectionSelect { - my ($sections,$selectedSections)=@_; - - my $Str = ''; - $Str .= ''."\n"; - - return $Str; -} +=over 4 -######################################################## -######################################################## +=item $r Apache request -=pod +=item $title The title of the progress window -=item &Title() +=item $heading A description (usually 1 line) of the process being initiated. -Inputs: $pageName a string containing the name of the page to be sent -to &Apache::loncommon::bodytag. +=item $number_to_do The total number of items being processed. -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. +=item $type Either 'popup' or 'inline' (popup is assumed if nothing is + specified) -=cut +=item $width Specify the width in charaters of the input field. -######################################################## -######################################################## -sub Title { - my ($pageName)=@_; +=item $formname Only useful in the inline case, if a form already exists, this needs to be used and specfiy the name of the form, otherwise the Progress line will be created in a new form of it's own - my $Str = ''; +=item $inputname Only useful in the inline case, if a form and an input of type text exists, use this to specify the name of the input field - $Str .= '<html><head><title>'.$pageName.''."\n"; - $Str .= &Apache::loncommon::bodytag($pageName)."\n"; - $Str .= ''."\n"; +=back - return $Str; -} +Returns a hash containing the progress state data structure. -######################################################## -######################################################## -=pod +=item &Update_PrgWin -=item &CreateHeadings() +Updates the text in the progress indicator. Does not increment the count. +See &Increment_PrgWin. -This function generates the column headings for the chart. +Inputs: =over 4 -Inputs: $CacheData, $keyID, $headings, $spacePadding - -$CacheData: pointer to a hash tied to the cached data database +=item $r Apache request -$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 +=item $prog_state Pointer to the data structure returned by &Create_PrgWin -$headings: The names of the headings for the student information +=item $displaystring The string to write to the status indicator -$spacePadding: The spaces to go between columns +=back -Output: $Str +Returns: none -$Str: A formatted string of the table column headings. -=back +=item Increment_PrgWin -=cut +Increment the count of items completed for the progress window by 1. -######################################################## -######################################################## -sub CreateHeadings { - my ($data,$keyID,$headings,$displayString,$format)=@_; - my $Str=''; - my $formatting = ''; - - for(my $index=0; $index<(scalar @$headings); $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/; - $tempString =~ s/DISPLAYDATA/$currentHeading/; - $tempString =~ s/FORMATTING/$formatting/; +Inputs: - $Str .= $tempString; - } +=over 4 - return $Str; -} +=item $r Apache request -######################################################## -######################################################## +=item $prog_state Pointer to the data structure returned by Create_PrgWin -=pod +=item $extraInfo A description of the items being iterated over. Typically +'student'. -=item &FormatStudentInformation() +=back -This function produces a formatted string of the student\'s information: -username, domain, section, full name, and PID. +Returns: none -=over 4 -Input: $cache, $name, $keyID, $spacePadding +=item Close_PrgWin -$cache: This is a pointer to a hash that is tied to the cached data +Closes the progress window. -$name: The name and domain of the current student in name:domain format +Inputs: -$keyID: A pointer to an array holding the names used to +=over 4 -remove data from the hash. They represent the name of the data to be removed. +=item $r Apache request -$spacePadding: Extra spaces that represent the space between columns +=item $prog_state Pointer to the data structure returned by Create_PrgWin -Output: $Str +=back -$Str: Formatted string. +Returns: none =back @@ -538,105 +692,445 @@ $Str: Formatted string. ######################################################## ######################################################## -sub FormatStudentInformation { - my ($data,$name,$keyID,$displayString,$format)=@_; - my $Str=''; - 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/; - - $Str .= $tempString; - } - - return $Str; +my $uniq=0; +sub get_uniq_name { + $uniq++; + return 'uniquename'.$uniq; } -######################################################## -######################################################## - # Create progress sub Create_PrgWin { - my ($r, $title, $heading, $number_to_do)=@_; - $r->print('"); + "popwin.document.close();}". + "\nwindow.setTimeout(openpopwin,0)"); + $prog_state{'formname'}='popremain'; + $prog_state{'inputname'}="remaining"; + } elsif ($type eq 'inline') { + $prog_state{'window'}='window'; + if (!$formname) { + $prog_state{'formname'}=&get_uniq_name(); + &r_print($r,'
'); + } else { + $prog_state{'formname'}=$formname; + } + if (!$inputname) { + $prog_state{'inputname'}=&get_uniq_name(); + &r_print($r,$heading.' '); + } else { + $prog_state{'inputname'}=$inputname; + + } + if (!$formname) { &r_print($r,'
'); } + &Update_PrgWin($r,\%prog_state,&mt('Starting')); + } - 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; - - $r->rflush(); + return %prog_state; } # update progress sub Update_PrgWin { my ($r,$prog_state,$displayString)=@_; - $r->print(''); - $$prog_state{'laststart'}=time; - $r->rflush(); + &r_print($r,''); + $$prog_state{'laststart'}=&Time::HiRes::time(); } # increment progress state 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'}-$$prog_state{'done'}); $time_est = int($time_est); - if (int ($time_est/60) > 0) { - my $min = int($time_est/60); - my $sec = $time_est % 60; - $time_est = $min.' minutes'; - if ($sec > 1) { - $time_est.= ', '.$sec.' seconds'; - } elsif ($sec > 0) { - $time_est.= ', '.$sec.' second'; - } + # + my $min = int($time_est/60); + my $sec = $time_est % 60; + # + my $str; + if ($min == 1 && $sec > 1) { + $str = '[_2] seconds'; + } elsif ($min == 1 && $sec < 2) { + $str = '1 minute'; + } elsif ($min < 10 && $sec > 1) { + $str = '[_1] minutes, [_2] seconds'; + } elsif ($min >= 10 || $sec < 2) { + $str = '[_1] minutes'; + } + $time_est = &mt($str,$min,$sec); + # + my $lasttime = &Time::HiRes::time()-$$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-$$prog_state{'laststart'}; if ($lasttime == 1) { - $lasttime = '('.$lasttime.' second for '.$extraInfo.')'; + $lasttime = '('.$lasttime.' '.&mt('second for').' '.$extraInfo.')'; } else { - $lasttime = '('.$lasttime.' seconds for '.$extraInfo.')'; + $lasttime = '('.$lasttime.' '.&mt('seconds for').' '.$extraInfo.')'; + } + # + my $user_browser = $ENV{'browser.type'} if (exists($ENV{'browser.type'})); + my $user_os = $ENV{'browser.os'} if (exists($ENV{'browser.os'})); + if (! defined($user_browser) || ! defined($user_os)) { + (undef,$user_browser,undef,undef,undef,$user_os) = + &Apache::loncommon::decode_user_agent(); } - $r->print(''); - $$prog_state{'laststart'}=time; - $r->rflush(); + if ($user_browser eq 'explorer' && $user_os =~ 'mac') { + $lasttime = ''; + } + &r_print($r,''); + $$prog_state{'laststart'}=&Time::HiRes::time(); } # close Progress Line sub Close_PrgWin { my ($r,$prog_state)=@_; - $r->print(''."\n"); + if ($$prog_state{'type'} eq 'popup') { + &r_print($r,''."\n"); + } elsif ($$prog_state{'type'} eq 'inline') { + &Update_PrgWin($r,$prog_state,&mt('Done')); + } undef(%$prog_state); - $r->rflush(); } +sub r_print { + my ($r,$to_print)=@_; + if ($r) { + $r->print($to_print); + $r->rflush(); + } else { + print($to_print); + } +} + +# ------------------------------------------------------- Puts directory header + +sub crumbs { + my ($uri,$target,$prefix,$form,$size,$noformat)=@_; + if (! defined($size)) { + $size = '+2'; + } + my $output=''; + unless ($noformat) { $output.='
'; } + $output.=''.$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();"; + } + $output.=''.$_.'/'; + } + } else { + $output.=$uri; + } + unless ($uri=~/\/$/) { $output=~s/\/$//; } + return $output.''.($noformat?'':'
'); +} + +# --------------------- A function that generates a window for the spellchecker + +sub spellheader { + my $nothing = &javascript_nothing(); + return (< +// BEGIN LON-CAPA Internal +var checkwin; + +function spellcheckerwindow() { + checkwin=window.open($nothing,'spellcheckwin','height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no'); + checkwin.document.writeln('
'); + checkwin.document.close(); +} +// END LON-CAPA Internal + +ENDCHECK +} + +# ---------------------------------- Generate link to spell checker for a field + +sub spelllink { + my ($form,$field)=@_; + my $linktext=&mt('Check Spelling'); + return (<$linktext +ENDLINK +} + +# ------------------------------------------------- Output headers for HTMLArea + +sub htmlareaheaders { + if (&htmlareablocked()) { return ''; } + unless (&htmlareabrowser()) { return ''; } + my $lang='en'; + if (&mt('htmlarea_lang') ne 'htmlarea_lang') { + $lang=&mt('htmlarea_lang'); + } + return (< +_editor_url='/htmlarea/'; +_editor_lang='$lang'; + + +ENDHEADERS +} + +# ------------------------------------------------- Activate additional buttons + +sub htmlareaaddbuttons { + if (&htmlareablocked()) { return ''; } + unless (&htmlareabrowser()) { return ''; } + return (<\$','\$'); + } + ); + config.registerButton('ed_math_eqn','LaTeX Equation', + '/htmlarea/images/ed_math_eqn.gif',false, + function(editor,id) { + editor.surroundHTML( + '
\\\\[','\\\\]
'); + } + ); + config.toolbar.push(['ed_math','ed_math_eqn']); +ENDADDBUTTON +} + +# ----------------------------------------------------------------- Preferences + +sub disablelink { + my @fields=@_; + if (defined($#fields)) { + unless ($#fields>=0) { return ''; } + } + return ''.&mt('Disable WYSIWYG Editor').''; +} + +sub enablelink { + my @fields=@_; + if (defined($#fields)) { + unless ($#fields>=0) { return ''; } + } + return ''.&mt('Enable WYSIWYG Editor').''; +} + +# ----------------------------------------- Script to activate only some fields + +sub htmlareaselectactive { + my @fields=@_; + unless (&htmlareabrowser()) { return ''; } + if (&htmlareablocked()) { return '
'.&enablelink(@fields); } + my $output='
". + &disablelink(@fields); + return $output; +} + +# --------------------------------------------------------------------- Blocked + +sub htmlareablocked { + unless ($ENV{'environment.wysiwygeditor'} eq 'on') { return 1; } + return 0; +} + +# ---------------------------------------- Browser capable of running HTMLArea? + +sub htmlareabrowser { + return 1; +} + +############################################################ +############################################################ + +=pod + +=item breadcrumbs + +Compiles the previously registered breadcrumbs into an series of links. +FAQ and BUG links will be placed on the left side of the table if they +are defined for the last registered breadcrumb. +Additionally supports a 'component', which will be displayed on the +right side of the table (without a link). +A link to help for the component will be included if one is specified. + +All inputs can be undef without problems. + +Inputs: $color (the background color of the table returned), + $component (the large text on the right side of the table), + $component_help + $function (role to get colors from) + $domain (domian of role) + $menulink (boolean, controls whether to include a link to /adm/menu) + +Returns a string containing breadcrumbs for the current page. + +=item clear_breadcrumbs + +Clears the previously stored breadcrumbs. + +=item add_breadcrumb + +Pushes a breadcrumb on the stack of crumbs. + +input: $breadcrumb, a hash reference. The keys 'href','title', and 'text' +are required. If present the keys 'faq' and 'bug' will be used to provide +links to the FAQ and bug sites. + +returns: nothing + +=cut + +############################################################ +############################################################ +{ + my @Crumbs; + + sub breadcrumbs { + my ($color,$component,$component_help,$function,$domain,$menulink) = + @_; + if (! defined($color)) { + if (! defined($function)) { + $function = &Apache::loncommon::get_users_function(); + } + $color = &Apache::loncommon::designparm($function.'.tabbg', + $domain); + } + # + my $Str = "\n". + ''. + ''; + # + if (defined($component)) { + $Str .= ''; + } + $Str .= '
'. + ''; + # + # Make the faq and bug data cascade + my $faq = ''; + my $bug = ''; + # The last breadcrumb does not have a link, so handle it separately. + my $last = pop(@Crumbs); + # + # The first one should be the course or a menu link + if (!defined($menulink)) { $menulink=1; } + if ($menulink) { + my $description = 'Menu'; + if (exists($ENV{'request.course.id'}) && + $ENV{'request.course.id'} ne '') { + $description = + $ENV{'course.'.$ENV{'request.course.id'}.'.description'}; + } + unshift(@Crumbs,{ + href =>'/adm/menu', + title =>'Go to main menu', + target =>'_top', + text =>$description, + }); + } + my $links .= + join('->', + map { + $faq = $_->{'faq'} if (exists($_->{'faq'})); + $bug = $_->{'bug'} if (exists($_->{'bug'})); + my $result = '{'target'}) && $_->{'target'} ne '') { + $result .= 'target="'.$_->{'target'}.'" '; + } + $result .='title="'.&mt($_->{'title'}).'">'. + &mt($_->{'text'}).''; + $result; + } @Crumbs + ); + $links .= '->' if ($links ne ''); + $links .= ''.&mt($last->{'text'}).''; + # + my $icons = ''; + $faq = $last->{'faq'} if (exists($last->{'faq'})); + $bug = $last->{'bug'} if (exists($last->{'bug'})); +# if ($faq ne '') { +# $icons .= &Apache::loncommon::help_open_faq($faq); +# } +# if ($bug ne '') { +# $icons .= &Apache::loncommon::help_open_bug($bug); +# } + $icons .= &Apache::loncommon::help_open_menu($color,$component,$component_help,$function,$faq,$bug); + if ($icons ne '') { + $Str .= $icons.' '; + } + # + $Str .= $links.''. + ''.&mt($component).'
'."\n"; + # + # Return the @Crumbs stack to what we started with + push(@Crumbs,$last); + shift(@Crumbs); + # + return $Str; + } + + sub clear_breadcrumbs { + undef(@Crumbs); + } + + sub add_breadcrumb { + push (@Crumbs,@_); + } + +} # End of scope for @Crumbs + +############################################################ +############################################################ + + 1; + __END__