--- loncom/interface/lonhtmlcommon.pm 2009/12/22 06:02:44 1.256 +++ loncom/interface/lonhtmlcommon.pm 2011/01/16 22:45:05 1.287 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common html routines # -# $Id: lonhtmlcommon.pm,v 1.256 2009/12/22 06:02:44 faziophi Exp $ +# $Id: lonhtmlcommon.pm,v 1.287 2011/01/16 22:45:05 www Exp $ # # Copyright Michigan State University Board of Trustees # @@ -60,13 +60,19 @@ use Time::Local; use Time::HiRes; use Apache::lonlocal; use Apache::lonnet; +use HTML::Entities(); use LONCAPA; +sub java_not_enabled { + return "\n".''. + &mt('The required Java applet could not be started. Please make sure to have Java installed and active in your browser.'). + "\n"; +} sub coursepreflink { my ($text,$category)=@_; if (&Apache::lonnet::allowed('opa',$env{'request.course.id'})) { - return ''.$text.''; + return '&"').'">'.$text.''; } else { return ''; } @@ -74,15 +80,29 @@ sub coursepreflink { sub raw_href_to_link { my ($message)=@_; - $message=~s/(https?\:\/\/[^\s\'\"]+)(\s|$)/$1<\/tt><\/a>$2/gi; + $message=~s/(https?\:\/\/[^\s\'\"\<]+)([\s\<]|$)/$1<\/tt><\/a>$2/gi; return $message; } +sub entity_encode { + my ($text)=@_; + return &HTML::Entities::encode($text, '<>&"'); +} + +sub direct_parm_link { + my ($linktext,$symb,$filter,$part,$target)=@_; + $symb=&entity_encode($symb); + $filter=&entity_encode($filter); + $part=&entity_encode($part); + if (($symb) && (&Apache::lonnet::allowed('opa')) && ($target ne 'tex')) { + return "$linktext"; + } else { + return $linktext; + } +} ############################################## ############################################## -=pod - =item confirm_success Successful completion of an operation message @@ -92,7 +112,7 @@ Successful completion of an operation me sub confirm_success { my ($message,$failure)=@_; if ($failure) { - return ''."\n" + return ''."\n" .''.&mt('Error').' '."\n" .$message."\n" .''."\n"; @@ -123,7 +143,7 @@ sub dragmath_button { my ($textarea,$helpicon) = @_; my $help_text; if ($helpicon) { - $help_text = &Apache::loncommon::help_open_topic('Authoring_Math_Editor'); + $help_text = &Apache::loncommon::help_open_topic('Authoring_Math_Editor',undef,undef,undef,undef,'mathhelpicon_'.$textarea); } my $buttontext=&mt('Edit Math'); return < 0 ? $step : 1; + $$prog_state{'done'} += $step; + + # Catch (max modulo step) <> 0 + my $current = $$prog_state{'done'}; + my $last = ($$prog_state{'max'} - $current); + if ($last <= 0) { + $last = 1; + $current = $$prog_state{'max'}; + } + my $time_est= (&Time::HiRes::time() - $$prog_state{'firststart'})/ - $$prog_state{'done'} * - ($$prog_state{'max'}-$$prog_state{'done'}); + $current * $last; $time_est = int($time_est); # my $min = int($time_est/60); my $sec = $time_est % 60; - # - my $str; - if ($min == 0 && $sec > 1) { - $str = '[_2] seconds'; - } elsif ($min == 1 && $sec > 1) { - $str = '1 minute [_2] seconds'; - } elsif ($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()-$$prog_state{'laststart'}; if ($lasttime > 9) { $lasttime = int($lasttime); @@ -1085,27 +1100,24 @@ sub Increment_PrgWin { } else { $lasttime = sprintf("%3.2f",$lasttime); } - if ($lasttime == 1) { - $lasttime = '('.$lasttime.' '.&mt('second for').' '.$extraInfo.')'; - } else { - $lasttime = '('.$lasttime.' '.&mt('seconds for').' '.$extraInfo.')'; - } - # - my $user_browser = $env{'browser.type'} if (exists($env{'browser.type'})); - my $user_os = $env{'browser.os'} if (exists($env{'browser.os'})); - if (! defined($user_browser) || ! defined($user_os)) { - (undef,$user_browser,undef,undef,undef,$user_os) = - &Apache::loncommon::decode_user_agent(); - } - if ($user_browser eq 'explorer' && $user_os =~ 'mac') { - $lasttime = ''; - } + + $sec = 0 if ($min >= 10); # Don't show seconds if remaining time >= 10 min. + $sec = 1 if ( ($min == 0) && ($sec == 0) ); # Little cheating: pretend to have 1 second remaining instead of 0 to have something to display + + my $timeinfo = + &mt('[_1]/[_2]:' + .' [quant,_3,minute,minutes,] [quant,_4,second ,seconds ,]remaining' + .' ([quant,_5,second] for '.$extraInfo.')', + $current, + $$prog_state{'max'}, + $min, + $sec, + $lasttime); + &r_print($r,&Apache::lonhtmlcommon::scripttag( $$prog_state{'window'}.'.document.'. $$prog_state{'formname'}.'.'. - $$prog_state{'inputname'}.'.value="'. - $$prog_state{'done'}.'/'.$$prog_state{'max'}. - ': '.$time_est.' '.&mt('remaining').' '.$lasttime.'";' + $$prog_state{'inputname'}.'.value="'.$timeinfo.'";' )); $$prog_state{'laststart'}=&Time::HiRes::time(); } @@ -1222,57 +1234,25 @@ sub spelllink { ENDLINK } -# ------------------------------------------------- Output headers for HTMLArea - -{ - my @htmlareafields; - sub init_htmlareafields { - undef(@htmlareafields); - } - - sub add_htmlareafields { - my (@newfields) = @_; - push(@htmlareafields,@newfields); - } - - sub get_htmlareafields { - return @htmlareafields; - } -} +# ------------------------------------------------- Output headers for CKEditor sub htmlareaheaders { my $s=""; - if (!&htmlareablocked() && &htmlareabrowser()) { + if (&htmlareabrowser()) { $s.=(< ENDEDITOR } $s.=(< + ENDJQUERY return $s; } # ----------------------------------------------------------------- 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').''; -} - # ------------------------------------------------- lang to use in html editor sub htmlarea_lang { my $lang='en'; @@ -1285,16 +1265,36 @@ sub htmlarea_lang { # ----------------------------------------- Script to activate only some fields sub htmlareaselectactive { - my @fields=@_; + my ($args) = @_; unless (&htmlareabrowser()) { return ''; } - if (&htmlareablocked()) { return '
'.&enablelink(@fields); } - my $output='
'. - &disablelink(@fields); + .''; return $output; } @@ -1404,6 +1424,29 @@ sub htmlareabrowser { return 1; } +# +# Should the "return to content" link be shown? +# + +sub show_return_link { + if (($env{'request.noversionuri'} =~ m{^/adm/(viewclasslist|navmaps)($|\?)}) + || ($env{'request.noversionuri'} =~ m{^/adm/.*/aboutme($|\?)})) { + + return if ($env{'form.register'}); + } + return (($env{'request.noversionuri'}=~m{^/(res|public)/} && + $env{'request.symb'} eq '') + || + ($env{'request.noversionuri'}=~ m{^/cgi-bin/printout.pl}) + || + (($env{'request.noversionuri'}=~/^\/adm\//) && + ($env{'request.noversionuri'}!~/^\/adm\/wrapper\//) && + ($env{'request.noversionuri'}!~ + m{^/adm/.*/(smppg|bulletinboard)($|\?)}) + )); +} + + ############################################################ ############################################################ @@ -1469,8 +1512,9 @@ returns: nothing if ($menulink) { my $description = 'Menu'; my $no_mt_descr = 0; - if (exists($env{'request.course.id'}) && - $env{'request.course.id'} ne '') { + if ((exists($env{'request.course.id'})) && + ($env{'request.course.id'} ne '') && + ($env{'course.'.$env{'request.course.id'}.'.description'} ne '')) { $description = $env{'course.'.$env{'request.course.id'}.'.description'}; $no_mt_descr = 1; @@ -1488,29 +1532,39 @@ returns: nothing $last = $menulink; } } - my $links = join "", - map { - $faq = $_->{'faq'} if (exists($_->{'faq'})); - $bug = $_->{'bug'} if (exists($_->{'bug'})); - $help = $_->{'help'} if (exists($_->{'help'})); - - my $result = htmltag( 'a', - $_->{no_mt} ? - $_->{text} : mt($_->{text}), - { - href => $_->{href}, - title => $_->{no_mt} ? - $_->{title} : mt($_->{title}), - target => $_->{target}, - }); - $result = htmltag( 'li', "$result $crumbsymbol"); - } @Crumbs; + my $links; + if ((&show_return_link) && (!$CourseBreadcrumbs)) { + $links=&htmltag( 'a',"", + { href => '/adm/flip?postdata=return:', + title => &mt("Back to most recent content resource") }); + } + $links.= join "", + map { + $faq = $_->{'faq'} if (exists($_->{'faq'})); + $bug = $_->{'bug'} if (exists($_->{'bug'})); + $help = $_->{'help'} if (exists($_->{'help'})); + + my $result = $_->{no_mt} ? $_->{text} : &mt($_->{text}); + + if ($_->{href}){ + $result = &htmltag( 'a', $result, + { href => $_->{href}, + title => $_->{no_mt} ? $_->{title} : &mt($_->{title}), + target => $_->{target}, }); + } + + $result = &htmltag( 'li', "$result $crumbsymbol"); + } @Crumbs; #should the last Element be translated? - $links .= htmltag( 'li', - htmltag( 'b', - $last->{'no_mt'} ? - $last->{'text'} : mt($last->{'text'}) )); + + my $lasttext = $last->{'no_mt'} ? $last->{'text'} + : mt( $last->{'text'} ); + + # last breadcrumb is the first order heading of a page + # for course breadcrumbs it's just bold + $links .= &htmltag( 'li', htmltag($CourseBreadcrumbs ? 'b' : 'h1', + $lasttext), {title => $lasttext}); my $icons = ''; $faq = $last->{'faq'} if (exists($last->{'faq'})); @@ -1532,25 +1586,23 @@ returns: nothing unless ($CourseBreadcrumbs) { - $links = htmltag('ol', $links, { id => "LC_MenuBreadcrumbs" }); + $links = &htmltag('ol', $links, { id => "LC_MenuBreadcrumbs" }); } else { - $links = htmltag('ul', $links, { class => "LC_CourseBreadcrumbs" }); + $links = &htmltag('ul', $links, { class => "LC_CourseBreadcrumbs" }); } if ($component) { - $links = htmltag('span', + $links = &htmltag('span', ( $no_mt ? $component : mt($component) ). ( $icons ? $icons : '' ), { class => 'LC_breadcrumbs_component' } ) .$links; } - #SD START (work in progress!) - add_tools(\$links); - #SD END - $links = htmltag('div', $links, + &render_tools(\$links); + $links = &htmltag('div', $links, { id => "LC_breadcrumbs" }) unless ($CourseBreadcrumbs) ; - add_advtools(\$links); + &render_advtools(\$links); # Return the @Crumbs stack to what we started with push(@Crumbs,$last); @@ -1568,55 +1620,104 @@ returns: nothing push(@Crumbs,@_); } +=item add_breadcrumb_tool($category, $html) + +Adds $html to $category of the breadcrumb toolbar container. + +$html is usually a link to a page that invokes a function on the currently +displayed data (e.g. print when viewing a problem) + +Currently there are 3 possible values for $category: + +=over + +=item navigation +left of breadcrumbs line + +=item tools +right of breadcrumbs line + +=item advtools +advanced tools shown in a separate box below breadcrumbs line + +=back + +returns: nothing + +=cut - #SD START (work in progress!) sub add_breadcrumb_tool { - my ($category, $html) = @_; - return unless $html; - if (!defined(%tools)) { - my %tools = ( A => [], B => [], C => []); + my ($category, @html) = @_; + return unless @html; + if (!keys(%tools)) { + %tools = ( navigation => [], tools => [], advtools => []); } - push @{$tools{$category}}, $html; + + #this cleans data received from lonmenu::innerregister + @html = grep {defined $_ && $_ ne ''} @html; + for (@html) { + s/align="(right|left)"//; + s/// if $category ne 'advtools'; + } + + push @{$tools{$category}}, @html; } +=item clear_breadcrumb_tools() + +Clears the breadcrumb toolbar container. + +returns: nothing + +=cut + sub clear_breadcrumb_tools { undef(%tools); } - sub add_tools { - my ($links) = @_; - return unless defined %tools; - my $html = '
    '; - for my $category ('A','B') { - $html .= '
  • ' - . '
      "; - for my $item (@{$tools{$category}}){ - #SD ugly! I'll fix that later on - $item =~ s/align="(right|left)"//; - $item =~ s///; - $html .= "
    • $item
      • "; - } - $html .= '
    • '; - if ($category eq 'A') { $html .= "
  • $$links
    • "; } - } - $$links = $html.'
'; - } - - sub add_advtools { - my ($links) = @_; - return unless (defined $tools{'C'}) and (scalar (@{$tools{'C'}}) > 0); - my $html = start_funclist(); - for my $item (@{$tools{'C'}}){ - next unless $item; - $item =~ s/align="(right|left)"//; - $html .= add_item_funclist($item); - } - $html .= end_funclist(); - $html = Apache::loncommon::head_subbox($html); - $$links .= $html; +=item render_tools(\$breadcrumbs) + +Creates html for breadcrumb tools (categories navigation and tools) and inserts +\$breadcrumbs at the correct position. + +input: \$breadcrumbs - a reference to the string containing prepared +breadcrumbs. + +returns: nothing +=cut + +#TODO might split this in separate functions for each category + sub render_tools { + my ($breadcrumbs) = @_; + return unless (keys(%tools)); + + my $navigation = list_from_array($tools{navigation}, + { listattr => { class=>"LC_breadcrumb_tools_navigation" } }); + my $tools = list_from_array($tools{tools}, + { listattr => { class=>"LC_breadcrumb_tools_tools" } }); + $$breadcrumbs = list_from_array([$navigation, $tools, $$breadcrumbs], + { listattr => { class=>'LC_breadcrumb_tools_outerlist' } }); + } + +=item render_advtools(\$breadcrumbs) + +Creates html for advanced tools (category advtools) and inserts \$breadcrumbs +at the correct position. + +input: \$breadcrumbs - a reference to the string containing prepared +breadcrumbs (after render_tools call). + +returns: nothing +=cut + + sub render_advtools { + my ($breadcrumbs) = @_; + return unless (defined $tools{'advtools'}) + and (scalar(@{$tools{'advtools'}}) > 0); + + $$breadcrumbs .= Apache::loncommon::head_subbox( + funclist_from_array($tools{'advtools'}) ); } - #SD END } # End of scope for @Crumbs @@ -1749,7 +1850,6 @@ ENDTWO } # End: row_count block for pick_box - sub role_select_row { my ($roles,$title,$css_class,$show_separate_custom,$cdom,$cnum) = @_; my $crstype = 'Course'; @@ -1795,15 +1895,15 @@ sub role_select_row { sub course_select_row { my ($title,$formname,$totcodes,$codetitles,$idlist,$idlist_titles, - $css_class,$crstype) = @_; + $css_class,$crstype,$standardnames) = @_; my $output = &row_title($title,$css_class); - $output .= &course_selection($formname,$totcodes,$codetitles,$idlist,$idlist_titles,$crstype); + $output .= &course_selection($formname,$totcodes,$codetitles,$idlist,$idlist_titles,$crstype,$standardnames); $output .= &row_closure(); return $output; } sub course_selection { - my ($formname,$totcodes,$codetitles,$idlist,$idlist_titles,$crstype) = @_; + my ($formname,$totcodes,$codetitles,$idlist,$idlist_titles,$crstype,$standardnames) = @_; my $output = qq|