--- loncom/interface/lonhtmlcommon.pm 2010/07/09 14:40:20 1.280 +++ loncom/interface/lonhtmlcommon.pm 2012/04/16 19:24:59 1.309 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common html routines # -# $Id: lonhtmlcommon.pm,v 1.280 2010/07/09 14:40:20 raeburn Exp $ +# $Id: lonhtmlcommon.pm,v 1.309 2012/04/16 19:24:59 raeburn 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 ''; } @@ -78,10 +84,26 @@ sub raw_href_to_link { 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 $linktext; + } +} ############################################## ############################################## -=item confirm_success +=item &confirm_success() Successful completion of an operation message @@ -107,7 +129,7 @@ sub confirm_success { =pod -=item dragmath_button +=item &dragmath_button() Creates a button that launches a dragmath popup-window, in which an expression can be edited and pasted as LaTeX into a specified textarea. @@ -121,7 +143,7 @@ sub dragmath_button { my ($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 $buttontext=&mt('Edit Math'); return < +END +} + +############################################## + +=pod + +=item &dependencycheck_js() + +Javascript used to open pop-up window containing interface to manage +dependencies for a web page uploaded diretcly to a course. + +=cut + +sub dependencycheck_js { + my ($symb,$title) = @_; + my $link = '/adm/dependencies?symb='.&HTML::Entities::encode($symb,'<>&"'). + '&title='.&HTML::Entities::encode($title,'<>&"'); + return < + // + +ENDJS +} ############################################## ############################################## =pod -=item authorbombs +=item &authorbombs() =cut @@ -295,7 +362,7 @@ sub get_recent_frozen { =pod -=item textbox +=item &textbox() =cut @@ -315,7 +382,7 @@ sub textbox { =pod -=item checkbox +=item &checkbox() =cut @@ -337,7 +404,7 @@ sub checkbox { =pod -=item radiobutton +=item &radiobutton() =cut @@ -361,10 +428,10 @@ sub radio { =pod -=item &date_setter +=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(). +To retrieve values from it, use &get_date_from_form. Inputs @@ -614,7 +681,7 @@ sub build_url { =pod -=item &get_date_from_form +=item &get_date_from_form() get_date_from_form retrieves the date specified in an &date_setter form. @@ -726,13 +793,12 @@ parameter setting wizard. sub pjump_javascript_definition { my $Str = < 1, - 'bgcolor' => '#88DDFF', - 'js_ready' => 1}); - my $end_page = &Apache::loncommon::end_page({'js_ready' => 1}); - - #the whole function called through timeout is due to issues - #in mozilla Read BUG #2665 if you want to know the whole story - &r_print($r,&Apache::lonhtmlcommon::scripttag( - "var popwin; - function openpopwin () { - popwin=open(\'\',\'popwin\',\'width=400,height=100\');". - "popwin.document.writeln(\'".$start_page. - "

".&mt("$heading")."<\/h4>". - "
". - '<\\/form>'.$end_page. - "\');". - "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,&mt("$heading [_1]",' ')); - } else { - $prog_state{'inputname'}=$inputname; - - } - if (!$formname) { &r_print($r,'
'); } - &Update_PrgWin($r,\%prog_state,&mt('Starting')); - } - $prog_state{'done'}=0; $prog_state{'firststart'}=&Time::HiRes::time(); $prog_state{'laststart'}=&Time::HiRes::time(); $prog_state{'max'}=$number_to_do; - + &Apache::loncommon::LCprogressbar($r); return %prog_state; } # update progress sub Update_PrgWin { my ($r,$prog_state,$displayString)=@_; - &r_print($r,&Apache::lonhtmlcommon::scripttag( - $$prog_state{'window'}.'.document.'. - $$prog_state{'formname'}.'.'. - $$prog_state{'inputname'}.'.value="'. - $displayString.'";' - )); + &Apache::loncommon::LCprogressbarUpdate($r,undef,$displayString); $$prog_state{'laststart'}=&Time::HiRes::time(); } @@ -1091,42 +1098,27 @@ sub Increment_PrgWin { $min, $sec, $lasttime); - - &r_print($r,&Apache::lonhtmlcommon::scripttag( - $$prog_state{'window'}.'.document.'. - $$prog_state{'formname'}.'.'. - $$prog_state{'inputname'}.'.value="'.$timeinfo.'";' - )); + my $percent=0; + if ($$prog_state{'max'}) { + $percent=int(100.*$current/$$prog_state{'max'}); + } + &Apache::loncommon::LCprogressbarUpdate($r,$percent,$timeinfo); $$prog_state{'laststart'}=&Time::HiRes::time(); } # close Progress Line sub Close_PrgWin { my ($r,$prog_state)=@_; - if ($$prog_state{'type'} eq 'popup') { - &r_print($r,&Apache::lonhtmlcommon::scripttag( - 'popwin.close()' - )); - } elsif ($$prog_state{'type'} eq 'inline') { - &Update_PrgWin($r,$prog_state,&mt('Done')); - } + &Apache::loncommon::LCprogressbarClose($r); undef(%$prog_state); } -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,$skiplast)=@_; +# You cannot crumbnify uploaded or adm resources + if ($uri=~/^\/*(uploaded|adm)\//) { return &mt('(Internal Course/Group Content)'); } if ($target) { $target = ' target="'. &Apache::loncommon::escape_single($target).'"'; @@ -1164,6 +1156,7 @@ sub crumbs { if ($uri !~ m|/$|) { $output=~s|/$||; } $output.=''; + return $output; } @@ -1212,23 +1205,7 @@ 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=""; @@ -1238,31 +1215,20 @@ sub htmlareaheaders { 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 $lang='en'; @@ -1275,22 +1241,45 @@ sub htmlarea_lang { # ----------------------------------------- Script to activate only some fields sub htmlareaselectactive { - my @fields=@_; + my ($args) = @_; unless (&htmlareabrowser()) { return ''; } my $output='
'; + .''; return $output; } @@ -1367,12 +1450,96 @@ sub htmlareabrowser { return 1; } +# +# Should the "return to content" link be shown? +# + +sub show_return_link { + + unless ($env{'request.course.id'}) { return 0; } + if ($env{'request.noversionuri'}=~m{^/priv/} || + $env{'request.uri'}=~m{^/~}) { return 1; } + + if (($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\//) && + ($env{'request.noversionuri'}!~ + m{^/adm/.*/(smppg|bulletinboard)($|\?)}) + )); +} + + +## +# Set the dueDate variable...note this is done in the timezone +# of the browser. +# +# @param epoch relative time at which the problem is due. +# +# @return the javascript fragment to set the date: +# +sub set_due_date { + my $dueStamp = shift; + my $duems = $dueStamp * 1000; # Javascript Date object needs ms not seconds. + + my $now = time()*1000; + + # This slightly obscure bit of javascript sets the dueDate variable + # to the time in the browser at which the problem was due. + # The code should correct for gross differences between the server + # and client's time setting + + my $js = " + +"; + + return $js; +} +## +# Sets the time at which the problem finished computing. +# This just updates the serverTime and clientTime variables above. +# Calling this in e.g. end_problem provides a better estimate of the +# difference beetween the server and client time setting as +# the difference contains less of the latency/problem compute time. +# +sub set_compute_end_time { + + my $now = time()*1000; # Javascript times are in ms. + my $js = " + + +"; + return $js; + +} + ############################################################ ############################################################ =pod -=item breadcrumbs +=item &breadcrumbs() Compiles the previously registered breadcrumbs into an series of links. Additionally supports a 'component', which will be displayed on the @@ -1390,11 +1557,11 @@ Inputs: $component (the text on the righ when including the text on the right. Returns a string containing breadcrumbs for the current page. -=item clear_breadcrumbs +=item &clear_breadcrumbs() Clears the previously stored breadcrumbs. -=item add_breadcrumb +=item &add_breadcrumb() Pushes a breadcrumb on the stack of crumbs. @@ -1452,22 +1619,30 @@ returns: nothing $last = $menulink; } } - my $links = join "", + my $links; + if ((&show_return_link) && (!$CourseBreadcrumbs)) { + my $alttext = &mt('Go Back'); + $links=&htmltag( 'a',"$alttext", + { href => '/adm/flip?postdata=return:', + title => &mt("Back to most recent content resource") }); + $links=&htmltag('li',$links); + } + $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}); + my $result = $_->{no_mt} ? $_->{text} : &mt($_->{text}); if ($_->{href}){ - $result = htmltag( 'a', $result, + $result = &htmltag( 'a', $result, { href => $_->{href}, - title => $_->{no_mt} ? $_->{title} : mt($_->{title}), + title => $_->{no_mt} ? $_->{title} : &mt($_->{title}), target => $_->{target}, }); } - $result = htmltag( 'li', "$result $crumbsymbol"); + $result = &htmltag( 'li', "$result $crumbsymbol"); } @Crumbs; #should the last Element be translated? @@ -1477,9 +1652,12 @@ returns: nothing # last breadcrumb is the first order heading of a page # for course breadcrumbs it's just bold - $links .= htmltag( 'li', htmltag($CourseBreadcrumbs ? 'b' : 'h1', + + $links .= &htmltag( 'li', htmltag($CourseBreadcrumbs ? 'b' : 'h1', $lasttext), {title => $lasttext}); + $links .= '
    • '; + my $icons = ''; $faq = $last->{'faq'} if (exists($last->{'faq'})); $bug = $last->{'bug'} if (exists($last->{'bug'})); @@ -1497,31 +1675,39 @@ returns: nothing $faq,$bug); } # + 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; + .$links +; } - render_tools(\$links); - $links = htmltag('div', $links, + &render_tools(\$links); + $links = &htmltag('div', $links, { id => "LC_breadcrumbs" }) unless ($CourseBreadcrumbs) ; - render_advtools(\$links); + &render_advtools(\$links); # Return the @Crumbs stack to what we started with push(@Crumbs,$last); shift(@Crumbs); + + # Return the breadcrumb's line + + + return "$links"; } @@ -1534,7 +1720,7 @@ returns: nothing push(@Crumbs,@_); } -=item add_breadcrumb_tool($category, $html) +=item &add_breadcrumb_tool($category, $html) Adds $html to $category of the breadcrumb toolbar container. @@ -1563,7 +1749,7 @@ returns: nothing sub add_breadcrumb_tool { my ($category, @html) = @_; return unless @html; - if (!defined(%tools)) { + if (!keys(%tools)) { %tools = ( navigation => [], tools => [], advtools => []); } @@ -1571,13 +1757,13 @@ returns: nothing @html = grep {defined $_ && $_ ne ''} @html; for (@html) { s/align="(right|left)"//; - s/// if $category ne 'advtools'; +# s/// if $category ne 'advtools'; } push @{$tools{$category}}, @html; } -=item clear_breadcrumb_tools() +=item &clear_breadcrumb_tools() Clears the breadcrumb toolbar container. @@ -1589,7 +1775,7 @@ returns: nothing undef(%tools); } -=item render_tools(\$breadcrumbs) +=item &render_tools(\$breadcrumbs) Creates html for breadcrumb tools (categories navigation and tools) and inserts \$breadcrumbs at the correct position. @@ -1598,12 +1784,13 @@ input: \$breadcrumbs - a reference to th breadcrumbs. returns: nothing + =cut #TODO might split this in separate functions for each category sub render_tools { my ($breadcrumbs) = @_; - return unless defined %tools; + return unless (keys(%tools)); my $navigation = list_from_array($tools{navigation}, { listattr => { class=>"LC_breadcrumb_tools_navigation" } }); @@ -1613,7 +1800,9 @@ returns: nothing { listattr => { class=>'LC_breadcrumb_tools_outerlist' } }); } -=item render_advtools(\$breadcrumbs) +=pod + +=item &render_advtools(\$breadcrumbs) Creates html for advanced tools (category advtools) and inserts \$breadcrumbs at the correct position. @@ -1622,6 +1811,7 @@ input: \$breadcrumbs - a reference to th breadcrumbs (after render_tools call). returns: nothing + =cut sub render_advtools { @@ -1987,26 +2177,41 @@ sub course_custom_roles { sub resource_info_box { - my ($symb,$onlyfolderflag)=@_; + my ($symb,$onlyfolderflag,$stuvcurrent,$stuvdisp)=@_; my $return=''; + if ($stuvcurrent ne '') { + $return = '
    '; + } if ($symb) { - $return=&Apache::loncommon::start_data_table(); + $return.=&Apache::loncommon::start_data_table(); my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symb); my $folder=&Apache::lonnet::gettitle($map); $return.=&Apache::loncommon::start_data_table_row(). - ''.&mt('Folder:').''.$folder.''. + ''.&mt('Folder:').''.$folder.''. &Apache::loncommon::end_data_table_row(); unless ($onlyfolderflag) { $return.=&Apache::loncommon::start_data_table_row(). - ''.&mt('Resource:').''.&Apache::lonnet::gettitle($symb).''. + ''.&mt('Resource:').''.&Apache::lonnet::gettitle($symb).''. + &Apache::loncommon::end_data_table_row(); + } + if ($stuvcurrent ne '') { + $return .= &Apache::loncommon::start_data_table_row(). + ''.&mt("Student's current version:").''.$stuvcurrent.''. + &Apache::loncommon::end_data_table_row(); + } + if ($stuvdisp ne '') { + $return .= &Apache::loncommon::start_data_table_row(). + ''.&mt("Student's version displayed:").''.$stuvdisp.''. &Apache::loncommon::end_data_table_row(); } $return.=&Apache::loncommon::end_data_table(); } else { $return='

    '.&mt('No context provided.').'

    '; } + if ($stuvcurrent ne '') { + $return .= '
    '; + } return $return; - } ############################################## @@ -2065,30 +2270,30 @@ sub echo_form_input { if ($key =~ /^form\.(.+)$/) { my $name = $1; my $match = 0; - if ((!@{$excluded}) || (!grep/^$name$/,@{$excluded})) { - if (defined($regexps)) { - if (@{$regexps} > 0) { - foreach my $regexp (@{$regexps}) { - if ($name =~ /\Q$regexp\E/) { - $match = 1; - last; - } + if (ref($excluded) eq 'ARRAY') { + next if (grep(/^\Q$name\E$/,@{$excluded})); + } + if (ref($regexps) eq 'ARRAY') { + if (@{$regexps} > 0) { + foreach my $regexp (@{$regexps}) { + if ($name =~ /$regexp/) { + $match = 1; + last; } } } - if (!$match) { - if (ref($env{$key})) { - foreach my $value (@{$env{$key}}) { - $value = &HTML::Entities::encode($value,'<>&"'); - $output .= ''."\n"; - } - } else { - my $value = &HTML::Entities::encode($env{$key},'<>&"'); - $output .= ''."\n"; - } + } + next if ($match); + if (ref($env{$key}) eq 'ARRAY') { + foreach my $value (@{$env{$key}}) { + $value = &HTML::Entities::encode($value,'<>&"'); + $output .= ''."\n"; } + } else { + my $value = &HTML::Entities::encode($env{$key},'<>&"'); + $output .= ''."\n"; } } } @@ -2247,6 +2452,251 @@ sub set_form_elements { ############################################## ############################################## +sub file_submissionchk_js { + my ($turninpaths,$multiples) = @_; + my $overwritewarn = &mt('File(s) you uploaded for your submission will overwrite existing file(s) submitted for this item').'\\n'. + &mt('Continue submission and overwrite the file(s)?'); + my $delfilewarn = &mt('You have indicated you wish to remove some files previously included in your submission.').'\\n'. + &mt('Continue submission with these files removed?'); + my ($turninpathtext,$multtext,$arrayindexofjs); + if (ref($turninpaths) eq 'HASH') { + foreach my $key (sort(keys(%{$turninpaths}))) { + $turninpathtext .= " if (prefix == '$key') {\n". + " return '$turninpaths->{$key}';\n". + " }\n"; + } + } + $turninpathtext .= " return '';\n"; + if (ref($multiples) eq 'HASH') { + foreach my $key (sort(keys(%{$multiples}))) { + $multtext .= " if (prefix == '$key') {\n". + " return '$multiples->{$key}';\n". + " }\n"; + } + } + $multtext .= " return '';\n"; + + $arrayindexofjs = &Apache::loncommon::javascript_array_indexof(); + return <<"ENDSCRIPT"; + + +$arrayindexofjs + +ENDSCRIPT +} + +############################################## +############################################## + # javascript_valid_email # # Generates javascript to validate an e-mail address. @@ -2362,8 +2812,9 @@ sub scripttag { return htmltag('script', $content, {type => 'text/javascript'}); }; +=pod -=item list_from_array( \@array, { listattr =>{}, itemattr =>{} } ) +=item &list_from_array( \@array, { listattr =>{}, itemattr =>{} } ) Constructs a XHTML list from \@array. @@ -2389,6 +2840,7 @@ returns: XHTML list as String. # \@items, {listattr => { class => 'abc', id => 'xyx' }, itemattr => {class => 'abc', id => 'xyx'}} sub list_from_array { my ($items, $args) = @_; + return unless (ref($items) eq 'ARRAY'); return unless scalar @$items; my ($ul, $li) = inittags( qw(ul li) ); my $listitems = join '', map { $li->($_, $args->{itemattr}) } @$items; @@ -2440,16 +2892,21 @@ sub generate_menu { # create the markup for the current $link and push it into @links. # each entry consists of an image and a text optionally followed # by a help link. + my $src; + if ($$link{icon} ne '') { + $src = '/res/adm/pages/'.$$link{icon}; + } push(@links,$li->( $a->( $img->("", { class => "LC_noBorder LC_middle", - src => "/res/adm/pages/$$link{icon}", + src => $src, alt => mt(defined($$link{alttext}) ? $$link{alttext} : $$link{linktext}) }), { href => $$link{url}, - title => mt($$link{linktitle}) + title => mt($$link{linktitle}), + class => 'LC_menubuttons_link' }). $a->(mt($$link{linktext}), { href => $$link{url}, @@ -2483,7 +2940,7 @@ sub generate_menu { =pod -=item &start_funclist +=item &start_funclist() Start list of available functions @@ -2523,7 +2980,7 @@ sub start_funclist { =pod -=item &add_item_funclist +=item &add_item_funclist() Adds an item to the list of available functions @@ -2549,7 +3006,7 @@ sub add_item_funclist { =pod -=item &end_funclist +=item &end_funclist() End list of available functions @@ -2570,7 +3027,7 @@ sub end_funclist { =pod -=item funclist_from_array( \@array, {legend => 'text for legend'} ) +=item &funclist_from_array( \@array, {legend => 'text for legend'} ) Constructs a XHTML list from \@array with the first item being visually highlighted and set to the value of legend or 'Functions' if legend is @@ -2597,6 +3054,7 @@ returns: XHTML list as string. sub funclist_from_array { my ($items, $args) = @_; + return unless(ref($items) eq 'ARRAY'); $args->{legend} ||= mt('Functions'); return list_from_array( [$args->{legend}, @$items], { listattr => {class => 'LC_funclist'} });