--- loncom/interface/lonhtmlcommon.pm 2009/11/21 22:36:23 1.247 +++ loncom/interface/lonhtmlcommon.pm 2011/10/23 00:50:58 1.285.2.3 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common html routines # -# $Id: lonhtmlcommon.pm,v 1.247 2009/11/21 22:36:23 www Exp $ +# $Id: lonhtmlcommon.pm,v 1.285.2.3 2011/10/23 00:50:58 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -60,23 +60,38 @@ use Time::Local; use Time::HiRes; use Apache::lonlocal; use Apache::lonnet; +use HTML::Entities(); use LONCAPA; +sub java_not_enabled { + return "\n".'<span class="LC_error">'. + &mt('The required Java applet could not be started. Please make sure to have Java installed and active in your browser.'). + "</span>\n"; +} sub coursepreflink { my ($text,$category)=@_; if (&Apache::lonnet::allowed('opa',$env{'request.course.id'})) { - return '<a href="/adm/courseprefs?phase=display&actions='.$category.'">'.$text.'</a>'; + return '<a href="'.&HTML::Entities::encode("/adm/courseprefs?phase=display&actions=$category",'<>&"').'">'.$text.'</a>'; } else { return ''; } } +sub raw_href_to_link { + my ($message)=@_; + $message=~s/(https?\:\/\/[^\s\'\"\<]+)([\s\<]|$)/<a href="$1"><tt>$1<\/tt><\/a>$2/gi; + return $message; +} + +sub entity_encode { + my ($text)=@_; + return &HTML::Entities::encode($text, '<>&"'); +} + ############################################## ############################################## -=pod - =item confirm_success Successful completion of an operation message @@ -86,7 +101,7 @@ Successful completion of an operation me sub confirm_success { my ($message,$failure)=@_; if ($failure) { - return '<span class="LC_error">'."\n" + return '<span class="LC_error" style="font-size: inherit;">'."\n" .'<img src="/adm/lonIcons/navmap.wrong.gif" alt="'.&mt('Error').'" /> '."\n" .$message."\n" .'</span>'."\n"; @@ -117,7 +132,7 @@ sub dragmath_button { my ($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 $buttontext=&mt('Edit Math'); return <<ENDDRAGMATH; @@ -133,7 +148,6 @@ ENDDRAGMATH Javascript used to open pop-up window containing dragmath applet which can be used to paste LaTeX into a textarea. - =cut sub dragmath_js { @@ -232,6 +246,9 @@ sub select_recent { unless ($value =~/^error\:/) { my $escaped = &Apache::loncommon::escape_url($value); &Apache::loncommon::inhibit_menu_check(\$escaped); + if ($area eq 'residx') { + next if ((!&Apache::lonnet::allowed('bre',$value)) && (!&Apache::lonnet::allowed('bro',$value))); + } $return.="\n<option value='$escaped'>". &unescape((split(/\&/,$recent{$value}))[1]). '</option>'; @@ -374,7 +391,8 @@ dname_hour, dname_min, and dname_sec. 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. +An undefined value is taken to indicate the value is the current time +unless it is requested to leave it empty. See $includeempty. Also, to be explicit, a value of 'now' also indicates the current time. =item $special @@ -384,6 +402,9 @@ the date_setter. See lonparmset for exa =item $includeempty +If it is set (true) and no date/time value is provided, +the date/time fields are left empty. + =item $state Specifies the initial state of the form elements. Either 'disabled' or empty. @@ -403,7 +424,11 @@ sub date_setter { my ($formname,$dname,$currentvalue,$special,$includeempty,$state, $no_hh_mm_ss,$defhour,$defmin,$defsec,$nolink) = @_; my $now = time; - my $wasdefined=1; + + my $tzname; + my ($sec,$min,$hour,$mday,$month,$year) = ('', '', undef,''.''.''); + #other potentially useful values: wkday,yrday,is_daylight_savings + if (! defined($state) || $state ne 'disabled') { $state = ''; } @@ -411,33 +436,24 @@ sub date_setter { $no_hh_mm_ss = 0; } if ($currentvalue eq 'now') { - $currentvalue = $now; + $currentvalue = $now; } - if ((!defined($currentvalue)) || ($currentvalue eq '')) { - $wasdefined=0; - if ($includeempty) { - $currentvalue = 0; - } else { - $currentvalue = $now; - } + + # Default value: Set empty date field to current time + # unless empty inclusion is requested + if ((!$includeempty) && (!$currentvalue)) { + $currentvalue = $now; } - # other potentially useful values: wkday,yrday,is_daylight_savings - my $tzname; - my ($sec,$min,$hour,$mday,$month,$year)=('','',undef,'','',''); + # Do we have a date? Split it! if ($currentvalue) { - ($tzname,$sec,$min,$hour,$mday,$month,$year) = &get_timedates($currentvalue); - } - unless ($wasdefined) { - ($tzname,$sec,$min,$hour,$mday,$month,$year) = &get_timedates($now); - if (($defhour) || ($defmin) || ($defsec)) { - $sec=($defsec?$defsec:0); - $min=($defmin?$defmin:0); - $hour=($defhour?$defhour:0); - } elsif (!$includeempty) { - $sec=0; - $min=0; - $hour=0; - } + ($tzname,$sec,$min,$hour,$mday,$month,$year) = &get_timedates($currentvalue); + + #No values provided for hour, min, sec? Use default 0 + if (($defhour) || ($defmin) || ($defsec)) { + $sec = ($defsec ? $defsec : 0); + $min = ($defmin ? $defmin : 0); + $hour = ($defhour ? $defhour : 0); + } } my $result = "\n<!-- $dname date setting form -->\n"; $result .= <<ENDJS; @@ -922,7 +938,7 @@ Returns: none =item Increment_PrgWin -Increment the count of items completed for the progress window by 1. +Increment the count of items completed for the progress window by $step or 1 if no step is provided. Inputs: @@ -935,6 +951,8 @@ Inputs: =item $extraInfo A description of the items being iterated over. Typically 'student'. +=item $step (optional) counter step. Will be set to default 1 if ommited. step must be greater than 0 or empty. + =back Returns: none @@ -1044,30 +1062,25 @@ sub Update_PrgWin { # increment progress state sub Increment_PrgWin { - my ($r,$prog_state,$extraInfo)=@_; - $$prog_state{'done'}++; + my ($r,$prog_state,$extraInfo,$step)=@_; + $step = $step > 0 ? $step : 1; + $$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); @@ -1076,27 +1089,24 @@ 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(); } @@ -1127,47 +1137,45 @@ sub r_print { # ------------------------------------------------------- Puts directory header sub crumbs { - my ($uri,$target,$prefix,$form,$size,$noformat,$skiplast)=@_; - if (! defined($size)) { - $size = '+2'; - } + my ($uri,$target,$prefix,$form,$skiplast)=@_; if ($target) { $target = ' target="'. &Apache::loncommon::escape_single($target).'"'; } - my $output=''; - unless ($noformat) { $output.='<br /><tt><b>'; } - $output.='<font size="'.$size.'">'.$prefix.'/'; - if (($env{'user.adv'}) | ($env{'user.author'})) { - my $path=$prefix.'/'; - foreach my $dir (split('/',$uri)) { + my $output='<span class="LC_filename">'; + $output.=$prefix.'/'; + if (($env{'user.adv'}) || ($env{'user.author'})) { + my $path=$prefix.'/'; + foreach my $dir (split('/',$uri)) { if (! $dir) { next; } $path .= $dir; - if ($path eq $uri) { - if ($skiplast) { - $output.=$dir; + if ($path eq $uri) { + if ($skiplast) { + $output.=$dir; last; - } - } else { - $path.='/'; - } + } + } else { + $path.='/'; + } my $href_path = &HTML::Entities::encode($path,'<>&"'); - &Apache::loncommon::inhibit_menu_check(\$href_path); - if ($form) { - my $href = 'javascript:'.$form.".action='".$href_path."';".$form.'.submit();'; - $output.=qq{<a href="$href" $target>$dir</a>/}; - } else { - $output.=qq{<a href="$href_path" $target>$dir</a>/}; - } - } + &Apache::loncommon::inhibit_menu_check(\$href_path); + if ($form) { + my $href = 'javascript:'.$form.".action='".$href_path."';".$form.'.submit();'; + $output.=qq{<a href="$href"$target>$dir</a>/}; + } else { + $output.=qq{<a href="$href_path"$target>$dir</a>/}; + } + } } else { - foreach my $dir (split('/',$uri)) { + foreach my $dir (split('/',$uri)) { if (! $dir) { next; } - $output.=$dir.'/'; - } + $output.=$dir.'/'; + } } if ($uri !~ m|/$|) { $output=~s|/$||; } - return $output.'</font>'.($noformat?'':'</b></tt><br />'); + $output.='</span>'; + + return $output; } # --------------------- A function that generates a window for the spellchecker @@ -1215,50 +1223,25 @@ 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 { - return if (&htmlareablocked()); - return if (!&htmlareabrowser()); - return (<<ENDHEADERS); -<script type="text/javascript" src="/fckeditor/fckeditor.js"></script> -ENDHEADERS + my $s=""; + if (&htmlareabrowser()) { + $s.=(<<ENDEDITOR); +<script type="text/javascript" src="/ckeditor/ckeditor.js"></script> +ENDEDITOR + } + $s.=(<<ENDJQUERY); +<script type="text/javascript" src="/adm/jQuery/js/jquery-1.6.2.min.js"></script> +<script type="text/javascript" src="/adm/jQuery/js/jquery-ui-1.8.16.custom.min.js"></script> +<link rel="stylesheet" type="text/css" href="/adm/jQuery/css/smoothness/jquery-ui-1.8.16.custom.css" /> +ENDJQUERY + return $s; } # ----------------------------------------------------------------- Preferences -sub disablelink { - my @fields=@_; - if (defined($#fields)) { - unless ($#fields>=0) { return ''; } - } - return '<a href="'.&HTML::Entities::encode('/adm/preferences?action=set_wysiwyg&wysiwyg=off&returnurl=','<>&"').&escape($ENV{'REQUEST_URI'}).'">'.&mt('Disable WYSIWYG Editor').'</a>'; -} - -sub enablelink { - my @fields=@_; - if (defined($#fields)) { - unless ($#fields>=0) { return ''; } - } - return '<a href="'.&HTML::Entities::encode('/adm/preferences?action=set_wysiwyg&wysiwyg=on&returnurl=','<>&"').&escape($ENV{'REQUEST_URI'}).'">'.&mt('Enable WYSIWYG Editor').'</a>'; -} - # ------------------------------------------------- lang to use in html editor sub htmlarea_lang { my $lang='en'; @@ -1271,27 +1254,149 @@ sub htmlarea_lang { # ----------------------------------------- Script to activate only some fields sub htmlareaselectactive { - my @fields=@_; + my ($args) = @_; unless (&htmlareabrowser()) { return ''; } - if (&htmlareablocked()) { return '<br />'.&enablelink(@fields); } - my $output='<script type="text/javascript" defer="1">'."\n" + my $output='<script type="text/javascript" defer="defer">'."\n" .'// <![CDATA['."\n"; my $lang = &htmlarea_lang(); - foreach my $field (@fields) { - $output.=" -{ - var oFCKeditor = new FCKeditor('$field'); - oFCKeditor.Config['CustomConfigurationsPath'] = - '/fckeditor/loncapaconfig.js'; - oFCKeditor.ReplaceTextarea(); - oFCKeditor.Config['AutoDetectLanguage'] = false; - oFCKeditor.Config['DefaultLanguage'] = '$lang'; -}"; + my $fullpage = 'false'; + my ($dragmath_prefix,$dragmath_helpicon,$dragmath_whitespace); + if (ref($args) eq 'HASH') { + if (exists($args->{'lang'})) { + if ($args->{'lang'} ne '') { + $lang = $args->{'lang'}; + } + } + if (exists($args->{'fullpage'})) { + if ($args->{'fullpage'} eq 'true') { + $fullpage = $args->{'fullpage'}; + } + } + if (exists($args->{'dragmath'})) { + if ($args->{'dragmath'} ne '') { + $dragmath_prefix = $args->{'dragmath'}; + $dragmath_helpicon=&Apache::loncommon::lonhttpdurl("/adm/help/help.png"); + $dragmath_whitespace=&Apache::loncommon::lonhttpdurl("/adm/lonIcons/transparent1x1.gif"); + } + } + } + $output.=' + + function containsBlockHtml(id) { + var re = $("#"+id).html().search(/(?:\<\;|\<)(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div)[\s]*((?:[\/]*[\s]*(?:\>\;|\>)|(?:\>\;|\>)[\s\S]*(?:\<\;|\<)\/[\s]*\1[\s]*\(?:\>\;|\>))/im); + return (re >= 0); + } + + function startRichEditor(id) { + CKEDITOR.replace(id, + { + customConfig: "/ckeditor/loncapaconfig.js", + language : "'.$lang.'", + fullPage : '.$fullpage.', + } + ); + } + + function destroyRichEditor(id) { + CKEDITOR.instances[id].destroy(); + } + + function editorHandler(event) { + var rawid = $(this).attr("id"); + var id = new RegExp("LC_rt_(.*)").exec(rawid)[1]; + event.preventDefault(); + var rt_enabled = $(this).hasClass("LC_enable_rt"); + if (rt_enabled) { + startRichEditor(id); + $("#LC_rt_"+id).html("<b>« Plain text</b>"); + $("#LC_rt_"+id).attr("title", "Disable rich text formatting and edit in plain text"); + $("#LC_rt_"+id).addClass("LC_disable_rt"); + $("#LC_rt_"+id).removeClass("LC_enable_rt"); + } else { + destroyRichEditor(id); + $("#LC_rt_"+id).html("<b>Rich formatting »</b>"); + $("#LC_rt_"+id).attr("title", "Enable rich text formatting (bold, italic, etc.)"); + $("#LC_rt_"+id).addClass("LC_enable_rt"); + $("#LC_rt_"+id).removeClass("LC_disable_rt"); + }'; + if ($dragmath_prefix ne '') { + $output .= "\n var visible = ''; + if (rt_enabled) { + visible = 'none'; + } + editmath_visibility(id,visible);\n"; + } + $output .= ' + } + $(document).ready(function(){ + $(".LC_richAlwaysOn").each(function() { + startRichEditor($(this).attr("id")); + }); + $(".LC_richDetectHtml").each(function() { + var id = $(this).attr("id"); + var rt_enabled = containsBlockHtml(id); + if(rt_enabled) { + $(this).before("<div><a href=\"#\" id=\"LC_rt_"+id+"\" title=\"Disable rich text formatting and edit in plain text\" class=\"LC_disable_rt\"><b>« Plain text</b></a></div>"); + startRichEditor(id); + $("#LC_rt_"+id).click(editorHandler); + } + else { + $(this).before("<div><a href=\"#\" id=\"LC_rt_"+id+"\" title=\"Enable rich text formatting (bold, italic, etc.)\" class=\"LC_enable_rt\"><b>Rich formatting »</b></a></div>"); + $("#LC_rt_"+id).click(editorHandler); + }'; + if ($dragmath_prefix ne '') { + $output .= "\n var visible = ''; + if (rt_enabled) { + visible = 'none'; + } + editmath_visibility(id,visible);\n"; + } + $output .= ' + }); + $(".LC_richDefaultOn").each(function() { + var id = $(this).attr("id"); + $(this).before("<div><a href=\"#\" id=\"LC_rt_"+id+"\" title=\"Disable rich text formatting and edit in plain text\" class=\"LC_disable_rt\"><b>« Plain text</b></a></div>"); + startRichEditor(id); + $("#LC_rt_"+id).click(editorHandler); + }); + $(".LC_richDefaultOff").each(function() { + var id = $(this).attr("id"); + $(this).before("<div><a href=\"#\" id=\"LC_rt_"+id+"\" title=\"Enable rich text formatting (bold, italic, etc.)\" class=\"LC_enable_rt\"><b>Rich formatting »</b></a></div>"); + $("#LC_rt_"+id).click(editorHandler); + }); + }); +'; + if ($dragmath_prefix ne '') { + $output .= ' + + function editmath_visibility(id,value) { + + if ((id == "") || (id == null)) { + return; + } + var mathid = "'.$dragmath_prefix.'_"+id; + mathele = document.getElementById(mathid); + if (mathele == null) { + return; + } + mathele.style.display = value; + var mathhelpicon = "'.$dragmath_prefix.'helpicon'.'_"+id; + mathhelpiconele = document.getElementById(mathhelpicon); + if (mathhelpiconele == null) { + return; + } + if (value == "none") { + mathhelpiconele.src = "'.$dragmath_whitespace.'"; + } else { + mathhelpiconele.src = "'.$dragmath_helpicon.'"; + } + } +'; + } $output.="\nwindow.status='Activated Editfields';\n" .'// ]]>'."\n" - .'</script><br />'. - &disablelink(@fields); + .'</script>'; return $output; } @@ -1373,8 +1478,9 @@ returns: nothing if ($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; @@ -1393,28 +1499,32 @@ returns: nothing } } 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; + 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'})); @@ -1449,12 +1559,10 @@ returns: nothing .$links; } - #SD START (work in progress!) - add_tools(\$links); - #SD END + 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,$last); @@ -1472,55 +1580,106 @@ returns: nothing push(@Crumbs,@_); } +=item add_breadcrumb_tool($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 $_ && $_ ne ''} @html; + for (@html) { + s/align="(right|left)"//; + if (($category ne 'advtools') && ($category ne 'tools')) { + s/<span.*?\/span>//; + } + } + + push @{$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 = '<ul class="LC_bct">'; - for my $category ('A','B') { - $html .= '<li class="LC_breadcrumb_tools">' - . '<ul class="LC_breadcrumb_tools' - . " LC_breadcrumb_tools_$category\">"; - for my $item (@{$tools{$category}}){ - #SD ugly! I'll fix that later on - $item =~ s/align="(right|left)"//; - $item =~ s/<span(.*?)\/span>//; - $html .= "<li>$item</li>"; - } - $html .= '</li></ul>'; - if ($category eq 'A') { $html .= "<li>$$links</li>"; } - } - $$links = $html.'</ul>'; - } - - sub add_advtools { - my ($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($tools{'advtools'}) ); } - #SD END } # End of scope for @Crumbs @@ -1653,7 +1812,6 @@ ENDTWO } # End: row_count block for pick_box - sub role_select_row { my ($roles,$title,$css_class,$show_separate_custom,$cdom,$cnum) = @_; my $crstype = 'Course'; @@ -1699,15 +1857,15 @@ sub role_select_row { sub course_select_row { my ($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 $output = qq| <script type="text/javascript"> // <![CDATA[ @@ -1754,7 +1912,7 @@ sub course_selection { if ($numtitles > 0) { $output .= '<input type="radio" name="coursepick" value="category" onclick="coursePick(this.form);alert('."'".&mt('Choose categories, from left to right')."'".')" />'.&mt('Pick courses by category:').' <br />'; $output .= '<table><tr><td>'.$$codetitles[0].'<br />'."\n". - '<select name="'.$$codetitles[0]. + '<select name="'.$standardnames->[0]. '" onChange="setPick(this.form);courseSet('."'$$codetitles[0]'".')">'."\n". ' <option value="-1" />Select'."\n"; my @items = (); @@ -1784,7 +1942,7 @@ sub course_selection { $output .= '</select></td>'; for (my $i=1; $i<$numtitles; $i++) { $output .= '<td>'.$$codetitles[$i].'<br />'."\n". - '<select name="'.$$codetitles[$i]. + '<select name="'.$standardnames->[$i]. '" onChange="courseSet('."'$$codetitles[$i]'".')">'."\n". '<option value="-1"><-Pick '.$$codetitles[$i-1].'</option>'."\n". '</select>'."\n". @@ -1876,32 +2034,53 @@ sub course_custom_roles { } +sub resource_info_box { + my ($symb,$onlyfolderflag)=@_; + my $return=''; + if ($symb) { + $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(). + '<th>'.&mt('Folder:').'</th><td>'.$folder.'</td>'. + &Apache::loncommon::end_data_table_row(); + unless ($onlyfolderflag) { + $return.=&Apache::loncommon::start_data_table_row(). + '<th>'.&mt('Resource:').'</th><td>'.&Apache::lonnet::gettitle($symb).'</td>'. + &Apache::loncommon::end_data_table_row(); + } + $return.=&Apache::loncommon::end_data_table(); + } else { + $return='<p><span class="LC_error">'.&mt('No context provided.').'</span></p>'; + } + return $return; + +} + ############################################## ############################################## # topic_bar # -# Generates a div containing an (optional) numbered (static) image followed by a +# Generates a div containing an (optional) number with a white background followed by a # title with a background color defined in the corresponding CSS: LC_topic_bar # Inputs: -# 1. number to display (corresponding static image should exist). -# img tag will be included if arg is an integer in the range 1 to 9. +# 1. number to display. +# If input for number is empty only the title will be displayed. # 2. title text to display. # Outputs - a scalar containing html mark-up for the div. sub topic_bar { - my ($imgnum,$title) = @_; - my $imgtag; - if ($imgnum =~ /^[1-9]$/) { - $imgtag = '<img src="/res/adm/pages/bl_step'.$imgnum.'.gif"'. - ' alt="'.&mt('Step [_1]',$imgnum).'" /> '; + my ($num,$title) = @_; + my $number = ''; + if ($num ne '') { + $number = '<span>'.$num.'</span>'; } - return '<div class="LC_topic_bar">'.$imgtag.$title.'</div>'; + return '<div class="LC_topic_bar">'.$number.$title.'</div>'; } ############################################## ############################################## - # echo_form_input # # Generates html markup to add form elements from the referrer page @@ -1934,30 +2113,30 @@ 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 .= '<input type="hidden" name="'.$name. - '" value="'.$value.'" />'."\n"; - } - } else { - my $value = &HTML::Entities::encode($env{$key},'<>&"'); - $output .= '<input type="hidden" name="'.$name. - '" value="'.$value.'" />'."\n"; - } + } + next if ($match); + if (ref($env{$key}) eq 'ARRAY') { + foreach my $value (@{$env{$key}}) { + $value = &HTML::Entities::encode($value,'<>&"'); + $output .= '<input type="hidden" name="'.$name. + '" value="'.$value.'" />'."\n"; } + } else { + my $value = &HTML::Entities::encode($env{$key},'<>&"'); + $output .= '<input type="hidden" name="'.$name. + '" value="'.$value.'" />'."\n"; } } } @@ -1966,7 +2145,6 @@ sub echo_form_input { ############################################## ############################################## - # set_form_elements # # Generates javascript to set form elements to values based on @@ -2184,7 +2362,7 @@ sub htmltag{ # USAGE: inittags(@tags); # # EXAMPLES: -# - my ($h1, $h2, $h3) = initTags( qw( h1 h2 h3 ) ) +# - my ($h1, $h2, $h3) = inittags( qw( h1 h2 h3 ) ) # $h1->("This is a headline") #Returns: <h1>This is a headline</h1> # # NOTES: See sub htmltag for further information. @@ -2233,6 +2411,40 @@ sub scripttag { }; +=item list_from_array( \@array, { listattr =>{}, itemattr =>{} } ) + +Constructs a XHTML list from \@array. + +input: + +=over + +=item \@array + +A reference to the array containing text that will be wrapped in <li></li> tags. + +=item { listattr => {}, itemattr =>{} } + +Attributes for <ul> and <li> passed in as hash references. +See htmltag() for more details. + +=back + +returns: XHTML list as String. + +=cut + +# \@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; + return $ul->( $listitems, $args->{listattr} ); +} + + ############################################## ############################################## @@ -2262,12 +2474,6 @@ sub scripttag { # # Outputs: A scalar containing the html markup for the menu. -# ---- Remove when done ---- -# This routine is part of the redesign of LON-CAPA and it's -# subject to change during this project. -# Don't rely on its current functionality as it might be -# changed or removed. -# -------------------------- sub generate_menu { my @menu = @_; # subs for specific html elements @@ -2283,11 +2489,15 @@ 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}) }), { @@ -2390,9 +2600,6 @@ sub add_item_funclist { return '<li>'.$content.'</li>'."\n"; } -############################################## -############################################## - =pod =item &end_funclist @@ -2408,16 +2615,47 @@ add_item_funclist Inputs: ./. Returns: HTML code with function list end - =cut -############################################## -############################################## - sub end_funclist { return "</ul>\n"; } +=pod + +=item funclist_from_array( \@array, {legend => 'text for legend'} ) + +Constructs a XHTML list from \@array with the first item being visually +highlighted and set to the value of legend or 'Functions' if legend is +empty. + +=over + +=item \@array + +A reference to the array containing text that will be wrapped in <li></li> tags. + +=item { legend => 'text' } + +A string that's used as visually highlighted first item. 'Functions' is used if +it's value evaluates to false. + +=back + +returns: XHTML list as string. + +=back + +=cut + +sub funclist_from_array { + my ($items, $args) = @_; + return unless(ref($items) eq 'ARRAY'); + $args->{legend} ||= mt('Functions'); + return list_from_array( [$args->{legend}, @$items], + { listattr => {class => 'LC_funclist'} }); +} + 1; __END__