--- loncom/interface/lonhtmlcommon.pm 2005/08/05 18:14:40 1.111 +++ loncom/interface/lonhtmlcommon.pm 2009/04/07 15:40:38 1.207 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common html routines # -# $Id: lonhtmlcommon.pm,v 1.111 2005/08/05 18:14:40 www Exp $ +# $Id: lonhtmlcommon.pm,v 1.207 2009/04/07 15:40:38 amueller Exp $ # # Copyright Michigan State University Board of Trustees # @@ -60,6 +60,61 @@ use Time::Local; use Time::HiRes; use Apache::lonlocal; use Apache::lonnet; +use LONCAPA; + + +############################################## +############################################## + +=pod + +=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. + + textarea - Name of the textarea to edit. + helpicon - If true, show a help icon to the right of the button. + +=cut + +sub dragmath_button { + my ($textarea,$helpicon) = @_; + my $help_text; + if ($helpicon) { + $help_text = &Apache::loncommon::help_open_topic('Authoring_Math_Editor'); + } + my $buttontext=&mt('Edit Math'); + return <$help_text +ENDDRAGMATH +} + +############################################## + +=pod + +=item dragmath_js + +Javascript used to open pop-up window containing dragmath applet which +can be used to paste LaTeX into a textarea. + +=cut + +sub dragmath_js { + my ($popup) = @_; + return < + function mathedit(textarea, doc) { + targetEntry = textarea; + targetDoc = doc; + newwin = window.open("/adm/dragmath/applet/$popup.html","","width=565,height=500,resizable"); + } + + +ENDDRAGMATHJS +} + ############################################## ############################################## @@ -76,7 +131,7 @@ use Apache::lonnet; sub authorbombs { my $url=shift; $url=&Apache::lonnet::declutter($url); - my ($udom,$uname)=($url=~/^(\w+)\/(\w+)\//); + my ($udom,$uname)=($url=~m{^($LONCAPA::domain_re)/($LONCAPA::username_re)/}); my %bombs=&Apache::lonmsg::all_url_author_res_msg($uname,$udom); foreach (keys %bombs) { if ($_=~/^$udom\/$uname\//) { @@ -93,29 +148,35 @@ sub authorbombs { sub recent_filename { my $area=shift; - return 'nohist_recent_'.&Apache::lonnet::escape($area); + return 'nohist_recent_'.&escape($area); } sub store_recent { - my ($area,$name,$value)=@_; + my ($area,$name,$value,$freeze)=@_; my $file=&recent_filename($area); my %recent=&Apache::lonnet::dump($file); if (scalar(keys(%recent))>20) { # remove oldest value - my $oldest=time; + my $oldest=time(); my $delkey=''; - foreach (keys %recent) { - my $thistime=(split(/\&/,$recent{$_}))[0]; - if ($thistime<$oldest) { + foreach my $item (keys(%recent)) { + my $thistime=(split(/\&/,$recent{$item}))[0]; + if (($thistime ne "always_include") && ($thistime<$oldest)) { $oldest=$thistime; - $delkey=$_; + $delkey=$item; } } &Apache::lonnet::del($file,[$delkey]); } # store new value + my $timestamp; + if ($freeze) { + $timestamp = "always_include"; + } else { + $timestamp = time(); + } &Apache::lonnet::put($file,{ $name => - time.'&'.&Apache::lonnet::escape($value) }); + $timestamp.'&'.&escape($value) }); } sub remove_recent { @@ -130,11 +191,12 @@ sub select_recent { my $return="\n'; return $Str; @@ -201,7 +285,29 @@ sub checkbox { $Str .= 'value="'.$value.'"'; } if ($checked) { - $Str .= ' checked="1"'; + $Str .= ' checked="checked"'; + } + $Str .= ' />'; + return $Str; +} + + +=pod + +=item radiobutton + +=cut + +############################################## +############################################## +sub radio { + my ($name,$checked,$value) = @_; + my $Str = ' + ENDJS - $result .= ' '; + $result .= ' '; my $monthselector = qq{\n"; my $minuteselector = qq{}; my $secondselector= qq{}; - my $cal_link = qq{}; + my $cal_link; + if (!$nolink) { + $cal_link = qq{}; + } # + my $tzone = ' '.$tzname.' '; if ($no_hh_mm_ss) { - $result .= &mt('[_1] [_2] [_3] [_4]Select Date[_5]', - $monthselector,$dayselector,$yearselector, - $cal_link,''); + $result .= &mt('[_1] [_2] [_3] ', + $monthselector,$dayselector,$yearselector). + $tzone; + if (!$nolink) { + $result .= &mt('[_1]Select Date[_2]',$cal_link,''); + } } else { - $result .= &mt('[_1] [_2] [_3] [_4] [_5]m [_6]s [_7]Select Date[_8]', - $monthselector,$dayselector,$yearselector, - $hourselector,$minuteselector,$secondselector, - $cal_link,''); + $result .= &mt('[_1] [_2] [_3] [_4] [_5]m [_6]s ', + $monthselector,$dayselector,$yearselector, + $hourselector,$minuteselector,$secondselector). + $tzone; + if (!$nolink) { + $result .= &mt('[_1]Select Date[_2]',$cal_link,''); + } } - $result .= "\n\n"; + $result .= "\n\n"; return $result; } +sub get_timedates { + my ($epoch) = @_; + my $dt = DateTime->from_epoch(epoch => $epoch) + ->set_time_zone(&Apache::lonlocal::gettimezone()); + my $tzname = $dt->time_zone_short_name(); + my $sec = $dt->second; + my $min = $dt->minute; + my $hour = $dt->hour; + my $mday = $dt->day; + my $month = $dt->month; + if ($month) { + $month --; + } + my $year = $dt->year; + return ($tzname,$sec,$min,$hour,$mday,$month,$year); +} + +sub build_url { + my ($base, $fields)=@_; + my $url; + $url = $base.'?'; + foreach my $key (keys(%$fields)) { + $url.=&escape($key).'='.&escape($$fields{$key}).'&'; + } + $url =~ s/&$//; + return $url; +} + + ############################################## ############################################## @@ -490,20 +633,33 @@ sub get_date_from_form { if (defined($env{'form.'.$dname.'_month'})) { my $tmpmonth = $env{'form.'.$dname.'_month'}; if (($tmpmonth =~ /^\d+$/) && ($tmpmonth > 0) && ($tmpmonth < 13)) { - $month = $tmpmonth - 1; + $month = $tmpmonth; } } if (defined($env{'form.'.$dname.'_year'})) { my $tmpyear = $env{'form.'.$dname.'_year'}; - if (($tmpyear =~ /^\d+$/) && ($tmpyear > 1900)) { - $year = $tmpyear - 1900; + if (($tmpyear =~ /^\d+$/) && ($tmpyear >= 1970)) { + $year = $tmpyear; } } - if (($year<70) || ($year>137)) { return undef; } + if (($year<1970) || ($year>2037)) { 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); + defined($day) && defined($month) && defined($year)) { + my $timezone = &Apache::lonlocal::gettimezone(); + my $dt = DateTime->new( year => $year, + month => $month, + day => $day, + hour => $hour, + minute => $min, + second => $sec, + time_zone => $timezone, + ); + my $epoch_time = $dt->epoch; + if ($epoch_time ne '') { + return $epoch_time; + } else { + return undef; + } } else { return undef; } @@ -573,6 +729,8 @@ sub javascript_nothing { ############################################## ############################################## sub javascript_docopen { + my ($mimetype) = @_; + $mimetype ||= 'text/html'; # safari does not understand document.open() and loads "text/html" my $nothing = "''"; my $user_browser; @@ -586,7 +744,7 @@ sub javascript_docopen { if ($user_browser eq 'safari' && $user_os =~ 'mac') { $nothing = "document.clear()"; } else { - $nothing = "document.open('text/html','replace')"; + $nothing = "document.open('$mimetype','replace')"; } return $nothing; } @@ -623,23 +781,18 @@ Returns: a perl string as described. ############################################## ############################################## sub StatusOptions { - my ($status, $formName,$size,$onchange)=@_; + my ($status, $formName,$size,$onchange,$mult)=@_; $size = 1 if (!defined($size)); if (! defined($status)) { $status = 'Active'; $status = $env{'form.Status'} if (exists($env{'form.Status'})); } - my $OpSel1 = ''; - my $OpSel2 = ''; - my $OpSel3 = ''; - - if($status eq 'Any') { $OpSel3 = ' selected'; } - elsif($status eq 'Expired' ) { $OpSel2 = ' selected'; } - else { $OpSel1 = ' selected'; } - my $Str = ''; $Str .= ''."\n"; } @@ -781,20 +940,25 @@ sub Create_PrgWin { $prog_state{'type'}=$type; if ($type eq 'popup') { $prog_state{'window'}='popwin'; - my $html=&Apache::lonxml::xmlbegin(); + my $start_page = + &Apache::loncommon::start_page($title,undef, + {'only_body' => 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,'"); $prog_state{'formname'}='popremain'; @@ -803,14 +967,13 @@ sub Create_PrgWin { $prog_state{'window'}='window'; if (!$formname) { $prog_state{'formname'}=&get_uniq_name(); - &r_print($r,'
'); + &r_print($r,''); } else { $prog_state{'formname'}=$formname; } if (!$inputname) { $prog_state{'inputname'}=&get_uniq_name(); - &r_print($r,$heading.' '); + &r_print($r,&mt("$heading [_1]",' ')); } else { $prog_state{'inputname'}=$inputname; @@ -830,7 +993,7 @@ sub Create_PrgWin { # update progress sub Update_PrgWin { my ($r,$prog_state,$displayString)=@_; - &r_print($r,''); @@ -918,7 +1081,7 @@ sub r_print { # ------------------------------------------------------- Puts directory header sub crumbs { - my ($uri,$target,$prefix,$form,$size,$noformat)=@_; + my ($uri,$target,$prefix,$form,$size,$noformat,$skiplast)=@_; if (! defined($size)) { $size = '+2'; } @@ -934,34 +1097,59 @@ sub crumbs { foreach my $dir (split('/',$uri)) { if (! $dir) { next; } $path .= $dir; - unless ($path eq $uri) { $path.='/'; } - my $linkpath = &Apache::loncommon::escape_single($path); - if ($form) { - $linkpath= - qq{javascript:$form.action='$linkpath';$form.submit();}; - } - $output.=qq{$dir/}; + if ($path eq $uri) { + if ($skiplast) { + $output.=$dir; + last; + } + } 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{$dir/}; + } else { + $output.=qq{$dir/}; + } } } else { - $output.=$uri; + foreach my $dir (split('/',$uri)) { + if (! $dir) { next; } + $output.=$dir.'/'; + } } - unless ($uri=~/\/$/) { $output=~s/\/$//; } + if ($uri !~ m|/$|) { $output=~s|/$||; } return $output.''.($noformat?'':'
'); } # --------------------- A function that generates a window for the spellchecker sub spellheader { - my $html=&Apache::lonxml::xmlbegin(); + my $start_page= + &Apache::loncommon::start_page('Speller Suggestions',undef, + {'only_body' => 1, + 'js_ready' => 1, + 'bgcolor' => '#DDDDDD', + 'add_entries' => { + 'onload' => + 'document.forms.spellcheckform.submit()', + } + }); + my $end_page= + &Apache::loncommon::end_page({'js_ready' => 1}); + my $nothing=&javascript_nothing(); return (< // @@ -975,50 +1163,34 @@ sub spelllink { my ($form,$field)=@_; my $linktext=&mt('Check Spelling'); return (<$linktext +$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'); +{ + my @htmlareafields; + sub init_htmlareafields { + undef(@htmlareafields); + } + + sub add_htmlareafields { + my (@newfields) = @_; + push(@htmlareafields,@newfields); } - return (< -_editor_url='/htmlarea/'; -_editor_lang='$lang'; - - -ENDHEADERS -} -# ------------------------------------------------- Activate additional buttons + sub get_htmlareafields { + return @htmlareafields; + } +} -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( - ' \\n
\\\\[','\\\\]
\\n '); - } - ); - config.toolbar.push(['ed_math','ed_math_eqn']); -ENDADDBUTTON +sub htmlareaheaders { + return if (&htmlareablocked()); + return if (!&htmlareabrowser()); + return (< +ENDHEADERS } # ----------------------------------------------------------------- Preferences @@ -1028,7 +1200,7 @@ sub disablelink { if (defined($#fields)) { unless ($#fields>=0) { return ''; } } - return ''.&mt('Disable WYSIWYG Editor').''; + return ''.&mt('Disable WYSIWYG Editor').''; } sub enablelink { @@ -1036,7 +1208,16 @@ sub enablelink { if (defined($#fields)) { unless ($#fields>=0) { return ''; } } - return ''.&mt('Enable WYSIWYG Editor').''; + return ''.&mt('Enable WYSIWYG Editor').''; +} + +# ------------------------------------------------- lang to use in html editor +sub htmlarea_lang { + my $lang='en'; + if (&mt('htmlarea_lang') ne 'htmlarea_lang') { + $lang=&mt('htmlarea_lang'); + } + return $lang; } # ----------------------------------------- Script to activate only some fields @@ -1045,10 +1226,18 @@ sub htmlareaselectactive { my @fields=@_; unless (&htmlareabrowser()) { return ''; } if (&htmlareablocked()) { return '
'.&enablelink(@fields); } - my $output='
". &disablelink(@fields); @@ -1084,13 +1273,13 @@ A link to help for the component will be 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), +Inputs: $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) - + $helplink (if 'nohelp' don't include the orange help link) + $css_class (optional name for the class to apply to the table for CSS) + $no_mt (optional flag, 1 if &mt() is _not_ to be applied to $component + when including the text on the right. Returns a string containing breadcrumbs for the current page. =item clear_breadcrumbs @@ -1103,7 +1292,8 @@ Pushes a breadcrumb on the stack of crum 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. +links to the FAQ and bug sites. If the key 'no_mt' is present the 'title' +and 'text' values won't be sent through &mt() returns: nothing @@ -1115,25 +1305,23 @@ returns: nothing my @Crumbs; sub breadcrumbs { - my ($color,$component,$component_help,$function,$domain,$menulink, - $helplink) = @_; - if (! defined($color)) { - if (! defined($function)) { - $function = &Apache::loncommon::get_users_function(); - } - $color = &Apache::loncommon::designparm($function.'.tabbg', - $domain); - } + my ($component,$component_help,$menulink,$helplink,$css_class,$no_mt, $no_realBreadcrumb) = @_; # - my $Str = "\n". - ''. - ''; + + + if($no_realBreadcrumb){ + $Str1 .= $links.''; + } else { + $Str1 .= $links.''; + } # if (defined($component)) { - $Str .= ''; + $Str .= "\n".'
'. - ''; + $css_class ||= 'LC_breadcrumbs'; + my $Str1 = '
    '; + + if($no_realBreadcrumb){ + $Str1 = '
      '; + } + + my $Str = ''; # # Make the faq and bug data cascade my $faq = ''; my $bug = ''; my $help=''; + # Crumb Symbol + my $crumbsymbol = '» '; # The last breadcrumb does not have a link, so handle it separately. my $last = pop(@Crumbs); # @@ -1141,20 +1329,23 @@ returns: nothing if (!defined($menulink)) { $menulink=1; } if ($menulink) { my $description = 'Menu'; + my $no_mt_descr = 0; if (exists($env{'request.course.id'}) && $env{'request.course.id'} ne '') { $description = $env{'course.'.$env{'request.course.id'}.'.description'}; + $no_mt_descr = 1; } unshift(@Crumbs,{ href =>'/adm/menu', title =>'Go to main menu', target =>'_top', text =>$description, + no_mt =>$no_mt_descr, }); } - my $links .= - join('->', + my $links .= '
    • '. + join('
    • '.$crumbsymbol, map { $faq = $_->{'faq'} if (exists($_->{'faq'})); $bug = $_->{'bug'} if (exists($_->{'bug'})); @@ -1163,14 +1354,30 @@ returns: nothing if (defined($_->{'target'}) && $_->{'target'} ne '') { $result .= 'target="'.$_->{'target'}.'" '; } - $result .='title="'.&mt($_->{'title'}).'">'. - &mt($_->{'text'}).''; + # set the possible translation for title + if ($_->{'no_mt'}) { + $result .='title="'.$_->{'title'}.'">'. + $_->{'text'}.''; + } else { + $result .='title="'.&mt($_->{'title'}).'">'. + &mt($_->{'text'}).''; + } $result; } @Crumbs - ); - $links .= '->' if ($links ne ''); - $links .= ''.&mt($last->{'text'}).''; - # + ).'
      • '; +#Workaround for edit course. + if(@Crumbs == 0 ){ + $links .= '
    • ' if ($links ne ''); + } else { + $links .= '
    • '.$crumbsymbol if ($links ne ''); + } +#should the last Element be translated? + if ($last->{'no_mt'}) { + $links .= ''.$last->{'text'}.''; + } else { + $links .= ''.&mt($last->{'text'}).''; + } + $links .= '
      • '; my $icons = ''; $faq = $last->{'faq'} if (exists($last->{'faq'})); $bug = $last->{'bug'} if (exists($last->{'bug'})); @@ -1182,26 +1389,39 @@ returns: nothing # if ($bug ne '') { # $icons .= &Apache::loncommon::help_open_bug($bug); # } - if ($helplink ne 'nohelp') { - $icons .= &Apache::loncommon::help_open_menu($color,$component,$component_help,$function,$faq,$bug); + if ($faq ne '' || $component_help ne '' || $bug ne '') { + $icons .= &Apache::loncommon::help_open_menu($component, + $component_help, + $faq,$bug); } - if ($icons ne '') { - $Str .= $icons.' '; - } # - $Str .= $links.'
'. - ''.&mt($component).'
' + .'
'; + if ($no_mt) { + $Str .= $component; + } else { + $Str .= &mt($component); + } + if ($icons ne '') { + $Str .= ' '.$icons; + } + $Str .= '
'."\n"; } - $Str .= ''."\n"; # # Return the @Crumbs stack to what we started with push(@Crumbs,$last); shift(@Crumbs); - # - return $Str; + # Return a table and after that the breadcrumb's line + return "$Str\n$Str1"; } sub clear_breadcrumbs { @@ -1217,6 +1437,710 @@ returns: nothing ############################################################ ############################################################ +# Nested table routines. +# +# Routines to display form items in a multi-row table with 2 columns. +# Uses nested tables to divide form elements into segments. +# For examples of use see loncom/interface/lonnotify.pm +# +# Can be used in following order: ... +# &start_pick_box() +# row1 +# row2 +# row3 ... etc. +# &submit_row() +# &end_pick_box() +# +# where row1, row 2 etc. are chosen from &role_select_row,&course_select_row, +# &status_select_row and &email_default_row +# +# Can also be used in following order: +# +# &start_pick_box() +# &row_title() +# &row_closure() +# &row_title() +# &row_closure() ... etc. +# &submit_row() +# &end_pick_box() +# +# In general a &submit_row() call should proceed the call to &end_pick_box(), +# as this routine adds a button for form submission. +# &submit_row() does not require a &row_closure after it. +# +# &start_pick_box() creates a bounding table with 1-pixel wide black border. +# rows should be placed between calls to &start_pick_box() and &end_pick_box. +# +# &row_title() adds a title in the left column for each segment. +# &row_closure() closes a row with a 1-pixel wide black line. +# +# &role_select_row() provides a select box from which to choose 1 or more roles +# &course_select_row provides ways of picking groups of courses +# radio buttons: all, by category or by picking from a course picker pop-up +# note: by category option is only displayed if a domain has implemented +# selection by year, semester, department, number etc. +# +# &status_select_row() provides a select box from which to choose 1 or more +# access types (current access, prior access, and future access) +# +# &email_default_row() provides text boxes for default e-mail suffixes for +# different authentication types in a domain. +# +# &row_title() and &row_closure() are called internally by the &*_select_row +# routines, but can also be called directly to start and end rows which have +# needs that are not accommodated by the *_select_row() routines. + +{ # Start: row_count block for pick_box +my @row_count; + +sub start_pick_box { + my ($css_class) = @_; + if (defined($css_class)) { + $css_class = 'class="'.$css_class.'"'; + } else { + $css_class= 'class="LC_pick_box"'; + } + unshift(@row_count,0); + my $output = <<"END"; + +END + return $output; +} + +sub end_pick_box { + shift(@row_count); + my $output = <<"END"; +
+END + return $output; +} + +sub row_headline { + my $output = <<"END"; + +END + return $output; +} + +sub row_title { + $row_count[0]++; + my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row'; + my ($title,$css_title_class,$css_value_class) = @_; + $css_title_class ||= 'LC_pick_box_title'; + $css_title_class = 'class="'.$css_title_class.'"'; + + $css_value_class ||= 'LC_pick_box_value'; + + if ($title ne '') { + $title .= ':'; + } + my $output = <<"ENDONE"; + + + $title + + +ENDONE + return $output; +} + +sub row_closure { + my ($no_separator) =@_; + my $output = <<"ENDTWO"; + + +ENDTWO + if (!$no_separator) { + $output .= <<"ENDTWO"; + + + + +ENDTWO + } + return $output; +} + +} # End: row_count block for pick_box + + +sub role_select_row { + my ($roles,$title,$css_class,$show_separate_custom,$cdom,$cnum) = @_; + my $output; + if (defined($title)) { + $output = &row_title($title,$css_class); + } + $output .= qq| + \n|; + if (defined($title)) { + $output .= &row_closure(); + } + return $output; +} + +sub course_select_row { + my ($title,$formname,$totcodes,$codetitles,$idlist,$idlist_titles, + $css_class) = @_; + my $output = &row_title($title,$css_class); + $output .= &course_selection($formname,$totcodes,$codetitles,$idlist,$idlist_titles); + $output .= &row_closure(); + return $output; +} + +sub course_selection { + my ($formname,$totcodes,$codetitles,$idlist,$idlist_titles) = @_; + my $output = qq| + + |; + my $courseform=''.&Apache::loncommon::selectcourse_link + ($formname,'pickcourse','pickdomain','coursedesc','',1).''; + $output .= ''.&mt('All courses').'
'; + if ($totcodes > 0) { + my $numtitles = @$codetitles; + if ($numtitles > 0) { + $output .= ''.&mt('Pick courses by category:').'
'; + $output .= ''; + for (my $i=1; $i<$numtitles; $i++) { + $output .= ''; + } + $output .= '
'.$$codetitles[0].'
'."\n". + '		'.$$codetitles[$i].'
'."\n". + ''."\n". + '

'; + } + } + $output .= ''.&mt('Pick specific course(s):').' '.$courseform.'  selected.
'."\n"; + return $output; +} + +sub status_select_row { + my ($types,$title,$css_class) = @_; + my $output; + if (defined($title)) { + $output = &row_title($title,$css_class,'LC_pick_box_select'); + } + $output .= qq| + \n|; + if (defined($title)) { + $output .= &row_closure(); + } + return $output; +} + +sub email_default_row { + my ($authtypes,$title,$descrip,$css_class) = @_; + my $output = &row_title($title,$css_class); + $output .= $descrip. + &Apache::loncommon::start_data_table(). + &Apache::loncommon::start_data_table_header_row(). + ''.&mt('Authentication Method').''. + ''.&mt('Username -> e-mail conversion').''."\n". + &Apache::loncommon::end_data_table_header_row(); + my $rownum = 0; + foreach my $auth (sort(keys(%{$authtypes}))) { + my ($userentry,$size); + if ($auth =~ /^krb/) { + $userentry = ''; + $size = 25; + } else { + $userentry = 'username@'; + $size = 15; + } + $output .= &Apache::loncommon::start_data_table_row(). + ' '.$$authtypes{$auth}.''. + ''.$userentry. + ''. + &Apache::loncommon::end_data_table_row(); + } + $output .= &Apache::loncommon::end_data_table(); + $output .= &row_closure(); + return $output; +} + + +sub submit_row { + my ($title,$cmd,$submit_text,$css_class) = @_; + $submit_text = &mt($submit_text); + my $output = &row_title($title,$css_class,'LC_pick_box_submit'); + $output .= qq| +
+ +   +

+ \n|; + return $output; +} + +sub course_custom_roles { + my ($cdom,$cnum) = @_; + my %returnhash=(); + my %coursepersonnel=&Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); + foreach my $person (sort(keys(%coursepersonnel))) { + my ($role) = ($person =~ /^([^:]+):/); + my ($end,$start) = split(/:/,$coursepersonnel{$person}); + if ($end == -1 && $start == -1) { + next; + } + if ($role =~ m|^cr/[^/]+/[^/]+/[^/]|) { + $returnhash{$role} ++; + } + } + return %returnhash; +} + + +############################################## +############################################## + +# topic_bar +# +# Generates a div containing a numbered (static image) followed by a title +# with a background color defined in the corresponding CSS: LC_topic_bar +# +sub topic_bar { + my ($imgnum,$title) = @_; + return ' +
+ '.&mt('Step [_1]',$imgnum). + '  + '.$title.' +
+'; +} + +############################################## +############################################## + +# echo_form_input +# +# Generates html markup to add form elements from the referrer page +# as hidden form elements (values encoded) in the new page. +# +# Intended to support two types of use +# (a) to allow backing up to earlier pages in a multi-page +# form submission process using a breadcrumb trail. +# +# (b) to allow the current page to be reloaded with form elements +# set on previous page to remain unchanged. An example would +# be where the a page containing a dynamically-built table of data is +# is to be redisplayed, with only the sort order of the data changed. +# +# Inputs: +# 1. Reference to array of form elements in the submitted form on +# the referrer page which are to be excluded from the echoed elements. +# +# 2. Reference to array of regular expressions, which if matched in the +# name of the form element n the referrer page will be omitted from echo. +# +# Outputs: A scalar containing the html markup for the echoed form +# elements (all as hidden elements, with values encoded). + + +sub echo_form_input { + my ($excluded,$regexps) = @_; + my $output = ''; + foreach my $key (keys(%env)) { + if ($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/) { + $match = 1; + last; + } + } + } + } + if (!$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"; + } + } + } + } + } + return $output; +} + +############################################## +############################################## + +# set_form_elements +# +# Generates javascript to set form elements to values based on +# corresponding values for the same form elements when the page was +# previously submitted. +# +# Last submission values are read from hidden form elements in referring +# page which have the same name, i.e., generated by &echo_form_input(). +# +# Intended to be called by onload event. +# +# Inputs: +# (a) Reference to hash of echoed form elements to be set. +# +# In the hash, keys are the form element names, and the values are the +# element type (selectbox, radio, checkbox or text -for textbox, textarea or +# hidden). +# +# (b) Optional reference to hash of stored elements to be set. +# +# If the page being displayed is a page which permits modification of +# previously stored data, e.g., the first page in a multi-page submission, +# then if stored is supplied, form elements will be set to the last stored +# values. If user supplied values are also available for the same elements +# these will replace the stored values. +# +# Output: +# +# javascript function - set_form_elements() which sets form elements, +# expects an argument: formname - the name of the form according to +# the DOM, e.g., document.compose + +sub set_form_elements { + my ($elements,$stored) = @_; + my %values; + my $output .= 'function setFormElements(courseForm) { +'; + if (defined($stored)) { + foreach my $name (keys(%{$stored})) { + if (exists($$elements{$name})) { + if (ref($$stored{$name}) eq 'ARRAY') { + $values{$name} = $$stored{$name}; + } else { + @{$values{$name}} = ($$stored{$name}); + } + } + } + } + + foreach my $key (keys(%env)) { + if ($key =~ /^form\.(.+)$/) { + my $name = $1; + if (exists($$elements{$name})) { + @{$values{$name}} = &Apache::loncommon::get_env_multiple($key); + } + } + } + + foreach my $name (keys(%values)) { + for (my $i=0; $i<@{$values{$name}}; $i++) { + $values{$name}[$i] = &HTML::Entities::decode($values{$name}[$i],'<>&"'); + $values{$name}[$i] =~ s/([\r\n\f]+)/\\n/g; + $values{$name}[$i] =~ s/"/\\"/g; + } + if ($$elements{$name} eq 'text') { + my $numvalues = @{$values{$name}}; + if ($numvalues > 1) { + my $valuestring = join('","',@{$values{$name}}); + $output .= qq| + var textvalues = new Array ("$valuestring"); + var total = courseForm.elements['$name'].length; + if (total > $numvalues) { + total = $numvalues; + } + for (var i=0; i= 0) { + return true; + } + return false; + } +} +END + return $scripttag; +} + +############################################## +############################################## + +# generate_menu +# +# Generates html markup for a menu. +# +# Inputs: +# An array of following structure: +# ({ categorytitle => 'Categorytitle', +# items => [ +# { +# linktext => 'Text to be displayed', +# url => 'URL the link is pointing to, i.e. /adm/site?action=dosomething', +# permission => 'Contains permissions as returned from lonnet::allowed(), +# must evaluate to true in order to activate the link', +# icon => 'icon filename', +# alttext => 'alt text for the icon', +# help => 'Name of the corresponding helpfile', +# linktitle => 'Description of the link (used for title tag)' +# }, +# ... +# ] +# }, +# ... +# ) +# +# 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 = @_; + + # usage: $wrap->(element, content, {attribute => value,...}); + # output: content enclosed in html conform tags + my $wrap = sub { + return + qq|<$_[0]| + . join( '', map { qq| $_="${$_[2]}{$_}"| } keys %{ $_[2] } ) + . ($_[1] ? qq|>$_[1]| : qq|/>|). "\n"; + }; + + # subs for specific html elements + my $h3 = sub { return $wrap->( "h3", @_ ) }; + my $div = sub { return $wrap->( "div", @_ ) }; + my $ul = sub { return $wrap->( "ul", @_ ) }; + my $li = sub { return $wrap->( "li", @_ ) }; + my $a = sub { return $wrap->( "a", @_ ) }; + my $img = sub { return $wrap->( "img", @_ ) }; + + my @categories; # each element represents the entire markup for a category + + foreach my $category (@menu) { + my @links; # contains the links for the current $category + foreach my $link (@{$$category{items}}) { + next unless $$link{permission}; + + # 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. + push @links, $li->( + $a->( + $img->("", { + class => "LC_noBorder LC_middle", + src => "/res/adm/pages/$$link{icon}", + alt => mt(defined($$link{alttext}) ? + $$link{alttext} : $$link{linktext}) + }), { + href => $$link{url}, + title => mt($$link{linktitle}) + }). + $a->(mt($$link{linktext}), { + href => $$link{url}, + title => mt($$link{linktitle}), + class => "LC_menubuttons_link" + }). + (defined($$link{help}) ? + Apache::loncommon::help_open_topic($$link{help}) : ''), + {class => "LC_menubuttons_inline_text"}); + } + + # wrap categorytitle in

, concatenate with + # joined and in
    tags wrapped @links + # and wrap everything in an enclosing
    and push it into + # @categories + # such that each element looks like: + #

    title

    • ...
      • ...
    + # the category won't be added if there aren't any links + push @categories, + $div->($h3->(mt($$category{categorytitle}), {class=>"LC_hcell"}). + $ul->(join('' ,@links), {class =>"LC_ListStyleNormal" }), + {class=>"LC_ContentBoxSpecial LC_400Box"}) if scalar(@links); + } + + # wrap the joined @categories in another
    (column layout) + return $div->(join('', @categories), {class => "LC_columnSection"}); +} 1;