--- loncom/interface/lonhtmlcommon.pm 2006/08/08 19:10:54 1.152 +++ loncom/interface/lonhtmlcommon.pm 2008/08/21 10:48:37 1.178 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common html routines # -# $Id: lonhtmlcommon.pm,v 1.152 2006/08/08 19:10:54 albertel Exp $ +# $Id: lonhtmlcommon.pm,v 1.178 2008/08/21 10:48:37 bisitz Exp $ # # Copyright Michigan State University Board of Trustees # @@ -60,9 +60,60 @@ use Time::Local; use Time::HiRes; use Apache::lonlocal; use Apache::lonnet; -use lib '/home/httpd/lib/perl/'; 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 $buttontext=&mt('Edit Math'); + return <<ENDDRAGMATH; + <input type="button" value="$buttontext", onclick="javascript:mathedit('$textarea',document)" />$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 { + return <<ENDDRAGMATHJS; + <script type="text/javascript"> + function mathedit(textarea, doc) { + targetEntry = textarea; + targetDoc = doc; + newwin = window.open("/adm/dragmath/applet/EditMathPopup.html","","width=565,height=500,resizable"); + } + </script> + +ENDDRAGMATHJS +} + ############################################## ############################################## @@ -78,7 +129,7 @@ use LONCAPA; 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\//) { @@ -141,6 +192,7 @@ sub select_recent { foreach my $value (sort(keys(%recent))) { unless ($value =~/^error\:/) { my $escaped = &Apache::loncommon::escape_url($value); + &Apache::loncommon::inhibit_menu_check(\$escaped); $return.="\n<option value='$escaped'>". &unescape((split(/\&/,$recent{$value}))[1]). '</option>'; @@ -311,6 +363,7 @@ The method used to restrict user input w sub date_setter { my ($formname,$dname,$currentvalue,$special,$includeempty,$state, $no_hh_mm_ss,$defhour,$defmin,$defsec,$nolink) = @_; + my $now = time; my $wasdefined=1; if (! defined($state) || $state ne 'disabled') { $state = ''; @@ -319,28 +372,25 @@ sub date_setter { $no_hh_mm_ss = 0; } if ($currentvalue eq 'now') { - $currentvalue=time; + $currentvalue = $now; } if ((!defined($currentvalue)) || ($currentvalue eq '')) { $wasdefined=0; if ($includeempty) { $currentvalue = 0; } else { - $currentvalue = time; + $currentvalue = $now; } } # other potentially useful values: wkday,yrday,is_daylight_savings + my $tzname; my ($sec,$min,$hour,$mday,$month,$year)=('','',undef,'','',''); if ($currentvalue) { - ($sec,$min,$hour,$mday,$month,$year,undef,undef,undef) = - localtime($currentvalue); - $year += 1900; + ($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,$min,$hour,$mday,$month,$year,undef,undef,undef) = - localtime(time); - $year += 1900; $sec=($defsec?$defsec:0); $min=($defmin?$defmin:0); $hour=($defhour?$defhour:0); @@ -463,16 +513,19 @@ ENDJS $cal_link = qq{<a href="javascript:$dname\_opencalendar()">}; } # + my $tzone = ' '.$tzname.' '; if ($no_hh_mm_ss) { $result .= &mt('[_1] [_2] [_3] ', - $monthselector,$dayselector,$yearselector); + $monthselector,$dayselector,$yearselector). + $tzone; if (!$nolink) { $result .= &mt('[_1]Select Date[_2]',$cal_link,'</a>'); } } else { $result .= &mt('[_1] [_2] [_3] [_4] [_5]m [_6]s ', $monthselector,$dayselector,$yearselector, - $hourselector,$minuteselector,$secondselector); + $hourselector,$minuteselector,$secondselector). + $tzone; if (!$nolink) { $result .= &mt('[_1]Select Date[_2]',$cal_link,'</a>'); } @@ -481,6 +534,35 @@ ENDJS 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; +} + + ############################################## ############################################## @@ -549,20 +631,33 @@ 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; } @@ -632,6 +727,8 @@ 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; @@ -645,7 +742,7 @@ 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; } @@ -682,7 +779,7 @@ 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'; @@ -691,6 +788,9 @@ sub StatusOptions { my $Str = ''; $Str .= '<select name="Status"'; + if (defined($mult)){ + $Str .= ' multiple="multiple" '; + } if(defined($formName) && $formName ne '' && ! defined($onchange)) { $Str .= ' onchange="document.'.$formName.'.submit()"'; } @@ -699,10 +799,10 @@ sub StatusOptions { } $Str .= ' size="'.$size.'" '; $Str .= '>'."\n"; - foreach my $type (['Active', &mt('Currently Enrolled')], - ['Future', &mt('Future Enrollment')], - ['Expired', &mt('Previously Enrolled')], - ['Any', &mt('Any Enrollment Status')]) { + foreach my $type (['Active', &mt('Currently Has Access')], + ['Future', &mt('Will Have Future Access')], + ['Expired', &mt('Previously Had Access')], + ['Any', &mt('Any Access Status')]) { my ($name,$label) = @$type; $Str .= '<option value="'.$name.'" '; if ($status eq $name) { @@ -852,8 +952,8 @@ sub Create_PrgWin { function openpopwin () { popwin=open(\'\',\'popwin\',\'width=400,height=100\');". "popwin.document.writeln(\'".$start_page. - "<h4>$heading<\/h4>". - "<form name=\"popremain\" method=\"post\">". + "<h4>".&mt("$heading")."<\/h4>". + "<form action= \"\" name=\"popremain\" method=\"post\">". '<input type="text" size="'.$width.'" name="remaining" value="'. &mt('Starting').'" /><\\/form>'.$end_page. "\');". @@ -865,14 +965,13 @@ sub Create_PrgWin { $prog_state{'window'}='window'; if (!$formname) { $prog_state{'formname'}=&get_uniq_name(); - &r_print($r,'<form name="'.$prog_state{'formname'}.'">'); + &r_print($r,'<form action="" name="'.$prog_state{'formname'}.'">'); } else { $prog_state{'formname'}=$formname; } if (!$inputname) { $prog_state{'inputname'}=&get_uniq_name(); - &r_print($r,$heading.' <input type="text" name="'.$prog_state{'inputname'}. - '" size="'.$width.'" />'); + &r_print($r,&mt("$heading [_1]",' <input type="text" name="'.$prog_state{'inputname'}.'" size="'.$width.'" />')); } else { $prog_state{'inputname'}=$inputname; @@ -892,7 +991,7 @@ sub Create_PrgWin { # update progress sub Update_PrgWin { my ($r,$prog_state,$displayString)=@_; - &r_print($r,'<script>'.$$prog_state{'window'}.'.document.'. + &r_print($r,'<script type="text/javascript">'.$$prog_state{'window'}.'.document.'. $$prog_state{'formname'}.'.'. $$prog_state{'inputname'}.'.value="'. $displayString.'";</script>'); @@ -1003,13 +1102,15 @@ sub crumbs { } } 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>/}; } - my $linkpath = &Apache::loncommon::escape_single($path); - if ($form) { - $linkpath= - qq{javascript:$form.action='$linkpath';$form.submit();}; - } - $output.=qq{<a href="$linkpath" $target>$dir</a>/}; } } else { foreach my $dir (split('/',$uri)) { @@ -1046,7 +1147,7 @@ var checkwin; function spellcheckerwindow(string) { var esc_string = string.replace(/\"/g,'"'); checkwin=window.open($nothing,'spellcheckwin','height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no'); - checkwin.document.writeln('$start_page<form name="spellcheckform" action="/adm/spellcheck" method="post"><input type="hidden" name="text" value="'+esc_string+'" /><\/form>$end_page'); + checkwin.document.writeln('$start_page<form name="spellcheckform" action="/adm/spellcheck" method="post"><input type="hidden" name="text" value="'+esc_string+'" /><\\/form>$end_page'); checkwin.document.close(); } // END LON-CAPA Internal --> @@ -1083,46 +1184,13 @@ ENDLINK } sub htmlareaheaders { - if (&htmlareablocked()) { return ''; } - unless (&htmlareabrowser()) { return ''; } - my $lang='en'; - if (&mt('htmlarea_lang') ne 'htmlarea_lang') { - $lang=&mt('htmlarea_lang'); - } + return if (&htmlareablocked()); + return if (!&htmlareabrowser()); return (<<ENDHEADERS); -<script type="text/javascript"> -_editor_url='/htmlarea/'; -_editor_lang='$lang'; -</script> -<script type="text/javascript" src="/htmlarea/htmlarea.js"></script> -<link rel="stylesheet" type="text/css" href="/htmlarea/htmlarea.css" /> +<script type="text/javascript" src="/fckeditor/fckeditor.js"></script> ENDHEADERS } -# ------------------------------------------------- Activate additional buttons - -sub htmlareaaddbuttons { - if (&htmlareablocked()) { return ''; } - unless (&htmlareabrowser()) { return ''; } - return (<<ENDADDBUTTON); - var config=new HTMLArea.Config(); - config.registerButton('ed_math','LaTeX Inline', - '/htmlarea/images/ed_math.gif',false, - function(editor,id) { - editor.surroundHTML(' <m>\$','\$</m> '); - } - ); - config.registerButton('ed_math_eqn','LaTeX Equation', - '/htmlarea/images/ed_math_eqn.gif',false, - function(editor,id) { - editor.surroundHTML( - ' \\n<center><m>\\\\[','\\\\]</m></center>\\n '); - } - ); - config.toolbar.push(['ed_math','ed_math_eqn']); -ENDADDBUTTON -} - # ----------------------------------------------------------------- Preferences sub disablelink { @@ -1141,16 +1209,33 @@ sub enablelink { 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'; + if (&mt('htmlarea_lang') ne 'htmlarea_lang') { + $lang=&mt('htmlarea_lang'); + } + return $lang; +} + # ----------------------------------------- Script to activate only some fields sub htmlareaselectactive { my @fields=@_; unless (&htmlareabrowser()) { return ''; } if (&htmlareablocked()) { return '<br />'.&enablelink(@fields); } - my $output='<script type="text/javascript" defer="1">'. - &htmlareaaddbuttons(); - foreach(@fields) { - $output.="\nHTMLArea.replace('$_',config);"; + my $output='<script type="text/javascript" defer="1">'; + 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'; +}"; } $output.="\nwindow.status='Activated Editfields';\n</script><br />". &disablelink(@fields); @@ -1203,7 +1288,8 @@ Pushes a breadcrumb on the stack of crum input: $breadcrumb, a hash reference. The keys 'href','title', and 'text' are required. If present the keys 'faq' and 'bug' will be used to provide -links to the FAQ and bug sites. +links to the FAQ and bug sites. If the key 'no_mt' is present the 'title' +and 'text' values won't be sent through &mt() returns: nothing @@ -1231,16 +1317,19 @@ returns: nothing if (!defined($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 $links .= @@ -1253,13 +1342,22 @@ returns: nothing if (defined($_->{'target'}) && $_->{'target'} ne '') { $result .= 'target="'.$_->{'target'}.'" '; } - $result .='title="'.&mt($_->{'title'}).'">'. - &mt($_->{'text'}).'</a>'; + if ($_->{'no_mt'}) { + $result .='title="'.$_->{'title'}.'">'. + $_->{'text'}.'</a>'; + } else { + $result .='title="'.&mt($_->{'title'}).'">'. + &mt($_->{'text'}).'</a>'; + } $result; } @Crumbs ); $links .= '->' if ($links ne ''); - $links .= '<b>'.&mt($last->{'text'}).'</b>'; + if ($last->{'no_mt'}) { + $links .= '<b>'.$last->{'text'}.'</b>'; + } else { + $links .= '<b>'.&mt($last->{'text'}).'</b>'; + } # my $icons = ''; $faq = $last->{'faq'} if (exists($last->{'faq'})); @@ -1321,8 +1419,8 @@ returns: nothing # row1 # row2 # row3 ... etc. -# &submit_row(0 -# &end_pickbox() +# &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 @@ -1391,10 +1489,13 @@ sub row_title { $css_value_class ||= 'LC_pick_box_value'; $css_value_class = 'class="'.$css_value_class.'"'; + if ($title ne '') { + $title .= ':'; + } my $output = <<"ENDONE"; <tr class="LC_pick_box_row"> <td $css_title_class> - $title: + $title </td> <td $css_value_class> ENDONE @@ -1461,7 +1562,14 @@ sub course_select_row { my ($title,$formname,$totcodes,$codetitles,$idlist,$idlist_titles, $css_class) = @_; my $output = &row_title($title,$css_class); - $output .= qq| + $output .= &course_selection($formname,$totcodes,$codetitles,$idlist,$idlist_titles); + $output .= &row_closure(); + return $output; +} + +sub course_selection { + my ($formname,$totcodes,$codetitles,$idlist,$idlist_titles) = @_; + my $output = qq| <script type="text/javascript"> function coursePick (formname) { for (var i=0; i<formname.coursepick.length; i++) { @@ -1534,8 +1642,7 @@ sub course_select_row { $output .= '</tr></table><br />'; } } - $output .= '<input type="radio" name="coursepick" value="specific" onclick="coursePick(this.form);opencrsbrowser('."'".$formname."'".','."'".'dccourse'."'".','."'".'dcdomain'."'".','."'".'coursedesc'."','','1'".')" />'.&mt('Pick specific course(s):').' '.$courseform.' <input type="text" value="0" size="4" name="coursetotal" /><input type="hidden" name="courselist" value="" />selected.<br />'."\n"; - $output .= &row_closure(); + $output .= '<input type="radio" name="coursepick" value="specific" onclick="coursePick(this.form);opencrsbrowser('."'".$formname."','dccourse','dcdomain','coursedesc','','1'".')" />'.&mt('Pick specific course(s):').' '.$courseform.' <input type="text" value="0" size="4" name="coursetotal" /><input type="hidden" name="courselist" value="" />selected.<br />'."\n"; return $output; } @@ -1560,7 +1667,6 @@ sub status_select_row { sub email_default_row { my ($authtypes,$title,$descrip,$css_class) = @_; my $output = &row_title($title,$css_class); - my @rowcols = ('#eeeeee','#dddddd'); $output .= $descrip. &Apache::loncommon::start_data_table(). &Apache::loncommon::start_data_table_header_row(). @@ -1831,6 +1937,45 @@ sub set_form_elements { return $output; } +############################################## +############################################## + +# javascript_valid_email +# +# Generates javascript to validate an e-mail address. +# Returns a javascript function which accetps a form field as argumnent, and +# returns false if field.value does not satisfy two regular expression matches +# for a valid e-mail address. Backwards compatible with old browsers without +# support for javascript RegExp (just checks for @ in field.value in this case). + +sub javascript_valid_email { + my $scripttag .= <<'END'; +function validmail(field) { + var str = field.value; + if (window.RegExp) { + var reg1str = "(@.*@)|(\\.\\.)|(@\\.)|(\\.@)|(^\\.)"; + var reg2str = "^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$"; //" + var reg1 = new RegExp(reg1str); + var reg2 = new RegExp(reg2str); + if (!reg1.test(str) && reg2.test(str)) { + return true; + } + return false; + } + else + { + if(str.indexOf("@") >= 0) { + return true; + } + return false; + } +} +END + return $scripttag; +} + + + 1; __END__