--- loncom/interface/lonhtmlcommon.pm	2007/09/27 15:36:23	1.164
+++ loncom/interface/lonhtmlcommon.pm	2008/06/01 00:04:39	1.175
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common html routines
 #
-# $Id: lonhtmlcommon.pm,v 1.164 2007/09/27 15:36:23 raeburn Exp $
+# $Id: lonhtmlcommon.pm,v 1.175 2008/06/01 00:04:39 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -311,6 +311,7 @@ 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 +320,25 @@ 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 +461,19 @@ 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 +482,35 @@ 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}).'&amp;';
+    }
+    $url =~ s/&amp;$//;
+    return $url;
+}
+
+
 ##############################################
 ##############################################
 
@@ -549,20 +579,33 @@ 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 $epoch_time;
+        } else {
+            return undef;
+        }
     } else {
         return undef;
     }
@@ -632,6 +675,8 @@ sub javascript_nothing {
 ##############################################
 ##############################################
 sub javascript_docopen {
+    my ($mimetype) = @_;
+    $mimetype ||= 'text/html';
     # safari does not understand document.open() and loads "text/html"
     my $nothing = "''";
     my $user_browser;
@@ -645,7 +690,7 @@ sub javascript_docopen {
     if ($user_browser eq 'safari' && $user_os =~ 'mac') {
         $nothing = "document.clear()";
     } else {
-	$nothing = "document.open('text/html','replace')";
+	$nothing = "document.open('$mimetype','replace')";
     }
     return $nothing;
 }
@@ -682,7 +727,7 @@ Returns: a perl string as described.
 ##############################################
 ##############################################
 sub StatusOptions {
-    my ($status, $formName,$size,$onchange)=@_;
+    my ($status, $formName,$size,$onchange,$mult)=@_;
     $size = 1 if (!defined($size));
     if (! defined($status)) {
         $status = 'Active';
@@ -691,6 +736,9 @@ 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()"';
     }
@@ -852,7 +900,7 @@ sub Create_PrgWin {
          function openpopwin () {
          popwin=open(\'\',\'popwin\',\'width=400,height=100\');".
         "popwin.document.writeln(\'".$start_page.
-              "<h4>$heading<\/h4>".
+              "<h4>".&mt("$heading")."<\/h4>".
               "<form action= \"\" name=\"popremain\" method=\"post\">".
               '<input type="text" size="'.$width.'" name="remaining" value="'.
 	      &mt('Starting').'" /><\\/form>'.$end_page.
@@ -871,8 +919,7 @@ sub Create_PrgWin {
 	}
 	if (!$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;
 	    
@@ -1085,46 +1132,13 @@ 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('&nbsp;<m>\$','\$</m>&nbsp;');
-			    }
-			  );
-    config.registerButton('ed_math_eqn','LaTeX Equation',
-			  '/htmlarea/images/ed_math_eqn.gif',false,
-			    function(editor,id) {
-			      editor.surroundHTML(
-				     '&nbsp;\\n<center><m>\\\\[','\\\\]</m></center>\\n&nbsp;');
-			    }
-			  );
-    config.toolbar.push(['ed_math','ed_math_eqn']);
-ENDADDBUTTON
-}
-
 # ----------------------------------------------------------------- Preferences
 
 sub disablelink {
@@ -1143,16 +1157,33 @@ 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';
+}";
     }
     $output.="\nwindow.status='Activated Editfields';\n</script><br />".
 	&disablelink(@fields);
@@ -1234,16 +1265,19 @@ returns: nothing
 	if (!defined($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 .= 
@@ -1333,7 +1367,7 @@ returns: nothing
 # row1
 # row2
 # row3   ... etc.
-# &submit_row(0
+# &submit_row()
 # &end_pick_box()
 #
 # where row1, row 2 etc. are chosen from &role_select_row,&course_select_row,
@@ -1403,10 +1437,13 @@ 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 $css_value_class>
 ENDONE
@@ -1473,7 +1510,14 @@ sub course_select_row {
     my ($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++) {
@@ -1546,8 +1590,7 @@ 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.'&nbsp;&nbsp;<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.'&nbsp;&nbsp;<input type="text" value="0" size="4" name="coursetotal" /><input type="hidden" name="courselist" value="" />selected.<br />'."\n";
     return $output;
 }