--- loncom/interface/lonhtmlcommon.pm	2003/03/10 20:25:00	1.18
+++ loncom/interface/lonhtmlcommon.pm	2004/02/18 08:07:16	1.52
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common html routines
 #
-# $Id: lonhtmlcommon.pm,v 1.18 2003/03/10 20:25:00 matthew Exp $
+# $Id: lonhtmlcommon.pm,v 1.52 2004/02/18 08:07:16 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -56,8 +56,120 @@ html.
 package Apache::lonhtmlcommon;
 
 use Time::Local;
+use Time::HiRes;
+use Apache::lonlocal;
 use strict;
 
+
+##############################################
+##############################################
+
+=pod
+
+=item authorbombs
+
+=cut
+
+##############################################
+##############################################
+
+sub authorbombs {
+    my $url=shift;
+    $url=&Apache::lonnet::declutter($url);
+    my ($udom,$uname)=($url=~/^(\w+)\/(\w+)\//);
+    my %bombs=&Apache::lonmsg::all_url_author_res_msg($uname,$udom);
+    foreach (keys %bombs) {
+	if ($_=~/^$udom\/$uname\//) {
+	    return '<a href="/adm/bombs/'.$url.
+		'"><img src="/adm/lonMisc/bomb.gif" border="0" /></a>'.
+		&Apache::loncommon::help_open_topic('About_Bombs');
+	}
+    }
+    return '';
+}
+
+##############################################
+##############################################
+
+sub recent_filename {
+    my $area=shift;
+    return 'nohist_recent_'.&Apache::lonnet::escape($area);
+}
+
+sub store_recent {
+    my ($area,$name,$value)=@_;
+    my $file=&recent_filename($area);
+    my %recent=&Apache::lonnet::dump($file);
+    if (scalar(keys(%recent))>10) {
+# remove oldest value
+	my $oldest=time;
+	my $delkey='';
+	foreach (keys %recent) {
+	    my $thistime=(split(/\&/,$recent{$_}))[0];
+	    if ($thistime<$oldest) {
+		$oldest=$thistime;
+		$delkey=$_;
+	    }
+	}
+	&Apache::lonnet::del($file,[$delkey]);
+    }
+# store new value
+    &Apache::lonnet::put($file,{ $name => 
+				 time.'&'.&Apache::lonnet::escape($value) });
+}
+
+sub select_recent {
+    my ($area,$fieldname,$event)=@_;
+    my %recent=&Apache::lonnet::dump(&recent_filename($area));
+    my $return="\n<select name='$fieldname'".
+	($event?" onChange='$event'":'').
+	">\n<option value=''>--- ".&mt('Recent')." ---</option>";
+    foreach (sort keys %recent) {
+	unless ($_=~/^error\:/) {
+	    $return.="\n<option value='$_'>".
+		&Apache::lonnet::unescape((split(/\&/,$recent{$_}))[1]).
+		'</option>';
+	}
+    }
+    $return.="\n</select>\n";
+    return $return;
+}
+
+
+=pod
+
+=item textbox
+
+=cut
+
+##############################################
+##############################################
+sub textbox {
+    my ($name,$value,$size,$special) = @_;
+    $size = 40 if (! defined($size));
+    my $Str = '<input type="text" name="'.$name.'" size="'.$size.'" '.
+        'value="'.$value.'" '.$special.' />';
+    return $Str;
+}
+
+##############################################
+##############################################
+
+=pod
+
+=item checkbox
+
+=cut
+
+##############################################
+##############################################
+sub checkbox {
+    my ($name,$value) = @_;
+    my $Str = '<input type="checkbox" name="'.$name.'"'.
+	($value?' checked="1"':'').' />';
+    return $Str;
+}
+
 ##############################################
 ##############################################
 
@@ -65,6 +177,9 @@ use strict;
 
 =item &date_setter
 
+&date_setter returns html and javascript for a compact date-setting form.
+To retrieve values from it, use &get_date_from_form().
+
 Inputs
 
 =over 4
@@ -82,19 +197,37 @@ The current setting for this time parame
 An undefined value is taken to indicate the value is the current time.
 Also, to be explicit, a value of 'now' also indicates the current time.
 
+=item $special
+
+Additional html/javascript to be associated with each element in
+the date_setter.  See lonparmset for example usage.
+
+=back
+
+Bugs
+
+The method used to restrict user input will fail in the year 2400.
+
 =cut
 
 ##############################################
 ##############################################
 sub date_setter {
-    my ($formname,$dname,$currentvalue) = @_;
+    my ($formname,$dname,$currentvalue,$special,$includeempty) = @_;
     if (! defined($currentvalue) || $currentvalue eq 'now') {
-        $currentvalue = time;
+	unless ($includeempty) {
+	    $currentvalue = time;
+	} else {
+	    $currentvalue = 0;
+	}
     }
     # other potentially useful values:     wkday,yrday,is_daylight_savings
-    my ($sec,$min,$hour,$mday,$month,$year,undef,undef,undef) = 
-        localtime($currentvalue);
-    $year += 1900;
+    my ($sec,$min,$hour,$mday,$month,$year)=('','','','','','');
+    if ($currentvalue) {
+	($sec,$min,$hour,$mday,$month,$year,undef,undef,undef) = 
+	    localtime($currentvalue);
+	$year += 1900;
+    }
     my $result = "\n<!-- $dname date setting form -->\n";
     $result .= <<ENDJS;
 <script language="Javascript">
@@ -128,57 +261,76 @@ sub date_setter {
             document.$formname.$dname\_day.value = 30;
         }
     }
+
+    function $dname\_opencalendar() {
+       var calwin=window.open(
+"/adm/announcements?pickdate=yes&formname=$formname&element=$dname&month="+
+document.$formname.$dname\_month.value+"&year="+
+document.$formname.$dname\_year.value,
+             "LONCAPAcal",
+              "height=350,width=350,scrollbars=yes,resizable=yes,menubar=no");
+
+    }
 </script>
 ENDJS
-    $result .= "  <select name=\"$dname\_month\" ".
+    $result .= "  <nobr><select name=\"$dname\_month\" ".$special.' '.
         "onChange=\"javascript:$dname\_checkday()\" >\n";
     my @Months = qw/January February  March     April   May      June 
                     July    August    September October November December/;
     # Pad @Months with a bogus value to make indexing easier
     unshift(@Months,'If you can read this an error occurred');
+    if ($includeempty) { $result.="<option value=''></option>"; }
     for(my $m = 1;$m <=$#Months;$m++) {
         $result .= "      <option value=\"$m\" ";
-        $result .= "selected " if ($m-1 == $month);
-        $result .= "> $Months[$m] </option>\n";
+        $result .= "selected " if ($m-1 eq $month);
+        $result .= "> ".&mt($Months[$m])." </option>\n";
     }
     $result .= "  </select>\n";
     $result .= "  <input type=\"text\" name=\"$dname\_day\" ".
-            "value=\"$mday\" size=\"3\" ".
+            "value=\"$mday\" size=\"3\" ".$special.' '.
             "onChange=\"javascript:$dname\_checkday()\" />\n";
     $result .= "  <input type=\"year\" name=\"$dname\_year\" ".
-            "value=\"$year\" size=\"5\" ".
+            "value=\"$year\" size=\"5\" ".$special.' '.
             "onChange=\"javascript:$dname\_checkday()\" />\n";
     $result .= "&nbsp;&nbsp;";
-    $result .= "  <select name=\"$dname\_hour\" >\n";
+    $result .= "  <select name=\"$dname\_hour\" ".$special." >\n";
+    if ($includeempty) { $result.="<option value=''></option>"; }
     for (my $h = 0;$h<24;$h++) {
         $result .= "      <option value=\"$h\" ";
         $result .= "selected " if ($hour == $h);
         $result .= "> ";
+	my $timest='';
         if ($h == 0) {
-            $result .= "12 am";
+            $timest .= "12 am";
         } elsif($h == 12) {
-            $result .= "12 noon";
+            $timest .= "12 noon";
         } elsif($h < 12) {
-            $result .= "$h am";
+            $timest .= "$h am";
         } else {
-            $result .= $h-12 ." pm";
+            $timest .= $h-12 ." pm";
         }
-        $result .= " </option>\n";
+	$timest=&mt($timest);
+        $result .= $timest." </option>\n";
     } 
     $result .= "  </select>\n";
-    $result .= "  <input type=\"text\" name=\"$dname\_minute\" ".
+    $result .= "  <input type=\"text\" name=\"$dname\_minute\" ".$special.' '.
         "value=\"$min\" size=\"3\" /> m\n";
-    $result .= "  <input type=\"text\" name=\"$dname\_second\" ".
+    $result .= "  <input type=\"text\" name=\"$dname\_second\" ".$special.' '.
         "value=\"$sec\" size=\"3\" /> s\n";
-    $result .= "<!-- end $dname date setting form -->\n";
+    $result .= "<a href=\"javascript:$dname\_opencalendar()\">".
+    &mt('Select Date')."</a></nobr>\n<!-- end $dname date setting form -->\n";
     return $result;
 }
 
 ##############################################
 ##############################################
 
+=pod
+
 =item &get_date_from_form
 
+get_date_from_form retrieves the date specified in an &date_setter form.
+
 Inputs:
 
 =over 4
@@ -217,7 +369,7 @@ sub get_date_from_form {
     }
     if (defined($ENV{'form.'.$dname.'_hour'})) {
         my $tmphour = $ENV{'form.'.$dname.'_hour'};
-        if (($tmphour =~ /^\d+$/) && ($tmphour > 0) && ($tmphour < 32)) {
+        if (($tmphour =~ /^\d+$/) && ($tmphour >= 0) && ($tmphour < 24)) {
             $hour = $tmphour;
         }
     }
@@ -239,7 +391,10 @@ sub get_date_from_form {
             $year = $tmpyear - 1900;
         }
     }
-    if (eval(&timelocal($sec,$min,$hour,$day,$month,$year))) {
+    if (($year<70) || ($year>137)) { return undef; }
+    if (defined($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);
     } else {
         return undef;
@@ -251,6 +406,33 @@ sub get_date_from_form {
 
 =pod
 
+=item &pjump_javascript_definition()
+
+Returns javascript defining the 'pjump' function, which opens up a
+parameter setting wizard.
+
+=cut
+
+##############################################
+##############################################
+sub pjump_javascript_definition {
+    my $Str = <<END;
+    function pjump(type,dis,value,marker,ret,call) {
+        parmwin=window.open("/adm/rat/parameter.html?type="+escape(type)
+                 +"&value="+escape(value)+"&marker="+escape(marker)
+                 +"&return="+escape(ret)
+                 +"&call="+escape(call)+"&name="+escape(dis),"LONCAPAparms",
+                 "height=350,width=350,scrollbars=no,menubar=no");
+    }
+END
+    return $Str;
+}
+
+##############################################
+##############################################
+
+=pod
+
 =item &javascript_nothing()
 
 Return an appropriate null for the users browser.  This is used
@@ -278,179 +460,44 @@ sub javascript_nothing {
     return $nothing;
 }
 
+
 ##############################################
 ##############################################
 
+=pod
 
+=item &StatusOptions()
 
-sub AscendOrderOptions {
-    my ($order, $page, $formName)=@_;
-
-    my $OpSel1 = '';
-    my $OpSel2 = '';
-
-    if($order eq 'Ascending') {
-        $OpSel1 = ' selected';
-    } else {
-        $OpSel2 = ' selected';
-    }
-
-    my $Str = '';
-    $Str .= '<select name="'.(($page)?$page:'').'Ascend"';
-    if($formName) {
-        $Str .= ' onchange="document.'.$formName.'.submit()"';
-    }
-    $Str .= '>'."\n";
-    $Str .= '<option'.$OpSel1.'>Ascending</option>'."\n".
-	    '<option'.$OpSel2.'>Descending</option>'."\n";
-    $Str .= '</select>'."\n";
-
-    return $Str;
-}
-
-sub MapOptions {
-    my ($data, $page, $formName)=@_;
-    my $Str = '';
-    $Str .= '<select name="';
-    $Str .= (($page)?$page:'').'Maps"';
-    if($formName) {
-        $Str .= ' onchange="document.'.$formName.'.submit()"';
-    }
-    $Str .= '>'."\n";
-
-    my $selected = 0;
-    foreach my $sequence (split(':',$data->{'orderedSequences'})) {
-	$Str .= '<option';
-        if($data->{$page.'Maps'} eq $data->{$sequence.':title'}) {
-            $Str .= ' selected';
-            $selected = 1;
-        }
-	$Str .= '>'.$data->{$sequence.':title'}.'</option>'."\n";	     
-    }
-    $Str .= '<option';
-    if(!$selected) {
-        $Str .= ' selected';
-    }
-    $Str .= '>All Maps</option>'."\n";
-
-    $Str .= '</select>'."\n";
-
-    return $Str;
-}
-
-sub ProblemOptions {
-    my ($data, $page, $map, $formName)=@_;
-    my $Str = '';
-    $Str .= '<select name="';
-    $Str .= (($page)?$page:'').'ProblemSelect"';
-    if($formName) {
-        $Str .= ' onchange="document.'.$formName.'.submit()"';
-    }
-    $Str .= '>'."\n";
-
-    my $selected = 0;
-    foreach my $sequence (split(':',$data->{'orderedSequences'})) {
-	if($data->{$sequence.':title'} eq $map || $map eq 'All Maps') {
-	    foreach my $problem (split(':', $data->{$sequence.':problems'})) {
-		$Str .= '<option';
-		if($data->{$page.'ProblemSelect'} eq 
-		   $data->{$problem.':title'}) {
-		    $Str .= ' selected';
-		    $selected = 1;
-		}
-		$Str .= '>'.$data->{$problem.':title'}.'</option>'."\n";
-	    }
-	}
-    }
-    $Str .= '<option';
-    if(!$selected) {
-        $Str .= ' selected';
-    }
-    $Str .= '>All Problems</option>'."\n";
-
-    $Str .= '</select>'."\n";
-
-    return $Str;
-}
-
-sub PartOptions {
-    my ($data, $page, $parts, $formName)=@_;
-    my $Str = '';
-
-    if(!defined($parts)) {
-	return '';
-    }
-
-    $Str .= '<select name="';
-    $Str .= (($page)?$page:'').'PartSelect"';
-    if($formName) {
-        $Str .= ' onchange="document.'.$formName.'.submit()"';
-    }
-    $Str .= '>'."\n";
-
-    my $selected = 0;
-    foreach my $part (@$parts) {
-	$Str .= '<option';
-	if($data->{$page.'PartSelect'} eq $part) {
-	    $Str .= ' selected';
-	    $selected = 1;
-	}
-	$Str .= '>'.$part.'</option>'."\n";	     
-    }
-    $Str .= '<option';
-    if(!$selected) {
-        $Str .= ' selected';
-    }
-    $Str .= '>All Parts</option>'."\n";
-
-    $Str .= '</select>'."\n";
-
-    return $Str;
-}
-
-sub StudentOptions {
-    my ($cache, $students, $selectedName, $page, $formName)=@_;
+Returns html for a selection box which allows the user to choose the
+enrollment status of students.  The selection box name is 'Status'.
 
-    my $Str = '';
-    $Str .= '<select name="'.(($page)?$page:'').'Student"';
-    if($formName) {
-        $Str .= ' onchange="document.'.$formName.'.submit()"';
-    }
-    $Str .= '>'."\n";
+Inputs:
 
-    my $selected=0;
+$status: the currently selected status.  If undefined the value of
+$ENV{'form.Status'} is taken.  If that is undefined, a value of 'Active'
+is used.
 
-    foreach (@$students) {
-	$Str .= '<option';
-	if($selectedName eq $_) {
-            $Str .= ' selected';
-            $selected = 1;
-        }
-        $Str .= '>';
-        $Str .= $cache->{$_.':fullname'};
-        $Str .= '</option>'."\n";	     
-    }
+$formname: The name of the form.  If defined the onchange attribute of
+the selection box is set to document.$formname.submit().
 
-    $Str .= '<option';
-    if($selectedName eq 'No Student Selected') {
-        $Str .= ' selected';
-        $selected = 1;
-    }
-    $Str .= '>No Student Selected</option>'."\n";
+$size: the size (number of lines) of the selection box.
 
-    $Str .= '<option';
-    if(!$selected) {
-        $Str .= ' selected';
-    }
-    $Str .= '>All Students</option>'."\n";
+$onchange: javascript to use when the value is changed.  Enclosed in 
+double quotes, ""s, not single quotes.
 
-    $Str .= '</select>'."\n";
+Returns: a perl string as described.
 
-    return $Str;
-}
+=cut
 
+##############################################
+##############################################
 sub StatusOptions {
-    my ($status, $formName)=@_;
+    my ($status, $formName,$size,$onchange)=@_;
+    $size = 1 if (!defined($size));
+    if (! defined($status)) {
+        $status = 'Active';
+        $status = $ENV{'form.Status'} if (exists($ENV{'form.Status'}));
+    }
 
     my $OpSel1 = '';
     my $OpSel2 = '';
@@ -462,182 +509,123 @@ sub StatusOptions {
 
     my $Str = '';
     $Str .= '<select name="Status"';
-    if(defined($formName) && $formName ne '') {
+    if(defined($formName) && $formName ne '' && ! defined($onchange)) {
         $Str .= ' onchange="document.'.$formName.'.submit()"';
     }
+    if (defined($onchange)) {
+        $Str .= ' onchange="'.$onchange.'"';
+    }
+    $Str .= ' size="'.$size.'" ';
     $Str .= '>'."\n";
-    $Str .= '<option'.$OpSel1.'>Active</option>'."\n";
-    $Str .= '<option'.$OpSel2.'>Expired</option>'."\n";
-    $Str .= '<option'.$OpSel3.'>Any</option>'."\n";
+    $Str .= '<option value="Active" '.$OpSel1.'>'.
+        &mt('Currently Enrolled').'</option>'."\n";
+    $Str .= '<option value="Expired" '.$OpSel2.'>'.
+        &mt('Previously Enrolled').'</option>'."\n";
+    $Str .= '<option value="Any" '.$OpSel3.'>'.
+        &mt('Any Enrollment Status').'</option>'."\n";
     $Str .= '</select>'."\n";
 }
 
-
 ########################################################
 ########################################################
 
 =pod
 
-=item &MultipleSectionSelect()
+=item Progess Window Handling Routines
 
-Inputs: 
+These routines handle the creation, update, increment, and closure of 
+progress windows.  The progress window reports to the user the number
+of items completed and an estimate of the time required to complete the rest.
 
 =over 4
 
-=item $sections A references to an array containing the names of all the
-sections used in a class.
-
-=item $selectedSections A reference to an array containing the names of the
-currently selected sections.
-
-=back 
 
-Returns: a string containing HTML for a multiple select box for
-selecting sections of a course.  
+=item &Create_PrgWin
 
-The form element name is 'Section'.  @$sections is sorted prior to output.
+Writes javascript to the client to open a progress window and returns a
+data structure used for bookkeeping.
 
-=cut
+Inputs
 
-########################################################
-########################################################
-sub MultipleSectionSelect {
-    my ($sections,$selectedSections)=@_;
+=over 4
 
-    my $Str = '';
-    $Str .= '<select name="Section" multiple="true" size="4">'."\n";
+=item $r Apache request
 
-    foreach (sort @$sections) {
-        $Str .= '<option';
-        foreach my $selected (@$selectedSections) {
-            if($_ eq $selected) {
-                $Str .= ' selected=""';
-            }
-        }
-        $Str .= '>'.$_.'</option>'."\n";
-    }
-    $Str .= '</select>'."\n";
-    
-    return $Str;
-}
+=item $title The title of the progress window
 
-########################################################
-########################################################
+=item $heading A description (usually 1 line) of the process being initiated.
 
-=pod
+=item $number_to_do The total number of items being processed.
 
-=item &Title()
+=item $type Either 'popup' or 'inline' (popup is assumed if nothing is
+       specified)
 
-Inputs: $pageName a string containing the name of the page to be sent
-to &Apache::loncommon::bodytag.
+=item $width Specify the width in charaters of the input field.
 
-Returns: string containing being <html> and complete <head> and <title>
-as well as a <script> to focus the current window and change its width
-and height to 500.  Why?  I do not know.  If you find out, please update
-this documentation.
+=item $formname Only useful in the inline case, if a form already exists, this needs to be used and specfiy the name of the form, otherwise the Progress line will be created in a new form of it's own
 
-=cut
+=item $inputname Only useful in the inline case, if a form and an input of type text exists, use this to specify the name of the input field 
 
-########################################################
-########################################################
-sub Title {
-    my ($pageName)=@_;
-
-    my $Str = '';
-
-    $Str .= '<html><head><title>'.$pageName.'</title></head>'."\n";
-    $Str .= &Apache::loncommon::bodytag($pageName)."\n";
-    $Str .= '<script>window.focus(); window.width=500;window.height=500;';
-    $Str .= '</script>'."\n";
+=back
 
-    return $Str;
-}
+Returns a hash containing the progress state data structure.
 
-########################################################
-########################################################
 
-=pod
+=item &Update_PrgWin
 
-=item &CreateHeadings()
+Updates the text in the progress indicator.  Does not increment the count.
+See &Increment_PrgWin.
 
-This function generates the column headings for the chart.
+Inputs:
 
 =over 4
 
-Inputs: $CacheData, $keyID, $headings, $spacePadding
+=item $r Apache request
 
-$CacheData: pointer to a hash tied to the cached data database
+=item $prog_state Pointer to the data structure returned by &Create_PrgWin
 
-$keyID: a pointer to an array containing the names of the data 
-held in a column and is used as part of a key into $CacheData
+=item $displaystring The string to write to the status indicator
 
-$headings: The names of the headings for the student information
-
-$spacePadding: The spaces to go between columns
-
-Output: $Str
+=back
 
-$Str: A formatted string of the table column headings.
+Returns: none
 
-=back
 
-=cut
+=item Increment_PrgWin
 
-########################################################
-########################################################
-sub CreateHeadings {
-    my ($data,$keyID,$headings,$displayString,$format)=@_;
-    my $Str='';
-    my $formatting = '';
-
-    for(my $index=0; $index<(scalar @$headings); $index++) {
- 	my $currentHeading=$headings->[$index];
-        if($format eq 'preformatted') {
-            my @dataLength=split(//,$currentHeading);
-            my $length=scalar @dataLength;
-            $formatting = (' 'x
-                      ($data->{$keyID->[$index].':columnWidth'}-$length));
-        }
-        my $linkdata=$keyID->[$index];
+Increment the count of items completed for the progress window by 1.  
 
-        my $tempString = $displayString;
-        $tempString =~ s/LINKDATA/$linkdata/;
-        $tempString =~ s/DISPLAYDATA/$currentHeading/;
-        $tempString =~ s/FORMATTING/$formatting/;
+Inputs:
 
-        $Str .= $tempString;
-    }
+=over 4
 
-    return $Str;
-}
+=item $r Apache request
 
-########################################################
-########################################################
+=item $prog_state Pointer to the data structure returned by Create_PrgWin
 
-=pod
+=item $extraInfo A description of the items being iterated over.  Typically
+'student'.
 
-=item &FormatStudentInformation()
+=back
 
-This function produces a formatted string of the student\'s information:
-username, domain, section, full name, and PID.
+Returns: none
 
-=over 4
 
-Input: $cache, $name, $keyID, $spacePadding
+=item Close_PrgWin
 
-$cache: This is a pointer to a hash that is tied to the cached data
+Closes the progress window.
 
-$name:  The name and domain of the current student in name:domain format
+Inputs:
 
-$keyID: A pointer to an array holding the names used to
+=over 4 
 
-remove data from the hash.  They represent the name of the data to be removed.
+=item $r Apache request
 
-$spacePadding: Extra spaces that represent the space between columns
+=item $prog_state Pointer to the data structure returned by Create_PrgWin
 
-Output: $Str
+=back
 
-$Str: Formatted string.
+Returns: none
 
 =back
 
@@ -645,101 +633,208 @@ $Str: Formatted string.
 
 ########################################################
 ########################################################
-sub FormatStudentInformation {
-    my ($data,$name,$keyID,$displayString,$format)=@_;
-    my $Str='';
-    my $currentColumn;
-
-    for(my $index=0; $index<(scalar @$keyID); $index++) {
-        $currentColumn=$data->{$name.':'.$keyID->[$index]};
-
-        if($format eq 'preformatted') {
-            my @dataLength=split(//,$currentColumn);
-            my $length=scalar @dataLength;
-            $currentColumn.= (' 'x
-                     ($data->{$keyID->[$index].':columnWidth'}-$length));
-        }
 
-        my $tempString = $displayString;
-        $tempString =~ s/DISPLAYDATA/$currentColumn/;
-
-        $Str .= $tempString;
-    }
-
-    return $Str;
+my $uniq=0;
+sub get_uniq_name {
+    $uniq++;
+    return 'uniquename'.$uniq;
 }
 
-########################################################
-########################################################
-
 # Create progress
 sub Create_PrgWin {
-    my ($r, $title, $heading, $number_to_do)=@_;
-    $r->print('<script>'.
-    "popwin=open(\'\',\'popwin\',\'width=400,height=100\');".
-    "popwin.document.writeln(\'<html><head><title>$title</title></head>".
+    my ($r, $title, $heading, $number_to_do,$type,$width,$formname,
+	$inputname)=@_;
+    if (!defined($type)) { $type='popup'; }
+    if (!defined($width)) { $width=55; }
+    my %prog_state;
+    $prog_state{'type'}=$type;
+    if ($type eq 'popup') {
+	$prog_state{'window'}='popwin';
+	#the whole function called through timeout is due to issues
+	#in mozilla Read BUG #2665 if you want to know the whole story
+	&r_print($r,'<script>'.
+        "var popwin;
+         function openpopwin () {
+         popwin=open(\'\',\'popwin\',\'width=400,height=100\');".
+        "popwin.document.writeln(\'<html><head><title>$title</title></head>".
 	      "<body bgcolor=\"#88DDFF\">".
               "<h4>$heading</h4>".
               "<form name=popremain>".
-              "<input type=text size=55 name=remaining value=Starting></form>".
+              '<input type="text" size="'.$width.'" name="remaining" value="'.
+	      &mt('Starting').'"></form>'.
               "</body></html>\');".
-    "popwin.document.close();".
-    "</script>");
+        "popwin.document.close();}".
+        "\nwindow.setTimeout(openpopwin,0)</script>");
+	$prog_state{'formname'}='popremain';
+	$prog_state{'inputname'}="remaining";
+    } elsif ($type eq 'inline') {
+	$prog_state{'window'}='window';
+	if (!$formname) {
+	    $prog_state{'formname'}=&get_uniq_name();
+	    &r_print($r,'<form name="'.$prog_state{'formname'}.'">');
+	} else {
+	    $prog_state{'formname'}=$formname;
+	}
+	if (!$inputname) {
+	    $prog_state{'inputname'}=&get_uniq_name();
+	    &r_print($r,'<input type="text" name="'.$prog_state{'inputname'}.
+		     '" size="'.$width.'" />');
+	} else {
+	    $prog_state{'inputname'}=$inputname;
+	    
+	}
+	if (!$formname) { &r_print($r,'</form>'); }
+	&Update_PrgWin($r,\%prog_state,&mt('Starting'));
+    }
 
-    my %prog_state;
     $prog_state{'done'}=0;
-    $prog_state{'firststart'}=time;
-    $prog_state{'laststart'}=time;
+    $prog_state{'firststart'}=&Time::HiRes::time();
+    $prog_state{'laststart'}=&Time::HiRes::time();
     $prog_state{'max'}=$number_to_do;
-
-    $r->rflush();
+    
     return %prog_state;
 }
 
 # update progress
 sub Update_PrgWin {
     my ($r,$prog_state,$displayString)=@_;
-    $r->print('<script>popwin.document.popremain.remaining.value="'.
-              $displayString.'";</script>');
-    $$prog_state{'laststart'}=time;
-    $r->rflush();
+    &r_print($r,'<script>'.$$prog_state{'window'}.'.document.'.
+	     $$prog_state{'formname'}.'.'.
+	     $$prog_state{'inputname'}.'.value="'.
+	     $displayString.'";</script>');
+    $$prog_state{'laststart'}=&Time::HiRes::time();
 }
 
 # increment progress state
 sub Increment_PrgWin {
     my ($r,$prog_state,$extraInfo)=@_;
     $$prog_state{'done'}++;
-    my $time_est= (time - $$prog_state{'firststart'})/$$prog_state{'done'} *
+    my $time_est= (&Time::HiRes::time() - $$prog_state{'firststart'})/
+        $$prog_state{'done'} *
 	($$prog_state{'max'}-$$prog_state{'done'});
     $time_est = int($time_est);
     if (int ($time_est/60) > 0) {
 	my $min = int($time_est/60);
 	my $sec = $time_est % 60;
-	$time_est = $min.' minutes';
-	if ($sec > 1) {
-	    $time_est.= ', '.$sec.' seconds';
-	} elsif ($sec > 0) {
-	    $time_est.= ', '.$sec.' second';
-	}
+	$time_est = $min.' '.&mt('minutes');
+        if ($min < 10)  {
+            if ($sec > 1) {
+                $time_est.= ', '.$sec.' '.&mt('seconds');
+            } elsif ($sec > 0) {
+                $time_est.= ', '.$sec.' '.&mt('second');
+            }
+        }
     } else {
-	$time_est .= ' seconds';
+	$time_est .= ' '.&mt('seconds');
     }
-
-    $r->print('<script>popwin.document.popremain.remaining.value="'.
-	      $$prog_state{'done'}.'/'.$$prog_state{'max'}.
-	      ': '.$time_est.' remaining ('.(time-$$prog_state{'laststart'}).
-	      ' seconds for '.$extraInfo.')";'.'</script>');
-    $$prog_state{'laststart'}=time;
-    $r->rflush();
+    my $lasttime = &Time::HiRes::time()-$$prog_state{'laststart'};
+    if ($lasttime > 9) {
+        $lasttime = int($lasttime);
+    } elsif ($lasttime < 0.01) {
+        $lasttime = 0;
+    } 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') {
+        $lasttime = '';
+    }
+    &r_print($r,'<script>'.$$prog_state{'window'}.'.document.'.
+	     $$prog_state{'formname'}.'.'.
+	     $$prog_state{'inputname'}.'.value="'.
+	     $$prog_state{'done'}.'/'.$$prog_state{'max'}.
+	     ': '.$time_est.' '.&mt('remaining').' '.$lasttime.'";'.'</script>');
+    $$prog_state{'laststart'}=&Time::HiRes::time();
 }
 
 # close Progress Line
 sub Close_PrgWin {
     my ($r,$prog_state)=@_;
-    $r->print('<script>popwin.close()</script>'."\n");
+    if ($$prog_state{'type'} eq 'popup') {
+	&r_print($r,'<script>popwin.close()</script>'."\n");
+    } elsif ($$prog_state{'type'} eq 'inline') {
+	&Update_PrgWin($r,$prog_state,&mt('Done'));
+    }
     undef(%$prog_state);
-    $r->rflush(); 
+}
+
+sub r_print {
+    my ($r,$to_print)=@_;
+    if ($r) {
+	$r->print($to_print);
+	$r->rflush();
+    } else {
+	print($to_print);
+    }
+}
+
+# ------------------------------------------------------- Puts directory header
+
+sub crumbs {
+    my ($uri,$target,$prefix,$form)=@_;
+    my $output='<br /><tt><b><font size="+2">'.$prefix.'/';
+    if ($ENV{'user.adv'}) {
+	my $path=$prefix.'/';
+	foreach (split('/',$uri)) {
+	    unless ($_) { next; }
+	    $path.=$_;
+	    unless ($path eq $uri) { $path.='/'; }
+	    my $linkpath=$path;
+	    if ($form) {
+		$linkpath="javascript:$form.action='$path';$form.submit();";
+	    }
+	    $output.='<a href="'.$linkpath.'"'.($target?' target="'.$target.'"':'').'>'.$_.'</a>/';
+	}
+    } else {
+	$output.=$uri;
+    }
+    unless ($uri=~/\/$/) { $output=~s/\/$//; }
+    return $output.'</font></b></tt><br />';
+}
+
+# ------------------------------------------------- Output headers for HTMLArea
+
+sub htmlareaheaders {
+    unless (&htmlareabrowser()) { return ''; }
+    my $lang='en';
+    return (<<ENDHEADERS);
+<script type="text/javascript" src="/htmlarea/htmlarea.js"></script>
+<script type="text/javascript" src="/htmlarea/lang/$lang.js"></script>
+<script type="text/javascript" src="/htmlarea/dialog.js"></script>
+<style type="text/css">
+\@import url(/htmlarea/htmlarea.css);
+</style>
+ENDHEADERS
+}
+
+# ---------------------------------------------------------- Script to activate
+
+sub htmlareaactive {
+    unless (&htmlareabrowser()) { return ''; }
+    return (<<ENDSCRIPT);
+<script type="text/javascript" defer="1">
+    HTMLArea.replaceAll();
+</script>
+ENDSCRIPT
+}
+
+# ---------------------------------------- Browser capable of running HTMLArea?
+
+sub htmlareabrowser {
+    return 1;
 }
 
 1;
+
 __END__