[BACK]Return to lonhtmlcommon.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / interface

Diff for /loncom/interface/lonhtmlcommon.pm between versions 1.25 and 1.50

version 1.25, 2003/06/19 15:02:37 version 1.50, 2004/02/16 22:32:19
Line 56  html. Line 56  html.
 package Apache::lonhtmlcommon;  package Apache::lonhtmlcommon;
   
 use Time::Local;  use Time::Local;
   use Time::HiRes;
   use Apache::lonlocal;
 use strict;  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;
   }
   
 ##############################################  ##############################################
 ##############################################  ##############################################
   
Line 85  The current setting for this time parame Line 197  The current setting for this time parame
 An undefined value is taken to indicate the value is the current time.  An undefined value is taken to indicate the value is the current time.
 Also, to be explicit, a value of 'now' also indicates 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  =back
   
 Bugs  Bugs
Line 96  The method used to restrict user input w Line 213  The method used to restrict user input w
 ##############################################  ##############################################
 ##############################################  ##############################################
 sub date_setter {  sub date_setter {
     my ($formname,$dname,$currentvalue) = @_;      my ($formname,$dname,$currentvalue,$special,$includeempty) = @_;
     if (! defined($currentvalue) || $currentvalue eq 'now') {      if (! defined($currentvalue) || $currentvalue eq 'now') {
         $currentvalue = time;   unless ($includeempty) {
       $currentvalue = time;
    } else {
       $currentvalue = 0;
    }
     }      }
     # other potentially useful values:     wkday,yrday,is_daylight_savings      # other potentially useful values:     wkday,yrday,is_daylight_savings
     my ($sec,$min,$hour,$mday,$month,$year,undef,undef,undef) =       my ($sec,$min,$hour,$mday,$month,$year)=('','','','','','');
         localtime($currentvalue);      if ($currentvalue) {
     $year += 1900;   ($sec,$min,$hour,$mday,$month,$year,undef,undef,undef) = 
       localtime($currentvalue);
    $year += 1900;
       }
     my $result = "\n<!-- $dname date setting form -->\n";      my $result = "\n<!-- $dname date setting form -->\n";
     $result .= <<ENDJS;      $result .= <<ENDJS;
 <script language="Javascript">  <script language="Javascript">
Line 137  sub date_setter { Line 261  sub date_setter {
             document.$formname.$dname\_day.value = 30;              document.$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>  </script>
 ENDJS  ENDJS
     $result .= "  <select name=\"$dname\_month\" ".      $result .= "  <nobr><select name=\"$dname\_month\" ".$special.' '.
         "onChange=\"javascript:$dname\_checkday()\" >\n";          "onChange=\"javascript:$dname\_checkday()\" >\n";
     my @Months = qw/January February  March     April   May      June       my @Months = qw/January February  March     April   May      June 
                     July    August    September October November December/;                      July    August    September October November December/;
     # Pad @Months with a bogus value to make indexing easier      # Pad @Months with a bogus value to make indexing easier
     unshift(@Months,'If you can read this an error occurred');      unshift(@Months,'If you can read this an error occurred');
       if ($includeempty) { $result.="<option value=''></option>"; }
     for(my $m = 1;$m <=$#Months;$m++) {      for(my $m = 1;$m <=$#Months;$m++) {
         $result .= "      <option value=\"$m\" ";          $result .= "      <option value=\"$m\" ";
         $result .= "selected " if ($m-1 == $month);          $result .= "selected " if ($m-1 eq $month);
         $result .= "> $Months[$m] </option>\n";          $result .= "> ".&mt($Months[$m])." </option>\n";
     }      }
     $result .= "  </select>\n";      $result .= "  </select>\n";
     $result .= "  <input type=\"text\" name=\"$dname\_day\" ".      $result .= "  <input type=\"text\" name=\"$dname\_day\" ".
             "value=\"$mday\" size=\"3\" ".              "value=\"$mday\" size=\"3\" ".$special.' '.
             "onChange=\"javascript:$dname\_checkday()\" />\n";              "onChange=\"javascript:$dname\_checkday()\" />\n";
     $result .= "  <input type=\"year\" name=\"$dname\_year\" ".      $result .= "  <input type=\"year\" name=\"$dname\_year\" ".
             "value=\"$year\" size=\"5\" ".              "value=\"$year\" size=\"5\" ".$special.' '.
             "onChange=\"javascript:$dname\_checkday()\" />\n";              "onChange=\"javascript:$dname\_checkday()\" />\n";
     $result .= "&nbsp;&nbsp;";      $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++) {      for (my $h = 0;$h<24;$h++) {
         $result .= "      <option value=\"$h\" ";          $result .= "      <option value=\"$h\" ";
         $result .= "selected " if ($hour == $h);          $result .= "selected " if ($hour == $h);
         $result .= "> ";          $result .= "> ";
    my $timest='';
         if ($h == 0) {          if ($h == 0) {
             $result .= "12 am";              $timest .= "12 am";
         } elsif($h == 12) {          } elsif($h == 12) {
             $result .= "12 noon";              $timest .= "12 noon";
         } elsif($h < 12) {          } elsif($h < 12) {
             $result .= "$h am";              $timest .= "$h am";
         } else {          } else {
             $result .= $h-12 ." pm";              $timest .= $h-12 ." pm";
         }          }
         $result .= " </option>\n";   $timest=&mt($timest);
           $result .= $timest." </option>\n";
     }       } 
     $result .= "  </select>\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";          "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";          "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;      return $result;
 }  }
   
Line 230  sub get_date_from_form { Line 369  sub get_date_from_form {
     }      }
     if (defined($ENV{'form.'.$dname.'_hour'})) {      if (defined($ENV{'form.'.$dname.'_hour'})) {
         my $tmphour = $ENV{'form.'.$dname.'_hour'};          my $tmphour = $ENV{'form.'.$dname.'_hour'};
         if (($tmphour =~ /^\d+$/) && ($tmphour > 0) && ($tmphour < 32)) {          if (($tmphour =~ /^\d+$/) && ($tmphour >= 0) && ($tmphour < 24)) {
             $hour = $tmphour;              $hour = $tmphour;
         }          }
     }      }
Line 253  sub get_date_from_form { Line 392  sub get_date_from_form {
         }          }
     }      }
     if (($year<70) || ($year>137)) { return undef; }      if (($year<70) || ($year>137)) { return undef; }
     if (eval(&timelocal($sec,$min,$hour,$day,$month,$year))) {      if (defined($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,$year);          return &timelocal($sec,$min,$hour,$day,$month,$year);
     } else {      } else {
         return undef;          return undef;
Line 341  the selection box is set to document.$fo Line 482  the selection box is set to document.$fo
   
 $size: the size (number of lines) of the selection box.  $size: the size (number of lines) of the selection box.
   
   $onchange: javascript to use when the value is changed.  Enclosed in 
   double quotes, ""s, not single quotes.
   
 Returns: a perl string as described.  Returns: a perl string as described.
   
 =cut  =cut
Line 348  Returns: a perl string as described. Line 492  Returns: a perl string as described.
 ##############################################  ##############################################
 ##############################################  ##############################################
 sub StatusOptions {  sub StatusOptions {
     my ($status, $formName,$size)=@_;      my ($status, $formName,$size,$onchange)=@_;
     $size = 1 if (!defined($size));      $size = 1 if (!defined($size));
     if (! defined($status)) {      if (! defined($status)) {
         $status = 'Active';          $status = 'Active';
Line 365  sub StatusOptions { Line 509  sub StatusOptions {
   
     my $Str = '';      my $Str = '';
     $Str .= '<select name="Status"';      $Str .= '<select name="Status"';
     if(defined($formName) && $formName ne '') {      if(defined($formName) && $formName ne '' && ! defined($onchange)) {
         $Str .= ' onchange="document.'.$formName.'.submit()"';          $Str .= ' onchange="document.'.$formName.'.submit()"';
     }      }
       if (defined($onchange)) {
           $Str .= ' onchange="'.$onchange.'"';
       }
     $Str .= ' size="'.$size.'" ';      $Str .= ' size="'.$size.'" ';
     $Str .= '>'."\n";      $Str .= '>'."\n";
     $Str .= '<option value="Active" '.$OpSel1.'>'.      $Str .= '<option value="Active" '.$OpSel1.'>'.
         'Currently Enrolled</option>'."\n";          &mt('Currently Enrolled').'</option>'."\n";
     $Str .= '<option value="Expired" '.$OpSel2.'>'.      $Str .= '<option value="Expired" '.$OpSel2.'>'.
         'Previously Enrolled</option>'."\n";          &mt('Previously Enrolled').'</option>'."\n";
     $Str .= '<option value="Any" '.$OpSel3.'>'.      $Str .= '<option value="Any" '.$OpSel3.'>'.
         'Any Enrollment Status</option>'."\n";          &mt('Any Enrollment Status').'</option>'."\n";
     $Str .= '</select>'."\n";      $Str .= '</select>'."\n";
 }  }
   
   
 ########################################################  
 ########################################################  
   
 =pod  
   
 =item &MultipleSectionSelect()  
   
 Inputs:   
   
 =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.    
   
 The form element name is 'Section'.  @$sections is sorted prior to output.  
   
 =cut  
   
 ########################################################  
 ########################################################  
 sub MultipleSectionSelect {  
     my ($sections,$selectedSections)=@_;  
   
     my $Str = '';  
     $Str .= '<select name="Section" multiple="true" size="4">'."\n";  
   
     foreach (sort @$sections) {  
         $Str .= '<option';  
         foreach my $selected (@$selectedSections) {  
             if($_ eq $selected) {  
                 $Str .= ' selected=""';  
             }  
         }  
         $Str .= '>'.$_.'</option>'."\n";  
     }  
     $Str .= '</select>'."\n";  
       
     return $Str;  
 }  
   
 ########################################################  
 ########################################################  
   
 =pod  
   
 =item &Title()  
   
 Inputs: $pageName a string containing the name of the page to be sent  
 to &Apache::loncommon::bodytag.  
   
 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.  
   
 =cut  
   
 ########################################################  
 ########################################################  
 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";  
   
     return $Str;  
 }  
   
 ########################################################  
 ########################################################  
   
 =pod  
   
 =item &CreateHeadings()  
   
 This function generates the column headings for the chart.  
   
 =over 4  
   
 Inputs: $CacheData, $keyID, $headings, $spacePadding  
   
 $CacheData: pointer to a hash tied to the cached data database  
   
 $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  
   
 $headings: The names of the headings for the student information  
   
 $spacePadding: The spaces to go between columns  
   
 Output: $Str  
   
 $Str: A formatted string of the table column headings.  
   
 =back  
   
 =cut  
   
 ########################################################  
 ########################################################  
 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];  
   
         my $tempString = $displayString;  
         $tempString =~ s/LINKDATA/$linkdata/;  
         $tempString =~ s/DISPLAYDATA/$currentHeading/;  
         $tempString =~ s/FORMATTING/$formatting/;  
   
         $Str .= $tempString;  
     }  
   
     return $Str;  
 }  
   
 ########################################################  
 ########################################################  
   
 =pod  
   
 =item &FormatStudentInformation()  
   
 This function produces a formatted string of the student\'s information:  
 username, domain, section, full name, and PID.  
   
 =over 4  
   
 Input: $cache, $name, $keyID, $spacePadding  
   
 $cache: This is a pointer to a hash that is tied to the cached data  
   
 $name:  The name and domain of the current student in name:domain format  
   
 $keyID: A pointer to an array holding the names used to  
   
 remove data from the hash.  They represent the name of the data to be removed.  
   
 $spacePadding: Extra spaces that represent the space between columns  
   
 Output: $Str  
   
 $Str: Formatted string.  
   
 =back  
   
 =cut  
   
 ########################################################  
 ########################################################  
 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;  
 }  
   
 ########################################################  ########################################################
 ########################################################  ########################################################
   
Line 607  Inputs Line 557  Inputs
   
 =item $number_to_do The total number of items being processed.  =item $number_to_do The total number of items being processed.
   
   =item $type Either 'popup' or 'inline' (popup is assumed if nothing is
          specified)
   
   =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
   
   =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 
   
 =back  =back
   
 Returns a hash containing the progress state data structure.  Returns a hash containing the progress state data structure.
Line 677  Returns: none Line 634  Returns: none
   
 # Create progress  # Create progress
 sub Create_PrgWin {  sub Create_PrgWin {
     my ($r, $title, $heading, $number_to_do)=@_;      my ($r, $title, $heading, $number_to_do,$type,$formname,$inputname)=@_;
     $r->print('<script>'.      if (!defined($type)) { $type='popup'; }
     "popwin=open(\'\',\'popwin\',\'width=400,height=100\');".      my %prog_state;
     "popwin.document.writeln(\'<html><head><title>$title</title></head>".      $prog_state{'type'}=$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>$title</title></head>".
       "<body bgcolor=\"#88DDFF\">".        "<body bgcolor=\"#88DDFF\">".
               "<h4>$heading</h4>".                "<h4>$heading</h4>".
               "<form name=popremain>".                "<form name=popremain>".
               "<input type=text size=55 name=remaining value=Starting></form>".                '<input type="text" size="55" name="remaining" value="'.
         &mt('Starting').'"></form>'.
               "</body></html>\');".                "</body></html>\');".
     "popwin.document.close();".          "popwin.document.close();}".
     "</script>");          "\nwindow.setTimeout(openpopwin,0)</script>");
    $prog_state{'formname'}='popremain';
    $prog_state{'inputname'}="remaining";
       } elsif ($type eq 'inline') {
    $prog_state{'window'}='window';
    if (!$formname) {
       &r_print($r,'<form name="progresswindow">');
       $prog_state{'formname'}='progresswindow';
    } else {
       $prog_state{'formname'}=$formname;
    }
    if (!$inputname) {
       &r_print($r,'<input type="text" name="progressline" />');
       $prog_state{'inputname'}="progressline";
    } 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{'done'}=0;
     $prog_state{'firststart'}=&Time::HiRes::time();      $prog_state{'firststart'}=&Time::HiRes::time();
     $prog_state{'laststart'}=&Time::HiRes::time();      $prog_state{'laststart'}=&Time::HiRes::time();
     $prog_state{'max'}=$number_to_do;      $prog_state{'max'}=$number_to_do;
       
     $r->rflush();  
     return %prog_state;      return %prog_state;
 }  }
   
 # update progress  # update progress
 sub Update_PrgWin {  sub Update_PrgWin {
     my ($r,$prog_state,$displayString)=@_;      my ($r,$prog_state,$displayString)=@_;
     $r->print('<script>popwin.document.popremain.remaining.value="'.      &r_print($r,'<script>'.$$prog_state{'window'}.'.document.'.
               $displayString.'";</script>');       $$prog_state{'formname'}.'.'.
        $$prog_state{'inputname'}.'.value="'.
        $displayString.'";</script>');
     $$prog_state{'laststart'}=&Time::HiRes::time();      $$prog_state{'laststart'}=&Time::HiRes::time();
     $r->rflush();  
 }  }
   
 # increment progress state  # increment progress state
Line 719  sub Increment_PrgWin { Line 705  sub Increment_PrgWin {
     if (int ($time_est/60) > 0) {      if (int ($time_est/60) > 0) {
  my $min = int($time_est/60);   my $min = int($time_est/60);
  my $sec = $time_est % 60;   my $sec = $time_est % 60;
  $time_est = $min.' minutes';   $time_est = $min.' '.&mt('minutes');
         if ($min < 10)  {          if ($min < 10)  {
             if ($sec > 1) {              if ($sec > 1) {
                 $time_est.= ', '.$sec.' seconds';                  $time_est.= ', '.$sec.' '.&mt('seconds');
             } elsif ($sec > 0) {              } elsif ($sec > 0) {
                 $time_est.= ', '.$sec.' second';                  $time_est.= ', '.$sec.' '.&mt('second');
             }              }
         }          }
     } else {      } else {
  $time_est .= ' seconds';   $time_est .= ' '.&mt('seconds');
     }      }
     my $lasttime = &Time::HiRes::time()-$$prog_state{'laststart'};      my $lasttime = &Time::HiRes::time()-$$prog_state{'laststart'};
     if ($lasttime > 9) {      if ($lasttime > 9) {
Line 739  sub Increment_PrgWin { Line 725  sub Increment_PrgWin {
         $lasttime = sprintf("%3.2f",$lasttime);          $lasttime = sprintf("%3.2f",$lasttime);
     }      }
     if ($lasttime == 1) {      if ($lasttime == 1) {
         $lasttime = '('.$lasttime.' second for '.$extraInfo.')';          $lasttime = '('.$lasttime.' '.&mt('second for').' '.$extraInfo.')';
     } else {      } else {
         $lasttime = '('.$lasttime.' seconds for '.$extraInfo.')';          $lasttime = '('.$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 = '';
     }      }
     $r->print('<script>popwin.document.popremain.remaining.value="'.      &r_print($r,'<script>'.$$prog_state{'window'}.'.document.'.
       $$prog_state{'done'}.'/'.$$prog_state{'max'}.       $$prog_state{'formname'}.'.'.
       ': '.$time_est.' remaining '.$lasttime.'";'.'</script>');       $$prog_state{'inputname'}.'.value="'.
        $$prog_state{'done'}.'/'.$$prog_state{'max'}.
        ': '.$time_est.' '.&mt('remaining').' '.$lasttime.'";'.'</script>');
     $$prog_state{'laststart'}=&Time::HiRes::time();      $$prog_state{'laststart'}=&Time::HiRes::time();
     $r->rflush();  
 }  }
   
 # close Progress Line  # close Progress Line
 sub Close_PrgWin {  sub Close_PrgWin {
     my ($r,$prog_state)=@_;      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(%$prog_state);      undef(%$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 />';
   }
   
   
 1;  1;
   
 __END__  __END__
Removed from v.1.25  
changed lines
  Added in v.1.50

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