--- loncom/interface/lonhtmlcommon.pm 2003/03/03 21:52:24 1.14
+++ loncom/interface/lonhtmlcommon.pm 2005/06/06 15:54:28 1.107
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# a pile of common html routines
#
-# $Id: lonhtmlcommon.pm,v 1.14 2003/03/03 21:52:24 albertel Exp $
+# $Id: lonhtmlcommon.pm,v 1.107 2005/06/06 15:54:28 www Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -55,8 +55,157 @@ html.
package Apache::lonhtmlcommon;
-use Time::Local;
use strict;
+use Time::Local;
+use Time::HiRes;
+use Apache::lonlocal;
+use Apache::lonnet;
+
+##############################################
+##############################################
+
+=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="'.&Apache::loncommon::lonhttpdurl('/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 remove_recent {
+ my ($area,$names)=@_;
+ my $file=&recent_filename($area);
+ return &Apache::lonnet::del($file,$names);
+}
+
+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\:/) {
+ my $escaped = &Apache::loncommon::escape_url($_);
+ $return.="\n<option value='$escaped'>".
+ &Apache::lonnet::unescape((split(/\&/,$recent{$_}))[1]).
+ '</option>';
+ }
+ }
+ $return.="\n</select>\n";
+ return $return;
+}
+
+sub get_recent {
+ my ($area, $n) = @_;
+ my %recent=&Apache::lonnet::dump(&recent_filename($area));
+
+# Create hash with key as time and recent as value
+ my %time_hash = ();
+ foreach (keys %recent) {
+ my $thistime=(split(/\&/,$recent{$_}))[0];
+ $time_hash{$thistime} = $_;
+ }
+
+# Sort by decreasing time and return key value pairs
+ my %return_hash = ();
+ my $idx = 1;
+ foreach (reverse sort keys %time_hash) {
+ $return_hash{$time_hash{$_}} =
+ &Apache::lonnet::unescape((split(/\&/,$recent{$_}))[1]);
+ if ($n && ($idx++ >= $n)) {last;}
+ }
+
+ return %return_hash;
+}
+
+
+
+=pod
+
+=item textbox
+
+=cut
+
+##############################################
+##############################################
+sub textbox {
+ my ($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,$checked,$value) = @_;
+ my $Str = '<input type="checkbox" name="'.$name.'" ';
+ if (defined($value)) {
+ $Str .= 'value="'.$value.'"';
+ }
+ if ($checked) {
+ $Str .= ' checked="1"';
+ }
+ $Str .= ' />';
+ return $Str;
+}
##############################################
##############################################
@@ -65,6 +214,9 @@ 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 +234,57 @@ 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.
+
+=item $includeempty
+
+=item $state
+
+Specifies the initial state of the form elements. Either 'disabled' or empty.
+Defaults to empty, which indiciates the form elements are not disabled.
+
+=back
+
+Bugs
+
+The method used to restrict user input will fail in the year 2400.
+
=cut
##############################################
##############################################
sub date_setter {
- my ($formname,$dname,$currentvalue) = @_;
+ my ($formname,$dname,$currentvalue,$special,$includeempty,$state,
+ $no_hh_mm_ss) = @_;
+ my $wasdefined=1;
+ if (! defined($state) || $state ne 'disabled') {
+ $state = '';
+ }
+ if (! defined($no_hh_mm_ss)) {
+ $no_hh_mm_ss = 0;
+ }
if (! defined($currentvalue) || $currentvalue eq 'now') {
- $currentvalue = time;
+ unless ($includeempty) {
+ $currentvalue = time;
+ $wasdefined=0;
+ } 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,$year)=('','',undef,'','','');
+ if ($currentvalue) {
+ ($sec,$min,$hour,$mday,$month,$year,undef,undef,undef) =
+ localtime($currentvalue);
+ $year += 1900;
+ }
+ unless ($wasdefined) {
+ $sec=0;
+ $min=0;
+ }
my $result = "\n<!-- $dname date setting form -->\n";
$result .= <<ENDJS;
<script language="Javascript">
@@ -128,57 +318,106 @@ sub date_setter {
document.$formname.$dname\_day.value = 30;
}
}
+
+ function $dname\_disable() {
+ document.$formname.$dname\_month.disabled=true;
+ document.$formname.$dname\_day.disabled=true;
+ document.$formname.$dname\_year.disabled=true;
+ document.$formname.$dname\_hour.disabled=true;
+ document.$formname.$dname\_minute.disabled=true;
+ document.$formname.$dname\_second.disabled=true;
+ }
+
+ function $dname\_enable() {
+ document.$formname.$dname\_month.disabled=false;
+ document.$formname.$dname\_day.disabled=false;
+ document.$formname.$dname\_year.disabled=false;
+ document.$formname.$dname\_hour.disabled=false;
+ document.$formname.$dname\_minute.disabled=false;
+ document.$formname.$dname\_second.disabled=false;
+ }
+
+ function $dname\_opencalendar() {
+ if (! document.$formname.$dname\_month.disabled) {
+ var calwin=window.open(
+"/adm/announcements?pickdate=yes&formname=$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\" ".
- "onChange=\"javascript:$dname\_checkday()\" >\n";
+ $result .= ' <nobr>';
+ my $monthselector = qq{<select name="$dname\_month" $special $state onchange="javascript:$dname\_checkday()" >};
+ # Month
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) { $monthselector.="<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 .= " </select>\n";
- $result .= " <input type=\"text\" name=\"$dname\_day\" ".
- "value=\"$mday\" size=\"3\" ".
- "onChange=\"javascript:$dname\_checkday()\" />\n";
- $result .= " <input type=\"year\" name=\"$dname\_year\" ".
- "value=\"$year\" size=\"5\" ".
- "onChange=\"javascript:$dname\_checkday()\" />\n";
- $result .= " ";
- $result .= " <select name=\"$dname\_hour\" >\n";
+ $monthselector .= qq{ <option value="$m" };
+ $monthselector .= "selected " if ($m-1 eq $month);
+ $monthselector .= '> '.&mt($Months[$m]).' </option>';
+ }
+ $monthselector.= ' </select>';
+ # Day
+ my $dayselector = qq{<input type="text" name="$dname\_day" $state value="$mday" size="3" $special onchange="javascript:$dname\_checkday()" />};
+ # Year
+ my $yearselector = qq{<input type="year" name="$dname\_year" $state value="$year" size="5" $special onchange="javascript:$dname\_checkday()" />};
+ #
+ my $hourselector = qq{<select name="$dname\_hour" $special $state >};
+ if ($includeempty) {
+ $hourselector.=qq{<option value=''></option>};
+ }
for (my $h = 0;$h<24;$h++) {
- $result .= " <option value=\"$h\" ";
- $result .= "selected " if ($hour == $h);
- $result .= "> ";
+ $hourselector .= qq{<option value="$h" };
+ $hourselector .= "selected " if (defined($hour) && $hour == $h);
+ $hourselector .= ">";
+ 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";
- }
- $result .= " </select>\n";
- $result .= " <input type=\"text\" name=\"$dname\_minute\" ".
- "value=\"$min\" size=\"3\" /> m\n";
- $result .= " <input type=\"text\" name=\"$dname\_second\" ".
- "value=\"$sec\" size=\"3\" /> s\n";
- $result .= "<!-- end $dname date setting form -->\n";
+ $timest=&mt($timest);
+ $hourselector .= $timest." </option>\n";
+ }
+ $hourselector .= " </select>\n";
+ my $minuteselector = qq{<input type="text" name="$dname\_minute" $special $state value="$min" size="3" />};
+ my $secondselector= qq{<input type="text" name="$dname\_second" $special $state value="$sec" size="3" />};
+ my $cal_link = qq{<a href="javascript:$dname\_opencalendar()">};
+ #
+ if ($no_hh_mm_ss) {
+ $result .= &mt('[_1] [_2] [_3] [_4]Select Date[_5]',
+ $monthselector,$dayselector,$yearselector,
+ $cal_link,'</a>');
+ } else {
+ $result .= &mt('[_1] [_2] [_3] [_4] [_5]m [_6]s [_7]Select Date[_8]',
+ $monthselector,$dayselector,$yearselector,
+ $hourselector,$minuteselector,$secondselector,
+ $cal_link,'</a>');
+ }
+ $result .= "</nobr>\n<!-- end $dname date setting form -->\n";
return $result;
}
##############################################
##############################################
+=pod
+
=item &get_date_from_form
+get_date_from_form retrieves the date specified in an &date_setter form.
+
Inputs:
=over 4
@@ -203,43 +442,54 @@ sub get_date_from_form {
my ($dname) = @_;
my ($sec,$min,$hour,$day,$month,$year);
#
- if (defined($ENV{'form.'.$dname.'_second'})) {
- my $tmpsec = $ENV{'form.'.$dname.'_second'};
+ if (defined($env{'form.'.$dname.'_second'})) {
+ my $tmpsec = $env{'form.'.$dname.'_second'};
if (($tmpsec =~ /^\d+$/) && ($tmpsec >= 0) && ($tmpsec < 60)) {
$sec = $tmpsec;
}
+ if (!defined($tmpsec) || $tmpsec eq '') { $sec = 0; }
+ } else {
+ $sec = 0;
}
- if (defined($ENV{'form.'.$dname.'_minute'})) {
- my $tmpmin = $ENV{'form.'.$dname.'_minute'};
+ if (defined($env{'form.'.$dname.'_minute'})) {
+ my $tmpmin = $env{'form.'.$dname.'_minute'};
if (($tmpmin =~ /^\d+$/) && ($tmpmin >= 0) && ($tmpmin < 60)) {
$min = $tmpmin;
}
+ if (!defined($tmpmin) || $tmpmin eq '') { $min = 0; }
+ } else {
+ $min = 0;
}
- if (defined($ENV{'form.'.$dname.'_hour'})) {
- my $tmphour = $ENV{'form.'.$dname.'_hour'};
- if (($tmphour =~ /^\d+$/) && ($tmphour > 0) && ($tmphour < 32)) {
+ if (defined($env{'form.'.$dname.'_hour'})) {
+ my $tmphour = $env{'form.'.$dname.'_hour'};
+ if (($tmphour =~ /^\d+$/) && ($tmphour >= 0) && ($tmphour < 24)) {
$hour = $tmphour;
}
+ } else {
+ $hour = 0;
}
- if (defined($ENV{'form.'.$dname.'_day'})) {
- my $tmpday = $ENV{'form.'.$dname.'_day'};
+ if (defined($env{'form.'.$dname.'_day'})) {
+ my $tmpday = $env{'form.'.$dname.'_day'};
if (($tmpday =~ /^\d+$/) && ($tmpday > 0) && ($tmpday < 32)) {
$day = $tmpday;
}
}
- if (defined($ENV{'form.'.$dname.'_month'})) {
- my $tmpmonth = $ENV{'form.'.$dname.'_month'};
+ if (defined($env{'form.'.$dname.'_month'})) {
+ my $tmpmonth = $env{'form.'.$dname.'_month'};
if (($tmpmonth =~ /^\d+$/) && ($tmpmonth > 0) && ($tmpmonth < 13)) {
$month = $tmpmonth - 1;
}
}
- if (defined($ENV{'form.'.$dname.'_year'})) {
- my $tmpyear = $ENV{'form.'.$dname.'_year'};
+ if (defined($env{'form.'.$dname.'_year'})) {
+ my $tmpyear = $env{'form.'.$dname.'_year'};
if (($tmpyear =~ /^\d+$/) && ($tmpyear > 1900)) {
$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,$year);
} else {
return undef;
@@ -249,174 +499,121 @@ sub get_date_from_form {
##############################################
##############################################
-sub AscendOrderOptions {
- my ($order, $page, $formName)=@_;
+=pod
- my $OpSel1 = '';
- my $OpSel2 = '';
+=item &pjump_javascript_definition()
- if($order eq 'Ascending') {
- $OpSel1 = ' selected';
- } else {
- $OpSel2 = ' selected';
- }
+Returns javascript defining the 'pjump' function, which opens up a
+parameter setting wizard.
- 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";
+=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 $Str;
}
-sub MapOptions {
- my ($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";
+=pod
- $Str .= '</select>'."\n";
+=item &javascript_nothing()
- return $Str;
-}
+Return an appropriate null for the users browser. This is used
+as the first arguement for window.open calls when you want a blank
+window that you can then write to.
-sub ProblemOptions {
- my ($data, $page, $map, $formName)=@_;
- my $Str = '';
- $Str .= '<select name="';
- $Str .= (($page)?$page:'').'ProblemSelect"';
- if($formName) {
- $Str .= ' onchange="document.'.$formName.'.submit()"';
- }
- $Str .= '>'."\n";
+=cut
- 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";
- }
- }
+##############################################
+##############################################
+sub javascript_nothing {
+ # mozilla and other browsers work with "''", but IE on mac does not.
+ my $nothing = "''";
+ my $user_browser;
+ my $user_os;
+ $user_browser = $env{'browser.type'} if (exists($env{'browser.type'}));
+ $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();
}
- $Str .= '<option';
- if(!$selected) {
- $Str .= ' selected';
+ if ($user_browser eq 'explorer' && $user_os =~ 'mac') {
+ $nothing = "'javascript:void(0);'";
}
- $Str .= '>All Problems</option>'."\n";
-
- $Str .= '</select>'."\n";
-
- return $Str;
+ return $nothing;
}
-sub PartOptions {
- my ($data, $page, $parts, $formName)=@_;
- my $Str = '';
-
- if(!defined($parts)) {
- return '';
+##############################################
+##############################################
+sub javascript_docopen {
+ # safari does not understand document.open() and loads "text/html"
+ my $nothing = "''";
+ my $user_browser;
+ my $user_os;
+ $user_browser = $env{'browser.type'} if (exists($env{'browser.type'}));
+ $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();
}
-
- $Str .= '<select name="';
- $Str .= (($page)?$page:'').'PartSelect"';
- if($formName) {
- $Str .= ' onchange="document.'.$formName.'.submit()"';
+ if ($user_browser eq 'safari' && $user_os =~ 'mac') {
+ $nothing = "document.clear()";
+ } else {
+ $nothing = "document.open('text/html','replace')";
}
- $Str .= '>'."\n";
+ return $nothing;
+}
- 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 $Str;
-}
+=pod
-sub StudentOptions {
- my ($cache, $students, $selectedName, $page, $formName)=@_;
+=item &StatusOptions()
- my $Str = '';
- $Str .= '<select name="'.(($page)?$page:'').'Student"';
- if($formName) {
- $Str .= ' onchange="document.'.$formName.'.submit()"';
- }
- $Str .= '>'."\n";
+Returns html for a selection box which allows the user to choose the
+enrollment status of students. The selection box name is 'Status'.
- my $selected=0;
+Inputs:
- foreach (@$students) {
- $Str .= '<option';
- if($selectedName eq $_) {
- $Str .= ' selected';
- $selected = 1;
- }
- $Str .= '>';
- $Str .= $cache->{$_.':fullname'};
- $Str .= '</option>'."\n";
- }
+$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.
- $Str .= '<option';
- if($selectedName eq 'No Student Selected') {
- $Str .= ' selected';
- $selected = 1;
- }
- $Str .= '>No Student Selected</option>'."\n";
+$formname: The name of the form. If defined the onchange attribute of
+the selection box is set to document.$formname.submit().
- $Str .= '<option';
- if(!$selected) {
- $Str .= ' selected';
- }
- $Str .= '>All Students</option>'."\n";
+$size: the size (number of lines) of the selection box.
- $Str .= '</select>'."\n";
+$onchange: javascript to use when the value is changed. Enclosed in
+double quotes, ""s, not single quotes.
- return $Str;
-}
+Returns: a perl string as described.
+=cut
+
+##############################################
+##############################################
sub StatusOptions {
- my ($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 = '';
@@ -428,182 +625,123 @@ 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 $selectedSections A reference to an array containing the names of the
-currently selected sections.
-=back
+=item &Create_PrgWin
-Returns: a string containing HTML for a multiple select box for
-selecting sections of a course.
+Writes javascript to the client to open a progress window and returns a
+data structure used for bookkeeping.
-The form element name is 'Section'. @$sections is sorted prior to output.
-
-=cut
-
-########################################################
-########################################################
-sub MultipleSectionSelect {
- my ($sections,$selectedSections)=@_;
-
- my $Str = '';
- $Str .= '<select name="Section" multiple="true" size="4">'."\n";
+Inputs
- foreach (sort @$sections) {
- $Str .= '<option';
- foreach my $selected (@$selectedSections) {
- if($_ eq $selected) {
- $Str .= ' selected=""';
- }
- }
- $Str .= '>'.$_.'</option>'."\n";
- }
- $Str .= '</select>'."\n";
-
- return $Str;
-}
+=over 4
-########################################################
-########################################################
+=item $r Apache request
-=pod
+=item $title The title of the progress window
-=item &Title()
+=item $heading A description (usually 1 line) of the process being initiated.
-Inputs: $pageName a string containing the name of the page to be sent
-to &Apache::loncommon::bodytag.
+=item $number_to_do The total number of items being processed.
-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 $type Either 'popup' or 'inline' (popup is assumed if nothing is
+ specified)
-=cut
+=item $width Specify the width in charaters of the input field.
-########################################################
-########################################################
-sub Title {
- my ($pageName)=@_;
+=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
- my $Str = '';
+=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
- $Str .= '<html><head><title>'.$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
+=back
-$spacePadding: The spaces to go between columns
+Returns: none
-Output: $Str
-$Str: A formatted string of the table column headings.
+=item Increment_PrgWin
-=back
+Increment the count of items completed for the progress window by 1.
-=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/;
+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
@@ -611,88 +749,460 @@ $Str: Formatted string.
########################################################
########################################################
-sub FormatStudentInformation {
- my ($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';
+ my $html=&Apache::lonxml::xmlbegin();
+ #the whole function called through timeout is due to issues
+ #in mozilla Read BUG #2665 if you want to know the whole story
+ &r_print($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>");
-
- my %prog_state;
- $prog_state{'now'}=0;
- $prog_state{'since'}=time;
- $prog_state{'started'}=time;
- $prog_state{'total'}=$number_to_do;
+ "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,$heading.' <input type="text" name="'.$prog_state{'inputname'}.
+ '" size="'.$width.'" />');
+ } else {
+ $prog_state{'inputname'}=$inputname;
+
+ }
+ if (!$formname) { &r_print($r,'</form>'); }
+ &Update_PrgWin($r,\%prog_state,&mt('Starting'));
+ }
- $r->rflush();
+ $prog_state{'done'}=0;
+ $prog_state{'firststart'}=&Time::HiRes::time();
+ $prog_state{'laststart'}=&Time::HiRes::time();
+ $prog_state{'max'}=$number_to_do;
+
return %prog_state;
}
# update progress
sub Update_PrgWin {
my ($r,$prog_state,$displayString)=@_;
- $r->print('<script>popwin.document.popremain.remaining.value="'.
- $displayString.'";</script>');
- $$prog_state{'started'}=time;
- $r->rflush();
+ &r_print($r,'<script>'.$$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{'now'}++;
- $r->print('<script>popwin.document.popremain.remaining.value="'.
- $$prog_state{'now'}.'/'.$$prog_state{'total'}.
- ': '.int((time-$$prog_state{'since'})/
- $$prog_state{'now'}*($$prog_state{'total'}-$$prog_state{'now'})).
- ' secs remaining ('.(time-$$prog_state{'started'}).
- ' seconds for '.$extraInfo.')";'.'</script>');
- $$prog_state{'started'}=time;
- sleep 1;
- $r->rflush();
+ $$prog_state{'done'}++;
+ my $time_est= (&Time::HiRes::time() - $$prog_state{'firststart'})/
+ $$prog_state{'done'} *
+ ($$prog_state{'max'}-$$prog_state{'done'});
+ $time_est = int($time_est);
+ #
+ my $min = int($time_est/60);
+ my $sec = $time_est % 60;
+ #
+ my $str;
+ if ($min == 0 && $sec > 1) {
+ $str = '[_2] seconds';
+ } elsif ($min == 1 && $sec > 1) {
+ $str = '1 minute [_2] seconds';
+ } elsif ($min == 1 && $sec < 2) {
+ $str = '1 minute';
+ } elsif ($min < 10 && $sec > 1) {
+ $str = '[_1] minutes, [_2] seconds';
+ } elsif ($min >= 10 || $sec < 2) {
+ $str = '[_1] minutes';
+ }
+ $time_est = &mt($str,$min,$sec);
+ #
+ my $lasttime = &Time::HiRes::time()-$$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,$size,$noformat)=@_;
+ if (! defined($size)) {
+ $size = '+2';
+ }
+ if ($target) {
+ $target = ' target="'.
+ &Apache::loncommon::escape_single($target).'"';
+ }
+ my $output='';
+ unless ($noformat) { $output.='<br /><tt><b>'; }
+ $output.='<font size="'.$size.'">'.$prefix.'/';
+ if ($env{'user.adv'}) {
+ my $path=$prefix.'/';
+ foreach my $dir (split('/',$uri)) {
+ if (! $dir) { next; }
+ $path .= $dir;
+ unless ($path eq $uri) { $path.='/'; }
+ my $linkpath = &Apache::loncommon::escape_single($path);
+ if ($form) {
+ $linkpath=
+ qq{javascript:$form.action='$linkpath';$form.submit();};
+ }
+ $output.=qq{<a href="$linkpath" $target>$dir</a>/};
+ }
+ } else {
+ $output.=$uri;
+ }
+ unless ($uri=~/\/$/) { $output=~s/\/$//; }
+ return $output.'</font>'.($noformat?'':'</b></tt><br />');
+}
+
+# --------------------- A function that generates a window for the spellchecker
+
+sub spellheader {
+ my $html=&Apache::lonxml::xmlbegin();
+ my $nothing=&javascript_nothing();
+ return (<<ENDCHECK);
+<script type="text/javascript">
+//<!-- BEGIN LON-CAPA Internal
+var checkwin;
+
+function spellcheckerwindow() {
+ checkwin=window.open($nothing,'spellcheckwin','height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
+ checkwin.document.writeln('$html<head></head><body bgcolor="#DDDDDD"><form name="spellcheckform" action="/adm/spellcheck" method="post"><input type="hidden" name="text" value="" /></form></body></html>');
+ checkwin.document.close();
+}
+// END LON-CAPA Internal -->
+</script>
+ENDCHECK
+}
+
+# ---------------------------------- Generate link to spell checker for a field
+
+sub spelllink {
+ my ($form,$field)=@_;
+ my $linktext=&mt('Check Spelling');
+ return (<<ENDLINK);
+<a href="javascript:if (typeof(document.$form.onsubmit)!='undefined') { if (document.$form.onsubmit!=null) { document.$form.onsubmit();}};spellcheckerwindow();checkwin.document.forms.spellcheckform.text.value=this.document.forms.$form.$field.value;checkwin.document.forms.spellcheckform.submit();">$linktext</a>
+ENDLINK
+}
+
+# ------------------------------------------------- Output headers for HTMLArea
+
+sub htmlareaheaders {
+ if (&htmlareablocked()) { return ''; }
+ unless (&htmlareabrowser()) { return ''; }
+ my $lang='en';
+ if (&mt('htmlarea_lang') ne 'htmlarea_lang') {
+ $lang=&mt('htmlarea_lang');
+ }
+ return (<<ENDHEADERS);
+<script type="text/javascript">
+_editor_url='/htmlarea/';
+_editor_lang='$lang';
+</script>
+<script type="text/javascript" src="/htmlarea/htmlarea.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 {
+ my @fields=@_;
+ if (defined($#fields)) {
+ unless ($#fields>=0) { return ''; }
+ }
+ return '<a href="'.&HTML::Entities::encode('/adm/preferences?action=set_wysiwyg&wysiwyg=off&returnurl=','<>&"').&Apache::lonnet::escape($ENV{'REQUEST_URI'}).'">'.&mt('Disable WYSIWYG Editor').'</a>';
+}
+
+sub enablelink {
+ my @fields=@_;
+ if (defined($#fields)) {
+ unless ($#fields>=0) { return ''; }
+ }
+ return '<a href="'.&HTML::Entities::encode('/adm/preferences?action=set_wysiwyg&wysiwyg=on&returnurl=','<>&"').&Apache::lonnet::escape($ENV{'REQUEST_URI'}).'">'.&mt('Enable WYSIWYG Editor').'</a>';
+}
+
+# ----------------------------------------- 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);";
+ }
+ $output.="\nwindow.status='Activated Editfields';\n</script><br />".
+ &disablelink(@fields);
+ return $output;
+}
+
+# --------------------------------------------------------------------- Blocked
+
+sub htmlareablocked {
+ unless ($env{'environment.wysiwygeditor'} eq 'on') { return 1; }
+ return 0;
+}
+
+# ---------------------------------------- Browser capable of running HTMLArea?
+
+sub htmlareabrowser {
+ return 1;
+}
+
+############################################################
+############################################################
+
+=pod
+
+=item breadcrumbs
+
+Compiles the previously registered breadcrumbs into an series of links.
+FAQ and BUG links will be placed on the left side of the table if they
+are defined for the last registered breadcrumb.
+Additionally supports a 'component', which will be displayed on the
+right side of the table (without a link).
+A link to help for the component will be included if one is specified.
+
+All inputs can be undef without problems.
+
+Inputs: $color (the background color of the table returned),
+ $component (the large text on the right side of the table),
+ $component_help
+ $function (role to get colors from)
+ $domain (domian of role)
+ $menulink (boolean, controls whether to include a link to /adm/menu)
+
+Returns a string containing breadcrumbs for the current page.
+
+=item clear_breadcrumbs
+
+Clears the previously stored breadcrumbs.
+
+=item add_breadcrumb
+
+Pushes a breadcrumb on the stack of crumbs.
+
+input: $breadcrumb, a hash reference. The keys 'href','title', and 'text'
+are required. If present the keys 'faq' and 'bug' will be used to provide
+links to the FAQ and bug sites.
+
+returns: nothing
+
+=cut
+
+############################################################
+############################################################
+{
+ my @Crumbs;
+
+ sub breadcrumbs {
+ my ($color,$component,$component_help,$function,$domain,$menulink,
+ $helplink) = @_;
+ if (! defined($color)) {
+ if (! defined($function)) {
+ $function = &Apache::loncommon::get_users_function();
+ }
+ $color = &Apache::loncommon::designparm($function.'.tabbg',
+ $domain);
+ }
+ #
+ my $Str = "\n".
+ '<table width="100%" border="0" cellpadding="0" cellspacing="0">'.
+ '<tr><td bgcolor="'.$color.'">'.
+ '<font size="-1">';
+ #
+ # Make the faq and bug data cascade
+ my $faq = '';
+ my $bug = '';
+ my $help='';
+ # The last breadcrumb does not have a link, so handle it separately.
+ my $last = pop(@Crumbs);
+ #
+ # The first one should be the course or a menu link
+ if (!defined($menulink)) { $menulink=1; }
+ if ($menulink) {
+ my $description = 'Menu';
+ if (exists($env{'request.course.id'}) &&
+ $env{'request.course.id'} ne '') {
+ $description =
+ $env{'course.'.$env{'request.course.id'}.'.description'};
+ }
+ unshift(@Crumbs,{
+ href =>'/adm/menu',
+ title =>'Go to main menu',
+ target =>'_top',
+ text =>$description,
+ });
+ }
+ my $links .=
+ join('->',
+ map {
+ $faq = $_->{'faq'} if (exists($_->{'faq'}));
+ $bug = $_->{'bug'} if (exists($_->{'bug'}));
+ $help = $_->{'help'} if (exists($_->{'help'}));
+ my $result = '<a href="'.$_->{'href'}.'" ';
+ if (defined($_->{'target'}) && $_->{'target'} ne '') {
+ $result .= 'target="'.$_->{'target'}.'" ';
+ }
+ $result .='title="'.&mt($_->{'title'}).'">'.
+ &mt($_->{'text'}).'</a>';
+ $result;
+ } @Crumbs
+ );
+ $links .= '->' if ($links ne '');
+ $links .= '<b>'.&mt($last->{'text'}).'</b>';
+ #
+ my $icons = '';
+ $faq = $last->{'faq'} if (exists($last->{'faq'}));
+ $bug = $last->{'bug'} if (exists($last->{'bug'}));
+ $help = $last->{'help'} if (exists($last->{'help'}));
+ $component_help=($component_help?$component_help:$help);
+# if ($faq ne '') {
+# $icons .= &Apache::loncommon::help_open_faq($faq);
+# }
+# if ($bug ne '') {
+# $icons .= &Apache::loncommon::help_open_bug($bug);
+# }
+ if ($helplink ne 'nohelp') {
+ $icons .= &Apache::loncommon::help_open_menu($color,$component,$component_help,$function,$faq,$bug);
+ }
+ if ($icons ne '') {
+ $Str .= $icons.' ';
+ }
+ #
+ $Str .= $links.'</font></td>';
+ #
+ if (defined($component)) {
+ $Str .= '<td align="right" bgcolor="'.$color.'">'.
+ '<font size="+1">'.&mt($component).'</font></td>';
+ }
+ $Str .= '</tr></table>'."\n";
+ #
+ # Return the @Crumbs stack to what we started with
+ push(@Crumbs,$last);
+ shift(@Crumbs);
+ #
+ return $Str;
+ }
+
+ sub clear_breadcrumbs {
+ undef(@Crumbs);
+ }
+
+ sub add_breadcrumb {
+ push (@Crumbs,@_);
+ }
+
+} # End of scope for @Crumbs
+
+############################################################
+############################################################
+
+
1;
+
__END__