--- rat/lonwrapper.pm 2016/11/30 17:40:39 1.49.2.3
+++ rat/lonwrapper.pm 2020/09/08 00:10:21 1.49.2.7.2.4
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# Wrapper for external and binary files as standalone resources
#
-# $Id: lonwrapper.pm,v 1.49.2.3 2016/11/30 17:40:39 raeburn Exp $
+# $Id: lonwrapper.pm,v 1.49.2.7.2.4 2020/09/08 00:10:21 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -37,10 +37,14 @@ use Apache::lonlocal;
use Apache::loncommon();
use Apache::lonhtmlcommon();
use Apache::lonextresedit();
+use Apache::lonexttool();
+use LONCAPA qw(:DEFAULT :match);
+use HTML::Entities();
# ================================================================ Main Handler
sub wrapper {
- my ($url,$brcrum,$absolute,$is_ext,$is_pdf,$title) = @_;
+ my ($r,$url,$brcrum,$absolute,$is_ext,$is_pdf,$exttool,$linktext,$explanation,
+ $title,$width,$height) = @_;
my $forcereg;
unless ($env{'form.folderpath'}) {
@@ -52,7 +56,7 @@ sub wrapper {
'show' => 'Show content in pop-up window',
);
- my $anchor;
+ my ($anchor,$uselink);
if ($is_ext) {
if ($env{'form.symb'}) {
(undef,undef,my $res) = &Apache::lonnet::decode_symb($env{'form.symb'});
@@ -62,6 +66,12 @@ sub wrapper {
} elsif ($env{'form.anchor'} ne '') {
$anchor = '#'.$env{'form.anchor'};
}
+ unless (($is_pdf) && ($env{'browser.mobile'})) {
+ my $hostname = $r->hostname();
+ my $lonhost = $r->dir_config('lonHostID');
+ my $ip = &Apache::lonnet::get_host_ip($lonhost);
+ $uselink = &Apache::loncommon::is_nonframeable($url,$absolute,$hostname,$ip);
+ }
}
my $noiframe = &Apache::loncommon::modal_link($url.$anchor,$lt{'show'},500,400);
@@ -73,37 +83,108 @@ sub wrapper {
$args->{'bread_crumbs'} = $brcrum;
}
if ($absolute) {
- $args->{'use_absolute'} = $absolute;
+ $args->{'use_absolute'} = $absolute;
+ }
+ if ($env{'form.only_body'}) {
+ $args->{'only_body'} = $env{'form.only_body'};
+ }
+
+ my $headjs;
+
+#
+# Where iframe is in use, if window.onload() executes before the custom resize function
+# has been defined (jQuery), two global javascript vars (LCnotready and LCresizedef)
+# are used to ensure document.ready() triggers a call to resize, so the iframe contents
+# do not obscure the Functions menu.
+#
+
+ unless (($env{'browser.mobile'}) || ($exttool eq 'window') || ($exttool eq 'tab') || $uselink) {
+ $headjs = '
+'."\n";
}
- my $startpage = &Apache::loncommon::start_page('Menu',undef,$args);
+ my $startpage = &Apache::loncommon::start_page('Menu',$headjs,$args);
my $endpage = &Apache::loncommon::end_page();
- if ($env{'browser.mobile'}) {
+ if (($uselink) && ($title eq '')) {
+ if ($env{'form.symb'}) {
+ $title=&Apache::lonnet::gettitle($env{'form.symb'});
+ } else {
+ my $symb=&Apache::lonnet::symbread($r->uri);
+ if ($symb) {
+ $title=&Apache::lonnet::gettitle($symb);
+ }
+ }
+ }
+ if (($env{'browser.mobile'}) || ($exttool eq 'window') || ($exttool eq 'tab')) {
my $output = $startpage;
if ($is_pdf) {
- if ($title eq '') {
- $title = $env{'form.title'};
- if ($title eq '') {
- unless ($env{'request.enc'}) {
- ($title) = ($url =~ m{/([^/]+)$});
- $title =~ s/(\?[^\?]+)$//;
- }
- }
+ $linktext = &mt('Link to PDF (for mobile devices)');
+ $output .= &create_link($url,$anchor,$title,$linktext);
+ } elsif (($exttool eq 'window') || ($exttool eq 'tab')) {
+ if ($linktext eq '') {
+ $linktext = &mt('Launch External Tool');
}
- unless ($title eq '') {
- $output .= $title.'
';
+ $url = &HTML::Entities::encode($url,'"<>&');
+ if ($exttool eq 'tab') {
+ $output .= '
';
+ } else {
+ $output .= <<"ENDLINK";
+
+
+ENDLINK
+ }
+ if ($explanation ne '') {
+ $output .= ''.$explanation.'
';
}
- $output .= ''.&mt('Link to PDF (for mobile devices)').'';
} else {
- $output .= ''."\n".
- '\n".
- "
\n";
+ if ($uselink) {
+ $linktext = &mt('Link to resource');
+ $output .= &create_link($url,$anchor,$title,$linktext);
+ } else {
+ my $dest = &HTML::Entities::encode($url.$anchor,'&<>"');
+ $output .= ''."\n".
+ '\n".
+ "
\n";
+ }
}
$output .= $endpage;
return $output;
+ } elsif ($uselink) {
+ $linktext = &mt('Link to resource');
+ return $startpage.&create_link($url,$anchor,$title,$linktext).$endpage;
} else {
my $offset = 5;
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['inhibitmenu']);
@@ -132,21 +213,54 @@ sub wrapper {
var pos = height + hdrtop + offset;
\$('.LC_iframecontainer').css('top', pos);
});
+ LCresizedef = 1;
+ if (LCnotready == 1) {
+ LCnotready = 0;
+ \$(window).trigger('resize');
+ }
});
- window.onload = function(){ \$(window).trigger('resize') };
+ window.onload = function(){
+ if (LCresizedef) {
+ LCnotready = 0;
+ \$(window).trigger('resize');
+ } else {
+ LCnotready = 1;
+ }
+ };
SCRIPT
# javascript will position the iframe if window was resized (or zoomed)
+ my $dest = &HTML::Entities::encode($url.$anchor,'&<>"');
return <
-
+
$endpage
ENDFRAME
}
}
+sub create_link {
+ my ($url,$anchor,$title,$linktext) = @_;
+ my $shownlink;
+ if ($title eq '') {
+ $title = $env{'form.title'};
+ if ($title eq '') {
+ unless ($env{'request.enc'}) {
+ ($title) = ($url =~ m{/([^/]+)$});
+ $title =~ s/(\?[^\?]+)$//;
+ }
+ }
+ }
+ unless ($title eq '') {
+ $shownlink = ''.$title.'
';
+ }
+ my $dest = &HTML::Entities::encode($url.$anchor,'&<>"');
+ $shownlink .= ''.$linktext.'';
+ return $shownlink;
+}
+
sub handler {
my $r=shift;
&Apache::loncommon::content_type($r,'text/html');
@@ -155,20 +269,47 @@ sub handler {
return OK if $r->header_only;
my $url = $r->uri;
- my ($is_ext,$brcrum,$absolute,$is_pdf);
+ my ($is_ext,$brcrum,$absolute,$is_pdf,$exttool,$cdom,$cnum,$hostname,
+ $linktext,$explanation,$width,$height);
for ($url){
s|^/adm/wrapper||;
- $is_ext = $_ =~ s|^/ext/|http://|;
- s|http://https://|https://|;
- s|:|:|g;
+ $is_ext = $_ =~ s|^/ext/|http://|;
+ s|http://https://|https://| if ($is_ext);
+ s|:|:|g;
}
if ($url =~ /\.pdf$/i) {
$is_pdf = 1;
+ } elsif ($url =~ m{^/adm/($match_domain)/($match_courseid)/(\d+)/ext\.tool$}) {
+ $cdom = $1;
+ $cnum = $2;
+ my $marker = $3;
+ $exttool = 'iframe';
+ my $exttoolremote;
+ my %toolhash = &Apache::lonnet::get('exttool_'.$marker,['target','linktext','explanation','id','width','height'],
+ $cdom,$cnum);
+ if ($toolhash{'id'}) {
+ my %ltitools = &Apache::lonnet::get_domain_ltitools($cdom);
+ if (ref($ltitools{$toolhash{'id'}}) eq 'HASH') {
+ $exttoolremote = $ltitools{$toolhash{'id'}}{'url'};
+ }
+ }
+ if ($toolhash{'target'} eq 'window') {
+ $exttool = 'window';
+ $width = $toolhash{'width'};
+ $height = $toolhash{'height'};
+ } elsif ($toolhash{'target'} eq 'tab') {
+ $exttool = 'tab';
+ }
+ if (($exttool eq 'window') || ($exttool eq 'tab')) {
+ $linktext = $toolhash{'linktext'};
+ $explanation = $toolhash{'explanation'};
+ } elsif (($exttoolremote =~ /^http:/) && ($ENV{'SERVER_PORT'} == 443)) {
+ $exttool = 'tab';
+ }
}
-
- if ($is_ext) {
+ if (($is_ext) || ($exttool)) {
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['forceedit','register','folderpath','symb','idx','title','anchor']);
if (($env{'form.forceedit'}) &&
@@ -185,16 +326,27 @@ sub handler {
$url .= '#'.$env{'form.anchor'};
}
}
+ my $type = 'ext';
+ if ($exttool) {
+ $type = 'tool';
+ } elsif (($url =~ /^http:/) && ($ENV{'SERVER_PORT'} == 443)) {
+ $hostname = $r->hostname();
+ }
$r->print(
&Apache::lonextresedit::display_editor($url,$env{'form.folderpath'},
$env{'form.symb'},
- $env{'form.idx'}));
+ $env{'form.idx'},$type,$cdom,
+ $cnum,$hostname));
return OK;
} elsif ($env{'form.folderpath'} =~ /^supplemental/) {
my $crstype = &Apache::loncommon::course_type();
my $title = $env{'form.title'};
if ($title eq '') {
- $title = &mt('External Resource');
+ if ($is_ext) {
+ $title = &mt('External Resource');
+ } else {
+ $title = &mt('External Tool');
+ }
}
$brcrum =
&Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
@@ -204,7 +356,7 @@ sub handler {
#
# Actual URL
#
- if ($url=~/$LONCAPA::assess_re/) {
+ if (($url=~/$LONCAPA::assess_re/) && (!$exttool)) {
#
# This is uploaded homework
#
@@ -214,7 +366,7 @@ sub handler {
#
# This is not homework
#
- if ($is_ext) {
+ if (($is_ext) || ($exttool)) {
$absolute = $env{'request.use_absolute'};
$ENV{'QUERY_STRING'} =~ s/(^|\&)symb=[^\&]*/$1/;
$ENV{'QUERY_STRING'} =~ s/\&$//;
@@ -225,9 +377,12 @@ sub handler {
}
# encrypt url if not external
- &Apache::lonenc::check_encrypt(\$url) if $url !~ /^https?\:/ ;
+ unless ($is_ext) {
+ &Apache::lonenc::check_encrypt(\$url);
+ }
- $r->print( wrapper($url,$brcrum,$absolute,$is_ext,$is_pdf) );
+ $r->print( wrapper($r,$url,$brcrum,$absolute,$is_ext,$is_pdf,$exttool,
+ $linktext,$explanation,undef,$width,$height) );
} # not just the menu
@@ -254,10 +409,14 @@ described at http://www.lon-capa.org.
=over
-=item wrapper($url,$brcrum,$absolute,$is_ext,$is_pdf,$title))
+=item wrapper($r,$url,$brcrum,$absolute,$is_ext,$is_pdf,$exttool,$linktext,$explanation,$title,$width,$height)
=over
+=item $r
+
+request object
+
=item $url
url to display by including in an iframe within a