# The LearningOnline Network
# Documents
#
# $Id: lonextresedit.pm,v 1.8.2.4.2.2 2020/10/25 20:14:42 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LON-CAPA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#
package Apache::lonextresedit;
use strict;
use Apache::Constants qw(:common :http);
use HTML::Entities;
use Apache::lonlocal;
use Apache::lonnet;
use Apache::loncommon;
use Apache::lonhtmlcommon;
use Apache::lonuserstate;
use LONCAPA::map();
use LONCAPA qw(:DEFAULT :match);
sub handler {
my $r=shift;
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
return OK if $r->header_only;
# Check for access
if (! &Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
$env{'user.error.msg'}=
$r->uri.":mdc:0:0:Cannot modify course content.";
return HTTP_NOT_ACCEPTABLE;
}
my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
my $chome = $env{'course.'.$env{'request.course.id'}.'.home'};
my ($supplementalflag,$updated,$output,$errormsg,$residx,$url,$title,
$symb,$type);
if (($env{'form.folderpath'} =~ /^supplemental/) && ($env{'form.suppurl'})) {
$supplementalflag = 1;
if (&unescape($env{'form.suppurl'}) =~ m{^/adm/$cdom/$cnum/\d+/ext\.tool$}) {
$type = 'tool';
}
}
if (($supplementalflag) || ($env{'form.symb'} =~ /^uploaded/)) {
($updated,$output,$errormsg,$residx,$url,$title,$symb) =
&process_changes($supplementalflag,$cdom,$cnum,$chome);
if ($supplementalflag) {
if ($url ne &unescape($env{'form.suppurl'})) {
$env{'form.suppurl'} = $url;
}
if ($title ne $env{'form.title'}) {
$env{'form.title'} = $title;
}
$env{'form.idx'} = $residx;
} else {
if ($symb ne $env{'form.symb'}) {
$env{'form.symb'} = $symb;
}
if ($url =~ m{/adm/$cdom/$cnum/\d+/ext\.tool$}) {
$type = 'tool';
}
}
} else {
$errormsg = &mt('Information about external resource to edit is missing.');
}
if ($updated) {
my $msg = &mt('External Resource updated');
if ($type eq 'tool') {
$msg = &mt('External Tool updated');
}
$output = &Apache::lonhtmlcommon::confirm_success($msg);
}
if ($errormsg) {
$errormsg = '
'.$errormsg.'
';
}
my %ltitools;
if ($type eq 'tool') {
%ltitools = &Apache::lonnet::get_domain_lti($cdom,'consumer');
}
my $js = &Apache::lonhtmlcommon::scripttag(&extedit_javascript());
my $pathitem = ' ';
my $description = 'External Resource Editor';
if ($type eq 'tool') {
$description = 'External Tool Editor';
}
$r->print(&Apache::loncommon::start_page($description,$js).
''.
$output.
$errormsg.
&extedit_form($supplementalflag,$residx,$url,$title,$pathitem,undef,
'direct',$env{'form.symb'},$type,$cdom,$cnum,\%ltitools).
'
'.&Apache::loncommon::end_page());
return OK;
}
sub process_changes {
my ($supplementalflag,$cdom,$cnum,$chome) = @_;
my ($folder,$container,$output,$errormsg,$updated,$symb,$oldidx,$oldurl,$type,
$oldtitle,$newidx,$newurl,$newtitle,$residx,$url,$title,$marker,$args);
if ($env{'form.symb'}) {
$symb = $env{'form.symb'};
(my $map,$oldidx,$oldurl)=&Apache::lonnet::decode_symb($symb);
if ($map =~ m{^uploaded/$cdom/$cnum/(default(_\d+|))\.(sequence|page)$}) {
$folder = $1;
$container = $3;
}
$oldtitle = &Apache::lonnet::gettitle($env{'form.symb'});
if ($oldurl =~ m{^ext/(.+)$}) {
my $external = $1;
if ($external =~ m{^https://}) {
$oldurl = $external;
} else {
$oldurl = 'http://'.$oldurl;
}
$type = 'ext';
} else {
$type = 'tool';
}
} elsif ($env{'form.folderpath'}) {
$folder = &unescape( (split('&',$env{'form.folderpath'}))[-2] );
$oldurl = &unescape($env{'form.suppurl'});
$oldtitle = &unescape($env{'form.title'});
$container = 'sequence';
$supplementalflag = 1;
if ($oldurl =~ m{^/adm/$cdom/$cnum/\d+/ext\.tool$}) {
$type = 'tool';
} else {
$type = 'ext';
}
}
$url = $oldurl;
$title = $oldtitle;
if ($env{'form.importdetail'}) {
($newtitle,$newurl,$newidx) =
map {&unescape($_)} split(/\=/,$env{'form.importdetail'});
if ($newurl =~ m{^(/adm/$cdom/$cnum/(\d+)/ext\.tool)\:?(.*)$}) {
$newurl = $1;
$marker = $2;
$args = $3;
}
}
if ($supplementalflag) {
$residx = $newidx;
} else {
$residx = $oldidx;
}
if ($folder && $container) {
if ($env{'form.importdetail'}) {
my ($errtext,$fatal,$mismatchedid,@imports);
if (!$supplementalflag) {
if (($oldidx) && ($oldidx != $newidx)) {
$mismatchedid = 1;
}
}
if ($mismatchedid) {
$errormsg = 'Wrong item identifier';
} elsif (($newtitle eq $oldtitle) && ($newurl eq $oldurl)) {
if ($type eq 'tool') {
if ($args) {
($updated,$errormsg) = &update_exttool($marker,$cdom,$cnum,$args);
unless ($updated) {
$output = &mt('No change');
}
} else {
$output = &mt('No change');
}
} else {
$output = &mt('No change');
}
} else {
my $map = "/uploaded/$cdom/$cnum/$folder.$container";
my ($errtext,$fatal) = &LONCAPA::map::mapread($map);
if ($fatal) {
$errormsg = &mt('Update failed: [_1].',$errtext);
} else {
my $saveurl = &LONCAPA::map::qtunescape($newurl);
my $savetitle = &LONCAPA::map::qtunescape($newtitle);
my $ext = 'true';
if ($type eq 'tool') {
if ($args) {
($updated,$errormsg) = &update_exttool($marker,$cdom,$cnum,$args);
}
$ext = 'false';
}
$LONCAPA::map::resources[$residx] =
join(':', ($savetitle,$saveurl,$ext,'normal','res'));
my ($outtext,$errtext) = &LONCAPA::map::storemap($map,1);
if ($errtext) {
$errormsg = &mt('Update failed: [_1].',$errtext);
} else {
$updated = 1;
$title = $newtitle;
if ($newurl ne $oldurl) {
$url = $newurl;
if ($ext eq 'true') {
$newurl =~ s{^http://}{};
$newurl = "ext/$newurl";
}
}
if (!$supplementalflag) {
if ($newurl ne $oldurl) {
$symb = &Apache::lonnet::encode_symb($map,$residx,$newurl);
} else {
$symb = $env{'form.symb'};
if ($symb) {
&Apache::lonnet::devalidate_title_cache($symb);
}
}
}
my ($furl,$ferr) =
&Apache::lonuserstate::readmap("$cdom/$cnum");
if ($ferr) {
$errormsg = &mt('Reload failed: [_1].',$ferr);
} else {
unless ($supplementalflag) {
&Apache::loncommon::update_content_constraints($cdom,$cnum,$chome,$cdom.'_'.$cnum);
}
}
}
}
}
} else {
$output = &mt('No change');
}
} else {
if ($type eq 'tool') {
$errormsg = &mt('Information about current external tool is incomplete.');
} else {
$errormsg = &mt('Information about current external resource is incomplete.');
}
}
return ($updated,$output,$errormsg,$residx,$url,$title,$symb);
}
sub update_exttool {
my ($marker,$cdom,$cnum,$args) = @_;
my (%newhash,$changed,@deleted,$errormsg);
($newhash{'target'},$newhash{'width'},$newhash{'height'},$newhash{'linktext'},$newhash{'explanation'},
$newhash{'crslabel'},$newhash{'crstitle'},$newhash{'crsappend'}) = split(/:/,$args);
foreach my $item ('linktext','explanation','crslabel','crstitle','crsappend') {
$newhash{$item} = &unescape($newhash{$item});
}
my %toolhash=&Apache::lonnet::dump('exttool_'.$marker,$cdom,$cnum);
foreach my $item ('target','width','height','linktext','explanation','crslabel','crstitle','crsappend') {
$newhash{$item} =~ s/^\s+//;
$newhash{$item} =~ s/\s+$//;
if (($item eq 'width') || ($item eq 'height') || ($item eq 'linktext') || ($item eq 'explanation')) {
if ($newhash{'target'} eq 'iframe') {
$newhash{$item} = '';
} elsif ($newhash{'target'} eq 'tab') {
if (($item eq 'width') || ($item eq 'height')) {
$newhash{$item} = '';
}
}
}
if ($toolhash{$item} ne $newhash{$item}) {
if ($newhash{$item} eq '') {
unless (($item eq 'target') ||
((($item eq 'width') || ($item eq 'height')) &&
(($newhash{'target'} eq 'window') ||
(($newhash{'target'} eq '') && ($toolhash{'target'} eq 'window')))) ||
((($item eq 'linktext') || ($item eq 'explanation')) &&
((($newhash{'target'} =~ /^(window|tab)$/)) ||
(($newhash{'target'} eq '') && ($toolhash{'target'} =~ /^(window|tab)$/))))) {
delete($toolhash{$item});
push(@deleted,$item);
$changed = 1;
}
} else {
$toolhash{$item} = $newhash{$item};
$changed = 1;
}
}
}
if ($changed) {
my $putres = &Apache::lonnet::put('exttool_'.$marker,\%toolhash,$cdom,$cnum);
unless ($putres eq 'ok') {
$errormsg = &mt('Failed to save updated settings.').' '.&mt('Error: [_1].',$putres);
}
}
if (@deleted) {
&Apache::lonnet::del('exttool_'.$marker,\@deleted,$cdom,$cnum);
}
return ($changed,$errormsg);
}
sub extedit_form {
my ($supplementalflag,$residx,$orig_url,$orig_title,$pathitem,$helpitem,$caller,
$symb,$type,$cdom,$cnum,$ltitools,$disabled) = @_;
if ($type ne 'tool') {
$type = 'ext';
}
my %lt = &Apache::lonlocal::texthash(
ex => 'External Resource',
et => 'External Tool',
ed => 'Edit',
ee => 'External Resource Editor',
te => 'External Tool Editor',
pr => 'Preview',
sv => 'Save',
ul => 'URL',
ti => 'Title',
al => 'Add Link',
at => 'Add Tool',
);
my $tabid = 'aa';
my $size = 60;
if ($supplementalflag) {
$tabid = 'ee';
}
my ($formname,$formid,$toggle,$fieldsetid,$urlid,$dispdivstyle,$dimendivstyle,
$windivstyle,$linktextstyle,$explanationstyle,$labelstyle,$titlestyle,
$appendstyle,$legend,$urlelem,$toolelem,%toolattr);
$formname = 'new'.$type;
$toggle = $type;
$fieldsetid = 'upload'.$type.'form';
$urlid = $type.'url';
map { $toolattr{$_} = $type.$_; } ('dispdiv','dimendiv','dimenwidth','dimenheight',
'crstitlediv','crslabeldiv','crsappenddiv',
'crstitle','crslabel','crsappend','windiv',
'linktextdiv','explanationdiv','linktext',
'explanation','providerurl');
$dispdivstyle = 'display:none';
$dimendivstyle = 'display:none';
$windivstyle = 'display:none';
$linktextstyle = 'display:none';
$explanationstyle = 'display:none';
$labelstyle = 'display:none';
$titlestyle = 'display:none';
$appendstyle = 'display:none';
if ($supplementalflag) {
$formname = 'newsupp'.$type;
$toggle = 'supp'.$type;
$fieldsetid = 'uploadsupp'.$type.'form';
$urlid = 'supp'.$type.'url';
map { $toolattr{$_} = 'supp'.$toolattr{$_}; } (keys(%toolattr));
}
my ($link,$legend,$active,$srcclass,$extsrc,$preview,$title,$save,$crstitle,$crslabel,
$crsappend,$fieldsetstyle,$action,$hiddenelem,$form,$width,$height,$tooltarget,
$linktext,$explanation,$providerurl,%chkstate);
$fieldsetstyle = 'display: none;';
$action = '/adm/coursedocs';
my $protocol = ($ENV{'SERVER_PORT'} == 443?'https':'http');
my $rows = 2;
my $cols = 20;
if ($residx) {
if ($caller eq 'direct') {
$fieldsetstyle = 'display: block;';
$action = '/adm/extresedit';
$rows = 10;
$cols = 45;
if ($type eq 'tool') {
$legend = $lt{'ee'};
} else {
$legend = $lt{'te'};
}
$legend = ''.$legend.' ';
if ($symb) {
$hiddenelem = ' ';
} elsif ($supplementalflag) {
$hiddenelem = ' '."\n".
' ';
}
} else {
$link = ''.$lt{'ed'}.' '."\n";
$size = 40;
$active = ' ';
}
$formname = 'edit'.$type.'_'.$residx;
$fieldsetid = 'upload'.$type.$residx;
$urlid = $type.'url_'.$residx;
map { $toolattr{$_} .= '_'.$residx; } (keys(%toolattr));
$srcclass = ' class="LC_nobreak"';
if ($type eq 'ext') {
$extsrc = ''.$lt{'ul'}.' ';
$preview = ' '.$lt{'pr'}.' ';
}
$title = ''.$lt{'ti'}.' ';
$save = $lt{'sv'};
} else {
$link = $lt{'ex'};
if ($type eq 'tool') {
$link = $lt{'et'};
}
$link = ''.$helpitem;
if ($type eq 'tool') {
$legend = $lt{'te'};
} else {
$legend = $lt{'ee'};
}
$legend = ''.$legend.' ';
$title = $lt{'ti'}.': ';
$residx = 0;
if ($type eq 'ext') {
$orig_url = 'http://';
$orig_title = $lt{'ex'};
$extsrc = $lt{'ul'}.': ';
$preview = ' ';
$save = $lt{'al'};
} else {
$orig_title = $lt{'et'};
$save = $lt{'at'};
$orig_url = "/adm/$cdom/$cnum/new/ext\.tool";
}
$pathitem .= ' ';
}
$formid = $formname;
if ($type eq 'ext') {
$urlelem = ' ';
} else {
my $class = 'LC_nobreak';
if ($residx) {
$class = 'LC_docs_ext_edit LC_nobreak';
if ($orig_url =~ m{^/adm/$cdom/$cnum/(\d+)/ext\.tool$}) {
my $marker = $1;
my %toolhash=&Apache::lonnet::dump('exttool_'.$marker,$cdom,$cnum);
if ($toolhash{'id'}) {
if (ref($ltitools) eq 'HASH') {
if (keys(%{$ltitools})) {
if (ref($ltitools->{$toolhash{'id'}}) eq 'HASH') {
my $tooltitle = $ltitools->{$toolhash{'id'}}->{'title'};
my $icon = $ltitools->{$toolhash{'id'}}->{'image'};
my $image;
if ($icon) {
$image = ' ';
}
if ($ltitools->{$toolhash{'id'}}->{'url'} =~ m{://}) {
(my $prot,my $host,$providerurl) = ($ltitools->{$toolhash{'id'}}->{'url'} =~ m{^([^/]+)://([^/]+)(|/.+)$});
} else {
$providerurl = $ltitools->{$toolhash{'id'}}->{'url'};
}
$tooltarget = $toolhash{'target'};
if ($tooltarget eq 'window') {
$dimendivstyle = 'display:block';
$windivstyle = 'display:block';
$chkstate{'window'} = 'checked="checked" ';
} elsif ($tooltarget eq 'tab') {
$windivstyle = 'display:block';
$chkstate{'tab'} = 'checked="checked" ';
} else {
$chkstate{'iframe'} = 'checked="checked" ';
}
$width = $toolhash{'width'};
$height = $toolhash{'height'};
$linktext = $toolhash{'linktext'};
$explanation = $toolhash{'explanation'};
if (ref($ltitools->{$toolhash{'id'}}->{'crsconf'}) eq 'HASH') {
if ($ltitools->{$toolhash{'id'}}->{'crsconf'}->{'title'}) {
$crstitle = $toolhash{'crstitle'};
$titlestyle = 'display:inline';
}
if ($ltitools->{$toolhash{'id'}}->{'crsconf'}->{'label'}) {
$crslabel = $toolhash{'crslabel'};
$labelstyle = 'display:inline';
}
if ($ltitools->{$toolhash{'id'}}->{'crsconf'}->{'append'}) {
$crsappend = $toolhash{'crsappend'};
$appendstyle = 'display:inline';
}
if ($ltitools->{$toolhash{'id'}}->{'crsconf'}->{'target'}) {
$dispdivstyle = 'display:block';
}
if ($ltitools->{$toolhash{'id'}}->{'crsconf'}->{'linktext'}) {
$linktextstyle = 'padding:0;display:inline';
}
if ($ltitools->{$toolhash{'id'}}->{'crsconf'}->{'explanation'}) {
$explanationstyle = 'padding:0;display:inline';
}
}
$toolelem = ''.$image.' '.$tooltitle.' ';
}
}
}
}
}
} else {
$toolelem = ''."\n".
''."\n".
''.&mt('Select').' ';
my %bynum;
if (ref($ltitools) eq 'HASH') {
foreach my $id (keys(%{$ltitools})) {
if (ref($ltitools->{$id}) eq 'HASH') {
my $order = $ltitools->{$id}->{'order'};
$bynum{$order} = [$id,$ltitools->{$id}];
}
}
}
foreach my $item (sort { $a <=> $b } keys(%bynum)) {
if (ref($bynum{$item}) eq 'ARRAY') {
if (ref($bynum{$item}->[1]) eq 'HASH') {
my $tooltitle = $bynum{$item}->[1]->{'title'};
my $icon = $bynum{$item}->[1]->{'image'};
$toolelem .= ''.$tooltitle.' ';
}
}
}
$toolelem .= ' ';
$crslabel = $env{'course.'.$cdom.'_'.$cnum.'.internal.coursecode'};
$crstitle = $env{'course.'.$cdom.'_'.$cnum.'.description'};
$crsappend = '';
}
$toolelem .= '';
$toolelem .= '';
$toolelem .= ''.
''.&mt('Course label:').' '.
' '.
'
'.
''.
''.&mt('Course title:').' '.
' '.
'
'.
''.
''.&mt('Append to URL[_1]',
' ('.$providerurl.') ').
' '.
'
';
}
my $chooser = $toolelem;
if ($type eq 'ext') {
$chooser = "
$extsrc
$urlelem
$preview
";
}
$form = <
$legend
$active
$chooser
$title
$pathitem
$hiddenelem
ENDFORM
if (wantarray) {
return ($link,$form);
} else {
return $link.$form;
}
}
sub display_editor {
my ($url,$folderpath,$symb,$idx,$type,$cdom,$cnum,$hostname) = @_;
my ($residx,$supplementalflag,$title,$pathitem,$output,$js,$navmap);
if ($folderpath =~ /^supplemental/) {
$supplementalflag = 1;
$residx = $idx;
$title = &unescape($env{'form.title'});
$pathitem = ' ';
} elsif ($symb =~ /^uploaded/) {
(my $map,$residx,my $res) =
&Apache::lonnet::decode_symb($symb);
$title = &Apache::lonnet::gettitle($symb);
my $path = &Apache::loncommon::symb_to_docspath($symb,\$navmap);
$pathitem = ' ';
}
my %ltitools;
if ($type eq 'tool') {
%ltitools = &Apache::lonnet::get_domain_lti($cdom,'consumer');
}
$js = &Apache::lonhtmlcommon::scripttag(&extedit_javascript());
my $args = { 'force_register' => $env{'form.register'} };
if ($hostname) {
$args->{'hostname'} = $hostname;
}
my $description = 'External Resource Editor';
if ($type eq 'tool') {
$description = 'External Tool Editor';
}
return &Apache::loncommon::start_page($description,$js,$args).
''.
&extedit_form($supplementalflag,$residx,$url,$title,$pathitem,undef,'direct',
$symb,$type,$cdom,$cnum,\%ltitools).
'
'.
&Apache::loncommon::end_page();
}
sub extedit_javascript {
my ($toolsref) = @_;
my $toolsjs;
if (ref($toolsref) eq 'HASH') {
my $num = scalar(keys(%{$toolsref}));
$toolsjs = " var ltitools = new Array($num);\n".
" var ltitoolsUrl = new Array($num);\n".
" var ltitoolsTarget = new Array($num);\n".
" var ltitoolsWidth = new Array($num);\n".
" var ltitoolsHeight = new Array($num);\n".
" var ltitoolsLinkDef = new Array($num);\n".
" var ltitoolsExplainDef = new Array($num);\n".
" var ltitoolsDisplay = new Array($num);\n".
" var ltitoolsLink = new Array($num);\n".
" var ltitoolsExplain = new Array($num);\n".
" var ltitoolsLabel = new Array($num);\n".
" var ltitoolsTitle = new Array($num);\n".
" var ltitoolsAppend = new Array($num);\n";
my $i = 0;
foreach my $key (sort { $a <=> $b } keys(%{$toolsref})) {
if (ref($toolsref->{$key}) eq 'HASH') {
if (ref($toolsref->{$key}->{'display'}) eq 'HASH') {
my $target = $toolsref->{$key}->{'display'}->{'target'};
my $width = $toolsref->{$key}->{'display'}->{'width'};
my $height = $toolsref->{$key}->{'display'}->{'height'};
my $linkdef = $toolsref->{$key}->{'display'}->{'linktext'};
my $explaindef = $toolsref->{$key}->{'display'}->{'explanation'};
my $providerurl;
if ($toolsref->{$key}->{'url'} =~ m{://}) {
(my $prot,my $host,$providerurl) = ($toolsref->{$key}->{'url'} =~ m{^([^/]+)://([^/]+)(|/.+)$});
} else {
$providerurl = $toolsref->{$key}->{'url'};
}
$providerurl = &LONCAPA::map::qtunescape($providerurl);
$toolsjs .= ' ltitools['.$i.'] = '."'$key';\n".
' ltitoolsTarget['.$i.'] = '."'$target';\n".
' ltitoolsWidth['.$i.'] = '."'$width';\n".
' ltitoolsHeight['.$i.'] = '."'$height';\n".
' ltitoolsLinkDef['.$i.'] = '."'$linkdef';\n".
' ltitoolsExplainDef['.$i.'] = '."'$explaindef';\n".
' ltitoolsUrl['.$i.'] = '."'$providerurl';\n";
}
if (ref($toolsref->{$key}->{'crsconf'}) eq 'HASH') {
my $display = $toolsref->{$key}->{'crsconf'}->{'target'};
$toolsjs .= ' ltitoolsDisplay['.$i.'] = '."'$display';\n";
my $linktext = $toolsref->{$key}->{'crsconf'}->{'linktext'};
$toolsjs .= ' ltitoolsLink['.$i.'] = '."'$linktext';\n";
my $explanation = $toolsref->{$key}->{'crsconf'}->{'explanation'};
$toolsjs .= ' ltitoolsExplain['.$i.'] = '."'$explanation';\n";
my $label = $toolsref->{$key}->{'crsconf'}->{'label'};
$toolsjs .= ' ltitoolsLabel['.$i.'] = '."'$label';\n";
my $title = $toolsref->{$key}->{'crsconf'}->{'title'};
$toolsjs .= ' ltitoolsTitle['.$i.'] = '."'$title';\n";
my $append = $toolsref->{$key}->{'crsconf'}->{'append'};
$toolsjs .= ' ltitoolsAppend['.$i.'] = '."'$append';\n";
}
$i++;
}
}
}
my %js_lt = &Apache::lonlocal::texthash(
invurl => 'Invalid URL',
titbl => 'Title is blank',
mixfra => 'Show preview in pop-up? (http in https page + no framing)',
mixonly => 'Show preview in pop-up? (http in https page)',
fraonly => 'Show preview in pop-up? (framing disallowed)',
nopopup => 'Pop-up blocked',
nopriv => 'Insufficient privileges to use preview',
badurl => 'URL is not: http://hostname/path or https://hostname/path',
invtool => 'Please select an external tool',
);
&js_escape(\%js_lt);
my $urlregexp = <<'ENDREGEXP';
/^([a-z]([a-z]|\d|\+|-|\.)*):(\/\/(((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:)*@)?((\[(|(v[\da-f]{1,}\.(([a-z]|\d|-|\.|_|~)|[!\$&'\(\)\*\+,;=]|:)+))\])|((\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5]))|(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=])*)(:\d*)?)(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*|(\/((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)?)|((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)|((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)){0})(\?((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|[\uE000-\uF8FF]|\/|\?)*)?(\#((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|\/|\?)*)?$/i
ENDREGEXP
return < 0) {
eval("extform.importdetail.value=title+'='+url+'='+residx;extform.submit();");
} else {
eval("extform.importdetail.value=title+'='+url;extform.submit();");
}
}
} else {
title = escape(title);
var info = exttoolurl;
if (residx == 0) {
var toolid = parseInt(extform.exttoolid.options[extform.exttoolid.selectedIndex].value);
if (isNaN(toolid)) {
alert("$js_lt{'invtool'}");
return;
}
info += ':'+toolid;
}
var prefix = '';
if (supplementalflag == 1) {
prefix = 'supp';
}
var dispdiv = prefix+'tooldispdiv';
var windiv = prefix+'toolwindiv';
if (residx > 0) {
dispdiv += '_'+residx;
windiv += '_'+residx;
}
if (document.getElementById(dispdiv)) {
if (document.getElementById(dispdiv).style.display == 'block') {
if (extform.exttooltarget.length) {
for (var i=0; i 0) {
linktextdiv += '_'+residx;
explanationdiv += '_'+residx;
}
if (document.getElementById(linktextdiv).style.display == 'inline') {
var linktext = extform.exttoollinktext.value;
linktext.trim();
info += ':'+escape(linktext);
} else {
info += ':';
}
if (document.getElementById(explanationdiv).style.display == 'inline') {
var explaintext = extform.exttoolexplanation.value;
explaintext.trim();
info += ':'+escape(explaintext);
} else {
info += ':';
}
} else {
info += '::';
}
} else {
info += '::';
}
var labelinput = prefix+'toolcrslabel';
var titleinput = prefix+'toolcrstitle';
var appendinput = prefix+'toolcrsappend';
if (residx > 0) {
labelinput += '_'+residx;
titleinput += '_'+residx;
appendinput += '_'+residx;
}
if (document.getElementById(labelinput)) {
var crslabel = document.getElementById(labelinput).value;
crslabel.trim();
info += ':'+escape(crslabel);
} else {
info += ':';
}
if (document.getElementById(titleinput)) {
var crstitle = document.getElementById(titleinput).value;
crstitle.trim();
info += ':'+escape(crstitle);
} else {
info += ':';
}
if (document.getElementById(appendinput)) {
var crsappend = document.getElementById(appendinput).value;
crsappend.trim();
info += ':'+escape(crsappend);
} else {
info += ':';
}
info=escape(info);
if (residx > 0) {
eval("extform.importdetail.value=title+'='+info+'='+residx;extform.submit();");
} else {
eval("extform.importdetail.value=title+'='+info;extform.submit();");
}
}
}
function editext(residx,type) {
if (document.getElementById('upload'+type+residx)) {
var curr = document.getElementById('upload'+type+residx).style.display;
if (curr == 'none') {
disp = 'block';
} else {
disp = 'none';
}
document.getElementById('upload'+type+residx).style.display=disp;
}
resize_scrollbox('contentscroll','1','1');
return;
}
function extUrlPreview(caller,protocol) {
if (document.getElementById(caller)) {
var url = document.getElementById(caller).value;
if (regexp.test(url)) {
var http_regex = /^http\:\/\//gi;
var mixed = 0;
var noiframe = 0;
var nopriv = 0;
var badurl = 0;
var name = "externalpreview";
if ((protocol == 'https') && (http_regex.test(url))) {
mixed = 1;
}
var http = new XMLHttpRequest();
var lcurl = "/adm/exturlcheck";
var params = "exturl="+url;
http.open("POST",lcurl, true);
http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
http.onreadystatechange = function() {
if (http.readyState == 4) {
if (http.status == 200) {
if (http.responseText.length > 0) {
if (http.responseText == 1) {
noiframe = 1;
} else if (http.responseText == -1) {
nopriv = 1;
} else if (http.responseText == 0) {
badurl = 1;
}
}
openPreviewWindow(url,name,noiframe,mixed,nopriv,badurl);
}
}
}
http.send(params);
} else {
alert("$js_lt{'invurl'}");
}
}
}
var previewLCWindow = null;
function openPreviewWindow(url,name,noiframe,mixed,nopriv,badurl) {
if (previewLCWindow !=null) {
previewLCWindow.close();
}
if (badurl) {
alert("$js_lt{'badurl'}");
} else if (nopriv) {
alert("$js_lt{'nopriv'}");
} else if ((noiframe == 1) || (mixed == 1)) {
var encurl = encodeURI(url);
var msg;
if (mixed == 1) {
if (noiframe == 1) {
msg = "$js_lt{'mixfra'}";
} else {
msg = "$js_lt{'mixonly'}";
}
} else {
msg = "$js_lt{'fraonly'}";
}
if (confirm(msg)) {
previewLCWindow = window.open(url,name,"height=400,width=500,scrollbars=1,resizable=1,menubar=0,location=1");
if (previewLCWindow != null) {
previewLCWindow.focus();
} else {
alert("$js_lt{'nopopup'}");
}
}
} else {
openMyModal(url,500,400,'yes');
}
}
function updateExttool(caller,form,supplementalflag) {
var prefix = '';
if (supplementalflag == 1) {
prefix = 'supp';
}
dispdiv = prefix+'tooldispdiv';
dimendiv = prefix+'tooldimendiv';
widthinput = prefix+'tooldimenwidth';
heightinput = prefix+'tooldimenheight';
labeldiv = prefix+'toolcrslabeldiv';
titlediv = prefix+'toolcrstitlediv';
appenddiv = prefix+'toolcrsappenddiv';
providerurl = prefix+'toolproviderurl';
labelinput = prefix+'toolcrslabel';
titleinput = prefix+'toolcrstitle';
appendinput = prefix+'toolcrsappend';
windiv = prefix+'toolwindiv';
linktextdiv = prefix+'toollinktextdiv';
linktextinput = prefix+'toollinktext';
explanationdiv = prefix+'toolexplanationdiv';
explanationinput = prefix+'toolexplanation';
if (document.getElementById(dispdiv)) {
var toolpick = caller.options[caller.selectedIndex].value;
$toolsjs
if (toolpick == '') {
if (document.getElementById(dispdiv)) {
document.getElementById(dispdiv).style.display = 'none';
}
if (document.getElementById(dimendiv)) {
document.getElementById(dimendiv).style.display = 'none';
}
if (document.getElementById(windiv)) {
document.getElementById(windiv).style.display = 'none';
}
if (document.getElementById(linktextdiv)) {
document.getElementById(linktextdiv).style.display = 'none';
}
if (document.getElementById(explanationdiv)) {
document.getElementById(explanationdiv).style.display = 'none';
}
if (document.getElementById(labeldiv)) {
document.getElementById(labeldiv).style.display = 'none';
}
if (document.getElementById(titlediv)) {
document.getElementById(titlediv).style.display = 'none';
}
if (document.getElementById(appenddiv)) {
document.getElementById(appenddiv).style.display = 'none';
}
} else {
if (ltitools.length > 0) {
for (var j=0; j ';
}
}
} else {
document.getElementById(appenddiv).style.display = 'none';
if (document.getElementById(providerurl)) {
document.getElementById(providerurl).innerHTML = '';
}
}
}
break;
}
}
}
}
}
}
function updateTooldim(form,dimendiv,windiv,widthinput,heightinput,linkinput,explaininput) {
if (form.exttooltarget.length) {
for (var i=0; i