# The LearningOnline Network
# Documents
#
# $Id: lonextresedit.pm,v 1.19 2017/05/10 13:49:14 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) {
$errormsg = '<p class="LC_error">'.$errormsg.'</p>';
}
my %ltitools;
if ($type eq 'tool') {
%ltitools = &Apache::lonnet::get_domain_ltitools($cdom);
}
my $js = &Apache::lonhtmlcommon::scripttag(&extedit_javascript());
my $pathitem = '<input type="hidden" name="folderpath" value="'.
&HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />';
my $description = 'External Resource Editor';
if ($type eq 'tool') {
$description = 'External Tool Editor';
}
$r->print(&Apache::loncommon::start_page($description,$js).
'<div class="LC_left_float">'.
$output.
$errormsg.
&extedit_form($supplementalflag,$residx,$url,$title,$pathitem,undef,
'direct',$env{'form.symb'},$type,$cdom,$cnum,\%ltitools).
'</div>'.&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 %toolhash=&Apache::lonnet::dump('exttool_'.$marker,$cdom,$cnum);
my (%newhash,$changed,@deleted,$errormsg);
($newhash{'target'},$newhash{'width'},$newhash{'height'},$newhash{'linktext'},$newhash{'explanation'},
$newhash{'crslabel'},$newhash{'crstitle'}) = split(/:/,$args);
foreach my $item ('linktext','explanation','crslabel','crstitle') {
$newhash{$item} = &unescape($newhash{$item});
}
my %toolhash=&Apache::lonnet::dump('exttool_'.$marker,$cdom,$cnum);
foreach my $item ('target','width','height','linktext','explanation','crslabel','crstitle') {
$newhash{$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,
$legend,$urlelem,$toolelem,%toolattr);
$formname = 'new'.$type;
$toggle = $type;
$fieldsetid = 'upload'.$type.'form';
$urlid = $type.'url';
map { $toolattr{$_} = $type.$_; } ('dispdiv','dimendiv','dimenwidth','dimenheight',
'crstitlediv','crslabeldiv','crstitle','crslabel',
'windiv','linktextdiv','explanationdiv','linktext',
'explanation');
$dispdivstyle = 'display:none';
$dimendivstyle = 'display:none';
$windivstyle = 'display:none';
$linktextstyle = 'display:none';
$explanationstyle = 'display:none';
$labelstyle = 'display:none';
$titlestyle = 'display:none';
if ($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,
$fieldsetstyle,$action,$hiddenelem,$form,$width,$height,$tooltarget,
$linktext,$explanation,%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'};
}
$legend = '<legend>'.$legend.'</legend>';
if ($symb) {
$hiddenelem = '<input type="hidden" name="symb" value="'.$symb.'" />';
} elsif ($supplementalflag) {
$hiddenelem = '<input type="hidden" name="suppurl" value="'.
&HTML::Entities::encode(&escape($orig_url),'<>&"').'" />'."\n".
'<input type="hidden" name="title" value="'.
&HTML::Entities::encode(&escape($orig_title),'<>&"').'" />';
}
} else {
$link = '<a class="LC_docs_ext_edit" href="javascript:editext('."'$residx','$type'".');">'.$lt{'ed'}.'</a> '."\n";
$size = 40;
$active = '<input type="hidden" name="active" value="'.$tabid.'" />';
}
$formname = 'edit'.$type.'_'.$residx;
$fieldsetid = 'upload'.$type.$residx;
$urlid = $type.'url_'.$residx;
map { $toolattr{$_} .= '_'.$residx; } (keys(%toolattr));
$srcclass = ' class="LC_nobreak"';
if ($type eq 'ext') {
$extsrc = '<span class="LC_docs_ext_edit">'.$lt{'ul'}.' </span>';
$preview = ' <a class="LC_docs_ext_edit" href="javascript:extUrlPreview('."'$urlid','$protocol'".');">'.$lt{'pr'}.'</a>';
}
$title = '<span class="LC_docs_ext_edit">'.$lt{'ti'}.' </span>';
$save = $lt{'sv'};
} else {
$link = $lt{'ex'};
if ($type eq 'tool') {
$link = $lt{'et'};
}
$link = '<a class="LC_menubuttons_link" href="javascript:toggleUpload('."'$toggle'".');">'.$link.'</a>'.$helpitem;
if ($type eq 'tool') {
$legend = $lt{'te'};
} else {
$legend = $lt{'ee'};
}
$legend = '<legend>'.$legend.'</legend>';
$title = $lt{'ti'}.':<br />';
$residx = 0;
if ($type eq 'ext') {
$orig_url = 'http://';
$orig_title = $lt{'ex'};
$extsrc = $lt{'ul'}.':<br />';
$preview = '<input type="button" name="view" value="'.$lt{'pr'}.'" onclick="javascript:extUrlPreview('."'$urlid','$protocol'".');"'.$disabled.' />';
$save = $lt{'al'};
} else {
$orig_title = $lt{'et'};
$save = $lt{'at'};
$orig_url = "/adm/$cdom/$cnum/new/ext\.tool";
}
$pathitem .= '<br />';
}
$formid = $formname;
if ($type eq 'ext') {
$urlelem = '<input type="text" size="'.$size.'" name="exturl" id="'.$urlid.'" value="'.$orig_url.'"'.$disabled.' />';
} 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) {
$image = '<img src="'.$icon.'" alt="'.$tooltitle.'" />';
}
$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'}->{'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';
}
}
$toolelem = '<span class="LC_nobreak">'.$image.' '.$tooltitle.'</span><br />';
}
}
}
}
}
} else {
$toolelem = '<span class="LC_docs_ext_edit">'."\n".
'<select name="exttoolid" id="LC_exttoolid" onchange="javascript:updateExttool(this,'.
'this.form,'."'$supplementalflag'".');"'.$disabled.'>'."\n".
'<option value="" selected="selected">'.&mt('Select').'</option>';
my %bynum;
if (ref($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'};
$toolelem .= '<option value="'.$bynum{$item}->[0].'">'.$tooltitle.'</option>';
}
}
}
$toolelem .= '</select></span><br />';
$crslabel = $env{'course.'.$cdom.'_'.$cnum.'.internal.coursecode'};
$crstitle = $env{'course.'.$cdom.'_'.$cnum.'.description'};
}
$toolelem .= '<div id="'.$toolattr{'dispdiv'}.'" style="'.$dispdivstyle.'">'.
'<span class="'.$class.'">'.&mt('Display target:').' '.
'<label><input type="radio" name="exttooltarget" value="iframe" '.$chkstate{'iframe'}.'onclick="updateTooldim(this.form,'.
"'$toolattr{dimendiv}','$toolattr{windiv}','$toolattr{dimenwidth}','$toolattr{dimenheight}',
'$toolattr{linktext}','$toolattr{explanation}'".');"'.$disabled.' />'.&mt('iframe').'</label>'.(' 'x2).
'<label><input type="radio" name="exttooltarget" value="tab" '.$chkstate{'tab'}.'onclick="updateTooldim(this.form,'.
"'$toolattr{dimendiv}','$toolattr{windiv}','$toolattr{dimenwidth}','$toolattr{dimenheight}',
'$toolattr{linktext}','$toolattr{explanation}'".');"'.$disabled.' />'.&mt('tab').'</label>'.(' 'x2).
'<label><input type="radio" name="exttooltarget" value="window" '.$chkstate{'window'}.'onclick="updateTooldim(this.form,'.
"'$toolattr{dimendiv}','$toolattr{windiv}','$toolattr{dimenwidth}','$toolattr{dimenheight}',
'$toolattr{linktext}','$toolattr{explanation}'".');"'.$disabled.' />'.&mt('window').'</label></span>'.
'<div id="'.$toolattr{'dimendiv'}.'" style="'.$dimendivstyle.'"><span class="'.$class.'">'.
&mt('Width').': <input type="text" size="4" id="'.$toolattr{'dimenwidth'}.'" name="exttoolwidth" value="'.$width.'"'.$disabled.' />'.(' 'x2).
&mt('Height').': <input type="text" size="4" id="'.$toolattr{'dimenheight'}.'" name="exttoolheight" value="'.$height.'"'.$disabled.' /></span>'."\n".
'</div></div>';
$toolelem .= '<div id="'.$toolattr{'windiv'}.'" style="'.$windivstyle.'">'.
'<div id="'.$toolattr{'linktextdiv'}.'" class="LC_left_float" style="'.$linktextstyle.'">'.
'<span class="'.$class.'">'.&mt('Link Text').'</span><br /><input type="text" size="25" id="'.$toolattr{'linktext'}.
'" name="exttoollinktext" value="'.$linktext.'"'.$disabled.' />'.
'</div><div id="'.$toolattr{'explanationdiv'}.'" class="LC_left_float" style="'.$explanationstyle.'">'.
'<span class="'.$class.'">'.&mt('Explanation').'</span><br />'.
'<textarea rows="'.$rows.'" cols="'.$cols.'" id="'.$toolattr{'explanation'}.'" name="exttoolexplanation" '.$disabled.'>'.
$explanation.'</textarea></div><div style="padding:0;clear:both;margin:0;border:0"></div>'.
'</div>';
$toolelem .= '<div id="'.$toolattr{'crslabeldiv'}.'" style="'.$labelstyle.'">'.
'<span class="'.$class.'">'.&mt('Course label:').' '.
'<input type="text" id="'.$toolattr{'crslabel'}.'" name="exttoollabel" value="'.$crslabel.'"'.$disabled.' /></span><br />'.
'</div>'.
'<div id="'.$toolattr{'crstitlediv'}.'" style="'.$titlestyle.'">'.
'<span class="'.$class.'">'.&mt('Course title:').' '.
'<input type="text" id="'.$toolattr{'crstitle'}.'" name="exttooltitle" value="'.$crstitle.'"'.$disabled.' /></span><br />'.
'</div>';
}
my $chooser = $toolelem;
if ($type eq 'ext') {
$chooser = "
<div>
<span$srcclass>
$extsrc
$urlelem
$preview
</span>
</div>
";
}
$form = <<ENDFORM;
<form action="$action" method="post" name="$formname" id="$formid">
<fieldset id="$fieldsetid" style="$fieldsetstyle">
$legend
$active
$chooser
<div>
<span$srcclass>
$title
<input type="text" size="$size" name="exttitle" value="$orig_title" $disabled />
<input type="hidden" name="importdetail" value="" />
$pathitem
$hiddenelem
<input type="button" value="$save" onclick="javascript:setExternal(this.form,'$residx','$type','$orig_url','$supplementalflag');" $disabled />
</span>
</div>
</fieldset>
</form>
ENDFORM
if (wantarray) {
return ($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'});
$pathitem = '<input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($folderpath,'<>&"').'" />';
} 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);
$pathitem = '<input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($path,'<>&"').'" />';
}
my %ltitools;
if ($type eq 'tool') {
%ltitools = &Apache::lonnet::get_domain_ltitools($cdom);
}
$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).
'<div class="LC_left_float">'.
&extedit_form($supplementalflag,$residx,$url,$title,$pathitem,undef,'direct',
$symb,$type,$cdom,$cnum,\%ltitools).
'</div>'.
&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 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";
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'};
$toolsjs .= ' ltitools['.$i.'] = '."'$key';\n".
' ltitoolsTarget['.$i.'] = '."'$target';\n".
' ltitoolsWidth['.$i.'] = '."'$width';\n".
' ltitoolsHeight['.$i.'] = '."'$height';\n".
' ltitoolsLinkDef['.$i.'] = '."'$linkdef';\n".
' ltitoolsExplainDef['.$i.'] = '."'$explaindef';\n";
}
if (ref($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";
}
$i++;
}
}
}
my %js_lt = &Apache::lonlocal::texthash(
invurl => 'Invalid URL',
titbl => 'Title is blank',
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 <<ENDJS;
var regexp = $urlregexp;
function setExternal(extform,residx,type,exttoolurl,supplementalflag) {
var title=extform.exttitle.value;
if (!String.trim) {
String.prototype.trim = function() {return this.replace(\/^\\s+|\\s+$\/g, "");}; }
if (title == null || title.trim()=="") {
alert("$js_lt{'titbl'}");
extform.exttitle.focus();
return;
}
if (type == 'ext') {
var url=extform.exturl.value;
if (!regexp.test(url)) {
alert("$js_lt{'invurl'}");
extform.exturl.focus();
return;
} else {
url = escape(url);
title = escape(title);
if (residx > 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<extform.exttooltarget.length; i++) {
if (extform.exttooltarget[i].checked) {
if (extform.exttooltarget[i].value == 'window') {
var width = extform.exttoolwidth.value;
width.trim();
var height = extform.exttoolheight.value;
height.trim();
info += ':window:'+width+':'+height;
} else if (extform.exttooltarget[i].value == 'tab') {
info += ':tab::';
} else {
info += ':iframe::';
}
}
}
}
} else {
info += ':::';
}
} else {
info += ':::';
}
if (document.getElementById(windiv)) {
if (document.getElementById(windiv).style.display == 'block') {
var linktextdiv = prefix+'toollinktextdiv';
var explanationdiv = prefix+'toolexplanationdiv';
if (residx > 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';
if (residx > 0) {
labelinput += '_'+residx;
titleinput += '_'+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 += ':';
}
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;
if ((protocol == 'https') && (http_regex.test(url))) {
window.open(url,"externalpreview","height=400,width=500,scrollbars=1,resizable=1,menubar=0,location=1");
} else {
openMyModal(url,500,400,'yes');
}
} else {
alert("$js_lt{'invurl'}");
}
}
}
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';
labelinput = prefix+'toolcrslabel';
titleinput = prefix+'toolcrstitle';
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';
}
} else {
if (ltitools.length > 0) {
for (var j=0; j<ltitools.length; j++) {
if (ltitools[j] == toolpick) {
if (document.getElementById(dispdiv)) {
if (ltitoolsDisplay[j]) {
document.getElementById(dispdiv).style.display = 'block';
if (form.exttooltarget.length) {
for (var k=0; k<form.exttooltarget.length; k++) {
if (form.exttooltarget[k].value == ltitoolsTarget[j]) {
form.exttooltarget[k].checked = true;
break;
}
}
}
}
var dimen = 'none';
var dimenwidth = '';
var dimenheight = '';
if ((ltitoolsDisplay[j]) && (ltitoolsTarget[j] == 'window')) {
dimen = 'block';
dimenwidth = ltitoolsWidth[j];
dimenheight = ltitoolsHeight[j];
}
if (document.getElementById(dimendiv)) {
document.getElementById(dimendiv).style.display = dimen;
}
if (document.getElementById(widthinput)) {
document.getElementById(widthinput).value = dimenwidth;
}
if (document.getElementById(heightinput)) {
document.getElementById(heightinput).value = dimenheight;
}
}
if (document.getElementById(windiv)) {
if ((ltitoolsTarget[j] == 'window') || (ltitoolsTarget[j] == 'tab')) {
document.getElementById(windiv).style.display = 'block';
} else {
document.getElementById(windiv).style.display = 'none';
}
if (document.getElementById(linktextdiv)) {
if (ltitoolsLink[j]) {
document.getElementById(linktextdiv).style.display = 'inline';
} else {
document.getElementById(linktextdiv).style.display = 'none';
}
}
if (document.getElementById(linktextinput)) {
if (ltitoolsLink[j]) {
document.getElementById(linktextinput).value = ltitoolsLinkDef[j];
} else {
document.getElementById(linktextinput).value = '';
}
}
if (document.getElementById(explanationdiv)) {
if (ltitoolsExplain[j]) {
document.getElementById(explanationdiv).style.display = 'inline';
} else {
document.getElementById(explanationdiv).style.display = 'none';
}
}
if (document.getElementById(explanationinput)) {
if (ltitoolsExplain[j]) {
document.getElementById(explanationinput).value = ltitoolsExplainDef[j];
} else {
document.getElementById(explananationinput).value = '';
}
}
}
if (document.getElementById(labeldiv)) {
if (ltitoolsLabel[j]) {
document.getElementById(labeldiv).style.display = 'inline';
} else {
document.getElementById(labeldiv).style.display = 'none';
}
}
if (document.getElementById(titlediv)) {
if (ltitoolsTitle[j]) {
document.getElementById(titlediv).style.display = 'inline';
} else {
document.getElementById(titlediv).style.display = 'none';
}
}
break;
}
}
}
}
}
}
function updateTooldim(form,dimendiv,windiv,widthinput,heightinput,linkinput,explaininput) {
if (form.exttooltarget.length) {
for (var i=0; i<form.exttooltarget.length; i++) {
if (form.exttooltarget[i].checked) {
var dimen = 'none';
var linkconf = 'none';
if (form.exttooltarget[i].value == 'window') {
dimen = 'block';
linkconf = 'block';
} else {
if (form.exttooltarget[i].value == 'tab') {
linkconf = 'block';
} else {
if (document.getElementById(widthinput)) {
document.getElementById(widthinput).value = '';
}
if (document.getElementById(heightinput)) {
document.getElementById(heightinput).value = '';
}
if (document.getElementById(linkinput)) {
document.getElementById(linkinput).value = '';
}
if (document.getElementById(explaininput)) {
document.getElementById(explaininput).value = '';
}
}
}
if (document.getElementById(dimendiv)) {
document.getElementById(dimendiv).style.display = dimen;
}
if (document.getElementById(windiv)) {
document.getElementById(windiv).style.display = linkconf;
}
break;
}
}
}
}
ENDJS
}
1;
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