Diff for /rat/lonwrapper.pm between versions 1.68 and 1.76

version 1.68, 2017/12/30 00:16:36 version 1.76, 2020/02/29 16:05:26
Line 44  use HTML::Entities(); Line 44  use HTML::Entities();
   
 # ================================================================ Main Handler  # ================================================================ Main Handler
 sub wrapper {  sub wrapper {
     my ($url,$brcrum,$absolute,$is_ext,$is_pdf,$exttool,$linktext,$explanation,      my ($r,$url,$brcrum,$absolute,$is_ext,$is_pdf,$exttool,$linktext,$explanation,
         $title,$width,$height) = @_;          $title,$width,$height) = @_;
   
     my $forcereg;      my $forcereg;
Line 56  sub wrapper { Line 56  sub wrapper {
                                           'show' => 'Show content in pop-up window',                                            'show' => 'Show content in pop-up window',
                                         );                                          );
   
     my $anchor;      my ($anchor,$uselink);
     if ($is_ext) {      if ($is_ext) {
         if ($env{'form.symb'}) {          if ($env{'form.symb'}) {
             (undef,undef,my $res) = &Apache::lonnet::decode_symb($env{'form.symb'});              (undef,undef,my $res) = &Apache::lonnet::decode_symb($env{'form.symb'});
Line 66  sub wrapper { Line 66  sub wrapper {
         } elsif ($env{'form.anchor'} ne '') {          } elsif ($env{'form.anchor'} ne '') {
             $anchor = '#'.$env{'form.anchor'};              $anchor = '#'.$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);      my $noiframe = &Apache::loncommon::modal_link($url.$anchor,$lt{'show'},500,400);
Line 83  sub wrapper { Line 89  sub wrapper {
         $args->{'only_body'} = $env{'form.only_body'};          $args->{'only_body'} = $env{'form.only_body'};
     }      }
   
     my ($countdown,$donemsg);      my ($countdown,$donemsg,$headjs);
     if (($exttool) && (&Apache::lonnet::EXT('resource.0.gradable') =~ /^yes$/i)) {      if (($exttool) && (&Apache::lonnet::EXT('resource.0.gradable') =~ /^yes$/i)) {
         $Apache::lonhomework::browse = &Apache::lonnet::allowed('bre',$url);          $Apache::lonhomework::browse = &Apache::lonnet::allowed('bre',$url);
         if ($env{'form.markaccess'}) {          if ($env{'form.markaccess'}) {
Line 129  sub wrapper { Line 135  sub wrapper {
         }          }
     }      }
   
     my $startpage = &Apache::loncommon::start_page('Menu',undef,$args).$countdown.$donemsg;  #
   # 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 = '
   <script type="text/javascript">
   // <![CDATA[
   var LCnotready = 0;
   var LCresizedef = 0;
   // ]]>
   </script>'."\n";
       }
   
       my $startpage = &Apache::loncommon::start_page('Menu',$headjs,$args).$countdown.$donemsg;
     my $endpage = &Apache::loncommon::end_page();      my $endpage = &Apache::loncommon::end_page();
   
       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') || ($exttool eq 'tab')) {      if (($env{'browser.mobile'}) || ($exttool eq 'window') || ($exttool eq 'tab')) {
         my $output = $startpage;          my $output = $startpage;
         if ($is_pdf) {          if ($is_pdf) {
             if ($title eq '') {              $linktext = &mt('Link to PDF (for mobile devices)');
                 $title = $env{'form.title'};              $output .= &create_link($url,$anchor,$title,$linktext);
                 if ($title eq '') {  
                     unless ($env{'request.enc'}) {  
                         ($title) = ($url =~ m{/([^/]+)$});  
                         $title =~ s/(\?[^\?]+)$//;  
                     }  
                 }  
             }  
             unless ($title eq '') {  
                 $output .= $title.'<br />';  
             }  
             $output .= '<a href="'.$url.'">'.&mt('Link to PDF (for mobile devices)').'</a>';  
         } elsif (($exttool eq 'window') || ($exttool eq 'tab')) {          } elsif (($exttool eq 'window') || ($exttool eq 'tab')) {
             if ($linktext eq '') {              if ($linktext eq '') {
                 $linktext = &mt('Launch External Tool');                  $linktext = &mt('Launch External Tool');
Line 162  sub wrapper { Line 184  sub wrapper {
                 $output .= <<"ENDLINK";                  $output .= <<"ENDLINK";
 <script type="text/javascript">  <script type="text/javascript">
 // <![CDATA[  // <![CDATA[
 var windowObjectReference = null;   var windowObjectReference = null;
 var PreviousUrl;   var PreviousUrl;
                              
 function openSinglePopup(strUrl) {  function openSinglePopup(strUrl) {
     if (windowObjectReference == null || windowObjectReference.closed) {      if (windowObjectReference == null || windowObjectReference.closed) {
         windowObjectReference = window.open(strUrl, "LCExternalToolPopUp",          windowObjectReference = window.open(strUrl, "LCExternalToolPopUp",
Line 193  ENDLINK Line 215  ENDLINK
                 $output .= &Apache::lonfeedback::list_discussion('tool','OPEN');                  $output .= &Apache::lonfeedback::list_discussion('tool','OPEN');
             }              }
         } else {          } else {
             my $dest = &HTML::Entities::encode($url.$anchor,'&<>"');              if ($uselink) {
             $output .= '<div style="overflow:scroll; -webkit-overflow-scrolling:touch;">'."\n".                  $linktext = &mt('Link to resource');
                        '<iframe src="'.$dest.'" height="100%" width="100%" frameborder="0">'."\n".                  $output .= &create_link($url,$anchor,$title,$linktext);
                        "$lt{'noif'} $noiframe\n".              } else {
                        "</iframe>\n".                  my $dest = &HTML::Entities::encode($url.$anchor,'&<>"');
                        "</div>\n";                  $output .= '<div style="overflow:scroll; -webkit-overflow-scrolling:touch;">'."\n".
                              '<iframe src="'.$dest.'" height="100%" width="100%" frameborder="0">'."\n".
                              "$lt{'noif'} $noiframe\n".
                              "</iframe>\n".
                              "</div>\n";
               }
         }          }
         $output .= $endpage;          $output .= $endpage;
         return $output;          return $output;
       } elsif ($uselink) {
           $linktext = &mt('Link to resource');
           return $startpage.&create_link($url,$anchor,$title,$linktext).$endpage;
     } else {      } else {
         my $offset = 5;          my $offset = 5;
         &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['inhibitmenu']);          &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['inhibitmenu']);
Line 230  ENDLINK Line 260  ENDLINK
                 var pos = height + hdrtop + offset;                  var pos = height + hdrtop + offset;
                 \$('.LC_iframecontainer').css('top', pos);                  \$('.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  SCRIPT
         # javascript will position the iframe if window was resized (or zoomed)          # javascript will position the iframe if window was resized (or zoomed)
         my $dest = &HTML::Entities::encode($url.$anchor,'&<>"');          my $dest = &HTML::Entities::encode($url.$anchor,'&<>"');
Line 246  ENDFRAME Line 288  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 '') {
           $shownlink = '<span style="font-weight:bold;">'.$title.'</span><br />';
       }
       my $dest = &HTML::Entities::encode($url.$anchor,'&<>"');
       $shownlink .= '<a href="'.$dest.'">'.$linktext.'</a>';
       return $shownlink;
   }
   
 sub handler {  sub handler {
     my $r=shift;      my $r=shift;
     &Apache::loncommon::content_type($r,'text/html');      &Apache::loncommon::content_type($r,'text/html');
Line 259  sub handler { Line 321  sub handler {
   
     for ($url){      for ($url){
         s|^/adm/wrapper||;          s|^/adm/wrapper||;
         $is_ext = $_ =~ s|^/ext/|http://|;                   $is_ext = $_ =~ s|^/ext/|http://|;
         s|http://https://|https://|;          s|http://https://|https://| if ($is_ext);
         s|&colon;|:|g;                        s|&colon;|:|g;
     }      }
   
   
     if ($url =~ /\.pdf$/i) {      if ($url =~ /\.pdf$/i) {
         $is_pdf = 1;          $is_pdf = 1;
     } elsif ($url =~ m{^/adm/($match_domain)/($match_courseid)/(\d+)/ext\.tool$}) {      } elsif ($url =~ m{^/adm/($match_domain)/($match_courseid)/(\d+)/ext\.tool$}) {
Line 286  sub handler { Line 347  sub handler {
             $width = $toolhash{'width'};              $width = $toolhash{'width'};
             $height = $toolhash{'height'};              $height = $toolhash{'height'};
         } elsif ($toolhash{'target'} eq 'tab') {          } elsif ($toolhash{'target'} eq 'tab') {
             $exttool = 'tab';               $exttool = 'tab';
         }          }
         if (($exttool eq 'window') || ($exttool eq 'tab')) {          if (($exttool eq 'window') || ($exttool eq 'tab')) {
             $linktext = $toolhash{'linktext'};               $linktext = $toolhash{'linktext'};
             $explanation = $toolhash{'explanation'};              $explanation = $toolhash{'explanation'};
         } elsif (($exttoolremote =~ /^http:/) && ($ENV{'SERVER_PORT'} == 443)) {          } elsif (($exttoolremote =~ /^http:/) && ($ENV{'SERVER_PORT'} == 443)) {
             $exttool = 'tab';              $exttool = 'tab';
Line 367  sub handler { Line 428  sub handler {
             &Apache::lonenc::check_encrypt(\$url);              &Apache::lonenc::check_encrypt(\$url);
         }          }
   
         $r->print( wrapper($url,$brcrum,$absolute,$is_ext,$is_pdf,$exttool,          $r->print( wrapper($r,$url,$brcrum,$absolute,$is_ext,$is_pdf,$exttool,
                            $linktext,$explanation,undef,$width,$height) );                             $linktext,$explanation,undef,$width,$height) );
   
     } # not just the menu      } # not just the menu
Line 395  described at http://www.lon-capa.org. Line 456  described at http://www.lon-capa.org.
   
 =over  =over
   
 =item wrapper($url,$brcrum,$absolute,$is_ext,$is_pdf,$linktext,$explanation,$title,$width,$height)  =item wrapper($r,$url,$brcrum,$absolute,$is_ext,$is_pdf,$exttool,$linktext,$explanation,$title,$width,$height)
   
 =over  =over
   
   =item $r
   
   request object
   
 =item $url  =item $url
   
 url to display by including in an iframe within a  url to display either by including in an iframe within a
 LON-CAPA page which has a standard LON-CAPA inline menu.  LON-CAPA page which has a standard LON-CAPA inline menu,
   or in some cases launched in a separate tab or window,
   launched via a link in a LON-CAPA page with standard inline
   menu.
   
 =item $brcrum  =item $brcrum
   
Line 437  true if URL is for an external resource. Line 505  true if URL is for an external resource.
   
 true if URL is for a PDF (based on file extension).  true if URL is for a PDF (based on file extension).
   
   =item $exttool
   
   If URL is for an External Tool, will contain the target type: iframe, window or tab.
   
   =item $linktext
   
   optional. If URL is for an External Tool, and target type is window or tab, 
   then the link text may be an option set in the course for each tool instance,
   or may be a default defined in the domain for all instances of the tool.
   
   =item $explanation
   
   optional. If URL is for an External Tool, and target type is window or tab, 
   then the explanation is an option set in the course for each tool instance,
   or may be a default defined in the domain for all instances of the tool.
   
 =item $title  =item $title
   
 optional. If wrapped item is a PDF, and $env{'browser.mobile'}   optional. If wrapped item is a PDF, and $env{'browser.mobile'} 
Line 445  above the link, but if not provided as a Line 529  above the link, but if not provided as a
 will be used, otherwise, the filename will be displayed (unless  will be used, otherwise, the filename will be displayed (unless
 hidden URL set for the resource).  hidden URL set for the resource).
   
   =item $width
   
   optional. If URL is for an External Tool, and target type is window,
   then a default width may have been defined in the domain for all instances of 
   the tool.  If so, that width will be used for the window opened (via a link)
   to launch the external tool.
   
   =item $height
   
   optional. If URL is for an External Tool, and target type is window,
   then a default height may have been defined in the domain for all instances of 
   the tool.  If so, that height will be used for the window opened (via a link)
   to launch the external tool.
   
 =back  =back
   
 Returns markup for the entire page.  Returns markup for the entire page.
   
 =item handler()  =item handler()
   
   Content handler for requests for: /adm/wrapper/...
   used for content to be displayed in an iframe, or launched in a separate tab
   or window via a link.  The target URL is extracted from the requested URL, by
   removing the /adm/wrapper prefix. 
   
   The target URL will typically be a PDF served from the current server, an 
   external resource URL served from a different server, or an external tool
   (from an LTI Provider) launched from LON-CAPA (as LTI Consumer) and launched
   via a link.
   
   If the request included forceedit in the query string, and the requester has
   rights to modify course content, then the editor will be didplayed to allow
   changes to be made to the resource (e.g., change the URL of the external resource,
   or change the setting for the external tool instance.
   
   If not in edit mode, then the wrapper() subroutine will be called to generate the
   standard LON-CAPA inline menu, and then either a link to launch a separate tab or
   window, or an iframe to display the content inline. 
   
 =back  =back
   
 =cut  =cut

Removed from v.1.68  
changed lines
  Added in v.1.76


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