--- loncom/interface/londocs.pm	2013/05/19 15:33:54	1.546
+++ loncom/interface/londocs.pm	2013/08/13 15:38:35	1.558
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Documents
 #
-# $Id: londocs.pm,v 1.546 2013/05/19 15:33:54 raeburn Exp $
+# $Id: londocs.pm,v 1.558 2013/08/13 15:38:35 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -56,6 +56,7 @@ my $hashtied;
 my %alreadyseen=();
 
 my $hadchanges;
+my $suppchanges;
 
 
 my %help=();
@@ -79,7 +80,11 @@ sub storemap {
 			      $map,1,$report);
     if ($errtext) { return ($errtext,2); }
 
-    $hadchanges=1;
+    if ($map =~ /^default/) {
+        $hadchanges=1;
+    } else {
+        $suppchanges=1;
+    }
     return ($errtext,0);
 }
 
@@ -402,6 +407,11 @@ END
     }
     my ($errtext,$fatal) =
         &storemap($coursenum, $coursedom, $folder.'.'.$container,1);
+    unless ($fatal) {
+        if ($folder =~ /^supplemental/) {
+            &Apache::lonnet::get_numsuppfiles($coursenum,$coursedom,1);
+        }
+    }
     return ($errtext,$fatal,$fixuperrors);
 }
 
@@ -488,7 +498,7 @@ sub docs_change_log {
     }
     my $folderpath=$env{'form.folderpath'};
     if ($folderpath eq '') {
-        $folderpath = 'default&'.&escape(&mt('Main '.$crstype.' Content').':::::');
+        $folderpath = 'default&'.&escape(&mt('Main Content').':::::');
     }
     $pathitem = '<input type="hidden" name="folderpath" value="'.
                 &HTML::Entities::encode($folderpath,'<>&"').'" />';
@@ -2704,7 +2714,7 @@ sub editor {
             }
             $to_show .= &Apache::loncommon::start_scrollbox('400px','380px','200px','contentscroll')
                        .'<div class="LC_info" id="contentlist">'
-                       .&mt('Currently no documents.')
+                       .&mt('Currently empty')
                        .'</div>'
                        .&Apache::loncommon::end_scrollbox();
         }
@@ -2717,7 +2727,7 @@ sub editor {
                       .'</div>';
         } else {
             $to_show = '<div class="LC_info" id="contentlist">'
-                      .&mt('Currently no documents.')
+                      .&mt('Currently empty')
                       .'</div>'
         }
     }
@@ -2802,8 +2812,30 @@ sub multiple_check_form {
 }
 
 sub process_file_upload {
-    my ($upload_output,$coursenum,$coursedom,$allfiles,$codebase,$uploadcmd) = @_;
+    my ($upload_output,$coursenum,$coursedom,$allfiles,$codebase,$uploadcmd,$crstype) = @_;
 # upload a file, if present
+    my $filesize = length($env{'form.uploaddoc'});
+    if (!$filesize) {
+        $$upload_output = '<div class="LC_error">'.
+                           &mt('Unable to upload [_1]. (size = [_2] bytes)',
+                          '<span class="LC_filename">'.$env{'form.uploaddoc.filename'}.'</span>',
+                          $filesize).'<br />'.
+                          &mt('Either the file you attempted to upload was empty, or your web browser was unable to read its contents.').'<br />'.
+                          '</div>';
+        return;
+    }
+    my $quotatype = 'unofficial';
+    if ($crstype eq 'Community') {
+        $quotatype = 'community';    
+    } elsif ($env{'course.'.$coursedom.'_'.$coursenum.'.internal.instcode'}) {
+        $quotatype = 'official';
+    }
+    if (&Apache::loncommon::get_user_quota($coursenum,$coursedom,'course',$quotatype)) {
+        $filesize = int($filesize/1000); #expressed in kb
+        $$upload_output = &Apache::loncommon::excess_filesize_warning($coursenum,$coursedom,'course',
+                                                                      $env{'form.uploaddoc.filename'},$filesize,'upload');
+        return if ($$upload_output);
+    }
     my ($parseaction,$showupload,$nextphase,$mimetype);
     if ($env{'form.parserflag'}) {
         $parseaction = 'parse';
@@ -3123,11 +3155,9 @@ ENDREM
                 push(@{$filtersref->{'canremove'}},$orderidx);
             }
         }
-        unless ($isexternal) {
-            $renamelink=(<<ENDREN);
+        $renamelink=(<<ENDREN);
 <a href='javascript:changename("$esc_path","$index","$renametitle");' class="LC_docs_rename">$lt{'rn'}</a>
 ENDREN
-        }
 	$line.=(<<END);
 <td>
 <div class="LC_docs_entry_move">
@@ -3651,8 +3681,8 @@ sub list_symbs {
 sub verifycontent {
     my ($r) = @_;
     my $crstype = &Apache::loncommon::course_type();
-    $r->print(&Apache::loncommon::start_page('Verify '.$crstype.' Documents'));
-    $r->print(&Apache::lonhtmlcommon::breadcrumbs('Verify '.$crstype.' Documents'));
+    $r->print(&Apache::loncommon::start_page('Verify '.$crstype.' Content'));
+    $r->print(&Apache::lonhtmlcommon::breadcrumbs('Verify '.$crstype.' Content'));
     $r->print(&startContentScreen('tools'));
     $r->print('<h4 class="LC_info">'.&mt($crstype.' content verification').'</h4>'); 
    $hashtied=0;
@@ -3754,7 +3784,7 @@ sub checkversions {
     &changewarning($r,'');
     if ($env{'form.timerange'} eq 'all') {
 # show all documents
-	$header=&mt('All Documents in '.$crstype);
+	$header=&mt('All content in '.$crstype);
 	$allsel=' selected="selected"';
 	foreach my $key (keys(%hash)) {
 	    if ($key=~/^ids\_(\/res\/.+)$/) {
@@ -4032,7 +4062,7 @@ sub startContentScreen {
         $output .= '<li'.(($mode eq 'courseindex')?' class="active"':'').'><a href="/adm/indexcourse"><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.&mt('Content Index').'&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</b></a></li>'."\n";
         $output .= '<li '.(($mode eq 'suppdocs')?' class="active"':'').'><a href="/adm/supplemental"><b>'.&mt('Supplemental Content').'</b></a></li>';
     } else {
-        $output .= '<li '.(($mode eq 'docs')?' class="active"':'').' id="tabbededitor"><a href="/adm/coursedocs?forcestandard=1"><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.&mt('Content Editor').'&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</b></a></li>'."\n";
+        $output .= '<li '.(($mode eq 'docs')?' class="active"':'').' id="tabbededitor"><a href="/adm/coursedocs?forcestandard=1"><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.&mt('Main Content Editor').'&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</b></a></li>'."\n";
         $output .= '<li '.(($mode eq 'suppdocs')?' class="active"':'').'><a href="/adm/coursedocs?forcesupplement=1"><b>'.&mt('Supplemental Content Editor').'</b></a></li>'."\n";
         $output .= '<li '.(($mode eq 'tools')?' class="active"':'').'><a href="/adm/coursedocs?tools=1"><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.&mt('Content Utilities').'&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</b></a></li>'."\n";
                    '><a href="/adm/coursedocs?tools=1"><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.&mt('Content Utilities').'&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</b></a></li>';
@@ -4053,7 +4083,7 @@ sub endContentScreen {
 }
 
 sub supplemental_base {
-    return 'supplemental&'.&escape(&mt('Supplemental '.&Apache::loncommon::course_type().' Content'));
+    return 'supplemental&'.&escape(&mt('Supplemental Content'));
 }
 
 sub handler {
@@ -4078,7 +4108,8 @@ sub handler {
 	               'Supplemental','Score_Upload_Form','Adding_Pages',
 	               'Importing_LON-CAPA_Resource','Importing_IMS_Course',
                        'Uploading_From_Harddrive',
-	               'Check_Resource_Versions','Verify_Content') {
+	               'Check_Resource_Versions','Verify_Content',
+                       'Course_Roster','Web_Page','Dropbox') {
 	$help{$topic}=&Apache::loncommon::help_open_topic('Docs_'.$topic);
     }
     # Composite help files
@@ -4094,8 +4125,6 @@ sub handler {
 		  'Docs_About_My_Personal_Info,Docs_Editing_Templated_Pages');
     $help{'Group Portfolio'} = &Apache::loncommon::help_open_topic('Docs_About_Group_Files');
     $help{'Caching'} = &Apache::loncommon::help_open_topic('Caching');
-    $help{'Course Roster'} = &Apache::loncommon::help_open_topic('Docs_Course_Roster');
-    $help{'Web Page'} =  &Apache::loncommon::help_open_topic('Docs_Web_Page');
  
     my $allowed;
 # URI is /adm/supplemental when viewing supplemental docs in non-edit mode.
@@ -4186,7 +4215,7 @@ sub handler {
        }
    } elsif ($env{'form.command'} eq 'editdocs') {
        $env{'form.folderpath'} = 'default&'.
-                                 &escape(&mt('Main '.$crstype.' Content').':::::');
+                                 &escape(&mt('Main Content').':::::');
        &Apache::lonnet::appenv({'docs.exit.'.$env{'request.course.id'} => $env{'form.command'}});
    } elsif ($env{'form.command'} eq 'editsupp') {
        $env{'form.folderpath'} = 'supplemental&'.
@@ -4231,7 +4260,7 @@ sub handler {
        if ($supplementalflag) {
           $env{'form.folderpath'}=&supplemental_base();
        } else {
-          $env{'form.folderpath'}='default'.&escape(&mt('Main '.$crstype.' Content').
+          $env{'form.folderpath'}='default&'.&escape(&mt('Main Content').
                                   ':::::');
        }
     }
@@ -4257,7 +4286,7 @@ sub handler {
             if ($env{'form.folder'} eq '' ||
                 $env{'form.folder'} eq 'supplemental') {
                 $folderpath='default&'.
-                            &escape(&mt('Main '.$crstype.' Content').':::::');
+                            &escape(&mt('Main Content').':::::');
             }
         }
         $containertag = '<input type="hidden" name="folderpath" value="" />';
@@ -4360,7 +4389,7 @@ sub handler {
           # Process file upload - phase one - upload and parse primary file.
 	  undef($hadchanges);
           $uploadphase = &process_file_upload(\$upload_output,$coursenum,$coursedom,
-                                              \%allfiles,\%codebase,$context);
+                                              \%allfiles,\%codebase,$context,$crstype);
 	  if ($hadchanges) {
 	      &mark_hash_old();
 	  }
@@ -4412,7 +4441,7 @@ sub handler {
        my %lt=&Apache::lonlocal::texthash(
 		'copm' => 'All documents out of a published map into this folder',
                 'upfi' => 'Upload File',
-                'upld' => 'Import Content',
+                'upld' => 'Upload Content',
                 'srch' => 'Search',
                 'impo' => 'Import',
 		'lnks' => 'Import from Stored Links',
@@ -4433,8 +4462,8 @@ sub handler {
                 'grpo' => 'Group Portfolio',
                 'rost' => 'Course Roster',
                 'abou' => 'Personal Information Page for a User',
-                'imsf' => 'IMS Import',
-                'imsl' => 'Import IMS package',
+                'imsf' => 'IMS Upload',
+                'imsl' => 'Upload IMS package',
                 'cms'  => 'Origin of IMS package',
                 'se'   => 'Select',
                 'file' =>  'File',
@@ -4582,7 +4611,7 @@ HIDDENFORM
        if ($folder eq '' || $supplementalflag) {
            $folder='default';
 	   $savefolderpath = $env{'form.folderpath'};
-	   $env{'form.folderpath'}='default&'.&escape(&mt('Content'));
+	   $env{'form.folderpath'}='default&'.&escape(&mt('Main Content'));
            $pathitem = '<input type="hidden" name="folderpath" value="'.
 	       &HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />';
        }
@@ -4638,6 +4667,7 @@ NSPROBFORM
 	$pathitem
 	<input type="hidden" name="importdetail" value="" />
 	<a class="LC_menubuttons_link" href="javascript:makedropbox();">$lt{'drbx'}</a>
+        $help{'Dropbox'}
 	</form>
 NDBFORM
 
@@ -4688,7 +4718,7 @@ NASOFORM
 	<input type="hidden" name="importdetail" 
 	value="$lt{'rost'}=/adm/viewclasslist" />
 	<a class="LC_menubuttons_link" href="javascript:document.newroster.submit()">$lt{'rost'}</a>
-	$help{'Course Roster'}
+	$help{'Course_Roster'}
 	</form>
 NROSTFORM
 
@@ -4708,7 +4738,7 @@ NROSTFORM
         $pathitem
         <input type="hidden" name="importdetail" value="$newwebpage" />
         <a class="LC_menubuttons_link" href="javascript:makewebpage();">$lt{'webp'}</a>
-        $help{'Web Page'}
+        $help{'Web_Page'}
         </form>
 NWEBFORM
  
@@ -4785,7 +4815,7 @@ NGFFORM
             );
         }
         push(@importdoc,
-            {'<img class="LC_noBorder_LC_middle" src="/res/adm/pages/pdfupload.png" alt="'.$lt{upl}.'" onclick="javascript:toggleUpload(\'doc\');" />'=>$fileuploadform}
+            {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/pdfupload.png" alt="'.$lt{upl}.'" onclick="javascript:toggleUpload(\'doc\');" />'=>$fileuploadform}
         );
         $fileuploadform =  &create_form_ul(&create_list_elements(@importdoc));
 
@@ -4807,14 +4837,14 @@ NGFFORM
         $communityform = &create_form_ul(&create_list_elements(@communityforma));
 
 my %orderhash = (
-                'aa' => ['Import Content',$fileuploadform],
-                'bb' => ['Published Content',$importpubform],
-                'cc' => ['Grading Resources',$gradingform],
+                'aa' => ['Upload',$fileuploadform],
+                'bb' => ['Import',$importpubform],
+                'cc' => ['Grading',$gradingform],
                 );
 unless ($container eq 'page') {
     $orderhash{'00'} = ['Newfolder',$newfolderform];
     $orderhash{'dd'} = ['Collaboration',$communityform];
-    $orderhash{'ee'} = ['Special Pages',$specialdocumentsform];
+    $orderhash{'ee'} = ['Other',$specialdocumentsform];
 }
 
  $hadchanges=0;
@@ -4925,7 +4955,7 @@ SNAMFORM
         $pathitem
         <input type="hidden" name="importdetail" value="$supwebpage" />
         <a class="LC_menubuttons_link" href="javascript:makewebpage('supp');">$lt{'webp'}</a>
-        $help{'Web Page'}
+        $help{'Web_Page'}
         </form>
 SWEBFORM
 
@@ -4948,15 +4978,27 @@ my @supimportdoc = (
 $supupdocform =  &create_form_ul(&create_list_elements(@supimportdoc));
 my %suporderhash = (
 		'00' => ['Supnewfolder', $supnewfolderform],
-                'ee' => ['Import Content',$supupdocform],
-                'ff' => ['Special Pages',&create_form_ul(&create_list_elements(@specialdocs))]
+                'ee' => ['Upload',$supupdocform],
+                'ff' => ['Other',&create_form_ul(&create_list_elements(@specialdocs))]
                 );
         if ($supplementalflag) {
            my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,'',$crstype,
                                $supplementalflag,\%suporderhash,$iconpath,$pathitem);
            if ($error) {
               $r->print('<p><span class="LC_error">'.$error.'</span></p>');
-           }
+           } else {
+               if ($suppchanges) {
+                   my %servers = &Apache::lonnet::internet_dom_servers($coursedom);
+                   my @ids=&Apache::lonnet::current_machine_ids();
+                   foreach my $server (keys(%servers)) {
+                       next if (grep(/^\Q$server\E$/,@ids));
+                       my $hashid=$coursenum.':'.$coursedom;
+                       &Apache::lonnet::remote_devalidate_cache($server,'suppcount',$hashid);
+                   }
+                   &Apache::lonnet::get_numsuppfiles($coursenum,$coursedom,1);
+                   undef($suppchanges);
+               }  
+           } 
         }
     } elsif ($supplementalflag) {
         my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,'',$crstype,
@@ -5366,7 +5408,7 @@ sub editing_js {
         $main_container_page = 1;
     }
     my $toplevelmain = 
-        &escape(&mt('Main '.$crstype.' Content').':::::');
+        &escape(&mt('Main Content').':::::');
     my $toplevelsupp = &supplemental_base();
 
     my $backtourl;