--- loncom/xml/londefdef.pm	2012/02/05 22:53:42	1.437
+++ loncom/xml/londefdef.pm	2014/05/15 20:19:06	1.451
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Tags Default Definition Module 
 #
-# $Id: londefdef.pm,v 1.437 2012/02/05 22:53:42 raeburn Exp $
+# $Id: londefdef.pm,v 1.451 2014/05/15 20:19:06 raeburn Exp $
 # 
 #
 # Copyright Michigan State University Board of Trustees
@@ -55,7 +55,7 @@ use LONCAPA();
 
 BEGIN {
 
-    &Apache::lonxml::register('Apache::londefdef',('a','abbr','acronym','accessrule','address','allow','applet','area','b','base','basefont','bgo','bgsound','big','blink','blockquote','blankspace','body','br','button','caption','center','cite','code','col','colgroup','dd','del','dfn','dir','div','dl','dt','em','embed','externallink','fieldset','font','form','frame','frameset','h1','h2','h3','h4','h5','h6','head','hr','html','i','iframe','img','input','ins','insert','isindex','kbd','keygen','label','layer','legend','li','link','m','map','marquee','menu','meta','multicol','nobr','noembed','noframes','nolayer','noscript','object','ol','optgroup','option','output','p','param','pre','q','s','samp','select','server','small','spacer','span','strike','strong','sub','sup','table','tbody','td','textarea','tfoot','th','thead','title','tr','tt','tthoption','u','ul','var','wbr','hideweboutput'));
+    &Apache::lonxml::register('Apache::londefdef',('a','abbr','acronym','accessrule','address','allow','applet','area','b','base','basefont','bgo','bgsound','big','blink','blockquote','blankspace','body','br','button','caption','center','cite','code','col','colgroup','dd','del','dfn','dir','div','dl','dt','em','embed','externallink','fieldset','font','form','frame','frameset','h1','h2','h3','h4','h5','h6','head','hr','html','i','iframe','img','input','ins','insert','isindex','kbd','keygen','label','layer','legend','li','link','m','map','marquee','menu','meta','multicol','nobr','noembed','noframes','nolayer','noscript','object','ol','optgroup','option','output','p','param','pre','q','s','samp','select','server','small','spacer','span','strike','strong','style','sub','sup','table','tbody','td','textarea','tfoot','th','thead','title','tr','tt','tthoption','u','ul','var','wbr','hideweboutput'));
 
 }
 
@@ -458,6 +458,32 @@ sub insert_meta {
     <meta />';
 }
 
+#-- <start> tag
+sub start_style {
+	my ($target, $token, $tagstack, $parstack, $parser, $safeeval, $style) = @_;
+	my $currentstring = '';
+
+	if ($target eq 'tex') {
+		Apache::lonxml::startredirection();
+	} else {
+		$currentstring = $token->[4];
+	}
+	
+	return $currentstring;
+}
+
+sub end_style {
+	my ($target, $token, $tagstack, $parstack, $parser, $safeeval) = @_;
+	my $currentstring = '';
+
+	if ($target eq 'tex') {
+		Apache::lonxml::endredirection();
+	} else {
+		$currentstring = $token->[2];
+	}
+	return $currentstring;
+}
+
 # accessrule
 sub start_accessrule {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
@@ -546,7 +572,7 @@ sub start_body {
     if ($env{'request.state'} eq 'construct') {
         my $url=&Apache::lonnet::hreflocation('',$env{'request.filename'});
         &Apache::lonhtmlcommon::add_breadcrumb({
-            'text'  => 'Construction Space',
+            'text'  => 'Authoring Space',
             'href'  => &Apache::loncommon::authorspace($url),
         });
         &Apache::lonhtmlcommon::add_breadcrumb({
@@ -559,26 +585,31 @@ sub start_body {
         # FIXME Where are we?
     }
 
+        my $args = {'add_entries'    => $token->[2],
+                    'force_register' => 1,};
+        if ($target eq 'web') {
+            $args->{'print_suppress'} = 1;
+        }
 	$currentstring = 
 	    &Apache::loncommon::start_page($Apache::londefdef::title,
 					   $Apache::londefdef::head
-					      .$extra_head,
-					   {'add_entries'    => $token->[2],
-#					    'no_title'       => 1,
-					    'force_register' => 1});
-
+					      .$extra_head,$args);
         my $header = '';
         if ($env{'request.state'} ne 'published' &&
             $env{'request.state'} ne 'construct') {
             $header=&Apache::lonmenu::constspaceform();
         }
         if ($env{'request.state'} ne 'published') {
-            $header.=&Apache::londefdef::edit_controls();
+            unless ($env{'form.inhibitmenu'} eq 'yes') {
+                $header.=&edit_controls();
+            }
         }
         if ($env{'request.state'} eq 'construct') {
-            $currentstring.=&Apache::loncommon::head_subbox(
-                                &Apache::loncommon::CSTR_pageheader()
-                               .$header);
+            unless ($env{'form.inhibitmenu'} eq 'yes') {
+                $currentstring.=&Apache::loncommon::head_subbox(
+                                    &Apache::loncommon::CSTR_pageheader()
+                                   .$header);
+            }
         } elsif ($env{'request.state'} eq 'edit') {
             $currentstring.=&Apache::loncommon::head_subbox($header);
         }
@@ -605,12 +636,39 @@ sub edit_controls {
     $result .= '
 <div><input type="submit" name="editmode" accesskey="e" value="'.&mt('Edit').'" />';
     if (($env{'request.course.id'}) && ($env{'form.forceedit'})) {
-        my $viewtext = &mt('Course View');
-        if (&Apache::loncommon::course_type() eq 'Community') {
-            $viewtext = &mt('Community View');
+        my $url=&Apache::lonnet::hreflocation('',$env{'request.filename'});
+        if ($url =~ /\.html?$/i) {
+            my ($cdom,$cnum);
+            if ($env{'request.course.id'}) {
+                $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+                $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+                if ($env{'request.filename'} =~ m{/userfiles/supplemental/default|\d+/}) {
+                    if (&Apache::lonnet::is_course_upload($env{'request.filename'},
+                                                          $cnum,$cdom)) {
+                        &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+                                                                ['folderpath','title']);
+                    }
+                }
+            }
+            my ($symb,$itemtitle,$displayfile,$caller);
+            if ($url =~ m{^/uploaded/$cdom/$cnum/portfolio/syllabus/}) {
+                $itemtitle = &mt('Syllabus');
+                $caller = "/public/$cdom/$cnum/syllabus";
+            } else {
+                $caller = $url;
+                ($symb,$itemtitle,$displayfile) =
+                    &Apache::lonxml::get_courseupload_hierarchy($url,
+                                                                $env{'form.folderpath'},
+                                                                $env{'form.title'});
+            }
+            if (($symb ne '') || ($env{'httpref.'.$url} ne '') ||
+                ($url =~ m{^/uploaded/$cdom/$cnum/portfolio/syllabus/})) {
+                  $result .= ('&nbsp;' x 3).
+                             &Apache::lonhtmlcommon::dependencies_button()."\n".
+                             &Apache::lonhtmlcommon::dependencycheck_js($symb,
+                                 $itemtitle,$url,$env{'form.folderpath'},$caller)."\n";
+            }
         }
-        $result .= ('&nbsp;' x 3).'<input type="button" value="'.
-                   $viewtext.'" onclick="javascript:location.href=currentURL" />';
     }
     $result .= '</div>
 </div>
@@ -1671,6 +1729,15 @@ sub start_a {
                     if (!&Apache::lonnet::allowed('bre',$linkurl)) {
                         if (&Apache::lonnet::is_on_map($url)) {
                             &Apache::lonxml::extlink($linkurl);
+                        } elsif ($env{'request.course.id'}) {
+                            my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+                            my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+                            if ($linkurl =~ m{^([^/]|/uploaded/$cdom/$cnum/docs/)}) {
+                                my $cleanhref = &clean_docs_httpref($linkurl,$url,$cdom,$cnum);
+                                if ($cleanhref) {
+                                    &Apache::lonxml::extlink($cleanhref);
+                                }
+                            }
                         }
                     }
                 }
@@ -3517,8 +3584,68 @@ sub start_iframe {
     my ($target,$token) = @_;
     my $currentstring = '';
     if ($target eq 'web' || $target eq 'webgrade') {
-	$currentstring = $token->[4];     
-    } 
+        my ($src,$url,$query);
+        if ($token->[2]->{'src'}) {
+            $src = $token->[2]->{'src'};
+        } elsif ($token->[2]->{'SRC'}) {
+            $src = $token->[2]->{'SRC'};
+        }
+        if ($src) {
+            ($url,$query) = ($src =~ /^([^?]+)\??([^?]*)$/);
+            if ($query =~ /inhibitmenu=yes/) {
+                $currentstring = $token->[4];
+            } else {
+                my $inhibit;
+                if ($url =~ m{^[^/.].*\.x?html?$}) {
+                    $inhibit = 1;
+                } elsif ($url =~ m{^/(uploaded|res)/.*\.x?html?$}) {
+                    $inhibit = 1;
+                }
+                if ($inhibit) {
+                    $currentstring = '<iframe ';
+                    foreach my $attrib (@{$token->[3]}) {
+                        if (lc($attrib) eq 'src') {
+                            if ($query) {
+                                $query.='&amp;inhibitmenu=yes';
+                            } else {
+                                $query = 'inhibitmenu=yes';
+                            } 
+                            $currentstring .= 'src="'.$url.'?'.$query.'" ';
+                        } else {
+                            $currentstring .= lc($attrib).'="'.$token->[2]->{$attrib}.'" ';
+                        }
+                    }
+                    $currentstring =~ s/\s+$//;
+                    if ($token->[4] =~ m{/>$}) {
+                        $currentstring .= ' />';
+                    } else {
+                        $currentstring .= '>';
+                    }
+                } else {
+                    $currentstring = $token->[4];
+                }
+            }
+            if (($url !~ m{^https?://}) && ($env{'request.course.id'})) {
+                my $docuri = &Apache::lonnet::hreflocation('',$env{'request.filename'});
+                my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+                my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+                if ($url =~ m{^([^/]|/uploaded/)}) {
+                    my $cleanhref = &clean_docs_httpref($url,$docuri,$cdom,$cnum);
+                    if ($cleanhref) {
+                        &Apache::lonxml::extlink($cleanhref);
+                    }
+                } elsif (($url =~ m{/res/$LONCAPA::domain_re/}) && ($docuri =~ m{^\Q/uploaded/$cdom/$cnum/docs/\E})) {
+                    if (!&Apache::lonnet::allowed('bre',$url)) {
+                        if (&Apache::lonnet::is_on_map($url)) {
+                            &Apache::lonxml::extlink($url);
+                        }
+                    }
+                }
+            }
+        } else {
+            $currentstring = $token->[4];
+        }
+    }
     return $currentstring;
 }
 
@@ -4440,7 +4567,7 @@ sub latex_header {
 	"\\usepackage{xcolor}\n".
 	'\usepackage{calc}'.
 	'\usepackage{amsmath}'.
-    '\usepackage{soul}',
+	'\usepackage{soul}'.
 	'\usepackage{amssymb}'.
 	'\usepackage{amsfonts}'.
 	'\usepackage{amsthm}'.
@@ -4466,6 +4593,62 @@ sub latex_header {
 
 }
 
+sub clean_docs_httpref {
+    my ($href,$docuri,$cdom,$cnum) = @_;
+    if ($docuri eq '') {
+        $docuri = &Apache::lonnet::hreflocation('',$env{'request.filename'});
+    }
+    if ($cdom eq '') {
+        $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+    }
+    if ($cnum eq '') {
+        $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+    }
+    my $cleanhref;
+    if ($docuri =~ m{^(\Q/uploaded/$cdom/$cnum/docs/\E)(.+/)[^/]+$}) {
+        my $prefix = $1;
+        my $relpath = $2;
+        my ($hrefpath,$fname);
+        if ($href =~ m{^/}) {
+            if ($href =~ m{^\Q$prefix\E(.+/)([^/]+)$}) {
+                $hrefpath = $1;
+                $fname = $2;
+            } else {
+                return $cleanhref;
+            }
+        } else {
+            if ($href =~ m{/}) {  
+                (my $path,$fname) = ($href =~ m{^(.*)/([^/]*)$});
+                $hrefpath = $relpath.$path;
+                if ($path eq '') {
+                    $hrefpath =~ s{/$}{};
+                }
+            } else {
+                $fname = $href;
+                $hrefpath = $relpath;
+                $hrefpath =~ s{/$}{};
+            }
+        }
+        if ($fname ne '') {
+            my $cleanrelpath;
+            foreach my $dir (split(/\//,$hrefpath)) {
+                next if ($dir eq '.');
+                if ($dir eq '..') {
+                    $cleanrelpath =~ s{([^/]+/)$}{};
+                } else {
+                    $cleanrelpath .= $dir.'/';
+                }
+            }
+            if ($cleanrelpath ne '') {
+                $cleanhref = $prefix.$cleanrelpath.$fname;
+            } else {
+                $cleanhref = $prefix.$fname;
+            }
+        }
+    }
+    return $cleanhref;
+}
+
 =pod
 
 =head1 NAME
@@ -4560,7 +4743,22 @@ described at http://www.lon-capa.org.
      	   I'm in a table....
      	}
 
-
+=item clean_docs_httpref($href,$docuri,$cdom,$cnum)
+        HTML pages uploaded to a course which contain dependencies either from iframes,
+        javascript files or objects (FlashPlayerSwf, MediaSrc, XMPSrc, ConfigurationSrc,
+        and PosterImageSrc) for which dependency is another file uploaded to the same
+        course.
+
+        Required input: 
+        href - dependency (either a relative URL, or an absolute URL)
+        Optional inputs:
+        docuri - URL of HTML page containing the dependency
+        cdom - Course domain
+        cnum - CourseID
+
+        Output:
+        returns an absolute URL constructed from the href provided, and the calling context.
+        (this will be null, if the URL does not begin: /uploaded/$cdom/$cnum/docs/).
 
 =back