Only show stexaminer button for directed graphs

diff --git a/lib/stemmaweb/Controller/Root.pm b/lib/stemmaweb/Controller/Root.pm
index c50a660..d798cbd 100644 (file)
--- a/lib/stemmaweb/Controller/Root.pm
+++ b/lib/stemmaweb/Controller/Root.pm
@@ -322,7 +322,10 @@ sub textinfo :Local :Args(1) {
        if( $tradition->can('language') ) {
                $textinfo->{'language'} = $tradition->language;
        }
-       my @stemmasvg = map { { name => $_->identifier, svg => $_->as_svg() } } 
+       my @stemmasvg = map { { 
+                       name => $_->identifier, 
+                       directed => _json_bool( !$_->is_undirected ),
+                       svg => $_->as_svg() } } 
                $tradition->stemmata;
        map { $_ =~ s/\n/ /mg } @stemmasvg;
        $textinfo->{stemmata} = \@stemmasvg;
@@ -448,6 +451,7 @@ sub stemma :Local :Args(2) {
                $c->stash->{'result'} = { 
                        'stemmaid' => $stemmaid, 
                        'name' => $stemma->identifier,
+                       'directed' => _json_bool( !$stemma->is_undirected ),
                        'svg' => $stemma_xml };
                $c->forward('View::JSON');
        }
@@ -532,6 +536,10 @@ sub _json_error {
        return 0;
 }
 
+sub _json_bool {
+       return $_[0] ? JSON::true : JSON::false;
+}
+
 =head2 default
 
 Standard 404 error page

diff --git a/root/js/componentload.js b/root/js/componentload.js
index 3bb43a9..aba03fd 100644 (file)
--- a/root/js/componentload.js
+++ b/root/js/componentload.js
@@ -45,12 +45,10 @@ function loadTradition( textid, textname, editable ) {
     // Hide the functionality that is irrelevant
     if( editable ) {
        $('#open_stemma_add').show();
-       $('#open_stemma_edit').show();
        $('#open_textinfo_edit').show();
        $('#relatebutton_label').text('View collation and edit relationships');
     } else {
        $('#open_stemma_add').hide();
-       $('#open_stemma_edit').hide();
        $('#open_textinfo_edit').hide();
        $('#relatebutton_label').text('View collation and relationships');
     }
@@ -62,17 +60,14 @@ function loadTradition( textid, textname, editable ) {
        // Add the scalar data
        selectedTextInfo = textdata;
        load_textinfo();
-       // Add the stemma(ta) and set up the stexaminer button
+       // Add the stemma(ta)
        stemmata = textdata.stemmata;
        if( stemmata.length ) {
                selectedStemmaID = 0;
-                       $('#run_stexaminer').show();
        } else {
                selectedStemmaID = -1;
-                       $('#open_stemma_edit').hide();
-                       $('#run_stexaminer').hide();
                }
-               load_stemma( selectedStemmaID );
+               load_stemma( selectedStemmaID, editable );
        // Set up the relationship mapper button
                $('#run_relater').attr( 'action', _get_url([ "relation", textid ]) );
                // Set up the download button
@@ -113,34 +108,43 @@ function load_textinfo() {
 }      
 
 // Enable / disable the appropriate buttons for paging through the stemma.
-function show_stemmapager () {
+function show_stemmapager ( editable ) {
       $('.pager_left_button').unbind('click').addClass( 'greyed_out' );
       $('.pager_right_button').unbind('click').addClass( 'greyed_out' );
       if( selectedStemmaID > 0 ) {
               $('.pager_left_button').click( function () {
-                      load_stemma( selectedStemmaID - 1 );
+                      load_stemma( selectedStemmaID - 1, editable );
               }).removeClass( 'greyed_out' );
       }       
       if( selectedStemmaID + 1 < stemmata.length ) {
               $('.pager_right_button').click( function () {
-                      load_stemma( selectedStemmaID + 1 );
+                      load_stemma( selectedStemmaID + 1, editable );
               }).removeClass( 'greyed_out' );
       }
 }
 
 // Load a given stemma SVG into the stemmagraph box.
-function load_stemma( idx ) {
+function load_stemma( idx, editable ) {
        // Load the stemma at idx
        selectedStemmaID = idx;
-       show_stemmapager();
+       show_stemmapager( editable );
+       $('#open_stemma_edit').hide();
+       $('#run_stexaminer').hide();
+       $('#stemma_identifier').empty();
        if( idx > -1 ) {
-               // Load the SVG and identifier of the stemma
+               // Load the stemma and its properties
                var stemmadata = stemmata[idx];
-               loadSVG( stemmadata['svg'] );
-               $('#stemma_identifier').empty().text( stemmadata['name'] );
-               // Stexaminer submit action
-               var stexpath = _get_url([ "stexaminer", selectedTextID, idx ]);
-               $('#run_stexaminer').attr( 'action', stexpath );
+               if( editable ) {
+                       $('#open_stemma_edit').show();
+               }
+               if( stemmadata.directed ) {
+                       // Stexaminer submit action
+                       var stexpath = _get_url([ "stexaminer", selectedTextID, idx ]);
+                       $('#run_stexaminer').attr( 'action', stexpath );
+                       $('#run_stexaminer').show();
+               }
+               loadSVG( stemmadata.svg );
+               $('#stemma_identifier').text( stemmadata.name );
         setTimeout( 'start_element_height = $("#stemma_graph .node")[0].getBBox().height;', 500 );
        }
 }
@@ -400,9 +404,7 @@ $(document).ready( function() {
                                        // Stash the answer in the appropriate spot in our stemma array
                                        stemmata[selectedStemmaID] = data;
                                        // Display the new stemma
-                                       load_stemma( selectedStemmaID );
-                                       // Show the edit button, in case this was the first new stemma
-                                       $('#open_stemma_edit').show();
+                                       load_stemma( selectedStemmaID, true );
                                        // Reenable the button and close the form
                                        $(evt.target).button("enable");
                                        $('#stemma-edit-dialog').dialog('close');