Small fix (null check on stemmagraph load).

diff --git a/stemmaweb/root/js/componentload.js b/stemmaweb/root/js/componentload.js
index 8db28dd..e8003a3 100644 (file)
--- a/stemmaweb/root/js/componentload.js
+++ b/stemmaweb/root/js/componentload.js
@@ -13,9 +13,10 @@ function loadTradition( textid ) {
     // TODO: scale #stemma_grpah both horizontally and vertically
     // TODO: load svgs from SVG.Jquery (to make scaling react in Safari)
        $('#stemma_graph').load( basepath + "/stemma/" + textid , function() {
-       var stemma_svg_element = $('#stemma_graph svg').svg().svg('get').root();
-       console.log( stemma_svg_element );
-       stemma_svg_element.height.baseVal.value = $('#stemma_graph').height();
+           if( $('#stemma_graph svg').size() != 0 ) {
+               var stemma_svg_element = $('#stemma_graph svg').svg().svg('get').root();
+               stemma_svg_element.height.baseVal.value = $('#stemma_graph').height();
+       }
        });
     $('#variant_graph').load( basepath + "/variantgraph/" + textid , function() {
        var variant_svg_element = $('#variant_graph svg').svg().svg('get').root();