e442fd20f5e8a8770e50d1e18fdc90a30fcafb37
larrym
  Tue Nov 15 10:59:16 2011 -0800
work on #3484; corner-case where user hits enter w/o selecting item from list
diff --git src/hg/js/hgGateway.js src/hg/js/hgGateway.js
index 76d4f76..eb60db7 100644
--- src/hg/js/hgGateway.js
+++ src/hg/js/hgGateway.js
@@ -1,75 +1,77 @@
 var newJQuery = false;       // temporary #define for use while testing jQuery 1.5/jQuery UI 1.8 in dev trees
 
 $(document).ready(function()
 {
     if(document.getElementById("hgt.newJQuery") != null) {
         newJQuery = true;
     }
     if(newJQuery) {
         $('input#suggest').autocomplete({
                                             delay: 500,
                                             minLength: 2,
                                             // XXXX necessary still? autowidth: true,
                                             source: ajaxGet(function () {return document.orgForm.db.value;}, new Object, true),
                                             open: function(event, ui) {
                                                 var pos = $(this).offset().top + $(this).height();
                                                 if (!isNaN(pos)) {
                                                     var maxHeight = $(window).height() - pos - 30;  // take off a little more because IE needs it
                                                     var auto = $('.ui-autocomplete');
                                                     var curHeight = $(auto).children().length * 21;
                                                     if (curHeight > maxHeight)
                                                         $(auto).css({maxHeight: maxHeight+'px',overflow:'scroll'});
                                                     else
                                                         $(auto).css({maxHeight: 'none',overflow:'hidden'});
                                                 }
                                             },
                                             select: function (event, ui) {
                                                 document.mainForm.position.value = ui.item.id;
                                                 makeSureSuggestTrackIsVisible();
                                             }
                                         });
     } else {
         $('input#suggest').autocomplete({
                                             delay: 500,
                                             minchars: 2,
                                             autowidth: true,
                                             ajax_get: ajaxGet(function () {return document.orgForm.db.value;}, new Object, false),
                                                 callback: function (obj) {
                                                 document.mainForm.position.value = obj.id;
                                                 makeSureSuggestTrackIsVisible();
                                             }
                                         });
     }
     // default the image width to current browser window width
     var ele = $('input[name=pix]');
     if(ele.length && (!ele.val() || ele.val().length == 0)) {
         ele.val(calculateHgTracksWidth());
     }
 });
 
 function submitButtonOnClick()
 {
 // onClick handler for the "submit" button.
 // Handles situation where user types a gene name into the gene box and immediately hits the submit button,
 // expecting the browser to jump to that gene.
     var gene = $('#suggest').val();
     var db = $('input[name=db]').val();
     if(gene && gene.length > 0) {
         var pos = lookupGene(db, gene);
-        if(!pos) {
+        if(pos) {
+            makeSureSuggestTrackIsVisible();
+        } else {
             // turn this into a full text search.
             pos = gene;
         }
         $('input[name=position]').val(pos);
     }
     return true;
 }
 
 function makeSureSuggestTrackIsVisible()
 {
 // make sure to show knownGene/refGene track in pack mode (redmine #3484).
     var track = $("#suggestTrack").val();
     if(track) {
         $("<input type='hidden' name='" + track + "'value='pack'>").appendTo($(document.mainForm));
     }
 }