fixing the wollowing two bugs:

- angular-ui#241
- angular-ui#589

Author: bereczdenes

src/bootstrap/select.tpl.html

@@ -8,6 +8,7 @@
          class="form-control ui-select-search"
          placeholder="{{$select.placeholder}}"
          ng-model="$select.search"
-         ng-show="$select.searchEnabled && $select.open">
+         ng-show="$select.open"
+         ng-readonly="!$select.searchEnabled">
   <div class="ui-select-choices"></div>
 </div>

src/uiSelectController.js

@@ -511,7 +511,7 @@ uis.controller('uiSelectCtrl',
       _ensureHighlightVisible();
     }
 
-    if (key === KEY.ENTER || key === KEY.ESC) {
+    if (key === KEY.ENTER || key === KEY.ESC || key === KEY.UP || key === KEY.DOWN) {
       e.preventDefault();
       e.stopPropagation();
     }

test/select.spec.js

@@ -1511,16 +1511,16 @@ describe('ui-select tests', function() {
 
     describe('bootstrap theme', function() {
 
-      it('should show search input when true', function() {
+      it('should not be readonly search input when true', function() {
         setupSelectComponent('true', 'bootstrap');
         clickMatch(el);
-        expect($(el).find('.ui-select-search')).not.toHaveClass('ng-hide');
+        expect($(el).find('.ui-select-search').attr('readonly')).toBeUndefined();
       });
 
-      it('should hide search input when false', function() {
+      it('should be readonly search input when false', function() {
         setupSelectComponent('false', 'bootstrap');
         clickMatch(el);
-        expect($(el).find('.ui-select-search')).toHaveClass('ng-hide');
+        expect($(el).find('.ui-select-search').attr('readonly')).toEqual('readonly');
       });
 
     });