Merge pull request angular-ui#256 from JeffGreat/master

Add possibility to find value according to a property of the model

src/select.js

@@ -952,6 +952,13 @@
                 for (var p = list.length - 1; p >= 0; p--) {
                   locals[$select.parserResult.itemName] = list[p];
                   result = $select.parserResult.modelMapper(scope, locals);
+                  if($select.parserResult.trackByExp){
+                      var matches = /\.(.+)/.exec($select.parserResult.trackByExp);
+                      if(matches.length>0 && result[matches[1]] == value[matches[1]]){
+                          resultMultiple.unshift(list[p]);
+                          return true;
+                      }
+                  }
                   if (result == value){
                     resultMultiple.unshift(list[p]);
                     return true;

test/select.spec.js

@@ -158,6 +158,21 @@ describe('ui-select tests', function() {
 
     expect(getMatchLabel(el)).toEqual('Adam');
   });
+
+  it('should correctly render initial state with track by feature', function() {
+    var el = compileTemplate(
+      '<ui-select ng-model="selection.selected"> \
+        <ui-select-match placeholder="Pick one...">{{$select.selected.name}}</ui-select-match> \
+        <ui-select-choices repeat="person in people | filter: $select.search track by person.name"> \
+          <div ng-bind-html="person.name | highlight: $select.search"></div> \
+          <div ng-bind-html="person.email | highlight: $select.search"></div> \
+        </ui-select-choices> \
+      </ui-select>'
+    );
+    scope.selection.selected =  { name: 'Samantha',  email: 'something different than array source',  group: 'bar', age: 30 };
+    scope.$digest();
+    expect(getMatchLabel(el)).toEqual('Samantha');
+  });
 
   it('should display the choices when activated', function() {
     var el = createUiSelect();