Don't trigger on focus if already visible and on blur if nothing changed

Author: ruhley

examples/app.js

@@ -12,6 +12,6 @@ angular
         });
 
         $scope.onColorChange = function($event, color) {
-            console.log($event, color);
+            console.log($event, color, $scope.color);
         }
     });

lib/scripts/directive.js

@@ -143,8 +143,10 @@
                 };
 
                 $scope.onBlur = function() {
-                    $scope.updateModel = true;
-                    $scope.update();
+                    if ($scope.ngModel !== $scope.onChangeValue) {
+                        $scope.updateModel = true;
+                        $scope.update();
+                    }
                 };
 
                 $scope.initConfig = function() {
@@ -171,6 +173,11 @@
                 };
 
                 $scope.show = function () {
+                    // if already visible then don't run show again
+                    if ($scope.visible) {
+                        return true;
+                    }
+
                     $scope.log('Color Picker: Show Event');
                     $scope.visible = true;
                     $scope.hueMouse = false;