From f15160127bfa9f3031fa1b1acceedd95c9e8004b Mon Sep 17 00:00:00 2001
From: Bob <lordfriend@outlook.com>
Date: Fri, 4 Jul 2014 21:58:45 +0800
Subject: [PATCH] fixed #9 Besides that, all bootstrap-select options is
 watched.

---
 src/nya-bootstrap-select.js               | 22 ++++++++++
 test/helpers.js                           |  6 +++
 test/spec/nya-bootstrap-select-special.js | 50 +++++++++++++++++++++++
 3 files changed, 78 insertions(+)
 create mode 100644 test/spec/nya-bootstrap-select-special.js

diff --git a/src/nya-bootstrap-select.js b/src/nya-bootstrap-select.js
index a0e92a6..e1715d2 100644
--- a/src/nya-bootstrap-select.js
+++ b/src/nya-bootstrap-select.js
@@ -30,6 +30,24 @@ angular.module('nya.bootstrap.select',[])
         // prevent selectDirective render an unknownOption.
         selectCtrl.renderUnknownOption = angular.noop;
         var optionArray = [];
+
+        // store data- attribute options of select
+        var selectorOptions = {};
+        var BS_ATTR = ['container', 'countSelectedText', 'dropupAuto', 'header', 'hideDisabled', 'selectedTextFormat', 'size', 'showSubtext', 'showIcon', 'showContent', 'style', 'title', 'width', 'disabled'];
+
+        var checkSelectorOptionsEquality = function() {
+          var isEqual = true;
+          angular.forEach(BS_ATTR, function(attr) {
+            isEqual = isEqual && attrs[attr] === selectorOptions[attr];
+          });
+        };
+
+        var updateSelectorOptions = function() {
+          angular.forEach(BS_ATTR, function(attr) {
+            selectorOptions[attr] = attrs[attr];
+          });
+        };
+
         /**
          * Check option data attributes, text and value equality.
          * @param opt the option dom element
@@ -88,6 +106,10 @@ angular.module('nya.bootstrap.select',[])
             if(hasChanged) {
               buildSelector();
             }
+            if(!checkSelectorOptionsEquality()) {
+              updateSelectorOptions();
+              $(element).selectpicker('refresh');
+            }
             optionArray = makeOptionArray(optionElements);
           }
 
diff --git a/test/helpers.js b/test/helpers.js
index c453b12..d84d580 100644
--- a/test/helpers.js
+++ b/test/helpers.js
@@ -8,6 +8,12 @@ beforeEach(function() {
       };
 
       return this.actual.hasClass(cls);
+    },
+    toHaveAttribute: function(cls) {
+      this.message = function() {
+        return "Expected '" + angular.mock.dump(this.actual) + "' to have attribute '" + cls + "'.";
+      };
+      return this.actual.is('['+cls+']');
     }
   });
 });
diff --git a/test/spec/nya-bootstrap-select-special.js b/test/spec/nya-bootstrap-select-special.js
new file mode 100644
index 0000000..c1b6e5b
--- /dev/null
+++ b/test/spec/nya-bootstrap-select-special.js
@@ -0,0 +1,50 @@
+'use strict';
+
+/**
+ * Test for special scenario
+ */
+
+describe('test for some special scenario', function() {
+  var $scope, $compile, rootElement;
+
+  var options = ['Alpha', 'Bravo', 'Charlie', 'Delta',
+    'Echo', 'Foxtrot', 'Golf', 'Hotel', 'Juliet', 'Kilo', 'Lima',
+    'Mike', 'November', 'Oscar', 'Papa', 'Quebec', 'Romeo', 'Sierra',
+    'Tango', 'Uniform', 'Victor', 'Whiskey', 'X-ray', 'Yankee', 'Zulu'
+  ];
+
+  // load the nyaBootstrapSelect module
+  beforeEach(module('nya.bootstrap.select'));
+
+  beforeEach(inject(function(_$rootScope_, _$compile_){
+    $scope = _$rootScope_.$new();
+    $compile = _$compile_;
+  }));
+
+  it('should refresh selector when some attribute changed', function() {
+    $scope.options = options;
+    $scope.enableSelector = true;
+    $scope.$digest();
+
+    rootElement = $compile('<div class="select-container">' +
+        '<select class="nya-selectpicker" ng-model="myModel" ng-disabled="!enableSelector">' +
+          '<option ng-repeat="option in options" value="{{option}}">{{option}}</option>' +
+        '</select>' +
+      '</div>')($scope);
+
+    $scope.$digest();
+
+    var selectElement = rootElement.children('.nya-selectpicker');
+    var selectButton = selectElement.next().children('.dropdown-toggle');
+
+    expect(selectElement).not.toHaveAttribute('disabled');
+    expect(selectButton).not.toHaveClass('disabled');
+
+    $scope.enableSelector = false;
+
+    $scope.$digest();
+
+    expect(selectElement).toHaveAttribute('disabled');
+    expect(selectButton).toHaveClass('disabled');
+  });
+});
\ No newline at end of file