public SelectionHandler(IMultiSelector multiSelector)
{
this.multiSelector = multiSelector;
multiSelector.ItemSpecified += MultiSelectorOnItemSpecified;
multiSelector.SelectionCleared += MultiSelectorOnSelectionCleared;
SelectionMode = SelectionMode.Direct;
}
public SelectionHandler(IMultiSelector multiSelector)
{
this.multiSelector = multiSelector;
multiSelector.ItemSpecified += MultiSelectorOnItemSpecified;
multiSelector.NoneSpecified += MultiSelectorOnNoneSpecified;
SelectionMode = SelectionMode.Direct;
}
public void TestVWG_SelectButtonIsEnabledWhenItemIsDeselected()
{
//---------------Set up test pack-------------------
IMultiSelector <TestT> _selector = GetControlFactory().CreateMultiSelector <TestT>();
_selector.AllOptions = CreateListWithTwoOptions();
_selector.AvailableOptionsListBox.SelectedIndex = 0;
//---------------Execute Test ----------------------
_selector.AvailableOptionsListBox.SelectedIndex = -1;
//---------------Test Result -----------------------
Assert.IsTrue(_selector.GetButton(MultiSelectorButton.Select).Enabled);
}
public void TestVWG_DeselectButtonStateAtSet()
{
//---------------Set up test pack-------------------
IMultiSelector <TestT> _selector = GetControlFactory().CreateMultiSelector <TestT>();
List <TestT> options = CreateListWithTwoOptions();
_selector.AllOptions = options;
//---------------Execute Test ----------------------
_selector.SelectedOptions = options;
//---------------Test Result -----------------------
Assert.IsTrue(_selector.GetButton(MultiSelectorButton.Deselect).Enabled);
}
public void Test_Win_SelectButtonStateAtSet()
{
//---------------Set up test pack-------------------
IMultiSelector <TestT> _selector = GetControlFactory().CreateMultiSelector <TestT>();
//---------------Execute Test ----------------------
_selector.AllOptions = CreateListWithTwoOptions();
//---------------Test Result -----------------------
Assert.IsFalse(_selector.GetButton(MultiSelectorButton.Select).Enabled);
//---------------Tear Down -------------------------
}
public void TestCreateMultiSelector()
{
//---------------Set up test pack-------------------
//---------------Execute Test ----------------------
IMultiSelector <object> multiSelector = GetControlFactory().CreateMultiSelector <object>();
//---------------Test Result -----------------------
Assert.IsNotNull(multiSelector);
//---------------Tear Down -------------------------
}
public void TestVWG_ClickSelectButtonWithNoItemSelected()
{
//---------------Set up test pack-------------------
IMultiSelector <TestT> _selector = GetControlFactory().CreateMultiSelector <TestT>();
_selector.AllOptions = CreateListWithTwoOptions();
_selector.AvailableOptionsListBox.SelectedIndex = -1;
//---------------Execute Test ----------------------
_selector.GetButton(MultiSelectorButton.Select).PerformClick();
//---------------Test Result -----------------------
AssertNoneSelected(_selector);
}
public void TestSelectionsMirrorsModelSelections()
{
//---------------Set up test pack-------------------
IMultiSelector <TestT> _selector = GetControlFactory().CreateMultiSelector <TestT>();
_selector.Model.SelectedOptions = CreateListWithTwoOptions();
Assert.AreEqual(_selector.SelectedOptions, _selector.Model.SelectedOptions);
//---------------Execute Test ----------------------
_selector.AllOptions = new List <TestT>();
//---------------Test Result -----------------------
Assert.AreEqual(_selector.SelectedOptions, _selector.Model.SelectedOptions);
//---------------Tear Down -------------------------
}
public void TestSettingBlankOptionsClearsListbox()
{
//---------------Set up test pack-------------------
IMultiSelector <TestT> _selector = GetControlFactory().CreateMultiSelector <TestT>();
_selector.Model.AllOptions = CreateListWithTwoOptions();
//---------------Execute Test ----------------------
_selector.Model.AllOptions = new List <TestT>();
//---------------Test Result -----------------------
Assert.AreEqual(0, _selector.AvailableOptionsListBox.Items.Count);
//---------------Tear Down -------------------------
}
public void TestRemoveOptionRemovesFromListbox()
{
//---------------Set up test pack-------------------
IMultiSelector <TestT> _selector = GetControlFactory().CreateMultiSelector <TestT>();
_selector.AllOptions = CreateListWithTwoOptions();
//---------------Execute Test ----------------------
_selector.Model.RemoveOption(_selector.Model.OptionsView[0]);
//---------------Test Result -----------------------
Assert.AreEqual(1, _selector.AvailableOptionsListBox.Items.Count);
//---------------Tear Down -------------------------
}
public void TestAddingOptionAddsToListbox()
{
//---------------Set up test pack-------------------
IMultiSelector <TestT> _selector = GetControlFactory().CreateMultiSelector <TestT>();
_selector.AllOptions = CreateListWithTwoOptions();
//---------------Execute Test ----------------------
_selector.Model.AddOption(new TestT());
//---------------Test Result -----------------------
Assert.AreEqual(3, _selector.AvailableOptionsListBox.Items.Count);
//---------------Tear Down -------------------------
}
public void Test_Win_SelectButtonStateUponSelection()
{
//---------------Set up test pack-------------------
IMultiSelector <TestT> _selector = GetControlFactory().CreateMultiSelector <TestT>();
_selector.AllOptions = CreateListWithTwoOptions();
//---------------Execute Test ----------------------
_selector.AvailableOptionsListBox.SelectedIndex = 0;
//---------------Test Result -----------------------
Assert.IsTrue(_selector.GetButton(MultiSelectorButton.Select).Enabled);
//---------------Tear Down -------------------------
}
public void TestDeselectAllButton_click()
{
//---------------Set up test pack-------------------
IMultiSelector <TestT> _selector = GetControlFactory().CreateMultiSelector <TestT>();
_selector.AllOptions = CreateListWithTwoOptions();
_selector.Model.SelectAll();
//---------------Execute Test ----------------------
_selector.GetButton(MultiSelectorButton.DeselectAll).PerformClick();
//---------------Test Result -----------------------
AssertNoneSelected(_selector);
//---------------Tear Down -------------------------
}
public void TestSettingOptionsPopulatesModel()
{
//---------------Set up test pack-------------------
IMultiSelector <TestT> _selector = GetControlFactory().CreateMultiSelector <TestT>();
List <TestT> twoOptions = CreateListWithTwoOptions();
//---------------Execute Test ----------------------
_selector.AllOptions = twoOptions;
//---------------Test Result -----------------------
Assert.AreEqual(2, _selector.Model.OptionsView.Count);
//---------------Tear Down -------------------------
}
public void TestDeselectAllUpdatesListboxes()
{
//---------------Set up test pack-------------------
IMultiSelector <TestT> selector = GetControlFactory().CreateMultiSelector <TestT>();
selector.AllOptions = CreateListWithTwoOptions();
selector.Model.SelectAll();
//---------------Execute Test ----------------------
selector.Model.DeselectAll();
//---------------Test Result -----------------------
AssertNoneSelected(selector);
//---------------Tear Down -------------------------
}
public void Test_Win_DeselectButtonIsDisabledWhenItemIsDeselected()
{
//---------------Set up test pack-------------------
IMultiSelector <TestT> _selector = GetControlFactory().CreateMultiSelector <TestT>();
List <TestT> options = CreateListWithTwoOptions();
_selector.AllOptions = options;
_selector.SelectedOptions = options;
_selector.SelectedOptionsListBox.SelectedIndex = 0;
//---------------Execute Test ----------------------
_selector.SelectedOptionsListBox.SelectedIndex = -1;
//---------------Test Result -----------------------
Assert.IsFalse(_selector.GetButton(MultiSelectorButton.Deselect).Enabled);
//---------------Tear Down -------------------------
}
public void TestSelectAllUpdatesListboxes()
{
//---------------Set up test pack-------------------
IMultiSelector <TestT> selector = GetControlFactory().CreateMultiSelector <TestT>();
selector.AllOptions = CreateListWithTwoOptions();
//---------------Execute Test ----------------------
selector.Model.SelectAll();
//---------------Test Result -----------------------
AssertAllSelected(selector);
Assert.AreEqual(selector.SelectedOptionsListBox.Items.Count, selector.SelectionsView.Count);
//---------------Tear Down -------------------------
}
public void Test_SetAllOptions_ToNull_ShouldClearAllOptions()
{
//---------------Set up test pack-------------------
IMultiSelector <TestT> _selector = GetControlFactory().CreateMultiSelector <TestT>();
List <TestT> twoOptions = CreateListWithTwoOptions();
_selector.AllOptions = twoOptions;
//---------------Assert Preconditions -------------
Assert.AreEqual(2, _selector.AvailableOptionsListBox.Items.Count);
//---------------Execute Test ----------------------
_selector.AllOptions = null;
//---------------Test Result -----------------------
Assert.AreEqual(0, _selector.AvailableOptionsListBox.Items.Count);
Assert.AreEqual(0, _selector.SelectedOptionsListBox.Items.Count);
}
private static void SyncSelectedItemsPropertyChanged(DependencyObject element, DependencyPropertyChangedEventArgs e)
{
var selector = element as Selector;
if (selector == null)
{
throw new ArgumentException("The attached property SelectedItems can only be used with a Selector.", nameof(element));
}
TryCleanUpOldItem(selector);
try
{
IMultiSelector multiSelector = TryGetMultiSelector(selector);
if (multiSelector == null)
{
return;
}
IList list = GetSyncSelectedItems(selector);
if (list == null)
{
return;
}
if (multiSelector.SelectedItems.Count > 0)
{
multiSelector.SelectedItems.Clear();
}
foreach (object item in list)
{
multiSelector.SelectedItems.Add(item);
}
var observableList = list as INotifyCollectionChanged;
if (observableList == null)
{
return;
}
multiSelectorWithObservableList.Add(new Tuple <IMultiSelector, INotifyCollectionChanged>(multiSelector, observableList));
CollectionChangedEventManager.AddHandler(observableList, ListCollectionChanged);
}
finally
{
selector.SelectionChanged += SelectorSelectionChanged;
}
}
public void TestSetSelectionsRemovesItemsFromOptionsListbox()
{
//---------------Set up test pack-------------------
IMultiSelector <TestT> _selector = GetControlFactory().CreateMultiSelector <TestT>();
List <TestT> twoOptions = CreateListWithTwoOptions();
_selector.AllOptions = twoOptions;
//---------------Execute Test ----------------------
_selector.SelectedOptions = twoOptions;
//---------------Test Result -----------------------
Assert.AreEqual(0, _selector.AvailableOptionsListBox.Items.Count);
//---------------Tear Down -------------------------
}
public void TestDeselectButtonUpdatesListboxes_Click()
{
//---------------Set up test pack-------------------
IMultiSelector <TestT> _selector = GetControlFactory().CreateMultiSelector <TestT>();
_selector.AllOptions = CreateListWithTwoOptions();
_selector.Model.Select(_selector.Model.OptionsView[0]);
_selector.SelectedOptionsListBox.SelectedIndex = 0;
//---------------Execute Test ----------------------
_selector.GetButton(MultiSelectorButton.Deselect).PerformClick();
//---------------Test Result -----------------------
AssertNoneSelected(_selector);
//---------------Tear Down -------------------------
}
public void Test_DoubleClickingHandlersAssigned()
{
//---------------Set up test pack-------------------
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
IMultiSelector <TestT> _selector = GetControlFactory().CreateMultiSelector <TestT>();
//---------------Test Result -----------------------
Assert.AreEqual(1, TestUtil.CountEventSubscribers(_selector.AvailableOptionsListBox, "DoubleClick"));
Assert.AreEqual(1, TestUtil.CountEventSubscribers(_selector.SelectedOptionsListBox, "DoubleClick"));
Assert.IsTrue(TestUtil.EventHasSubscriber(_selector.AvailableOptionsListBox, "DoubleClick", "DoSelect"));
Assert.IsTrue(TestUtil.EventHasSubscriber(_selector.SelectedOptionsListBox, "DoubleClick", "DoDeselect"));
}
protected virtual void OnSelectorChanged(IMultiSelector oldValue, IMultiSelector newValue)
{
if (oldValue != null)
{
oldValue.SelectionChanged -= OnSelectorSelectionChanged;
(oldValue.Items as INotifyCollectionChanged).CollectionChanged -= OnItemsChanged;
}
if (newValue != null)
{
newValue.SelectionChanged += OnSelectorSelectionChanged;
(newValue.Items as INotifyCollectionChanged).CollectionChanged += OnItemsChanged;
}
IsEnabled = Selector != null && Selector.Items.Count > 0;
}
public void TestSetEmptySelectionsRepopulatesOptionsAndSelections()
{
//---------------Set up test pack-------------------
IMultiSelector <TestT> _selector = GetControlFactory().CreateMultiSelector <TestT>();
List <TestT> twoOptions = CreateListWithTwoOptions();
_selector.AllOptions = twoOptions;
_selector.SelectedOptions = twoOptions;
//---------------Execute Test ----------------------
_selector.SelectedOptions = new List <TestT>();
//---------------Test Result -----------------------
AssertNoneSelected(_selector);
//---------------Tear Down -------------------------
}
public virtual void TestDeselectingMultipleItemsAtOnce_Click()
{
//---------------Set up test pack-------------------
IMultiSelector <TestT> _selector = GetControlFactory().CreateMultiSelector <TestT>();
List <TestT> options = CreateListWithTwoOptions();
_selector.AllOptions = options;
_selector.Model.SelectAll();
_selector.SelectedOptionsListBox.SelectedItems.Add(options[0]);
_selector.SelectedOptionsListBox.SelectedItems.Add(options[1]);
//---------------Execute Test ----------------------
_selector.GetButton(MultiSelectorButton.Deselect).PerformClick();
//---------------Test Result -----------------------
AssertNoneSelected(_selector);
//---------------Tear Down -------------------------
}
public void TestSelectButton_Click()
{
//---------------Set up test pack-------------------
IMultiSelector <TestT> _selector = GetControlFactory().CreateMultiSelector <TestT>();
_selector.AllOptions = CreateListWithTwoOptions();
_selector.AvailableOptionsListBox.SelectedIndex = 0;
//---------------Execute Test ----------------------
_selector.GetButton(MultiSelectorButton.Select).PerformClick();
//---------------Test Result -----------------------
Assert.AreEqual(1, _selector.AvailableOptionsListBox.Items.Count);
Assert.AreEqual(1, _selector.SelectedOptionsListBox.Items.Count);
Assert.AreEqual(_selector.SelectedOptionsListBox.Items.Count, _selector.SelectionsView.Count);
//---------------Tear Down -------------------------
}
private static void ListCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (syncListsThatAreUpdating.Contains(sender))
{
return;
}
IMultiSelector multiSelector = multiSelectorWithObservableList.First(x => x.Item2 == sender).Item1;
selectorsThatAreUpdating.Add(multiSelector.Selector);
try
{
if (e.Action == NotifyCollectionChangedAction.Add)
{
foreach (object items in e.NewItems)
{
multiSelector.SelectedItems.Add(items);
}
}
else if (e.Action == NotifyCollectionChangedAction.Remove)
{
foreach (object items in e.OldItems)
{
multiSelector.SelectedItems.Remove(items);
}
}
else if (e.Action == NotifyCollectionChangedAction.Reset)
{
multiSelector.SelectedItems.Clear();
foreach (var item in (IEnumerable)sender)
{
multiSelector.SelectedItems.Add(item);
}
}
else
{
throw new NotSupportedException();
}
}
finally
{
selectorsThatAreUpdating.Remove(multiSelector.Selector);
}
}
public virtual void TestSelectingMultipleItemsAtOnce_Click()
{
//---------------Set up test pack-------------------
IMultiSelector <TestT> _selector = GetControlFactory().CreateMultiSelector <TestT>();
_selector.AllOptions = CreateListWithTwoOptions();
ReadOnlyCollection <TestT> options = _selector.Model.OptionsView;
IListBox availableOptionsListbox = _selector.AvailableOptionsListBox;
availableOptionsListbox.SelectedItems.Add(options[0]);
availableOptionsListbox.SelectedItems.Add(options[1]);
//---------------Execute Test ----------------------
_selector.GetButton(MultiSelectorButton.Select).PerformClick();
//---------------Test Result -----------------------
AssertAllSelected(_selector);
Assert.AreEqual(_selector.SelectedOptionsListBox.Items.Count, _selector.SelectionsView.Count);
//---------------Tear Down -------------------------
}
/// <summary>
/// Constructor for <see cref="MultiSelectorManager{T}"/>
/// </summary>
/// <param name="multiSelector"></param>
public MultiSelectorManager(IMultiSelector <T> multiSelector)
{
_multiSelector = multiSelector;
_model = new MultiSelectorModel <T>();
_model.OptionAdded += ((sender, e) => AvailableOptionsListBox.Items.Add(e.Item));
_model.OptionRemoved += ((sender, e) => AvailableOptionsListBox.Items.Remove(e.Item));
_model.OptionsChanged += delegate { UpdateListBoxes(); };
_model.SelectionsChanged += delegate { UpdateListBoxes(); };
_model.Selected += delegate(object sender, MultiSelectorModel <T> .ModelEventArgs <T> e)
{
AvailableOptionsListBox.Items.Remove(e.Item);
SelectionsListBox.Items.Add(e.Item);
};
_model.Deselected += delegate(object sender, MultiSelectorModel <T> .ModelEventArgs <T> e)
{
AvailableOptionsListBox.Items.Add(e.Item);
SelectionsListBox.Items.Remove(e.Item);
};
IButton selectButton = GetButton(MultiSelectorButton.Select);
selectButton.Click += DoSelect;
IButton deselectButton = GetButton(MultiSelectorButton.Deselect);
deselectButton.Click += DoDeselect;
IButton selectAllButton = GetButton(MultiSelectorButton.SelectAll);
selectAllButton.Click += delegate { _model.SelectAll(); };
IButton deselectAllButton = GetButton(MultiSelectorButton.DeselectAll);
deselectAllButton.Click += delegate { _model.DeselectAll(); };
}
public virtual void TestSelectingIListBoxItemsCollectionEnumerator()
{
//---------------Set up test pack-------------------
IMultiSelector <TestT> _selector = GetControlFactory().CreateMultiSelector <TestT>();
_selector.AllOptions = CreateListWithTwoOptions();
ReadOnlyCollection <TestT> options = _selector.Model.OptionsView;
IListBox availableOptionsListbox = _selector.AvailableOptionsListBox;
availableOptionsListbox.SelectedItems.Add(options[0]);
availableOptionsListbox.SelectedItems.Add(options[1]);
//---------------Execute Test ----------------------
_selector.GetButton(MultiSelectorButton.Select).PerformClick();
//---------------Test Result -----------------------
foreach (object o in _selector.SelectedOptionsListBox.Items)
{
Assert.IsNotNull(o);
}
//---------------Tear Down -------------------------
}
private static void AssertAllSelected(IMultiSelector<TestT> _selector)
{
Assert.AreEqual(0, _selector.AvailableOptionsListBox.Items.Count);
Assert.AreEqual(2, _selector.SelectedOptionsListBox.Items.Count);
}
private static void AssertAllSelected(IMultiSelector <TestT> _selector)
{
Assert.AreEqual(0, _selector.AvailableOptionsListBox.Items.Count);
Assert.AreEqual(2, _selector.SelectedOptionsListBox.Items.Count);
}
