public void DataContexts_Should_Be_Correctly_Set() { var items = new object[] { "Foo", new Item("Bar"), new TextBlock { Text = "Baz" }, new ListBoxItem { Content = "Qux" }, }; var target = new ListBox { Template = new FuncControlTemplate(CreateListBoxTemplate), DataContext = "Base", DataTemplates = new DataTemplates { new FuncDataTemplate<Item>(x => new Button { Content = x }) }, Items = items, }; target.ApplyTemplate(); var dataContexts = target.Presenter.Panel.Children .Cast<Control>() .Select(x => x.DataContext) .ToList(); Assert.Equal( new object[] { items[0], items[1], "Base", "Base" }, dataContexts); }
public void LogicalChildren_Should_Be_Set_For_DataTemplate_Generated_Items() { var target = new ListBox { Template = new FuncControlTemplate(CreateListBoxTemplate), Items = new[] { "Foo", "Bar", "Baz " }, }; target.ApplyTemplate(); Assert.Equal(3, target.GetLogicalChildren().Count()); foreach (var child in target.GetLogicalChildren()) { Assert.IsType<ListBoxItem>(child); } }
public void Focusing_Item_With_Arrow_Key_Should_Select_It() { var target = new ListBox { Template = new ControlTemplate(CreateListBoxTemplate), Items = new[] { "Foo", "Bar", "Baz " }, }; target.ApplyTemplate(); target.Presenter.Panel.Children[0].RaiseEvent(new GotFocusEventArgs { RoutedEvent = InputElement.GotFocusEvent, NavigationMethod = NavigationMethod.Directional, }); Assert.Equal(0, target.SelectedIndex); }
public void Clicking_Item_Should_Select_It() { var target = new ListBox { Template = new ControlTemplate(CreateListBoxTemplate), Items = new[] { "Foo", "Bar", "Baz " }, }; target.ApplyTemplate(); target.Presenter.Panel.Children[0].RaiseEvent(new PointerPressEventArgs { RoutedEvent = InputElement.PointerPressedEvent, MouseButton = MouseButton.Left, }); Assert.Equal(0, target.SelectedIndex); }
public void Ctrl_Selecting_Non_SelectedItem_With_Multiple_Selection_Active_Leaves_SelectedItem_The_Same() { var target = new ListBox { Template = Template(), Items = new[] { "Foo", "Bar", "Baz" }, SelectionMode = SelectionMode.Multiple, }; target.ApplyTemplate(); target.Presenter.ApplyTemplate(); _helper.Click((Interactive)target.Presenter.Panel.Children[1]); _helper.Click((Interactive)target.Presenter.Panel.Children[2], modifiers: InputModifiers.Control); Assert.Equal(1, target.SelectedIndex); Assert.Equal("Bar", target.SelectedItem); _helper.Click((Interactive)target.Presenter.Panel.Children[2], modifiers: InputModifiers.Control); Assert.Equal(1, target.SelectedIndex); Assert.Equal("Bar", target.SelectedItem); }
public void Right_Click_On_SelectedItem_Should_Not_Clear_Existing_Selection() { var target = new ListBox { Template = Template(), Items = new[] { "Foo", "Bar", "Baz" }, ItemTemplate = new FuncDataTemplate <string>(x => new TextBlock { Width = 20, Height = 10 }), SelectionMode = SelectionMode.Multiple, }; target.ApplyTemplate(); target.Presenter.ApplyTemplate(); target.SelectAll(); Assert.Equal(3, target.SelectedItems.Count); _helper.Click((Interactive)target.Presenter.Panel.Children[0], MouseButton.Right); Assert.Equal(3, target.SelectedItems.Count); }
public void ListBoxItem_Containers_Should_Be_Generated() { var items = new[] { "Foo", "Bar", "Baz " }; var target = new ListBox { Template = new FuncControlTemplate(CreateListBoxTemplate), Items = items, }; target.ApplyTemplate(); var text = target.Presenter.Panel.Children .OfType<ListBoxItem>() .Do(x => x.Template = ListBoxItemTemplate()) .Do(x => x.ApplyTemplate()) .Select(x => x.Presenter.Child) .OfType<TextBlock>() .Select(x => x.Text) .ToList(); Assert.Equal(items, text); }
public void Setting_SelectedItem_Should_Set_Panel_Keyboard_Navigation() { var target = new ListBox { Template = new FuncControlTemplate(CreateListBoxTemplate), Items = new[] { "Foo", "Bar", "Baz " }, }; target.ApplyTemplate(); target.Presenter.Panel.Children[1].RaiseEvent(new PointerPressEventArgs { RoutedEvent = InputElement.PointerPressedEvent, MouseButton = MouseButton.Left, }); var panel = target.Presenter.Panel; Assert.Equal( KeyboardNavigation.GetTabOnceActiveElement((InputElement)panel), panel.Children[1]); }
private void Prepare(ListBox target) { // Apply the template to the ListBox itself. target.ApplyTemplate(); // Then to its inner ScrollViewer. var scrollViewer = (ScrollViewer)target.GetVisualChildren().Single(); scrollViewer.ApplyTemplate(); // Then make the ScrollViewer create its child. ((ContentPresenter)scrollViewer.Presenter).UpdateChild(); // Now the ItemsPresenter should be reigstered, so apply its template. target.Presenter.ApplyTemplate(); // Because ListBox items are virtualized we need to do a layout to make them appear. target.Measure(new Size(100, 100)); target.Arrange(new Rect(0, 0, 100, 100)); // Now set and apply the item templates. foreach (ListBoxItem item in target.Presenter.Panel.Children) { item.Template = ListBoxItemTemplate(); item.ApplyTemplate(); item.Presenter.ApplyTemplate(); ((ContentPresenter)item.Presenter).UpdateChild(); } // The items were created before the template was applied, so now we need to go back // and re-arrange everything. foreach (IControl i in target.GetSelfAndVisualDescendents()) { i.InvalidateMeasure(); } target.Arrange(new Rect(0, 0, 100, 100)); }
public void DataContexts_Should_Be_Correctly_Set() { var items = new object[] { "Foo", new Item("Bar"), new TextBlock { Text = "Baz" }, new ListBoxItem { Content = "Qux" }, }; var target = new ListBox { Template = new FuncControlTemplate(CreateListBoxTemplate), DataContext = "Base", DataTemplates = new DataTemplates { new FuncDataTemplate <Item>(x => new Button { Content = x }) }, Items = items, }; target.ApplyTemplate(); var dataContexts = target.Presenter.Panel.Children .Cast <Control>() .Select(x => x.DataContext) .ToList(); Assert.Equal( new object[] { items[0], items[1], "Base", "Base" }, dataContexts); }
public void MultiSelect_ModifySelectedItems() { var lb = new ListBox { SelectionMode = SelectionMode.Multiple }; for (int i = 0; i < 5; i++) { lb.Items.Add(new object()); } CreateAsyncTest(lb, () => lb.ApplyTemplate(), () => { for (int i = 0; i < lb.Items.Count; i++) { var item = lb.Items [i]; lb.SelectedItems.Add(item); var container = (ListBoxItem)lb.ItemContainerGenerator.ContainerFromItem(item); Assert.IsTrue(container.IsSelected, "#1." + i); } } ); }
public void Replacing_Selected_Item_Should_Update_SelectedItem() { var items = new ObservableCollection <string> { "Foo", "Bar", "Baz" }; var target = new ListBox { Template = Template(), Items = items, SelectedIndex = 1, }; target.ApplyTemplate(); target.Presenter.ApplyTemplate(); items[1] = "Qux"; Assert.Equal(-1, target.SelectedIndex); Assert.Null(target.SelectedItem); }
public void Removing_Item_Before_SelectedItem_Should_Update_SelectedIndex() { var items = new ObservableCollection <string> { "Foo", "Bar", "Baz" }; var target = new ListBox { Template = Template(), Items = items, SelectedIndex = 1, }; target.ApplyTemplate(); target.Presenter.ApplyTemplate(); items.RemoveAt(0); Assert.Equal(0, target.SelectedIndex); Assert.Equal("Bar", target.SelectedItem); }
public void Left_Click_On_SelectedItem_Should_Clear_Existing_Selection() { var target = new ListBox { Template = Template(), Items = new[] { "Foo", "Bar", "Baz" }, ItemTemplate = new FuncDataTemplate <string>((x, _) => new TextBlock { Width = 20, Height = 10 }), SelectionMode = SelectionMode.Multiple, }; target.ApplyTemplate(); target.Presenter.ApplyTemplate(); target.SelectAll(); Assert.Equal(3, target.SelectedItems.Count); _helper.Click((Interactive)target.Presenter.Panel.Children[0]); Assert.Equal(1, target.SelectedItems.Count); Assert.Equal(new[] { "Foo", }, target.SelectedItems); Assert.Equal(new[] { 0 }, SelectedContainers(target)); }
public void Replacing_Selected_Item_Should_Update_SelectedItems() { var items = new ObservableCollection <string> { "Foo", "Bar", "Baz" }; var target = new ListBox { Template = Template(), Items = items, SelectionMode = SelectionMode.Multiple, }; target.ApplyTemplate(); target.Presenter.ApplyTemplate(); target.SelectAll(); items[1] = "Qux"; Assert.Equal(new[] { "Foo", "Qux", "Baz" }, target.SelectedItems); }
private void Prepare(ListBox target) { // The ListBox needs to be part of a rooted visual tree. var root = new TestRoot(); root.Child = target; // Apply the template to the ListBox itself. target.ApplyTemplate(); // Then to its inner ScrollViewer. var scrollViewer = (ScrollViewer)target.GetVisualChildren().Single(); scrollViewer.ApplyTemplate(); // Then make the ScrollViewer create its child. ((ContentPresenter)scrollViewer.Presenter).UpdateChild(); // Now the ItemsPresenter should be reigstered, so apply its template. target.Presenter.ApplyTemplate(); // Because ListBox items are virtualized we need to do a layout to make them appear. target.Measure(new Size(100, 100)); target.Arrange(new Rect(0, 0, 100, 100)); // Now set and apply the item templates. foreach (ListBoxItem item in target.Presenter.Panel.Children) { item.Template = ListBoxItemTemplate(); item.ApplyTemplate(); item.Presenter.ApplyTemplate(); ((ContentPresenter)item.Presenter).UpdateChild(); } // The items were created before the template was applied, so now we need to go back // and re-arrange everything. foreach (IControl i in target.GetSelfAndVisualDescendents()) { i.InvalidateMeasure(); } target.Arrange(new Rect(0, 0, 100, 100)); }
private void ApplyTemplate(ListBox target) { // Apply the template to the ListBox itself. target.ApplyTemplate(); // Then to its inner ScrollViewer. var scrollViewer = (ScrollViewer)target.GetVisualChildren().Single(); scrollViewer.ApplyTemplate(); // Then make the ScrollViewer create its child. ((ContentPresenter)scrollViewer.Presenter).UpdateChild(); // Now the ItemsPresenter should be reigstered, so apply its template. target.Presenter.ApplyTemplate(); }
public void Nested_ListBox_Does_Not_Change_Parent_SelectedIndex() { SelectingItemsControl nested; var root = new SelectingItemsControl { Template = Template(), Items = new IControl[] { new Border(), nested = new ListBox { Template = Template(), Items = new[] { "foo", "bar" }, SelectedIndex = 1, } }, SelectedIndex = 0, }; root.ApplyTemplate(); root.Presenter.ApplyTemplate(); nested.ApplyTemplate(); nested.Presenter.ApplyTemplate(); Assert.Equal(0, root.SelectedIndex); Assert.Equal(1, nested.SelectedIndex); nested.SelectedIndex = 0; Assert.Equal(0, root.SelectedIndex); }
public void Removing_SelectedItem_Should_Clear_TabOnceActiveElement() { var items = new ObservableCollection<string>(new[] { "Foo", "Bar", "Baz " }); var target = new ListBox { Template = Template(), Items = items, }; target.ApplyTemplate(); target.Presenter.ApplyTemplate(); target.Presenter.Panel.Children[1].RaiseEvent(new PointerPressedEventArgs { RoutedEvent = InputElement.PointerPressedEvent, MouseButton = MouseButton.Left, }); items.RemoveAt(1); var panel = target.Presenter.Panel; Assert.Null(KeyboardNavigation.GetTabOnceActiveElement((InputElement)panel)); }
public void Setting_Item_IsSelected_Sets_ListBox_Selection() { var target = new ListBox { Template = new ControlTemplate(CreateListBoxTemplate), Items = new[] { "Foo", "Bar", "Baz " }, }; target.ApplyTemplate(); ((ListBoxItem)target.GetLogicalChildren().ElementAt(1)).IsSelected = true; Assert.Equal("Bar", target.SelectedItem); Assert.Equal(1, target.SelectedIndex); }
public void Clicking_Selected_Item_Should_Not_Deselect_It_When_SelectionMode_ToggleAlwaysSelected() { var target = new ListBox { Template = new ControlTemplate(CreateListBoxTemplate), Items = new[] { "Foo", "Bar", "Baz " }, SelectionMode = SelectionMode.Toggle | SelectionMode.AlwaysSelected, }; target.ApplyTemplate(); target.SelectedIndex = 0; target.Presenter.Panel.Children[0].RaiseEvent(new PointerPressEventArgs { RoutedEvent = InputElement.PointerPressedEvent, MouseButton = MouseButton.Left, }); Assert.Equal(0, target.SelectedIndex); }