public void Clicking_WithShiftModifier_UpDirection_Should_Select_Range_Of_Items()
{
var tree = CreateTestTreeData();
var target = new TreeView
{
Template = CreateTreeViewTemplate(),
Items = tree,
SelectionMode = SelectionMode.Multiple
};
var visualRoot = new TestRoot();
visualRoot.Child = target;
CreateNodeDataTemplate(target);
ApplyTemplates(target);
var rootNode = tree[0];
var from = rootNode.Children.Last();
var to = rootNode.Children[0];
var fromContainer = (TreeViewItem)target.ItemContainerGenerator.Index.ContainerFromItem(from);
var toContainer = (TreeViewItem)target.ItemContainerGenerator.Index.ContainerFromItem(to);
TreeTestHelper.ClickContainer(fromContainer, InputModifiers.None);
Assert.True(fromContainer.IsSelected);
TreeTestHelper.ClickContainer(toContainer, InputModifiers.Shift);
TreeTestHelper.AssertChildrenSelected(target, rootNode);
}
public void Pressing_SelectAll_Gesture_Should_Select_All_Nodes()
{
using (UnitTestApplication.Start())
{
var tree = CreateTestTreeData();
var target = new TreeView
{
Template = CreateTreeViewTemplate(),
Items = tree,
SelectionMode = SelectionMode.Multiple
};
var visualRoot = new TestRoot();
visualRoot.Child = target;
CreateNodeDataTemplate(target);
ApplyTemplates(target);
var rootNode = tree[0];
var keymap = AvaloniaLocator.Current.GetService <PlatformHotkeyConfiguration>();
var selectAllGesture = keymap.SelectAll.First();
var keyEvent = new KeyEventArgs
{
RoutedEvent = InputElement.KeyDownEvent,
Key = selectAllGesture.Key,
Modifiers = selectAllGesture.Modifiers
};
target.RaiseEvent(keyEvent);
TreeTestHelper.AssertChildrenSelected(target, rootNode);
}
}
public void Clicking_First_Item_Of_SelectedItems_Should_Select_Only_It()
{
var tree = CreateTestTreeData();
var target = new TreeView
{
Template = CreateTreeViewTemplate(),
Items = tree,
SelectionMode = SelectionMode.Multiple
};
var visualRoot = new TestRoot();
visualRoot.Child = target;
CreateNodeDataTemplate(target);
ApplyTemplates(target);
var rootNode = tree[0];
var from = rootNode.Children.Last();
var to = rootNode.Children[0];
var fromContainer = (TreeViewItem)target.ItemContainerGenerator.Index.ContainerFromItem(from);
var toContainer = (TreeViewItem)target.ItemContainerGenerator.Index.ContainerFromItem(to);
TreeTestHelper.ClickContainer(fromContainer, InputModifiers.None);
TreeTestHelper.ClickContainer(toContainer, InputModifiers.Shift);
TreeTestHelper.AssertChildrenSelected(target, rootNode);
TreeTestHelper.ClickContainer(fromContainer, InputModifiers.None);
Assert.True(fromContainer.IsSelected);
foreach (var child in rootNode.Children)
{
if (child == from)
{
continue;
}
var container = (TreeViewItem)target.ItemContainerGenerator.Index.ContainerFromItem(child);
Assert.False(container.IsSelected);
}
}
public void Pressing_SelectAll_Gesture_With_Upward_Range_Selected_Should_Select_All_Nodes()
{
using (UnitTestApplication.Start())
{
var tree = CreateTestTreeData();
var target = new TreeView
{
Template = CreateTreeViewTemplate(),
Items = tree,
SelectionMode = SelectionMode.Multiple
};
var visualRoot = new TestRoot();
visualRoot.Child = target;
CreateNodeDataTemplate(target);
ApplyTemplates(target);
var rootNode = tree[0];
var from = rootNode.Children.Last();
var to = rootNode.Children[0];
var fromContainer = (TreeViewItem)target.ItemContainerGenerator.Index.ContainerFromItem(from);
var toContainer = (TreeViewItem)target.ItemContainerGenerator.Index.ContainerFromItem(to);
TreeTestHelper.ClickContainer(fromContainer, InputModifiers.None);
TreeTestHelper.ClickContainer(toContainer, InputModifiers.Shift);
var keymap = AvaloniaLocator.Current.GetService <PlatformHotkeyConfiguration>();
var selectAllGesture = keymap.SelectAll.First();
var keyEvent = new KeyEventArgs
{
RoutedEvent = InputElement.KeyDownEvent,
Key = selectAllGesture.Key,
Modifiers = selectAllGesture.Modifiers
};
target.RaiseEvent(keyEvent);
TreeTestHelper.AssertChildrenSelected(target, rootNode);
}
}
public void Clicking_WithControlModifier_Selected_Item_Should_Deselect_And_Remove_From_SelectedItems()
{
var tree = CreateTestTreeData();
var target = new TreeView
{
Template = CreateTreeViewTemplate(),
Items = tree,
SelectionMode = SelectionMode.Multiple
};
var visualRoot = new TestRoot();
visualRoot.Child = target;
CreateNodeDataTemplate(target);
ApplyTemplates(target);
var rootNode = tree[0];
var item1 = rootNode.Children[0];
var item2 = rootNode.Children.Last();
var item1Container = (TreeViewItem)target.ItemContainerGenerator.Index.ContainerFromItem(item1);
var item2Container = (TreeViewItem)target.ItemContainerGenerator.Index.ContainerFromItem(item2);
TreeTestHelper.ClickContainer(item1Container, InputModifiers.Control);
Assert.True(item1Container.IsSelected);
TreeTestHelper.ClickContainer(item2Container, InputModifiers.Control);
Assert.True(item2Container.IsSelected);
Assert.Equal(new[] { item1, item2 }, target.SelectedItems.OfType <Node>());
TreeTestHelper.ClickContainer(item1Container, InputModifiers.Control);
Assert.False(item1Container.IsSelected);
Assert.DoesNotContain(item1, target.SelectedItems.OfType <Node>());
}