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@@ -1,1475 +1,1441 @@
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-////using System;
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-////using System.Collections;
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-////using System.Collections.Generic;
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-////using System.Collections.ObjectModel;
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-////using System.ComponentModel;
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-////using System.Linq;
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-////using System.Runtime.CompilerServices;
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-////using Avalonia.Collections;
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-////using Avalonia.Controls.Generators;
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-////using Avalonia.Controls.Presenters;
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-////using Avalonia.Controls.Templates;
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-////using Avalonia.Data;
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-////using Avalonia.Data.Core;
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-////using Avalonia.Input;
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-////using Avalonia.Input.Platform;
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-////using Avalonia.Interactivity;
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-////using Avalonia.LogicalTree;
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-////using Avalonia.Styling;
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-////using Avalonia.UnitTests;
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-////using JetBrains.Annotations;
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-////using Moq;
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-////using Xunit;
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-
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-////namespace Avalonia.Controls.UnitTests
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-////{
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-//// public class TreeViewTests
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-//// {
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-//// MouseTestHelper _mouse = new MouseTestHelper();
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-
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-//// [Fact]
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-//// public void Items_Should_Be_Created()
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-//// {
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-//// var target = new TreeView
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-//// {
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-//// Template = CreateTreeViewTemplate(),
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-//// Items = CreateTestTreeData(),
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-//// };
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-
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-//// var root = new TestRoot(target);
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-
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-//// CreateNodeDataTemplate(target);
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-//// ApplyTemplates(target);
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-
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-//// Assert.Equal(new[] { "Root" }, ExtractItemHeader(target, 0));
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-//// Assert.Equal(new[] { "Child1", "Child2", "Child3" }, ExtractItemHeader(target, 1));
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-//// Assert.Equal(new[] { "Grandchild2a" }, ExtractItemHeader(target, 2));
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-//// }
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-
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-//// [Fact]
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-//// public void Items_Should_Be_Created_Using_ItemTemplate_If_Present()
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-//// {
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-//// TreeView target;
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-
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-//// var root = new TestRoot
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-//// {
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-//// Child = target = new TreeView
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-//// {
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-//// Template = CreateTreeViewTemplate(),
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-//// Items = CreateTestTreeData(),
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-//// ItemTemplate = new FuncTreeDataTemplate<Node>(
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-//// (_, __) => new Canvas(),
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-//// x => x.Children),
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-//// }
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-//// };
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-
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-//// ApplyTemplates(target);
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-
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-//// var items = target.ItemContainerGenerator.Index.Containers
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-//// .OfType<TreeViewItem>()
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-//// .ToList();
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-
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-//// Assert.Equal(5, items.Count);
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-//// Assert.All(items, x => Assert.IsType<Canvas>(x.HeaderPresenter.Child));
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-//// }
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-
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-//// [Fact]
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-//// public void Items_Should_Be_Created_Using_ItemConatinerTheme_If_Present()
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-//// {
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-//// TreeView target;
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-//// var theme = new ControlTheme(typeof(TreeViewItem));
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-
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-//// var root = new TestRoot
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-//// {
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-//// Child = target = new TreeView
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-//// {
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-//// Template = CreateTreeViewTemplate(),
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-//// Items = CreateTestTreeData(),
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-//// ItemContainerTheme = theme,
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-//// ItemTemplate = new FuncTreeDataTemplate<Node>(
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-//// (_, __) => new Canvas(),
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-//// x => x.Children),
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-//// }
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-//// };
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-
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-//// ApplyTemplates(target);
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-
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-//// var items = target.ItemContainerGenerator.Index.Containers
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-//// .OfType<TreeViewItem>()
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-//// .ToList();
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-
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-//// Assert.Equal(5, items.Count);
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-//// Assert.All(items, x => Assert.Same(theme, x.ItemContainerTheme));
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-//// }
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-
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-//// [Fact]
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-//// public void Root_ItemContainerGenerator_Containers_Should_Be_Root_Containers()
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-//// {
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-//// var target = new TreeView
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-//// {
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-//// Template = CreateTreeViewTemplate(),
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-//// Items = CreateTestTreeData(),
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-//// };
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-
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-//// var root = new TestRoot(target);
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-
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-//// CreateNodeDataTemplate(target);
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-//// ApplyTemplates(target);
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-
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-//// var container = (TreeViewItem)target.ItemContainerGenerator.Containers.Single().ContainerControl;
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-//// var header = (TextBlock)container.Header;
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-//// Assert.Equal("Root", header.Text);
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-//// }
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-
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-//// [Fact]
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-//// public void Root_TreeContainerFromItem_Should_Return_Descendant_Item()
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-//// {
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-//// var tree = CreateTestTreeData();
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-//// var target = new TreeView
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-//// {
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-//// Template = CreateTreeViewTemplate(),
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-//// Items = tree,
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-//// };
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-
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-//// // For TreeViewItem to find its parent TreeView, OnAttachedToLogicalTree needs
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-//// // to be called, which requires an IStyleRoot.
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-//// var root = new TestRoot();
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-//// root.Child = target;
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-
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-//// CreateNodeDataTemplate(target);
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-//// ApplyTemplates(target);
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-
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-//// var container = target.ItemContainerGenerator.Index.ContainerFromItem(
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-//// tree[0].Children[1].Children[0]);
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-
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-//// Assert.NotNull(container);
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-
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-//// var header = ((TreeViewItem)container).Header;
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-//// var headerContent = ((TextBlock)header).Text;
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-
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-//// Assert.Equal("Grandchild2a", headerContent);
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-//// }
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-
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-//// [Fact]
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-//// public void Clicking_Item_Should_Select_It()
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-//// {
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-//// using (Application())
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-//// {
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-//// var tree = CreateTestTreeData();
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-//// var target = new TreeView
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-//// {
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-//// Template = CreateTreeViewTemplate(),
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-//// Items = tree,
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-//// };
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-
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-//// var visualRoot = new TestRoot();
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-//// visualRoot.Child = target;
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-
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-//// CreateNodeDataTemplate(target);
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-//// ApplyTemplates(target);
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-//// ExpandAll(target);
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-
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-//// var item = tree[0].Children[1].Children[0];
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-//// var container = (TreeViewItem)target.ItemContainerGenerator.Index.ContainerFromItem(item);
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-
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-//// Assert.NotNull(container);
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-
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-//// _mouse.Click(container);
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-
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-//// Assert.Equal(item, target.SelectedItem);
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-//// Assert.True(container.IsSelected);
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-//// }
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-//// }
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-
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-//// [Fact]
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-//// public void Clicking_WithControlModifier_Selected_Item_Should_Deselect_It()
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-//// {
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-//// using (Application())
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-//// {
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-//// var tree = CreateTestTreeData();
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-//// var target = new TreeView
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-//// {
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-//// Template = CreateTreeViewTemplate(),
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-//// Items = tree
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-//// };
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-
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-//// var visualRoot = new TestRoot();
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-//// visualRoot.Child = target;
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-
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-//// CreateNodeDataTemplate(target);
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-//// ApplyTemplates(target);
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-//// ExpandAll(target);
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-
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-//// var item = tree[0].Children[1].Children[0];
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-//// var container = (TreeViewItem)target.ItemContainerGenerator.Index.ContainerFromItem(item);
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-
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-//// Assert.NotNull(container);
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-
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-//// target.SelectedItem = item;
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-
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-//// Assert.True(container.IsSelected);
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-
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-//// _mouse.Click(container, modifiers: KeyModifiers.Control);
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-
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-//// Assert.Null(target.SelectedItem);
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-//// Assert.False(container.IsSelected);
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-//// }
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-//// }
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-
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-//// [Fact]
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-//// public void Clicking_WithControlModifier_Not_Selected_Item_Should_Select_It()
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-//// {
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-//// using (Application())
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-//// {
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-//// var tree = CreateTestTreeData();
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-//// var target = new TreeView
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-//// {
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-//// Template = CreateTreeViewTemplate(),
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-//// Items = tree
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-//// };
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+using System;
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+using System.Collections;
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+using System.Collections.Generic;
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+using System.Collections.ObjectModel;
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+using System.ComponentModel;
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+using System.Linq;
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+using Avalonia.Collections;
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+using Avalonia.Controls.Generators;
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+using Avalonia.Controls.Presenters;
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+using Avalonia.Controls.Templates;
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+using Avalonia.Data;
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+using Avalonia.Data.Core;
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+using Avalonia.Input;
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+using Avalonia.Input.Platform;
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+using Avalonia.Interactivity;
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+using Avalonia.LogicalTree;
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+using Avalonia.Styling;
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+using Avalonia.UnitTests;
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+using Moq;
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+using Xunit;
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+
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+namespace Avalonia.Controls.UnitTests
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+{
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+ public class TreeViewTests
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+ {
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+ MouseTestHelper _mouse = new MouseTestHelper();
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+
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+ [Fact]
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+ public void Items_Should_Be_Created()
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+ {
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+ var target = new TreeView
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+ {
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+ Template = CreateTreeViewTemplate(),
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+ Items = CreateTestTreeData(),
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+ };
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+
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+ var root = new TestRoot(target);
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+
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+ CreateNodeDataTemplate(target);
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+ ApplyTemplates(target);
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+
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+ Assert.Equal(new[] { "Root" }, ExtractItemHeader(target, 0));
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+ Assert.Equal(new[] { "Child1", "Child2", "Child3" }, ExtractItemHeader(target, 1));
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+ Assert.Equal(new[] { "Grandchild2a" }, ExtractItemHeader(target, 2));
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+ }
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+
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+ [Fact]
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+ public void Items_Should_Be_Created_Using_ItemTemplate_If_Present()
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+ {
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+ TreeView target;
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+
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+ var root = new TestRoot
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+ {
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+ Child = target = new TreeView
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+ {
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+ Template = CreateTreeViewTemplate(),
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+ Items = CreateTestTreeData(),
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+ ItemTemplate = new FuncTreeDataTemplate<Node>(
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+ (_, __) => new Canvas(),
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+ x => x.Children),
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+ }
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+ };
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+
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+ ApplyTemplates(target);
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+
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+ var items = target.GetRealizedTreeContainers()
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+ .OfType<TreeViewItem>()
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+ .ToList();
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+
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+ Assert.Equal(5, items.Count);
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+ Assert.All(items, x => Assert.IsType<Canvas>(x.HeaderPresenter.Child));
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+ }
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+
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+ [Fact]
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+ public void Items_Should_Be_Created_Using_ItemConatinerTheme_If_Present()
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+ {
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+ TreeView target;
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+ var theme = new ControlTheme(typeof(TreeViewItem));
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+
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+ var root = new TestRoot
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+ {
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+ Child = target = new TreeView
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+ {
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+ Template = CreateTreeViewTemplate(),
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+ Items = CreateTestTreeData(),
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+ ItemContainerTheme = theme,
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+ ItemTemplate = new FuncTreeDataTemplate<Node>(
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+ (_, __) => new Canvas(),
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+ x => x.Children),
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+ }
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+ };
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+
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+ ApplyTemplates(target);
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+
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+ var items = target.GetRealizedTreeContainers()
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+ .OfType<TreeViewItem>()
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+ .ToList();
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+
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+ Assert.Equal(5, items.Count);
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+ Assert.All(items, x => Assert.Same(theme, x.ItemContainerTheme));
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+ }
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+
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+ [Fact]
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+ public void Root_ItemContainerGenerator_Containers_Should_Be_Root_Containers()
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+ {
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+ var target = new TreeView
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+ {
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+ Template = CreateTreeViewTemplate(),
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+ Items = CreateTestTreeData(),
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+ };
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+
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+ var root = new TestRoot(target);
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+
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+ CreateNodeDataTemplate(target);
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+ ApplyTemplates(target);
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+
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+ var container = (TreeViewItem)target.GetRealizedContainers().Single();
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+ var header = (TextBlock)container.HeaderPresenter.Child;
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+ Assert.Equal("Root", header.Text);
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+ }
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+
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+ [Fact]
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+ public void Root_TreeContainerFromItem_Should_Return_Descendant_Item()
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+ {
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+ var tree = CreateTestTreeData();
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+ var target = new TreeView
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+ {
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+ Template = CreateTreeViewTemplate(),
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+ Items = tree,
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+ };
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+
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+ // For TreeViewItem to find its parent TreeView, OnAttachedToLogicalTree needs
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+ // to be called, which requires an IStyleRoot.
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+ var root = new TestRoot();
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+ root.Child = target;
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+
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+ CreateNodeDataTemplate(target);
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+ ApplyTemplates(target);
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+
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+ var container = target.TreeContainerFromItem(tree[0].Children[1].Children[0]);
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+
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+ Assert.NotNull(container);
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+
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+ var header = ((TreeViewItem)container).HeaderPresenter;
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+ var headerContent = ((TextBlock)header.Child).Text;
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+
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+ Assert.Equal("Grandchild2a", headerContent);
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+ }
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+
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+ [Fact]
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+ public void Clicking_Item_Should_Select_It()
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+ {
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+ using (Application())
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+ {
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+ var tree = CreateTestTreeData();
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+ var target = new TreeView
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+ {
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+ Template = CreateTreeViewTemplate(),
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+ Items = tree,
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+ };
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+
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+ var visualRoot = new TestRoot();
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+ visualRoot.Child = target;
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+
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+ CreateNodeDataTemplate(target);
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+ ApplyTemplates(target);
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+ ExpandAll(target);
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+
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+ var item = tree[0].Children[1].Children[0];
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+ var container = (TreeViewItem)target.TreeContainerFromItem(item);
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+
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+ Assert.NotNull(container);
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+
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+ _mouse.Click(container);
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+
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+ Assert.Equal(item, target.SelectedItem);
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+ Assert.True(container.IsSelected);
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+ }
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+ }
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+
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+ [Fact]
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+ public void Clicking_WithControlModifier_Selected_Item_Should_Deselect_It()
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+ {
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+ using (Application())
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+ {
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+ var tree = CreateTestTreeData();
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+ var target = new TreeView
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+ {
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+ Template = CreateTreeViewTemplate(),
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+ Items = tree
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+ };
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-//// var visualRoot = new TestRoot();
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-//// visualRoot.Child = target;
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+ var visualRoot = new TestRoot();
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+ visualRoot.Child = target;
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+
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+ CreateNodeDataTemplate(target);
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+ ApplyTemplates(target);
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+ ExpandAll(target);
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+
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+ var item = tree[0].Children[1].Children[0];
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+ var container = (TreeViewItem)target.TreeContainerFromItem(item);
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+
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+ Assert.NotNull(container);
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+
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+ target.SelectedItem = item;
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+
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+ Assert.True(container.IsSelected);
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+
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+ _mouse.Click(container, modifiers: KeyModifiers.Control);
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+
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+ Assert.Null(target.SelectedItem);
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+ Assert.False(container.IsSelected);
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+ }
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+ }
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+
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+ [Fact]
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+ public void Clicking_WithControlModifier_Not_Selected_Item_Should_Select_It()
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|
|
+ {
|
|
|
+ using (Application())
|
|
|
+ {
|
|
|
+ var tree = CreateTestTreeData();
|
|
|
+ var target = new TreeView
|
|
|
+ {
|
|
|
+ Template = CreateTreeViewTemplate(),
|
|
|
+ Items = tree
|
|
|
+ };
|
|
|
|
|
|
-//// CreateNodeDataTemplate(target);
|
|
|
-//// ApplyTemplates(target);
|
|
|
-//// ExpandAll(target);
|
|
|
+ var visualRoot = new TestRoot();
|
|
|
+ visualRoot.Child = target;
|
|
|
|
|
|
-//// var item1 = tree[0].Children[1].Children[0];
|
|
|
-//// var container1 = (TreeViewItem)target.ItemContainerGenerator.Index.ContainerFromItem(item1);
|
|
|
+ CreateNodeDataTemplate(target);
|
|
|
+ ApplyTemplates(target);
|
|
|
+ ExpandAll(target);
|
|
|
|
|
|
-//// var item2 = tree[0].Children[1];
|
|
|
-//// var container2 = (TreeViewItem)target.ItemContainerGenerator.Index.ContainerFromItem(item2);
|
|
|
+ var item1 = tree[0].Children[1].Children[0];
|
|
|
+ var container1 = (TreeViewItem)target.TreeContainerFromItem(item1);
|
|
|
|
|
|
-//// Assert.NotNull(container1);
|
|
|
-//// Assert.NotNull(container2);
|
|
|
-
|
|
|
-//// target.SelectedItem = item1;
|
|
|
-
|
|
|
-//// Assert.True(container1.IsSelected);
|
|
|
-
|
|
|
-//// _mouse.Click(container2, modifiers: KeyModifiers.Control);
|
|
|
-
|
|
|
-//// Assert.Equal(item2, target.SelectedItem);
|
|
|
-//// Assert.False(container1.IsSelected);
|
|
|
-//// Assert.True(container2.IsSelected);
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-
|
|
|
-//// [Fact]
|
|
|
-//// public void Clicking_WithControlModifier_Selected_Item_Should_Deselect_And_Remove_From_SelectedItems()
|
|
|
-//// {
|
|
|
-//// using (Application())
|
|
|
-//// {
|
|
|
-//// var tree = CreateTestTreeData();
|
|
|
-//// var target = new TreeView
|
|
|
-//// {
|
|
|
-//// Template = CreateTreeViewTemplate(),
|
|
|
-//// Items = tree,
|
|
|
-//// SelectionMode = SelectionMode.Multiple
|
|
|
-//// };
|
|
|
+ var item2 = tree[0].Children[1];
|
|
|
+ var container2 = (TreeViewItem)target.TreeContainerFromItem(item2);
|
|
|
|
|
|
-//// var visualRoot = new TestRoot();
|
|
|
-//// visualRoot.Child = target;
|
|
|
+ Assert.NotNull(container1);
|
|
|
+ Assert.NotNull(container2);
|
|
|
+
|
|
|
+ target.SelectedItem = item1;
|
|
|
+
|
|
|
+ Assert.True(container1.IsSelected);
|
|
|
+
|
|
|
+ _mouse.Click(container2, modifiers: KeyModifiers.Control);
|
|
|
+
|
|
|
+ Assert.Equal(item2, target.SelectedItem);
|
|
|
+ Assert.False(container1.IsSelected);
|
|
|
+ Assert.True(container2.IsSelected);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ [Fact]
|
|
|
+ public void Clicking_WithControlModifier_Selected_Item_Should_Deselect_And_Remove_From_SelectedItems()
|
|
|
+ {
|
|
|
+ using (Application())
|
|
|
+ {
|
|
|
+ var tree = CreateTestTreeData();
|
|
|
+ var target = new TreeView
|
|
|
+ {
|
|
|
+ Template = CreateTreeViewTemplate(),
|
|
|
+ Items = tree,
|
|
|
+ SelectionMode = SelectionMode.Multiple
|
|
|
+ };
|
|
|
|
|
|
-//// CreateNodeDataTemplate(target);
|
|
|
-//// ApplyTemplates(target);
|
|
|
-//// ExpandAll(target);
|
|
|
+ var visualRoot = new TestRoot();
|
|
|
+ visualRoot.Child = 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);
|
|
|
-
|
|
|
-//// ClickContainer(item1Container, KeyModifiers.Control);
|
|
|
-//// Assert.True(item1Container.IsSelected);
|
|
|
-
|
|
|
-//// ClickContainer(item2Container, KeyModifiers.Control);
|
|
|
-//// Assert.True(item2Container.IsSelected);
|
|
|
+ CreateNodeDataTemplate(target);
|
|
|
+ ApplyTemplates(target);
|
|
|
+ ExpandAll(target);
|
|
|
|
|
|
-//// Assert.Equal(new[] { item1, item2 }, target.SelectedItems.OfType<Node>());
|
|
|
+ var rootNode = tree[0];
|
|
|
+
|
|
|
+ var item1 = rootNode.Children[0];
|
|
|
+ var item2 = rootNode.Children.Last();
|
|
|
+
|
|
|
+ var item1Container = (TreeViewItem)target.TreeContainerFromItem(item1);
|
|
|
+ var item2Container = (TreeViewItem)target.TreeContainerFromItem(item2);
|
|
|
+
|
|
|
+ ClickContainer(item1Container, KeyModifiers.Control);
|
|
|
+ Assert.True(item1Container.IsSelected);
|
|
|
+
|
|
|
+ ClickContainer(item2Container, KeyModifiers.Control);
|
|
|
+ Assert.True(item2Container.IsSelected);
|
|
|
|
|
|
-//// ClickContainer(item1Container, KeyModifiers.Control);
|
|
|
-//// Assert.False(item1Container.IsSelected);
|
|
|
+ Assert.Equal(new[] { item1, item2 }, target.SelectedItems.OfType<Node>());
|
|
|
|
|
|
-//// Assert.DoesNotContain(item1, target.SelectedItems.OfType<Node>());
|
|
|
-//// }
|
|
|
-//// }
|
|
|
+ ClickContainer(item1Container, KeyModifiers.Control);
|
|
|
+ Assert.False(item1Container.IsSelected);
|
|
|
|
|
|
-//// [Fact]
|
|
|
-//// public void Clicking_WithShiftModifier_DownDirection_Should_Select_Range_Of_Items()
|
|
|
-//// {
|
|
|
-//// using (Application())
|
|
|
-//// {
|
|
|
-//// var tree = CreateTestTreeData();
|
|
|
-//// var target = new TreeView
|
|
|
-//// {
|
|
|
-//// Template = CreateTreeViewTemplate(),
|
|
|
-//// Items = tree,
|
|
|
-//// SelectionMode = SelectionMode.Multiple
|
|
|
-//// };
|
|
|
+ Assert.DoesNotContain(item1, target.SelectedItems.OfType<Node>());
|
|
|
+ }
|
|
|
+ }
|
|
|
|
|
|
-//// var visualRoot = new TestRoot();
|
|
|
-//// visualRoot.Child = target;
|
|
|
+ [Fact]
|
|
|
+ public void Clicking_WithShiftModifier_DownDirection_Should_Select_Range_Of_Items()
|
|
|
+ {
|
|
|
+ using (Application())
|
|
|
+ {
|
|
|
+ var tree = CreateTestTreeData();
|
|
|
+ var target = new TreeView
|
|
|
+ {
|
|
|
+ Template = CreateTreeViewTemplate(),
|
|
|
+ Items = tree,
|
|
|
+ SelectionMode = SelectionMode.Multiple
|
|
|
+ };
|
|
|
|
|
|
-//// CreateNodeDataTemplate(target);
|
|
|
-//// ApplyTemplates(target);
|
|
|
-//// ExpandAll(target);
|
|
|
+ var visualRoot = new TestRoot();
|
|
|
+ visualRoot.Child = target;
|
|
|
|
|
|
-//// var rootNode = tree[0];
|
|
|
+ CreateNodeDataTemplate(target);
|
|
|
+ ApplyTemplates(target);
|
|
|
+ ExpandAll(target);
|
|
|
|
|
|
-//// var from = rootNode.Children[0];
|
|
|
-//// var to = rootNode.Children.Last();
|
|
|
+ var rootNode = tree[0];
|
|
|
|
|
|
-//// var fromContainer = (TreeViewItem)target.ItemContainerGenerator.Index.ContainerFromItem(from);
|
|
|
-//// var toContainer = (TreeViewItem)target.ItemContainerGenerator.Index.ContainerFromItem(to);
|
|
|
+ var from = rootNode.Children[0];
|
|
|
+ var to = rootNode.Children.Last();
|
|
|
|
|
|
-//// ClickContainer(fromContainer, KeyModifiers.None);
|
|
|
+ var fromContainer = (TreeViewItem)target.TreeContainerFromItem(from);
|
|
|
+ var toContainer = (TreeViewItem)target.TreeContainerFromItem(to);
|
|
|
|
|
|
-//// Assert.True(fromContainer.IsSelected);
|
|
|
+ ClickContainer(fromContainer, KeyModifiers.None);
|
|
|
|
|
|
-//// ClickContainer(toContainer, KeyModifiers.Shift);
|
|
|
-//// AssertChildrenSelected(target, rootNode);
|
|
|
-//// }
|
|
|
-//// }
|
|
|
+ Assert.True(fromContainer.IsSelected);
|
|
|
|
|
|
-//// [Fact]
|
|
|
-//// public void Clicking_WithShiftModifier_UpDirection_Should_Select_Range_Of_Items()
|
|
|
-//// {
|
|
|
-//// using (Application())
|
|
|
-//// {
|
|
|
-//// 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);
|
|
|
-//// ExpandAll(target);
|
|
|
+ ClickContainer(toContainer, KeyModifiers.Shift);
|
|
|
+ AssertChildrenSelected(target, rootNode);
|
|
|
+ }
|
|
|
+ }
|
|
|
|
|
|
-//// 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);
|
|
|
-
|
|
|
-//// ClickContainer(fromContainer, KeyModifiers.None);
|
|
|
+ [Fact]
|
|
|
+ public void Clicking_WithShiftModifier_UpDirection_Should_Select_Range_Of_Items()
|
|
|
+ {
|
|
|
+ using (Application())
|
|
|
+ {
|
|
|
+ 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);
|
|
|
+ ExpandAll(target);
|
|
|
|
|
|
-//// Assert.True(fromContainer.IsSelected);
|
|
|
+ var rootNode = tree[0];
|
|
|
+
|
|
|
+ var from = rootNode.Children.Last();
|
|
|
+ var to = rootNode.Children[0];
|
|
|
+
|
|
|
+ var fromContainer = (TreeViewItem)target.TreeContainerFromItem(from);
|
|
|
+ var toContainer = (TreeViewItem)target.TreeContainerFromItem(to);
|
|
|
+
|
|
|
+ ClickContainer(fromContainer, KeyModifiers.None);
|
|
|
|
|
|
-//// ClickContainer(toContainer, KeyModifiers.Shift);
|
|
|
-//// AssertChildrenSelected(target, rootNode);
|
|
|
-//// }
|
|
|
-//// }
|
|
|
+ Assert.True(fromContainer.IsSelected);
|
|
|
|
|
|
-//// [Fact]
|
|
|
-//// public void Clicking_First_Item_Of_SelectedItems_Should_Select_Only_It()
|
|
|
-//// {
|
|
|
-//// using (Application())
|
|
|
-//// {
|
|
|
-//// 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);
|
|
|
-//// ExpandAll(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);
|
|
|
-
|
|
|
-//// ClickContainer(fromContainer, KeyModifiers.None);
|
|
|
-
|
|
|
-//// ClickContainer(toContainer, KeyModifiers.Shift);
|
|
|
-//// AssertChildrenSelected(target, rootNode);
|
|
|
-
|
|
|
-//// ClickContainer(fromContainer, KeyModifiers.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);
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-
|
|
|
-//// [Fact]
|
|
|
-//// public void Setting_SelectedItem_Should_Set_Container_Selected()
|
|
|
-//// {
|
|
|
-//// using (Application())
|
|
|
-//// {
|
|
|
-//// var tree = CreateTestTreeData();
|
|
|
-//// var target = new TreeView
|
|
|
-//// {
|
|
|
-//// Template = CreateTreeViewTemplate(),
|
|
|
-//// Items = tree,
|
|
|
-//// };
|
|
|
-
|
|
|
-//// var visualRoot = new TestRoot();
|
|
|
-//// visualRoot.Child = target;
|
|
|
-
|
|
|
-//// CreateNodeDataTemplate(target);
|
|
|
-//// ApplyTemplates(target);
|
|
|
-//// ExpandAll(target);
|
|
|
-
|
|
|
-//// var item = tree[0].Children[1].Children[0];
|
|
|
-//// var container = (TreeViewItem)target.ItemContainerGenerator.Index.ContainerFromItem(item);
|
|
|
-
|
|
|
-//// Assert.NotNull(container);
|
|
|
-
|
|
|
-//// target.SelectedItem = item;
|
|
|
-
|
|
|
-//// Assert.True(container.IsSelected);
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-
|
|
|
-//// [Fact]
|
|
|
-//// public void Setting_SelectedItem_Should_Raise_SelectedItemChanged_Event()
|
|
|
-//// {
|
|
|
-//// using (Application())
|
|
|
-//// {
|
|
|
-//// var tree = CreateTestTreeData();
|
|
|
-//// var target = new TreeView
|
|
|
-//// {
|
|
|
-//// Template = CreateTreeViewTemplate(),
|
|
|
-//// Items = tree,
|
|
|
-//// };
|
|
|
-
|
|
|
-//// var visualRoot = new TestRoot();
|
|
|
-//// visualRoot.Child = target;
|
|
|
-
|
|
|
-//// CreateNodeDataTemplate(target);
|
|
|
-//// ApplyTemplates(target);
|
|
|
-//// ExpandAll(target);
|
|
|
-
|
|
|
-//// var item = tree[0].Children[1].Children[0];
|
|
|
-
|
|
|
-//// var called = false;
|
|
|
-//// target.SelectionChanged += (s, e) =>
|
|
|
-//// {
|
|
|
-//// Assert.Empty(e.RemovedItems);
|
|
|
-//// Assert.Equal(1, e.AddedItems.Count);
|
|
|
-//// Assert.Same(item, e.AddedItems[0]);
|
|
|
-//// called = true;
|
|
|
-//// };
|
|
|
-
|
|
|
-//// target.SelectedItem = item;
|
|
|
-//// Assert.True(called);
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-
|
|
|
-//// [Fact]
|
|
|
-//// public void Bound_SelectedItem_Should_Not_Be_Cleared_when_Changing_Selection()
|
|
|
-//// {
|
|
|
-//// using (Application())
|
|
|
-//// {
|
|
|
-//// var dataContext = new TestDataContext();
|
|
|
-
|
|
|
-//// var target = new TreeView
|
|
|
-//// {
|
|
|
-//// Template = CreateTreeViewTemplate(),
|
|
|
-//// DataContext = dataContext
|
|
|
-//// };
|
|
|
-
|
|
|
-//// target.Bind(TreeView.ItemsProperty, new Binding("Items"));
|
|
|
-//// target.Bind(TreeView.SelectedItemProperty, new Binding("SelectedItem"));
|
|
|
-
|
|
|
-//// var visualRoot = new TestRoot();
|
|
|
-//// visualRoot.Child = target;
|
|
|
-
|
|
|
-//// CreateNodeDataTemplate(target);
|
|
|
-//// ApplyTemplates(target);
|
|
|
-
|
|
|
-//// var selectedValues = new List<object>();
|
|
|
-
|
|
|
-//// dataContext.PropertyChanged += (_, e) =>
|
|
|
-//// {
|
|
|
-//// if (e.PropertyName == nameof(TestDataContext.SelectedItem))
|
|
|
-//// selectedValues.Add(dataContext.SelectedItem);
|
|
|
-//// };
|
|
|
-//// selectedValues.Add(dataContext.SelectedItem);
|
|
|
-
|
|
|
-//// _mouse.Click((Interactive)target.Presenter.Panel.Children[0], MouseButton.Left);
|
|
|
-//// _mouse.Click((Interactive)target.Presenter.Panel.Children[2], MouseButton.Left);
|
|
|
-
|
|
|
-//// Assert.Equal(3, selectedValues.Count);
|
|
|
-//// Assert.Equal(new[] { null, "Item 0", "Item 2" }, selectedValues.ToArray());
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-
|
|
|
-//// [Fact]
|
|
|
-//// public void LogicalChildren_Should_Be_Set()
|
|
|
-//// {
|
|
|
-//// var target = new TreeView
|
|
|
-//// {
|
|
|
-//// Template = CreateTreeViewTemplate(),
|
|
|
-//// Items = new[] { "Foo", "Bar", "Baz " },
|
|
|
-//// };
|
|
|
-
|
|
|
-//// ApplyTemplates(target);
|
|
|
-
|
|
|
-//// var result = target.GetLogicalChildren()
|
|
|
-//// .OfType<TreeViewItem>()
|
|
|
-//// .Select(x => x.Header)
|
|
|
-//// .OfType<TextBlock>()
|
|
|
-//// .Select(x => x.Text)
|
|
|
-//// .ToList();
|
|
|
-
|
|
|
-//// Assert.Equal(new[] { "Foo", "Bar", "Baz " }, result);
|
|
|
-//// }
|
|
|
-
|
|
|
-//// [Fact]
|
|
|
-//// public void Removing_Item_Should_Remove_Itself_And_Children_From_Index()
|
|
|
-//// {
|
|
|
-//// var tree = CreateTestTreeData();
|
|
|
-//// var target = new TreeView
|
|
|
-//// {
|
|
|
-//// Template = CreateTreeViewTemplate(),
|
|
|
-//// Items = tree,
|
|
|
-//// };
|
|
|
-
|
|
|
-//// var root = new TestRoot();
|
|
|
-//// root.Child = target;
|
|
|
-
|
|
|
-//// CreateNodeDataTemplate(target);
|
|
|
-//// ApplyTemplates(target);
|
|
|
-
|
|
|
-//// Assert.Equal(5, target.ItemContainerGenerator.Index.Containers.Count());
|
|
|
-
|
|
|
-//// tree[0].Children.RemoveAt(1);
|
|
|
-
|
|
|
-//// Assert.Equal(3, target.ItemContainerGenerator.Index.Containers.Count());
|
|
|
-//// }
|
|
|
-
|
|
|
-//// [Fact]
|
|
|
-//// public void DataContexts_Should_Be_Correctly_Set()
|
|
|
-//// {
|
|
|
-//// var items = new object[]
|
|
|
-//// {
|
|
|
-//// "Foo",
|
|
|
-//// new Node { Value = "Bar" },
|
|
|
-//// new TextBlock { Text = "Baz" },
|
|
|
-//// new TreeViewItem { Header = "Qux" },
|
|
|
-//// };
|
|
|
-
|
|
|
-//// var target = new TreeView
|
|
|
-//// {
|
|
|
-//// Template = CreateTreeViewTemplate(),
|
|
|
-//// DataContext = "Base",
|
|
|
-//// DataTemplates =
|
|
|
-//// {
|
|
|
-//// new FuncDataTemplate<Node>((x, _) => new Button { Content = x })
|
|
|
-//// },
|
|
|
-//// Items = items,
|
|
|
-//// };
|
|
|
-
|
|
|
-//// ApplyTemplates(target);
|
|
|
-
|
|
|
-//// var dataContexts = target.Presenter.Panel.Children
|
|
|
-//// .Cast<Control>()
|
|
|
-//// .Select(x => x.DataContext)
|
|
|
-//// .ToList();
|
|
|
-
|
|
|
-//// Assert.Equal(
|
|
|
-//// new object[] { items[0], items[1], "Base", "Base" },
|
|
|
-//// dataContexts);
|
|
|
-//// }
|
|
|
-
|
|
|
-//// [Fact]
|
|
|
-//// public void Control_Item_Should_Not_Be_NameScope()
|
|
|
-//// {
|
|
|
-//// var items = new object[]
|
|
|
-//// {
|
|
|
-//// new TreeViewItem(),
|
|
|
-//// };
|
|
|
-
|
|
|
-//// var target = new TreeView
|
|
|
-//// {
|
|
|
-//// Template = CreateTreeViewTemplate(),
|
|
|
-//// Items = items,
|
|
|
-//// };
|
|
|
-
|
|
|
-//// target.ApplyTemplate();
|
|
|
-//// target.Presenter.ApplyTemplate();
|
|
|
-
|
|
|
-//// var item = target.Presenter.Panel.LogicalChildren[0];
|
|
|
-//// Assert.Null(NameScope.GetNameScope((TreeViewItem)item));
|
|
|
-//// }
|
|
|
-
|
|
|
-//// [Fact]
|
|
|
-//// public void Should_React_To_Children_Changing()
|
|
|
-//// {
|
|
|
-//// var data = CreateTestTreeData();
|
|
|
-
|
|
|
-//// var target = new TreeView
|
|
|
-//// {
|
|
|
-//// Template = CreateTreeViewTemplate(),
|
|
|
-//// Items = data,
|
|
|
-//// };
|
|
|
-
|
|
|
-//// var root = new TestRoot(target);
|
|
|
-
|
|
|
-//// CreateNodeDataTemplate(target);
|
|
|
-//// ApplyTemplates(target);
|
|
|
-
|
|
|
-//// Assert.Equal(new[] { "Root" }, ExtractItemHeader(target, 0));
|
|
|
-//// Assert.Equal(new[] { "Child1", "Child2", "Child3" }, ExtractItemHeader(target, 1));
|
|
|
-//// Assert.Equal(new[] { "Grandchild2a" }, ExtractItemHeader(target, 2));
|
|
|
-
|
|
|
-//// // Make sure that the binding to Node.Children does not get collected.
|
|
|
-//// GC.Collect();
|
|
|
-
|
|
|
-//// data[0].Children = new AvaloniaList<Node>
|
|
|
-//// {
|
|
|
-//// new Node
|
|
|
-//// {
|
|
|
-//// Value = "NewChild1",
|
|
|
-//// }
|
|
|
-//// };
|
|
|
-
|
|
|
-//// Assert.Equal(new[] { "Root" }, ExtractItemHeader(target, 0));
|
|
|
-//// Assert.Equal(new[] { "NewChild1" }, ExtractItemHeader(target, 1));
|
|
|
-//// }
|
|
|
-
|
|
|
-//// [Fact]
|
|
|
-//// public void Keyboard_Navigation_Should_Move_To_Last_Selected_Node()
|
|
|
-//// {
|
|
|
-//// using (Application())
|
|
|
-//// {
|
|
|
-//// var focus = FocusManager.Instance;
|
|
|
-//// var navigation = AvaloniaLocator.Current.GetService<IKeyboardNavigationHandler>();
|
|
|
-//// var data = CreateTestTreeData();
|
|
|
-
|
|
|
-//// var target = new TreeView
|
|
|
-//// {
|
|
|
-//// Template = CreateTreeViewTemplate(),
|
|
|
-//// Items = data,
|
|
|
-//// };
|
|
|
-
|
|
|
-//// var button = new Button();
|
|
|
-
|
|
|
-//// var root = new TestRoot
|
|
|
-//// {
|
|
|
-//// Child = new StackPanel
|
|
|
-//// {
|
|
|
-//// Children = { target, button },
|
|
|
-//// }
|
|
|
-//// };
|
|
|
-
|
|
|
-//// CreateNodeDataTemplate(target);
|
|
|
-//// ApplyTemplates(target);
|
|
|
-//// ExpandAll(target);
|
|
|
-
|
|
|
-//// var item = data[0].Children[0];
|
|
|
-//// var node = target.ItemContainerGenerator.Index.ContainerFromItem(item);
|
|
|
-//// Assert.NotNull(node);
|
|
|
-
|
|
|
-//// target.SelectedItem = item;
|
|
|
-//// node.Focus();
|
|
|
-//// Assert.Same(node, focus.Current);
|
|
|
-
|
|
|
-//// navigation.Move(focus.Current, NavigationDirection.Next);
|
|
|
-//// Assert.Same(button, focus.Current);
|
|
|
-
|
|
|
-//// navigation.Move(focus.Current, NavigationDirection.Next);
|
|
|
-//// Assert.Same(node, focus.Current);
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-
|
|
|
-//// [Fact]
|
|
|
-//// public void Keyboard_Navigation_Should_Not_Crash_If_Selected_Item_Is_not_In_Tree()
|
|
|
-//// {
|
|
|
-//// using (Application())
|
|
|
-//// {
|
|
|
-//// var focus = FocusManager.Instance;
|
|
|
-//// var navigation = AvaloniaLocator.Current.GetService<IKeyboardNavigationHandler>();
|
|
|
-//// var data = CreateTestTreeData();
|
|
|
-
|
|
|
-//// var selectedNode = new Node { Value = "Out of Tree Selected Item" };
|
|
|
-
|
|
|
-//// var target = new TreeView
|
|
|
-//// {
|
|
|
-//// Template = CreateTreeViewTemplate(),
|
|
|
-//// Items = data,
|
|
|
-//// SelectedItem = selectedNode
|
|
|
-//// };
|
|
|
-
|
|
|
-//// var button = new Button();
|
|
|
-
|
|
|
-//// var root = new TestRoot
|
|
|
-//// {
|
|
|
-//// Child = new StackPanel
|
|
|
-//// {
|
|
|
-//// Children = { target, button },
|
|
|
-//// }
|
|
|
-//// };
|
|
|
-
|
|
|
-//// CreateNodeDataTemplate(target);
|
|
|
-//// ApplyTemplates(target);
|
|
|
-//// ExpandAll(target);
|
|
|
-
|
|
|
-//// var item = data[0].Children[0];
|
|
|
-//// var node = target.ItemContainerGenerator.Index.ContainerFromItem(item);
|
|
|
-//// Assert.NotNull(node);
|
|
|
-
|
|
|
-//// target.SelectedItem = selectedNode;
|
|
|
-//// node.Focus();
|
|
|
-//// Assert.Same(node, focus.Current);
|
|
|
-
|
|
|
-//// var next = KeyboardNavigationHandler.GetNext(node, NavigationDirection.Previous);
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-
|
|
|
-//// [Fact]
|
|
|
-//// 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);
|
|
|
-//// ExpandAll(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,
|
|
|
-//// KeyModifiers = selectAllGesture.KeyModifiers
|
|
|
-//// };
|
|
|
-
|
|
|
-//// target.RaiseEvent(keyEvent);
|
|
|
-
|
|
|
-//// AssertChildrenSelected(target, rootNode);
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-
|
|
|
-//// [Fact]
|
|
|
-//// public void Pressing_SelectAll_Gesture_With_Downward_Range_Selected_Should_Select_All_Nodes()
|
|
|
-//// {
|
|
|
-//// using (Application())
|
|
|
-//// {
|
|
|
-//// 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);
|
|
|
-//// ExpandAll(target);
|
|
|
-
|
|
|
-//// var rootNode = tree[0];
|
|
|
-
|
|
|
-//// var from = rootNode.Children[0];
|
|
|
-//// var to = rootNode.Children.Last();
|
|
|
-
|
|
|
-//// var fromContainer = (TreeViewItem)target.ItemContainerGenerator.Index.ContainerFromItem(from);
|
|
|
-//// var toContainer = (TreeViewItem)target.ItemContainerGenerator.Index.ContainerFromItem(to);
|
|
|
-
|
|
|
-//// ClickContainer(fromContainer, KeyModifiers.None);
|
|
|
-//// ClickContainer(toContainer, KeyModifiers.Shift);
|
|
|
-
|
|
|
-//// var keymap = AvaloniaLocator.Current.GetService<PlatformHotkeyConfiguration>();
|
|
|
-//// var selectAllGesture = keymap.SelectAll.First();
|
|
|
-
|
|
|
-//// var keyEvent = new KeyEventArgs
|
|
|
-//// {
|
|
|
-//// RoutedEvent = InputElement.KeyDownEvent,
|
|
|
-//// Key = selectAllGesture.Key,
|
|
|
-//// KeyModifiers = selectAllGesture.KeyModifiers
|
|
|
-//// };
|
|
|
-
|
|
|
-//// target.RaiseEvent(keyEvent);
|
|
|
-
|
|
|
-//// AssertChildrenSelected(target, rootNode);
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-
|
|
|
-//// [Fact]
|
|
|
-//// public void Pressing_SelectAll_Gesture_With_Upward_Range_Selected_Should_Select_All_Nodes()
|
|
|
-//// {
|
|
|
-//// using (Application())
|
|
|
-//// {
|
|
|
-//// 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);
|
|
|
-//// ExpandAll(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);
|
|
|
-
|
|
|
-//// ClickContainer(fromContainer, KeyModifiers.None);
|
|
|
-//// ClickContainer(toContainer, KeyModifiers.Shift);
|
|
|
-
|
|
|
-//// var keymap = AvaloniaLocator.Current.GetService<PlatformHotkeyConfiguration>();
|
|
|
-//// var selectAllGesture = keymap.SelectAll.First();
|
|
|
-
|
|
|
-//// var keyEvent = new KeyEventArgs
|
|
|
-//// {
|
|
|
-//// RoutedEvent = InputElement.KeyDownEvent,
|
|
|
-//// Key = selectAllGesture.Key,
|
|
|
-//// KeyModifiers = selectAllGesture.KeyModifiers
|
|
|
-//// };
|
|
|
-
|
|
|
-//// target.RaiseEvent(keyEvent);
|
|
|
-
|
|
|
-//// AssertChildrenSelected(target, rootNode);
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-
|
|
|
-//// [Fact]
|
|
|
-//// public void Right_Click_On_SelectedItem_Should_Not_Clear_Existing_Selection()
|
|
|
-//// {
|
|
|
-//// using (UnitTestApplication.Start())
|
|
|
-//// {
|
|
|
-//// var tree = CreateTestTreeData();
|
|
|
-//// var target = new TreeView
|
|
|
-//// {
|
|
|
-//// Template = CreateTreeViewTemplate(),
|
|
|
-//// Items = tree,
|
|
|
-//// SelectionMode = SelectionMode.Multiple,
|
|
|
-//// };
|
|
|
-//// AvaloniaLocator.CurrentMutable.Bind<PlatformHotkeyConfiguration>().ToConstant(new Mock<PlatformHotkeyConfiguration>().Object);
|
|
|
-//// var visualRoot = new TestRoot();
|
|
|
-//// visualRoot.Child = target;
|
|
|
-
|
|
|
-//// CreateNodeDataTemplate(target);
|
|
|
-//// ApplyTemplates(target);
|
|
|
-//// target.ExpandSubTree((TreeViewItem)target.Presenter.Panel.Children[0]);
|
|
|
-//// target.SelectAll();
|
|
|
-
|
|
|
-//// AssertChildrenSelected(target, tree[0]);
|
|
|
-//// Assert.Equal(5, target.SelectedItems.Count);
|
|
|
-
|
|
|
-//// _mouse.Click((Interactive)target.Presenter.Panel.Children[0], MouseButton.Right);
|
|
|
-
|
|
|
-//// Assert.Equal(5, target.SelectedItems.Count);
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-
|
|
|
-//// [Fact]
|
|
|
-//// public void Right_Click_On_UnselectedItem_Should_Clear_Existing_Selection()
|
|
|
-//// {
|
|
|
-//// using (Application())
|
|
|
-//// {
|
|
|
-//// 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);
|
|
|
-//// target.ExpandSubTree((TreeViewItem)target.Presenter.Panel.Children[0]);
|
|
|
-
|
|
|
-//// var rootNode = tree[0];
|
|
|
-//// var to = rootNode.Children[0];
|
|
|
-//// var then = rootNode.Children[1];
|
|
|
-
|
|
|
-//// var fromContainer = (TreeViewItem)target.ItemContainerGenerator.Index.ContainerFromItem(rootNode);
|
|
|
-//// var toContainer = (TreeViewItem)target.ItemContainerGenerator.Index.ContainerFromItem(to);
|
|
|
-//// var thenContainer = (TreeViewItem)target.ItemContainerGenerator.Index.ContainerFromItem(then);
|
|
|
-
|
|
|
-//// ClickContainer(fromContainer, KeyModifiers.None);
|
|
|
-//// ClickContainer(toContainer, KeyModifiers.Shift);
|
|
|
-
|
|
|
-//// Assert.Equal(2, target.SelectedItems.Count);
|
|
|
-
|
|
|
-//// _mouse.Click(thenContainer, MouseButton.Right);
|
|
|
-
|
|
|
-//// Assert.Equal(1, target.SelectedItems.Count);
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-
|
|
|
-//// [Fact]
|
|
|
-//// public void Shift_Right_Click_Should_Not_Select_Multiple()
|
|
|
-//// {
|
|
|
-//// using (Application())
|
|
|
-//// {
|
|
|
-//// 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);
|
|
|
-//// target.ExpandSubTree((TreeViewItem)target.Presenter.Panel.Children[0]);
|
|
|
-
|
|
|
-//// var rootNode = tree[0];
|
|
|
-//// var from = rootNode.Children[0];
|
|
|
-//// var to = rootNode.Children[1];
|
|
|
-//// var fromContainer = (TreeViewItem)target.ItemContainerGenerator.Index.ContainerFromItem(from);
|
|
|
-//// var toContainer = (TreeViewItem)target.ItemContainerGenerator.Index.ContainerFromItem(to);
|
|
|
-
|
|
|
-//// _mouse.Click(fromContainer);
|
|
|
-//// _mouse.Click(toContainer, MouseButton.Right, modifiers: KeyModifiers.Shift);
|
|
|
-
|
|
|
-//// Assert.Equal(1, target.SelectedItems.Count);
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-
|
|
|
-//// [Fact]
|
|
|
-//// public void Ctrl_Right_Click_Should_Not_Select_Multiple()
|
|
|
-//// {
|
|
|
-//// using (Application())
|
|
|
-//// {
|
|
|
-//// 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);
|
|
|
-//// target.ExpandSubTree((TreeViewItem)target.Presenter.Panel.Children[0]);
|
|
|
-
|
|
|
-//// var rootNode = tree[0];
|
|
|
-//// var from = rootNode.Children[0];
|
|
|
-//// var to = rootNode.Children[1];
|
|
|
-//// var fromContainer = (TreeViewItem)target.ItemContainerGenerator.Index.ContainerFromItem(from);
|
|
|
-//// var toContainer = (TreeViewItem)target.ItemContainerGenerator.Index.ContainerFromItem(to);
|
|
|
-
|
|
|
-//// _mouse.Click(fromContainer);
|
|
|
-//// _mouse.Click(toContainer, MouseButton.Right, modifiers: KeyModifiers.Control);
|
|
|
-
|
|
|
-//// Assert.Equal(1, target.SelectedItems.Count);
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-
|
|
|
-//// [Fact]
|
|
|
-//// public void TreeViewItems_Level_Should_Be_Set()
|
|
|
-//// {
|
|
|
-//// var tree = CreateTestTreeData();
|
|
|
-//// var target = new TreeView
|
|
|
-//// {
|
|
|
-//// Template = CreateTreeViewTemplate(),
|
|
|
-//// Items = tree,
|
|
|
-//// };
|
|
|
-
|
|
|
-//// var visualRoot = new TestRoot();
|
|
|
-//// visualRoot.Child = target;
|
|
|
-
|
|
|
-//// CreateNodeDataTemplate(target);
|
|
|
-//// ApplyTemplates(target);
|
|
|
-//// ExpandAll(target);
|
|
|
-
|
|
|
-//// Assert.Equal(0, GetItem(target, 0).Level);
|
|
|
-//// Assert.Equal(1, GetItem(target, 0, 0).Level);
|
|
|
-//// Assert.Equal(1, GetItem(target, 0, 1).Level);
|
|
|
-//// Assert.Equal(1, GetItem(target, 0, 2).Level);
|
|
|
-//// Assert.Equal(2, GetItem(target, 0, 1, 0).Level);
|
|
|
-//// }
|
|
|
-
|
|
|
-//// [Fact]
|
|
|
-//// public void TreeViewItems_Level_Should_Be_Set_For_Derived_TreeView()
|
|
|
-//// {
|
|
|
-//// var tree = CreateTestTreeData();
|
|
|
-//// var target = new DerivedTreeView
|
|
|
-//// {
|
|
|
-//// Template = CreateTreeViewTemplate(),
|
|
|
-//// Items = tree,
|
|
|
-//// };
|
|
|
-
|
|
|
-//// var visualRoot = new TestRoot();
|
|
|
-//// visualRoot.Child = target;
|
|
|
-
|
|
|
-//// CreateNodeDataTemplate(target);
|
|
|
-//// ApplyTemplates(target);
|
|
|
-//// ExpandAll(target);
|
|
|
-
|
|
|
-//// Assert.Equal(0, GetItem(target, 0).Level);
|
|
|
-//// Assert.Equal(1, GetItem(target, 0, 0).Level);
|
|
|
-//// Assert.Equal(1, GetItem(target, 0, 1).Level);
|
|
|
-//// Assert.Equal(1, GetItem(target, 0, 2).Level);
|
|
|
-//// Assert.Equal(2, GetItem(target, 0, 1, 0).Level);
|
|
|
-//// }
|
|
|
-
|
|
|
-//// [Fact]
|
|
|
-//// public void Adding_Node_To_Removed_And_ReAdded_Parent_Should_Not_Crash()
|
|
|
-//// {
|
|
|
-//// // Issue #2985
|
|
|
-//// var tree = CreateTestTreeData();
|
|
|
-//// var target = new TreeView
|
|
|
-//// {
|
|
|
-//// Template = CreateTreeViewTemplate(),
|
|
|
-//// Items = tree,
|
|
|
-//// };
|
|
|
-
|
|
|
-//// var visualRoot = new TestRoot();
|
|
|
-//// visualRoot.Child = target;
|
|
|
-
|
|
|
-//// CreateNodeDataTemplate(target);
|
|
|
-//// ApplyTemplates(target);
|
|
|
-//// ExpandAll(target);
|
|
|
-
|
|
|
-//// var parent = tree[0];
|
|
|
-//// var node = parent.Children[1];
|
|
|
-
|
|
|
-//// parent.Children.Remove(node);
|
|
|
-//// parent.Children.Add(node);
|
|
|
-
|
|
|
-//// var item = target.ItemContainerGenerator.Index.ContainerFromItem(node);
|
|
|
-//// ApplyTemplates(new[] { item });
|
|
|
-
|
|
|
-//// // #2985 causes ArgumentException here.
|
|
|
-//// node.Children.Add(new Node());
|
|
|
-//// }
|
|
|
-
|
|
|
-//// [Fact]
|
|
|
-//// public void Auto_Expanding_In_Style_Should_Not_Break_Range_Selection()
|
|
|
-//// {
|
|
|
-//// // Issue #2980.
|
|
|
-//// using (Application())
|
|
|
-//// {
|
|
|
-//// var target = new DerivedTreeView
|
|
|
-//// {
|
|
|
-//// Template = CreateTreeViewTemplate(),
|
|
|
-//// SelectionMode = SelectionMode.Multiple,
|
|
|
-//// Items = new List<Node>
|
|
|
-//// {
|
|
|
-//// new Node { Value = "Root1", },
|
|
|
-//// new Node { Value = "Root2", },
|
|
|
-//// },
|
|
|
-//// };
|
|
|
-
|
|
|
-//// var visualRoot = new TestRoot
|
|
|
-//// {
|
|
|
-//// Styles =
|
|
|
-//// {
|
|
|
-//// new Style(x => x.OfType<TreeViewItem>())
|
|
|
-//// {
|
|
|
-//// Setters =
|
|
|
-//// {
|
|
|
-//// new Setter(TreeViewItem.IsExpandedProperty, true),
|
|
|
-//// },
|
|
|
-//// },
|
|
|
-//// },
|
|
|
-//// Child = target,
|
|
|
-//// };
|
|
|
-
|
|
|
-//// CreateNodeDataTemplate(target);
|
|
|
-//// ApplyTemplates(target);
|
|
|
-
|
|
|
-//// _mouse.Click(GetItem(target, 0));
|
|
|
-//// _mouse.Click(GetItem(target, 1), modifiers: KeyModifiers.Shift);
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-
|
|
|
-//// [Fact]
|
|
|
-//// public void Removing_TreeView_From_Root_Should_Preserve_TreeViewItems()
|
|
|
-//// {
|
|
|
-//// // Issue #3328
|
|
|
-//// var tree = CreateTestTreeData();
|
|
|
-//// var target = new TreeView
|
|
|
-//// {
|
|
|
-//// Template = CreateTreeViewTemplate(),
|
|
|
-//// Items = tree,
|
|
|
-//// };
|
|
|
-
|
|
|
-//// var root = new TestRoot();
|
|
|
-//// root.Child = target;
|
|
|
-
|
|
|
-//// CreateNodeDataTemplate(target);
|
|
|
-//// ApplyTemplates(target);
|
|
|
-//// ExpandAll(target);
|
|
|
-
|
|
|
-//// Assert.Equal(5, target.ItemContainerGenerator.Index.Containers.Count());
|
|
|
-
|
|
|
-//// root.Child = null;
|
|
|
-
|
|
|
-//// Assert.Equal(5, target.ItemContainerGenerator.Index.Containers.Count());
|
|
|
-//// Assert.Equal(1, target.Presenter.Panel.Children.Count);
|
|
|
-
|
|
|
-//// var rootNode = Assert.IsType<TreeViewItem>(target.Presenter.Panel.Children[0]);
|
|
|
-//// Assert.Equal(3, rootNode.ItemContainerGenerator.Containers.Count());
|
|
|
-//// Assert.Equal(3, rootNode.Presenter.Panel.Children.Count);
|
|
|
-
|
|
|
-//// var child2Node = Assert.IsType<TreeViewItem>(rootNode.Presenter.Panel.Children[1]);
|
|
|
-//// Assert.Equal(1, child2Node.ItemContainerGenerator.Containers.Count());
|
|
|
-//// Assert.Equal(1, child2Node.Presenter.Panel.Children.Count);
|
|
|
-//// }
|
|
|
-
|
|
|
-//// [Fact]
|
|
|
-//// public void Clearing_TreeView_Items_Clears_Index()
|
|
|
-//// {
|
|
|
-//// // Issue #3551
|
|
|
-//// var tree = CreateTestTreeData();
|
|
|
-//// var target = new TreeView
|
|
|
-//// {
|
|
|
-//// Template = CreateTreeViewTemplate(),
|
|
|
-//// Items = tree,
|
|
|
-//// };
|
|
|
-
|
|
|
-//// var root = new TestRoot();
|
|
|
-//// root.Child = target;
|
|
|
-
|
|
|
-//// CreateNodeDataTemplate(target);
|
|
|
-//// ApplyTemplates(target);
|
|
|
-
|
|
|
-//// var rootNode = tree[0];
|
|
|
-//// var container = (TreeViewItem)target.ItemContainerGenerator.Index.ContainerFromItem(rootNode);
|
|
|
-
|
|
|
-//// Assert.NotNull(container);
|
|
|
-
|
|
|
-//// root.Child = null;
|
|
|
-
|
|
|
-//// tree.Clear();
|
|
|
-
|
|
|
-//// Assert.Empty(target.ItemContainerGenerator.Index.Containers);
|
|
|
-//// }
|
|
|
-
|
|
|
-//// [Fact]
|
|
|
-//// public void Can_Use_Derived_TreeViewItem()
|
|
|
-//// {
|
|
|
-//// var tree = CreateTestTreeData();
|
|
|
-//// var target = new DerivedTreeViewWithDerivedTreeViewItems
|
|
|
-//// {
|
|
|
-//// Template = CreateTreeViewTemplate(),
|
|
|
-//// Items = tree,
|
|
|
-//// };
|
|
|
-
|
|
|
-//// ApplyTemplates(target);
|
|
|
-
|
|
|
-//// // Verify that all items are DerivedTreeViewItem
|
|
|
-//// VerifyItemType(target.ItemContainerGenerator);
|
|
|
-
|
|
|
-//// void VerifyItemType(ITreeItemContainerGenerator containerGenerator)
|
|
|
-//// {
|
|
|
-//// foreach (var container in containerGenerator.Index.Containers)
|
|
|
-//// {
|
|
|
-//// var item = Assert.IsType<DerivedTreeViewItem>(container);
|
|
|
-//// if (item.ItemCount > 0)
|
|
|
-//// {
|
|
|
-//// VerifyItemType(item.ItemContainerGenerator);
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-
|
|
|
-//// private void ApplyTemplates(TreeView tree)
|
|
|
-//// {
|
|
|
-//// tree.ApplyTemplate();
|
|
|
-//// tree.Presenter.ApplyTemplate();
|
|
|
-//// ApplyTemplates(tree.Presenter.Panel.Children);
|
|
|
-//// }
|
|
|
-
|
|
|
-//// private void ApplyTemplates(IEnumerable<Control> controls)
|
|
|
-//// {
|
|
|
-//// foreach (TreeViewItem control in controls)
|
|
|
-//// {
|
|
|
-//// control.Template = CreateTreeViewItemTemplate();
|
|
|
-//// control.ApplyTemplate();
|
|
|
-//// control.Presenter.ApplyTemplate();
|
|
|
-//// control.HeaderPresenter.ApplyTemplate();
|
|
|
-//// ApplyTemplates(control.Presenter.Panel.Children);
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-
|
|
|
-//// private TreeViewItem GetItem(TreeView target, params int[] indexes)
|
|
|
-//// {
|
|
|
-//// var c = (ItemsControl)target;
|
|
|
-
|
|
|
-//// foreach (var index in indexes)
|
|
|
-//// {
|
|
|
-//// var item = ((IList)c.Items)[index];
|
|
|
-//// c = (ItemsControl)target.ItemContainerGenerator.Index.ContainerFromItem(item);
|
|
|
-//// }
|
|
|
-
|
|
|
-//// return (TreeViewItem)c;
|
|
|
-//// }
|
|
|
-
|
|
|
-//// private IList<Node> CreateTestTreeData()
|
|
|
-//// {
|
|
|
-//// return new AvaloniaList<Node>
|
|
|
-//// {
|
|
|
-//// new Node
|
|
|
-//// {
|
|
|
-//// Value = "Root",
|
|
|
-//// Children = new AvaloniaList<Node>
|
|
|
-//// {
|
|
|
-//// new Node
|
|
|
-//// {
|
|
|
-//// Value = "Child1",
|
|
|
-//// },
|
|
|
-//// new Node
|
|
|
-//// {
|
|
|
-//// Value = "Child2",
|
|
|
-//// Children = new AvaloniaList<Node>
|
|
|
-//// {
|
|
|
-//// new Node
|
|
|
-//// {
|
|
|
-//// Value = "Grandchild2a",
|
|
|
-//// },
|
|
|
-//// },
|
|
|
-//// },
|
|
|
-//// new Node
|
|
|
-//// {
|
|
|
-//// Value = "Child3",
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-//// };
|
|
|
-//// }
|
|
|
-
|
|
|
-//// private void CreateNodeDataTemplate(Control control)
|
|
|
-//// {
|
|
|
-//// control.DataTemplates.Add(new TestTreeDataTemplate());
|
|
|
-//// }
|
|
|
-
|
|
|
-//// private IControlTemplate CreateTreeViewTemplate()
|
|
|
-//// {
|
|
|
-//// return new FuncControlTemplate<TreeView>((parent, scope) => new ItemsPresenter
|
|
|
-//// {
|
|
|
-//// Name = "PART_ItemsPresenter",
|
|
|
-//// }.RegisterInNameScope(scope));
|
|
|
-//// }
|
|
|
-
|
|
|
-//// private IControlTemplate CreateTreeViewItemTemplate()
|
|
|
-//// {
|
|
|
-//// return new FuncControlTemplate<TreeViewItem>((parent, scope) => new Panel
|
|
|
-//// {
|
|
|
-//// Children =
|
|
|
-//// {
|
|
|
-//// new ContentPresenter
|
|
|
-//// {
|
|
|
-//// Name = "PART_HeaderPresenter",
|
|
|
-//// [~ContentPresenter.ContentProperty] = parent[~TreeViewItem.HeaderProperty],
|
|
|
-//// }.RegisterInNameScope(scope),
|
|
|
-//// new ItemsPresenter
|
|
|
-//// {
|
|
|
-//// Name = "PART_ItemsPresenter",
|
|
|
-//// }.RegisterInNameScope(scope)
|
|
|
-//// }
|
|
|
-//// });
|
|
|
-//// }
|
|
|
-
|
|
|
-//// private void ExpandAll(TreeView tree)
|
|
|
-//// {
|
|
|
-//// foreach (var i in tree.ItemContainerGenerator.Containers)
|
|
|
-//// {
|
|
|
-//// tree.ExpandSubTree((TreeViewItem)i.ContainerControl);
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-
|
|
|
-//// private List<string> ExtractItemHeader(TreeView tree, int level)
|
|
|
-//// {
|
|
|
-//// return ExtractItemContent(tree.Presenter.Panel, 0, level)
|
|
|
-//// .Select(x => x.Header)
|
|
|
-//// .OfType<TextBlock>()
|
|
|
-//// .Select(x => x.Text)
|
|
|
-//// .ToList();
|
|
|
-//// }
|
|
|
-
|
|
|
-//// private IEnumerable<TreeViewItem> ExtractItemContent(Panel panel, int currentLevel, int level)
|
|
|
-//// {
|
|
|
-//// foreach (TreeViewItem container in panel.Children)
|
|
|
-//// {
|
|
|
-//// if (container.Template == null)
|
|
|
-//// {
|
|
|
-//// container.Template = CreateTreeViewItemTemplate();
|
|
|
-//// container.ApplyTemplate();
|
|
|
-//// }
|
|
|
-
|
|
|
-//// if (currentLevel == level)
|
|
|
-//// {
|
|
|
-//// yield return container;
|
|
|
-//// }
|
|
|
-//// else
|
|
|
-//// {
|
|
|
-//// foreach (var child in ExtractItemContent(container.Presenter.Panel, currentLevel + 1, level))
|
|
|
-//// {
|
|
|
-//// yield return child;
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-
|
|
|
-//// private void ClickContainer(Control container, KeyModifiers modifiers)
|
|
|
-//// {
|
|
|
-//// _mouse.Click(container, modifiers: modifiers);
|
|
|
-//// }
|
|
|
-
|
|
|
-//// private void AssertChildrenSelected(TreeView treeView, Node rootNode)
|
|
|
-//// {
|
|
|
-//// foreach (var child in rootNode.Children)
|
|
|
-//// {
|
|
|
-//// var container = (TreeViewItem)treeView.ItemContainerGenerator.Index.ContainerFromItem(child);
|
|
|
-
|
|
|
-//// Assert.True(container.IsSelected);
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-
|
|
|
-//// private IDisposable Application()
|
|
|
-//// {
|
|
|
-//// return UnitTestApplication.Start(
|
|
|
-//// TestServices.MockThreadingInterface.With(
|
|
|
-//// focusManager: new FocusManager(),
|
|
|
-//// keyboardDevice: () => new KeyboardDevice(),
|
|
|
-//// keyboardNavigation: new KeyboardNavigationHandler(),
|
|
|
-//// inputManager: new InputManager()));
|
|
|
-//// }
|
|
|
-
|
|
|
-//// private class Node : NotifyingBase
|
|
|
-//// {
|
|
|
-//// private IAvaloniaList<Node> _children;
|
|
|
-
|
|
|
-//// public string Value { get; set; }
|
|
|
-
|
|
|
-//// public IAvaloniaList<Node> Children
|
|
|
-//// {
|
|
|
-//// get
|
|
|
-//// {
|
|
|
-//// return _children;
|
|
|
-//// }
|
|
|
-
|
|
|
-//// set
|
|
|
-//// {
|
|
|
-//// _children = value;
|
|
|
-//// RaisePropertyChanged(nameof(Children));
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-
|
|
|
-//// private class TestTreeDataTemplate : ITreeDataTemplate
|
|
|
-//// {
|
|
|
-//// public Control Build(object param)
|
|
|
-//// {
|
|
|
-//// var node = (Node)param;
|
|
|
-//// return new TextBlock { Text = node.Value };
|
|
|
-//// }
|
|
|
-
|
|
|
-//// public InstancedBinding ItemsSelector(object item)
|
|
|
-//// {
|
|
|
-//// var obs = ExpressionObserver.Create(item, o => (o as Node).Children);
|
|
|
-//// return InstancedBinding.OneWay(obs);
|
|
|
-//// }
|
|
|
-
|
|
|
-//// public bool Match(object data)
|
|
|
-//// {
|
|
|
-//// return data is Node;
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-
|
|
|
-//// private class DerivedTreeView : TreeView
|
|
|
-//// {
|
|
|
-//// }
|
|
|
-
|
|
|
-//// private class DerivedTreeViewWithDerivedTreeViewItems : TreeView
|
|
|
-//// {
|
|
|
-//// protected override ITreeItemContainerGenerator CreateTreeItemContainerGenerator() =>
|
|
|
-//// CreateTreeItemContainerGenerator<DerivedTreeViewItem>();
|
|
|
-//// }
|
|
|
-
|
|
|
-//// private class DerivedTreeViewItem : TreeViewItem
|
|
|
-//// {
|
|
|
-//// protected override IItemContainerGenerator CreateItemContainerGenerator() => CreateTreeItemContainerGenerator<DerivedTreeViewItem>();
|
|
|
-//// }
|
|
|
-
|
|
|
-//// private class TestDataContext : INotifyPropertyChanged
|
|
|
-//// {
|
|
|
-//// private string _selectedItem;
|
|
|
-
|
|
|
-//// public TestDataContext()
|
|
|
-//// {
|
|
|
-//// Items = new ObservableCollection<string>(Enumerable.Range(0, 5).Select(i => $"Item {i}"));
|
|
|
-//// }
|
|
|
-
|
|
|
-//// public ObservableCollection<string> Items { get; }
|
|
|
-
|
|
|
-//// public string SelectedItem
|
|
|
-//// {
|
|
|
-//// get { return _selectedItem; }
|
|
|
-//// set
|
|
|
-//// {
|
|
|
-//// _selectedItem = value;
|
|
|
-//// PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(SelectedItem)));
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-
|
|
|
-//// public event PropertyChangedEventHandler PropertyChanged;
|
|
|
-
|
|
|
-//// }
|
|
|
-//// }
|
|
|
-////}
|
|
|
+ ClickContainer(toContainer, KeyModifiers.Shift);
|
|
|
+ AssertChildrenSelected(target, rootNode);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ [Fact]
|
|
|
+ public void Clicking_First_Item_Of_SelectedItems_Should_Select_Only_It()
|
|
|
+ {
|
|
|
+ using (Application())
|
|
|
+ {
|
|
|
+ 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);
|
|
|
+ ExpandAll(target);
|
|
|
+
|
|
|
+ var rootNode = tree[0];
|
|
|
+
|
|
|
+ var from = rootNode.Children.Last();
|
|
|
+ var to = rootNode.Children[0];
|
|
|
+
|
|
|
+ var fromContainer = (TreeViewItem)target.TreeContainerFromItem(from);
|
|
|
+ var toContainer = (TreeViewItem)target.TreeContainerFromItem(to);
|
|
|
+
|
|
|
+ ClickContainer(fromContainer, KeyModifiers.None);
|
|
|
+
|
|
|
+ ClickContainer(toContainer, KeyModifiers.Shift);
|
|
|
+ AssertChildrenSelected(target, rootNode);
|
|
|
+
|
|
|
+ ClickContainer(fromContainer, KeyModifiers.None);
|
|
|
+
|
|
|
+ Assert.True(fromContainer.IsSelected);
|
|
|
+
|
|
|
+ foreach (var child in rootNode.Children)
|
|
|
+ {
|
|
|
+ if (child == from)
|
|
|
+ {
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+
|
|
|
+ var container = (TreeViewItem)target.TreeContainerFromItem(child);
|
|
|
+
|
|
|
+ Assert.False(container.IsSelected);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ [Fact]
|
|
|
+ public void Setting_SelectedItem_Should_Set_Container_Selected()
|
|
|
+ {
|
|
|
+ using (Application())
|
|
|
+ {
|
|
|
+ var tree = CreateTestTreeData();
|
|
|
+ var target = new TreeView
|
|
|
+ {
|
|
|
+ Template = CreateTreeViewTemplate(),
|
|
|
+ Items = tree,
|
|
|
+ };
|
|
|
+
|
|
|
+ var visualRoot = new TestRoot();
|
|
|
+ visualRoot.Child = target;
|
|
|
+
|
|
|
+ CreateNodeDataTemplate(target);
|
|
|
+ ApplyTemplates(target);
|
|
|
+ ExpandAll(target);
|
|
|
+
|
|
|
+ var item = tree[0].Children[1].Children[0];
|
|
|
+ var container = (TreeViewItem)target.TreeContainerFromItem(item);
|
|
|
+
|
|
|
+ Assert.NotNull(container);
|
|
|
+
|
|
|
+ target.SelectedItem = item;
|
|
|
+
|
|
|
+ Assert.True(container.IsSelected);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ [Fact]
|
|
|
+ public void Setting_SelectedItem_Should_Raise_SelectedItemChanged_Event()
|
|
|
+ {
|
|
|
+ using (Application())
|
|
|
+ {
|
|
|
+ var tree = CreateTestTreeData();
|
|
|
+ var target = new TreeView
|
|
|
+ {
|
|
|
+ Template = CreateTreeViewTemplate(),
|
|
|
+ Items = tree,
|
|
|
+ };
|
|
|
+
|
|
|
+ var visualRoot = new TestRoot();
|
|
|
+ visualRoot.Child = target;
|
|
|
+
|
|
|
+ CreateNodeDataTemplate(target);
|
|
|
+ ApplyTemplates(target);
|
|
|
+ ExpandAll(target);
|
|
|
+
|
|
|
+ var item = tree[0].Children[1].Children[0];
|
|
|
+
|
|
|
+ var called = false;
|
|
|
+ target.SelectionChanged += (s, e) =>
|
|
|
+ {
|
|
|
+ Assert.Empty(e.RemovedItems);
|
|
|
+ Assert.Equal(1, e.AddedItems.Count);
|
|
|
+ Assert.Same(item, e.AddedItems[0]);
|
|
|
+ called = true;
|
|
|
+ };
|
|
|
+
|
|
|
+ target.SelectedItem = item;
|
|
|
+ Assert.True(called);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ [Fact]
|
|
|
+ public void Bound_SelectedItem_Should_Not_Be_Cleared_when_Changing_Selection()
|
|
|
+ {
|
|
|
+ using (Application())
|
|
|
+ {
|
|
|
+ var dataContext = new TestDataContext();
|
|
|
+
|
|
|
+ var target = new TreeView
|
|
|
+ {
|
|
|
+ Template = CreateTreeViewTemplate(),
|
|
|
+ DataContext = dataContext
|
|
|
+ };
|
|
|
+
|
|
|
+ target.Bind(TreeView.ItemsProperty, new Binding("Items"));
|
|
|
+ target.Bind(TreeView.SelectedItemProperty, new Binding("SelectedItem"));
|
|
|
+
|
|
|
+ var visualRoot = new TestRoot();
|
|
|
+ visualRoot.Child = target;
|
|
|
+
|
|
|
+ CreateNodeDataTemplate(target);
|
|
|
+ ApplyTemplates(target);
|
|
|
+
|
|
|
+ var selectedValues = new List<object>();
|
|
|
+
|
|
|
+ dataContext.PropertyChanged += (_, e) =>
|
|
|
+ {
|
|
|
+ if (e.PropertyName == nameof(TestDataContext.SelectedItem))
|
|
|
+ selectedValues.Add(dataContext.SelectedItem);
|
|
|
+ };
|
|
|
+ selectedValues.Add(dataContext.SelectedItem);
|
|
|
+
|
|
|
+ _mouse.Click((Interactive)target.Presenter.Panel.Children[0], MouseButton.Left);
|
|
|
+ _mouse.Click((Interactive)target.Presenter.Panel.Children[2], MouseButton.Left);
|
|
|
+
|
|
|
+ Assert.Equal(3, selectedValues.Count);
|
|
|
+ Assert.Equal(new[] { null, "Item 0", "Item 2" }, selectedValues.ToArray());
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ [Fact]
|
|
|
+ public void LogicalChildren_Should_Be_Set()
|
|
|
+ {
|
|
|
+ var target = new TreeView
|
|
|
+ {
|
|
|
+ Template = CreateTreeViewTemplate(),
|
|
|
+ Items = new[] { "Foo", "Bar", "Baz " },
|
|
|
+ };
|
|
|
+
|
|
|
+ ApplyTemplates(target);
|
|
|
+
|
|
|
+ var result = target.GetLogicalChildren()
|
|
|
+ .OfType<TreeViewItem>()
|
|
|
+ .Select(x => x.HeaderPresenter.Child)
|
|
|
+ .OfType<TextBlock>()
|
|
|
+ .Select(x => x.Text)
|
|
|
+ .ToList();
|
|
|
+
|
|
|
+ Assert.Equal(new[] { "Foo", "Bar", "Baz " }, result);
|
|
|
+ }
|
|
|
+
|
|
|
+ [Fact]
|
|
|
+ public void DataContexts_Should_Be_Correctly_Set()
|
|
|
+ {
|
|
|
+ var items = new object[]
|
|
|
+ {
|
|
|
+ "Foo",
|
|
|
+ new Node { Value = "Bar" },
|
|
|
+ new TextBlock { Text = "Baz" },
|
|
|
+ new TreeViewItem { Header = "Qux" },
|
|
|
+ };
|
|
|
+
|
|
|
+ var target = new TreeView
|
|
|
+ {
|
|
|
+ Template = CreateTreeViewTemplate(),
|
|
|
+ DataContext = "Base",
|
|
|
+ DataTemplates =
|
|
|
+ {
|
|
|
+ new FuncDataTemplate<Node>((x, _) => new Button { Content = x })
|
|
|
+ },
|
|
|
+ Items = items,
|
|
|
+ };
|
|
|
+
|
|
|
+ ApplyTemplates(target);
|
|
|
+
|
|
|
+ var dataContexts = target.Presenter.Panel.Children
|
|
|
+ .Cast<Control>()
|
|
|
+ .Select(x => x.DataContext)
|
|
|
+ .ToList();
|
|
|
+
|
|
|
+ Assert.Equal(
|
|
|
+ new object[] { items[0], items[1], "Base", "Base" },
|
|
|
+ dataContexts);
|
|
|
+ }
|
|
|
+
|
|
|
+ [Fact]
|
|
|
+ public void Control_Item_Should_Not_Be_NameScope()
|
|
|
+ {
|
|
|
+ var items = new object[]
|
|
|
+ {
|
|
|
+ new TreeViewItem(),
|
|
|
+ };
|
|
|
+
|
|
|
+ var target = new TreeView
|
|
|
+ {
|
|
|
+ Template = CreateTreeViewTemplate(),
|
|
|
+ Items = items,
|
|
|
+ };
|
|
|
+
|
|
|
+ target.ApplyTemplate();
|
|
|
+ target.Presenter.ApplyTemplate();
|
|
|
+
|
|
|
+ var item = target.Presenter.Panel.LogicalChildren[0];
|
|
|
+ Assert.Null(NameScope.GetNameScope((TreeViewItem)item));
|
|
|
+ }
|
|
|
+
|
|
|
+ [Fact]
|
|
|
+ public void Should_React_To_Children_Changing()
|
|
|
+ {
|
|
|
+ var data = CreateTestTreeData();
|
|
|
+
|
|
|
+ var target = new TreeView
|
|
|
+ {
|
|
|
+ Template = CreateTreeViewTemplate(),
|
|
|
+ Items = data,
|
|
|
+ };
|
|
|
+
|
|
|
+ var root = new TestRoot(target);
|
|
|
+
|
|
|
+ CreateNodeDataTemplate(target);
|
|
|
+ ApplyTemplates(target);
|
|
|
+
|
|
|
+ Assert.Equal(new[] { "Root" }, ExtractItemHeader(target, 0));
|
|
|
+ Assert.Equal(new[] { "Child1", "Child2", "Child3" }, ExtractItemHeader(target, 1));
|
|
|
+ Assert.Equal(new[] { "Grandchild2a" }, ExtractItemHeader(target, 2));
|
|
|
+
|
|
|
+ // Make sure that the binding to Node.Children does not get collected.
|
|
|
+ GC.Collect();
|
|
|
+
|
|
|
+ data[0].Children = new AvaloniaList<Node>
|
|
|
+ {
|
|
|
+ new Node
|
|
|
+ {
|
|
|
+ Value = "NewChild1",
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ ApplyTemplates(target);
|
|
|
+
|
|
|
+ Assert.Equal(new[] { "Root" }, ExtractItemHeader(target, 0));
|
|
|
+ Assert.Equal(new[] { "NewChild1" }, ExtractItemHeader(target, 1));
|
|
|
+ }
|
|
|
+
|
|
|
+ [Fact]
|
|
|
+ public void Keyboard_Navigation_Should_Move_To_Last_Selected_Node()
|
|
|
+ {
|
|
|
+ using (Application())
|
|
|
+ {
|
|
|
+ var focus = FocusManager.Instance;
|
|
|
+ var navigation = AvaloniaLocator.Current.GetService<IKeyboardNavigationHandler>();
|
|
|
+ var data = CreateTestTreeData();
|
|
|
+
|
|
|
+ var target = new TreeView
|
|
|
+ {
|
|
|
+ Template = CreateTreeViewTemplate(),
|
|
|
+ Items = data,
|
|
|
+ };
|
|
|
+
|
|
|
+ var button = new Button();
|
|
|
+
|
|
|
+ var root = new TestRoot
|
|
|
+ {
|
|
|
+ Child = new StackPanel
|
|
|
+ {
|
|
|
+ Children = { target, button },
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ CreateNodeDataTemplate(target);
|
|
|
+ ApplyTemplates(target);
|
|
|
+ ExpandAll(target);
|
|
|
+
|
|
|
+ var item = data[0].Children[0];
|
|
|
+ var node = target.TreeContainerFromItem(item);
|
|
|
+ Assert.NotNull(node);
|
|
|
+
|
|
|
+ target.SelectedItem = item;
|
|
|
+ node.Focus();
|
|
|
+ Assert.Same(node, focus.Current);
|
|
|
+
|
|
|
+ navigation.Move(focus.Current, NavigationDirection.Next);
|
|
|
+ Assert.Same(button, focus.Current);
|
|
|
+
|
|
|
+ navigation.Move(focus.Current, NavigationDirection.Next);
|
|
|
+ Assert.Same(node, focus.Current);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ [Fact]
|
|
|
+ public void Keyboard_Navigation_Should_Not_Crash_If_Selected_Item_Is_not_In_Tree()
|
|
|
+ {
|
|
|
+ using (Application())
|
|
|
+ {
|
|
|
+ var focus = FocusManager.Instance;
|
|
|
+ var navigation = AvaloniaLocator.Current.GetService<IKeyboardNavigationHandler>();
|
|
|
+ var data = CreateTestTreeData();
|
|
|
+
|
|
|
+ var selectedNode = new Node { Value = "Out of Tree Selected Item" };
|
|
|
+
|
|
|
+ var target = new TreeView
|
|
|
+ {
|
|
|
+ Template = CreateTreeViewTemplate(),
|
|
|
+ Items = data,
|
|
|
+ SelectedItem = selectedNode
|
|
|
+ };
|
|
|
+
|
|
|
+ var button = new Button();
|
|
|
+
|
|
|
+ var root = new TestRoot
|
|
|
+ {
|
|
|
+ Child = new StackPanel
|
|
|
+ {
|
|
|
+ Children = { target, button },
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ CreateNodeDataTemplate(target);
|
|
|
+ ApplyTemplates(target);
|
|
|
+ ExpandAll(target);
|
|
|
+
|
|
|
+ var item = data[0].Children[0];
|
|
|
+ var node = target.TreeContainerFromItem(item);
|
|
|
+ Assert.NotNull(node);
|
|
|
+
|
|
|
+ target.SelectedItem = selectedNode;
|
|
|
+ node.Focus();
|
|
|
+ Assert.Same(node, focus.Current);
|
|
|
+
|
|
|
+ var next = KeyboardNavigationHandler.GetNext(node, NavigationDirection.Previous);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ [Fact]
|
|
|
+ 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);
|
|
|
+ ExpandAll(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,
|
|
|
+ KeyModifiers = selectAllGesture.KeyModifiers
|
|
|
+ };
|
|
|
+
|
|
|
+ target.RaiseEvent(keyEvent);
|
|
|
+
|
|
|
+ AssertChildrenSelected(target, rootNode);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ [Fact]
|
|
|
+ public void Pressing_SelectAll_Gesture_With_Downward_Range_Selected_Should_Select_All_Nodes()
|
|
|
+ {
|
|
|
+ using (Application())
|
|
|
+ {
|
|
|
+ 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);
|
|
|
+ ExpandAll(target);
|
|
|
+
|
|
|
+ var rootNode = tree[0];
|
|
|
+
|
|
|
+ var from = rootNode.Children[0];
|
|
|
+ var to = rootNode.Children.Last();
|
|
|
+
|
|
|
+ var fromContainer = (TreeViewItem)target.TreeContainerFromItem(from);
|
|
|
+ var toContainer = (TreeViewItem)target.TreeContainerFromItem(to);
|
|
|
+
|
|
|
+ ClickContainer(fromContainer, KeyModifiers.None);
|
|
|
+ ClickContainer(toContainer, KeyModifiers.Shift);
|
|
|
+
|
|
|
+ var keymap = AvaloniaLocator.Current.GetService<PlatformHotkeyConfiguration>();
|
|
|
+ var selectAllGesture = keymap.SelectAll.First();
|
|
|
+
|
|
|
+ var keyEvent = new KeyEventArgs
|
|
|
+ {
|
|
|
+ RoutedEvent = InputElement.KeyDownEvent,
|
|
|
+ Key = selectAllGesture.Key,
|
|
|
+ KeyModifiers = selectAllGesture.KeyModifiers
|
|
|
+ };
|
|
|
+
|
|
|
+ target.RaiseEvent(keyEvent);
|
|
|
+
|
|
|
+ AssertChildrenSelected(target, rootNode);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ [Fact]
|
|
|
+ public void Pressing_SelectAll_Gesture_With_Upward_Range_Selected_Should_Select_All_Nodes()
|
|
|
+ {
|
|
|
+ using (Application())
|
|
|
+ {
|
|
|
+ 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);
|
|
|
+ ExpandAll(target);
|
|
|
+
|
|
|
+ var rootNode = tree[0];
|
|
|
+
|
|
|
+ var from = rootNode.Children.Last();
|
|
|
+ var to = rootNode.Children[0];
|
|
|
+
|
|
|
+ var fromContainer = (TreeViewItem)target.TreeContainerFromItem(from);
|
|
|
+ var toContainer = (TreeViewItem)target.TreeContainerFromItem(to);
|
|
|
+
|
|
|
+ ClickContainer(fromContainer, KeyModifiers.None);
|
|
|
+ ClickContainer(toContainer, KeyModifiers.Shift);
|
|
|
+
|
|
|
+ var keymap = AvaloniaLocator.Current.GetService<PlatformHotkeyConfiguration>();
|
|
|
+ var selectAllGesture = keymap.SelectAll.First();
|
|
|
+
|
|
|
+ var keyEvent = new KeyEventArgs
|
|
|
+ {
|
|
|
+ RoutedEvent = InputElement.KeyDownEvent,
|
|
|
+ Key = selectAllGesture.Key,
|
|
|
+ KeyModifiers = selectAllGesture.KeyModifiers
|
|
|
+ };
|
|
|
+
|
|
|
+ target.RaiseEvent(keyEvent);
|
|
|
+
|
|
|
+ AssertChildrenSelected(target, rootNode);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ [Fact]
|
|
|
+ public void Right_Click_On_SelectedItem_Should_Not_Clear_Existing_Selection()
|
|
|
+ {
|
|
|
+ using (UnitTestApplication.Start())
|
|
|
+ {
|
|
|
+ var tree = CreateTestTreeData();
|
|
|
+ var target = new TreeView
|
|
|
+ {
|
|
|
+ Template = CreateTreeViewTemplate(),
|
|
|
+ Items = tree,
|
|
|
+ SelectionMode = SelectionMode.Multiple,
|
|
|
+ };
|
|
|
+ AvaloniaLocator.CurrentMutable.Bind<PlatformHotkeyConfiguration>().ToConstant(new Mock<PlatformHotkeyConfiguration>().Object);
|
|
|
+ var visualRoot = new TestRoot();
|
|
|
+ visualRoot.Child = target;
|
|
|
+
|
|
|
+ CreateNodeDataTemplate(target);
|
|
|
+ ApplyTemplates(target);
|
|
|
+ target.ExpandSubTree((TreeViewItem)target.Presenter.Panel.Children[0]);
|
|
|
+ target.SelectAll();
|
|
|
+
|
|
|
+ AssertChildrenSelected(target, tree[0]);
|
|
|
+ Assert.Equal(5, target.SelectedItems.Count);
|
|
|
+
|
|
|
+ _mouse.Click((Interactive)target.Presenter.Panel.Children[0], MouseButton.Right);
|
|
|
+
|
|
|
+ Assert.Equal(5, target.SelectedItems.Count);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ [Fact]
|
|
|
+ public void Right_Click_On_UnselectedItem_Should_Clear_Existing_Selection()
|
|
|
+ {
|
|
|
+ using (Application())
|
|
|
+ {
|
|
|
+ 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);
|
|
|
+ target.ExpandSubTree((TreeViewItem)target.Presenter.Panel.Children[0]);
|
|
|
+
|
|
|
+ var rootNode = tree[0];
|
|
|
+ var to = rootNode.Children[0];
|
|
|
+ var then = rootNode.Children[1];
|
|
|
+
|
|
|
+ var fromContainer = (TreeViewItem)target.TreeContainerFromItem(rootNode);
|
|
|
+ var toContainer = (TreeViewItem)target.TreeContainerFromItem(to);
|
|
|
+ var thenContainer = (TreeViewItem)target.TreeContainerFromItem(then);
|
|
|
+
|
|
|
+ ClickContainer(fromContainer, KeyModifiers.None);
|
|
|
+ ClickContainer(toContainer, KeyModifiers.Shift);
|
|
|
+
|
|
|
+ Assert.Equal(2, target.SelectedItems.Count);
|
|
|
+
|
|
|
+ _mouse.Click(thenContainer, MouseButton.Right);
|
|
|
+
|
|
|
+ Assert.Equal(1, target.SelectedItems.Count);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ [Fact]
|
|
|
+ public void Shift_Right_Click_Should_Not_Select_Multiple()
|
|
|
+ {
|
|
|
+ using (Application())
|
|
|
+ {
|
|
|
+ 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);
|
|
|
+ target.ExpandSubTree((TreeViewItem)target.Presenter.Panel.Children[0]);
|
|
|
+
|
|
|
+ var rootNode = tree[0];
|
|
|
+ var from = rootNode.Children[0];
|
|
|
+ var to = rootNode.Children[1];
|
|
|
+ var fromContainer = (TreeViewItem)target.TreeContainerFromItem(from);
|
|
|
+ var toContainer = (TreeViewItem)target.TreeContainerFromItem(to);
|
|
|
+
|
|
|
+ _mouse.Click(fromContainer);
|
|
|
+ _mouse.Click(toContainer, MouseButton.Right, modifiers: KeyModifiers.Shift);
|
|
|
+
|
|
|
+ Assert.Equal(1, target.SelectedItems.Count);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ [Fact]
|
|
|
+ public void Ctrl_Right_Click_Should_Not_Select_Multiple()
|
|
|
+ {
|
|
|
+ using (Application())
|
|
|
+ {
|
|
|
+ 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);
|
|
|
+ target.ExpandSubTree((TreeViewItem)target.Presenter.Panel.Children[0]);
|
|
|
+
|
|
|
+ var rootNode = tree[0];
|
|
|
+ var from = rootNode.Children[0];
|
|
|
+ var to = rootNode.Children[1];
|
|
|
+ var fromContainer = (TreeViewItem)target.TreeContainerFromItem(from);
|
|
|
+ var toContainer = (TreeViewItem)target.TreeContainerFromItem(to);
|
|
|
+
|
|
|
+ _mouse.Click(fromContainer);
|
|
|
+ _mouse.Click(toContainer, MouseButton.Right, modifiers: KeyModifiers.Control);
|
|
|
+
|
|
|
+ Assert.Equal(1, target.SelectedItems.Count);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ [Fact]
|
|
|
+ public void TreeViewItems_Level_Should_Be_Set()
|
|
|
+ {
|
|
|
+ var tree = CreateTestTreeData();
|
|
|
+ var target = new TreeView
|
|
|
+ {
|
|
|
+ Template = CreateTreeViewTemplate(),
|
|
|
+ Items = tree,
|
|
|
+ };
|
|
|
+
|
|
|
+ var visualRoot = new TestRoot();
|
|
|
+ visualRoot.Child = target;
|
|
|
+
|
|
|
+ CreateNodeDataTemplate(target);
|
|
|
+ ApplyTemplates(target);
|
|
|
+ ExpandAll(target);
|
|
|
+
|
|
|
+ Assert.Equal(0, GetItem(target, 0).Level);
|
|
|
+ Assert.Equal(1, GetItem(target, 0, 0).Level);
|
|
|
+ Assert.Equal(1, GetItem(target, 0, 1).Level);
|
|
|
+ Assert.Equal(1, GetItem(target, 0, 2).Level);
|
|
|
+ Assert.Equal(2, GetItem(target, 0, 1, 0).Level);
|
|
|
+ }
|
|
|
+
|
|
|
+ [Fact]
|
|
|
+ public void TreeViewItems_Level_Should_Be_Set_For_Derived_TreeView()
|
|
|
+ {
|
|
|
+ var tree = CreateTestTreeData();
|
|
|
+ var target = new DerivedTreeView
|
|
|
+ {
|
|
|
+ Template = CreateTreeViewTemplate(),
|
|
|
+ Items = tree,
|
|
|
+ };
|
|
|
+
|
|
|
+ var visualRoot = new TestRoot();
|
|
|
+ visualRoot.Child = target;
|
|
|
+
|
|
|
+ CreateNodeDataTemplate(target);
|
|
|
+ ApplyTemplates(target);
|
|
|
+ ExpandAll(target);
|
|
|
+
|
|
|
+ Assert.Equal(0, GetItem(target, 0).Level);
|
|
|
+ Assert.Equal(1, GetItem(target, 0, 0).Level);
|
|
|
+ Assert.Equal(1, GetItem(target, 0, 1).Level);
|
|
|
+ Assert.Equal(1, GetItem(target, 0, 2).Level);
|
|
|
+ Assert.Equal(2, GetItem(target, 0, 1, 0).Level);
|
|
|
+ }
|
|
|
+
|
|
|
+ [Fact]
|
|
|
+ public void Adding_Node_To_Removed_And_ReAdded_Parent_Should_Not_Crash()
|
|
|
+ {
|
|
|
+ // Issue #2985
|
|
|
+ var tree = CreateTestTreeData();
|
|
|
+ var target = new TreeView
|
|
|
+ {
|
|
|
+ Template = CreateTreeViewTemplate(),
|
|
|
+ Items = tree,
|
|
|
+ };
|
|
|
+
|
|
|
+ var visualRoot = new TestRoot();
|
|
|
+ visualRoot.Child = target;
|
|
|
+
|
|
|
+ CreateNodeDataTemplate(target);
|
|
|
+ ApplyTemplates(target);
|
|
|
+ ExpandAll(target);
|
|
|
+
|
|
|
+ var parent = tree[0];
|
|
|
+ var node = parent.Children[1];
|
|
|
+
|
|
|
+ parent.Children.Remove(node);
|
|
|
+ parent.Children.Add(node);
|
|
|
+
|
|
|
+ var item = target.TreeContainerFromItem(node);
|
|
|
+ ApplyTemplates(new[] { item });
|
|
|
+
|
|
|
+ // #2985 causes ArgumentException here.
|
|
|
+ node.Children.Add(new Node());
|
|
|
+ }
|
|
|
+
|
|
|
+ [Fact]
|
|
|
+ public void Auto_Expanding_In_Style_Should_Not_Break_Range_Selection()
|
|
|
+ {
|
|
|
+ // Issue #2980.
|
|
|
+ using (Application())
|
|
|
+ {
|
|
|
+ var target = new DerivedTreeView
|
|
|
+ {
|
|
|
+ Template = CreateTreeViewTemplate(),
|
|
|
+ SelectionMode = SelectionMode.Multiple,
|
|
|
+ Items = new List<Node>
|
|
|
+ {
|
|
|
+ new Node { Value = "Root1", },
|
|
|
+ new Node { Value = "Root2", },
|
|
|
+ },
|
|
|
+ };
|
|
|
+
|
|
|
+ var visualRoot = new TestRoot
|
|
|
+ {
|
|
|
+ Styles =
|
|
|
+ {
|
|
|
+ new Style(x => x.OfType<TreeViewItem>())
|
|
|
+ {
|
|
|
+ Setters =
|
|
|
+ {
|
|
|
+ new Setter(TreeViewItem.IsExpandedProperty, true),
|
|
|
+ },
|
|
|
+ },
|
|
|
+ },
|
|
|
+ Child = target,
|
|
|
+ };
|
|
|
+
|
|
|
+ CreateNodeDataTemplate(target);
|
|
|
+ ApplyTemplates(target);
|
|
|
+
|
|
|
+ _mouse.Click(GetItem(target, 0));
|
|
|
+ _mouse.Click(GetItem(target, 1), modifiers: KeyModifiers.Shift);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ [Fact]
|
|
|
+ public void Removing_TreeView_From_Root_Should_Preserve_TreeViewItems()
|
|
|
+ {
|
|
|
+ // Issue #3328
|
|
|
+ var tree = CreateTestTreeData();
|
|
|
+ var target = new TreeView
|
|
|
+ {
|
|
|
+ Template = CreateTreeViewTemplate(),
|
|
|
+ Items = tree,
|
|
|
+ };
|
|
|
+
|
|
|
+ var root = new TestRoot();
|
|
|
+ root.Child = target;
|
|
|
+
|
|
|
+ CreateNodeDataTemplate(target);
|
|
|
+ ApplyTemplates(target);
|
|
|
+ ExpandAll(target);
|
|
|
+
|
|
|
+ Assert.Equal(5, target.GetRealizedTreeContainers().Count());
|
|
|
+
|
|
|
+ root.Child = null;
|
|
|
+
|
|
|
+ Assert.Equal(5, target.GetRealizedTreeContainers().Count());
|
|
|
+ Assert.Equal(1, target.Presenter.Panel.Children.Count);
|
|
|
+
|
|
|
+ var rootNode = Assert.IsType<TreeViewItem>(target.Presenter.Panel.Children[0]);
|
|
|
+ Assert.Equal(3, rootNode.GetRealizedContainers().Count());
|
|
|
+ Assert.Equal(3, rootNode.Presenter.Panel.Children.Count);
|
|
|
+
|
|
|
+ var child2Node = Assert.IsType<TreeViewItem>(rootNode.Presenter.Panel.Children[1]);
|
|
|
+ Assert.Equal(1, child2Node.GetRealizedContainers().Count());
|
|
|
+ Assert.Equal(1, child2Node.Presenter.Panel.Children.Count);
|
|
|
+ }
|
|
|
+
|
|
|
+ [Fact]
|
|
|
+ public void Clearing_TreeView_Items_Clears_Index()
|
|
|
+ {
|
|
|
+ // Issue #3551
|
|
|
+ var tree = CreateTestTreeData();
|
|
|
+ var target = new TreeView
|
|
|
+ {
|
|
|
+ Template = CreateTreeViewTemplate(),
|
|
|
+ Items = tree,
|
|
|
+ };
|
|
|
+
|
|
|
+ var root = new TestRoot();
|
|
|
+ root.Child = target;
|
|
|
+
|
|
|
+ CreateNodeDataTemplate(target);
|
|
|
+ ApplyTemplates(target);
|
|
|
+
|
|
|
+ var rootNode = tree[0];
|
|
|
+ var container = (TreeViewItem)target.TreeContainerFromItem(rootNode);
|
|
|
+
|
|
|
+ Assert.NotNull(container);
|
|
|
+
|
|
|
+ root.Child = null;
|
|
|
+
|
|
|
+ tree.Clear();
|
|
|
+
|
|
|
+ Assert.Empty(target.GetRealizedContainers());
|
|
|
+ }
|
|
|
+
|
|
|
+ [Fact]
|
|
|
+ public void Can_Use_Derived_TreeViewItem()
|
|
|
+ {
|
|
|
+ var tree = CreateTestTreeData();
|
|
|
+ var target = new DerivedTreeViewWithDerivedTreeViewItems
|
|
|
+ {
|
|
|
+ Template = CreateTreeViewTemplate(),
|
|
|
+ Items = tree,
|
|
|
+ };
|
|
|
+
|
|
|
+ ApplyTemplates(target);
|
|
|
+
|
|
|
+ // Verify that all items are DerivedTreeViewItem
|
|
|
+ foreach (var container in target.GetRealizedTreeContainers())
|
|
|
+ {
|
|
|
+ Assert.IsType<DerivedTreeViewItem>(container);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private void ApplyTemplates(TreeView tree)
|
|
|
+ {
|
|
|
+ tree.ApplyTemplate();
|
|
|
+ tree.Presenter.ApplyTemplate();
|
|
|
+ ApplyTemplates(tree.Presenter.Panel.Children);
|
|
|
+ }
|
|
|
+
|
|
|
+ private void ApplyTemplates(IEnumerable<Control> controls)
|
|
|
+ {
|
|
|
+ foreach (TreeViewItem control in controls)
|
|
|
+ {
|
|
|
+ control.Template = CreateTreeViewItemTemplate();
|
|
|
+ control.ApplyTemplate();
|
|
|
+ control.Presenter.ApplyTemplate();
|
|
|
+ ((ContentPresenter)control.HeaderPresenter).UpdateChild();
|
|
|
+ ApplyTemplates(control.Presenter.Panel.Children);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private TreeViewItem GetItem(TreeView target, params int[] indexes)
|
|
|
+ {
|
|
|
+ var c = (ItemsControl)target;
|
|
|
+
|
|
|
+ foreach (var index in indexes)
|
|
|
+ {
|
|
|
+ var item = ((IList)c.Items)[index];
|
|
|
+ c = (ItemsControl)target.TreeContainerFromItem(item);
|
|
|
+ }
|
|
|
+
|
|
|
+ return (TreeViewItem)c;
|
|
|
+ }
|
|
|
+
|
|
|
+ private IList<Node> CreateTestTreeData()
|
|
|
+ {
|
|
|
+ return new AvaloniaList<Node>
|
|
|
+ {
|
|
|
+ new Node
|
|
|
+ {
|
|
|
+ Value = "Root",
|
|
|
+ Children = new AvaloniaList<Node>
|
|
|
+ {
|
|
|
+ new Node
|
|
|
+ {
|
|
|
+ Value = "Child1",
|
|
|
+ },
|
|
|
+ new Node
|
|
|
+ {
|
|
|
+ Value = "Child2",
|
|
|
+ Children = new AvaloniaList<Node>
|
|
|
+ {
|
|
|
+ new Node
|
|
|
+ {
|
|
|
+ Value = "Grandchild2a",
|
|
|
+ },
|
|
|
+ },
|
|
|
+ },
|
|
|
+ new Node
|
|
|
+ {
|
|
|
+ Value = "Child3",
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ };
|
|
|
+ }
|
|
|
+
|
|
|
+ private void CreateNodeDataTemplate(Control control)
|
|
|
+ {
|
|
|
+ control.DataTemplates.Add(new TestTreeDataTemplate());
|
|
|
+ }
|
|
|
+
|
|
|
+ private IControlTemplate CreateTreeViewTemplate()
|
|
|
+ {
|
|
|
+ return new FuncControlTemplate<TreeView>((parent, scope) => new ItemsPresenter
|
|
|
+ {
|
|
|
+ Name = "PART_ItemsPresenter",
|
|
|
+ }.RegisterInNameScope(scope));
|
|
|
+ }
|
|
|
+
|
|
|
+ private IControlTemplate CreateTreeViewItemTemplate()
|
|
|
+ {
|
|
|
+ return new FuncControlTemplate<TreeViewItem>((parent, scope) => new Panel
|
|
|
+ {
|
|
|
+ Children =
|
|
|
+ {
|
|
|
+ new ContentPresenter
|
|
|
+ {
|
|
|
+ Name = "PART_HeaderPresenter",
|
|
|
+ [~ContentPresenter.ContentProperty] = parent[~TreeViewItem.HeaderProperty],
|
|
|
+ [~ContentPresenter.ContentTemplateProperty] = parent[~TreeViewItem.HeaderTemplateProperty],
|
|
|
+ }.RegisterInNameScope(scope),
|
|
|
+ new ItemsPresenter
|
|
|
+ {
|
|
|
+ Name = "PART_ItemsPresenter",
|
|
|
+ }.RegisterInNameScope(scope)
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ private void ExpandAll(TreeView tree)
|
|
|
+ {
|
|
|
+ foreach (var i in tree.GetRealizedContainers())
|
|
|
+ {
|
|
|
+ tree.ExpandSubTree((TreeViewItem)i);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private List<string> ExtractItemHeader(TreeView tree, int level)
|
|
|
+ {
|
|
|
+ return ExtractItemContent(tree.Presenter.Panel, 0, level)
|
|
|
+ .Select(x => x.HeaderPresenter.Child)
|
|
|
+ .OfType<TextBlock>()
|
|
|
+ .Select(x => x.Text)
|
|
|
+ .ToList();
|
|
|
+ }
|
|
|
+
|
|
|
+ private IEnumerable<TreeViewItem> ExtractItemContent(Panel panel, int currentLevel, int level)
|
|
|
+ {
|
|
|
+ foreach (TreeViewItem container in panel.Children)
|
|
|
+ {
|
|
|
+ if (container.Template == null)
|
|
|
+ {
|
|
|
+ container.Template = CreateTreeViewItemTemplate();
|
|
|
+ container.ApplyTemplate();
|
|
|
+ }
|
|
|
+
|
|
|
+ if (currentLevel == level)
|
|
|
+ {
|
|
|
+ yield return container;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ foreach (var child in ExtractItemContent(container.Presenter.Panel, currentLevel + 1, level))
|
|
|
+ {
|
|
|
+ yield return child;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private void ClickContainer(Control container, KeyModifiers modifiers)
|
|
|
+ {
|
|
|
+ _mouse.Click(container, modifiers: modifiers);
|
|
|
+ }
|
|
|
+
|
|
|
+ private void AssertChildrenSelected(TreeView treeView, Node rootNode)
|
|
|
+ {
|
|
|
+ foreach (var child in rootNode.Children)
|
|
|
+ {
|
|
|
+ var container = (TreeViewItem)treeView.TreeContainerFromItem(child);
|
|
|
+
|
|
|
+ Assert.True(container.IsSelected);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private IDisposable Application()
|
|
|
+ {
|
|
|
+ return UnitTestApplication.Start(
|
|
|
+ TestServices.MockThreadingInterface.With(
|
|
|
+ focusManager: new FocusManager(),
|
|
|
+ keyboardDevice: () => new KeyboardDevice(),
|
|
|
+ keyboardNavigation: new KeyboardNavigationHandler(),
|
|
|
+ inputManager: new InputManager()));
|
|
|
+ }
|
|
|
+
|
|
|
+ private class Node : NotifyingBase
|
|
|
+ {
|
|
|
+ private IAvaloniaList<Node> _children;
|
|
|
+
|
|
|
+ public string Value { get; set; }
|
|
|
+
|
|
|
+ public IAvaloniaList<Node> Children
|
|
|
+ {
|
|
|
+ get
|
|
|
+ {
|
|
|
+ return _children;
|
|
|
+ }
|
|
|
+
|
|
|
+ set
|
|
|
+ {
|
|
|
+ _children = value;
|
|
|
+ RaisePropertyChanged(nameof(Children));
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private class TestTreeDataTemplate : ITreeDataTemplate
|
|
|
+ {
|
|
|
+ public Control Build(object param)
|
|
|
+ {
|
|
|
+ var node = (Node)param;
|
|
|
+ return new TextBlock { Text = node.Value };
|
|
|
+ }
|
|
|
+
|
|
|
+ public InstancedBinding ItemsSelector(object item)
|
|
|
+ {
|
|
|
+ var obs = ExpressionObserver.Create(item, o => (o as Node).Children);
|
|
|
+ return InstancedBinding.OneWay(obs);
|
|
|
+ }
|
|
|
+
|
|
|
+ public bool Match(object data)
|
|
|
+ {
|
|
|
+ return data is Node;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private class DerivedTreeView : TreeView
|
|
|
+ {
|
|
|
+ }
|
|
|
+
|
|
|
+ private class DerivedTreeViewWithDerivedTreeViewItems : TreeView
|
|
|
+ {
|
|
|
+ protected internal override Control CreateContainerOverride() => new DerivedTreeViewItem();
|
|
|
+ }
|
|
|
+
|
|
|
+ private class DerivedTreeViewItem : TreeViewItem
|
|
|
+ {
|
|
|
+ }
|
|
|
+
|
|
|
+ private class TestDataContext : INotifyPropertyChanged
|
|
|
+ {
|
|
|
+ private string _selectedItem;
|
|
|
+
|
|
|
+ public TestDataContext()
|
|
|
+ {
|
|
|
+ Items = new ObservableCollection<string>(Enumerable.Range(0, 5).Select(i => $"Item {i}"));
|
|
|
+ }
|
|
|
+
|
|
|
+ public ObservableCollection<string> Items { get; }
|
|
|
+
|
|
|
+ public string SelectedItem
|
|
|
+ {
|
|
|
+ get { return _selectedItem; }
|
|
|
+ set
|
|
|
+ {
|
|
|
+ _selectedItem = value;
|
|
|
+ PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(SelectedItem)));
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ public event PropertyChangedEventHandler PropertyChanged;
|
|
|
+
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
Steven Kirk