mirror of
https://github.com/AtomUI/AtomUI.git
synced 2026-10-19 06:58:57 +08:00
chinboy
588 lines
20 KiB
C#
588 lines
20 KiB
C#
using System.Collections.ObjectModel;
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using System.ComponentModel;
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using AtomUI.Controls;
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using AtomUI.Controls.Primitives;
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using Avalonia;
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using Avalonia.Controls;
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using Avalonia.Controls.Primitives;
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using Avalonia.Data;
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using Avalonia.Threading;
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using Avalonia.VisualTree;
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using Shouldly;
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using Xunit;
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using AvaloniaWindow = Avalonia.Controls.Window;
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namespace AtomUI.Desktop.Controls.Tests.TreeSelectControl;
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public class TreeSelectSelectionBindingTests
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{
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static TreeSelectSelectionBindingTests()
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{
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AvaloniaTestApp.EnsureInitialized();
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}
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[Fact]
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public void SelectedValueProperties_Are_TwoWay_And_DataValidation_Enabled()
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{
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var selectedItemMetadata = Desktop.Controls.TreeSelect.SelectedItemProperty.GetMetadata(
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typeof(Desktop.Controls.TreeSelect));
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var selectedItemsMetadata = Desktop.Controls.TreeSelect.SelectedItemsProperty.GetMetadata(
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typeof(Desktop.Controls.TreeSelect));
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selectedItemMetadata.DefaultBindingMode.ShouldBe(BindingMode.TwoWay);
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selectedItemMetadata.EnableDataValidation.ShouldBe(true);
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selectedItemsMetadata.DefaultBindingMode.ShouldBe(BindingMode.TwoWay);
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selectedItemsMetadata.EnableDataValidation.ShouldBe(true);
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}
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[Fact]
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public void SelectedItem_DefaultBindingMode_Updates_ViewModel()
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{
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var firstNode = new TreeItemNode
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{
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Header = "First",
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Value = "first"
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};
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var secondNode = new TreeItemNode
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{
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Header = "Second",
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Value = "second"
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};
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var viewModel = new TreeSelectBindingViewModel
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{
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SelectedItem = firstNode
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};
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var treeSelect = new Desktop.Controls.TreeSelect
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{
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Width = 240,
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IsDefaultExpandAll = true,
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IsMotionEnabled = false,
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ItemsSource = [firstNode, secondNode],
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PlaceholderText = "Please select"
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};
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treeSelect.Bind(
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Desktop.Controls.TreeSelect.SelectedItemProperty,
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new Binding(nameof(TreeSelectBindingViewModel.SelectedItem))
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{
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Source = viewModel
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});
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ShowInWindow(treeSelect, () =>
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{
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treeSelect.SelectedItem.ShouldBeSameAs(firstNode);
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treeSelect.SelectedItem = secondNode;
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Dispatcher.UIThread.RunJobs();
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viewModel.SelectedItem.ShouldBeSameAs(secondNode);
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});
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}
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[Fact]
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public void SelectedItems_DefaultBindingMode_Updates_ViewModel()
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{
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var firstNode = new TreeItemNode
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{
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Header = "First",
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Value = "first"
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};
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var secondNode = new TreeItemNode
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{
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Header = "Second",
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Value = "second"
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};
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var viewModel = new TreeSelectBindingViewModel
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{
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SelectedItems = new List<ITreeItemNode> { firstNode }
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};
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var treeSelect = new Desktop.Controls.TreeSelect
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{
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Width = 240,
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IsDefaultExpandAll = true,
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IsMotionEnabled = false,
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IsMultiple = true,
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ItemsSource = [firstNode, secondNode],
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PlaceholderText = "Please select"
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};
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treeSelect.Bind(
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Desktop.Controls.TreeSelect.SelectedItemsProperty,
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new Binding(nameof(TreeSelectBindingViewModel.SelectedItems))
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{
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Source = viewModel
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});
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ShowInWindow(treeSelect, () =>
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{
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treeSelect.SelectedItems.ShouldBeSameAs(viewModel.SelectedItems);
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treeSelect.SelectedItems = new List<ITreeItemNode> { firstNode, secondNode };
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Dispatcher.UIThread.RunJobs();
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viewModel.SelectedItems.ShouldNotBeNull();
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viewModel.SelectedItems.ShouldBe([firstNode, secondNode]);
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});
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}
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[Fact]
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public void SelectedItems_ObservableCollection_Mutation_Refreshes_Result_And_TreeView_Selection()
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{
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var firstNode = new TreeItemNode
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{
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Header = "First",
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Value = "first"
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};
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var secondNode = new TreeItemNode
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{
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Header = "Second",
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Value = "second"
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};
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var viewModel = new TreeSelectBindingViewModel
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{
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SelectedItems = new ObservableCollection<ITreeItemNode>
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{
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firstNode
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}
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};
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var treeSelect = new Desktop.Controls.TreeSelect
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{
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Width = 240,
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IsDefaultExpandAll = true,
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IsMotionEnabled = false,
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IsMultiple = true,
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IsAllowClear = true,
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IsShowMaxCountIndicator = true,
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MaxCount = 5,
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ItemsSource = [firstNode, secondNode],
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PlaceholderText = "Please select"
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};
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treeSelect.Bind(
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Desktop.Controls.TreeSelect.SelectedItemsProperty,
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new Binding(nameof(TreeSelectBindingViewModel.SelectedItems))
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{
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Source = viewModel,
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Mode = BindingMode.TwoWay
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});
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ShowInWindow(treeSelect, () =>
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{
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FindSelectTag(treeSelect, "First").ShouldNotBeNull();
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treeSelect.SelectedCount.ShouldBe(1);
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var formValueChangedCount = 0;
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((IFormItemAware)treeSelect).ValueChanged += (_, _) => formValueChangedCount++;
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treeSelect.IsDropDownOpen = true;
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Dispatcher.UIThread.RunJobs();
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var treeView = GetPopupTreeView(treeSelect);
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treeView.SelectedItems.Cast<ITreeItemNode>().ShouldContain(firstNode);
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viewModel.SelectedItems!.Add(secondNode);
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Dispatcher.UIThread.RunJobs();
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formValueChangedCount.ShouldBe(1);
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treeSelect.EffectiveSelectedItems.ShouldNotBeNull();
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treeSelect.EffectiveSelectedItems.ShouldBe([firstNode, secondNode]);
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treeSelect.SelectedCount.ShouldBe(2);
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FindSelectTag(treeSelect, "Second").ShouldNotBeNull();
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treeView.SelectedItems.Cast<ITreeItemNode>().ShouldContain(secondNode);
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viewModel.SelectedItems.Remove(firstNode);
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Dispatcher.UIThread.RunJobs();
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formValueChangedCount.ShouldBe(2);
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treeSelect.EffectiveSelectedItems.ShouldNotBeNull();
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treeSelect.EffectiveSelectedItems.ShouldBe([secondNode]);
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treeSelect.SelectedCount.ShouldBe(1);
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treeSelect.GetVisualDescendants()
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.OfType<SelectTag>()
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.ShouldNotContain(tag => tag.Text == "First");
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treeView.SelectedItems.Cast<ITreeItemNode>().ShouldNotContain(firstNode);
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viewModel.SelectedItems.Clear();
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Dispatcher.UIThread.RunJobs();
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formValueChangedCount.ShouldBe(3);
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treeSelect.EffectiveSelectedItems.ShouldNotBeNull();
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treeSelect.EffectiveSelectedItems.ShouldBeEmpty();
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treeSelect.SelectedCount.ShouldBe(0);
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treeSelect.IsSelectionEmpty.ShouldBeTrue();
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treeView.SelectedItems.Cast<ITreeItemNode>().ShouldBeEmpty();
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});
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}
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[Fact]
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public void SelectedItems_Mutation_Before_First_Popup_Open_Preserves_All_Selected_Items()
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{
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var firstNode = new TreeItemNode
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{
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Header = "First",
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Value = "first"
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};
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var secondNode = new TreeItemNode
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{
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Header = "Second",
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Value = "second"
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};
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var viewModel = new TreeSelectBindingViewModel
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{
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SelectedItems = new ObservableCollection<ITreeItemNode>()
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};
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var treeSelect = new Desktop.Controls.TreeSelect
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{
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Width = 240,
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IsDefaultExpandAll = true,
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IsMotionEnabled = false,
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IsMultiple = true,
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IsAllowClear = true,
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ItemsSource = [firstNode, secondNode],
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PlaceholderText = "Please select"
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};
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treeSelect.Bind(
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Desktop.Controls.TreeSelect.SelectedItemsProperty,
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new Binding(nameof(TreeSelectBindingViewModel.SelectedItems))
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{
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Source = viewModel,
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Mode = BindingMode.TwoWay
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});
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ShowInWindow(treeSelect, () =>
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{
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viewModel.SelectedItems!.Add(firstNode);
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viewModel.SelectedItems.Add(secondNode);
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Dispatcher.UIThread.RunJobs();
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treeSelect.SelectedItems.ShouldBe([firstNode, secondNode]);
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FindSelectTag(treeSelect, "First").ShouldNotBeNull();
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FindSelectTag(treeSelect, "Second").ShouldNotBeNull();
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treeSelect.IsDropDownOpen = true;
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Dispatcher.UIThread.RunJobs();
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treeSelect.SelectedItems.ShouldBe([firstNode, secondNode]);
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FindSelectTag(treeSelect, "First").ShouldNotBeNull();
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FindSelectTag(treeSelect, "Second").ShouldNotBeNull();
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var treeView = GetPopupTreeView(treeSelect);
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treeView.SelectedItems.Cast<ITreeItemNode>().ShouldContain(firstNode);
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treeView.SelectedItems.Cast<ITreeItemNode>().ShouldContain(secondNode);
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});
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}
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[Fact]
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public void SelectedItems_ObservableCollection_Mutation_Refreshes_Checkable_TreeView()
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{
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var firstNode = new TreeItemNode
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{
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Header = "First",
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Value = "first"
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};
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var secondNode = new TreeItemNode
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{
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Header = "Second",
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Value = "second"
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};
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var viewModel = new TreeSelectBindingViewModel
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{
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SelectedItems = new ObservableCollection<ITreeItemNode>
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{
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firstNode
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}
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};
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var treeSelect = new Desktop.Controls.TreeSelect
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{
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Width = 240,
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IsDefaultExpandAll = true,
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IsMotionEnabled = false,
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IsTreeCheckable = true,
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ItemsSource = [firstNode, secondNode],
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PlaceholderText = "Please select"
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};
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treeSelect.Bind(
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Desktop.Controls.TreeSelect.SelectedItemsProperty,
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new Binding(nameof(TreeSelectBindingViewModel.SelectedItems))
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{
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Source = viewModel,
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Mode = BindingMode.TwoWay
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});
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ShowInWindow(treeSelect, () =>
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{
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treeSelect.IsDropDownOpen = true;
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Dispatcher.UIThread.RunJobs();
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var treeView = GetPopupTreeView(treeSelect);
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treeView.CheckedItems.Cast<ITreeItemNode>().ShouldContain(firstNode);
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viewModel.SelectedItems!.Add(secondNode);
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Dispatcher.UIThread.RunJobs();
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treeSelect.EffectiveSelectedItems.ShouldNotBeNull();
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treeSelect.EffectiveSelectedItems.ShouldBe([firstNode, secondNode]);
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FindSelectTag(treeSelect, "Second").ShouldNotBeNull();
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treeView.CheckedItems.Cast<ITreeItemNode>().ShouldContain(secondNode);
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viewModel.SelectedItems.Remove(firstNode);
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Dispatcher.UIThread.RunJobs();
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treeSelect.EffectiveSelectedItems.ShouldNotBeNull();
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treeSelect.EffectiveSelectedItems.ShouldBe([secondNode]);
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treeView.CheckedItems.Cast<ITreeItemNode>().ShouldNotContain(firstNode);
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});
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}
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[Fact]
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public void CheckedItems_Popup_Reopen_Continues_To_Sync_Cascading_Selection()
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{
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var firstChild = new TreeItemNode { Header = "First", Value = "first" };
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var secondChild = new TreeItemNode { Header = "Second", Value = "second" };
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var parentNode = new TreeItemNode
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{
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Header = "Parent",
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Value = "parent",
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Children = [firstChild, secondChild]
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};
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var viewModel = new TreeSelectBindingViewModel
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{
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SelectedItems = new ObservableCollection<ITreeItemNode>()
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};
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var treeSelect = new Desktop.Controls.TreeSelect
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{
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Width = 240,
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IsDefaultExpandAll = true,
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IsMotionEnabled = false,
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IsTreeCheckable = true,
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ItemsSource = [parentNode],
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PlaceholderText = "Please select"
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};
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treeSelect.Bind(
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Desktop.Controls.TreeSelect.SelectedItemsProperty,
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new Binding(nameof(TreeSelectBindingViewModel.SelectedItems))
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{
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Source = viewModel,
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Mode = BindingMode.TwoWay
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});
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ShowInWindow(treeSelect, () =>
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{
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treeSelect.IsDropDownOpen = true;
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Dispatcher.UIThread.RunJobs();
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var treeView = GetPopupTreeView(treeSelect);
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var parentContainer = treeView.ContainerFromItem(parentNode)
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.ShouldBeAssignableTo<Desktop.Controls.TreeViewItem>()!;
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parentContainer.ContainerFromItem(firstChild)
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.ShouldBeAssignableTo<Desktop.Controls.TreeViewItem>();
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treeSelect.IsDropDownOpen = false;
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Dispatcher.UIThread.RunJobs();
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treeSelect.IsDropDownOpen = true;
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Dispatcher.UIThread.RunJobs();
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var reopenedParentContainer = treeView.ContainerFromItem(parentNode)
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.ShouldBeAssignableTo<Desktop.Controls.TreeViewItem>()!;
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var secondContainer = reopenedParentContainer.ContainerFromItem(secondChild)
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.ShouldBeAssignableTo<Desktop.Controls.TreeViewItem>();
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secondContainer!.SetCurrentValue(Desktop.Controls.TreeViewItem.IsCheckedProperty, true);
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Dispatcher.UIThread.RunJobs();
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treeView.CheckedItems.Cast<ITreeItemNode>().ShouldContain(secondChild);
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treeSelect.SelectedItems.ShouldNotBeNull();
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treeSelect.SelectedItems.ShouldContain(secondChild);
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viewModel.SelectedItems.ShouldNotBeNull();
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viewModel.SelectedItems.ShouldContain(secondChild);
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});
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}
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[Fact]
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public void BindableNode_Popup_Reopen_Continues_To_Sync_Node_State()
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{
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var node = new BindableTreeItemNode
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{
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Header = "Node",
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Value = "node",
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IsChecked = false
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};
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var treeSelect = new Desktop.Controls.TreeSelect
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{
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Width = 240,
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IsDefaultExpandAll = true,
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IsMotionEnabled = false,
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IsTreeCheckable = true,
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ItemsSource = [node],
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PlaceholderText = "Please select"
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};
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ShowInWindow(treeSelect, () =>
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{
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treeSelect.IsDropDownOpen = true;
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Dispatcher.UIThread.RunJobs();
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var treeView = GetPopupTreeView(treeSelect);
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var container = treeView.ContainerFromItem(node)
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.ShouldBeAssignableTo<Desktop.Controls.TreeViewItem>()!;
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treeSelect.IsDropDownOpen = false;
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Dispatcher.UIThread.RunJobs();
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treeSelect.IsDropDownOpen = true;
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Dispatcher.UIThread.RunJobs();
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var reopenedContainer = treeView.ContainerFromItem(node)
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.ShouldBeAssignableTo<Desktop.Controls.TreeViewItem>()!;
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reopenedContainer.ShouldBeSameAs(container);
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reopenedContainer.SetCurrentValue(Desktop.Controls.TreeViewItem.IsCheckedProperty, true);
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Dispatcher.UIThread.RunJobs();
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node.IsChecked.ShouldBe(true);
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});
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}
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[Fact]
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public void BindableNode_With_Children_Popup_Reopen_Preserves_Child_Containers_And_Binding()
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{
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var child = new BindableTreeItemNode
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{
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Header = "Child",
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Value = "child"
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};
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var parent = new BindableTreeItemNode
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{
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Header = "Parent",
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Value = "parent",
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Children = [child]
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};
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var treeSelect = new Desktop.Controls.TreeSelect
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{
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Width = 240,
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IsDefaultExpandAll = true,
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IsMotionEnabled = false,
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IsTreeCheckable = true,
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ItemsSource = [parent],
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PlaceholderText = "Please select"
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};
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ShowInWindow(treeSelect, () =>
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{
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treeSelect.IsDropDownOpen = true;
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Dispatcher.UIThread.RunJobs();
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var treeView = GetPopupTreeView(treeSelect);
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var parentContainer = treeView.ContainerFromItem(parent)
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.ShouldBeAssignableTo<Desktop.Controls.TreeViewItem>()!;
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var childContainer = parentContainer.ContainerFromItem(child)
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.ShouldBeAssignableTo<Desktop.Controls.TreeViewItem>()!;
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treeSelect.IsDropDownOpen = false;
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Dispatcher.UIThread.RunJobs();
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treeSelect.IsDropDownOpen = true;
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Dispatcher.UIThread.RunJobs();
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var reopenedParentContainer = treeView.ContainerFromItem(parent)
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.ShouldBeAssignableTo<Desktop.Controls.TreeViewItem>()!;
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var reopenedChildContainer = reopenedParentContainer.ContainerFromItem(child)
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.ShouldBeAssignableTo<Desktop.Controls.TreeViewItem>()!;
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reopenedChildContainer.SetCurrentValue(Desktop.Controls.TreeViewItem.IsCheckedProperty, true);
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Dispatcher.UIThread.RunJobs();
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child.IsChecked.ShouldBe(true);
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});
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}
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private static void ShowInWindow(Control content, Action assertion)
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{
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var overlayPanel = new ScopeAwareOverlayLayerPanel
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{
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Width = 420,
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Height = 320
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};
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overlayPanel.Children.Add(content);
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var visualLayerManager = new VisualLayerManager
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{
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Child = overlayPanel
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};
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EnablePopupOverlayLayer(visualLayerManager);
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var window = new AvaloniaWindow
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{
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Width = 420,
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Height = 320,
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Content = visualLayerManager
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};
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try
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{
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window.Show();
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Dispatcher.UIThread.RunJobs();
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assertion();
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}
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finally
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{
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window.Close();
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}
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}
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private static Desktop.Controls.TreeView GetPopupTreeView(Desktop.Controls.TreeSelect treeSelect)
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{
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var field = typeof(Desktop.Controls.TreeSelect).GetField(
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"_treeView",
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System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic);
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field.ShouldNotBeNull();
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var treeView = field.GetValue(treeSelect) as Desktop.Controls.TreeView;
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treeView.ShouldNotBeNull();
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return treeView!;
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}
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private static SelectTag? FindSelectTag(Visual root, string text)
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{
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return root.GetVisualDescendants()
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.OfType<SelectTag>()
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.FirstOrDefault(tag => tag.Text == text);
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}
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private static void EnablePopupOverlayLayer(VisualLayerManager visualLayerManager)
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{
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var property = typeof(VisualLayerManager).GetProperty(
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"EnablePopupOverlayLayer",
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System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic);
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property.ShouldNotBeNull();
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property.SetValue(visualLayerManager, true);
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}
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private sealed class TreeSelectBindingViewModel : INotifyPropertyChanged
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{
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private ITreeItemNode? _selectedItem;
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private IList<ITreeItemNode>? _selectedItems;
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public event PropertyChangedEventHandler? PropertyChanged;
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public ITreeItemNode? SelectedItem
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{
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get => _selectedItem;
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set
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{
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if (ReferenceEquals(_selectedItem, value))
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{
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return;
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}
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_selectedItem = value;
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(SelectedItem)));
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}
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}
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public IList<ITreeItemNode>? SelectedItems
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{
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get => _selectedItems;
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set
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{
|
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if (ReferenceEquals(_selectedItems, value))
|
|
{
|
|
return;
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}
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_selectedItems = value;
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(SelectedItems)));
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}
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}
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}
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}
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