Max Katz
3 years ago
committed by
GitHub
GitHub
11 changed files with 758 additions and 53 deletions
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using System; |
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using Avalonia.Automation.Peers; |
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using Avalonia.Automation.Provider; |
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using Avalonia.Controls.Primitives; |
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namespace Avalonia.Controls.Automation.Peers |
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{ |
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public class ProgressBarAutomationPeer : RangeBaseAutomationPeer, IRangeValueProvider |
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{ |
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public ProgressBarAutomationPeer(RangeBase owner) : base(owner) |
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{ |
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} |
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protected override string GetClassNameCore() |
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{ |
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return "ProgressBar"; |
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} |
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protected override AutomationControlType GetAutomationControlTypeCore() |
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{ |
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return AutomationControlType.ProgressBar; |
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} |
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/// <summary>
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/// Request to set the value that this UI element is representing
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/// </summary>
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/// <param name="val">Value to set the UI to, as an object</param>
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/// <returns>true if the UI element was successfully set to the specified value</returns>
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void IRangeValueProvider.SetValue(double val) |
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{ |
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throw new InvalidOperationException("ProgressBar is ReadOnly, value can't be set."); |
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} |
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///<summary>Indicates that the value can only be read, not modified.
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///returns True if the control is read-only</summary>
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bool IRangeValueProvider.IsReadOnly |
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{ |
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get |
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{ |
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return true; |
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} |
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} |
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///<summary>Value of a Large Change</summary>
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double IRangeValueProvider.LargeChange |
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{ |
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get |
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{ |
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return double.NaN; |
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} |
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} |
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///<summary>Value of a Small Change</summary>
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double IRangeValueProvider.SmallChange |
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{ |
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get |
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{ |
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return double.NaN; |
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} |
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} |
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} |
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} |
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@ -0,0 +1,330 @@ |
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using System; |
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using System.Collections.Generic; |
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using System.Linq; |
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using System.Text; |
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using System.Threading.Tasks; |
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using Avalonia.Controls.Presenters; |
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using Avalonia.Controls.Primitives; |
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using Avalonia.Controls.Templates; |
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using Avalonia.Data; |
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using Avalonia.Styling; |
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using Avalonia.UnitTests; |
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using Xunit; |
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namespace Avalonia.Controls.UnitTests.Primitives |
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{ |
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public class SelectingItemsControlTests_SelectedValue |
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{ |
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[Fact] |
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public void Setting_SelectedItem_Sets_SelectedValue() |
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{ |
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var items = TestClass.GetItems(); |
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var sic = new SelectingItemsControl |
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{ |
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Items = items, |
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SelectedValueBinding = new Binding("Name"), |
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Template = Template() |
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}; |
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sic.SelectedItem = items[0]; |
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Assert.Equal(items[0].Name, sic.SelectedValue); |
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} |
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[Fact] |
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public void Setting_SelectedIndex_Sets_SelectedValue() |
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{ |
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var items = TestClass.GetItems(); |
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var sic = new SelectingItemsControl |
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{ |
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Items = items, |
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SelectedValueBinding = new Binding("Name"), |
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Template = Template() |
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}; |
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sic.SelectedIndex = 0; |
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Assert.Equal(items[0].Name, sic.SelectedValue); |
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} |
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[Fact] |
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public void Setting_SelectedItems_Sets_SelectedValue() |
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{ |
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var items = TestClass.GetItems(); |
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var sic = new ListBox |
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{ |
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Items = items, |
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SelectedValueBinding = new Binding("Name"), |
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Template = Template() |
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}; |
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sic.SelectedItems = new List<TestClass> |
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{ |
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items[1], |
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items[3], |
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items[4] |
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}; |
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// When interacting, SelectedItem is the first item in the SelectedItems collection
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// But when set here, it's the last
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Assert.Equal(items[4].Name, sic.SelectedValue); |
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} |
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[Fact] |
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public void Setting_SelectedValue_Sets_SelectedIndex() |
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{ |
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using (UnitTestApplication.Start(TestServices.StyledWindow)) |
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{ |
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var items = TestClass.GetItems(); |
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var sic = new SelectingItemsControl |
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{ |
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Items = items, |
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SelectedValueBinding = new Binding("Name"), |
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Template = Template() |
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}; |
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Prepare(sic); |
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sic.SelectedValue = items[1].Name; |
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Assert.Equal(1, sic.SelectedIndex); |
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} |
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} |
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[Fact] |
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public void Setting_SelectedValue_Sets_SelectedItem() |
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{ |
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using (UnitTestApplication.Start(TestServices.StyledWindow)) |
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{ |
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var items = TestClass.GetItems(); |
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var sic = new SelectingItemsControl |
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{ |
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Items = items, |
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SelectedValueBinding = new Binding("Name"), |
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Template = Template() |
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}; |
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Prepare(sic); |
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sic.SelectedValue = "Item2"; |
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Assert.Equal(items[1], sic.SelectedItem); |
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} |
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} |
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[Fact] |
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public void Changing_SelectedValueBinding_Updates_SelectedValue() |
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{ |
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using (UnitTestApplication.Start(TestServices.StyledWindow)) |
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{ |
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var items = TestClass.GetItems(); |
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var sic = new SelectingItemsControl |
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{ |
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Items = items, |
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SelectedValueBinding = new Binding("Name"), |
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Template = Template() |
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}; |
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sic.SelectedValue = "Item2"; |
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sic.SelectedValueBinding = new Binding("AltProperty"); |
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// Ensure SelectedItem didn't change
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Assert.Equal(items[1], sic.SelectedItem); |
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Assert.Equal("Alt2", sic.SelectedValue); |
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} |
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} |
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[Fact] |
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public void SelectedValue_With_Null_SelectedValueBinding_Is_Item() |
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{ |
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var items = TestClass.GetItems(); |
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var sic = new SelectingItemsControl |
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{ |
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Items = items, |
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Template = Template() |
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}; |
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sic.SelectedIndex = 0; |
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Assert.Equal(items[0], sic.SelectedValue); |
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} |
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[Fact] |
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public void Setting_SelectedValue_Before_Initialize_Should_Retain_Selection() |
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{ |
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var items = TestClass.GetItems(); |
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var sic = new SelectingItemsControl |
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{ |
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Items = items, |
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Template = Template(), |
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SelectedValueBinding = new Binding("Name"), |
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SelectedValue = "Item2" |
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}; |
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sic.BeginInit(); |
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sic.EndInit(); |
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Assert.Equal(items[1].Name, sic.SelectedValue); |
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} |
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[Fact] |
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public void Setting_SelectedValue_During_Initialize_Should_Take_Priority_Over_Previous_Value() |
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{ |
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var items = TestClass.GetItems(); |
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var sic = new SelectingItemsControl |
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{ |
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Items = items, |
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Template = Template(), |
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SelectedValueBinding = new Binding("Name"), |
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SelectedValue = "Item2" |
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}; |
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sic.BeginInit(); |
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sic.SelectedValue = "Item1"; |
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sic.EndInit(); |
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Assert.Equal(items[0].Name, sic.SelectedValue); |
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} |
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[Fact] |
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public void Changing_Items_Should_Clear_SelectedValue() |
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{ |
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using (UnitTestApplication.Start(TestServices.StyledWindow)) |
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{ |
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var items = TestClass.GetItems(); |
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var sic = new SelectingItemsControl |
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{ |
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Items = items, |
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Template = Template(), |
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SelectedValueBinding = new Binding("Name"), |
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SelectedValue = "Item2" |
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}; |
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Prepare(sic); |
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sic.Items = new List<TestClass> |
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{ |
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new TestClass("NewItem", string.Empty) |
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}; |
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Assert.Equal(null, sic.SelectedValue); |
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} |
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} |
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[Fact] |
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public void Setting_SelectedValue_Should_Raise_SelectionChanged_Event() |
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{ |
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// Unlike SelectedIndex/SelectedItem tests, we need the ItemsControl to
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// initialize so that SelectedValue can actually be looked up
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using (UnitTestApplication.Start(TestServices.StyledWindow)) |
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{ |
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var items = TestClass.GetItems(); |
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var sic = new SelectingItemsControl |
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{ |
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Items = items, |
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Template = Template(), |
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SelectedValueBinding = new Binding("Name"), |
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}; |
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Prepare(sic); |
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var called = false; |
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sic.SelectionChanged += (s, e) => |
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{ |
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Assert.Same(items[1], e.AddedItems.Cast<object>().Single()); |
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Assert.Empty(e.RemovedItems); |
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called = true; |
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}; |
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sic.SelectedValue = "Item2"; |
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Assert.True(called); |
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} |
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} |
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[Fact] |
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public void Clearing_SelectedValue_Should_Raise_SelectionChanged_Event() |
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{ |
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var items = TestClass.GetItems(); |
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var sic = new SelectingItemsControl |
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{ |
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Items = items, |
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Template = Template(), |
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SelectedValueBinding = new Binding("Name"), |
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SelectedValue = "Item2" |
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}; |
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var called = false; |
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sic.SelectionChanged += (s, e) => |
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{ |
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Assert.Same(items[1], e.RemovedItems.Cast<object>().Single()); |
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Assert.Empty(e.AddedItems); |
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called = true; |
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}; |
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sic.SelectedValue = null; |
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Assert.True(called); |
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} |
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private static FuncControlTemplate Template() |
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{ |
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return new FuncControlTemplate<SelectingItemsControl>((control, scope) => |
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new ItemsPresenter |
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{ |
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Name = "itemsPresenter", |
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[~ItemsPresenter.ItemsPanelProperty] = control[~ItemsControl.ItemsPanelProperty], |
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}.RegisterInNameScope(scope)); |
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} |
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private static void Prepare(SelectingItemsControl target) |
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{ |
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var root = new TestRoot |
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{ |
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Child = target, |
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Width = 100, |
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Height = 100, |
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Styles = |
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{ |
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new Style(x => x.Is<SelectingItemsControl>()) |
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{ |
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Setters = |
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{ |
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new Setter(ListBox.TemplateProperty, Template()), |
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}, |
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}, |
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}, |
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}; |
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root.LayoutManager.ExecuteInitialLayoutPass(); |
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} |
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} |
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internal class TestClass |
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{ |
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public TestClass(string name, string alt) |
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{ |
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Name = name; |
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AltProperty = alt; |
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} |
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public string Name { get; set; } |
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public string AltProperty { get; set; } |
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public static List<TestClass> GetItems() |
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{ |
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return new List<TestClass> |
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{ |
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new TestClass("Item1", "Alt1"), |
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new TestClass("Item2", "Alt2"), |
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new TestClass("Item3", "Alt3"), |
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new TestClass("Item4", "Alt4"), |
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new TestClass("Item5", "Alt5"), |
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}; |
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} |
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} |
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} |
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