private static async Task TestAddTokenAsync(RichSuggestBox rsb, string tokenText)
{
bool suggestionsRequestedCalled = false;
bool suggestionChosenCalled = false;
void SuggestionsRequestedHandler(RichSuggestBox sender, SuggestionRequestedEventArgs args)
{
suggestionsRequestedCalled = true;
Assert.AreEqual(tokenText[0].ToString(), args.Prefix, $"Unexpected prefix in {nameof(RichSuggestBox.SuggestionRequested)}.");
Assert.AreEqual(tokenText.Substring(1), args.QueryText, $"Unexpected query in {nameof(RichSuggestBox.SuggestionRequested)}.");
}
void SuggestionChosenHandler(RichSuggestBox sender, SuggestionChosenEventArgs args)
{
suggestionChosenCalled = true;
Assert.AreEqual(tokenText[0].ToString(), args.Prefix, $"Unexpected prefix in {nameof(RichSuggestBox.SuggestionChosen)}.");
Assert.AreEqual(tokenText.Substring(1), args.QueryText, $"Unexpected query in {nameof(RichSuggestBox.SuggestionChosen)}.");
Assert.AreEqual(args.QueryText, args.DisplayText, $"Unexpected display text in {nameof(RichSuggestBox.SuggestionChosen)}.");
Assert.AreSame(tokenText, args.SelectedItem, $"Selected item has unknown object {args.SelectedItem} in {nameof(RichSuggestBox.SuggestionChosen)}.");
}
rsb.SuggestionRequested += SuggestionsRequestedHandler;
rsb.SuggestionChosen += SuggestionChosenHandler;
await AddTokenAsync(rsb, tokenText);
rsb.SuggestionRequested -= SuggestionsRequestedHandler;
rsb.SuggestionChosen -= SuggestionChosenHandler;
Assert.IsTrue(suggestionsRequestedCalled, $"{nameof(RichSuggestBox.SuggestionRequested)} was not invoked.");
Assert.IsTrue(suggestionChosenCalled, $"{nameof(RichSuggestBox.SuggestionChosen)} was not invoked.");
}
public async Task Test_RichSuggestBox_Load()
{
const string rtf = @"{\rtf1\fbidis\ansi\ansicpg1252\deff0\nouicompat\deflang1033{\fonttbl{\f0\fnil\fcharset0 Segoe UI;}{\f1\fnil Segoe UI;}}
{\colortbl ;\red255\green255\blue255;\red0\green0\blue255;\red41\green150\blue204;}
{\*\generator Riched20 10.0.19041}\viewkind4\uc1
\pard\tx720\cf1\f0\fs21\lang4105 Hello {{\field{\*\fldinst{HYPERLINK ""c3b58ee9-df54-4686-b295-f203a5d8809a""}}{\fldrslt{\ul\cf2\u8203?\cf3\highlight1 @Michael Hawker\cf1\highlight0\u8203?}}}}\f1\fs21 \f0 from {{\field{\*\fldinst{HYPERLINK ""1c6a71c3-f81f-4a27-8f17-50d64acd5b61""}}{\fldrslt{\ul\cf2\u8203?\cf3\highlight1 @Tung Huynh\cf1\highlight0\u8203?}}}}\f1\fs21\par
}
";
var token1 = new RichSuggestToken(Guid.Parse("c3b58ee9-df54-4686-b295-f203a5d8809a"), "@Michael Hawker");
var token2 = new RichSuggestToken(Guid.Parse("1c6a71c3-f81f-4a27-8f17-50d64acd5b61"), "@Tung Huynh");
await App.DispatcherQueue.EnqueueAsync(async() =>
{
var rsb = new RichSuggestBox();
await SetTestContentAsync(rsb);
var document = rsb.TextDocument;
var selection = document.Selection;
selection.TypeText("before ");
await AddTokenAsync(rsb, "@Token");
selection.TypeText("after");
rsb.Load(rtf, new[] { token1, token2 });
await Task.Delay(10);
document.GetText(TextGetOptions.NoHidden, out var text);
Assert.AreEqual(2, rsb.Tokens.Count, "Unexpected tokens count after load.");
Assert.AreEqual("Hello \u200b@Michael Hawker\u200b from \u200b@Tung Huynh\u200b\r", text, "Unexpected document text.");
AssertToken(rsb, token1);
AssertToken(rsb, token2);
});
}
public async Task Test_RichSuggestBox_ClearUndoRedoHistory()
{
await App.DispatcherQueue.EnqueueAsync(async() =>
{
var rsb = new RichSuggestBox();
await SetTestContentAsync(rsb);
var document = rsb.TextDocument;
var selection = document.Selection;
selection.TypeText("before ");
await AddTokenAsync(rsb, "@Token");
selection.TypeText("after");
document.GetText(TextGetOptions.NoHidden, out var text);
Assert.AreEqual(1, rsb.Tokens.Count, "Unexpected tokens count before clear.");
Assert.IsTrue(document.CanUndo(), "Document cannot undo before clear.");
Assert.AreEqual("before \u200B@Token\u200B after", text);
rsb.ClearUndoRedoSuggestionHistory();
document.GetText(TextGetOptions.NoHidden, out text);
Assert.AreEqual(1, rsb.Tokens.Count, "Unexpected tokens count after clear.");
Assert.IsFalse(document.CanUndo(), "Document can undo after clear.");
Assert.AreEqual("before \u200B@Token\u200B after", text);
});
}
public async Task Test_RichSuggestBox_FormatReset()
{
await App.DispatcherQueue.EnqueueAsync(async() =>
{
var rsb = new RichSuggestBox()
{
Prefixes = "@"
};
rsb.TokenBackground = new Windows.UI.Xaml.Media.SolidColorBrush(Windows.UI.Colors.Azure);
await SetTestContentAsync(rsb);
var document = rsb.TextDocument;
var selection = document.Selection;
var defaultFormat = document.GetDefaultCharacterFormat();
await AddTokenAsync(rsb, "@Token1");
selection.Delete(TextRangeUnit.Character, -1);
var middlePosition = selection.StartPosition;
await AddTokenAsync(rsb, "@Token2");
selection.Delete(TextRangeUnit.Character, -1);
await Task.Delay(10);
selection.SetText(TextSetOptions.Unhide, "text");
Assert.AreEqual(defaultFormat.BackgroundColor, selection.CharacterFormat.BackgroundColor, "Raw text have background color after a token.");
selection.SetRange(middlePosition, middlePosition);
await Task.Delay(10);
selection.SetText(TextSetOptions.Unhide, "text");
Assert.AreEqual(defaultFormat.BackgroundColor, selection.CharacterFormat.BackgroundColor, "Raw text have background color when sandwiched between 2 tokens.");
selection.SetRange(0, 0);
await Task.Delay(10);
selection.SetText(TextSetOptions.Unhide, "text");
Assert.AreEqual(defaultFormat.BackgroundColor, selection.CharacterFormat.BackgroundColor, "Raw text have background color when insert at beginning of the document.");
});
}
public async Task Test_RichSuggestBox_ReplaceToken()
{
await App.DispatcherQueue.EnqueueAsync(async() =>
{
var rsb = new RichSuggestBox()
{
Prefixes = "@"
};
await SetTestContentAsync(rsb);
var document = rsb.TextDocument;
var selection = document.Selection;
await AddTokenAsync(rsb, "@Before");
var tokenBefore = rsb.Tokens[0];
AssertToken(rsb, tokenBefore);
selection.Delete(TextRangeUnit.Character, -2);
await Task.Delay(10);
await AddTokenAsync(rsb, "@After");
var tokenAfter = rsb.Tokens[0];
AssertToken(rsb, tokenAfter);
Assert.AreNotSame(tokenBefore, tokenAfter, "Token before and token after are the same.");
Assert.AreNotEqual(tokenBefore.Id, tokenAfter.Id, "Token ID before and token ID after are the same.");
});
}
public async Task Test_RichSuggestBox_DeleteTokens(string token1, string token2)
{
await App.DispatcherQueue.EnqueueAsync(async() =>
{
var rsb = new RichSuggestBox()
{
Prefixes = "@#"
};
await SetTestContentAsync(rsb);
var document = rsb.TextDocument;
var selection = document.Selection;
await AddTokenAsync(rsb, token1);
await AddTokenAsync(rsb, token2);
Assert.AreEqual(2, rsb.Tokens.Count, "Unexpected token count after adding.");
// Delete token as a whole
selection.Delete(TextRangeUnit.Character, -1);
selection.Delete(TextRangeUnit.Link, -1);
await Task.Delay(10);
Assert.AreEqual(1, rsb.Tokens.Count, "Unexpected token count after deleting token 2");
// Partially delete a token
selection.Delete(TextRangeUnit.Character, -2);
await Task.Delay(10);
Assert.AreEqual(0, rsb.Tokens.Count, "Unexpected token count after deleting token 1");
});
}
private static void AssertToken(RichSuggestBox rsb, RichSuggestToken token)
{
var document = rsb.TextDocument;
var tokenRange = document.GetRange(token.RangeStart, token.RangeEnd);
Assert.AreEqual(token.ToString(), tokenRange.Text);
Assert.AreEqual($"\"{token.Id}\"", tokenRange.Link, "Unexpected link value.");
Assert.AreEqual(LinkType.FriendlyLinkAddress, tokenRange.CharacterFormat.LinkType, "Unexpected link type.");
}
private static async Task AddTokenAsync(RichSuggestBox rsb, string tokenText)
{
var selection = rsb.TextDocument.Selection;
selection.TypeText(tokenText);
await Task.Delay(10); // Wait for SelectionChanged to be invoked
await rsb.CommitSuggestionAsync(tokenText);
await Task.Delay(10); // Wait for TextChanged to be invoked
}
public async Task Test_RichSuggestBox_CustomizeToken()
{
await App.DispatcherQueue.EnqueueAsync(async() =>
{
var rsb = new RichSuggestBox()
{
Prefixes = "@"
};
await SetTestContentAsync(rsb);
var inputText = "@Placeholder";
var expectedText = "@Token";
rsb.SuggestionChosen += (rsb, e) =>
{
e.DisplayText = expectedText.Substring(1);
var format = e.Format;
format.BackgroundColor = Windows.UI.Colors.Beige;
format.ForegroundColor = Windows.UI.Colors.Azure;
format.Bold = FormatEffect.On;
format.Italic = FormatEffect.On;
format.Size = 9;
};
await AddTokenAsync(rsb, inputText);
Assert.AreEqual(1, rsb.Tokens.Count, "Token count is not 1 after committing 1 token.");
var defaultFormat = rsb.TextDocument.GetDefaultCharacterFormat();
var token = rsb.Tokens[0];
var range = rsb.TextDocument.GetRange(token.RangeStart, token.RangeEnd);
Assert.AreEqual(expectedText, token.DisplayText, "Unexpected token text.");
Assert.AreEqual(range.Text, token.ToString());
var prePad = range.GetClone();
prePad.SetRange(range.StartPosition, range.StartPosition + 1);
Assert.AreEqual(defaultFormat.BackgroundColor, prePad.CharacterFormat.BackgroundColor, "Unexpected background color for pre padding.");
Assert.AreEqual(defaultFormat.ForegroundColor, prePad.CharacterFormat.ForegroundColor, "Unexpected foreground color for pre padding.");
var postPad = range.GetClone();
postPad.SetRange(range.EndPosition - 1, range.EndPosition);
Assert.AreEqual(defaultFormat.BackgroundColor, postPad.CharacterFormat.BackgroundColor, "Unexpected background color for post padding.");
Assert.AreEqual(defaultFormat.ForegroundColor, postPad.CharacterFormat.ForegroundColor, "Unexpected foreground color for post padding.");
var hiddenText = $"HYPERLINK \"{token.Id}\"\u200B";
range.SetRange(range.StartPosition + hiddenText.Length, range.EndPosition - 1);
Assert.AreEqual(Windows.UI.Colors.Beige, range.CharacterFormat.BackgroundColor, "Unexpected token background color.");
Assert.AreEqual(Windows.UI.Colors.Azure, range.CharacterFormat.ForegroundColor, "Unexpected token foreground color.");
Assert.AreEqual(FormatEffect.On, range.CharacterFormat.Bold, "Token is expected to be bold.");
Assert.AreEqual(FormatEffect.On, range.CharacterFormat.Italic, "Token is expected to be italic.");
Assert.AreEqual(9, range.CharacterFormat.Size, "Unexpected token font size.");
});
}
public async Task Test_RichSuggestBox_AddTokens(string tokenText1, string tokenText2, string tokenText3)
{
await App.DispatcherQueue.EnqueueAsync(async() =>
{
var rsb = new RichSuggestBox()
{
Prefixes = "@#"
};
await SetTestContentAsync(rsb);
var document = rsb.TextDocument;
// Adding token 1
await TestAddTokenAsync(rsb, tokenText1);
Assert.AreEqual(1, rsb.Tokens.Count, "Token count is not 1 after committing 1 token.");
var token1 = rsb.Tokens.Last();
AssertToken(rsb, token1);
var expectedStory = $"{token1} \r";
document.GetText(TextGetOptions.None, out var actualStory);
Assert.AreEqual(expectedStory, actualStory);
// Adding token 2 with space between previous token
await TestAddTokenAsync(rsb, tokenText2);
Assert.AreEqual(2, rsb.Tokens.Count, "Token count is not 2 after committing 2 token.");
var token2 = rsb.Tokens.Last();
AssertToken(rsb, token2);
expectedStory = $"{token1} {token2} \r";
document.GetText(TextGetOptions.None, out actualStory);
Assert.AreEqual(expectedStory, actualStory);
// Adding token 3 without space between previous token
rsb.TextDocument.Selection.Delete(TextRangeUnit.Character, -1);
await TestAddTokenAsync(rsb, tokenText3);
Assert.AreEqual(3, rsb.Tokens.Count, "Token count is not 3 after committing 3 token.");
var token3 = rsb.Tokens.Last();
AssertToken(rsb, token3);
expectedStory = $"{token1} {token2}{token3} \r";
document.GetText(TextGetOptions.None, out actualStory);
Assert.AreEqual(expectedStory, actualStory);
document.Selection.Delete(TextRangeUnit.Character, -1);
Assert.AreEqual(3, rsb.Tokens.Count, "Token at the end of the document is not recognized.");
});
}
private void SuggestingBox_OnSuggestionRequested(RichSuggestBox sender, SuggestionRequestedEventArgs args)
{
if (args.Prefix == "#")
{
sender.ItemsSource =
this._samples.Where(x => x.Text.Contains(args.QueryText, StringComparison.OrdinalIgnoreCase));
}
else
{
sender.ItemsSource =
this._emailSamples.Where(x => x.DisplayName.Contains(args.QueryText, StringComparison.OrdinalIgnoreCase));
}
}
private void SuggestingBox_OnSuggestionChosen(RichSuggestBox sender, SuggestionChosenEventArgs args)
{
if (args.Prefix == "#")
{
args.Format.BackgroundColor = Colors.DarkOrange;
args.Format.ForegroundColor = Colors.OrangeRed;
args.Format.Bold = FormatEffect.On;
args.Format.Italic = FormatEffect.On;
args.DisplayText = ((SampleDataType)args.SelectedItem).Text;
}
else
{
args.DisplayText = ((SampleEmailDataType)args.SelectedItem).DisplayName;
}
}
private void SuggestingBox_OnTokenPointerOver(RichSuggestBox sender, RichSuggestTokenPointerOverEventArgs args)
{
var flyout = (Flyout)FlyoutBase.GetAttachedFlyout(sender);
var pointerPosition = args.CurrentPoint.Position;
if (flyout?.Content is ContentPresenter cp && sender.TextDocument.Selection.Type != SelectionType.Normal &&
(!flyout.IsOpen || cp.Content != args.Token.Item))
{
this._dispatcherQueue.TryEnqueue(() =>
{
cp.Content = args.Token.Item;
flyout.ShowAt(sender, new FlyoutShowOptions
{
Position = pointerPosition,
ExclusionRect = sender.GetRectFromRange(args.Range),
ShowMode = FlyoutShowMode.TransientWithDismissOnPointerMoveAway,
});
});
}
}
public void OnXamlRendered(FrameworkElement control)
{
if (this._rsb != null)
{
this._rsb.SuggestionChosen -= this.SuggestingBox_OnSuggestionChosen;
this._rsb.SuggestionRequested -= this.SuggestingBox_OnSuggestionRequested;
}
if (this._tsb != null)
{
this._tsb.SuggestionChosen -= this.SuggestingBox_OnSuggestionChosen;
this._tsb.SuggestionRequested -= this.SuggestingBox_OnSuggestionRequested;
this._tsb.TokenPointerOver -= this.SuggestingBox_OnTokenPointerOver;
}
if (control.FindChild("SuggestingBox") is RichSuggestBox rsb)
{
this._rsb = rsb;
this._rsb.SuggestionChosen += this.SuggestingBox_OnSuggestionChosen;
this._rsb.SuggestionRequested += this.SuggestingBox_OnSuggestionRequested;
}
if (control.FindChild("PlainTextSuggestingBox") is RichSuggestBox tsb)
{
this._tsb = tsb;
this._tsb.SuggestionChosen += this.SuggestingBox_OnSuggestionChosen;
this._tsb.SuggestionRequested += this.SuggestingBox_OnSuggestionRequested;
this._tsb.TokenPointerOver += this.SuggestingBox_OnTokenPointerOver;
}
if (control.FindChild("TokenListView1") is ListView tls1)
{
tls1.ItemsSource = this._rsb?.Tokens;
}
if (control.FindChild("TokenListView2") is ListView tls2)
{
tls2.ItemsSource = this._tsb?.Tokens;
}
}