private void FindAndHighlightText(string textToFind)
{
ClearAllHighlightedWords();
ITextRange searchRange = editor.Document.GetRange(0, TextConstants.MaxUnitCount);
searchRange.Move(0, 0);
bool textFound = true;
do
{
if (searchRange.FindText(textToFind, TextConstants.MaxUnitCount, FindOptions.None) < 1)
{
textFound = false;
}
else
{
ITextRange ss = searchRange.GetClone();
m_highlightedWords.Add(searchRange.GetClone());
ITextCharacterFormat charFormatting = searchRange.CharacterFormat;
charFormatting.BackgroundColor = Colors.Yellow;
searchRange.CharacterFormat = charFormatting;
}
} while (textFound);
}
private void btnClear_Click(object sender, RoutedEventArgs e)
{
string text = "";
editor.Document.GetText(Windows.UI.Text.TextGetOptions.None, out text);
ITextRange allText = editor.Document.GetRange(0, text.Length - 1);
if (allText != null)
{
// Reset Character Formats
ITextCharacterFormat charFormatting = allText.CharacterFormat;
charFormatting.Name = "Segoe UI";
charFormatting.Size = 15f;
charFormatting.ForegroundColor = Colors.Black;
charFormatting.Bold = charFormatting.Bold = FormatEffect.Off;
charFormatting.Italic = charFormatting.Bold = FormatEffect.Off;
charFormatting.Underline = Windows.UI.Text.UnderlineType.None;
allText.CharacterFormat = charFormatting;
// Reset Paragraph Formats and Style
ITextParagraphFormat paraFormatting = allText.ParagraphFormat;
paraFormatting.ListType = MarkerType.None;
//paraFormatting.Style = ParagraphStyle.Undefined;
allText.ParagraphFormat = paraFormatting;
}
}
protected bool IsEqual(ITextCharacterFormat format, ITextCharacterFormat document)
{
return(document.AllCaps == format.AllCaps &&
document.BackgroundColor == format.BackgroundColor &&
document.Bold == format.Bold &&
document.FontStretch == format.FontStretch &&
document.FontStyle == format.FontStyle &&
document.ForegroundColor == format.ForegroundColor &&
document.Hidden == format.Hidden &&
document.Italic == format.Italic &&
document.Kerning == format.Kerning &&
//document.LanguageTag == format.LanguageTag &&
document.LinkType == format.LinkType &&
document.Name == format.Name &&
document.Outline == format.Outline &&
document.Position == format.Position &&
document.ProtectedText == format.ProtectedText &&
document.Size == format.Size &&
document.SmallCaps == format.SmallCaps &&
document.Spacing == format.Spacing &&
document.Strikethrough == format.Strikethrough &&
document.Subscript == format.Subscript &&
document.Superscript == format.Superscript &&
//document.TextScript == format.TextScript &&
document.Underline == format.Underline &&
document.Weight == format.Weight);
}
public void UndoVisualChangeAnno(ITextSelection selectedTxt)
{
ITextCharacterFormat charFormatting = selectedTxt.CharacterFormat;
charFormatting.Bold = FormatEffect.Off;
charFormatting.Underline = UnderlineType.None;
charFormatting.ForegroundColor = GetColor("");
selectedTxt.CharacterFormat = charFormatting;
}
public void ApplyVisualChangeAnno(ITextSelection selectedTxt, string color)
{
ITextCharacterFormat charFormatting = selectedTxt.CharacterFormat;
charFormatting.Bold = FormatEffect.On;
charFormatting.Underline = UnderlineType.Single;
charFormatting.ForegroundColor = GetColor(color);
selectedTxt.CharacterFormat = charFormatting;
}
public void Update(ITextCharacterFormat format)
{
Bold.IsChecked = format.Bold == FormatEffect.On;
Italic.IsChecked = format.Italic == FormatEffect.On;
Strikethrough.IsChecked = format.Strikethrough == FormatEffect.On;
Underline.IsChecked = format.Underline == UnderlineType.Single;
Monospace.IsChecked = string.Equals(format.Name, "Consolas", StringComparison.OrdinalIgnoreCase);
Spoiler.IsChecked = format.BackgroundColor == Colors.Gray;
}
private void ColorButton_Click(object sender, RoutedEventArgs e)
{
Button clickedColor = (Button)sender;
ITextCharacterFormat charFormatting = editor.Document.Selection.CharacterFormat;
switch (clickedColor.Name)
{
case "black":
{
charFormatting.ForegroundColor = Colors.Black;
break;
}
case "gray":
{
charFormatting.ForegroundColor = Colors.Gray;
break;
}
case "greenyellow":
{
charFormatting.ForegroundColor = Colors.GreenYellow;
break;
}
case "green":
{
charFormatting.ForegroundColor = Colors.Green;
break;
}
case "blue":
{
charFormatting.ForegroundColor = Colors.Blue;
break;
}
case "red":
{
charFormatting.ForegroundColor = Colors.Red;
break;
}
default:
{
charFormatting.ForegroundColor = Colors.Black;
break;
}
}
editor.Document.Selection.CharacterFormat = charFormatting;
editor.Focus(Windows.UI.Xaml.FocusState.Keyboard);
FontColorButton.Flyout.Hide();
}
private void ItalicButton_Click(object sender, RoutedEventArgs e)
{
ITextSelection selectedText = editor.Document.Selection;
if (selectedText != null)
{
ITextCharacterFormat charFormatting = selectedText.CharacterFormat;
charFormatting.Italic = FormatEffect.Toggle;
selectedText.CharacterFormat = charFormatting;
}
}
private void Underline_Click(object sender, RoutedEventArgs e)
{
ITextSelection selectedText = EventDescription.Document.Selection;
if (selectedText != null)
{
ITextCharacterFormat charFormatting = selectedText.CharacterFormat;
selectedText.CharacterFormat.Underline = (charFormatting.Underline == UnderlineType.None) ? UnderlineType.Single : UnderlineType.None;
}
EventDescription.Focus(FocusState.Programmatic);
}
private void SetFontSize(int size)
{
ITextSelection selectedText = editor.Document.Selection;
if (selectedText != null)
{
ITextCharacterFormat charFormatting = selectedText.CharacterFormat;
charFormatting.Size = size;
selectedText.CharacterFormat = charFormatting;
}
}
private void ItalicSelection(KeyRoutedEventArgs e)
{
ITextSelection selectedText = richEditBox.Document.Selection;
if (selectedText != null)
{
ITextCharacterFormat charFormatting = selectedText.CharacterFormat;
charFormatting.Italic = FormatEffect.Toggle;
selectedText.CharacterFormat = charFormatting;
e.Handled = true;
}
}
private void add(object sender, RoutedEventArgs e)
{
ITextCharacterFormat format = editor.Document.GetDefaultCharacterFormat();
format.Bold = FormatEffect.Off;
format.ForegroundColor = Colors.Black;
editor.Document.SetDefaultCharacterFormat(format);
editor.Document.SetText(TextSetOptions.ApplyRtfDocumentDefaults, "Second Line of Text \r\n");
format.Bold = FormatEffect.On;
format.ForegroundColor = Colors.Red;
editor.Document.Selection.CharacterFormat = format;
editor.Document.Selection.SetText(TextSetOptions.Unhide, "First Line of Text \r\n");
}
private void BoldButton_Click(object sender, RoutedEventArgs e)
{
ITextSelection selectedText = Editor.Document.Selection;
if (selectedText == null)
{
return;
}
ITextCharacterFormat charFormatting = selectedText.CharacterFormat;
charFormatting.Bold = FormatEffect.Toggle;
selectedText.CharacterFormat = charFormatting;
}
/// <summary>
/// Pad range with Zero-Width-Spaces.
/// </summary>
/// <param name="range">Range to pad.</param>
/// <param name="format">Character format to apply to the padding.</param>
private static void PadRange(ITextRange range, ITextCharacterFormat format)
{
var startPosition = range.StartPosition;
var endPosition = range.EndPosition + 1;
var clone = range.GetClone();
clone.Collapse(true);
clone.SetText(TextSetOptions.Unhide, "\u200B");
clone.CharacterFormat.SetClone(format);
clone.SetRange(endPosition, endPosition);
clone.SetText(TextSetOptions.Unhide, "\u200B");
clone.CharacterFormat.SetClone(format);
range.SetRange(startPosition, endPosition + 1);
}
private void ColorButtonClick(object sender, RoutedEventArgs e)
{
Button clickedColor = (Button)sender;
ITextCharacterFormat charFormatting = editor.Document.Selection.CharacterFormat;
switch (clickedColor.Name)
{
case "black":
{
charFormatting.ForegroundColor = Colors.Black;
break;
}
case "gray":
{
charFormatting.ForegroundColor = Colors.Gray;
break;
}
case "darkgreen":
{
charFormatting.ForegroundColor = Colors.DarkGreen;
break;
}
case "green":
{
charFormatting.ForegroundColor = Colors.Green;
break;
}
case "blue":
{
charFormatting.ForegroundColor = Colors.Blue;
break;
}
default:
{
charFormatting.ForegroundColor = Colors.Black;
break;
}
}
editor.Document.Selection.CharacterFormat = charFormatting;
editor.Focus(Windows.UI.Xaml.FocusState.Keyboard);
fontColorPopup.IsOpen = false;
}
// 使选中的文字加粗
private void btnBold_Click(object sender, RoutedEventArgs e)
{
// 获取选中的文本
ITextSelection selectedText = txtEditor.Document.Selection;
if (selectedText != null)
{
// 实体化一个 ITextCharacterFormat，指定字符格式为加粗
ITextCharacterFormat charFormatting = selectedText.CharacterFormat;
charFormatting.Bold = FormatEffect.Toggle;
// 设置选中文本的字符格式
selectedText.CharacterFormat = charFormatting;
}
}
private void UnderlineButton_Click(object sender, RoutedEventArgs e)
{
ITextSelection selectedText = editor.Document.Selection;
if (selectedText != null)
{
ITextCharacterFormat charFormatting = selectedText.CharacterFormat;
if (charFormatting.Underline == Windows.UI.Text.UnderlineType.None)
{
charFormatting.Underline = Windows.UI.Text.UnderlineType.Single;
}
else
{
charFormatting.Underline = Windows.UI.Text.UnderlineType.None;
}
selectedText.CharacterFormat = charFormatting;
}
}
private void UnderlineSelection(KeyRoutedEventArgs e)
{
ITextSelection selectedText = richEditBox.Document.Selection;
if (selectedText != null)
{
ITextCharacterFormat charFormatting = selectedText.CharacterFormat;
if (charFormatting.Underline == UnderlineType.None)
{
charFormatting.Underline = UnderlineType.Single;
}
else
{
charFormatting.Underline = UnderlineType.None;
}
selectedText.CharacterFormat = charFormatting;
e.Handled = true;
}
}
void OnTopAppBarOpened(object sender, object args)
{
// Get the character formatting at the current selection
ITextCharacterFormat charFormat = richEditBox.Document.Selection.CharacterFormat;
// Set the CheckBox app bar buttons
boldAppBarCheckBox.IsChecked = charFormat.Bold == FormatEffect.On;
italicAppBarCheckBox.IsChecked = charFormat.Italic == FormatEffect.On;
underlineAppBarCheckBox.IsChecked = charFormat.Underline == UnderlineType.Single;
// Set the two ComboBox's
fontSizeComboBox.SelectedItem = (int)charFormat.Size;
fontFamilyComboBox.SelectedItem = charFormat.Name;
// Get the paragraph alignment and set the RadioButton's
ParagraphAlignment paragraphAlign = richEditBox.Document.Selection.ParagraphFormat.Alignment;
alignLeftAppBarRadioButton.IsChecked = paragraphAlign == ParagraphAlignment.Left;
alignCenterAppBarRadioButton.IsChecked = paragraphAlign == ParagraphAlignment.Center;
alignRightAppBarRadioButton.IsChecked = paragraphAlign == ParagraphAlignment.Right;
}
// 高亮显示用户搜索的字符
private void btnSearch_Click(object sender, RoutedEventArgs e)
{
// 清除高亮字符的高亮效果
ITextCharacterFormat charFormat;
for (int i = 0; i < _highlightedWords.Count; i++)
{
charFormat = _highlightedWords[i].CharacterFormat;
charFormat.BackgroundColor = Colors.Transparent;
_highlightedWords[i].CharacterFormat = charFormat;
}
_highlightedWords.Clear();
// 获取全部文本，并将操作点移动到文本的起点
ITextRange searchRange = txtEditor.Document.GetRange(0, TextConstants.MaxUnitCount);
searchRange.Move(0, 0);
bool textFound = true;
do
{
// 在全部文本中搜索指定的字符串
if (searchRange.FindText(txtSearch.Text, TextConstants.MaxUnitCount, FindOptions.None) < 1)
{
textFound = false;
}
else
{
_highlightedWords.Add(searchRange.GetClone());
// 实体化一个 ITextCharacterFormat，指定字符背景颜色为黄色
ITextCharacterFormat charFormatting = searchRange.CharacterFormat;
charFormatting.BackgroundColor = Colors.Orange;
// 设置指定文本的字符格式（高亮效果）
searchRange.CharacterFormat = charFormatting;
}
} while (textFound);
}
protected bool IsDefault(ITextCharacterFormat format)
{
return(IsEqual(format, Document.GetDefaultCharacterFormat()));
}
/// <summary>
/// Stub default formatting
/// </summary>
/// <param name="format">Not used</param>
protected override void DefaultFormatting(ITextCharacterFormat format)
{
// Do nothing - base implementation messes up TextCharacterFormatMock properties
}
/// <summary> /// Performs default formatting (non-highlighted text) /// </summary> /// <param name="format">Format of selection</param> protected abstract void DefaultFormatting(ITextCharacterFormat format);
/// <summary>
/// Performs default formatting (non-highlighted text)
/// </summary>
/// <param name="format">Format of selection</param>
protected override void DefaultFormatting(ITextCharacterFormat format)
{
format.Bold = FormatEffect.Off;
format.Italic = FormatEffect.Off;
}
private bool TryCommitSuggestionIntoDocument(ITextRange range, string displayText, Guid id, ITextCharacterFormat format, bool addTrailingSpace = true)
{
// We don't want to set text when the display text doesn't change since it may lead to unexpected caret move.
range.GetText(TextGetOptions.NoHidden, out var existingText);
if (existingText != displayText)
{
range.SetText(TextSetOptions.Unhide, displayText);
}
var formatBefore = range.CharacterFormat.GetClone();
range.CharacterFormat.SetClone(format);
PadRange(range, formatBefore);
range.Link = $"\"{id}\"";
// In some rare case, setting Link can fail. Only observed when interacting with Undo/Redo feature.
if (range.Link != $"\"{id}\"")
{
range.Delete(TextRangeUnit.Story, -1);
return(false);
}
if (addTrailingSpace)
{
var clone = range.GetClone();
clone.Collapse(false);
clone.SetText(TextSetOptions.Unhide, " ");
clone.Collapse(false);
TextDocument.Selection.SetRange(clone.EndPosition, clone.EndPosition);
}
return(true);
}
public bool IsEqual(ITextCharacterFormat format)
{
throw new NotImplementedException();
}
public void SetClone(ITextCharacterFormat value)
{
throw new NotImplementedException();
}
