protected override void OnClick()
{
base.OnClick();
MainWindow mainWindow = (MainWindow)Application.Current.MainWindow;
if (this.Parent != StackPanelRecentColor)
{
ColorButton colorButton = new ColorButton(CustomRichTextBox, GridProp, Brush, StackPanelRecentColor, DropButton, RectangleColor);
if (mainWindow.RecentColorCollection.Count < 7)
{
StackPanelRecentColor.Children.Add(colorButton);
mainWindow.RecentColorCollection.Add(colorButton);
}
else
{
mainWindow.RecentColorCollection.RemoveAt(0);
mainWindow.RecentColorCollection.Add(colorButton);
StackPanelRecentColor.Children.RemoveAt(0);
StackPanelRecentColor.Children.Add(colorButton);
}
}
RectangleColor.Fill = Brush;
DropButton.IsOpen = false;
if (GridProp == null)
{
TextPointer textPoint = CustomRichTextBox.CaretPosition;
CustomRichTextBox.startTextPointer = null;
CustomRichTextBox.endTextPointer = null;
if (CustomRichTextBox.Selection.IsEmpty)
{
TextElement textElement = null;
if (CustomRichTextBox.CaretPosition.GetPointerContext(LogicalDirection.Backward) == TextPointerContext.None)
{
CustomRichTextBox.IsCreateRunNull = true;
CustomRichTextBox.CreateRunTextPointer = CustomRichTextBox.CaretPosition;
return;
}
else if (CustomRichTextBox.CaretPosition.GetPointerContext(LogicalDirection.Backward) == TextPointerContext.ElementStart)
{
textElement = (TextElement)CustomRichTextBox.CaretPosition.GetAdjacentElement(LogicalDirection.Backward);
if (textElement is Paragraph)
{
CustomRichTextBox.IsCreateRunNull = true;
CustomRichTextBox.CreateRunTextPointer = CustomRichTextBox.CaretPosition;
return;
}
else if (textElement is ListItem)
{
CustomRichTextBox.IsCreateRunNull = true;
CustomRichTextBox.CreateRunTextPointer = CustomRichTextBox.CaretPosition;
return;
}
}
else if (CustomRichTextBox.CaretPosition.GetPointerContext(LogicalDirection.Backward) == TextPointerContext.ElementEnd)
{
textElement = (TextElement)CustomRichTextBox.CaretPosition.GetAdjacentElement(LogicalDirection.Backward);
if (textElement is LineBreak)
{
CustomRichTextBox.IsCreateRunNull = true;
CustomRichTextBox.CreateRunTextPointer = CustomRichTextBox.CaretPosition;
return;
}
}
if (textPoint.GetTextRunLength(LogicalDirection.Backward) > 0) // Если позади каретки в текстовом элементе есть текст
{
TextPointer textPointer = textPoint.GetNextContextPosition(LogicalDirection.Backward);
Run run = (Run)textPointer.GetAdjacentElement(LogicalDirection.Backward);
TextElement nextBackTextElement = (TextElement)run.ElementStart.GetAdjacentElement(LogicalDirection.Backward);
int i = CustomRichTextBox.CaretPosition.GetTextRunLength(LogicalDirection.Backward);
TextRange textRange = new TextRange(textPointer, CustomRichTextBox.CaretPosition);
int index = textRange.Text.LastIndexOfAny(new char[] { ' ', ',', '.', '?', '!', ':', ';' });
if (index != -1)
{
if (textRange.Text[i - 1] != ' ' && textRange.Text[i - 1] != ',' && textRange.Text[i - 1] != '.' && textRange.Text[i - 1] != '?' && textRange.Text[i - 1] != '!' && textRange.Text[i - 1] != ':' && textRange.Text[i - 1] != ';')
{
CustomRichTextBox.startTextPointer = CustomRichTextBox.CaretPosition.GetPositionAtOffset(index + 1 - i);
}
else
{
CustomRichTextBox.startTextPointer = null;
}
}
else
{
CustomRichTextBox.IsText = true;
CustomRichTextBox.StartTextPointer(nextBackTextElement);
}
}
else
{
CustomRichTextBox.IsTextNull = true;
TextElement nextBackTextElement = (TextElement)CustomRichTextBox.CaretPosition.GetAdjacentElement(LogicalDirection.Backward);
if (nextBackTextElement is Run)
{
nextBackTextElement = (TextElement)nextBackTextElement.ElementStart.GetAdjacentElement(LogicalDirection.Backward);
}
CustomRichTextBox.StartTextPointer(nextBackTextElement);
}
CustomRichTextBox.IsTextNull = false;
CustomRichTextBox.IsText = false;
if (textPoint.GetTextRunLength(LogicalDirection.Forward) > 0) // Если в текстовом элементе впереди каретки есть текст
{
TextPointer textPointer = textPoint.GetNextContextPosition(LogicalDirection.Forward);
Run run = (Run)textPointer.GetAdjacentElement(LogicalDirection.Forward);
TextElement nextForwardTextElement = (TextElement)run.ElementEnd.GetAdjacentElement(LogicalDirection.Forward);
int i = CustomRichTextBox.CaretPosition.GetTextRunLength(LogicalDirection.Forward);
TextRange textRange = new TextRange(CustomRichTextBox.CaretPosition, textPointer);
int index = textRange.Text.IndexOfAny(new char[] { ' ', ',', '.', '?', '!', ':', ';' });
if (index != -1)
{
if (textRange.Text[0] != ' ' && textRange.Text[0] != ',' && textRange.Text[0] != '.' && textRange.Text[0] != '?' && textRange.Text[0] != '!' && textRange.Text[0] != ':' && textRange.Text[0] != ';')
{
CustomRichTextBox.endTextPointer = CustomRichTextBox.CaretPosition.GetPositionAtOffset(index);
}
else
{
CustomRichTextBox.endTextPointer = null;
}
}
else
{
CustomRichTextBox.IsText = true;
CustomRichTextBox.EndTextPointer(nextForwardTextElement);
}
}
else
{
CustomRichTextBox.IsTextNull = true;
TextElement nextForwardTextElement = (TextElement)CustomRichTextBox.CaretPosition.GetAdjacentElement(LogicalDirection.Forward);
if (nextForwardTextElement is Run)
{
nextForwardTextElement = (TextElement)nextForwardTextElement.ElementEnd.GetAdjacentElement(LogicalDirection.Forward);
}
CustomRichTextBox.EndTextPointer(nextForwardTextElement);
}
CustomRichTextBox.IsText = false;
CustomRichTextBox.IsTextNull = false;
if (CustomRichTextBox.startTextPointer != null && CustomRichTextBox.endTextPointer != null)
{
TextRange textRange = new TextRange(CustomRichTextBox.startTextPointer, CustomRichTextBox.endTextPointer);
textRange.ApplyPropertyValue(TextElement.ForegroundProperty, Brush);
}
else
{
if (CustomRichTextBox.Run.Foreground is SolidColorBrush && Brush is SolidColorBrush)
{
SolidColorBrush runBrush = CustomRichTextBox.Run.Foreground as SolidColorBrush;
SolidColorBrush newBrush = Brush as SolidColorBrush;
if (runBrush.Color.A != newBrush.Color.A || runBrush.Color.B != newBrush.Color.B || runBrush.Color.G != newBrush.Color.G || runBrush.Color.R != newBrush.Color.R || runBrush.Color.ScA != newBrush.Color.ScA || runBrush.Color.ScB != newBrush.Color.ScB || runBrush.Color.ScG != newBrush.Color.ScG || runBrush.Color.ScR != newBrush.Color.ScR || runBrush.Opacity != newBrush.Opacity)
{
CustomRichTextBox.IsCreateRunColor = true;
CustomRichTextBox.CreateRunTextPointer = CustomRichTextBox.CaretPosition;
}
else
{
CustomRichTextBox.IsCreateRunColor = false;
}
}
else if (CustomRichTextBox.Run.Foreground is LinearGradientBrush && Brush is LinearGradientBrush)
{
LinearGradientBrush runBrush = CustomRichTextBox.Run.Foreground as LinearGradientBrush;
LinearGradientBrush newBrush = Brush as LinearGradientBrush;
int count = 0;
if (runBrush.ColorInterpolationMode != newBrush.ColorInterpolationMode || runBrush.EndPoint != newBrush.EndPoint || runBrush.Opacity != newBrush.Opacity || runBrush.MappingMode != newBrush.MappingMode || runBrush.SpreadMethod != newBrush.SpreadMethod || runBrush.StartPoint != newBrush.StartPoint || runBrush.GradientStops.Count != newBrush.GradientStops.Count)
{
CustomRichTextBox.IsCreateRunColor = true;
CustomRichTextBox.CreateRunTextPointer = CustomRichTextBox.CaretPosition;
}
else
{
GradientStop newGradientStop;
foreach (GradientStop runGradientStop in runBrush.GradientStops)
{
newGradientStop = newBrush.GradientStops[count];
if (runGradientStop.Color.A != newGradientStop.Color.A || runGradientStop.Color.B != newGradientStop.Color.B || runGradientStop.Color.G != newGradientStop.Color.G || runGradientStop.Color.R != newGradientStop.Color.R || runGradientStop.Color.ScA != newGradientStop.Color.ScA || runGradientStop.Color.ScB != newGradientStop.Color.ScB || runGradientStop.Color.ScG != newGradientStop.Color.ScG || runGradientStop.Color.ScR != newGradientStop.Color.ScR)
{
CustomRichTextBox.IsCreateRunColor = true;
CustomRichTextBox.CreateRunTextPointer = CustomRichTextBox.CaretPosition;
return;
}
else
{
CustomRichTextBox.IsCreateRunColor = false;
}
count++;
}
}
}
else if (CustomRichTextBox.Run.Foreground is RadialGradientBrush && Brush is RadialGradientBrush)
{
RadialGradientBrush runBrush = CustomRichTextBox.Run.Foreground as RadialGradientBrush;
RadialGradientBrush newBrush = Brush as RadialGradientBrush;
int count = 0;
if (runBrush.Center != newBrush.Center || runBrush.ColorInterpolationMode != newBrush.ColorInterpolationMode || runBrush.GradientOrigin != newBrush.GradientOrigin || runBrush.MappingMode != newBrush.MappingMode || runBrush.Opacity != newBrush.Opacity || runBrush.RadiusX != newBrush.RadiusX || runBrush.RadiusY != newBrush.RadiusY || runBrush.SpreadMethod != newBrush.SpreadMethod || runBrush.GradientStops.Count != newBrush.GradientStops.Count)
{
CustomRichTextBox.IsCreateRunColor = true;
CustomRichTextBox.CreateRunTextPointer = CustomRichTextBox.CaretPosition;
}
else
{
GradientStop newGradientStop;
foreach (GradientStop runGradientStop in runBrush.GradientStops)
{
newGradientStop = newBrush.GradientStops[count];
if (runGradientStop.Color.A != newGradientStop.Color.A || runGradientStop.Color.B != newGradientStop.Color.B || runGradientStop.Color.G != newGradientStop.Color.G || runGradientStop.Color.R != newGradientStop.Color.R || runGradientStop.Color.ScA != newGradientStop.Color.ScA || runGradientStop.Color.ScB != newGradientStop.Color.ScB || runGradientStop.Color.ScG != newGradientStop.Color.ScG || runGradientStop.Color.ScR != newGradientStop.Color.ScR)
{
CustomRichTextBox.IsCreateRunColor = true;
CustomRichTextBox.CreateRunTextPointer = CustomRichTextBox.CaretPosition;
return;
}
else
{
CustomRichTextBox.IsCreateRunColor = false;
}
count++;
}
}
}
else
{
CustomRichTextBox.IsCreateRunColor = true;
CustomRichTextBox.CreateRunTextPointer = CustomRichTextBox.CaretPosition;
}
}
}
else
{
CustomRichTextBox.Selection.ApplyPropertyValue(TextElement.ForegroundProperty, Brush);
}
}
else
{
GridProp.NewBrush = Brush;
}
}