private void SelectedBrush_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "Angle")
{
double newAngle = SelectedBrush.Angle;
double x2 = radius + radius * Math.Cos(newAngle * Math.PI / 180d);
double y2 = radius - radius * Math.Sin(newAngle * Math.PI / 180d);
if (stopAngleArrow != null)
{
stopAngleArrow.X2 = x2;
stopAngleArrow.Y2 = y2;
}
}
else if (e.PropertyName == "EndColor" && stopColorPanel != null)
{
stopColorPanel.Fill = DrawingColorToBrushConverter.Convert(SelectedBrush.EndColor);
}
else if (e.PropertyName == "StartColor" && stopColorPanel != null)
{
stopColorPanel.Fill = DrawingColorToBrushConverter.Convert(SelectedBrush.StartColor);
}
SetPreviewImage();
}
private void ArrowDoubleClick(object sender, MouseButtonEventArgs e)
{
Dispatcher.BeginInvoke(new Action(() =>
{
NormalColorPickerWindow colorPicker = new NormalColorPickerWindow();
if (sender is Arrow)
{
colorPicker.ColorPicker.SelectedColor = ((System.Windows.Media.SolidColorBrush)((Arrow)sender).Background).Color;
}
else if (sender is System.Windows.Shapes.Rectangle)
{
colorPicker.ColorPicker.SelectedColor = ((System.Windows.Media.SolidColorBrush)((System.Windows.Shapes.Rectangle)sender).Fill).Color;
}
if (colorPicker.ShowDialog().GetValueOrDefault())
{
switch (stopType)
{
case StopType.Start:
SelectedBrush.StartColor = DrawingColorToBrushConverter.ConvertBack(colorPicker.SelectedColorBrush);
SetStopColor(SelectedBrush.StartColor);
break;
case StopType.End:
SelectedBrush.EndColor = DrawingColorToBrushConverter.ConvertBack(colorPicker.SelectedColorBrush);
SetStopColor(SelectedBrush.EndColor);
break;
}
SetPreviewImage();
}
}));
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
startArrow = (Arrow)GetTemplateChild("StartArrow");
endArrow = (Arrow)GetTemplateChild("EndArrow");
stopColorPanel = (System.Windows.Shapes.Rectangle)GetTemplateChild("StopColorPanel");
alphaNumeric = (Numeric)GetTemplateChild("nA");
stopAnglePanel = (System.Windows.Shapes.Ellipse)GetTemplateChild("StopAnglePanel");
stopAngleArrow = (System.Windows.Shapes.Line)GetTemplateChild("StopAngleArrow");
SelectedBrush.PropertyChanged += new PropertyChangedEventHandler(SelectedBrush_PropertyChanged);
alphaNumeric.ValueChanged += new RoutedEventHandler(alphaNumeric_ValueChanged);
stopColorPanel.MouseLeftButtonUp += new MouseButtonEventHandler(ArrowDoubleClick);
startArrow.MouseDoubleClick += new MouseButtonEventHandler(ArrowDoubleClick);
endArrow.MouseDoubleClick += new MouseButtonEventHandler(ArrowDoubleClick);
startArrow.MouseLeftButtonUp += new MouseButtonEventHandler(ArrowMouseUp);
endArrow.MouseLeftButtonUp += new MouseButtonEventHandler(ArrowMouseUp);
stopAnglePanel.MouseDown += new MouseButtonEventHandler(Ellipse_MouseDown);
stopAnglePanel.MouseMove += new MouseEventHandler(Ellipse_MouseMove);
stopColorPanel.Fill = DrawingColorToBrushConverter.Convert(SelectedBrush.StartColor);
alphaNumeric.Value = SelectedBrush.StartColor.A;
stopType = StopType.Start;
FillAngleArrow();
//SetPreviewImage();
}
private void SetStopColor(Color color)
{
if (stopColorPanel != null)
{
stopColorPanel.Fill = DrawingColorToBrushConverter.Convert(color);
alphaNumeric.Value = color.A;
OnSelectedBrushChanged();
}
}
//private void ShowColorPickerHandler(object sender, MouseButtonEventArgs e)
//{
// NormalColorPickerWindow window = new NormalColorPickerWindow();
// if (window.ShowDialog().GetValueOrDefault())
// {
// switch (stopType)
// {
// case StopType.Start:
// stopColorPanel.Fill = DrawingColorToBrushConverter.Convert(SelectedBrush.StartColor);
// break;
// case StopType.End:
// stopColorPanel.Fill = DrawingColorToBrushConverter.Convert(SelectedBrush.EndColor);
// break;
// }
// SetPreviewImage();
// }
//}
private void ArrowMouseUp(object sender, MouseButtonEventArgs e)
{
stopType = ((Arrow)sender).Name == "StartArrow" ? StopType.Start : StopType.End;
switch (stopType)
{
case StopType.Start:
stopColorPanel.Fill = DrawingColorToBrushConverter.Convert(SelectedBrush.StartColor);
alphaNumeric.Value = SelectedBrush.StartColor.A;
break;
case StopType.End:
stopColorPanel.Fill = DrawingColorToBrushConverter.Convert(SelectedBrush.EndColor);
alphaNumeric.Value = SelectedBrush.EndColor.A;
break;
}
}
