public void SetStrokeWidth(Shape view, double thickness)
{
ShapeViewModel viewModel = (ShapeViewModel)view.DataContext;
viewModel.SetValue(ShapeViewModel.StrokeThicknessProperty, thickness);
UpdateShape(view, viewModel, "strokeWidth");
}
public void SetStrokeOpacity(Shape view, double strokeOpacity)
{
ShapeViewModel viewModel = (ShapeViewModel)view.DataContext;
viewModel.SetValue(ShapeViewModel.StrokeOpacityProperty, strokeOpacity);
UpdateShape(view, viewModel, "strokeOpacity");
}
public void setStrokeDashoffset(Shape view, double strokeDashOffset)
{
ShapeViewModel viewModel = (ShapeViewModel)view.DataContext;
viewModel.SetValue(ShapeViewModel.StrokeDashOffsetProperty, strokeDashOffset);
UpdateShape(view, viewModel, "strokeDashoffset");
}
public void SetStroke(Shape view, uint?iColor)
{
ShapeViewModel viewModel = (ShapeViewModel)view.DataContext;
viewModel.SetValue(ShapeViewModel.StrokeProperty, iColor);
UpdateShape(view, viewModel, "stroke");
}
public void SetX(Shape view, double x)
{
ShapeViewModel viewModel = (ShapeViewModel)view.DataContext;
viewModel.SetValue(ShapeViewModel.XProperty, x);
UpdateShape(view, viewModel, "x");
}
private void UpdateGroup(Canvas view, ShapeViewModel viewModel, string updateKey)
{
// 更新UpdateKeys
List <String> UpdateKeys = new List <string>(viewModel.UpdateKeys);
UpdateKeys.Add(updateKey);
viewModel.SetValue(ShapeViewModel.UpdateKeysProperty, UpdateKeys);
view.SetValue(Canvas.LeftProperty, viewModel.X);
view.SetValue(Canvas.TopProperty, viewModel.Y);
view.RenderTransformOrigin = viewModel.Origin;
ScaleTransform sctr = new ScaleTransform();
sctr.ScaleY = viewModel.Scale;
sctr.ScaleX = viewModel.Scale;
RotateTransform rttr = new RotateTransform();
rttr.Angle = viewModel.Rotate;
TransformGroup trfg = new TransformGroup();
trfg.Children.Add(sctr);
trfg.Children.Add(rttr);
view.RenderTransform = trfg;
view.DataContext = viewModel;
}
public void SetScale(Shape view, double scale)
{
ShapeViewModel viewModel = (ShapeViewModel)view.DataContext;
viewModel.SetValue(ShapeViewModel.ScaleProperty, scale);
UpdateShape(view, viewModel, "scale");
}
public void SetOriginY(Shape view, Point origin)
{
ShapeViewModel viewModel = (ShapeViewModel)view.DataContext;
viewModel.SetValue(ShapeViewModel.OriginProperty, origin);
UpdateShape(view, viewModel, "origin");
}
public void SetRotate(Shape view, double rotate)
{
ShapeViewModel viewModel = (ShapeViewModel)view.DataContext;
viewModel.SetValue(ShapeViewModel.RotateProperty, rotate);
UpdateShape(view, viewModel, "rotate");
}
public void SetFillOpacity(Shape view, double fillOpacity)
{
ShapeViewModel viewModel = (ShapeViewModel)view.DataContext;
viewModel.SetValue(ShapeViewModel.FillOpacityProperty, fillOpacity);
UpdateShape(view, viewModel, "fillOpacity");
}
public void SetFill(Shape view, uint?iColor)
{
ShapeViewModel viewModel = (ShapeViewModel)view.DataContext;
viewModel.SetValue(ShapeViewModel.FillProperty, iColor);
UpdateShape(view, viewModel, "fill");
}
public void setStrokeMiterlimit(Shape view, double strokeMiterlimit)
{
ShapeViewModel viewModel = (ShapeViewModel)view.DataContext;
viewModel.SetValue(ShapeViewModel.StrokeMiterlimitProperty, strokeMiterlimit);
UpdateShape(view, viewModel, "strokeMiterlimit");
}
public void setStrokeDasharray(Shape view, JArray strokeDasharray)
{
ShapeViewModel viewModel = (ShapeViewModel)view.DataContext;
viewModel.SetValue(ShapeViewModel.StrokeDashArrayProperty, strokeDasharray);
UpdateShape(view, viewModel, "strokeDasharray");
}
public void SetY(Shape view, double y)
{
ShapeViewModel viewModel = (ShapeViewModel)view.DataContext;
viewModel.SetValue(ShapeViewModel.YProperty, y);
UpdateShape(view, viewModel, "y");
}
public void SetOriginY(Shape view, double originY)
{
ShapeViewModel viewModel = (ShapeViewModel)view.DataContext;
Point origin = viewModel.Origin;
origin.Y = originY;
viewModel.SetValue(ShapeViewModel.OriginProperty, origin);
UpdateShape(view, viewModel, "originY");
}
public void SetOriginX(Canvas view, double originX)
{
ShapeViewModel viewModel = (ShapeViewModel)view.DataContext;
Point origin = viewModel.Origin;
origin.X = originX;
viewModel.SetValue(ShapeViewModel.OriginProperty, origin);
UpdateGroup(view, viewModel, "originX");
}
/// <summary>
/// 更新Shape组件
/// </summary>
/// <param name="view">Shape组件</param>
/// <param name="viewModel">DataContext上下文数据</param>
/// <param name="updateKey">更新的key值</param>
public static void UpdateShape(Shape view, ShapeViewModel viewModel, string updateKey)
{
// 更新UpdateKeys
List <String> UpdateKeys = new List <string>(viewModel.UpdateKeys);
UpdateKeys.Add(updateKey);
viewModel.SetValue(ShapeViewModel.UpdateKeysProperty, UpdateKeys);
if (viewModel.Stroke.HasValue)
{
Color color = ColorHelpers.Parse(viewModel.Stroke.Value);
color.A = Convert.ToByte(Convert.ToUInt16(color.A) * viewModel.StrokeOpacity);
view.Stroke = new SolidColorBrush(color);
view.StrokeThickness = viewModel.StrokeThickness;
if (viewModel.StrokeDashArray != null)
{
DoubleCollection dCollection = new DoubleCollection();
for (int i = 0; i < viewModel.StrokeDashArray.Count; ++i)
{
dCollection.Add(Convert.ToDouble(viewModel.StrokeDashArray[i].ToString()));
}
view.StrokeDashArray = dCollection;
}
view.StrokeDashOffset = viewModel.StrokeDashOffset;
view.StrokeMiterLimit = viewModel.StrokeMiterlimit;
view.StrokeLineJoin = (PenLineJoin)viewModel.StrokeLinejoin;
view.StrokeStartLineCap = (PenLineCap)viewModel.StrokeLinecap;
view.StrokeDashCap = (PenLineCap)viewModel.StrokeLinecap;
view.StrokeEndLineCap = (PenLineCap)viewModel.StrokeLinecap;
}
if (viewModel.Fill.HasValue)
{
Color color = ColorHelpers.Parse(viewModel.Fill.Value);
color.A = Convert.ToByte(Convert.ToUInt16(color.A) * viewModel.FillOpacity);
view.Fill = new SolidColorBrush(color);
}
view.SetValue(Canvas.LeftProperty, viewModel.X);
view.SetValue(Canvas.TopProperty, viewModel.Y);
view.RenderTransformOrigin = viewModel.Origin;
ScaleTransform sctr = new ScaleTransform();
sctr.ScaleY = viewModel.Scale;
sctr.ScaleX = viewModel.Scale;
RotateTransform rttr = new RotateTransform();
rttr.Angle = viewModel.Rotate;
TransformGroup trfg = new TransformGroup();
trfg.Children.Add(sctr);
trfg.Children.Add(rttr);
view.RenderTransform = trfg;
view.DataContext = viewModel;
}
public void SetStrokeLinecap(Shape view, string strokeLinecap)
{
List <string> strokeLinecapArray = new List <string>()
{
"butt", "square", "round"
};
int iStrokeLinecap = strokeLinecapArray.IndexOf(strokeLinecap);
ShapeViewModel viewModel = (ShapeViewModel)view.DataContext;
viewModel.SetValue(ShapeViewModel.StrokeLinecapProperty, iStrokeLinecap);
UpdateShape(view, viewModel, "strokeLinecap");
}
public void SetStrokeLinejoin(Shape view, string strokeLinejoin)
{
List <string> strokeLinejoinArray = new List <string>()
{
"miter", "bevel", "round"
};
int iStrokeLinejoin = strokeLinejoinArray.IndexOf(strokeLinejoin);
ShapeViewModel viewModel = (ShapeViewModel)view.DataContext;
viewModel.SetValue(ShapeViewModel.StrokeLinejoinProperty, iStrokeLinejoin);
UpdateShape(view, viewModel, "strokeLinejoin");
}
public override void AddView(Canvas parent, DependencyObject child, int index)
{
ShapeViewModel childViewModel = (ShapeViewModel)((Shape)child).DataContext;
ShapeViewModel parentViewModel = (ShapeViewModel)parent.DataContext;
List <String> parentUpdateKeys = parentViewModel.UpdateKeys;
List <String> childUpdateKeys = childViewModel.UpdateKeys;
List <String> canUpdateKeys = new List <String>()
{
"stroke", "strokeWidth", "strokeOpacity", "strokeLinecap", "strokeLinejoin", "strokeDasharray", "strokeDashoffset", "strokeMiterlimit", "fill", "fillOpacity"
};
parentUpdateKeys.ForEach((str) =>
{
if (childUpdateKeys.IndexOf(str) == -1 && canUpdateKeys.IndexOf(str) != -1)
{
switch (str)
{
case "stroke":
childViewModel.Stroke = parentViewModel.Stroke;
break;
case "strokeWidth":
childViewModel.StrokeThickness = parentViewModel.StrokeThickness;
break;
case "strokeOpacity":
childViewModel.StrokeOpacity = parentViewModel.StrokeOpacity;
break;
case "strokeLinecap":
childViewModel.StrokeLinecap = parentViewModel.StrokeLinecap;
break;
case "strokeLinejoin":
childViewModel.StrokeLinejoin = parentViewModel.StrokeLinejoin;
break;
case "strokeDasharray":
childViewModel.StrokeDashArray = parentViewModel.StrokeDashArray;
break;
case "strokeDashoffset":
childViewModel.StrokeDashOffset = parentViewModel.StrokeDashOffset;
break;
case "strokeMiterlimit":
childViewModel.StrokeMiterlimit = parentViewModel.StrokeMiterlimit;
break;
case "fill":
childViewModel.Fill = parentViewModel.Fill;
break;
case "fillOpacity":
childViewModel.FillOpacity = parentViewModel.FillOpacity;
break;
}
ShapeViewModel.UpdateShape((Shape)child, childViewModel, str);
}
});
parent.Children.Add((UIElement)child);
}
private void UpdateShape(Shape view, ShapeViewModel viewModel, string updateKey)
{
ShapeViewModel.UpdateShape(view, viewModel, updateKey);
}
