/// <summary>
/// Initialize new instance of <see cref="EllipseSelection"/> class.
/// </summary>
/// <param name="layer">The selection shapes layer.</param>
/// <param name="shape">The selected shape.</param>
/// <param name="style">The selection shapes style.</param>
/// <param name="point">The selection point shape.</param>
public EllipseSelection(XLayer layer, XEllipse shape, ShapeStyle style, BaseShape point)
{
_layer = layer;
_ellipse = shape;
_style = style;
_point = point;
}
/// <summary>
/// Initialize new instance of <see cref="CubicBezierSelection"/> class.
/// </summary>
/// <param name="layer">The selection shapes layer.</param>
/// <param name="shape">The selected shape.</param>
/// <param name="style">The selection shapes style.</param>
/// <param name="point">The selection point shape.</param>
public CubicBezierSelection(XLayer layer, ICubicBezier shape, ShapeStyle style, BaseShape point)
{
_layer = layer;
_cubicBezier = shape;
_style = style;
_point = point;
}
/// <summary>
/// Initialize new instance of <see cref="QuadraticBezierSelection"/> class.
/// </summary>
/// <param name="layer">The selection shapes layer.</param>
/// <param name="shape">The selected shape.</param>
/// <param name="style">The selection shapes style.</param>
/// <param name="point">The selection point shape.</param>
public QuadraticBezierSelection(XLayer layer, IQuadraticBezier shape, ShapeStyle style, BaseShape point)
{
_layer = layer;
_quadraticBezier = shape;
_style = style;
_point = point;
}
/// <summary>
/// Initialize new instance of <see cref="LineSelection"/> class.
/// </summary>
/// <param name="layer">The selection shapes layer.</param>
/// <param name="shape">The selected shape.</param>
/// <param name="style">The selection shapes style.</param>
/// <param name="point">The selection point shape.</param>
public LineSelection(XLayer layer, ILine shape, ShapeStyle style, BaseShape point)
{
_layer = layer;
_line = shape;
_style = style;
_point = point;
}
/// <summary>
/// Initialize new instance of <see cref="ImageSelection"/> class.
/// </summary>
/// <param name="layer">The selection shapes layer.</param>
/// <param name="shape">The selected shape.</param>
/// <param name="style">The selection shapes style.</param>
/// <param name="point">The selection point shape.</param>
public ImageSelection(XLayer layer, XImage shape, ShapeStyle style, BaseShape point)
{
_layer = layer;
_image = shape;
_style = style;
_point = point;
}
/// <summary>
/// Initialize new instance of <see cref="RectangleSelection"/> class.
/// </summary>
/// <param name="layer">The selection shapes layer.</param>
/// <param name="shape">The selected shape.</param>
/// <param name="style">The selection shapes style.</param>
/// <param name="point">The selection point shape.</param>
public RectangleSelection(XLayer layer, XRectangle shape, ShapeStyle style, BaseShape point)
{
_layer = layer;
_rectangle = shape;
_style = style;
_point = point;
}
/// <summary>
/// Initialize new instance of <see cref="ArcSelection"/> class.
/// </summary>
/// <param name="layer">The selection shapes layer.</param>
/// <param name="shape">The selected shape.</param>
/// <param name="style">The selection shapes style.</param>
/// <param name="point">The selection point shape.</param>
public ArcSelection(XLayer layer, IArc shape, ShapeStyle style, BaseShape point)
{
_layer = layer;
_arc = shape;
_style = style;
_point = point;
}
/// <summary>
/// Initialize new instance of <see cref="PointSelection"/> class.
/// </summary>
/// <param name="layer">The selection shapes layer.</param>
/// <param name="shape">The selected shape.</param>
/// <param name="style">The selection shapes style.</param>
/// <param name="point">The selection point shape.</param>
public PointSelection(XLayer layer, XPoint shape, ShapeStyle style, BaseShape point)
{
_layer = layer;
_shape = shape;
_style = style;
_point = point;
}
/// <summary>
/// Initialize new instance of <see cref="TextSelection"/> class.
/// </summary>
/// <param name="layer">The selection shapes layer.</param>
/// <param name="shape">The selected shape.</param>
/// <param name="style">The selection shapes style.</param>
/// <param name="point">The selection point shape.</param>
public TextSelection(XLayer layer, XText shape, ShapeStyle style, BaseShape point)
{
_layer = layer;
_text = shape;
_style = style;
_point = point;
}
/// <summary>
/// Initialize new instance of <see cref="PathSelection"/> class.
/// </summary>
/// <param name="layer">The selection shapes layer.</param>
/// <param name="shape">The selected shape.</param>
/// <param name="style">The selection shapes style.</param>
/// <param name="point">The selection point shape.</param>
public PathSelection(XLayer layer, XPath shape, ShapeStyle style, BaseShape point)
{
_layer = layer;
_path = shape;
_style = style;
_point = point;
}
/// <summary>
/// Creates a new <see cref="XEllipse"/> instance.
/// </summary>
/// <param name="x1">The X coordinate of <see cref="XText.TopLeft"/> corner point.</param>
/// <param name="y1">The Y coordinate of <see cref="XText.TopLeft"/> corner point.</param>
/// <param name="x2">The X coordinate of <see cref="XText.BottomRight"/> corner point.</param>
/// <param name="y2">The Y coordinate of <see cref="XText.BottomRight"/> corner point.</param>
/// <param name="style">The shape style.</param>
/// <param name="point">The point template.</param>
/// <param name="isStroked">The flag indicating whether shape is stroked.</param>
/// <param name="isFilled">The flag indicating whether shape is filled.</param>
/// <param name="text">The text string.</param>
/// <param name="name">The shape name.</param>
/// <returns>The new instance of the <see cref="XEllipse"/> class.</returns>
public static XEllipse Create(double x1, double y1, double x2, double y2, ShapeStyle style, BaseShape point, bool isStroked = true, bool isFilled = false, string text = null, string name = "")
{
return new XEllipse()
{
Name = name,
Style = style,
IsStroked = isStroked,
IsFilled = isFilled,
TopLeft = XPoint.Create(x1, y1, point),
BottomRight = XPoint.Create(x2, y2, point),
Text = text,
};
}
/// <summary>
/// Creates a new <see cref="XEllipse"/> instance.
/// </summary>
/// <param name="topLeft">The <see cref="XText.TopLeft"/> corner point.</param>
/// <param name="bottomRight">The <see cref="XText.BottomRight"/> corner point.</param>
/// <param name="style">The shape style.</param>
/// <param name="point">The point template.</param>
/// <param name="isStroked">The flag indicating whether shape is stroked.</param>
/// <param name="isFilled">The flag indicating whether shape is filled.</param>
/// <param name="text">The text string.</param>
/// <param name="name">The shape name.</param>
/// <returns>The new instance of the <see cref="XEllipse"/> class.</returns>
public static XEllipse Create(XPoint topLeft, XPoint bottomRight, ShapeStyle style, BaseShape point, bool isStroked = true, bool isFilled = false, string text = null, string name = "")
{
return new XEllipse()
{
Name = name,
Style = style,
IsStroked = isStroked,
IsFilled = isFilled,
TopLeft = topLeft,
BottomRight = bottomRight,
Text = text,
};
}
/// <summary>
/// Move edited shape.
/// </summary>
/// <param name="shape">The shape object.</param>
public virtual void Move(BaseShape shape)
{
}
/// <summary>
/// Finalize edited shape.
/// </summary>
/// <param name="shape">The shape object.</param>
public virtual void Finalize(BaseShape shape)
{
}
private void Remove(BaseShape shape)
{
if (shape == null)
return;
shape.PropertyChanged -= ObserveShape;
if (shape.Data != null)
{
Remove(shape.Data);
}
if (shape.State != null)
{
shape.State.PropertyChanged -= ObserveState;
}
if (shape is XPoint)
{
var point = shape as XPoint;
if (point.Shape != null)
{
point.Shape.PropertyChanged -= ObserveShape;
}
}
else if (shape is XLine)
{
var line = shape as XLine;
if (line.Start != null)
{
line.Start.PropertyChanged -= ObserveShape;
}
if (line.End != null)
{
line.End.PropertyChanged -= ObserveShape;
}
}
else if (shape is XRectangle)
{
var rectangle = shape as XRectangle;
if (rectangle.TopLeft != null)
{
rectangle.TopLeft.PropertyChanged -= ObserveShape;
}
if (rectangle.BottomRight != null)
{
rectangle.BottomRight.PropertyChanged -= ObserveShape;
}
}
else if (shape is XEllipse)
{
var ellipse = shape as XEllipse;
if (ellipse.TopLeft != null)
{
ellipse.TopLeft.PropertyChanged -= ObserveShape;
}
if (ellipse.BottomRight != null)
{
ellipse.BottomRight.PropertyChanged -= ObserveShape;
}
}
else if (shape is XArc)
{
var arc = shape as XArc;
if (arc.Point1 != null)
{
arc.Point1.PropertyChanged -= ObserveShape;
}
if (arc.Point2 != null)
{
arc.Point2.PropertyChanged -= ObserveShape;
}
if (arc.Point3 != null)
{
arc.Point3.PropertyChanged -= ObserveShape;
}
if (arc.Point4 != null)
{
arc.Point4.PropertyChanged -= ObserveShape;
}
}
else if (shape is XCubicBezier)
{
var cubicBezier = shape as XCubicBezier;
if (cubicBezier.Point1 != null)
{
cubicBezier.Point1.PropertyChanged -= ObserveShape;
}
if (cubicBezier.Point2 != null)
{
cubicBezier.Point2.PropertyChanged -= ObserveShape;
}
if (cubicBezier.Point3 != null)
{
cubicBezier.Point3.PropertyChanged -= ObserveShape;
}
if (cubicBezier.Point4 != null)
{
cubicBezier.Point4.PropertyChanged -= ObserveShape;
}
}
else if (shape is XQuadraticBezier)
{
var quadraticBezier = shape as XQuadraticBezier;
if (quadraticBezier.Point1 != null)
{
quadraticBezier.Point1.PropertyChanged -= ObserveShape;
}
if (quadraticBezier.Point2 != null)
{
quadraticBezier.Point2.PropertyChanged -= ObserveShape;
}
if (quadraticBezier.Point3 != null)
{
quadraticBezier.Point3.PropertyChanged -= ObserveShape;
}
}
else if (shape is XText)
{
var text = shape as XText;
if (text.TopLeft != null)
{
text.TopLeft.PropertyChanged -= ObserveShape;
}
if (text.BottomRight != null)
{
text.BottomRight.PropertyChanged -= ObserveShape;
}
}
else if (shape is XImage)
{
var image = shape as XImage;
if (image.TopLeft != null)
{
image.TopLeft.PropertyChanged -= ObserveShape;
}
if (image.BottomRight != null)
{
image.BottomRight.PropertyChanged -= ObserveShape;
}
}
else if (shape is XPath)
{
var path = shape as XPath;
if (path.Geometry != null)
{
Remove(path.Geometry);
}
}
else if (shape is XGroup)
{
var group = shape as XGroup;
if (group != null)
{
if (group.Shapes != null)
{
Remove(group.Shapes);
}
if (group.Connectors != null)
{
Remove(group.Connectors);
}
}
}
}
/// <summary>
/// Creates a new <see cref="XPoint"/> instance.
/// </summary>
/// <param name="x">The X coordinate of point.</param>
/// <param name="y">The Y coordinate of point.</param>
/// <param name="shape">The point template.</param>
/// <param name="alignment">The point alignment.</param>
/// <param name="name">The shape name.</param>
/// <returns>The new instance of the <see cref="XPoint"/> class.</returns>
public static XPoint Create(double x = 0.0, double y = 0.0, BaseShape shape = null, PointAlignment alignment = PointAlignment.None, string name = "")
{
return new XPoint()
{
Name = name,
Style = default(ShapeStyle),
X = x,
Y = y,
Alignment = alignment,
Shape = shape
};
}
public void Group_Shapes_Do_Not_Update_Source()
{
var shape1 = new Class1();
var shape2 = new Class1();
var point1 = new XPoint();
var point2 = new XPoint();
var shapes = new BaseShape[] { shape1, shape2, point1, point2 };
var source = shapes.ToList();
XGroup.Group("g", shapes, null);
Assert.Contains(shape1, source);
Assert.Contains(shape2, source);
Assert.Contains(point1, source);
Assert.Contains(point2, source);
Assert.Equal(4, source.Count);
}
public void Group_Shapes_Remove_And_Add_To_Source()
{
var shape1 = new Class1();
var shape2 = new Class1();
var point1 = new XPoint();
var point2 = new XPoint();
var shapes = new BaseShape[] { shape1, shape2, point1, point2 };
var source = shapes.ToList();
var target = XGroup.Group("g", shapes, source);
Assert.Equal("g", target.Name);
Assert.Contains(shape1, target.Shapes);
Assert.Contains(shape2, target.Shapes);
Assert.Equal(2, target.Shapes.Length);
Assert.Contains(point1, target.Connectors);
Assert.Contains(point2, target.Connectors);
Assert.Equal(2, target.Connectors.Length);
Assert.Contains(target, source);
Assert.Equal(1, source.Count);
}
/// <summary>
/// Creates a new <see cref="XLine"/> instance.
/// </summary>
/// <param name="x1">The X coordinate of <see cref="XLine.Start"/> point.</param>
/// <param name="y1">The Y coordinate of <see cref="XLine.Start"/> point.</param>
/// <param name="x2">The X coordinate of <see cref="XLine.End"/> point.</param>
/// <param name="y2">The Y coordinate of <see cref="XLine.End"/> point.</param>
/// <param name="style">The shape style.</param>
/// <param name="point">The point template.</param>
/// <param name="isStroked">The flag indicating whether shape is stroked.</param>
/// <param name="name">The shape name.</param>
/// <returns>The new instance of the <see cref="XLine"/> class.</returns>
public static XLine Create(double x1, double y1, double x2, double y2, ShapeStyle style, BaseShape point, bool isStroked = true, string name = "")
{
return new XLine()
{
Name = name,
Style = style,
IsStroked = isStroked,
IsFilled = false,
Start = XPoint.Create(x1, y1, point),
End = XPoint.Create(x2, y2, point)
};
}
/// <summary>
/// Adds <see cref="BaseShape"/> to <see cref="Shapes"/> collection.
/// </summary>
/// <param name="shape">The shape object.</param>
public void AddShape(BaseShape shape)
{
shape.Owner = this;
shape.State.Flags &= ~ShapeStateFlags.Standalone;
Shapes = Shapes.Add(shape);
}
/// <summary>
/// Creates a new <see cref="XCubicBezier"/> instance.
/// </summary>
/// <param name="point1">The <see cref="XCubicBezier.Point1"/> point.</param>
/// <param name="point2">The <see cref="XCubicBezier.Point2"/> point.</param>
/// <param name="point3">The <see cref="XCubicBezier.Point3"/> point.</param>
/// <param name="point4">The <see cref="XCubicBezier.Point4"/> point.</param>
/// <param name="style">The shape style.</param>
/// <param name="point">The point template.</param>
/// <param name="isStroked">The flag indicating whether shape is stroked.</param>
/// <param name="isFilled">The flag indicating whether shape is filled.</param>
/// <param name="name">The shape name.</param>
/// <returns>The new instance of the <see cref="XCubicBezier"/> class.</returns>
public static XCubicBezier Create(XPoint point1, XPoint point2, XPoint point3, XPoint point4, ShapeStyle style, BaseShape point, bool isStroked = true, bool isFilled = false, string name = "")
{
return new XCubicBezier()
{
Name = name,
Style = style,
IsStroked = isStroked,
IsFilled = isFilled,
Point1 = point1,
Point2 = point2,
Point3 = point3,
Point4 = point4
};
}
/// <summary>
/// Creates a new <see cref="XCubicBezier"/> instance.
/// </summary>
/// <param name="x">The X coordinate of <see cref="XCubicBezier.Point1"/>, <see cref="XCubicBezier.Point2"/>, <see cref="XCubicBezier.Point3"/> and <see cref="XCubicBezier.Point4"/> points.</param>
/// <param name="y">The Y coordinate of <see cref="XCubicBezier.Point1"/>, <see cref="XCubicBezier.Point2"/>, <see cref="XCubicBezier.Point3"/> and <see cref="XCubicBezier.Point4"/> points.</param>
/// <param name="style">The shape style.</param>
/// <param name="point">The point template.</param>
/// <param name="isStroked">The flag indicating whether shape is stroked.</param>
/// <param name="isFilled">The flag indicating whether shape is filled.</param>
/// <param name="name">The shape name.</param>
/// <returns>The new instance of the <see cref="XCubicBezier"/> class.</returns>
public static XCubicBezier Create(double x, double y, ShapeStyle style, BaseShape point, bool isStroked = true, bool isFilled = false, string name = "")
{
return Create(x, y, x, y, x, y, x, y, style, point, isStroked, isFilled, name);
}
/// <inheritdoc/>
public override void Move(BaseShape shape)
{
base.Move(shape);
_selection.Move();
}
/// <summary>
/// Creates a new <see cref="XLine"/> instance.
/// </summary>
/// <param name="start">The <see cref="XLine.Start"/> point.</param>
/// <param name="end">The <see cref="XLine.End"/> point.</param>
/// <param name="style">The shape style.</param>
/// <param name="point">The point template.</param>
/// <param name="isStroked">The flag indicating whether shape is stroked.</param>
/// <param name="name">The shape name.</param>
/// <returns>The new instance of the <see cref="XLine"/> class.</returns>
public static XLine Create(XPoint start, XPoint end, ShapeStyle style, BaseShape point, bool isStroked = true, string name = "")
{
return new XLine()
{
Name = name,
Style = style,
IsStroked = isStroked,
IsFilled = false,
Start = start,
End = end
};
}
/// <summary>
/// Creates a new <see cref="XRectangle"/> instance.
/// </summary>
/// <param name="x1">The X coordinate of <see cref="XText.TopLeft"/> corner point.</param>
/// <param name="y1">The Y coordinate of <see cref="XText.TopLeft"/> corner point.</param>
/// <param name="x2">The X coordinate of <see cref="XText.BottomRight"/> corner point.</param>
/// <param name="y2">The Y coordinate of <see cref="XText.BottomRight"/> corner point.</param>
/// <param name="style">The shape style.</param>
/// <param name="point">The point template.</param>
/// <param name="isStroked">The flag indicating whether shape is stroked.</param>
/// <param name="isFilled">The flag indicating whether shape is filled.</param>
/// <param name="text">The text string.</param>
/// <param name="name">The shape name.</param>
/// <returns>The new instance of the <see cref="XRectangle"/> class.</returns>
public static XRectangle Create(double x1, double y1, double x2, double y2, ShapeStyle style, BaseShape point, bool isStroked = true, bool isFilled = false, string text = null, string name = "")
{
return new XRectangle()
{
Name = name,
Style = style,
IsStroked = isStroked,
IsFilled = isFilled,
TopLeft = XPoint.Create(x1, y1, point),
BottomRight = XPoint.Create(x2, y2, point),
Text = text,
IsGrid = false,
OffsetX = 30.0,
OffsetY = 30.0,
CellWidth = 30.0,
CellHeight = 30.0
};
}
/// <summary>
/// Ungroup shape.
/// </summary>
/// <param name="shape">The shape instance.</param>
/// <param name="source">The source shapes collection.</param>
/// <param name="isShapeFromGroup">The flag indicating whether shape originates from group.</param>
public static void Ungroup(BaseShape shape, IList<BaseShape> source, bool isShapeFromGroup = false)
{
if (shape != null && source != null)
{
if (shape is XGroup)
{
var group = shape as XGroup;
Ungroup(group.Shapes, source, isShapeFromGroup: true);
Ungroup(group.Connectors, source, isShapeFromGroup: true);
// Remove group from source collection.
source.Remove(group);
}
else if (isShapeFromGroup)
{
if (shape is XPoint)
{
// Remove connector related state flags.
shape.State.Flags &=
~(ShapeStateFlags.Connector
| ShapeStateFlags.None
| ShapeStateFlags.Input
| ShapeStateFlags.Output);
}
// Add shape standalone flag.
shape.State.Flags |= ShapeStateFlags.Standalone;
// Add shape to source collection.
source.Add(shape);
}
}
}
/// <summary>
/// Hit test point in shape bounds.
/// </summary>
/// <param name="shape"></param>
/// <param name="v"></param>
/// <param name="threshold"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <returns></returns>
public static BaseShape HitTest(BaseShape shape, Vector2 v, double threshold, double dx, double dy)
{
if (shape is XPoint)
{
return HitTestPoint(shape as XPoint, v, threshold, dx, dy);
}
else if (shape is XLine)
{
return HitTestLine(shape as XLine, v, threshold, dx, dy);
}
else if (shape is XRectangle)
{
return HitTestRectangle(shape as XRectangle, v, threshold, dx, dy);
}
else if (shape is XEllipse)
{
return HitTestEllipse(shape as XEllipse, v, threshold, dx, dy);
}
else if (shape is XArc)
{
return HitTestArc(shape as XArc, v, threshold, dx, dy);
}
else if (shape is XCubicBezier)
{
return HitTestCubicBezier(shape as XCubicBezier, v, threshold, dx, dy);
}
else if (shape is XQuadraticBezier)
{
return HitTestQuadraticBezier(shape as XQuadraticBezier, v, threshold, dx, dy);
}
else if (shape is XText)
{
return HitTestText(shape as XText, v, threshold, dx, dy);
}
else if (shape is XImage)
{
return HitTestImage(shape as XImage, v, threshold, dx, dy);
}
else if (shape is XPath)
{
return HitTestPath(shape as XPath, v, threshold, dx, dy);
}
else if (shape is XGroup)
{
return HitTestGroup(shape as XGroup, v, threshold, dx, dy);
}
return null;
}
/// <summary>
/// Creates a new <see cref="XLine"/> instance.
/// </summary>
/// <param name="x">The X coordinate of <see cref="XLine.Start"/> and <see cref="XLine.End"/> points.</param>
/// <param name="y">The Y coordinate of <see cref="XLine.Start"/> and <see cref="XLine.End"/> points.</param>
/// <param name="style">The shape style.</param>
/// <param name="point">The point template.</param>
/// <param name="isStroked">The flag indicating whether shape is stroked.</param>
/// <param name="name">The shape name.</param>
/// <returns>The new instance of the <see cref="XLine"/> class.</returns>
public static XLine Create(double x, double y, ShapeStyle style, BaseShape point, bool isStroked = true, string name = "")
{
return Create(x, y, x, y, style, point, isStroked, name);
}
/// <inheritdoc/>
public override void Finalize(BaseShape shape)
{
base.Finalize(shape);
var arc = shape as XArc;
var a = WpfArc.FromXArc(arc);
if (!_connectedPoint3)
{
arc.Point3.X = a.Start.X;
arc.Point3.Y = a.Start.Y;
}
if (!_connectedPoint4)
{
arc.Point4.X = a.End.X;
arc.Point4.Y = a.End.Y;
}
}
/// <summary>
/// Creates a new <see cref="XCubicBezier"/> instance.
/// </summary>
/// <param name="x1">The X coordinate of <see cref="XCubicBezier.Point1"/> point.</param>
/// <param name="y1">The Y coordinate of <see cref="XCubicBezier.Point1"/> point.</param>
/// <param name="x2">The X coordinate of <see cref="XCubicBezier.Point2"/> point.</param>
/// <param name="y2">The Y coordinate of <see cref="XCubicBezier.Point2"/> point.</param>
/// <param name="x3">The X coordinate of <see cref="XCubicBezier.Point3"/> point.</param>
/// <param name="y3">The Y coordinate of <see cref="XCubicBezier.Point3"/> point.</param>
/// <param name="x4">The X coordinate of <see cref="XCubicBezier.Point4"/> point.</param>
/// <param name="y4">The Y coordinate of <see cref="XCubicBezier.Point4"/> point.</param>
/// <param name="style">The shape style.</param>
/// <param name="point">The point template.</param>
/// <param name="isStroked">The flag indicating whether shape is stroked.</param>
/// <param name="isFilled">The flag indicating whether shape is filled.</param>
/// <param name="name">The shape name.</param>
/// <returns>The new instance of the <see cref="XCubicBezier"/> class.</returns>
public static XCubicBezier Create(double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4, ShapeStyle style, BaseShape point, bool isStroked = true, bool isFilled = false, string name = "")
{
return new XCubicBezier()
{
Name = name,
Style = style,
IsStroked = isStroked,
IsFilled = isFilled,
Point1 = XPoint.Create(x1, y1, point),
Point2 = XPoint.Create(x2, y2, point),
Point3 = XPoint.Create(x3, y3, point),
Point4 = XPoint.Create(x4, y4, point)
};
}