/// <summary>
/// Constructor
/// </summary>
/// <param name="cc">Object for holding any displayed dialogs</param>
/// <param name="action">The action that initiated this command</param>
/// <param name="start">Point initially selected at start of command</param>
internal NewCircularArcUI(IControlContainer cc, IUserAction action, PointFeature start)
: base(cc, action, start)
{
m_IsShortArc = true;
m_Circles = null;
m_NewArcCircle = null;
m_Geom = null;
}
internal override void MouseMove(IPosition p)
{
base.MouseMove(p);
// Remember current geometry
m_Geom = CreateIntersectGeometry();
// If we got something, it's possible the end position doesn't exactly
// match the end location determined by base.MouseMove.
if (m_Geom!=null)
base.LastMousePosition = m_Geom.EC;
}
/// <summary>
/// Performs the data processing associated with this editing operation.
/// </summary>
/// <param name="ctx">The context in which the geometry is being calculated.</param>
internal override void CalculateGeometry(EditingContext ctx)
{
IPosition p = Calculate();
PointGeometry pg = PointGeometry.Create(p);
m_NewPoint.ApplyPointGeometry(ctx, pg);
// If the extension line was a circular arc, we also need to define it's geometry.
// This COULD have been defined at an earlier stage (e.g. as part of CreateFeature),
// but it's more consistent to do it as part of this method.
if (m_NewLine is ArcFeature)
{
ArcFeature arc = m_ExtendLine.GetArcBase();
Circle circle = arc.Circle;
Debug.Assert(circle != null);
bool iscw = arc.IsClockwise;
if (!m_IsExtendFromEnd)
iscw = !iscw;
ArcGeometry geom = new ArcGeometry(circle, m_NewLine.StartPoint, m_NewLine.EndPoint, iscw);
(m_NewLine as ArcFeature).Geometry = geom;
}
}
/// <summary> Creates an arc using the 1st ArcGeometry constructor. </summary>
private void CreateArc1()
{
var arc = new ArcGeometry();
arc.Commit();
}
/// <summary>
/// 解析指定的XML对象
/// </summary>
/// <param name="messageXML"></param>
private void ParseXML(XmlReader xmlReader)
{
Geometry2D shape = null;
switch (xmlReader.Name)
{
case "ArcGeometry":
shape = new ArcGeometry();
break;
case "BeamGeometry":
shape = new BeamGeometry();
break;
case "CircleGeometry":
shape = new CircleGeometry();
break;
case "CSectionGeometry":
shape = new CSectionGeometry();
break;
case "EllipseGeometry":
shape = new EllipseGeometry();
break;
case "FloorGeometry":
shape = new FloorGeometry();
break;
case "LineGeometry":
shape = new LineGeometry();
break;
case "MeasureGeometry":
shape = new MeasureGeometry();
break;
case "MemberGeometry":
shape = new MemberGeometry();
break;
case "OSBGeometry":
shape = new OSBGeometry();
break;
case "PointGeometry":
shape = new PointGeometry();
break;
case "PolygonGeometry":
shape = new PolygonGeometry();
break;
case "PolylineGeometry":
shape = new PolylineGeometry();
break;
case "RectangleGeometry":
shape = new RectangleGeometry();
break;
case "SteelBeamGeometry":
shape = new SteelBeamGeometry();
break;
case "TextGeometry":
shape = new TextGeometry();
break;
case "WallGeometry":
shape = new WallGeometry();
break;
}
if (shape != null)
{
//将信息写入数据流中
shape.ReadXML(xmlReader);
//将图形添加都界面上
this.drawingKernel.AddShape(shape);
}
}
