void DeseignCanvas_DesignPointerReleased(object sender, PointerRoutedEventArgs e)
{
HideDesignLine();
DeseignCanvas.PointerMoved -= new PointerEventHandler(DeseignCanvas_DesignPointerMoved);
DeseignCanvas.PointerReleased -= new PointerEventHandler(DeseignCanvas_DesignPointerReleased);
IDesignRelation l = null;
if ((StartAnchor != null) && (EndAnchor != null) && (EndAnchor != StartAnchor))
{
l = null;
if (!getNewRelationControlByID.Equals(null))//新建关联
{
l = getNewRelationControl(null, null);
}
if (l == null)//新建失败使用默认关联
{
l = new LynxConnectLine();
l.IsErrorData = true;
}
if (l != null)
{
l.designCanvas = this;
l.StartAnchorPoint = StartAnchor;
l.EndAnchorPoint = EndAnchor;
StartAnchor.OutRelationList.Add(l);
EndAnchor.InRelationList.Add(l);
l.SourceID = StartAnchor.ParentConnectControl.ObjectID;
l.TargetID = EndAnchor.ParentConnectControl.ObjectID;
}
}
if (l == null)
{
return;
} //没有能够创立链接
sendObjectOperationEvent(l, DesignOperationFlag.CreateRelation); //建立新的连接
l.ReadFromObject();
DeActiveAll();
l.DrawRelationLine(StartPoint.Value, e.GetCurrentPoint(getCanvas()).Position);
RelationList.Add(l);
ActiveDesignObject(l);
EndAnchor = null;
StartAnchor = null;
CurrentConnectPoint = null;
}
public void LoadLogicViewInfor()//读取设计数据
{
if (LogicDiagram == null)
{
return;
}
Width = LogicDiagram.Width;
Height = LogicDiagram.Height;
DeseignCanvas.Children.Clear();
LFCDataService lfcs = new LFCDataService();
foreach (ViewItem vi in LogicDiagram.NodeItemList)
{
IDesignNode dn = getNewNodeControl(vi.DataObjectType, vi.DataObjectID);
if (dn == null) //表示委托方法没有能够完成加载一个数据对应的设计节点，此时建立空节点
{
dn.IsErrorData = true; //决定显示时候是红色
Type t = Type.GetType(vi.ControlType);
if (t != null)
{
object co = Activator.CreateInstance(t);
if (co != null && co is IDesignNode)
{
dn = co as IDesignNode;
}
}
}
if (dn == null)
{
dn = new LynxDefaultNode();
dn.IsErrorData = true;
}
DeseignCanvas.Children.Add(dn.getControl());
dn.LogicViewObject = vi;
dn.LoadLogicViewInfor();
dn.designCanvas = this;
}
foreach (ViewLineItem vl in LogicDiagram.RelationItemList)
{
IDesignRelation l = null;
if (!getNewRelationControlByID.Equals(null))
{
l = getNewRelationControl(vl.DataObjectType, vl.DataObjectID);
}
if (l == null)
{
l = new LynxConnectLine();
l.IsErrorData = true;
}
l.designCanvas = this;
l.LogicViewObject = vl;
l.LoadLogicViewInfor();
l.DrawRelationLine(l.StartPoint, l.EndPoint);
List <FrameworkElement> fel = null;
fel = getControlList(l.SourceID);
foreach (FrameworkElement fe in fel)
{
IDesignNode idn = fe as IDesignNode;
if (idn != null)
{
idn.AddRelationAsSourceObject(l);
}
}
fel = getControlList(l.TargetID);
foreach (FrameworkElement fe in fel)
{
IDesignNode idn = fe as IDesignNode;
if (idn != null)
{
idn.AddRelationAsTargetObject(l);
}
}
}
}
