public ConnectionAdorner(DesignerCanvas designer, Connection connection)
: base(designer)
{
this.designerCanvas = designer;
adornerCanvas = new Canvas();
this.visualChildren = new VisualCollection(this);
this.visualChildren.Add(adornerCanvas);
this.connection = connection;
this.connection.PropertyChanged += new PropertyChangedEventHandler(AnchorPositionChanged);
InitializeDragThumbs();
drawingPen = new Pen(Brushes.LightSlateGray, 1);
drawingPen.LineJoin = PenLineJoin.Round;
}
/// <summary>
/// 初始化流程图
/// </summary>
/// <param name="flowList"></param>
public void LoadFlowChart(List<Tx_Node> flowList)
{
_countedNodes = new List<Tx_Node>();
_nodes = new List<Tx_Node>();
_allEntrys = new List<Tx_Entry>();
if (flowList == null || flowList.Count() < 1) return;
//int m_MaxFlowCode = flowList.Count() + 1;
startNode =(Convert.ToInt32(flowList.Select(x => x.Code).Min())-1).ToString();
endNode = (Convert.ToInt32(flowList.Select(x => x.Code).Max()) + 1).ToString();
_nodes.Add(new Tx_Node(startNode, "", "开始"));
_nodes.Add(new Tx_Node(endNode, "", "结束"));
LayOut(flowList);//确定布局,初始化数据
if (_countedNodes == null) return;
#region 构造流程节点
foreach (var node in _countedNodes)
{
Label lbl = new Label { Width = 150, Height = 45, Content = node.Name, Tag = node.Code };
lbl.Style = nodeStyle as Style;
DesignerItem item = new DesignerItem(node.Code);
item.Remark = node.Content;//备注
item.ErrorInfo = node.ErrInfo;//错误信息
switch (node.Stat.ToUpper())
{
case "Z":
item.SourceTipSymbol = DesignerItemTip.Error; //失败
item.ToolTip = "结账失败";
break;
case "Y":
item.SourceTipSymbol = DesignerItemTip.Success;//成功
item.ToolTip = "结账成功";
break;
case "N":
item.SourceTipSymbol=DesignerItemTip.UnHandled;//未处理
item.ToolTip = "未处理";
break;
case "S":
item.SourceTipSymbol = DesignerItemTip.Execute;//正在执行
//if (_focusAdornerLayer == null)
// {
// _focusAdornerLayer = AdornerLayer.GetAdornerLayer(item);
// }
// _preAdorder = new FocusAdorner(item);
// _preAdorder.IsClipEnabled = true;
// _focusAdornerLayer.Add(_preAdorder);
item.ToolTip = "正在执行";
break;
default:
item.SourceTipSymbol = DesignerItemTip.None;
break;
}
Canvas.SetLeft(item, Double.Parse("10", CultureInfo.InvariantCulture) + node.X);
Canvas.SetTop(item, Double.Parse("5", CultureInfo.InvariantCulture) + node.Y);
Canvas.SetZIndex(item, Int32.Parse("0"));
item.Content = lbl;
item.ToolTip = node.Content;
if (!string.IsNullOrEmpty(node.Sub_Code.Trim()))
item.IsDragConnectionOver = true;
this.Children.Add(item);
ControlTemplate template = DesignerItem.GetConnectorDecoratorTemplate(item) as ControlTemplate;
DesignerItem.SetConnectorDecoratorTemplate(item, template);
}
#endregion
#region 构造流程线条
this.InvalidateVisual();//使元素的呈现无效，并强制执行完整的新布局处理过程。布局循环完成后
if (_allEntrys == null) return;
foreach (Tx_Entry entry in _allEntrys)
{
string sourceID = entry.StartNode;
string sinkID = entry.EndNode;
string sourceConnectorName = "ConnectorBottomName";
string sinkConnectorName = "ConnectorTopName";
if (!string.IsNullOrEmpty(sinkID) && !string.IsNullOrEmpty(sourceID))
{
String strContent = entry.Condition;
Connector sourceConnector = GetConnector(sourceID, sourceConnectorName);
Connector sinkConnector = GetConnector(sinkID, sinkConnectorName);
Connection connection = new Connection(sourceConnector, sinkConnector, strContent);
Canvas.SetZIndex(connection, 5);
this.Children.Add(connection);
}
}
#endregion
}
protected override void OnMouseUp(MouseButtonEventArgs e)
{
if (HitConnector != null)
{
Connector sourceConnector = this.sourceConnector;
Connector sinkConnector = this.HitConnector;
Connection newConnection = new Connection(sourceConnector, sinkConnector);
// connections are added with z-index of zero
this.designerCanvas.Children.Insert(0, newConnection);
}
if (HitDesignerItem != null)
{
this.HitDesignerItem.IsDragConnectionOver = false;
}
if (this.IsMouseCaptured) this.ReleaseMouseCapture();
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(this.designerCanvas);
if (adornerLayer != null)
{
adornerLayer.Remove(this);
}
}