zhusenlin/aistudio-wpf-diagram
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连线完成

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艾竹
2023-01-20 22:43:08 +08:00
parent f8a0b29d5f
commit c4ab1a6355
3 changed files with 99 additions and 71 deletions
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91
AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/ConnectorViewModel.cs
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@@ -37,6 +37,7 @@ namespace AIStudio.Wpf.DiagramDesigner
private void Init(FullyCreatedConnectorInfo sourceConnectorInfo, ConnectorInfoBase sinkConnectorInfo)
{
this.Parent = sourceConnectorInfo.DataItem.Parent;
if (Parent != null && Parent.ColorViewModel != null)
{
this.ColorViewModel = CopyHelper.Mapper(Parent.ColorViewModel);
@@ -45,6 +46,7 @@ namespace AIStudio.Wpf.DiagramDesigner
{
this.ColorViewModel.RightArrowPathStyle = ArrowPathStyle.None;
}
ColorViewModel.PropertyChanged += ColorViewModel_PropertyChanged;
var routetype = GlobalType.AllTypes.Where(p => typeof(IRouter).IsAssignableFrom(p)).FirstOrDefault(p => p.Name == RouterMode);
Router = routetype != null ? (System.Activator.CreateInstance(routetype) as IRouter) : new RouterNormal();
@@ -55,7 +57,18 @@ namespace AIStudio.Wpf.DiagramDesigner
this.SourceConnectorInfo = sourceConnectorInfo;
this.SinkConnectorInfo = sinkConnectorInfo;
DeleteConnectionCommand = new SimpleCommand(DeleteConnection);
AddVertexCommand = new SimpleCommand(AddVertex);
AddVertexCommand = new SimpleCommand(AddVertex);
}
private void ColorViewModel_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == nameof(ColorViewModel.LeftArrowPathStyle) ||
e.PropertyName == nameof(ColorViewModel.LeftArrowSizeStyle) ||
e.PropertyName == nameof(ColorViewModel.RightArrowPathStyle) ||
e.PropertyName == nameof(ColorViewModel.RightArrowSizeStyle))
{
UpdatePathGeneratorResult();
}
}
public override SelectableDesignerItemBase ToXmlObject()
@@ -200,7 +213,7 @@ namespace AIStudio.Wpf.DiagramDesigner
RectangleBase oldarea = _area;
if (SetProperty(ref _area, value))
{
UpdateConnectionPoints();
UpdatePathGeneratorResult();
OutTextItemLocation(oldarea, value);
}
}
@@ -343,7 +356,7 @@ namespace AIStudio.Wpf.DiagramDesigner
Area = new RectangleBase(SourceA, SourceB);
}
private void UpdateConnectionPoints()
private void UpdatePathGeneratorResult()
{
if (SourceConnectorInfo == null || SinkConnectorInfo == null)
return;
@@ -351,17 +364,77 @@ namespace AIStudio.Wpf.DiagramDesigner
var route = Router.Get(Parent, this);
(var source, var target) = FindConnectionPoints(route);
if (source == null || target == null)
return;
if (source == null || target == null)
return;
PathGeneratorResult = PathGenerator.Get(Parent, this, route, source.Value, target.Value);
StartPoint = new PointBase(source.Value.X - Area.Left, source.Value.Y - Area.Top);
EndPoint = new PointBase(target.Value.X - Area.Left, target.Value.Y - Area.Top);
//修正旋转
switch (SourceConnectorInfo.Orientation)
{
case ConnectorOrientation.Left:
{
StartPoint = new PointBase(PathGeneratorResult.SourceMarkerPosition.X, PathGeneratorResult.SourceMarkerPosition.Y - ColorViewModel.LeftArrowSize / 2);
break;
}
case ConnectorOrientation.Top:
{
StartPoint = new PointBase(PathGeneratorResult.SourceMarkerPosition.X - ColorViewModel.LeftArrowSize / 2, PathGeneratorResult.SourceMarkerPosition.Y);
break;
}
case ConnectorOrientation.Right:
{
StartPoint = new PointBase(PathGeneratorResult.SourceMarkerPosition.X - ColorViewModel.LeftArrowSize, PathGeneratorResult.SourceMarkerPosition.Y - ColorViewModel.LeftArrowSize / 2);
break;
}
case ConnectorOrientation.Bottom:
{
StartPoint = new PointBase(PathGeneratorResult.SourceMarkerPosition.X - ColorViewModel.LeftArrowSize / 2, PathGeneratorResult.SourceMarkerPosition.Y - ColorViewModel.LeftArrowSize);
break;
}
default:
{
StartPoint = PathGeneratorResult.SourceMarkerPosition;
break;
}
}
//修正旋转
switch (SinkConnectorInfo.Orientation)
{
case ConnectorOrientation.Left:
{
EndPoint = new PointBase(PathGeneratorResult.TargetMarkerPosition.X, PathGeneratorResult.TargetMarkerPosition.Y - ColorViewModel.RightArrowSize / 2);
break; }
case ConnectorOrientation.Top:
{
EndPoint = new PointBase(PathGeneratorResult.TargetMarkerPosition.X - ColorViewModel.RightArrowSize / 2, PathGeneratorResult.TargetMarkerPosition.Y);
break;
}
case ConnectorOrientation.Right:
{
EndPoint = new PointBase(PathGeneratorResult.TargetMarkerPosition.X - ColorViewModel.RightArrowSize, PathGeneratorResult.TargetMarkerPosition.Y - ColorViewModel.RightArrowSize / 2);
break;
}
case ConnectorOrientation.Bottom:
{
EndPoint = new PointBase(PathGeneratorResult.TargetMarkerPosition.X - ColorViewModel.RightArrowSize / 2, PathGeneratorResult.TargetMarkerPosition.Y - ColorViewModel.RightArrowSize);
break;
}
default:
{
EndPoint = PathGeneratorResult.TargetMarkerPosition;
break;
}
}
StartAngle = PathGeneratorResult.SourceMarkerAngle;
EndAngle = PathGeneratorResult.TargetMarkerAngle;
}
private void ConnectorViewModel_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
switch (e.PropertyName)
@@ -415,7 +488,7 @@ namespace AIStudio.Wpf.DiagramDesigner
{
MouseButtonEventArgs mosueArg = ((EventToCommandArgs)parameter).EventArgs as MouseButtonEventArgs;
var position = mosueArg.GetPosition(((EventToCommandArgs)parameter).Sender as IInputElement);
ConnectionPoints.Add(new ConnectorPoint(position.X, position.Y));
if (!((Keyboard.Modifiers & ModifierKeys.Control) == ModifierKeys.Control))