zhusenlin/aistudio-wpf-diagram
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添加block快，不需要连接线，直接吸附。

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艾竹
2023-05-21 22:06:59 +08:00
parent 2fd8321363
commit fde899cfa9
30 changed files with 680 additions and 338 deletions
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33
AIStudio.Wpf.DiagramDesigner/Helpers/PointHelper.cs
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@@ -13,10 +13,17 @@ namespace AIStudio.Wpf.DiagramDesigner
return point;
}
var connectorWidth = double.IsNaN(connector.ConnectorWidth) ? 0 : connector.ConnectorWidth;
var connectorHeight = double.IsNaN(connector.ConnectorHeight) ? 0 : connector.ConnectorHeight;
var left = connector.DataItem.Left;
var top = connector.DataItem.Top;
var itemWidth = connector.DataItem.ItemWidth;
var itemHeight = connector.DataItem.ItemHeight;
if (connector.IsInnerPoint)
{
point = new PointBase(connector.DataItem.Left + connector.DataItem.ItemWidth * connector.XRatio - connector.ConnectorWidth / 2,
connector.DataItem.Top + connector.DataItem.ItemHeight * connector.YRatio - connector.ConnectorHeight / 2);
point = new PointBase(left + itemWidth * connector.XRatio - connectorWidth / 2,
top + itemHeight * connector.YRatio - connectorHeight / 2);
}
else if (connector.IsPortless)
{
@@ -27,39 +34,39 @@ namespace AIStudio.Wpf.DiagramDesigner
switch (connector.Orientation)
{
case ConnectorOrientation.Left:
point = new PointBase(connector.DataItem.Left - connector.ConnectorWidth / 2, connector.DataItem.Top + (connector.DataItem.ItemHeight / 2) - connector.ConnectorHeight / 2);
point = new PointBase(left - connectorWidth / 2, top + (itemHeight / 2) - connectorHeight / 2);
break;
case ConnectorOrientation.TopLeft:
point = new PointBase(connector.DataItem.Left - connector.ConnectorWidth / 2, connector.DataItem.Top - connector.ConnectorHeight / 2);
point = new PointBase(left - connectorWidth / 2, top - connectorHeight / 2);
break;
case ConnectorOrientation.Top:
point = new PointBase(connector.DataItem.Left + (connector.DataItem.ItemWidth / 2) - connector.ConnectorWidth / 2, connector.DataItem.Top - connector.ConnectorHeight / 2);
point = new PointBase(left + (itemWidth / 2) - connectorWidth / 2, top - connectorHeight / 2);
break;
case ConnectorOrientation.TopRight:
point = new PointBase(connector.DataItem.Left + connector.DataItem.ItemWidth - connector.ConnectorWidth / 2, connector.DataItem.Top - connector.ConnectorHeight / 2);
point = new PointBase(left + itemWidth - connectorWidth / 2, top - connectorHeight / 2);
break;
case ConnectorOrientation.Right:
point = new PointBase(connector.DataItem.Left + connector.DataItem.ItemWidth - connector.ConnectorWidth / 2, connector.DataItem.Top + (connector.DataItem.ItemHeight / 2) - connector.ConnectorHeight / 2);
point = new PointBase(left + itemWidth - connectorWidth / 2, top + (itemHeight / 2) - connectorHeight / 2);
break;
case ConnectorOrientation.BottomRight:
point = new PointBase(connector.DataItem.Left + connector.DataItem.ItemWidth - connector.ConnectorWidth / 2, connector.DataItem.Top + connector.DataItem.ItemHeight - connector.ConnectorHeight / 2);
point = new PointBase(left + itemWidth - connectorWidth / 2, top + itemHeight - connectorHeight / 2);
break;
case ConnectorOrientation.Bottom:
point = new PointBase(connector.DataItem.Left + (connector.DataItem.ItemWidth / 2) - connector.ConnectorWidth / 2, connector.DataItem.Top + connector.DataItem.ItemHeight - connector.ConnectorHeight / 2);
point = new PointBase(left + (itemWidth / 2) - connectorWidth / 2, top + itemHeight - connectorHeight / 2);
break;
case ConnectorOrientation.BottomLeft:
point = new PointBase(connector.DataItem.Left - connector.ConnectorWidth / 2, connector.DataItem.Top + connector.DataItem.ItemHeight - connector.ConnectorHeight / 2);
point = new PointBase(left - connectorWidth / 2, top + itemHeight - connectorHeight / 2);
break;
default:
point = new PointBase(connector.DataItem.Left + (connector.DataItem.ItemWidth / 2) - connector.ConnectorWidth / 2, connector.DataItem.Top + (connector.DataItem.ItemHeight / 2) - connector.ConnectorHeight / 2);
point = new PointBase(left + (itemWidth / 2) - connectorWidth / 2, top + (itemHeight / 2) - connectorHeight / 2);
break;
}
}
if (middle)
{
point.X = point.X + connector.ConnectorWidth / 2;
point.Y = point.Y + connector.ConnectorHeight / 2;
point.X = point.X + connectorWidth / 2;
point.Y = point.Y + connectorHeight / 2;
}
//旋转后的坐标
var newX = (point.X - connector.DataItem.MiddlePosition.X) * Math.Cos(connector.DataItem.Angle * Math.PI / 180) - (point.Y - connector.DataItem.MiddlePosition.Y) * Math.Sin(connector.DataItem.Angle * Math.PI / 180) + connector.DataItem.MiddlePosition.X;