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https://gitee.com/akwkevin/aistudio.-wpf.-diagram
synced 2026-03-03 00:00:57 +08:00
代码整理
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@@ -8,142 +8,6 @@ namespace AIStudio.Wpf.DiagramDesigner
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{
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public static class BlockDesignerItemViewModelHelper
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{
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/// <summary>
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/// type=0最近且没有依附;=1
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/// </summary>
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/// <param name="blockDesignerItemViewModel"></param>
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/// <param name="type"></param>
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/// <returns></returns>
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public static Tuple<FullyCreatedConnectorInfo, FullyCreatedConnectorInfo> FindNearPortToAttachTo(this IDiagramViewModel diagramViewModel, BlockDesignerItemViewModel blockDesignerItemViewModel, bool isExist)
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{
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if (blockDesignerItemViewModel == null)
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return new Tuple<FullyCreatedConnectorInfo, FullyCreatedConnectorInfo>(null, null);
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List<BlockDesignerItemViewModel> items;
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if (isExist == false)
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{
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items = diagramViewModel.Items.OfType<BlockDesignerItemViewModel>().
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Where(p => p != blockDesignerItemViewModel && p != blockDesignerItemViewModel.Parent && p != blockDesignerItemViewModel.Next)
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.ToList();
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}
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else
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{
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items = diagramViewModel.Items.OfType<BlockDesignerItemViewModel>().
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Where(p => p != blockDesignerItemViewModel)
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.ToList();
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}
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FullyCreatedConnectorInfo parent = null;
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FullyCreatedConnectorInfo next = null;
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foreach (var port in items.SelectMany(n => n.Connectors))
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{
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foreach (var port2 in blockDesignerItemViewModel.Connectors)
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{
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//parent
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if (parent == null)
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{
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if ((port.Orientation == ConnectorOrientation.Right && port2.Orientation == ConnectorOrientation.Left)
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|| (port.Orientation == ConnectorOrientation.Bottom && port2.Orientation == ConnectorOrientation.Top))
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{
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if (port.Position.DistanceTo(port2.Position) < diagramViewModel.DiagramOption.SnappingOption.SnappingRadius)
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{
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port.DataItem.ShowConnectors = true;
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if (port2.CanAttachTo(port) == true)
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{
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port.BeAttachTo = true;
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parent = port;
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continue;
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}
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else
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{
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port.DisableAttachTo = true;
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}
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}
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}
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}
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//next
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if (next == null)
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{
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if ((port.Orientation == ConnectorOrientation.Left && port2.Orientation == ConnectorOrientation.Right)
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|| (port.Orientation == ConnectorOrientation.Top && port2.Orientation == ConnectorOrientation.Bottom))
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{
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if (port.Position.DistanceTo(port2.Position) < diagramViewModel.DiagramOption.SnappingOption.SnappingRadius)
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{
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port.DataItem.ShowConnectors = true;
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if (port2.CanAttachTo(port) == true)
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{
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port.BeAttachTo = true;
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next = port;
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continue;
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}
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else
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{
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port.DisableAttachTo = true;
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}
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}
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}
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}
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}
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}
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return new Tuple<FullyCreatedConnectorInfo, FullyCreatedConnectorInfo>(parent, next);
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}
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public static BlockItemsContainerInfo FindNearContainerToAttachTo(this IDiagramViewModel diagramViewModel, BlockDesignerItemViewModel blockDesignerItemViewModel)
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{
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if (blockDesignerItemViewModel == null)
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return null;
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List<BlockDesignerItemViewModel> items;
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items = diagramViewModel.Items.OfType<BlockDesignerItemViewModel>().
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Where(p => p != blockDesignerItemViewModel)
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.ToList();
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foreach (var port in items.SelectMany(n => n.Containers))
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{
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if (port.GetBounds().IntersectsWith(blockDesignerItemViewModel.GetBounds())) //如果两个位置相交
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{
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var innerport = port.GetAllContainers(port.Children, false).Where(p => p.GetBounds().IntersectsWith(blockDesignerItemViewModel.GetBounds())).OrderByDescending(p => p.ContainerLevel).FirstOrDefault();
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if (innerport != null)
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{
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innerport.DataItem.ShowConnectors = true;
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if (innerport.CanAttachTo(blockDesignerItemViewModel) == true)
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{
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innerport.BeAttachTo = true;
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}
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else
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{
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innerport.DisableAttachTo = true;
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}
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return innerport;
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}
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else
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{
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port.DataItem.ShowConnectors = true;
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if (port.CanAttachTo(blockDesignerItemViewModel) == true)
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{
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port.BeAttachTo = true;
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}
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else
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{
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port.DisableAttachTo = true;
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}
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return port;
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}
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}
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}
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return null;
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}
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/// <summary>
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/// type=0最近且没有依附;=1
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/// </summary>
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@@ -252,18 +116,26 @@ namespace AIStudio.Wpf.DiagramDesigner
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items = diagramViewModel.Items.OfType<BlockDesignerItemViewModel>().Where(p => !blockDesignerItemTempLink.Items.Contains(p)).ToList();
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foreach (var port in items.SelectMany(n => n.Containers))
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foreach (var container in items.SelectMany(n => n.Containers))
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{
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if (port.GetBounds().IntersectsWith(blockDesignerItemTempLink.GetBounds())) //如果两个位置相交
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if (container.GetBounds().IntersectsWith(blockDesignerItemTempLink.GetBounds())) //如果两个位置相交
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{
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var innerport = port.GetAllContainers(port.Children, false).Where(p => p.GetBounds().IntersectsWith(blockDesignerItemTempLink.GetBounds())).OrderByDescending(p => p.ContainerLevel).FirstOrDefault();
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var innerport = container.GetAllContainers(container.Children, false).Where(p => p.GetBounds().IntersectsWith(blockDesignerItemTempLink.GetBounds())).OrderByDescending(p => p.ContainerLevel).FirstOrDefault();
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if (innerport != null)
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{
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innerport.DataItem.ShowConnectors = true;
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if (innerport.CanAttachTo(blockDesignerItemTempLink.Items.FirstOrDefault()) == true)
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{
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innerport.BeAttachTo = true;
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return innerport;
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if (innerport.OnlyOneChild)
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{
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innerport.BeAttachTo = true;
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return innerport;
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}
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else
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{
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innerport.BeAttachTo = true;
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return innerport;
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}
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}
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//else
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//{
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@@ -274,11 +146,11 @@ namespace AIStudio.Wpf.DiagramDesigner
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}
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else
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{
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port.DataItem.ShowConnectors = true;
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if (port.CanAttachTo(blockDesignerItemTempLink.Items.FirstOrDefault()) == true)
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container.DataItem.ShowConnectors = true;
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if (container.CanAttachTo(blockDesignerItemTempLink.Items.FirstOrDefault()) == true)
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{
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port.BeAttachTo = true;
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return port;
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container.BeAttachTo = true;
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return container;
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}
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//else
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//{
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