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https://gitee.com/akwkevin/aistudio.-wpf.-diagram
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@@ -116,280 +116,6 @@ namespace AIStudio.Wpf.DiagramDesigner
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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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/// <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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/// <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, BlockDesignerItemTempLink blockDesignerItemTempLink, bool isExist)
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{
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if (blockDesignerItemTempLink == null || blockDesignerItemTempLink.Items == null || blockDesignerItemTempLink.Items.Count == 0)
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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>().Where(p => !blockDesignerItemTempLink.Items.Contains(p)).ToList();
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}
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else
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{
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items = diagramViewModel.Items.OfType<BlockDesignerItemViewModel>().Where(p => !blockDesignerItemTempLink.Items.Contains(p)).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).OfType<BlockConnectorInfo>())
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{
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//已经被连接的不允许在顶部吸附了
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if ((port.Orientation == ConnectorOrientation.Top || port.Orientation == ConnectorOrientation.Left) && port.DataItem.Prev != null)
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{
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continue;
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}
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foreach (var port2 in blockDesignerItemTempLink.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, BlockDesignerItemTempLink blockDesignerItemTempLink)
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{
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if (blockDesignerItemTempLink == null || blockDesignerItemTempLink.Items == null || blockDesignerItemTempLink.Items.Count == 0)
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return null;
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List<BlockDesignerItemViewModel> items;
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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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{
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if (port.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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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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}
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//else
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//{
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// innerport.DisableAttachTo = true;
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// return null;
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//}
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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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{
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port.BeAttachTo = true;
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return port;
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}
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//else
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//{
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// port.DisableAttachTo = true;
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// return null;
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//}
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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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public static void ClearNearPort(this IDiagramViewModel diagramViewModel)
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{
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diagramViewModel.Items.OfType<DesignerItemViewModelBase>().ToList().SelectMany(n => n.Connectors).Where(p => p.BeAttachTo == true || p.DisableAttachTo == true).ToList()
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@@ -398,94 +124,8 @@ namespace AIStudio.Wpf.DiagramDesigner
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p.BeAttachTo = false;
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});
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}
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public static void ClearNearContain(this IDiagramViewModel diagramViewModel)
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{
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diagramViewModel.Items.OfType<BlockDesignerItemViewModel>().ToList().SelectMany(n => n.GetAllContainers()).Where(p => p.BeAttachTo == true || p.DisableAttachTo == true).ToList()
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.ForEach(p => {
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p.DisableAttachTo = false;
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p.BeAttachTo = false;
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});
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}
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#endregion
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#region Block拖拽预览-拖拽完成
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public static void PreviewNearBlock(this IDiagramViewModel diagramViewModel, List<BlockDesignerItemViewModel> blocks)
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{
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if (blocks.Any())
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{
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diagramViewModel.ClearNearPort();
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diagramViewModel.ClearNearContain();
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var links = BlockDesignerItemTempLink.Build(blocks);
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foreach (BlockDesignerItemTempLink item in links)
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{
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var container = diagramViewModel.FindNearContainerToAttachTo(item);
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if (container != null)
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{
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continue;
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}
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diagramViewModel.FindNearPortToAttachTo(item, false);
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}
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}
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}
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public static void FinishNearBlock(this IDiagramViewModel diagramViewModel, List<BlockDesignerItemViewModel> blocks)
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{
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if (blocks.Any())
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{
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diagramViewModel.ClearNearPort();
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diagramViewModel.ClearNearContain();
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var links = BlockDesignerItemTempLink.Build(blocks);
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foreach (BlockDesignerItemTempLink item in links)
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{
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var container = diagramViewModel.FindNearContainerToAttachTo(item);
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if (container != null)
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{
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container.DataItem.AddChild(item.Items.FirstOrDefault(), container);//待完善
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container.BeAttachTo = false;
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container.DisableAttachTo = false;
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continue;
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}
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var portTuple = diagramViewModel.FindNearPortToAttachTo(item, true);
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var portParent = portTuple.Item1;
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var portNext = portTuple.Item2;
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if (portParent != null)
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{
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(portParent.DataItem as BlockDesignerItemViewModel).AddNext(item.Items.FirstOrDefault());
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portParent.BeAttachTo = false;
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portParent.DisableAttachTo = false;
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}
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else
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{
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if (item.Items.FirstOrDefault().Parent != null)
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{
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(item.Items.FirstOrDefault().Parent as BlockDesignerItemViewModel).RemoveNext();
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}
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}
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if (portNext != null)
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{
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item.Items.LastOrDefault().AddNext(portNext.DataItem as BlockDesignerItemViewModel);
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portNext.BeAttachTo = false;
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portNext.DisableAttachTo = false;
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}
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else
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{
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if (item.Items.LastOrDefault().Next != null)
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{
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item.Items.LastOrDefault().RemoveNext();
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}
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}
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}
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}
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}
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#endregion
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}
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}
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Block a user