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解决了接口节点的参数共享，UI控件的Menu菜单事件穿透问题，同时优化了工作台画布流程相关事件的部分代码

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This commit is contained in:
fengjiayi
2025-05-30 01:02:25 +08:00
parent bbf7f045b0
commit a112d0287f
23 changed files with 635 additions and 457 deletions
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9
Workbench/App.xaml.cs
View File

@@ -61,6 +61,7 @@ namespace Serein.Workbench
{
getSyncContext = () => uiContext;
}
});
UIContextOperation? uIContextOperation = null;
@@ -84,6 +85,12 @@ namespace Serein.Workbench
public partial class App : Application
{
private static IServiceProvider? ServiceProvider;
/// <summary>
/// UI线程
/// </summary>
public static UIContextOperation UIContextOperation => App.GetService<UIContextOperation>() ?? throw new NullReferenceException();
public static T GetService<T>() where T : class
{
return ServiceProvider?.GetService<T>() ?? throw new NullReferenceException();
@@ -111,7 +118,7 @@ namespace Serein.Workbench
{
await Task.Delay(500);
#if DEBUG
if (1 ==1)
if (1 == 1)
{
// 这里是测试代码，可以删除
string filePath;

10
Workbench/Node/Junction/ConnectionLineShape.cs
View File

@@ -60,7 +60,15 @@ namespace Serein.Workbench.Node.View
endPoint = end;
this.strokeThickness = 4;
InitElementPoint(isDotted, isTop);
InvalidateVisual(); // 触发重绘
_ = Task.Run(async () =>
{
await App.UIContextOperation.InvokeAsync(() =>
{
InvalidateVisual(); // 触发重绘
});
});
}

53
Workbench/Node/NodeControlBase.cs
View File

@@ -1,7 +1,9 @@
using Serein.Library;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Serein.Library;
using Serein.Library.Api;
using Serein.Workbench.Api;
using Serein.Workbench.Node.ViewModel;
using Serein.Workbench.Themes;
using Serein.Workbench.Views;
using System.Windows;
using System.Windows.Controls;
@@ -146,7 +148,7 @@ namespace Serein.Workbench.Node.View
/// <typeparam name="T"></typeparam>
/// <param name="parent"></param>
/// <returns></returns>
protected T FindVisualChild<T>(DependencyObject parent) where T : DependencyObject
protected static T FindVisualChild<T>(DependencyObject parent) where T : DependencyObject
{
for (int i = 0; i < VisualTreeHelper.GetChildrenCount(parent); i++)
{
@@ -165,13 +167,58 @@ namespace Serein.Workbench.Node.View
return null;
}
protected static JunctionControlBase[] GetArgJunction(NodeControlBase nodeControl, MethodDetailsControl methodDetailsControl)
{
// 获取 MethodDetailsControl 实例
try
{
var itemsControl = FindVisualChild<ItemsControl>(methodDetailsControl); // 查找 ItemsControl
if (itemsControl != null)
{
var md = nodeControl.ViewModel.NodeModel.MethodDetails;
if (md is null)
{
return [];
}
if(md.ParameterDetailss is null)
{
return [];
}
var argDataJunction = new JunctionControlBase[md.ParameterDetailss.Length];
var controls = new List<JunctionControlBase>();
for (int i = 0; i < itemsControl.Items.Count; i++)
{
var container = itemsControl.ItemContainerGenerator.ContainerFromIndex(i) as FrameworkElement;
if (container != null)
{
var argControl = FindVisualChild<ArgJunctionControl>(container);
if (argControl != null)
{
controls.Add(argControl); // 收集 ArgJunctionControl 实例
}
}
}
return argDataJunction = controls.ToArray();
}
return [];
}
catch (Exception ex)
{
SereinEnv.WriteLine(InfoType.ERROR,$"节点获取入参控制点时发生异常{Environment.NewLine}节点：{nodeControl.ViewModel.NodeModel.Guid}");
SereinEnv.WriteLine(ex);
return [];
}
}
}
//public class FLowNodeObObservableCollection<T> : ObservableCollection<T>
//{

34
Workbench/Node/View/ActionNodeControl.xaml.cs
View File

@@ -1,5 +1,7 @@
using Serein.NodeFlow.Model;
using Serein.Library;
using Serein.NodeFlow.Model;
using Serein.Workbench.Node.ViewModel;
using Serein.Workbench.Themes;
using System.Runtime.CompilerServices;
using System.Windows;
using System.Windows.Controls;
@@ -42,35 +44,7 @@ namespace Serein.Workbench.Node.View
/// <summary>
/// 方法入参控制点（可能有，可能没）
/// </summary>
JunctionControlBase[] INodeJunction.ArgDataJunction => GetArgJunction();
private JunctionControlBase[] GetArgJunction()
{
// 获取 MethodDetailsControl 实例
var methodDetailsControl = this.MethodDetailsControl;
var itemsControl = FindVisualChild<ItemsControl>(methodDetailsControl); // 查找 ItemsControl
if (itemsControl != null)
{
var argDataJunction = new JunctionControlBase[base.ViewModel.NodeModel.MethodDetails.ParameterDetailss.Length];
var controls = new List<JunctionControlBase>();
for (int i = 0; i < itemsControl.Items.Count; i++)
{
var container = itemsControl.ItemContainerGenerator.ContainerFromIndex(i) as FrameworkElement;
if (container != null)
{
var argControl = FindVisualChild<ArgJunctionControl>(container);
if (argControl != null)
{
controls.Add(argControl); // 收集 ArgJunctionControl 实例
}
}
}
return argDataJunction = controls.ToArray();
}
return [];
}
JunctionControlBase[] INodeJunction.ArgDataJunction => GetArgJunction(this, MethodDetailsControl);
}
}

4
Workbench/Node/View/ConnectionControl.cs
View File

@@ -196,7 +196,7 @@ namespace Serein.Workbench.Node.View
{
leftCenterOfEndLocation = Start.MyCenterPoint;
rightCenterOfStartLocation = End.MyCenterPoint;
(Point startPoint, Point endPoint) = RefreshPoint(Canvas, Start, End);
var connectionType = Start.JunctionType.ToConnectyionType();
bool isDotted;
@@ -214,7 +214,7 @@ namespace Serein.Workbench.Node.View
BezierLine = new ConnectionLineShape(LineType, startPoint, endPoint, brush, isDotted);
Grid.SetZIndex(BezierLine, -9999999); // 置底
Canvas.Children.Add(BezierLine);
ConfigureLineContextMenu(); //配置右键菜单
}

1
Workbench/Node/View/ExpOpNodeControl.xaml.cs
View File

@@ -43,6 +43,7 @@ namespace Serein.Workbench.Node.View
/// 方法入参控制点（可能有，可能没）
/// </summary>
private JunctionControlBase[] argDataJunction;
/// <summary>
/// 方法入参控制点（可能有，可能没）
/// </summary>

29
Workbench/Node/View/FlipflopNodeControl.xaml.cs
View File

@@ -34,34 +34,7 @@ namespace Serein.Workbench.Node.View
/// <summary>
/// 方法入参控制点（可能有，可能没）
/// </summary>
JunctionControlBase[] INodeJunction.ArgDataJunction => GetArgJunction();
private JunctionControlBase[] GetArgJunction()
{
// 获取 MethodDetailsControl 实例
var methodDetailsControl = this.MethodDetailsControl;
var itemsControl = FindVisualChild<ItemsControl>(methodDetailsControl); // 查找 ItemsControl
if (itemsControl != null)
{
var argDataJunction = new JunctionControlBase[base.ViewModel.NodeModel.MethodDetails.ParameterDetailss.Length];
var controls = new List<JunctionControlBase>();
for (int i = 0; i < itemsControl.Items.Count; i++)
{
var container = itemsControl.ItemContainerGenerator.ContainerFromIndex(i) as FrameworkElement;
if (container != null)
{
var argControl = FindVisualChild<ArgJunctionControl>(container);
if (argControl != null)
{
controls.Add(argControl); // 收集 ArgJunctionControl 实例
}
}
}
return argDataJunction = controls.ToArray();
}
return [];
}
JunctionControlBase[] INodeJunction.ArgDataJunction => GetArgJunction(this, MethodDetailsControl);
}
}

31
Workbench/Node/View/FlowCallNodeControl.xaml.cs
View File

@@ -55,36 +55,9 @@ namespace Serein.Workbench.Node.View
/// <summary>
/// 方法入参控制点（可能有，可能没）
/// </summary>
JunctionControlBase[] INodeJunction.ArgDataJunction => GetArgJunction();
private JunctionControlBase[] GetArgJunction()
{
// 获取 MethodDetailsControl 实例
//var methodDetailsControl = ViewModel.NodeModel.IsShareParam ? this.SelectMethodDetailsControl : this.MyMethodDetailsControl;
var methodDetailsControl = this.MethodDetailsControl;
var itemsControl = FindVisualChild<ItemsControl>(methodDetailsControl); // 查找 ItemsControl
if (itemsControl != null)
{
var argDataJunction = new JunctionControlBase[base.ViewModel.NodeModel.MethodDetails.ParameterDetailss.Length];
var controls = new List<JunctionControlBase>();
for (int i = 0; i < itemsControl.Items.Count; i++)
{
var container = itemsControl.ItemContainerGenerator.ContainerFromIndex(i) as FrameworkElement;
if (container != null)
{
var argControl = FindVisualChild<ArgJunctionControl>(container);
if (argControl != null)
{
controls.Add(argControl); // 收集 ArgJunctionControl 实例
}
}
}
return argDataJunction = controls.ToArray();
}
return [];
}
JunctionControlBase[] INodeJunction.ArgDataJunction => GetArgJunction(this,MethodDetailsControl);
}
}

5
Workbench/Node/View/UINodeControl.xaml
View File

@@ -32,8 +32,9 @@
</Grid>
<Border Grid.Row="1" x:Name="EmbedContainer" BorderBrush="Black" BorderThickness="1"
Width="500" Height="400"/>
<Border x:Name="EmbedContainer" Width="200" Height="200" Grid.Row="1" BorderBrush="Black" BorderThickness="1">
<!--<ContentControl />-->
</Border>
</Grid>

6
Workbench/Node/View/UINodeControl.xaml.cs
View File

@@ -22,6 +22,7 @@ namespace Serein.Workbench.Node.View
/// </summary>
public partial class UINodeControl : NodeControlBase, INodeJunction
{
private new UINodeControlViewModel ViewModel { get; }
public UINodeControl()
{
base.ViewModel.IsEnabledOnView = true;
@@ -30,6 +31,7 @@ namespace Serein.Workbench.Node.View
public UINodeControl(UINodeControlViewModel viewModel) : base(viewModel)
{
ViewModel = viewModel;
DataContext = viewModel;
InitializeComponent();
@@ -49,8 +51,8 @@ namespace Serein.Workbench.Node.View
private void NodeControlBase_Loaded(object sender, RoutedEventArgs e)
{
UINodeControlViewModel vm = (UINodeControlViewModel)DataContext;
vm.InitAdapter(userControl => {
//ViewModel.InitAdapter();
ViewModel.InitAdapter(userControl => {
EmbedContainer.Child = userControl;
});

14
Workbench/Node/ViewModel/FlowCallNodeControlViewModel.cs
View File

@@ -68,10 +68,9 @@ namespace Serein.Workbench.Node.ViewModel
{
return;
}
if (targetNodeControl.FlowCanvas is FlowCanvasView view
&& view.DataContext is FlowCanvasViewModel viewModel)
if (targetNodeControl.FlowCanvas is FlowCanvasView view )
{
SelectCanvas = viewModel;
SelectCanvas = view.ViewModel;
SelectNode = targetNodeControl.ViewModel.NodeModel;
}
}
@@ -80,8 +79,10 @@ namespace Serein.Workbench.Node.ViewModel
{
flowEEForwardingService.OnCanvasCreate += (e) => RershCanvass(); // 画布创建了
flowEEForwardingService.OnCanvasRemove += (e) => RershCanvass(); // 画布移除了
}
partial void OnSelectCanvasChanged(FlowCanvasViewModel value)
{
FlowCallNode.ResetTargetNode();
@@ -89,7 +90,12 @@ namespace Serein.Workbench.Node.ViewModel
partial void OnSelectNodeChanged(NodeModelBase value)
{
FlowCallNode.SetTargetNode(value);
if(value is null)
{
FlowCallNode.ResetTargetNode();
return;
}
FlowCallNode.SetTargetNode(value.Guid);
}
private void RershCanvass()

37
Workbench/Node/ViewModel/UINodeControlViewModel.cs
View File

@@ -1,4 +1,5 @@
using Serein.Library;
using CommunityToolkit.Mvvm.ComponentModel;
using Serein.Library;
using Serein.Library.Api;
using Serein.NodeFlow.Model;
using System;
@@ -10,17 +11,24 @@ using System.Windows.Controls;
namespace Serein.Workbench.Node.ViewModel
{
public class UINodeControlViewModel : NodeControlViewModelBase
public partial class UINodeControlViewModel : NodeControlViewModelBase
{
private SingleUINode NodeModel => (SingleUINode)base.NodeModel;
//public IEmbeddedContent Adapter => NodeModel.Adapter;
/// <summary>
/// 节点UI的对应内容
/// </summary>
[ObservableProperty]
private UserControl _nodeUIContent;
public UINodeControlViewModel(NodeModelBase nodeModel) : base(nodeModel)
{
//NodeModel.Adapter.GetWindowHandle();
}
public void InitAdapter(Action<UserControl> setUIDisplayHandle)
public void InitAdapter()
{
Task.Factory.StartNew(async () =>
{
@@ -32,11 +40,32 @@ namespace Serein.Workbench.Node.ViewModel
&& NodeModel.Adapter.GetUserControl() is UserControl userControl)
{
NodeModel.Env.UIContextOperation.Invoke(() =>
{
NodeUIContent = userControl;
});
}
});
}
public void InitAdapter(Action<UserControl> setUIDisplayHandle)
{
Task.Factory.StartNew(async () =>
{
var context = new DynamicContext(NodeModel.Env);
var cts = new CancellationTokenSource();
var result = await NodeModel.ExecutingAsync(context, cts.Token);
cts?.Dispose();
if (context.NextOrientation == ConnectionInvokeType.IsSucceed
&& NodeModel.Adapter.GetUserControl() is UserControl userControl)
{
NodeModel.Env.UIContextOperation.Invoke(() =>
{
setUIDisplayHandle.Invoke(userControl);
});
}
});
}
}
}

1
Workbench/Services/FlowEEForwardingService.cs
View File

@@ -13,6 +13,7 @@ using Serein.Library;
using Serein.Library.Utils;
using Serein.Workbench.Avalonia.Api;
using Serein.Workbench.Api;
using System.Diagnostics;
namespace Serein.Workbench.Services
{

4
Workbench/Services/FlowNodeService.cs
View File

@@ -8,7 +8,9 @@ using Serein.Workbench.Node.View;
using Serein.Workbench.Node.ViewModel;
using Serein.Workbench.ViewModels;
using Serein.Workbench.Views;
using System;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
@@ -210,7 +212,9 @@ namespace Serein.Workbench.Services
(JunctionOfConnectionType.Arg, NodeConnectChangeEventArgs.ConnectChangeType.Remove) => () => flow.RemoveArgConnection(fromNode, toNode, e.ArgIndex), // 移除节点之间的参数传递关系
_ => null
};
action?.Invoke();
return;
}

5
Workbench/ViewModels/CanvasNodeTreeViewModel.cs
View File

@@ -32,10 +32,7 @@ namespace Serein.Workbench.ViewModels
/// <param name="flowCanvas"></param>
private void OnViewCanvasChanged(FlowCanvasView flowCanvas)
{
if (flowCanvas.DataContext is FlowCanvasViewModel vm)
{
Model = vm.Model;
}
Model = flowCanvas.ViewModel.Model;
}
}
}

1
Workbench/ViewModels/FlowCanvasViewModel.cs
View File

@@ -17,7 +17,6 @@ namespace Serein.Workbench.ViewModels
{
public partial class FlowCanvasViewModel : ObservableObject
{
/// <summary>
/// 画布当前的节点
/// </summary>

8
Workbench/ViewModels/FlowEditViewModel.cs
View File

@@ -43,16 +43,16 @@ namespace Serein.Workbench.ViewModels
flowNodeService.OnCreateFlowCanvasView += OnCreateFlowCanvasView; // 创建了画布
flowNodeService.OnRemoveFlowCanvasView += OnRemoveFlowCanvasView; // 移除了画布
this.PropertyChanged += OnPropertyChanged;
//this.PropertyChanged += OnPropertyChanged;
}
private void OnPropertyChanged(object? value, PropertyChangedEventArgs e)
partial void OnSelectedTabChanged(FlowEditorTabModel value)
{
if (this.SelectedTab is null) return;
flowNodeService.CurrentSelectCanvas = this.SelectedTab.Content;
flowNodeService.CurrentSelectCanvas = value.Content;
}
#region 响应环境事件
private void OnCreateFlowCanvasView(FlowCanvasView canvas)
{

428
Workbench/Views/FlowCanvasView.xaml.cs
View File

@@ -52,187 +52,17 @@ namespace Serein.Workbench.Views
private readonly IFlowEnvironment flowEnvironment;
private readonly IKeyEventService keyEventService;
private readonly FlowNodeService flowNodeService;
private readonly IFlowEEForwardingService flowEEForwardingService;
/// <summary>
/// 存储所有的连接。考虑集成在运行环境中。
/// </summary>
private List<ConnectionControl> Connections { get; } = [];
/// <summary>
/// 画布模型
/// </summary>
public FlowCanvasViewModel ViewModel => this.DataContext as FlowCanvasViewModel ?? throw new ArgumentNullException();
private FlowCanvasViewModel ViewModel => this.DataContext as FlowCanvasViewModel ?? throw new ArgumentNullException();
#region 画布接口实现
private IFlowCanvas Api => this;
public string Guid
{
get
{
return ViewModel.Model.Guid;
}
}
public string Name => ViewModel.Model.Name;
FlowCanvasDetails IFlowCanvas.Model => ViewModel.Model;
void IFlowCanvas.Remove(NodeControlBase nodeControl)
{
ViewModel.NodeControls.Remove(nodeControl.ViewModel.NodeModel.Guid);
FlowChartCanvas.Dispatcher.Invoke(() =>
{
FlowChartCanvas.Children.Remove(nodeControl);
});
}
void IFlowCanvas.Add(NodeControlBase nodeControl)
{
ViewModel.NodeControls.TryAdd(nodeControl.ViewModel.NodeModel.Guid, nodeControl);
FlowChartCanvas.Dispatcher.Invoke(() =>
{
FlowChartCanvas.Children.Add(nodeControl);
if(nodeControl.ViewModel.NodeModel.ControlType == NodeControlType.UI)
{
// 需要切换到对应画布，尽可能让UI线程获取到适配器
var edit = App.GetService<Locator>().FlowEditViewModel;
var tab = edit.CanvasTabs.First(tab => tab.Content == this);
App.GetService<Locator>().FlowEditViewModel.SelectedTab = tab;
}
});
ConfigureNodeEvents(nodeControl); // 配置相关事件
ConfigureContextMenu(nodeControl); // 添加右键菜单
}
void IFlowCanvas.CreateInvokeConnection(NodeControlBase fromNodeControl, NodeControlBase toNodeControl, ConnectionInvokeType type)
{
if (fromNodeControl is not INodeJunction IFormJunction || toNodeControl is not INodeJunction IToJunction)
{
SereinEnv.WriteLine(InfoType.INFO, "非预期的连接");
return;
}
JunctionControlBase startJunction = IFormJunction.NextStepJunction;
JunctionControlBase endJunction = IToJunction.ExecuteJunction;
var connection = new ConnectionControl(
FlowChartCanvas,
type,
startJunction,
endJunction
);
//if (toNodeControl is FlipflopNodeControl flipflopControl
// && flipflopControl?.ViewModel?.NodeModel is NodeModelBase nodeModel) // 某个节点连接到了触发器，尝试从全局触发器视图中移除该触发器
//{
// NodeTreeViewer.RemoveGlobalFlipFlop(nodeModel); // 从全局触发器树树视图中移除
//}
Connections.Add(connection);
fromNodeControl.AddCnnection(connection);
toNodeControl.AddCnnection(connection);
EndConnection(); // 环境触发了创建节点连接事件
}
void IFlowCanvas.RemoveInvokeConnection(NodeControlBase fromNodeControl, NodeControlBase toNodeControl)
{
if (fromNodeControl is not INodeJunction IFormJunction || toNodeControl is not INodeJunction IToJunction)
{
SereinEnv.WriteLine(InfoType.INFO, "非预期的连接");
return;
}
JunctionControlBase startJunction = IFormJunction.NextStepJunction;
JunctionControlBase endJunction = IToJunction.ExecuteJunction;
var removeConnections = Connections.Where(c =>
c.Start.Equals(startJunction)
&& c.End.Equals(endJunction)
&& (c.Start.JunctionType.ToConnectyionType() == JunctionOfConnectionType.Invoke
|| c.End.JunctionType.ToConnectyionType() == JunctionOfConnectionType.Invoke))
.ToList();
foreach (var connection in removeConnections)
{
Connections.Remove(connection);
fromNodeControl.RemoveConnection(connection); // 移除连接
toNodeControl.RemoveConnection(connection); // 移除连接
//if (NodeControls.TryGetValue(connection.End.MyNode.Guid, out var control))
//{
// JudgmentFlipFlopNode(control); // 连接关系变更时判断
//}
}
}
void IFlowCanvas.CreateArgConnection(NodeControlBase fromNodeControl, NodeControlBase toNodeControl,ConnectionArgSourceType type, int index)
{
if (fromNodeControl is not INodeJunction IFormJunction || toNodeControl is not INodeJunction IToJunction)
{
SereinEnv.WriteLine(InfoType.INFO, "非预期的情况");
return;
}
JunctionControlBase startJunction = type switch
{
ConnectionArgSourceType.GetPreviousNodeData => IFormJunction.ReturnDataJunction, // 自身节点
ConnectionArgSourceType.GetOtherNodeData => IFormJunction.ReturnDataJunction, // 其它节点的返回值控制点
ConnectionArgSourceType.GetOtherNodeDataOfInvoke => IFormJunction.ReturnDataJunction, // 其它节点的返回值控制点
_ => throw new Exception("窗体事件 FlowEnvironment_NodeConnectChangeEvemt 创建/删除节点之间的参数传递关系 JunctionControlBase 枚举值错误 。非预期的枚举值。") // 应该不会触发
};
if (IToJunction.ArgDataJunction.Length <= index)
{
_ = Task.Run(async () =>
{
await Task.Delay(500);
Api.CreateArgConnection(fromNodeControl, toNodeControl, type, index);
});
return; // // 尝试重新连接
}
JunctionControlBase endJunction = IToJunction.ArgDataJunction[index];
LineType lineType = LineType.Bezier;
// 添加连接
var connection = new ConnectionControl(
lineType,
FlowChartCanvas,
index,
type,
startJunction,
endJunction,
IToJunction
);
Connections.Add(connection);
fromNodeControl.AddCnnection(connection);
toNodeControl.AddCnnection(connection);
EndConnection(); // 环境触发了创建节点连接事件
}
void IFlowCanvas.RemoveArgConnection(NodeControlBase fromNodeControl, NodeControlBase toNodeControl, int index)
{
if (fromNodeControl is not INodeJunction IFormJunction || toNodeControl is not INodeJunction IToJunction)
{
SereinEnv.WriteLine(InfoType.INFO, "非预期的连接");
return;
}
JunctionControlBase startJunction = IFormJunction.NextStepJunction;
JunctionControlBase endJunction = IToJunction.ExecuteJunction;
var removeConnections = Connections.Where(c =>
c.Start.Equals(startJunction)
&& c.End.Equals(endJunction)
&& (c.Start.JunctionType.ToConnectyionType() == JunctionOfConnectionType.Invoke
|| c.End.JunctionType.ToConnectyionType() == JunctionOfConnectionType.Invoke))
.ToList();
foreach (var connection in removeConnections)
{
Connections.Remove(connection);
fromNodeControl.RemoveConnection(connection); // 移除连接
toNodeControl.RemoveConnection(connection); // 移除连接
//if (NodeControls.TryGetValue(connection.End.MyNode.Guid, out var control))
//{
// JudgmentFlipFlopNode(control); // 连接关系变更时判断
//}
}
}
#endregion
#region 与画布相关的字段
@@ -301,8 +131,10 @@ namespace Serein.Workbench.Views
flowEnvironment = App.GetService<IFlowEnvironment>();
flowNodeService = App.GetService<FlowNodeService>();
keyEventService = App.GetService<IKeyEventService>();
flowEEForwardingService = App.GetService<IFlowEEForwardingService>();
flowNodeService.OnCreateNode += OnCreateNode;
keyEventService.OnKeyDown += KeyEventService_OnKeyDown;
keyEventService.OnKeyDown += KeyEventService_OnKeyDown;
//flowEEForwardingService.OnProjectLoaded += FlowEEForwardingService_OnProjectLoaded;
// 缩放平移容器
canvasTransformGroup = new TransformGroup();
@@ -313,6 +145,13 @@ namespace Serein.Workbench.Views
FlowChartCanvas.RenderTransform = canvasTransformGroup;
SetBinding(model);
}
private void FlowEEForwardingService_OnProjectLoaded(ProjectLoadedEventArgs eventArgs)
{
RefreshAllLine();
}
@@ -336,16 +175,18 @@ namespace Serein.Workbench.Views
}
/// <summary>
/// 当前画布创建了节点
/// </summary>
/// <param name="nodeControl"></param>
private void OnCreateNode(NodeControlBase nodeControl)
{
if (!nodeControl.FlowCanvas.Guid.Equals(Guid))
{
return;
}
if (!nodeControl.FlowCanvas.Guid.Equals(Guid))
{
// 防止事件传播到其它画布
return;
}
var p = nodeControl.ViewModel.NodeModel.Position;
PositionOfUI position = new PositionOfUI(p.X, p.Y);
if (TryPlaceNodeInRegion(nodeControl, position, out var regionControl)) // 判断添加到区域容器
@@ -409,6 +250,188 @@ namespace Serein.Workbench.Views
#endregion
#region 画布接口实现
private IFlowCanvas Api => this;
public string Guid
{
get
{
return ViewModel.Model.Guid;
}
}
public string Name => ViewModel.Model.Name;
FlowCanvasDetails IFlowCanvas.Model => ViewModel.Model;
void IFlowCanvas.Remove(NodeControlBase nodeControl)
{
ViewModel.NodeControls.Remove(nodeControl.ViewModel.NodeModel.Guid);
FlowChartCanvas.Dispatcher.Invoke(() =>
{
FlowChartCanvas.Children.Remove(nodeControl);
});
}
void IFlowCanvas.Add(NodeControlBase nodeControl)
{
ViewModel.NodeControls.TryAdd(nodeControl.ViewModel.NodeModel.Guid, nodeControl);
FlowChartCanvas.Dispatcher.Invoke(() =>
{
FlowChartCanvas.Children.Add(nodeControl);
if (nodeControl.ViewModel.NodeModel.ControlType == NodeControlType.UI)
{
// 需要切换到对应画布，尽可能让UI线程获取到适配器
var edit = App.GetService<Locator>().FlowEditViewModel;
var tab = edit.CanvasTabs.First(tab => tab.Content == this);
App.GetService<Locator>().FlowEditViewModel.SelectedTab = tab;
}
});
ConfigureNodeEvents(nodeControl); // 配置相关事件
ConfigureContextMenu(nodeControl); // 添加右键菜单
}
void IFlowCanvas.CreateInvokeConnection(NodeControlBase fromNodeControl, NodeControlBase toNodeControl, ConnectionInvokeType type)
{
if (fromNodeControl is not INodeJunction IFormJunction || toNodeControl is not INodeJunction IToJunction)
{
SereinEnv.WriteLine(InfoType.INFO, "非预期的连接");
return;
}
JunctionControlBase startJunction = IFormJunction.NextStepJunction;
JunctionControlBase endJunction = IToJunction.ExecuteJunction;
var connection = new ConnectionControl(
FlowChartCanvas,
type,
startJunction,
endJunction
);
//if (toNodeControl is FlipflopNodeControl flipflopControl
// && flipflopControl?.ViewModel?.NodeModel is NodeModelBase nodeModel) // 某个节点连接到了触发器，尝试从全局触发器视图中移除该触发器
//{
// NodeTreeViewer.RemoveGlobalFlipFlop(nodeModel); // 从全局触发器树树视图中移除
//}
Connections.Add(connection);
fromNodeControl.AddCnnection(connection);
toNodeControl.AddCnnection(connection);
EndConnection(); // 环境触发了创建节点连接事件
}
void IFlowCanvas.RemoveInvokeConnection(NodeControlBase fromNodeControl, NodeControlBase toNodeControl)
{
if (fromNodeControl is not INodeJunction IFormJunction || toNodeControl is not INodeJunction IToJunction)
{
SereinEnv.WriteLine(InfoType.INFO, "非预期的连接");
return;
}
JunctionControlBase startJunction = IFormJunction.NextStepJunction;
JunctionControlBase endJunction = IToJunction.ExecuteJunction;
var removeConnections = Connections.Where(c =>
c.Start.Equals(startJunction)
&& c.End.Equals(endJunction)
&& (c.Start.JunctionType.ToConnectyionType() == JunctionOfConnectionType.Invoke
|| c.End.JunctionType.ToConnectyionType() == JunctionOfConnectionType.Invoke))
.ToList();
foreach (var connection in removeConnections)
{
Connections.Remove(connection);
fromNodeControl.RemoveConnection(connection); // 移除连接
toNodeControl.RemoveConnection(connection); // 移除连接
//if (NodeControls.TryGetValue(connection.End.MyNode.Guid, out var control))
//{
// JudgmentFlipFlopNode(control); // 连接关系变更时判断
//}
}
}
void IFlowCanvas.CreateArgConnection(NodeControlBase fromNodeControl, NodeControlBase toNodeControl,ConnectionArgSourceType type, int index)
{
if (fromNodeControl is not INodeJunction IFormJunction || toNodeControl is not INodeJunction IToJunction)
{
SereinEnv.WriteLine(InfoType.INFO, "非预期的情况");
return;
}
JunctionControlBase startJunction = type switch
{
ConnectionArgSourceType.GetPreviousNodeData => IFormJunction.ReturnDataJunction, // 自身节点
ConnectionArgSourceType.GetOtherNodeData => IFormJunction.ReturnDataJunction, // 其它节点的返回值控制点
ConnectionArgSourceType.GetOtherNodeDataOfInvoke => IFormJunction.ReturnDataJunction, // 其它节点的返回值控制点
_ => throw new Exception("窗体事件 FlowEnvironment_NodeConnectChangeEvemt 创建/删除节点之间的参数传递关系 JunctionControlBase 枚举值错误 。非预期的枚举值。") // 应该不会触发
};
if (IToJunction.ArgDataJunction.Length <= index)
{
_ = Task.Run(async () =>
{
await Task.Delay(100);
await App.UIContextOperation.InvokeAsync(() => {
Api.CreateArgConnection(fromNodeControl, toNodeControl, type, index);
});
});
return; // // 尝试重新连接
}
JunctionControlBase endJunction = IToJunction.ArgDataJunction[index];
LineType lineType = LineType.Bezier;
// 添加连接
var connection = new ConnectionControl(
lineType,
FlowChartCanvas,
index,
type,
startJunction,
endJunction,
IToJunction
);
Connections.Add(connection);
fromNodeControl.AddCnnection(connection);
toNodeControl.AddCnnection(connection);
EndConnection(); // 环境触发了创建节点连接事件
}
void IFlowCanvas.RemoveArgConnection(NodeControlBase fromNodeControl, NodeControlBase toNodeControl, int index)
{
if (fromNodeControl is not INodeJunction IFormJunction || toNodeControl is not INodeJunction IToJunction)
{
SereinEnv.WriteLine(InfoType.INFO, "非预期的连接");
return;
}
JunctionControlBase startJunction = IFormJunction.NextStepJunction;
JunctionControlBase endJunction = IToJunction.ExecuteJunction;
var removeConnections = Connections.Where(c =>
c.Start.Equals(startJunction)
&& c.End.Equals(endJunction)
&& (c.Start.JunctionType.ToConnectyionType() == JunctionOfConnectionType.Invoke
|| c.End.JunctionType.ToConnectyionType() == JunctionOfConnectionType.Invoke))
.ToList();
foreach (var connection in removeConnections)
{
Connections.Remove(connection);
fromNodeControl.RemoveConnection(connection); // 移除连接
toNodeControl.RemoveConnection(connection); // 移除连接
//if (NodeControls.TryGetValue(connection.End.MyNode.Guid, out var control))
//{
// JudgmentFlipFlopNode(control); // 连接关系变更时判断
//}
}
}
#endregion
#region 画布键盘操作
/// <summary>
/// 监听按键事件
@@ -449,7 +472,7 @@ namespace Serein.Workbench.Views
IsCanvasDragging = false;
SelectionRectangle.Visibility = Visibility.Collapsed;
CancelSelectNode();
EndConnection();
EndConnection(); // Esc 按键 退出连线状态
return;
}
@@ -464,7 +487,6 @@ namespace Serein.Workbench.Views
}
catch
{
Clipboard.SetText(text);
return;
}
}
@@ -590,10 +612,7 @@ namespace Serein.Workbench.Views
startCanvasDragPoint = currentMousePosition;
foreach (var line in Connections)
{
line.RefreshLine(); // 画布移动时刷新所有连接线
}
RefreshAllLine();
}
if (IsSelectControl) // 正在选取节点
@@ -807,7 +826,7 @@ namespace Serein.Workbench.Views
}
#endregion
}
EndConnection();
EndConnection(); // 完成创建连线请求后取消连线
}
}
@@ -1012,6 +1031,17 @@ namespace Serein.Workbench.Views
#region 私有方法
/// <summary>
/// 刷新画布所有连线
/// </summary>
public void RefreshAllLine()
{
foreach (var line in Connections)
{
line.RefreshLine();
}
}
/// <summary>
/// 完成选取操作
/// </summary>
@@ -1088,9 +1118,9 @@ namespace Serein.Workbench.Views
nodeControl.BorderBrush = Brushes.Black;
nodeControl.BorderThickness = new Thickness(0);
var startNodeGuid = ViewModel.Model.StartNode;
var nodeGuid = nodeControl.ViewModel.NodeModel.Guid;
if (startNodeGuid.Equals(nodeGuid))
var startNode = ViewModel.Model.StartNode;
var canvasStartNode = nodeControl.ViewModel.NodeModel;
if (canvasStartNode.Equals(startNode))
{
nodeControl.BorderBrush = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#04FC10"));
nodeControl.BorderThickness = new Thickness(2);
@@ -1300,6 +1330,10 @@ namespace Serein.Workbench.Views
/// </param>
private void ConfigureContextMenu(NodeControlBase nodeControl)
{
/*if(nodeControl.ViewModel.NodeModel.ControlType == NodeControlType.UI)
{
return;
}*/
var canvasGuid = Guid;
var contextMenu = new ContextMenu();
var nodeGuid = nodeControl.ViewModel?.NodeModel?.Guid;
@@ -1412,21 +1446,7 @@ namespace Serein.Workbench.Views
#region 节点对齐 （有些小瑕疵）
//public void UpdateConnectedLines()
//{
// //foreach (var nodeControl in selectNodeControls)
// //{
// // UpdateConnections(nodeControl);
// //}
// this.Dispatcher.Invoke(() =>
// {
// foreach (var line in Connections)
// {
// line.AddOrRefreshLine(); // 节点完成对齐
// }
// });
//}
#region Plan A 群组对齐