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完成mvvm模式下，画布、节点编辑的基本重构

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fengjiayi
2025-05-26 23:55:23 +08:00
parent ba74facf7d
commit 7ad6041be6
38 changed files with 2056 additions and 436 deletions
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33
Workbench/Node/NodeControlBase.cs
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@@ -1,6 +1,8 @@
using Serein.Library;
using Serein.Library.Api;
using Serein.Workbench.Api;
using Serein.Workbench.Node.ViewModel;
using Serein.Workbench.Views;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
@@ -18,13 +20,14 @@ namespace Serein.Workbench.Node.View
/// <summary>
/// 节点所在的画布（以后需要将画布封装出来，实现多画布的功能）
/// </summary>
public Canvas NodeCanvas { get; set; }
private INodeContainerControl nodeContainerControl;
public IFlowCanvas FlowCanvas { get; set; }
/// <summary>
/// 如果该节点放置在了某个容器节点，就会记录这个容器节点
/// </summary>
private INodeContainerControl NodeContainerControl { get; }
private INodeContainerControl nodeContainerControl;
/// <summary>
/// 记录与该节点控件有关的所有连接
@@ -53,11 +56,11 @@ namespace Serein.Workbench.Node.View
public void PlaceToContainer(INodeContainerControl nodeContainerControl)
{
this.nodeContainerControl = nodeContainerControl;
NodeCanvas.Children.Remove(this); // 临时从画布上移除
FlowCanvas.Remove(this); // 临时从画布上移除
var result = nodeContainerControl.PlaceNode(this);
if (!result) // 检查是否放置成功，如果不成功，需要重新添加回来
{
NodeCanvas.Children.Add(this); // 从画布上移除
FlowCanvas.Add(this); // 从画布上移除
}
}
@@ -70,7 +73,7 @@ namespace Serein.Workbench.Node.View
var result = nodeContainerControl.TakeOutNode(this); // 从控件取出
if (result) // 移除成功时才添加到画布上
{
NodeCanvas.Children.Add(this); // 重新添加到画布上
FlowCanvas.Add(this); // 重新添加到画布上
if (nodeContainerControl is NodeControlBase containerControl)
{
this.ViewModel.NodeModel.Position.X = containerControl.ViewModel.NodeModel.Position.X + containerControl.Width + 10;
@@ -128,20 +131,12 @@ namespace Serein.Workbench.Node.View
/// </summary>
public void SetBinding()
{
// 绑定 Canvas.Left
Binding leftBinding = new Binding("X")
{
Source = ViewModel.NodeModel.Position, // 如果 X 属性在当前 DataContext 中
Mode = BindingMode.TwoWay
};
var p = ViewModel.NodeModel.Position;
Binding leftBinding = new(nameof(p.X)) { Source = p, Mode = BindingMode.TwoWay };
BindingOperations.SetBinding(this, Canvas.LeftProperty, leftBinding);
// 绑定 Canvas.Top
Binding topBinding = new Binding("Y")
{
Source = ViewModel.NodeModel.Position, // 如果 Y 属性在当前 DataContext 中
Mode = BindingMode.TwoWay
};
Binding topBinding = new(nameof(p.Y)) { Source = p, Mode = BindingMode.TwoWay };
BindingOperations.SetBinding(this, Canvas.TopProperty, topBinding);
}