Files
serein-flow/Workbench/Node/NodeControlBase.cs

81 lines
2.0 KiB
C#

using Serein.Library;
using Serein.Library.Api;
using Serein.Workbench.Node.ViewModel;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Input;
using System.Windows.Media;
namespace Serein.Workbench.Node.View
{
/// <summary>
/// 节点控件基类(控件)
/// </summary>
public abstract class NodeControlBase : UserControl, IDynamicFlowNode
{
public NodeControlViewModelBase ViewModel { get; set; }
protected NodeControlBase()
{
this.Background = Brushes.Transparent;
}
protected NodeControlBase(NodeControlViewModelBase viewModelBase)
{
ViewModel = viewModelBase;
this.Background = Brushes.Transparent;
this.DataContext = viewModelBase;
SetBinding();
}
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
};
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
};
BindingOperations.SetBinding(this, Canvas.TopProperty, topBinding);
}
}
//public class FLowNodeObObservableCollection<T> : ObservableCollection<T>
//{
// public void AddRange(IEnumerable<T> items)
// {
// foreach (var item in items)
// {
// this.Items.Add(item);
// }
// OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add));
// }
//}
}