优化更新代码，添加界面功能并整合

WPFluent/Controls/TreeGrid/TreeGrid.xaml.cs

@@ -0,0 +1,114 @@
+
+
+
+using System.Collections.ObjectModel;
+using System.Collections.Specialized;
+
+// ReSharper disable once CheckNamespace
+namespace WPFluent.Controls;
+
+/// <summary>
+/// TODO: Work in progress.
+/// </summary>
+public class TreeGrid : System.Windows.Controls.Primitives.Selector
+{
+    /// <summary>
+    /// Identifies the <see cref="Headers"/> dependency property.
+    /// </summary>
+    public static readonly DependencyProperty HeadersProperty = DependencyProperty.Register(
+        nameof(Headers),
+        typeof(ObservableCollection<TreeGridHeader>),
+        typeof(TreeGrid),
+        new PropertyMetadata(null));
+
+    /*/// <summary>
+    /// Content is the data used to generate the child elements of this control.
+    /// </summary>
+    [Bindable(true)]
+    public object Content
+    {
+        get => GetValue(ContentProperty);
+        set => SetValue(ContentProperty, value);
+    }*/
+
+    public TreeGrid()
+    {
+        Headers = [];
+        Headers.CollectionChanged += Headers_CollectionChanged;
+        /*
+        var x = new System.Windows.Controls.ContentControl();
+        var y = new System.Windows.Controls.ItemsControl();
+        var z = new System.Windows.Controls.ListBox();
+        */
+    }
+
+    private void Headers_CollectionChanged(object? sender, NotifyCollectionChangedEventArgs e)
+    { throw new NotImplementedException(); }
+
+    /*/// <summary>
+    ///  Add an object child to this control
+    /// </summary>
+    void IAddChild.AddChild(object value)
+    {
+        AddChild(value);
+    }
+
+    public void AddText(string text)
+    {
+        throw new NotImplementedException();
+    }
+
+    /// <summary>
+    ///  Add an object child to this control
+    /// </summary>
+    protected virtual void AddChild(object value)
+    {
+        // if conent is the first child or being cleared, set directly
+        if (Content == null || value == null)
+            Content = value;
+        else
+            throw new InvalidOperationException($"{typeof(TreeGrid)} cannot have multiple content");
+    }*/
+
+    protected virtual void OnHeadersChanged(DependencyPropertyChangedEventArgs e)
+    {
+        // Headers changed
+    }
+
+    /*
+    /// <summary>
+    /// Property for <see cref="Content"/>.
+    /// </summary>
+    public static readonly DependencyProperty ContentProperty = DependencyProperty.Register(nameof(Content),
+        typeof(object), typeof(TreeGrid), new PropertyMetadata(null, OnContentChanged));
+    */
+
+    /// <summary>
+    /// Gets or sets the data used to generate the child elements of this control.
+    /// </summary>
+    [Bindable(true)]
+    public ObservableCollection<TreeGridHeader>? Headers
+    {
+        get => GetValue(HeadersProperty) as ObservableCollection<TreeGridHeader>;
+        set => SetValue(HeadersProperty, value);
+    }
+
+    /*
+    protected virtual void OnContentChanged(DependencyPropertyChangedEventArgs e)
+    {
+        // Content changed
+    }
+    */
+
+    /*
+    private static void OnContentChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        if (d is not TreeGrid treeGrid)
+        {
+            return;
+        }
+
+        treeGrid.OnContentChanged(e);
+    }
+    */
+}