move GridExtension.cs to Controls/Attach/GridAttach.cs

src/Shared/HandyControl_Shared/Controls/Attach/GridAttach.cs

@@ -0,0 +1,96 @@
+using System;
+using System.Windows;
+using System.Windows.Controls;
+
+namespace HandyControl.Controls
+{
+    public class GridAttach
+    {
+        public static readonly DependencyProperty NameProperty = DependencyProperty.RegisterAttached(
+            "Name", typeof(string), typeof(GridAttach), new PropertyMetadata(default(string)));
+
+        public static void SetName(DependencyObject element, string value)
+            => element.SetValue(NameProperty, value);
+
+        public static string GetName(DependencyObject element)
+            => (string)element.GetValue(NameProperty);
+
+        public static readonly DependencyProperty RowNameProperty = DependencyProperty.RegisterAttached(
+            "RowName", typeof(string), typeof(GridAttach), new PropertyMetadata(default(string), OnRowNameChanged));
+
+        private static void OnRowNameChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        {
+            if (d is FrameworkElement frameworkElement)
+            {
+                if (e.NewValue is string rowName)
+                {
+                    if (string.IsNullOrEmpty(rowName))
+                    {
+                        return;
+                    }
+
+                    if (frameworkElement.Parent is Grid grid)
+                    {
+                        for (var i = 0; i < grid.RowDefinitions.Count; i++)
+                        {
+                            var gridRowDefinition = grid.RowDefinitions[i];
+                            var gridRowName = GetName(gridRowDefinition);
+
+                            if (!string.IsNullOrEmpty(gridRowName) &&
+                                gridRowName.Equals(rowName, StringComparison.Ordinal))
+                            {
+                                Grid.SetRow(frameworkElement, i);
+                                return;
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
+        public static void SetRowName(DependencyObject element, string value)
+            => element.SetValue(RowNameProperty, value);
+
+        public static string GetRowName(DependencyObject element)
+            => (string)element.GetValue(RowNameProperty);
+
+        public static readonly DependencyProperty ColumnNameProperty = DependencyProperty.RegisterAttached(
+            "ColumnName", typeof(string), typeof(GridAttach), new PropertyMetadata(default(string), OnColumnNameChanged));
+
+        private static void OnColumnNameChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        {
+            if (d is FrameworkElement frameworkElement)
+            {
+                if (e.NewValue is string columnName)
+                {
+                    if (string.IsNullOrEmpty(columnName))
+                    {
+                        return;
+                    }
+
+                    if (frameworkElement.Parent is Grid grid)
+                    {
+                        for (var i = 0; i < grid.ColumnDefinitions.Count; i++)
+                        {
+                            var gridColumnDefinition = grid.ColumnDefinitions[i];
+                            var gridColumnName = GetName(gridColumnDefinition);
+
+                            if (!string.IsNullOrEmpty(gridColumnName) &&
+                                gridColumnName.Equals(columnName, StringComparison.Ordinal))
+                            {
+                                Grid.SetColumn(frameworkElement, i);
+                                return;
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
+        public static void SetColumnName(DependencyObject element, string value)
+            => element.SetValue(ColumnNameProperty, value);
+
+        public static string GetColumnName(DependencyObject element)
+            => (string)element.GetValue(ColumnNameProperty);
+    }
+}