加上给 Grid 行列命名绑定的辅助方法

详细请看 [WPF 给 Grid 的辅助方法 添加行列名称绑定](https://lindexi.gitee.io/post/WPF-%E7%BB%99-Grid-%E7%9A%84%E8%BE%85%E5%8A%A9%E6%96%B9%E6%B3%95-%E6%B7%BB%E5%8A%A0%E8%A1%8C%E5%88%97%E5%90%8D%E7%A7%B0%E7%BB%91%E5%AE%9A.html )
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lindexi committed 2021-04-10 09:32:32 +08:00
1 parent 6802dee43d
commit 16c339946e
2 files changed
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@@ -141,6 +141,7 @@
<Compile Include="$(MSBuildThisFileDirectory)Tools\Converter\ThicknessSplitConverter.cs" />
<Compile Include="$(MSBuildThisFileDirectory)Tools\Extension\DependencyObjectExtension.cs" />
<Compile Include="$(MSBuildThisFileDirectory)Tools\Extension\FrameworkElementExtension.cs" />
<Compile Include="$(MSBuildThisFileDirectory)Tools\Extension\GridExtension.cs" />
<Compile Include="$(MSBuildThisFileDirectory)Tools\Extension\LangExtension.cs" />
<Compile Include="$(MSBuildThisFileDirectory)Tools\Extension\StringExtension.cs" />
<Compile Include="$(MSBuildThisFileDirectory)Tools\Extension\ValueExtension.cs" />
@@ -0,0 +1,108 @@
using System;
using System.Windows;
using System.Windows.Controls;
namespace HandyControl.Tools.Extension
{
public class GridExtensions
{
public static readonly DependencyProperty NameProperty = DependencyProperty.RegisterAttached(
"Name", typeof(string), typeof(GridExtensions), new PropertyMetadata(default(string)));
public static void SetName(DependencyObject element, string value)
{
element.SetValue(NameProperty, value);
}
public static string GetName(DependencyObject element)
{
return (string) element.GetValue(NameProperty);
}
public static readonly DependencyProperty RowNameProperty = DependencyProperty.RegisterAttached(
"RowName", typeof(string), typeof(GridExtensions),
new PropertyMetadata(default(string), RowName_PropertyChanged));
private static void RowName_PropertyChanged(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)
{
return (string) element.GetValue(RowNameProperty);
}
public static readonly DependencyProperty ColumnNameProperty = DependencyProperty.RegisterAttached(
"ColumnName", typeof(string), typeof(GridExtensions),
new PropertyMetadata(default(string), ColumnName_PropertyChanged));
private static void ColumnName_PropertyChanged(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)
{
return (string) element.GetValue(ColumnNameProperty);
}
}
}