From 16c339946ec251f3a5fb4113f0b680b510455e78 Mon Sep 17 00:00:00 2001 From: lindexi Date: Sat, 10 Apr 2021 09:32:32 +0800 Subject: [PATCH] =?UTF-8?q?=E5=8A=A0=E4=B8=8A=E7=BB=99=20Grid=20=E8=A1=8C?= =?UTF-8?q?=E5=88=97=E5=91=BD=E5=90=8D=E7=BB=91=E5=AE=9A=E7=9A=84=E8=BE=85?= =?UTF-8?q?=E5=8A=A9=E6=96=B9=E6=B3=95?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 ) --- .../HandyControl_Shared.projitems | 1 + .../Tools/Extension/GridExtension.cs | 108 ++++++++++++++++++ 2 files changed, 109 insertions(+) create mode 100644 src/Shared/HandyControl_Shared/Tools/Extension/GridExtension.cs diff --git a/src/Shared/HandyControl_Shared/HandyControl_Shared.projitems b/src/Shared/HandyControl_Shared/HandyControl_Shared.projitems index e7b9e0523..a911700ef 100644 --- a/src/Shared/HandyControl_Shared/HandyControl_Shared.projitems +++ b/src/Shared/HandyControl_Shared/HandyControl_Shared.projitems @@ -141,6 +141,7 @@ + diff --git a/src/Shared/HandyControl_Shared/Tools/Extension/GridExtension.cs b/src/Shared/HandyControl_Shared/Tools/Extension/GridExtension.cs new file mode 100644 index 000000000..ef01bc466 --- /dev/null +++ b/src/Shared/HandyControl_Shared/Tools/Extension/GridExtension.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); + } + } +}