using System.ComponentModel;
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using System.Globalization;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Data;
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namespace Plugin.DataViewer
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{
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public class CustomSortColumnConverter : IValueConverter
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{
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public static CustomSortColumnConverter Instance = new CustomSortColumnConverter();
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public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
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{
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if (value as ListSortDirection? == ListSortDirection.Ascending)
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{
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return true;
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}
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if (value as ListSortDirection? == ListSortDirection.Descending)
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{
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return false;
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}
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return null;
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}
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public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
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{
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return value;
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}
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}
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public interface ICustomSortColumn
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{
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public bool? IsAsc { get; set; }
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void UpdateOther(bool? value);
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DataGrid GetOwner();
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}
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public class CustomSortTemplateColumn : DataGridTemplateColumn, ICustomSortColumn
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{
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public static DependencyProperty IsAscProperty = DependencyProperty.Register(
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"IsAsc",
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typeof(bool?),
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typeof(DataGridTemplateColumn),
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new FrameworkPropertyMetadata(null));
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public bool? IsAsc
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{
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get => (bool?)GetValue(IsAscProperty);
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set
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{
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SetValue(IsAscProperty, value);
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}
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}
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public void UpdateOther(bool? value)
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{
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foreach (var col in DataGridOwner.Columns)
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{
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if (col == this) continue;
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if (col is ICustomSortColumn csc)
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{
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csc.IsAsc = value;
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}
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}
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}
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public DataGrid GetOwner()
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{
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return this.DataGridOwner;
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}
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}
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public class CustomSortTextColumn : DataGridTextColumn, ICustomSortColumn
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{
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public static DependencyProperty IsAscProperty = DependencyProperty.Register(
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"IsAsc",
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typeof(bool?),
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typeof(DataGridTextColumn),
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new FrameworkPropertyMetadata(null));
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public bool? IsAsc
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{
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get => (bool?)GetValue(IsAscProperty);
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set
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{
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SetValue(IsAscProperty, value);
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}
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}
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public void UpdateOther(bool? value)
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{
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foreach (var col in DataGridOwner.Columns)
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{
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if (col == this) continue;
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if (col is ICustomSortColumn csc)
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{
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csc.IsAsc = value;
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}
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}
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}
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public DataGrid GetOwner()
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{
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return this.DataGridOwner;
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}
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}
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}
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