DP44/DataPRO/Modules/RegionOfInterest/RegionOfInterestChannels/View/RegionOfInterestChannelsView.xaml.cs

using DTS.Common.Controls;
using DTS.Common.Interface.RegionOfInterest.RegionOfInterestChannels;
using DTS.Common.Utils;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;

namespace RegionOfInterestChannels
{
    /// <summary>
    /// Interaction logic for RegionOfInterestChannelsView.xaml
    /// </summary>
    public partial class RegionOfInterestChannelsView : IRegionOfInterestChannelsView
    {
        public RegionOfInterestChannelsView()
        {
            InitializeComponent();
        }

        private void GridViewColumnHeader_OnClick(object sender, RoutedEventArgs e)
        {
            var vm = (IRegionOfInterestChannelsViewModel)DataContext;
            var columnTag = (sender as GridViewColumnHeaderSearchable)?.Tag ?? Utils.FindChild<GridViewColumnHeaderSearchable>((DependencyObject)e.OriginalSource, null)?.Tag ??
                            (sender as GridViewColumnHeaderSelectable)?.Tag ?? Utils.FindChild<GridViewColumnHeaderSelectable>((DependencyObject)e.OriginalSource, null)?.Tag;
            vm?.Sort(columnTag, true);
        }

        private void TextBlock_Loaded(object sender, RoutedEventArgs e)
        {
            if (!(sender is TextBlock tb)) return;
            if (!((tb.TemplatedParent as ContentPresenter)?.Parent is GridViewRowPresenter presenter)) return;
            for (int i = 0; i < presenter.Columns.Count; i++)
            {
                if (!(VisualTreeHelper.GetChild(presenter, i) is ContentPresenter templated) ||
                    !templated.Equals((ContentPresenter)tb.TemplatedParent)) continue;
                //found our column
                if (presenter.Columns[i].ActualWidth < tb.ActualWidth && double.IsNaN(presenter.Columns[i].Width))
                {
                    //now that bindings/templates are applied, control width > column width
                    //force remeasure
                    presenter.Columns[i].Width = tb.ActualWidth;
                    presenter.Columns[i].Width = double.NaN;
                }
                break;
            }
        }
    }
}