using MembranePoreTester.ViewModels;
using System.Windows;
using System.Windows.Controls;

namespace MembranePoreTester.Views
{
    public partial class PoreDistributionView : UserControl
    {
        public PoreDistributionView()
        {
            InitializeComponent();
            //DataContext = new ViewModels.PoreDistributionViewModel();

            // 监听 IsVisible 变化
            this.IsVisibleChanged += (s, e) =>
            {
                if (this.DataContext is ViewModels.PoreDistributionViewModel vm)
                {
                    vm.IsActive = this.IsVisible;
                    if (!this.IsVisible)
                    {
                        // 离开孔分布界面时，停止自动采集
                        //vm.StopCollecting();
                    }
                }
            };


            this.Loaded += OnLoaded;

        }

        private void OnLoaded(object sender, RoutedEventArgs e)
        {
            var vm = this.DataContext as PoreDistributionViewModel;
            if (vm != null)
            {
                vm.Record.DataPoints.CollectionChanged += DataPoints_CollectionChanged;
            }
        }

        private void Button_Click(object sender, System.Windows.RoutedEventArgs e)
        {

        }

        private void DataPoints_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
        {
            if (e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Add)
            {
                // 滚动湿膜表格到底部
                ScrollDataGridToEnd(dgWetData);
                // 滚动干膜表格到底部
                ScrollDataGridToEnd(dgDryData);
            }
        }

        private void ScrollDataGridToEnd(DataGrid dataGrid)
        {
            if (dataGrid.Items.Count > 0)
            {
                dataGrid.ScrollIntoView(dataGrid.Items[dataGrid.Items.Count - 1]);
            }
        }
    }
}