initial commit

xcd

2020-06-24 d6c577e17ee7bb5331dd51d803f9b42441b0f0e5

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using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
 
namespace Bro.UI.Ctrls
{
    /// <summary>
    /// LogCtrl.xaml 的交互逻辑
    /// </summary>
    public partial class LogCtrl : UserControl
    {
        public LogCtrl()
        {
            InitializeComponent();
        }
 
        public static readonly DependencyProperty LogListProperty;
 
        public ObservableCollection<string> LogList
        {
            get => GetValue(LogListProperty) as ObservableCollection<string>;
            set => SetValue(LogListProperty, value);
        }
 
        static LogCtrl()
        {
            LogListProperty = DependencyProperty.Register("LogList", typeof(ObservableCollection<string>), typeof(LogCtrl), new PropertyMetadata(new ObservableCollection<string>(), OnLogListPropertyChanged));
        }
 
        private static void OnLogListPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            LogCtrl ctrl = d as LogCtrl;
            if (ctrl != null)
            {
                ctrl.LogList = e.NewValue as ObservableCollection<string>;
                ctrl.lvLog.ItemsSource = ctrl.LogList;
                
                ctrl.LogList.CollectionChanged += ctrl.LogList_CollectionChanged;
            }
        }
 
        private void LogList_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
        {
            lvLog.ItemsSource = LogList;
 
            if (!lvLog.IsFocused && lvLog.Items.Count > 0)
            {
                lvLog.ScrollIntoView(lvLog.Items[lvLog.Items.Count - 1]);
            }
        }
 
        private void Button_Click(object sender, RoutedEventArgs e)
        {
            LogList.Clear();
        }
    }
}