Triton_160/Triton160UI/Views/DiagnoseView.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
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;
using Aitex.Core.UI.MVVM;
using Aitex.Triton160.UI.ViewModel;

namespace Aitex.Jet.UI.Views
{
    /// <summary>
    /// DiagnoseView.xaml 的交互逻辑
    /// </summary>
    public partial class DiagnoseView : UserControl
    {

        public DiagnoseView()
        {
            InitializeComponent();
            this.DataContext = new DiagnoseViewModel();

            this.IsVisibleChanged += LeakCheckView_IsVisibleChanged;
        }

        private void LeakCheckView_IsVisibleChanged(object sender, DependencyPropertyChangedEventArgs e)
        {
            (this.DataContext as TimerViewModelBase).EnableTimer(this.IsVisible);

            if (this.IsVisible)
                (this.DataContext as DiagnoseViewModel).UpdateLeakCheckResult();
        }


        private void OnPreviewTextInput(object sender, TextCompositionEventArgs e)
        {
            e.Handled = !IsTextAllowed(e.Text);
        }

        private static bool IsTextAllowed(string text)
        {
            Regex regex = new Regex("[^0-9.]+"); //regex that matches disallowed text
            return !regex.IsMatch(text);
        }
    }
}