Triton_160/Triton160UI/Views/ProcessConfigView.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.Triton160.UI.Views
{
    /// <summary>
    /// ConfigView.xaml 的交互逻辑
    /// </summary>
    public partial class ProcessConfigView : UserControl
    {
        public ProcessConfigView()
        {
            InitializeComponent();

            this.DataContext = new ProcessConfigViewModel();

            this.IsVisibleChanged += ProcessConfigView_IsVisibleChanged;
        }

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

        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);
        }
    }
}