using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
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.Shapes;

namespace Venus_MainPages.Views
{
    /// <summary>
    /// InputFileNameDialogView.xaml 的交互逻辑
    /// </summary>
    public partial class InputFileNameDialogView : Window
    {
        public InputFileNameDialogView()
        {
            InitializeComponent();
        }

        public InputFileNameDialogView(string displayName)
        {
            InitializeComponent();
            this.Title = displayName;
        }

        private void buttonCancel_Click(object sender, RoutedEventArgs e)
        {
            this.DialogResult = false;
        }

        private void buttonOK_Click(object sender, RoutedEventArgs e)
        {
            this.DialogResult = true;
        }

        private void textBoxInput_TextChanged(object sender, TextChangedEventArgs e)
        {
            if (textBoxInput.Text == "")
            {
                this.buttonOK.IsEnabled = false;
            }
            else
            {
                this.buttonOK.IsEnabled = IsValidFileName(textBoxInput.Text);

            }
        }

        bool IsValidFileName(string strIn)
        {
            string[] paths = strIn.Split(new char[] { '\\' }, StringSplitOptions.RemoveEmptyEntries);
            Regex regEx = new Regex(@"^[^ \\/:*?""<>|]+([ ]+[^ \\/:*?""<>|]+)*$");
            foreach (var path in paths)
            {
                if (!regEx.IsMatch(path))
                    return false;
            }
            return true;
        }

        public string FileName
        {
            get
            {
                return this.textBoxInput.Text;
            }
            set
            {
                this.textBoxInput.Text = value;
            }
        }

    }
}