Kepler-Release/Venus/Venus_Themes/UserControls/TextboxWithLabel.xaml.cs

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.Navigation;
using System.Windows.Shapes;

namespace Venus_Themes.UserControls
{
    /// <summary>
    /// TextboxWithLabel.xaml 的交互逻辑
    /// </summary>
    public partial class TextboxWithLabel : UserControl
    {
        public TextboxWithLabel()
        {
            InitializeComponent();
        }

        public static readonly DependencyProperty LabelValueProperty = DependencyProperty.Register(
       "LabelValue", typeof(string), typeof(TextboxWithLabel));
        public string LabelValue
        {
            get { return (string)this.GetValue(LabelValueProperty); }
            set { this.SetValue(LabelValueProperty, value); }
        }

        public static readonly DependencyProperty TextBoxValueProperty = DependencyProperty.Register(
     "TextBoxValue", typeof(string), typeof(TextboxWithLabel));
        public string TextBoxValue
        {
            get { return (string)this.GetValue(TextBoxValueProperty); }
            set { this.SetValue(TextBoxValueProperty, value); }
        }

        public static readonly DependencyProperty TextBoxColorProperty = DependencyProperty.Register(
      "TextBoxColor", typeof(SolidColorBrush), typeof(TextboxWithLabel));
        public SolidColorBrush TextBoxColor
        {
            get { return (SolidColorBrush)this.GetValue(TextBoxColorProperty); }
            set { this.SetValue(TextBoxColorProperty, value); }
        }

        public static readonly DependencyProperty IsReadOnlyProperty = DependencyProperty.Register(
          "IsReadOnly", typeof(bool), typeof(TextboxWithLabel),new PropertyMetadata (true));

        public bool IsReadOnly
        {
            get
            {
                return (bool)this.GetValue(IsReadOnlyProperty);
            }
            set
            {
                this.SetValue(IsReadOnlyProperty, value);
            }
        }

        public static readonly DependencyProperty MaxValueProperty = DependencyProperty.Register(
    "MaxValue", typeof(int), typeof(TextboxWithLabel),new PropertyMetadata(OnTextBoxPropertyChanged));

        private static void OnTextBoxPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            TextboxWithLabel textboxWithLabel = d as TextboxWithLabel;
            if (textboxWithLabel.tb == null)
            {
                return;
            }
            textboxWithLabel.tb.Tag = e.NewValue;
            textboxWithLabel.tb.TextChanged += Tb_TextChanged;
        }
        private static void Tb_TextChanged(object sender, TextChangedEventArgs e)
        {
            TextBox tb = sender as TextBox;

            if (tb.Text == "")
            {
                return;
            }
            string str = tb.Text;
            str = Regex.Replace(str, @"[^\d.\d]", "");

            if (Regex.IsMatch(str, @"^[+-]?\d*[.]?\d*$"))
            {
                decimal result;
                if (decimal.TryParse(str, out result) == false)
                {
                    tb.Text = "";
                    return;
                }
                
                if (result > (int)tb.Tag)
                {
                    tb.Text = tb.Tag.ToString();
                }
            }
        }
        public int MaxValue
        {
            get { return (int)this.GetValue(MaxValueProperty); }
            set { this.SetValue(MaxValueProperty, value); }
        }
    }
}