BPASmartClient/BPASmartClient.CustomResource/UserControls/WatermarkText.xaml.cs

using System;
using System.Collections.Generic;
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;
using Microsoft.Windows;

namespace BPASmartClient.CustomResource.UserControls
{
    /// <summary>
    /// WatermarkText.xaml 的交互逻辑
    /// </summary>
    public partial class WatermarkText : UserControl
    {
        public WatermarkText()
        {
            InitializeComponent();
            Maintb.TextChanged += Maintb_TextChanged;
        }


        private static void OnPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            (d as WatermarkText)?.Refresh();
        }

        private void Refresh()
        {
            //this.Maintb.Text = Text;
            //this.Subtb.Text = SubText;
            //this.Maintb.Background = WTBackground;
        }

        public string Text
        {
            get { return (string)GetValue(TextProperty); }
            set { SetValue(TextProperty, value); }
        }
        public static readonly DependencyProperty TextProperty =
            DependencyProperty.Register("Text", typeof(string), typeof(WatermarkText),
             new PropertyMetadata(string.Empty, new PropertyChangedCallback(OnPropertyChanged)));


        public string SubText
        {
            get { return (string)GetValue(SubTextProperty); }
            set { SetValue(SubTextProperty, value); }
        }
        public static readonly DependencyProperty SubTextProperty =
            DependencyProperty.Register("SubText", typeof(string), typeof(WatermarkText),
             new PropertyMetadata(string.Empty, new PropertyChangedCallback(OnPropertyChanged)));


        public Brush WTBackground
        {
            get { return (Brush)GetValue(WTBackgroundProperty); }
            set { SetValue(WTBackgroundProperty, value); }
        }
        public static readonly DependencyProperty WTBackgroundProperty =
            DependencyProperty.Register("WTBackground", typeof(Brush), typeof(WatermarkText),
             new PropertyMetadata(default(Brush), new PropertyChangedCallback(OnPropertyChanged)));


        public int StrokeThickness
        {
            get { return (int)GetValue(StrokeThicknessProperty); }
            set { SetValue(StrokeThicknessProperty, value); }
        }
        public static readonly DependencyProperty StrokeThicknessProperty =
            DependencyProperty.Register("StrokeThickness", typeof(int), typeof(WatermarkText),
             new PropertyMetadata(0, new PropertyChangedCallback(OnPropertyChanged)));

        public Brush Stroke
        {
            get { return (Brush)GetValue(StrokeProperty); }
            set { SetValue(StrokeProperty, value); }
        }
        public static readonly DependencyProperty StrokeProperty =
            DependencyProperty.Register("Stroke", typeof(Brush), typeof(WatermarkText),
             new PropertyMetadata(default(Brush), new PropertyChangedCallback(OnPropertyChanged)));


        public CornerRadius WTCornerRadius
        {
            get { return (CornerRadius)GetValue(WTCornerRadiusProperty); }
            set { SetValue(WTCornerRadiusProperty, value); }
        }
        public static readonly DependencyProperty WTCornerRadiusProperty =
            DependencyProperty.Register("WTCornerRadius", typeof(CornerRadius), typeof(WatermarkText),
             new PropertyMetadata(new CornerRadius(0), new PropertyChangedCallback(OnPropertyChanged)));


        public Brush SubForeground
        {
            get { return (Brush)GetValue(SubForegroundProperty); }
            set { SetValue(SubForegroundProperty, value); }
        }
        public static readonly DependencyProperty SubForegroundProperty =
            DependencyProperty.Register("SubForeground", typeof(Brush), typeof(WatermarkText),
             new PropertyMetadata(default(Brush), new PropertyChangedCallback(OnPropertyChanged)));



        private void Maintb_TextChanged(object sender, TextChangedEventArgs e)
        {
            if (Maintb.Text.Trim().Length > 0)
                Subtb.Visibility = Visibility.Collapsed;
            else
                Subtb.Visibility = Visibility.Visible;
        }
    }
}