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.Controls.Primitives;
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 XHandler.Controls
{
    /// <summary>
    /// 按照步骤 1a 或 1b 操作，然后执行步骤 2 以在 XAML 文件中使用此自定义控件。
    ///
    /// 步骤 1a) 在当前项目中存在的 XAML 文件中使用该自定义控件。
    /// 将此 XmlNamespace 特性添加到要使用该特性的标记文件的根
    /// 元素中:
    ///
    ///     xmlns:MyNamespace="clr-namespace:XHandler.Controls"
    ///
    ///
    /// 步骤 1b) 在其他项目中存在的 XAML 文件中使用该自定义控件。
    /// 将此 XmlNamespace 特性添加到要使用该特性的标记文件的根
    /// 元素中:
    ///
    ///     xmlns:MyNamespace="clr-namespace:XHandler.Controls;assembly=XHandler.Controls"
    ///
    /// 您还需要添加一个从 XAML 文件所在的项目到此项目的项目引用，
    /// 并重新生成以避免编译错误:
    ///
    ///     在解决方案资源管理器中右击目标项目，然后依次单击
    ///     “添加引用”->“项目”->[浏览查找并选择此项目]
    ///
    ///
    /// 步骤 2)
    /// 继续操作并在 XAML 文件中使用控件。
    ///
    ///     <MyNamespace:ImageToggleButton/>
    ///
    /// </summary>
    public class ImageToggleButton : ToggleButton
    {
        static ImageToggleButton()
        {
            DefaultStyleKeyProperty.OverrideMetadata(typeof(ImageToggleButton), new FrameworkPropertyMetadata(typeof(ImageToggleButton)));
        }

        public string NormalImage
        {
            get { return (string)GetValue(NormalImageProperty); }
            set { SetValue(NormalImageProperty, value); }
        }

        public static readonly DependencyProperty NormalImageProperty =
        DependencyProperty.Register("NormalImage", typeof(string), typeof(ImageToggleButton),
        new FrameworkPropertyMetadata("", FrameworkPropertyMetadataOptions.AffectsRender, ImageSourceChanged));

        public string DisabledImage
        {
            get { return (string)GetValue(DisabledImageProperty); }
            set { SetValue(DisabledImageProperty, value); }
        }

        public static readonly DependencyProperty DisabledImageProperty =
            DependencyProperty.Register("DisabledImage", typeof(string), typeof(ImageToggleButton),
            new FrameworkPropertyMetadata("", FrameworkPropertyMetadataOptions.AffectsRender, ImageSourceChanged));

        public string SelectedImage
        {
            get { return (string)GetValue(SelectedImageProperty); }
            set { SetValue(SelectedImageProperty, value); }
        }

        public static readonly DependencyProperty SelectedImageProperty =
        DependencyProperty.Register("SelectedImage", typeof(string), typeof(ImageToggleButton),
        new FrameworkPropertyMetadata("", FrameworkPropertyMetadataOptions.AffectsRender, ImageSourceChanged));

        private static void ImageSourceChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
        {
            Application.GetResourceStream(new Uri("pack://application:,,,." + (string)e.NewValue));
            //string str = "pack://siteoforigin:,,,./Assets/downbar_refresh_normal.png";//(string)e.NewValue;
            //Application.GetResourceStream(new Uri(str));
        }
    }
}