BPASmartClient/BPASmartClient.SCADAControl/CustomerControls/TheImage.xaml.cs

using BPASmartClient.Compiler;
using BPASmartClient.SCADAControl;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.IO;
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;

namespace BPASmartClient.SCADAControl.CustomerControls
{
    /// <summary>
    /// TheImage.xaml 的交互逻辑
    /// </summary>
    public partial class TheImage : Image, IExecutable
    {
        public event EventHandler PropertyChange;  //声明一个事件

        public TheImage()
        {
            InitializeComponent();
            Stretch = Stretch.Fill;
            Width = 80;
            Height = 80;
        }
        [Category("事件")]
        public string ClickExec
        {
            get { return (string)GetValue(ClickExecProperty); }
            set { SetValue(ClickExecProperty, value); }
        }
        public static readonly DependencyProperty ClickExecProperty =
            DependencyProperty.Register("ClickExec", typeof(string), typeof(TheImage), new PropertyMetadata(string.Empty));
        /// <summary>
        /// 启动路径
        /// </summary>
        public string ImageStartPath
        {
            get { return (string)GetValue(StartPathProperty); }
            set { SetValue(StartPathProperty, value); }
        }
        public static readonly DependencyProperty StartPathProperty =
                        DependencyProperty.Register("ImageStartPath", typeof(string), typeof(TheImage), new PropertyMetadata(string.Empty,new PropertyChangedCallback(OnPropertyChanged)));
        private static void OnPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            (d as TheImage)?.Refresh();
        }
        private void Refresh()
        {
            string path = $"{System.AppDomain.CurrentDomain.BaseDirectory}Images\\{ImageStartPath}";
            if (!string.IsNullOrEmpty(ImageStartPath) && File.Exists(path))
            {
                Source = new BitmapImage(new Uri(path));
            }
        }
        public string ControlType => "控件";

        private bool isExecuteState;
        public bool IsExecuteState
        {
            get { return isExecuteState; }
            set
            {
                isExecuteState = value;
                if (IsExecuteState)
                {
                    Register();
                }
            }
        }

        public void Register()
        {
            if (!string.IsNullOrEmpty(ImageStartPath))
            {
                string path = $"{System.AppDomain.CurrentDomain.BaseDirectory}Images\\{ImageStartPath}";
                if (File.Exists(path))
                {
                    Source = new BitmapImage(new Uri(path));
                }
            }
            this.MouseLeftButtonDown += TheImage_MouseLeftButtonDown;
        }

        private void TheImage_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            Config.GetInstance().RunJsScipt(ClickExec);

        }
    }
}