SlnMesnac.MaterialTraceability/MaterialTraceabilityUI/ViewModel/MainWindowViewModel.cs

using MaterialTraceabilityUI.Common;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Configuration;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using System.Windows;

namespace MaterialTraceabilityUI.ViewModel
{
    public class MainWindowViewModel: NotifyPropertyBase
    {
        private readonly string process = ConfigurationManager.AppSettings["ProcessID"];

        public CommandBase ChangeContentCommand { get; set; }

        private FrameworkElement childContent;

        public FrameworkElement ChildContent
        {
            get { return childContent; }
            set { childContent = value; this.Notify(); }
        }

        private bool isShowWait;

        public bool IsShowWait
        {
            get { return isShowWait; }
            set { isShowWait = value; this.Notify(); }
        }

        public MainWindowViewModel()
        {
            this.IsShowWait = false;

            this.ChangeContentCommand = new CommandBase();
            this.ChangeContentCommand.ExcuteAction = new Action<object>(DoChangeContent);
            this.ChangeContentCommand.CanExecuteFunc = new Func<bool>(() => true);

            //涂布CoatingProcess、冷压firstPage、模切DieCuttingProcess
            this.DoChangeContent("");

        }

        private void DoChangeContent(object param)
        {
            if (param.ToString() == "" || param.ToString() == "IndexPage")
            {
                // 初始化需要显示的Content对象
                if (process == "TB")
                {
                    param = "CoatingProcess";
                }

                if (process.Contains("LY"))
                {
                    param = "firstPage";
                }

                if (process.Contains("MQ"))
                {
                    param = "DieCuttingProcess";
                }
                if (process.Contains("AB"))
                {
                    param = "intaglioPage";
                }
            }

            Type type = Type.GetType("MaterialTraceabilityUI." + param.ToString());
            ConstructorInfo ct1 = type.GetConstructor(System.Type.EmptyTypes);
            this.ChildContent = (FrameworkElement)ct1.Invoke(null);
        }
    }
}