using ArcGIS.Core.CIM;
using ArcGIS.Core.Data;
using ArcGIS.Core.Geometry;
using ArcGIS.Desktop.Catalog;
using ArcGIS.Desktop.Core;
using ArcGIS.Desktop.Editing;
using ArcGIS.Desktop.Extensions;
using ArcGIS.Desktop.Framework;
using ArcGIS.Desktop.Framework.Contracts;
using ArcGIS.Desktop.Framework.Dialogs;
using ArcGIS.Desktop.Framework.Threading.Tasks;
using ArcGIS.Desktop.KnowledgeGraph;
using ArcGIS.Desktop.Layouts;
using ArcGIS.Desktop.Mapping;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Logging.Console;
using System.Collections.ObjectModel;
using LinkToolAddin.message;

namespace LinkToolAddin.ui.dockpane
{
    internal class DialogDockpaneViewModel : DockPane
    {
        private const string _dockPaneID = "DialogDockpane";

        private ObservableCollection<MessageListItem> _message = new ObservableCollection<MessageListItem>();
        //ObservableCollection<T> 是 .NET 提供的一个特殊集合类，它会在集合发生变化时自动通知 UI 更新,它实现了 INotifyCollectionChanged 接口，UI 绑定后可以自动刷新。
        public ObservableCollection<MessageListItem> Messages => _message;
        //定义了一个只读属性 Messages，返回内部的 _messages 集合。
        //该属性将被绑定到 UI 的 ItemsControl.ItemsSource 上，这样 UI 就能实时显示新消息。
        protected DialogDockpaneViewModel() { }

        /// <summary>
        /// Show the DockPane.
        /// </summary>
        internal static void Show()//显示面板
        {
            DockPane pane = FrameworkApplication.DockPaneManager.Find(_dockPaneID);
            if (pane == null)
                return;

            pane.Activate();
        }

        /// <summary>
        /// Text shown near the top of the DockPane.
        /// </summary>
        private string _heading = "My DockPane";//标题栏文字
        public string Heading
        {
            get => _heading;//绑定到 UI 上的标题文字，默认是 "My DockPane"。
            set => SetProperty(ref _heading, value);//属性变更通知方法，用于支持数据绑定
        }
    }

    /// <summary>
    /// Button implementation to show the DockPane.
    /// </summary>
    internal class DialogDockpane_ShowButton : Button//用于打开面板
    {
        protected override void OnClick()
        {
            
            DialogDockpaneViewModel.Show();
        }
    }
}