using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.Office.Interop.Word;
using VSTOPane = Microsoft.Office.Tools.CustomTaskPane;

namespace WordAddIn2
{
    public class TaskPaneContainer
    {
        public delegate VSTOPane TaskPaneCreationCallback(string title, Window window);

        Dictionary<Window, VSTOPane> _panes = new Dictionary<Window, VSTOPane>();
        TaskPaneCreationCallback _paneCreationCallback;

        public TaskPaneContainer(TaskPaneCreationCallback paneCreationCallback)
        {
            _paneCreationCallback = paneCreationCallback;
        }

        public void Show(string title)
        {
            VSTOPane pane = null;
            Window activeWindow = Globals.ThisAddIn.Application.ActiveWindow;
            if (_panes.ContainsKey(activeWindow))
            {
                pane = _panes[Globals.ThisAddIn.Application.ActiveWindow];
            }
            else
            {
                pane = _paneCreationCallback(title, activeWindow);
                _panes.Add(activeWindow, pane);
            }
            pane.Visible = true;
        }

        public void HideCurrent()
        {
            Window activeWindow = Globals.ThisAddIn.Application.ActiveWindow;
            if (_panes.ContainsKey(activeWindow))
            {
                _panes[activeWindow].Visible = false;
            }
        }
    }
}