using System;
using System.Reflection;
using System.Windows.Media.Imaging;
using Autodesk.AutoCAD.ApplicationServices;
using Autodesk.AutoCAD.Runtime;
using Autodesk.Windows;
using acApp = Autodesk.AutoCAD.ApplicationServices.Application; 

namespace MyRibbonButton
{
  public class Commands
  {
    BitmapImage getBitmap(string fileName)
    {
      BitmapImage bmp = new BitmapImage();
      // BitmapImage.UriSource must be in a BeginInit/EndInit block.              
      bmp.BeginInit();
      bmp.UriSource = new Uri(string.Format("pack://application:,,,/{0};component/{1}", Assembly.GetExecutingAssembly().GetName().Name, fileName));
      bmp.EndInit();

      return bmp;
    }

    [CommandMethod("MyRibbonButton")]
    public void MyRibbonButton()
    {
      Autodesk.Windows.RibbonControl ribbonControl = Autodesk.Windows.ComponentManager.Ribbon;

      // create Ribbon tab
      RibbonTab Tab = new RibbonTab();
      Tab.Title = "Oak RibbonTab";
      Tab.Id = "OAKRIBBON_TAB_ID";

      ribbonControl.Tabs.Add(Tab);

      // create Ribbon panel
      Autodesk.Windows.RibbonPanelSource srcPanel = new RibbonPanelSource();
      srcPanel.Title = "Panel_Oak";

      RibbonPanel Panel = new RibbonPanel();
      Panel.Source = srcPanel;
      Tab.Panels.Add(Panel);

      // create the buttons listed in the split button
      Autodesk.Windows.RibbonButton button1 = new RibbonButton();
      button1.Text = "Button1";
      button1.ShowText = true;
      button1.ShowImage = true;
      button1.LargeImage = getBitmap("a_large.png");
      button1.Image = getBitmap("a_small.png");
      button1.CommandHandler = new MyCmdHandler();

      Autodesk.Windows.RibbonButton button2 = new RibbonButton();
      button2.Text = "Button2";
      button2.ShowText = true;
      button2.ShowImage = true;
      button2.LargeImage = getBitmap("b_large.png");
      button2.Image = getBitmap("b_small.png");
      button2.CommandHandler = new MyCmdHandler();
      button2.Size = RibbonItemSize.Large;
      button2.Orientation = System.Windows.Controls.Orientation.Vertical;

      srcPanel.Items.Add(button1);
      srcPanel.Items.Add(button2);

      Tab.IsActive = true;
    }

    public class MyCmdHandler : System.Windows.Input.ICommand
    {
      public bool CanExecute(object parameter)
      {
        return true;
      }

      public event EventHandler CanExecuteChanged;

      public void Execute(object parameter)
      {
        Document doc = acApp.DocumentManager.MdiActiveDocument;

        if (parameter is RibbonButton)
        {
          RibbonButton button = parameter as RibbonButton;

          doc.Editor.WriteMessage("\nRibbonButton Executed: " + button.Text + "\n");
        }
      }
    }
  }
}