///**********************************************************************
///      Program: SplitEventAtCursor.cs
///       Author: John Rofrano
///  Description: This script will split the selected event at the 
///               current cursor position.
/// Last Updated: December 20, 2012
///    Copyright: (c) 2012 Sundance Media Group, All Rights Reserved
///**********************************************************************
using System;
using System.Windows.Forms;
using Sony.Vegas;

class EntryPoint
{
    /// <summary>
    /// Vegas entry point
    /// </summary>
    /// <param name="vegas"></param>
    public void FromVegas(Vegas vegas)
    {
        try
        {
            TrackEvent selectedEvent = GetSelectedEvent(vegas);
            if (selectedEvent != null)
            {
                // make sure that the cursor is within the event boundaries
                if (vegas.Transport.CursorPosition > selectedEvent.Start && vegas.Transport.CursorPosition < selectedEvent.End)
                {
                    selectedEvent.Split(vegas.Transport.CursorPosition - selectedEvent.Start);
                }
                else
                {
                    throw new ApplicationException("Cursor is not within the selected event.");
                }
            }
            else
            {
                throw new ApplicationException("No event selected.");
            }
        }
        catch (Exception e)
        {
            MessageBox.Show(e.Message, "Split At Cursor", MessageBoxButtons.OK, MessageBoxIcon.Error);
        }
    }

    /// <summary>
    /// Returns the first selected event
    /// </summary>
    /// <param name="vegas"></param>
    /// <returns></returns>
    TrackEvent GetSelectedEvent(Vegas vegas)
    {
        foreach (Track track in vegas.Project.Tracks)
        {
            foreach (TrackEvent trackEvent in track.Events)
            {
                if (trackEvent.Selected)
                {
                    return trackEvent;
                }
            }
        }

        return null;
    }
}