inabox/InABox.Core/Editors/ButtonEditor.cs

using System;
using System.ComponentModel;

namespace InABox.Core
{
    public class ButtonEditorCommandArgs : CancelEventArgs
    {
        public String Data { get; set; }
    }

    public delegate ButtonEditorCommand OnCommandCreated();
    public abstract class ButtonEditorCommand
    {
        public abstract void Execute(object sender, ButtonEditorCommandArgs args);
    }


    public class ButtonEditor : BaseEditor
    {
        private Type _commandtype;

        public event OnCommandCreated OnCommandCreate;
        public String Label { get; set; }

        public ButtonEditor(Type commandtype)
        {
            if (!typeof(ButtonEditorCommand).IsAssignableFrom(commandtype))
                throw new InvalidCastException("Command must be of type ButtonEditorCommand");

            _commandtype = commandtype;


            Label = "Edit";
            Alignment = Alignment.NotSet;
        }

        protected override BaseEditor DoClone()
        {
            return new ButtonEditor(_commandtype);
        }

        public ButtonEditorCommand? CreateCommand()
        {
            var delegatecommand = OnCommandCreate?.Invoke();
            if (delegatecommand != null)
                return delegatecommand;

            var command = Activator.CreateInstance(_commandtype) as ButtonEditorCommand;
            return command;
        }
    }
}