using System.Windows;

namespace SHJX.Service.WorkFlowEdit
{
    public interface IDiagramController
    {
        /// <summary>
        /// Is called when user move/resize an item
        /// </summary>
        /// <param name="items">Selected items</param>
        /// <param name="bounds">New item bounds</param>
        void UpdateItemsBounds(DiagramItem[] items, Rect[] bounds);

        /// <summary>
        /// Is called when user create a link between items
        /// </summary>
        /// <param name="initialState">the state of the link before user action</param>
        /// <param name="link">Link in the current state</param>
        void UpdateLink(LinkInfo initialState, ILink link);

        void ExecuteCommand(System.Windows.Input.ICommand command, object parameter);

        bool CanExecuteCommand(System.Windows.Input.ICommand command, object parameter);
    }
}