using PaintDotNet.Measurement.HistoryMementos;
using System.Drawing.Drawing2D;

namespace PaintDotNet.Measurement.HistoryFunctions
{
    public sealed class SelectAllFunction
        : HistoryFunction
    {
        public static string StaticName
        {
            get
            {
                return PdnResources.GetString("SelectAllAction.Name");
            }
        }

        public override HistoryMemento OnExecute(IDocumentWorkspace historyWorkspace)
        {
            SelectionHistoryMemento sha = new SelectionHistoryMemento(
                StaticName,
                PdnResources.GetImageResource("Icons.MenuEditSelectAllIcon.png"),
                historyWorkspace);

            EnterCriticalRegion();
            historyWorkspace.GetSelection().PerformChanging();
            historyWorkspace.GetSelection().Reset();
            historyWorkspace.GetSelection().SetContinuation(historyWorkspace.GetDocument().Bounds, CombineMode.Replace);
            historyWorkspace.GetSelection().CommitContinuation();
            historyWorkspace.GetSelection().PerformChanged();

            return sha;
        }

        public SelectAllFunction()
            : base(PaintDotNet.Measurement.Enum.ActionFlags.None)
        {
        }
    }
}