using MuchInfo.Chart.Infrastructure.Helpers;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Media;

namespace MuchInfo.Chart.WPF.Controls.Utilities
{
    /// <summary>
    /// MainMenuButton.xaml 的交互逻辑
    /// </summary>
    public partial class MainMenuButton : UserControl
    {
        #region Fields

        private bool _isMouseEnter;
        private bool _isPopuOpen;
        private PopupMenu _popupMenu;

        #endregion Fields

        #region Constructors

        public MainMenuButton()
        {
            this._isMouseEnter = false;
            this._isPopuOpen = false;
            this.InitializeComponent();
        }

        #endregion Constructors

        #region Delegates

        public delegate void FillTheMenuEventHandler(PopupMenu aMenu);

        #endregion Delegates

        #region Events

        public event MainMenuButton.FillTheMenuEventHandler FillTheMenu;

        #endregion Events

        #region Properties

        #region Public Properties

        public virtual PopupMenu PopupMenu
        {
            get
            {
                return this._popupMenu;
            }
            set
            {
                var obj = new PopupMenu.PopupClosedEventHandler(this.OnPopup_Closed);
                bool flag = this._popupMenu != null;
                if (flag)
                {
                    this._popupMenu.PopupClosed -= obj;
                }
                this._popupMenu = value;
                flag = (this._popupMenu != null);
                if (flag)
                {
                    this._popupMenu.PopupClosed += obj;
                }
            }
        }

        public string Text
        {
            get
            {
                return this.lblMain.Text;
            }
            set
            {
                this.lblMain.Text = value;
            }
        }

        #endregion Public Properties

        #endregion Properties

        #region Methods

        #region Protected Methods

        protected virtual void OnFillTheMenu(PopupMenu amenu)
        {
            var handler = FillTheMenu;
            if (handler != null) handler(amenu);
        }

        #endregion Protected Methods

        #region Private Methods

        private void LayoutRoot_MouseEnter(object sender, MouseEventArgs e)
        {
            this._isMouseEnter = true;
            this.SetBorderHover();
            bool flag = PopupMenu.MenuIsUp();
            if (flag)
            {
                this.ShowMenu();
            }
        }

        private void LayoutRoot_MouseLeave(object sender, MouseEventArgs e)
        {
            this._isMouseEnter = false;
            this.SetBorderHover();
        }

        private void LayoutRoot_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            this.ShowMenu();
        }

        private void OnPopup_Closed()
        {
            this.PopupMenu = null;
            this._isPopuOpen = false;
            this.SetBorderHover();
        }

        private void SetBorderHover()
        {
            if (this._isMouseEnter || this._isPopuOpen)
            {
                this.borderHover.Background = new LinearGradientBrush()
                {
                    GradientStops = new GradientStopCollection()
                    {
                        new GradientStop {Color = ColorHelper.LightBlue, Offset = 0.0},
                        new GradientStop {Color = ColorHelper.SteelBlue, Offset = 1.0}
                    }
                };
                this.BorderBrush = new SolidColorBrush(Color.FromArgb(255, 34, 34, 34));
            }
            else
            {
                this.borderHover.Background = new SolidColorBrush(Colors.Transparent);
                this.borderHover.BorderBrush = null;
            }
        }

        private void ShowMenu()
        {
            //if (this.PopupMenu != null)
            //{
            //    this.PopupMenu.ClosePopup();
            //    this.PopupMenu = null;
            //}
            //this.PopupMenu = new PopupMenu();

            //OnFillTheMenu(this.PopupMenu);

            //this._isPopuOpen = true;
            //this.PopupMenu.ShowMainMenu(this);
            //this.SetBorderHover();
        }

        #endregion Private Methods

        #endregion Methods
    }
}