scroll_maker.cs

来自「破解的飞信源代码」· CS 代码 · 共 107 行

namespace Imps.Client.Pc.BizControls
{
    using System;
    using System.Collections.Generic;
    using System.Runtime.CompilerServices;

    public sealed class scroll_maker
    {
        public static readonly scroll_maker instance = new scroll_maker();
        private Dictionary<scroll_widget, bool> m_scroll_map = new Dictionary<scroll_widget, bool>();

        private scroll_maker()
        {
        }

        public void browse_scrolls(browse_scroll_handler handler)
        {
            if (handler == null)
            {
                throw new ArgumentNullException();
            }
            Dictionary<scroll_widget, bool>.Enumerator enumerator = this.m_scroll_map.GetEnumerator();
            while (enumerator.MoveNext())
            {
                browse_event_args args = new browse_event_args();
                args.scroll = enumerator.get_Current().get_Key();
                handler(this, args);
                if (args.cancel)
                {
                    return;
                }
            }
        }

        public hscroll_widget hscroll()
        {
            hscroll_widget _widget = new hscroll_widget();
            this.m_scroll_map.set_Item(_widget, true);
            _widget.HandleDestroyed += new EventHandler(this.on_scroll_destroyed);
            return _widget;
        }

        public t_hscroll hscroll<t_hscroll>(t_hscroll hs)
        {
            if (hs == null)
            {
                throw new ArgumentNullException();
            }
            if (!(hs is scroll_widget))
            {
                throw new InvalidCastException();
            }
            if (((scroll_widget) hs).vertical)
            {
                throw new InvalidCastException();
            }
            this.m_scroll_map.set_Item((scroll_widget) hs, true);
            return hs;
        }

        private void on_scroll_destroyed(object sender, EventArgs args)
        {
            if (!(sender is scroll_widget))
            {
                throw new InvalidCastException();
            }
            this.m_scroll_map.Remove((scroll_widget) sender);
        }

        public vscroll_widget vscroll()
        {
            vscroll_widget _widget = new vscroll_widget();
            this.m_scroll_map.set_Item(_widget, true);
            _widget.HandleDestroyed += new EventHandler(this.on_scroll_destroyed);
            return _widget;
        }

        public t_vscroll vscroll<t_vscroll>(t_vscroll vs)
        {
            if (vs == null)
            {
                throw new ArgumentNullException();
            }
            if (!(vs is scroll_widget))
            {
                throw new InvalidCastException();
            }
            if (!((scroll_widget) vs).vertical)
            {
                throw new InvalidCastException();
            }
            this.m_scroll_map.set_Item((scroll_widget) vs, true);
            return vs;
        }

        public class browse_event_args : EventArgs
        {
            public bool cancel;
            public object context;
            public scroll_widget scroll;
        }

        public delegate void browse_scroll_handler(scroll_maker reserved, scroll_maker.browse_event_args args);
    }
}