/*******************************************************************************
 * Copyright(c) 2014 DongkeSoft All rights reserved. / Confidential
 * 类的信息：
 *      1.程序名称：DKForm.cs
 *      2.功能描述：扩展的窗口：便于修改背景颜色及字体、颜色
 * 编辑履历：
 *      作者            日期                版本            修改内容
 *      陈晓野          2014/08/13          1.00            新建
 *******************************************************************************/

using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms;

using Dongke.IBOSS.PRD.Basics.Library;

namespace Dongke.IBOSS.PRD.Basics.BaseControls
{
    #region 异步处理的委托

    /// <summary>
    /// 异步处理
    /// </summary>
    /// <returns></returns>
    public delegate object BaseAsyncMethod();

    #endregion

    /// <summary>
    /// 扩展的窗口
    /// </summary>
    public partial class DKForm : Form
    {
        #region 成员变量

        private bool _isSaveFormSize = false;
        // 窗体的位置保存标识
        private bool _isSaveFormLocation = false;
        // 窗体的设置
        private FormSettings _settings = null;
        private bool _canClosing = true;

        #endregion 

        #region 构造函数

        public DKForm()
        {
            InitializeComponent();
            this.Font = ControlsConst.FONT_SYSTEM_DEFAULT;
            this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(Form_FormClosing);
        }

        #endregion

        #region 属性

        /// <summary>
        /// 窗体尺寸保存属性
        /// </summary>
        [System.ComponentModel.DefaultValue(typeof(bool), "true")]
        [Description("窗体关闭的时候，窗体的尺寸是否保存。")]
        public bool IsSaveFormSize
        {
            get
            {
                if (FormBorderStyle.Fixed3D.Equals(this.FormBorderStyle)
                    || FormBorderStyle.FixedDialog.Equals(this.FormBorderStyle)
                    || FormBorderStyle.FixedSingle.Equals(this.FormBorderStyle)
                    || FormBorderStyle.FixedToolWindow.Equals(this.FormBorderStyle)
                    )
                {
                    return false;
                }
                else
                {
                    return _isSaveFormSize;
                }
            }
            set
            {
                _isSaveFormSize = value;
            }
        }

        /// <summary>
        /// 窗体位置保存属性
        /// </summary>
        [System.ComponentModel.DefaultValue(typeof(bool), "true")]
        [Description("窗体关闭的时候，窗体的位置是否保存。")]
        public bool IsSaveFormLocation
        {
            get
            {
                return _isSaveFormLocation;
            }
            set
            {
                _isSaveFormLocation = value;
            }
        }

        /// <summary>
        /// 窗体设置内容
        /// </summary>
        [Description("窗体相关设置内容的取得。")]
        private FormSettings FormSetting
        {
            get
            {
                if (_settings == null)
                {
                    _settings = ((FormSettings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new FormSettings())));
                    _settings.SettingsKey = this.Name;
                }
                return _settings;
            }
        }
        #endregion

        #region 事件

        /// <summary>
        /// 窗口关闭
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Form_FormClosing(object sender, FormClosingEventArgs e)
        {
            if (!this._canClosing)
            {
                e.Cancel = true;
            }
        }

        #endregion

        #region 重写From相关事件

        /// <summary>
        /// 重写Form的OnLoad事件
        /// </summary>
        /// <param name="e"></param>
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            RestoreFormData();
        }

        /// <summary>
        /// 重写窗体OnShow事件
        /// </summary>
        /// <param name="e"></param>
        protected override void OnShown(EventArgs e)
        {
            base.OnShown(e);
            Point location = this.Location;
            if (location.X < 0)
            {
                location.X = 0;
            }
            if (location.Y < 0)
            {
                location.Y = 0;
            }
            this.Location = location;
        }

		/// <summary>
		/// 重写窗体OnFormClosing事件
		/// </summary>
		/// <param name="e"></param>
		protected override void OnFormClosing(FormClosingEventArgs e)
		{
			if (!this._canClosing)
            {
                e.Cancel = true;
				return;
            }
			base.OnFormClosing(e);
		}

        /// <summary>
        /// 重写窗体OnFormClosed事件
        /// </summary>
        /// <param name="e"></param>
        protected override void OnFormClosed(FormClosedEventArgs e)
        {
            SaveFormData();
            base.OnFormClosed(e);
            // 内存回收 241224 
            GC.Collect();
            GC.WaitForPendingFinalizers();
        }

        #endregion

        #region 程序异步处理

        /// <summary>
        /// 窗体的异步处理
        /// </summary>
        /// <param name="method">异步方法</param>
        /// <returns></returns>
        public object DoAsync(BaseAsyncMethod method)
        {
            object result = null;
			//if (!this._canClosing)
			//{
			//	return result;
			//}
            try
            {
                StartProgress();

                IAsyncResult asyncResult = method.BeginInvoke(null, null);

                while (!asyncResult.IsCompleted)
                {
                    Application.DoEvents();
                    System.Threading.Thread.Sleep(1);
                }

                result = method.EndInvoke(asyncResult);
            }
            catch (Exception ex)
            {
                throw ex;
            }
            finally
            {
                EndProgress();
            }
            return result;
        }

        #endregion

        #region 公有方法

        /// <summary>
        /// 取得所有控件
        /// </summary>
        /// <returns>所有的控件数组</returns>
        public Control[] GetControls()
        {
            return GetControls(this, null);
        }

        /// <summary>
        /// 取得所有控件
        /// </summary>
        /// <param name="topControl">控件</param>
        /// <returns>所有控件数组</returns>
        public Control[] GetControls(Control topControl)
        {
            return GetControls(topControl, null);
        }

        /// <summary>
        /// 取得所有控件
        /// </summary>
        /// <param name="type">控件类型</param>
        /// <returns>所有控件数组</returns>
        public Control[] GetControls(Type type)
        {
            return GetControls(this, type);
        }

        /// <summary>
        /// 取得所有控件
        /// </summary>
        /// <param name="topControl">控件类型</param>
        /// <param name="type">控件类型</param>
        /// <returns>所有控件</returns>
        public Control[] GetControls(Control topControl, Type type)
        {
            if (topControl == null)
            {
                return GetControls(this, type);
            }
            ArrayList list = new ArrayList();
            foreach (Control control in topControl.Controls)
            {
                if (type == null || type.Equals(control.GetType()))
                {
                    list.Add(control);
                }
                list.AddRange(GetControls(control, type));
            }
            return (Control[])list.ToArray(typeof(Control));
        }

        /// <summary>
        /// 开始异步处理
        /// </summary>
        public virtual void StartProgress()
        {
            this._canClosing = false;
            BeginAsyncControls(this);
        }

        public virtual void BeginAsyncControls(Control control)
        {
            if (control == null)
            {
                return;
            }
            if (control is IDKControl)
            {
                (control as IDKControl).BeginAsync();
                return;
            }
            else
            {
                if (control.Controls == null || control.Controls.Count == 0)
                {
                    //control.Enabled = false;
                    return;
                }
                foreach (Control item in control.Controls)
                {
                    BeginAsyncControls(item);
                }
            }
        }

        /// <summary>
        /// 结束异步处理
        /// </summary>
        public virtual void EndProgress()
        {
            this._canClosing = true;
            EndAsyncControls(this);
        }

        public virtual void EndAsyncControls(Control control)
        {
            if (control == null)
            {
                return;
            }
            if (control is IDKControl)
            {
                (control as IDKControl).EndAsync();
                return;
            }
            else
            {
                if (control.Controls == null || control.Controls.Count == 0)
                {
                    //control.Enabled = false;
                    return;
                }
                foreach (Control item in control.Controls)
                {
                    EndAsyncControls(item);
                }
            }
        }

        #endregion

        #region 私有方法

        /// <summary>
        /// 恢复窗体数据
        /// </summary>
        private void RestoreFormData()
        {
            if ((!this.IsSaveFormSize) && (!this.IsSaveFormLocation))
            {
                return;
            }
            if (this.IsSaveFormSize && (!(FormSetting.Size.IsEmpty)))
            {
                this.Size = FormSetting.Size;
            }
            if (this.IsSaveFormLocation)
            {
                if (FormSetting.Location.IsEmpty)
                {
                    this.StartPosition = FormStartPosition.CenterScreen;
                }
                else
                {
                    this.Location = FormSetting.Location;
                }
            }
        }

        /// <summary>
        /// 保存窗体数据
        /// </summary>
        private void SaveFormData()
        {
            if ((!this.IsSaveFormSize) && (!this.IsSaveFormLocation))
            {
                return;
            }
            if (FormWindowState.Minimized.Equals(this.WindowState)
                || FormWindowState.Maximized.Equals(this.WindowState)
                )
            {
                return;
            }
            if (this.IsSaveFormSize)
            {
                FormSetting.Size = this.Size;
            }
            if (this.IsSaveFormLocation)
            {
                FormSetting.Location = this.Location;
            }
            if (this.IsSaveFormSize || this.IsSaveFormLocation)
            {
                FormSetting.Save();
            }
        }

        #endregion

        #region Form信息保存的设定类

        [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("dongke.iboss.Framework.Controls.FormEx", "0.0.0.0")]
        internal sealed class FormSettings : global::System.Configuration.ApplicationSettingsBase
        {
            private static FormSettings _defaultInstance =
                ((FormSettings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new FormSettings())));

            /// <summary>
            /// 窗体设置的默认值
            /// </summary>
            public static FormSettings Default
            {
                get
                {
                    return _defaultInstance;
                }
            }

            [global::System.Configuration.UserScopedSettingAttribute()]
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            [global::System.Configuration.DefaultSettingValueAttribute("")]
            public Size Size
            {
                get
                {
                    return (Size)this["Size"];
                }
                set
                {
                    this["Size"] = value;
                }
            }

            [global::System.Configuration.UserScopedSettingAttribute()]
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            [global::System.Configuration.DefaultSettingValueAttribute("")]
            public Point Location
            {
                get
                {
                    return (Point)this["Location"];
                }
                set
                {
                    this["Location"] = value;
                }
            }
        }

        #endregion
    }
}