using System;
using System.Collections.Generic;
using System.Windows.Forms;
using System.Text;

namespace Mesnac.PlugIn.View
{
    public class DefaultViewContent : Form, IViewContent
    {
        private string _viewContentID = String.Empty;
        private object _myOwner = null;
        private string _titleName = null;
        private bool _isRealClose = false;
        private List<ActionItem> _actionList = null;

        #region 实现IViewContent成员

        public virtual string ViewContentID
        {
            get
            {
                return this._viewContentID;
            }
            set
            {
                this._viewContentID = value;
            }
        }

        public virtual object MyOwner
        {
            get
            {
                
                if (this._myOwner == null)
                {
                    this._myOwner = this;
                }
                return this._myOwner;
            }
            set
            {
                this._myOwner = value;
            }
        }

        /// <summary>
        /// 功能描述
        /// </summary>
        public virtual string TitleName
        {
            get
            {
                if (String.IsNullOrWhiteSpace(this._titleName))
                {
                    return this.Text;
                }
                else
                {
                    return this._titleName;
                }
            }
            set
            {
                this._titleName = value;
            }
        }
        /// <summary>
        /// 是否真正关闭
        /// </summary>
        public bool IsRealClose
        {
            get { return _isRealClose; }
            set { _isRealClose = value; }
        }
        /// <summary>
        /// 视图控件集合
        /// </summary>
        public Control Control
        {
            get
            {
                return this;
            }
        }
        public List<Control> AllControls
        {
            get
            {
                List<Control> lst = new List<Control>();
                lst = this.GetAllControls(lst, this);
                return lst;
            }
        }

        public List<Control> GetAllControls(List<Control> allControls, Control topControl)
        {
            if (allControls == null) allControls = new List<Control>();
            if (topControl.Controls != null && topControl.Controls.Count > 0)
            {
                foreach (Control c in topControl.Controls)
                {
                    allControls = GetAllControls(allControls, c);
                    allControls.Add(c);
                }
            }
            return allControls;
        }
        /// <summary>
        /// 操作项集合
        /// </summary>
        public virtual List<ActionItem> ActionList
        {
            get
            {
                if (this._actionList == null || this._actionList.Count == 0)
                {
                    List<ActionItem> lst = new List<ActionItem>();
                    foreach (Control c in this.AllControls)
                    {
                        
                        //按钮
                        if (c is Button)
                        {
                            string actionName = c.Text;
                            if (c.Text.IndexOf("(") > 0)
                            {
                                actionName = c.Text.Substring(0, c.Text.IndexOf("(") - 1);
                            }
                            lst.Add(new ActionItem(c.Text, c));
                        }
                        //菜单项

                        //工具栏按钮

                    }

                    return lst;
                }
                else
                {
                    return this._actionList;
                }
            }
        }
        /// <summary>
        /// 添加一个操作项
        /// </summary>
        /// <param name="actionItem"></param>
        public virtual void AddActionItem(ActionItem actionItem)
        {
            if (this._actionList == null)
            {
                this._actionList = new List<ActionItem>();
            }
            this._actionList.Add(actionItem);
        }
        /// <summary>
        /// 向操作集合中添加一个操作项
        /// </summary>
        /// <param name="actionName">操作名称</param>
        /// <param name="control">功能控件</param>
        public virtual void AddActionItem(string actionName, Control control)
        {
            if (this._actionList == null)
            {
                this._actionList = new List<ActionItem>();
            }
            this._actionList.Add(new ActionItem(actionName, control));
        }
        /// <summary>
        /// 移除操作项
        /// </summary>
        /// <param name="control"></param>
        public virtual void RemoveActionItem(Control control)
        {
            if (this._actionList != null)
            {
                for (int i = 0; i < this._actionList.Count; i++)
                {
                    if (this._actionList[i].Control == control)
                    {
                        this._actionList.RemoveAt(i);
                        break;
                    }
                }
            }
        }
        /// <summary>
        /// 清空操作项集合
        /// </summary>
        public virtual void ClearActionList()
        {
            if (this._actionList != null)
            {
                this._actionList.Clear();
            }
            else
            {
                this._actionList = new List<ActionItem>();
            }
        }

        /// <summary>
        /// 触发重新载入事件
        /// </summary>
        /// <param name="e">事件对象</param>
        public void TriggerReloadEvent(System.EventArgs e)
        {
            if (Reload != null)
            {
                Reload(this, e);
            }
        }

        public virtual void RedrawContent()
        {
            
        }

        public virtual event EventHandler TitleNameChanged;
        /// <summary>
        /// 重新载入事件
        /// </summary>
        public virtual event EventHandler Reload;

        #endregion

        #region 辅助方法

        /// <summary>
        /// 获取源控件的顶层容器
        /// </summary>
        /// <param name="source">源控件</param>
        /// <returns>返回顶层容器</returns>
        private Control GetTopContainer(Control source)
        {
            Control c = source.Parent;
            if (c == null)
            {
                return this;
            }
            else
            {
                return GetTopContainer(c);
            }
        }

        #endregion

    }
}