/*******************************************************************************
 * Copyright(c) 2014 DongkeSoft All rights reserved. / Confidential
 * 类的信息：
 *      1.程序名称：F_MST_0101.cs
 *      2.功能描述：组织机构一览
 * 编辑履历：
 *      作者            日期                版本            修改内容
 *      王鑫            2014/09/12          1.00            新建
 *******************************************************************************/

using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.Text.RegularExpressions;
using System.Windows.Forms;
using Dongke.IBOSS.PRD.Basics.BaseResources;
using Dongke.IBOSS.PRD.Basics.DockPanel;
using Dongke.IBOSS.PRD.Client.CommonModule;
using Dongke.IBOSS.PRD.Client.DataModels;
using Dongke.IBOSS.PRD.WCF.DataModels;
using Dongke.IBOSS.PRD.WCF.Proxys;
using Dongke.IBOSS.PRD.WCF.Proxys.SystemModuleService;

namespace Dongke.IBOSS.PRD.Client.SystemModule
{
    /// <summary>
    /// 组织机构一览
    /// </summary>
    public partial class F_MST_0101 : DockPanelBase
    {
        #region 成员变量

        // 单例模式
        private static F_MST_0101 _instance;
        //存储新建id
        private int _newId;
        // 存储查询条件
        private OrganizationEntity _organization = new OrganizationEntity();
        // 保存treeview改变前的状态
        private Hashtable _nodesStatus = new Hashtable();
        //存储新建id
        private string _CodeTimp;

        #endregion

        #region 单例模式

        /// <summary>
        /// 单例模式，防止重复创建窗体
        /// </summary>
        public static F_MST_0101 Instance
        {
            get
            {
                if (_instance == null)
                {
                    _instance = new F_MST_0101();
                }
                return _instance;
            }
        }

        #endregion

        #region 构造函数

        public F_MST_0101()
        {
            InitializeComponent();
            //正常标识数据源
            this.chkValueFlag.Items.Add("正常", true);
            this.chkValueFlag.Items.Add("停用");
            //窗体标题
            this.Text = FormTitles.F_MST_0101;
            //新建
            this.tsbtnAdd.Text = ButtonText.TSBTN_ADD;
            //编辑
            this.tsbtnEdit.Text = ButtonText.TSBTN_EDIT;
            //停用
            this.tsbtnAdaptive.Text = ButtonText.TSBTN_ADAPTIVE;
            //关闭
            this.tsbtnClose.Text = ButtonText.TSBTN_CLOSE;
            //查询
            this.btnSearch.Text = ButtonText.BTN_SEARCH;
            //清空条件
            this.btnClearCondition.Text = ButtonText.BTN_CLEARCONDITION;
            //查询条件
            this.gbxCondition.Text = Constant.LABEL_QUERY_CONDITIONS;
        }

        #endregion

        #region 事件

        /// <summary>
        /// 节点收缩之后，显示关闭图标
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void tvwOrganization_AfterCollapse(object sender, TreeViewEventArgs e)
        {
            e.Node.SelectedImageIndex = Constant.INT_IS_ZERO;
            e.Node.ImageIndex = Constant.INT_IS_ZERO;
        }

        /// <summary>
        /// 树节点变化的事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void tvwOrganization_AfterSelect(object sender, TreeViewEventArgs e)
        {
            try
            {
                // 获取相应节点数据
                if (tvwOrganization.SelectedNode != null)
                {
                    string selectCode = tvwOrganization.SelectedNode.Name.Trim();
                    // 封装查询条件
                    OrganizationEntity organization = new OrganizationEntity();
                    organization.OrganizationCode = selectCode;
                    //票头字母
                    organization.LetterMarket = this.txtLetterMarket.Text.Trim();
                    // 联系电话
                    organization.Telephone = this.txtTelephone.Text.Trim();
                    // 地址
                    organization.Address = this.txtAddress.Text.Trim();
                    // 备注
                    organization.Remarks = this.txtRemarks.Text.Trim();
                    // 正常标识
                    organization.ValueFlags = this.chkValueFlag.SelectedValues;
                    organization.OrganizationName = this.txtOrganizationName.Text.Trim();
                    organization.in_UserID = LogInUserInfo.CurrentUser.CurrentUserEntity.UserID;
                    organization.in_AccountID = LogInUserInfo.CurrentUser.CurrentUserEntity.AccountID;
                    this._organization = organization;
                    DataSet result = (DataSet)DoAsync(new AsyncMethod(this.SelectOrganixationData));
                    this.dgvOrganization.ReadOnly = true;
                    if (result != null && result.Tables.Count > Constant.INT_IS_ZERO)
                    {
                        this.dgvOrganization.DataSource = result.Tables[0];
                    }
                }
            }
            catch (Exception ex)
            {
                // 对异常进行共通处理
                ExceptionManager.HandleEventException(this.ToString(),
                    System.Reflection.MethodBase.GetCurrentMethod().Name, this.Text, ex);
            }
        }

        /// <summary>
        /// 获取选定树节点结果集
        /// </summary>
        /// <param name="organization">组织机构实体</param>
        /// <returns>数据集</returns>
        private DataSet SelectOrganixationData()
        {
            DataSet dsOrganizationData = null;
            try
            {
                dsOrganizationData = SystemModuleProxy.Service.SelectOrganizationData(this._organization);
            }
            catch (Exception ex)
            {
                // 对异常进行共通处理
                ExceptionManager.HandleEventException(this.ToString(),
                    System.Reflection.MethodBase.GetCurrentMethod().Name, this.Text, ex);
            }
            return dsOrganizationData;
        }

        /// <summary>
        /// 节点展开之后，显示打开图标
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void tvwOrganization_AfterExpand(object sender, TreeViewEventArgs e)
        {
            e.Node.SelectedImageIndex = Constant.INT_IS_TWO;
            e.Node.ImageIndex = Constant.INT_IS_TWO;
        }

        /// <summary>
        /// 清空条件按钮事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnClearCondition_Click(object sender, EventArgs e)
        {
            // 组织机构名称
            this.txtOrganizationCode.Clear();
            this.txtOrganizationName.Clear();
            // 票号开头字母
            this.txtLetterMarket.Clear();
            // 联系电话
            this.txtTelephone.Clear();
            // 地址
            this.txtAddress.Clear();
            // 备注
            this.txtRemarks.Clear();
            this.chkValueFlag.SelectedValues = new object[] { Constant.INT_IS_ONE };
        }

        /// <summary>
        /// 查询按钮点击事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnSearch_Click(object sender, EventArgs e)
        {
            try
            {
                // 没有选择正常标识的时候返回
                if (Constant.INT_IS_ZERO >= this.chkValueFlag.SelectedValues.Length
                    || Constant.INT_IS_ZERO >= this.chkValueFlag.SelectedValues.Length)
                {
                    // 清空DataGridView
                    DataTable dataTable = (DataTable)this.dgvOrganization.DataSource;
                    if (dataTable != null && dataTable.Rows.Count > Constant.INT_IS_ZERO)
                    {
                        dataTable.Rows.Clear();
                        dgvOrganization.DataSource = dataTable;
                    }
                    // 提示未查找到数据
                    MessageBox.Show(Messages.MSG_CMN_I002, this.Text,
                                    MessageBoxButtons.OK, MessageBoxIcon.Information);
                    // 编辑，移动按钮不可用
                    this.tsbtnEdit.Enabled = false;
                    return;
                }
                // 查询数据，并将结果显示到列表中
                this.btnSearch.Enabled = false;
                this.btnClearCondition.Enabled = false;
                object result = DoAsync(new AsyncMethod(this.GetOrganization));
                this.btnSearch.Enabled = true;
                this.btnClearCondition.Enabled = true;
                this.dgvOrganization.ReadOnly = true;
                if (result != null)
                {
                    base.DataSource = (DataSet)result;
                    if (this.DataSource != null && this.DataSource.Tables.Count > Constant.INT_IS_ZERO)
                    {
                        this.dgvOrganization.DataSource = this.DataSource.Tables[0];
                        if (this.DataSource.Tables[0].Rows.Count <= Constant.INT_IS_ZERO)
                        {
                            // 提示未查找到数据
                            MessageBox.Show(Messages.MSG_CMN_I002, this.Text,
                               MessageBoxButtons.OK, MessageBoxIcon.Information);
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                this.btnSearch.Enabled = true;
                this.btnClearCondition.Enabled = true;
                // 对异常进行共通处理
                ExceptionManager.HandleEventException(this.ToString(),
                    System.Reflection.MethodBase.GetCurrentMethod().Name, this.Text, ex);
            }
        }

        /// <summary>
        /// 画面加载
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void FrmOrganization_Load(object sender, EventArgs e)
        {
            try
            {
                // 加载权限
                FormPermissionManager.FormPermissionControl(this.Name, this,
                    LogInUserInfo.CurrentUser.CurrentUserEntity.UserRightData, LogInUserInfo.CurrentUser.CurrentUserEntity.FunctionData);
                this.dgvOrganization.AutoGenerateColumns = false;
                DataTable dt = new DataTable();
                dt.Columns.Add("ValidFlagID");
                dt.Columns.Add("ValidFlagName");
                DataRow dr = dt.NewRow();
                dr[0] = "1";
                dr[1] = "正常";
                dt.Rows.Add(dr);
                dr = dt.NewRow();
                dr[0] = "0";
                dr[1] = "停用";
                dt.Rows.Add(dr);
                this.chkValueFlag.DataSource = dt;
                object[] checkValueFlags = new object[1];
                checkValueFlags[0] = 1;
                this.chkValueFlag.SelectedValues = checkValueFlags;
                // 生成组织机构树形
                this.CreateOrganizationTree();
            }
            catch (Exception ex)
            {
                // 对异常进行共通处理
                ExceptionManager.HandleEventException(this.ToString(),
                    System.Reflection.MethodBase.GetCurrentMethod().Name, this.Text, ex);
            }
        }

        /// <summary>
        /// 释放成员变量
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void FrmOrganization_FormClosed(object sender, FormClosedEventArgs e)
        {
            _instance = null;
        }

        /// <summary>
        /// 关闭按钮
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void tsbtnClose_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        /// <summary>
        /// 自适应列宽按钮事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void tsbtnAdaptive_Click(object sender, EventArgs e)
        {
            this.dgvOrganization.AutoResizeColumns(DataGridViewAutoSizeColumnsMode.AllCells);
        }

        /// <summary>
        /// 编辑按钮事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void tsbtnEdit_Click(object sender, EventArgs e)
        {
            try
            {
                DataGridViewRow currentRow = this.dgvOrganization.CurrentRow;
                if (currentRow != null)
                // 获取相应节点数据
                {
                    F_MST_0102 frmMST0102 = new F_MST_0102(Constant.FormMode.Edit,
                        Convert.ToInt32(currentRow.Cells["OrganizationID"].Value));
                    DialogResult dialogresult = frmMST0102.ShowDialog();
                    if (dialogresult.Equals(DialogResult.OK))
                    {
                        // 刷新窗口数据
                        btnSearch_Click(sender, e);
                        // 重新生成组织机构树形
                        this.CreateOrganizationTree();
                        // 还原保存前选择的根节点
                        SetTreeNodesStatus(tvwOrganization.Nodes);
                    }
                }
            }
            catch (Exception ex)
            {
                // 对异常进行共通处理
                ExceptionManager.HandleEventException(this.ToString(),
                    System.Reflection.MethodBase.GetCurrentMethod().Name, this.Text, ex);
            }
        }

        /// <summary>
        /// 新建按钮事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void tsbtnAdd_Click(object sender, EventArgs e)
        {
            try
            {
                F_MST_0102 frmMST0102 = new F_MST_0102(Constant.FormMode.Add);
                // 获取相应节点数据
                if (tvwOrganization.SelectedNode != null)
                {
                    string selectOrganizationCode = tvwOrganization.SelectedNode.Name.Trim();
                    frmMST0102.ParentOrganizationID = Convert.ToInt32(tvwOrganization.SelectedNode.Tag);
                    this._newId = Convert.ToInt32(tvwOrganization.SelectedNode.Tag);
                    frmMST0102.ParentOrganizationCode = tvwOrganization.SelectedNode.Name.Trim();
                    frmMST0102.ParentOrganizationName = tvwOrganization.SelectedNode.Text.Trim();
                    // 判断所选节点是已到最底层，不能新建
                    if (Constant.S_CODE_MAXLEVEL <= selectOrganizationCode.Length / Constant.INT_IS_THREE)
                    {
                        MessageBox.Show(string.Format(Messages.MSG_CMN_W013, "组织机构",
                             "级数", Constant.S_CODE_MAXLEVEL), this.Text, MessageBoxButtons.OK, MessageBoxIcon.Warning);
                        return;
                    }
                    // 判断选择的组织机构的下级组织是否超过系统设定的最大值999
                    if (Constant.S_CODE_LEVEL_MAXCODE <= this.GetOrgLevelMax(selectOrganizationCode))
                    {
                        MessageBox.Show("组织机构已达到极限（999），无法再增加！", this.Text,
                            MessageBoxButtons.OK, MessageBoxIcon.Warning);
                        return;
                    }
                    // 判断选择的组织机构下是否有员工
                    if (this.IsExistStaff(frmMST0102.ParentOrganizationID))
                    {
                        MessageBox.Show(string.Format(Messages.MSG_CMN_W007, "选择的组织机构存在员工"),
                            this.Text, MessageBoxButtons.OK, MessageBoxIcon.Warning);
                        return;
                    }
                    // 显示新建窗口
                    DialogResult dialogresult = frmMST0102.ShowDialog();
                    if (dialogresult.Equals(DialogResult.OK))
                    {
                        _CodeTimp = frmMST0102.ParentOrganizationCodeTemp;
                        //查询条件赋值为空
                        this.txtLetterMarket.Text = string.Empty;
                        this.txtOrganizationCode.Text = string.Empty;
                        this.txtOrganizationName.Text = string.Empty;
                        this.txtTelephone.Text = string.Empty;
                        this.txtAddress.Text = string.Empty;
                        this.txtRemarks.Text = string.Empty;
                        // 新建的组织机构ID列表
                        List<int> organizationIDList = frmMST0102.OrganizationIDList;
                        int[] IDList = new int[organizationIDList.Count];
                        for (int i = 0; i < organizationIDList.Count; i++)
                        {
                            IDList[i] = organizationIDList[i];
                        }
                        this._organization = new OrganizationEntity();
                        this._organization.IDList = IDList;
                        // 查询时先清空数据源
                        this.dgvOrganization.DataSource = null;
                        DataSet result = (DataSet)DoAsync(new AsyncMethod(GetOrganization));
                        this.dgvOrganization.ReadOnly = true;
                        if (result != null && result.Tables.Count > Constant.INT_IS_ZERO)
                        {
                            this.dgvOrganization.DataSource = result.Tables[0];
                        }
                        // 重新生成组织机构树形
                        this.CreateOrganizationTree();
                        this.tvwOrganization.ExpandAll();
                        // 还原保存前选择的根节点
                        SetTreeNodesStatus(tvwOrganization.Nodes);
                    }
                }
                else
                {
                    MessageBox.Show("请先在左侧树型列表中，选择一个根节点作为上级部门！", this.Text,
                            MessageBoxButtons.OK, MessageBoxIcon.Warning);
                    return;
                }
            }
            catch (Exception ex)
            {
                // 对异常进行共通处理
                ExceptionManager.HandleEventException(this.ToString(),
                    System.Reflection.MethodBase.GetCurrentMethod().Name, this.Text, ex);
            }
        }

        /// <summary>
        /// 单元格获取焦点事件：控制按钮状态
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void dgvOrganization_CellEnter(object sender, DataGridViewCellEventArgs e)
        {
            try
            {
                DataGridViewRow currentRow = this.dgvOrganization.CurrentRow;
                if (currentRow != null)
                {
                    this.tsbtnEdit.Enabled = true;
                }
                else
                {
                    this.tsbtnEdit.Enabled = false;
                }
            }
            catch (Exception ex)
            {
                // 对异常进行共通处理
                ExceptionManager.HandleEventException(this.ToString(),
                    System.Reflection.MethodBase.GetCurrentMethod().Name, this.Text, ex);
            }
        }

        /// <summary>
        /// 双击进入编辑页面
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void dgvOrganization_CellMouseDoubleClick(object sender, DataGridViewCellMouseEventArgs e)
        {
            try
            {
                // 判断是否是双击列头，如果是双击列头的话，不弹出编辑画面
                if (-Constant.INT_IS_ONE < e.RowIndex && -Constant.INT_IS_ONE < e.ColumnIndex && tsbtnEdit.Enabled && this.tsbtnEdit.Visible)
                {
                    tsbtnEdit_Click(sender, e);
                }
            }
            catch (Exception ex)
            {
                // 对异常进行共通处理
                ExceptionManager.HandleEventException(this.ToString(),
                    System.Reflection.MethodBase.GetCurrentMethod().Name, this.Text, ex);
            }
        }

        /// <summary>
        /// KeyDown事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void dgvOrganization_KeyDown(object sender, KeyEventArgs e)
        {
            try
            {
                // 拷贝
                if (e.KeyData == (Keys.Control | Keys.C))
                {
                    if (dgvOrganization.CurrentRow != null
                        && !string.IsNullOrEmpty(dgvOrganization.CurrentRow.Cells[dgvOrganization.CurrentCell.ColumnIndex].EditedFormattedValue + string.Empty))
                    {
                        try
                        {
                            Clipboard.SetText(dgvOrganization.CurrentRow.Cells[dgvOrganization.CurrentCell.ColumnIndex].EditedFormattedValue + string.Empty);
                        }
                        catch { }
                    }
                }
            }
            catch (Exception ex)
            {
                // 对异常进行共通处理
                ExceptionManager.HandleEventException(this.ToString(),
                    System.Reflection.MethodBase.GetCurrentMethod().Name, this.Text, ex);
            }
        }

        #endregion

        #region 私有方法

        /// <summary>
        /// 获取组织机构结果集
        /// </summary>
        /// <returns></returns>
        private DataSet GetOrganization()
        {
            try
            {
                OrganizationEntity organization = new OrganizationEntity();
                //组织机构
                organization.OrganizationCode = this.txtOrganizationCode.Text.Trim();
                organization.OrganizationName = this.txtOrganizationName.Text.Trim();
                // 票号开头字母
                organization.LetterMarket = this.txtLetterMarket.Text.Trim();
                // 联系电话
                organization.Telephone = this.txtTelephone.Text.Trim();
                // 地址
                organization.Address = this.txtAddress.Text;
                // 备注
                organization.Remarks = this.txtRemarks.Text;
                // 正常标识
                organization.ValueFlags = this.chkValueFlag.SelectedValues;
                organization.in_UserID = LogInUserInfo.CurrentUser.CurrentUserEntity.UserID;
                organization.in_AccountID = LogInUserInfo.CurrentUser.CurrentUserEntity.AccountID;
                this._organization = organization;
                return SystemModuleProxy.Service.SelectOrganizationData(organization);
            }
            catch (Exception ex)
            {
                throw ex;
            }

        }

        /// <summary>
        /// 根据上级组织机构的编码获取其下级的最大级数
        /// </summary>
        /// <param name="parentCode">上级组织机构的Code</param>
        /// <returns>下级的最大级数</returns>
        private int GetLevel(string parentCode)
        {
            try
            {
                // 下级的最大级数
                int level = Constant.INT_IS_ZERO;
                // 查询数据库获取下级最大编码
                this._organization = new OrganizationEntity();
                this._organization.OrganizationCode = parentCode;
                DataSet result = (DataSet)DoAsync(new AsyncMethod(GetOrganization));
                this.dgvOrganization.ReadOnly = true;
                if (result != null
                    && result.Tables.Count > Constant.INT_IS_ZERO
                    && result.Tables[0].Rows.Count > Constant.INT_IS_ZERO)
                {
                    string tmpCode = Convert.ToString(result.Tables[0].Compute("MAX(OrganizationCode)", string.Empty));
                    level += (tmpCode.Length - parentCode.Length) / Constant.INT_IS_THREE;
                }
                return level;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        /// <summary>
        /// 还原保存treeview的节点
        /// </summary>
        /// <param name="nodes">节点</param>
        private void SetTreeNodesStatus(TreeNodeCollection nodes)
        {
            foreach (TreeNode node in nodes)
            {
                SetTreeNodesStatus(node.Nodes);
            }
        }

        /// <summary>
        /// 根据所取得的组织数据，生成树形
        /// </summary>
        private void CreateOrganizationTree()
        {
            try
            {
                // 取得组织机构数据
                OrganizationEntity organization = new OrganizationEntity();
                object[] valueFlags = new object[1];
                valueFlags[0] = 1;
                organization.ValueFlags = valueFlags;
                this._organization = organization;
                // 获取有效的组织机构
                DataSet result = (DataSet)DoAsync(new AsyncMethod(GetOrganization));
                this.dgvOrganization.ReadOnly = true;
                if (result != null && result.Tables.Count > Constant.INT_IS_ZERO)
                {
                    // 组织为空时，直接返回
                    if (result.Tables[0].Rows.Count < Constant.INT_IS_ONE)
                    {
                        return;
                    }
                    if (tvwOrganization.Nodes.Count > Constant.INT_IS_ZERO)
                    {
                        // 添加节点前，保存状态
                        SaveTreeNodesStatus(tvwOrganization.Nodes);
                    }
                    // 将所有节点清除
                    this.tvwOrganization.Nodes.Clear();
                    TreeNode organizationNode = null;
                    DataRow[] organizationRows
                         = result.Tables[0].Select("OrganizationCode LIKE '00%' AND LEN(OrganizationCode) = 3");
                    // 显示节点
                    InitTreeView(result.Tables[0], organizationRows, organizationNode);
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        /// <summary>
        /// 递归显示组织树形目录
        /// </summary>
        /// <param name="orgData">组织机构数据源</param>
        /// <param name="rows">根节点</param>
        /// <param name="node">树节点</param>
        private void InitTreeView(DataTable orgData, DataRow[] rows, TreeNode node)
        {
            try
            {
                foreach (DataRow row in rows)
                {
                    TreeNode sNode = null;
                    if (node == null)
                    {
                        // 新建树节点并添加
                        sNode = new TreeNode();
                        sNode.Text = row["OrganizationName"].ToString();
                        sNode.Name = row["OrganizationCode"].ToString();
                        sNode.Tag = row["OrganizationID"].ToString();
                        this.tvwOrganization.Nodes.Add(sNode);
                    }
                    else
                    {
                        // 在原有树中加入节点
                        sNode = node.Nodes.Add(row["OrganizationName"].ToString());
                        sNode.Name = row["OrganizationCode"].ToString();
                        sNode.Tag = row["OrganizationID"].ToString();
                    }
                    if (this._CodeTimp == row["OrganizationCode"].ToString())
                    {
                        tvwOrganization.SelectedNode = sNode;
                    }
                    // 查找子节点
                    string filterExpression = "OrganizationCode LIKE '" + row["OrganizationCode"].ToString()
                        + "%' AND LEN(OrganizationCode) = " + (row["OrganizationCode"].ToString().Length + 3);
                    DataRow[] subRows = orgData.Select(filterExpression);
                    // 递归绑定子节点
                    InitTreeView(orgData, subRows, sNode);
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        /// <summary>
        /// 保存treeview状态
        /// </summary>
        /// <param name="nodes"></param>
        private void SaveTreeNodesStatus(TreeNodeCollection nodes)
        {
            foreach (TreeNode node in nodes)
            {
                SaveTreeNodesStatus(node.Nodes);
            }
        }

        /// <summary>
        /// 判断该组织机构下是否存在员工
        /// </summary>
        /// <param name="organizationCode">组织机构编码</param>
        /// <returns></returns>
        private bool IsExistStaff(int organizationID)
        {
            try
            {
                if (organizationID <= Constant.INT_IS_ZERO)
                {
                    return false;
                }
                // 获取员工数据
                this._organization = new OrganizationEntity();
                this._organization.OrganizationID = organizationID;
                return false;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        /// <summary>
        /// 获取上级组织机构中已经存在的组织机构数量
        /// </summary>
        /// <param name="parentCode">上级组织机构的Code</param>
        /// <returns>组织机构数量</returns>
        private int GetOrgLevelMax(string parentCode)
        {
            try
            {
                // 获取数据源中的结构信息
                this._organization = new OrganizationEntity();
                this._organization.OrganizationCode = parentCode;
                DataSet result = (DataSet)DoAsync(new Dongke.IBOSS.PRD.Basics.DockPanel.AsyncMethod(GetOrganization));
                this.dgvOrganization.ReadOnly = true;
                if (result != null && result.Tables.Count > Constant.INT_IS_ZERO)
                {
                    if (result.Tables[0].Rows.Count > Constant.INT_IS_ONE)
                    {
                        // 从数据源中查找组织结构最大值
                        DataTable filterDataTable = result.Tables[0].Clone();
                        // 过滤本级组织机构
                        string filterExpression = "OrganizationCode LIKE '" + parentCode + "%'"
                             + " AND LEN(OrganizationCode) = " + (parentCode.Length + Constant.INT_IS_THREE);
                        DataRow[] dataRows = result.Tables[0].Select(filterExpression, "OrganizationCode DESC");
                        foreach (DataRow row in dataRows)
                        {
                            filterDataTable.Rows.Add(row.ItemArray);
                        }
                        if (Constant.INT_IS_ZERO < filterDataTable.Rows.Count)
                        {
                            // 取得本级以下所有子级的组织机构集合
                            string organizationCode = filterDataTable.Rows[0]["OrganizationCode"].ToString();
                            // 当前最大的组织机构代码
                            organizationCode = organizationCode.Substring(organizationCode.Length - Constant.INT_IS_THREE);
                            return Convert.ToInt32(organizationCode);
                        }
                        return Constant.INT_IS_ZERO;
                    }
                }
                return Constant.INT_IS_ZERO;
            }
            catch (Exception ex)
            {
                throw ex;
            }

        }

        #endregion
    }
}