OPMS/03-程式設計階段/TmpWeb/OT.Controls/DropDownList.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data;
using System.Web.UI.WebControls;
using System.ComponentModel;
using System.Data.SqlClient;
using System.Text;
using DBUtility;

#region histroy
///程式代號：UCDropDownList
///程式名稱：系統共用下拉選單
///程式說明：        
///xx.YYYY/MM/DD    VER     AUTHOR       COMMENTS(說明修改的內容)  
///01.2012/08/10    1.0     Ethan        CREATE 
///02.2014/03/05    1.1     Dean         _FullText 改為如果有|| 符號則前面的為文字後面的為值

#endregion

namespace OT.Controls
{
    public class DropDownList : System.Web.UI.WebControls.DropDownList
    {
        #region Declare Region
        private Boolean _IsSubTextLength = false;                   //是否截取Text長度
        private int _TextLength = 30;                               //文字的最大長度
        private BindType _IsShowFullText = BindType.No;             //是否設置'全部' 
        private string _FullText = "請選擇...";                     //未選擇時的的預設第一個值設定
        private Boolean _IsValueOrText = true;                      //是否相反顯示Text或Value值(True：text-value,False:Value-text) 
        private Boolean _IsHtmlDecode = false;                      //是否將顯示的Text值HtmlDecode加碼
        private DropDownListType _DrpType = DropDownListType.None;  //下拉框類別
        private TextType _IsShowID = TextType.No;                   //是否顯示ID    
        private string _selectedtext = string.Empty;                //設定下拉框選中的Text值
        private string parameterValue;                              //SQL參數



        private static readonly object EventUCInit = new object();
        #endregion

        #region Property Region

        #region IsSubTextLength
        /// <summary> 
        /// 是否截取文字顯示的最大長度. 預設30
        /// </summary>
        [Category("Behavior"),
        DefaultValue(false),
        Description("是否截取文字顯示的最大長度. 預設30")]
        public Boolean IsSubTextLength
        {
            get
            {
                return _IsSubTextLength;
            }
            set
            {
                _IsSubTextLength = value;
            }
        }
        #endregion

        #region TextLength
        /// <summary>
        /// 文字顯示的最大長度
        /// </summary>
        [Category("Behavior"),
        DefaultValue(30),
        Description("文字顯示的最大長度")]
        public int TextLength
        {
            get { return _TextLength; }
            set { _TextLength = value; }
        }
        #endregion

        #region IsShowFullText
        /// <summary>
        /// 是否顯示'全部'選項
        /// </summary>
        [Category("Behavior"),
        DefaultValue(BindType.No),
        Description("是否顯示'全部'選項")]
        public BindType IsShowFullText
        {
            get
            {
                return _IsShowFullText;
            }
            set
            {
                _IsShowFullText = value;
            }
        }
        #endregion

        #region FullText
        /// <summary>
        /// 『全部』的客制化設定
        /// </summary>
        [Category("Behavior"),
        DefaultValue("請選擇"),
        Description("『全部』的客制化設定")]
        public string FullText
        {
            get { return _FullText; }
            set { _FullText = value; }
        }
        #endregion

        #region IsValueOrText
        /// <summary> 
        /// 是否相反顯示Text或Value
        /// </summary>
        [Category("Behavior"),
        DefaultValue(true),
        Description("text 顯示格式，需要和IsShowID配合使用 true:value - text;false:text - value")]
        public Boolean IsValueOrText
        {
            get
            {
                return _IsValueOrText;
            }
            set
            {
                _IsValueOrText = value;
            }
        }
        #endregion

        #region IsHtmlDecode
        /// <summary>
        /// 是否將顯示的Text值HtmlDecode加碼
        /// </summary>
        [Category("Behavior"),
        DefaultValue(false),
        Description("是否將顯示的Text值HtmlDecode加碼")]
        public Boolean IsHtmlDecode
        {
            get
            {
                return _IsHtmlDecode;
            }
            set
            {
                _IsHtmlDecode = value;
            }
        }
        #endregion

        #region DrpType
        /// <summary>
        /// 下拉框類別
        /// </summary>
        [Category("Behavior"),
        DefaultValue(DropDownListType.None),
        Description("下拉框類別")]
        public DropDownListType DrpType
        {
            get
            {
                return _DrpType;
            }
            set
            {
                _DrpType = value;
                if (_DrpType != DropDownListType.None)
                {
                    BindDrp();
                }
            }
        }
        #endregion

        #region IsShowID
        /// <summary>
        /// 是否設置ID
        /// </summary>
        [Category("Behavior"),
        DefaultValue(TextType.No),
        Description("是否設置顯示'ID'")]
        public TextType IsShowID
        {
            get
            {
                return _IsShowID;
            }
            set
            {
                _IsShowID = value;
            }
        }
        #endregion

        #region SelectedText
        /// <summary>
        /// 設定下拉框選中的Text值
        /// </summary>
        [Category("Behavior"),
        DefaultValue(""),
        Description("讀取或設定下拉框選中的Text值")]
        public string SelectedText
        {
            get
            {
                return base.SelectedItem.Text;
            }
            set
            {
                bool b_Flag = true;
                foreach (System.Web.UI.WebControls.ListItem li in this.Items)
                {
                    li.Selected = false;
                    if (li.Text.Equals(value))
                    {
                        li.Selected = true;
                        b_Flag = false;
                    }
                }
                if (b_Flag)
                    this.SelectedIndex = 0;
            }
        }
        #endregion

        #region SelectedValue
        /// <summary>
        /// 設定下拉框選中的Value值"
        /// </summary>
        public override string SelectedValue
        {
            get
            {
                return base.SelectedValue;
            }
            set
            {
                if (base.Items.FindByValue(value) != null)
                {
                    base.SelectedValue = value;
                }
                else
                {
                    base.SelectedIndex = 0;
                }
            }
        }
        #endregion

        #region Value
        /// <summary>
        /// 設定下拉框選中的Value值
        /// </summary>
        [Category("Behavior"),
        DefaultValue(""),
        Description("讀取或設定下拉框選中的Value值")]
        public string Value
        {
            get
            {
                return this.SelectedValue;
            }
            set
            {
                this.SelectedValue = value;
            }
        }
        #endregion

        public override Unit Width
        {
            set
            {
                base.Width = value;
            }
            get
            {
                return base.Width;
            }
        }

        public string ParameterValue
        {
            get { return parameterValue; }
            set { parameterValue = value; }
        }

        public event EventHandler UCInit
        {
            add
            {
                base.Events.AddHandler(EventUCInit, value);
            }
            remove
            {
                base.Events.RemoveHandler(EventUCInit, value);
            }
        }
        #endregion

        #region Definition Private Methods
        protected virtual void OnUCInit(EventArgs e)
        {
            EventHandler handler = (EventHandler)Events[EventUCInit];

            if (handler != null)
            {
                handler(this, e);
            }
        }

        /// <summary>
        /// 複寫OnInit方法
        /// </summary>
        /// <param name="e"></param>
        protected override void OnInit(EventArgs e)
        {
            try
            {
                base.OnInit(e);
                OnUCInit(EventArgs.Empty);
                if (_DrpType != DropDownListType.None)
                    BindDrp();
            }
            catch (Exception ex)
            {
                throw new Exception(ex.ToString());
            }
        }

        /// <summary>
        /// 綁定下拉框
        /// </summary>
        public void BindDrp()
        {
            this.Items.Clear();
            if (this.Page != null)
            {
                if (this.Page.Site != null && this.Page.Site.DesignMode)
                {
                    return;
                }
            }
            //獲取SQL語句
            string strSQL = getSQL();
            if (strSQL == "")
            {
                strSQL = "SELECT '' [A], '' [B]";
            }
            DataTable o_dt = DbHelperSQL.Query(strSQL).Tables[0];
            if (o_dt != null && o_dt.Rows.Count > 0)
            {
                foreach (DataRow row in o_dt.Rows)
                {
                    string strValue = row[0].ToString();
                    string strText = row[1].ToString();
                    string strFullText = string.Empty;
                    if (IsShowID == TextType.Yes)
                    {
                        if (IsValueOrText)
                        {
                            strText = strValue + " - " + strText;
                        }
                        else
                        {
                            strText = strText + " - " + strValue;
                        }
                    }

                    if (IsHtmlDecode)
                    {
                        //如果需要HtmlDecode編碼
                        strText = HttpUtility.HtmlDecode(strText);
                    }
                    strFullText = strText;
                    if (IsSubTextLength && strText.Length > TextLength)
                    {
                        if (TextLength > 3)
                        {
                            strText = strText.Substring(0, TextLength - 3) + "...";
                        }
                        else
                        {
                            strText = strText.Substring(0, TextLength) + "...";
                        }
                    }
                    ListItem item = new ListItem(strText, strValue);
                    item.Attributes.Add("title", strFullText);
                    this.Items.Add(item);
                }
            }
            ///2014/03/05    1.1     Dean         _FullText 改為如果有|| 符號則前面的為文字後面的為值
            if (IsShowFullText == BindType.Yes)
            {
                if (FullText.IndexOf("||") > 0)
                {
                    this.Items.Insert(0, new System.Web.UI.WebControls.ListItem(FullText.Split(new string[] { "||" }, StringSplitOptions.RemoveEmptyEntries).GetValue(0).ToString(), FullText.Split(new string[] { "||" }, StringSplitOptions.RemoveEmptyEntries).GetValue(1).ToString()));
                }
                else
                {
                    this.Items.Insert(0, new System.Web.UI.WebControls.ListItem(FullText, ""));
                }
            }
        }
        /// <summary>
        /// 查詢SQL語句
        /// </summary>
        /// <returns>strSQL</returns>
        private string getSQL()
        {
            string strSQL = "";
            switch (DrpType)
            {
                case DropDownListType.None://暫時無效列表 Add by Ethan, 2012/08/17.
                    strSQL = " SELECT  ArgumentClassID,ArgumentClassName FROM OTB_SYS_Argumentclass WHERE Effective='1' ";
                    break;
                case DropDownListType.ArgumentClassList://參數類別有效列表,主要用於新增時全選的地方 Add by Ethan, 2012/08/17.
                    strSQL = " SELECT ArgumentClassID,ArgumentClassName FROM OTB_SYS_Argumentclass WHERE Effective='Y' AND DelStatus='N' ORDER BY OrderByValue ";
                    break;
                case DropDownListType.ArgumentClassListAll://參數類別全部列表 Add by Alina, 2012/11/21.
                    strSQL = " SELECT ArgumentClassID,ArgumentClassName FROM OTB_SYS_Argumentclass WHERE Effective='Y' ORDER BY OrderByValue ";
                    break;
                case DropDownListType.RoleList://角色信息有效列表 Add by Ethan, 2012/08/20.
                    strSQL = " SELECT RuleID,RuleName FROM OTB_SYS_Rules WHERE DelStatus='N' ORDER BY RuleID ";
                    break;
                case DropDownListType.ModuleList://模組維護信息列表 Add by Alina,模組選擇上層代碼時 2012/08/20.
                    strSQL = " SELECT ModuleID,ModuleName FROM OTB_SYS_ModuleList ORDER BY OrderByValue";
                    break;
                case DropDownListType.Department://部門有效列表 Add by Alina, 職稱中會選擇部門 2013/11/20.
                    strSQL = " SELECT DepartmentID,DepartmentName FROM OTB_SYS_Departments WHERE Effective='Y' ORDER BY DepartmentID ";
                    break;
                case DropDownListType.ChiefID://主管代號 Add by Jack, 2014/07/21.
                    strSQL = "SELECT MemberID,MemberName FROM dbo.OTB_SYS_Members AS b LEFT JOIN dbo.OTB_SYS_Jobtitle AS j ON b.JobTitleID=j.JobtitleID WHERE j.JobtitleID='001'";
                    break;
                case DropDownListType.DeptIDList:  //部門信息列表 Add by John,  職稱部分需要當查詢條件2012/11/26.
                    strSQL = " SELECT DepartmentID,DepartmentName FROM OTB_SYS_Departments WHERE Effective='Y' ORDER BY DepartmentName";
                    break;
                case DropDownListType.JobtitleList://職稱信息列表 Add by John,人員處需要該部分 2013/11/26.
                    strSQL = " SELECT JobtitleID,JobtitleName AS JobtitleName FROM OTB_SYS_Jobtitle WHERE Effective='Y' ORDER BY JobtitleName";
                    break;
                case DropDownListType.MemberList://人員信息列表 Add by John,人員處需要該部分 2013/11/26.
                    strSQL = " SELECT  MemberID ,MemberName FROM    dbo.OTB_SYS_Members ";
                    break;
                case DropDownListType.JobClass://工作類別列表 Add by Alina,人員處需要該部分 2015/7/29.
                    strSQL = " SELECT  ArgumentID,ArgumentValue FROM dbo.OTB_SYS_Arguments WHERE Effective='Y' AND DelStatus='N' AND ArgumentClassID='JobClass' ";
                    break;
                case DropDownListType.TableDirectory://資料表列表 Add by Gary 20141013
                    strSQL = " select distinct form_id as Table_NameC,form_id as Table_NameE from OTB_SYS_TableDirectory order by form_id ";
                    break;

            }
            return strSQL;
        }
        #endregion

        #region Definition Public Methods

        #endregion
    }

    #region 枚舉類型
    /// <summary>
    /// 是否顯示未選擇
    /// </summary>
    public enum BindType
    {
        /// <summary>
        /// 否
        /// </summary>
        No,
        /// <summary>
        /// 是
        /// </summary>
        Yes
    }
    /// <summary>
    /// 下拉框類別枚舉
    /// </summary>
    public enum DropDownListType
    {
        #region 枚舉類型
        /// <summary>
        /// 0、預設
        /// </summary>
        None = 0,
        /// <summary>
        /// 參數類別有效列表
        /// </summary> 
        ArgumentClassList,
        /// <summary>
        /// 參數類別全部列表
        /// </summary> 
        ArgumentClassListAll,
        /// <summary>
        /// 角色信息有效列表
        /// </summary>
        RoleList,
        /// <summary>
        /// 模組維護信息列表
        /// </summary>
        ModuleList,
        ///<summary>
        ///部門列表
        ///</summary>
        Department,
        /// <summary>
        /// 部門信息列表
        /// </summary>
        DeptIDList,
        /// <summary>
        /// 職稱信息列表
        /// </summary>
        JobtitleList,
        ///<summary>
        ///主管代號       //Add By Jack 2014/07/21
        ///</summary>
        ChiefID,
        ///<summary>
        ///人員信息列表
        ///</summary>
        MemberList,
        /// <summary>
        /// 工作類別
        /// </summary>
        JobClass,
        /// <summary>
        /// 資料表列表
        /// </summary>
        TableDirectory,
        #endregion
    }
    /// <summary>
    /// 是否顯示代號,當查詢到BSYSDATA里的數據時用此屬性
    /// </summary>
    public enum TextType
    {
        /// <summary>
        /// 是顯示
        /// </summary>
        Yes,
        /// <summary>
        /// 否不顯示
        /// </summary>
        No
    }


    #endregion
}