CSharp_DevExpress_编辑智能提示功能实现；

来源：互联网发布：服装尺码软件编辑：程序博客网时间：2024/05/01 16:38

功能：在RepositoryItemTextEdit内置编辑器编辑时，自动过滤匹配数据；

=>设计图

=>效果图

=>代码_FormView

using System;using System.Collections.Generic;using System.Data;using System.Windows.Forms;using HelloWorld.classEntity;using DevExpress.XtraEditors;using DevExpress.XtraEditors.Repository;using System.Collections;using DevExpress.XtraGrid.Views.Grid;using System.Drawing;using DevExpress.XtraGrid.Columns;namespace HelloWorld{    public partial class FormView : Form    {        // 数据表格        private readonly DataTable fvdt;        // 数据列表        private readonly List<string> listData;        // 过滤基数_修改后值        private string editStr;        // 容器位置        private Point location;        // 视图大小        private readonly int viewWidth;        private readonly int viewHeight;        public FormView()        {            InitializeComponent();            /// 初始数据_表格            fvdt = getDataTable(16);            /// 初始数据_列表_指定智能提示列            listData = getDataList(fvdt, "name");            // 弹出容器_设置            int wvalue = getColumnWidth(fvgridview, "姓名");            fv_pccLbCtrl.Width = wvalue;            fvpopupcctrl.Width = wvalue + 6;            fv_pccLbCtrl.Height = 150;            fvpopupcctrl.Height = 156;            // 容器位置_(默认)记得手动调节位置(添加增量);            location = new Point(getColumnX(fvgridview, "姓名") + 20, 56);            // 视图大小_设置            viewWidth = fvgridctrl.Width;            viewHeight = fvgridctrl.Height;        }        private void FormView_Load(object sender, EventArgs e)        {            // GridCtrl_绑定数据源            fvgridctrl.DataSource = fvdt;            fvcolDel.Caption = " "; // 操作行；            // 视图单击_获取鼠标坐标            fvgridview.MouseDown += fvgridview_MouseDown;                        // 名字_TextEdit            RepositoryItemTextEdit fvcolNameTxt = new RepositoryItemTextEdit();            fvcolName.ColumnEdit = fvcolNameTxt;            // 事件处理            fvcolNameTxt.Enter += fvcolNameTxt_Enter;            fvcolNameTxt.EditValueChanged += fvcolNameTxt_EditValueChanged;            fvcolNameTxt.Leave += fvcolNameTxt_Leave;            // 容器列表_事件处理            fv_pccLbCtrl.SelectedIndexChanged += fv_pccLbCtrl_SelectedIndexChanged;            // 性别_RepositoryItemLookUpEdit            fvcolSexGluedi.DataSource = getSexEntityData();            fvcolSexGluedi.ValueMember = "SexId";            fvcolSexGluedi.DisplayMember = "SexString";        }        /// <summary>        /// 列表选择        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void fv_pccLbCtrl_SelectedIndexChanged(object sender, EventArgs e)        {            object obj = (sender as ListBoxControl).SelectedItem;            if (obj != null) {                DataRow row = fvgridview.GetFocusedDataRow();                row.BeginEdit();                row["name"] = obj.ToString();                row.EndEdit();            }        }        /// <summary>        /// 视图单击_获取鼠标坐标        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void fvgridview_MouseDown(object sender, MouseEventArgs e)        {            // 鼠标位置            location.Y = e.Location.Y +10;            if ((location.Y + fvpopupcctrl.Height) > viewHeight)            {                location.Y = viewHeight - fvpopupcctrl.Height;            }            /*            // 传入最后列标题(如果是最后列就这样设置)            if ((location.X + fvpopupcctrl.Width) > viewWidth) {                location.X = viewWidth - getColumnWidth(fvgridview, "出生日期") - fvpopupcctrl.Width;            }            */        }        /// <summary>        /// 姓名编辑_进入编辑        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void fvcolNameTxt_Enter(object sender, EventArgs e)        {            if (!location.IsEmpty) {// 设置容器位置；                fvpopupcctrl.Location = location;            }            fv_pccLbCtrl.Items.Clear();            fv_pccLbCtrl.Items.AddRange(listData.ToArray());            fvpopupcctrl.Show();        }        /// <summary>        /// 姓名编辑_值改变后        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void fvcolNameTxt_EditValueChanged(object sender, EventArgs e)        {            // 编辑器            TextEdit edit = sender as TextEdit;            editStr = edit.EditValue.ToString();    // 用于过滤列表数据；            fv_pccLbCtrl.Items.Clear();            fv_pccLbCtrl.Items.AddRange(listData.FindAll(getFilterResult).ToArray());        }        /// <summary>        /// 姓名编辑_焦点离开        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void fvcolNameTxt_Leave(object sender, EventArgs e)        {            fvpopupcctrl.Hide();        }        //////////////////////////////////////////////////////////////////////////////////////////////////////////////        /// <summary>        /// 过滤条件_列表        /// </summary>        /// <param name="filter">列表项</param>        /// <returns></returns>        private bool getFilterResult(string filter)        {            bool flag = false;  // 默认不匹配；            if (editStr != null) {                if (filter.IndexOf(editStr) >-1 ) {                    flag = true;                }            }            return flag;        }        /// <summary>        /// 指定列宽        /// </summary>        /// <param name="gv">列所在视图</param>        /// <param name="colCaption">列标题</param>        /// <returns>指定列宽</returns>        private static int getColumnWidth(GridView gv, string colCaption)        {            int withd = 0;    // 距离；            GridColumnCollection gcc = gv.Columns;            IEnumerator enumerator = gcc.GetEnumerator();            GridColumn gc;            while (enumerator.MoveNext())            {                gc = (GridColumn)enumerator.Current;                if (colCaption.Equals(gc.ToString()))                {                    withd = gc.Width;                    break;                }            }            return withd;        }        /// <summary>        /// 列X距离        /// </summary>        /// <param name="gv">列所在视图</param>        /// <param name="colCaption">列标题</param>        /// <returns>指定列x距离</returns>        private static int getColumnX(GridView gv, string colCaption)        {            int columnX = 0;    // 距离；            GridColumnCollection gcc = gv.Columns;            IEnumerator enumerator = gcc.GetEnumerator();            GridColumn gc;            while (enumerator.MoveNext())            {                gc = (GridColumn)enumerator.Current;                columnX += gc.Width;                if (colCaption.Equals(gc.ToString()))                {                    break;                }            }            return columnX;        }        /// <summary>        /// 获列数据        /// </summary>        /// <param name="dt">数据表</param>        /// <param name="colName">列名</param>        /// <returns>列数据集合</returns>        private static List<string> getDataList(DataTable dt, string colName)        {            List<string> names = new List<string>();            if (dt.Rows.Count > 0)            {                foreach (DataRow r in dt.Rows)                {                    names.Add((r[colName]).ToString());                }            }            return names;        }        /// <summary>        /// 获数据表        /// </summary>        /// <param name="rowNum">数据表行数</param>        /// <returns>数据表</returns>        private static DataTable getDataTable(int rowNum)        {            // 姓名部分数组            string[] fnames = new string[5] { "李", "岑", "唐", "楚", "梁" };            string[] mnames = new string[2] { "小", "大" };            string[] lnames = new string[6] { "莉", "宝", "龙", "源", "静", "堂" };            if (rowNum < 1)            {                rowNum = 6;            }            // 数据表            DataTable dtable = new DataTable();            dtable.Columns.Add("num");            dtable.Columns.Add("name");            dtable.Columns.Add("sex");            dtable.Columns.Add("birthday");            dtable.Columns.Add("del");            // 添加数据行            DataRow row;            for (int i = 0; i < rowNum; i++)            {                row = dtable.NewRow();                row["num"] = "2014030800" + i;                row["name"] = fnames[(i % 5)] + mnames[(i % 2)] + lnames[(i % 6)];                row["sex"] = ((i + 1) % 2) == 0 ? 0 : 1;                row["birthday"] = DateTime.Today.AddYears(-(18 + i)).AddMonths(i % 12 + 1).AddDays(i % 28);                row["del"] = false;                dtable.Rows.Add(row);            }            return dtable;        }        /// <summary>        /// 性别数据_RepositoryItemLookUpEdit        /// </summary>        /// <returns>性别列表</returns>        private static List<SexEntity> getSexEntityData()        {            List<SexEntity> sexList = new List<SexEntity>();            sexList.Add(new SexEntity(0, "女"));            sexList.Add(new SexEntity(1, "男"));            return sexList;        }    }}

=>代码SexEntity实体类

using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace HelloWorld.classEntity{    /// <summary>    /// 性别类_SexEntity(int id, string str)    /// </summary>    public class SexEntity    {        // 性别submitValue        private int sexId;        public int SexId        {            get { return sexId; }            set { sexId = value; }        }        // 性别showValue        private string sexString;        public string SexString        {            get { return sexString; }            set { sexString = value; }        }        public SexEntity(int id, string str) {            this.sexId = id;            this.sexString = str;        }        public override string ToString()        {            return this.sexString;        }    }}

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