dateedit.cs

C#写成的PB形式的时间控件

            {
                if (this.ContainsFocus)
                {
                    SendKeys.Send("{Right}");
                    _isDelete = true;
                    return true;
                }
            }
            return base.ProcessCmdKey(ref msg, keyData);
        }
        /// <summary>
        /// 获取输入的数字应该在的有效位置
        /// </summary>
        /// <param name="selectIndex"></param>
        /// <param name="inputValue"></param>
        /// <returns>返回空-1;表示操作可以继续，否则将返回的串替换将要更新的串</returns>
        private int getPlace(int selectIndex, int inputValue)
        {
            if (selectIndex == -1 || selectIndex > this.Text.Length - 1)
                return -1;
            string text = this.Text;
            if (selectIndex == 4 || selectIndex == 7)
                selectIndex++;
            if (selectIndex == 5 || selectIndex == 6)
            {
                return getPlaceBySection(5, 12, text, selectIndex, inputValue);

            }
            else
            {
                if (selectIndex == 8 || selectIndex == 9)
                {
                    return getPlaceBySection(8, 31, text, selectIndex, inputValue);

                }
                //当前时间格式是“yyyy-MM-dd HH:mm”
                if (_isLongType)
                {
                    if (selectIndex == 10 || selectIndex == 13)
                        selectIndex++;
                    if (selectIndex == 11 || selectIndex == 12)
                    {
                        return getPlaceBySection(11, 23, text, selectIndex, inputValue);

                    }
                    if (selectIndex == 14 || selectIndex == 15)
                    {
                        return getPlaceBySection(14, 59, text, selectIndex, inputValue);

                    }
                }
                return -1;
            }
        }
        /// <summary>
        /// 根据时间格式中不同部分段的最大值，返回有效的位置
        /// </summary>
        /// <param name="start"></param>
        /// <param name="MaxValue"></param>
        /// <param name="text"></param>
        /// <param name="selectIndex"></param>
        /// <param name="inputValue"></param>
        /// <returns></returns>
        private int getPlaceBySection(int start, int MaxValue, string text, int selectIndex, int inputValue)
        {
            string temp = text;
            temp = temp.Remove(selectIndex, 1);
            temp = temp.Insert(selectIndex, inputValue.ToString());
            temp = temp.Substring(start, 2);
            if (temp[0] == '0')
                temp = temp.Remove(0, 1);
            if (Int16.Parse(temp) <= MaxValue)
                return -1;
            else
            {

                if (selectIndex == start)
                {
                    temp = text;
                    temp = temp.Remove(start, 2);
                    temp = temp.Insert(start, "0");
                    temp = temp.Insert(start, "0");
                    this.Text = temp;
                    start++;
                    return start;
                }
                if (selectIndex == start+1)
                {
                    temp = text;
                    temp = temp.Remove(start, 2);
                    temp = temp.Insert(start, "0");
                    temp = temp.Insert(start, "0");
                    this.Text = temp;
                    return selectIndex;
                }
                else
                {
                    return -2;//表示应该到下一个有效位置
                }

            }

        }
        /// <summary>
        /// 获取数字键对应的数字
        /// </summary>
        /// <param name="e"></param>
        /// <returns></returns>
        private int getIntByCode(KeyEventArgs e)
        {
            int key = -1;
            switch (e.KeyCode)
            {
                case Keys.D0:
                case Keys.NumPad0:
                    key = 0;
                    break;
                case Keys.D1:
                case Keys.NumPad1:
                    key = 1;
                    break;
                case Keys.D2:
                case Keys.NumPad2:
                    key = 2;
                    break;
                case Keys.D3:
                case Keys.NumPad3:
                    key = 3;
                    break;
                case Keys.D4:
                case Keys.NumPad4:
                    key = 4;
                    break;
                case Keys.D5:
                case Keys.NumPad5:
                    key = 5;
                    break;
                case Keys.D6:
                case Keys.NumPad6:
                    key = 6;
                    break;
                case Keys.D7:
                case Keys.NumPad7:
                    key = 7;
                    break;
                case Keys.D8:
                case Keys.NumPad8:
                    key = 8;
                    break;
                case Keys.D9:
                case Keys.NumPad9:
                    key = 9;
                    break;
                default:
                    break;
            }
            return key;

        }

        /// <summary>
        /// 将选中的字符串重置为默认值(提示符的值)
        /// </summary>
        /// <param name="startIndex">字符串的起始字符的位置</param>
        /// <param name="length">maskedTextbox的Text的长度</param>
        /// <returns></returns>
        private string removeString(int startIndex, int length)
        {
            string text = this.Text;
            int indexTemp = startIndex;
            int selectLength = this.SelectionLength;
            for (int index = 0; index < selectLength; index++)
            {
                if (checkChar(indexTemp))
                {
                    text = text.Remove(indexTemp, 1);
                    text = text.Insert(indexTemp, "0");
                }
                indexTemp++;
                if (indexTemp >= length)
                    break;
            }
            return text;
        }
        /// <summary>
        /// 检查指定位置字符是否是有效数字
        /// </summary>
        /// <param name="index">指定位置</param>
        /// <returns>true为有效字符，false为非法字符</returns>
        private bool checkChar(int index)
        {
            if (index < 0 || index > this.Text.Length)
                return false;
            Regex regex = new Regex(@"^[0-9]$");
            string oneChar = this.Text[index].ToString();
            if (!regex.IsMatch(oneChar))
                return false;
            else
                return true;
        }
        /// <summary>
        /// 获取用户输入的字符个数
        /// </summary>
        /// <param name="msktbText">maskedTextbox</param>
        /// <returns>用户输入的字符个数</returns>
        public int getInputCount(MaskedTextBox msktbText)
        {
            if (msktbText == null)
                return -1;
            MaskedTextBox msktbMy = new MaskedTextBox();
            msktbMy.Mask = msktbText.Mask;
            msktbMy.TextMaskFormat = MaskFormat.ExcludePromptAndLiterals;
            msktbMy.PromptChar = '0';
            msktbMy.Text = msktbText.Text;
            return msktbMy.Text.Length;
        }
        /// <summary>
        /// 获取指定日期的完整时间字符串
        /// </summary>
        /// <param name="dt">指定日期</param>
        /// <returns>指定日期的完整时间字符串</returns>
        public String getTime(DateTime dt)
        {
            DateTime dtTemp;
            DateTime dtNow = DateTime.Now;
            dtTemp = dt.Add(new TimeSpan(dtNow.Hour, dtNow.Minute, dtNow.Second));
            return dtTemp.ToString("yyyy-MM-dd HH:mm:ss");
        }
        #endregion

    }
    /// <summary>
    /// Mask格式种类枚举
    /// </summary>
    public enum MaskType
    {
        /// <summary>
        /// Mask格式为"yyyy-MM-dd HH:mm"
        /// </summary>
        Long,
        /// <summary>
        /// Mask格式为"yyyy-MM-dd"
        /// </summary>
        Short
    }
}