using System;
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using System.Collections.Generic;
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using System.Text;
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namespace Shared.Phone
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{
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/// <summary>
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/// 日期选择控件(设置和获取值,请使用 dateValue)
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/// </summary>
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public class DateSelectControl : ButtonBase
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{
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#region ■ 变量声明___________________________
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/// <summary>
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/// 日期选择时间(8位,如：20101231)
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/// </summary>
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public Action<string> DateSelectEvent = null;
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/// <summary>
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/// 日期格式
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/// </summary>
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private string dateFomat = string.Empty;
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/// <summary>
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/// 标题信息
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/// </summary>
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private string titleText = string.Empty;
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private string m_dateValue = "00000000";
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/// <summary>
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/// 设置或者获取日期值(8位,如：20101231)
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/// </summary>
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public string dateValue
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{
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get { return m_dateValue; }
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set
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{
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this.m_dateValue = value;
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int year = Convert.ToInt32(value.Substring(0, 4));
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int month = Convert.ToInt32(value.Substring(4, 2));
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int day = Convert.ToInt32(value.Substring(6, 2));
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var myTime = new DateTime(year, month, day);
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this.Text = myTime.ToString(this.dateFomat);
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}
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}
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/// <summary>
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/// 年
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/// </summary>
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public int Year
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{
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get { return Convert.ToInt32(m_dateValue.Substring(0, 4)); }
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}
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/// <summary>
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/// 月
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/// </summary>
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public int Month
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{
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get { return Convert.ToInt32(m_dateValue.Substring(4, 2)); }
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}
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/// <summary>
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/// 日
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/// </summary>
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public int Day
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{
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get { return Convert.ToInt32(m_dateValue.Substring(6, 2)); }
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}
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#endregion
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#region ■ 初始化_____________________________
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/// <summary>
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/// 日期选择控件(设置和获取值,请使用 dateValue)
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/// </summary>
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/// <param name="i_titleText">标题文本</param>
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/// <param name="i_dateFomat">日期格式</param>
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public DateSelectControl(string i_titleText = "", string i_dateFomat = "yyyy/MM/dd")
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{
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this.dateFomat = i_dateFomat;
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this.titleText = i_titleText;
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//用来计算长度的
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string dateTextTemp = DateTime.Now.ToString(i_dateFomat);
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this.TextSize = 12;
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this.Text = dateTextTemp;
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this.InitSize(this.GetRealWidthByText(), Application.GetRealHeight(50), false);
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this.Text = string.Empty;
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//弹起日期选择
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this.ButtonClickEvent += (sender, e) =>
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{
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//日期选择
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this.DoSelectDate();
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};
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}
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#endregion
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#region ■ 日期选择___________________________
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/// <summary>
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/// 日期选择
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/// </summary>
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private void DoSelectDate()
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{
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var listYear = new List<string>();
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int nowYear = Convert.ToInt32(DateTime.Now.ToString("yyyy"));
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for (int i = 0; i < 6; i++)
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{
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//五年时间
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listYear.Insert(0, (nowYear - i).ToString());
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}
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//月
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var listMonth = new List<string>();
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var monthText = Language.StringByID(R.MyInternationalizationString.Month);
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for (int i = 1; i <= 12; i++)
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{
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listMonth.Add(i.ToString().PadLeft(2, '0') + monthText);
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}
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//日
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var listDay = new List<string>();
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var dayText = Language.StringByID(R.MyInternationalizationString.Day);
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for (int i = 1; i <= 31; i++)
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{
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listDay.Add(i.ToString().PadLeft(2, '0') + dayText);
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}
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PickerView.ShowNormal(listYear, listMonth, listDay, (iyear, imonth, iday) =>
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{
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//获取正确的日期文本
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string datetTemp = this.GetRightDateText(Convert.ToInt32(listYear[iyear]), Convert.ToInt32(listMonth[imonth].Substring(0, 2)), Convert.ToInt32(listDay[iday].Substring(0, 2)));
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bool change = datetTemp != this.dateValue;
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//文本显示
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this.dateValue = datetTemp;
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if (change == true)
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{
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//值改变才会调用回调函数
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DateSelectEvent?.Invoke(datetTemp);
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}
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},
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listYear.IndexOf(m_dateValue.Substring(0, 4)),
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listMonth.IndexOf(m_dateValue.Substring(4, 2) + monthText),
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listDay.IndexOf(m_dateValue.Substring(6, 2) + dayText),
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this.titleText,
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Language.StringByID(R.MyInternationalizationString.uFinish),
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Language.StringByID(R.MyInternationalizationString.uCancel));
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}
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#endregion
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#region ■ 一般方法___________________________
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/// <summary>
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/// 获取正确的日期文本
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/// </summary>
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/// <param name="year"></param>
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/// <param name="month"></param>
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/// <param name="day"></param>
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/// <returns></returns>
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private string GetRightDateText(int year, int month, int day)
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{
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if (month == 4 || month == 6 || month == 9 || month == 11)
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{
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if (day > 30)
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{
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day = 30;
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}
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}
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else if (month == 2)
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{
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//闰年
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if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0)
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{
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if (day > 29)
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{
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day = 29;
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}
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}
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else
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{
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if (day > 28)
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{
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day = 28;
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}
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}
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}
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return year.ToString() + month.ToString().PadLeft(2, '0') + day.ToString().PadLeft(2, '0');
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}
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#endregion
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}
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}
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