/// <summary>
/// Constructor, Intializing RelayCommands and Lists
/// </summary>
public StopwatchTimersVM()
{
// Relay commands to handle any task related to FirstStopwatch
StartFirstStopwatchCommand = new RelayCommand(() => StartFirstStopwatch());
StopFirstStopwatchCommand = new RelayCommand(() => StopFirstStopwatch());
PauseFirstStopwatchCommand = new RelayCommand(() => PauseFirstStopwatch());
ResetFirstStopwatchCommand = new RelayCommand(() => ResetFirstStopwatch());
EmptyFirstStopWatchListCommand = new RelayCommand(() => EmptyFirstStopwatchList());
// Relay commands to handle any task related to SecondStopwatch
StartSecondStopwatchCommand = new RelayCommand(() => StartSecondStopwatch());
StopSecondStopwatchCommand = new RelayCommand(() => StopSecondStopwatch());
PauseSecondStopwatchCommand = new RelayCommand(() => PauseSecondStopwatch());
ResetSecondStopwatchCommand = new RelayCommand(() => ResetSecondStopwatch());
EmptySecondStopWatchListCommand = new RelayCommand(() => EmptySecondStopwatchList());
// Relay commands to handle any task related to ThirdStopwatch
StartThirdStopwatchCommand = new RelayCommand(() => StartThirdStopwatch());
StopThirdStopwatchCommand = new RelayCommand(() => StopThirdStopwatch());
PauseThirdStopwatchCommand = new RelayCommand(() => PauseThirdStopwatch());
ResetThirdStopwatchCommand = new RelayCommand(() => ResetThirdStopwatch());
EmptyThirdStopWatchListCommand = new RelayCommand(() => EmptyThirdStopwatchList());
// Filling the HoursList with 0-24 hours
for (short i = 0; i <= 99; i++)
{
HoursList.Add(i);
}
// Filling the MinutesList and SecondsList with 0-60 minutes
for (short i = 0; i <= 60; i++)
{
MinutesList.Add(i);
SecondsList.Add(i);
}
StartFirstTimerCommand = new RelayCommand(() => StartFirstTimer());
PauseFirstTimerCommand = new RelayCommand(() => PauseFirstTimer());
StopFirstTimerCommand = new RelayCommand(() => StopFirstTimer());
StartSecondTimerCommand = new RelayCommand(() => StartSecondTimer());
PauseSecondTimerCommand = new RelayCommand(() => PauseSecondTimer());
StopSecondTimerCommand = new RelayCommand(() => StopSecondTimer());
StartThirdTimerCommand = new RelayCommand(() => StartThirdTimer());
PauseThirdTimerCommand = new RelayCommand(() => PauseThirdTimer());
StopThirdTimerCommand = new RelayCommand(() => StopThirdTimer());
}
/// <summary>
/// 编译分析时程表达式
/// </summary>
private void BuildExpression()
{
// Format : "* * * * * * *"
// 第1列表示秒数0～59 每 秒用*或者*/1表示
// 第2列表示分钟0～59 每分钟用*或者*/1表示
// 第3列表示小时0～23 每小时用*或者*/1表示
// 第4列表示日期1～31 每 天用*或者*/1表示
// 第5列表示月份1～12 每 月用*或者*/1表示
// 第6列表示星期0～6 每 天用*表示*/1表示 0表示星期天
// 第7列表示月份2000～2099 每年用*或者*/1表示
// * 代表任意 * 每个
// / 代表每隔 /2 每隔2
// - 代表区间 1-7 从1至7
// , 表示单独 1,3 1和3
// 例子： 1-10/2 * * 17 9 * * 描述为 9月17日，在每分钟内，从1-10秒间每隔2秒触发一次
if (string.IsNullOrEmpty(CronExpressionString))
{
throw new FormatException("CronExpressionString bad format.");
}
// 分割字符串
string[] columns = CronExpressionString.Trim().Split(new char[] { ' ', '\t', '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
// 验证表达式字符串
CronExpressionHelper.ValidateCronExpression(columns);
// 构造基础数据
for (int i = 0; i < columns.Length; i++)
{
string item = columns[i];
switch (i)
{
case 0:
// 秒
SecondsList = CronExpressionHelper.ParseSecondExpression(item);
break;
case 1:
// 分钟
MinutesList = CronExpressionHelper.ParseMinuteExpression(item);
break;
case 2:
// 小时
HoursList = CronExpressionHelper.ParseHourExpression(item);
break;
case 3:
// 日期
DaysList = CronExpressionHelper.ParseDayExpression(item);
break;
case 4:
// 月份
MonthsList = CronExpressionHelper.ParseMonthExpression(item);
break;
case 5:
// 星期
WeekdaysList = CronExpressionHelper.ParseWeekdayExpression(item);
break;
case 6:
// 年份
YearsList = CronExpressionHelper.ParseYearExpression(item);
break;
default:
CronExpressionValidationException.Throw("Maybe validation parsed error.");
break;
}
}
if (SecondsList == null ||
MinutesList == null ||
HoursList == null ||
DaysList == null ||
MonthsList == null ||
WeekdaysList == null ||
YearsList == null)
{
CronExpressionValidationException.Throw("CronExpression parsed collections null.");
}
// 列表内数据从小到大排序
SecondsList.Sort();
MinutesList.Sort();
HoursList.Sort();
DaysList.Sort();
MonthsList.Sort();
WeekdaysList.Sort();
YearsList.Sort();
}
