calendar

the interface of the working calendar object

object calendar;

Details

Read the Work Time Calculation article for detailed info on working calendars.

The calendar object possesses the following methods and properties:

setWorkTime(config) - sets the working time for the Gantt chart
- config - (object) the configuration object of a time span

calendar.setWorkTime({ hours:["9:00-18:00"] });

unsetWorkTime(config) unsets a working time in the Gantt Chart
- config - (object) the configuration object of a time span

calendar.unsetWorkTime({ hours:["9:00-18:00"] });

isWorkTime(date[,time_unit]) checks whether the specified date is working
- date - (Date) a date to check
- time_unit - (string) optional, a time unit: "minute", "hour", "day", "week", "month", "year"
  or
- config - (object) the configuration object of a time span

var calendar = gantt.getTaskCalendar(task);
if (calendar.isWorkTime({date: date})){
    alert("worktime of task" + task.text);
}

getClosestWorkTime(config) - returns the closest working time
- config - (object) the configuration object

calendar.getClosestWorkTime({
    date:new Date(2013,0,1), 
    dir:"future", 
    unit:"hour"
});

calculateEndDate(start,duration[,unit]) - calculates the end date of a task
- start - (Date) the date when a task is scheduled to begin
- duration - (number) the duration of a task
- unit - (string) optional, the time unit of the duration
  or
- config - (object) the configuration object of a time span

var end_date = calendar.calculateEndDate({start_date:date, duration:duration});

calculateDuration(start,end) - calculates the duration of a task
- start - (Date) the date when a task is scheduled to begin
- end - (Date) the date when a task is scheduled to be completed
  or
- config - (object) the configuration object of a time span

calendar.calculateDuration(new Date(2013,02,15), new Date(2013,02,25));