class
SAPO.Utility.TimeEvent
Abstracts a point in time and operations on it.
NOTE: always fetch date component with UTC methods, otherwise you may get different results (affected by time zone).
Version:
0.1
Since:
Defined in
Utility/TimeEvent/0.1/lib.js
February 2011
Property Summary
timestamp length of a day (in ms)
timestamp length of an hour (in ms)
timestamp length of a minute (in ms)
timestamp length of a month, i.e., 365.25 days/12 (in ms)
timestamp length of a second (in ms)
timestamp length of a week (in ms)
timestamp length of a year, i.e. 365.25 days (in ms)
Function Summary
to shift the TimeEvent to the future(positive) or past (negative)
returns the extended string representing a date
ex 1999-03-07 04:09:01
supports: %YY year (1999) %yy year (99) %MM month ('March') %Mm month (03) %mm month (3) (1-12) %mM month ('Mar') %Dd day of month (07) %dd day of month (7) (1-31) %DY day of year (037) (001-366) %dy day of year (37) (1-366) %WW day of week ('Terça') %ww day of week (2) (0-6) %wW day of week ('Ter') %w week of year (...) %H hours (04) %h hours (4) (0-23) %M minutes (09) %m minutes (9) (0-59) %S seconds (01) %s seconds (1) (0-59)
Number
getLocalHoursDiffFromUTC()
number of hours of difference between local time and UTC time
(in Portugal differs 1-0 hours, depending on DST)
Number
getLocalTimestamp()
returns timestamp in local time
returns next relevant ts
sets HH:mm:ss of the day to 00:00:00
sets timeEvent to beginning of the month
sets timeEvent to beginning of the year
returns the shortened extended string representing a date
TODO: english case 'Sun, Mar 4th'
returns time diff string
toString()
returns string representation of relevant internal state (for human inspection)
to shift the TimeEvent to the future(positive) or past (negative) DEPRECATED - use add/subtract
updateTs
(Number
ts)
to alter the event to specified timestamp
Number
weekNumber()
returns the nth week number of the year
Property Details
property dayTs
timestamp length of a day (in ms)
property hourTs
timestamp length of an hour (in ms)
property minuteTs
timestamp length of a minute (in ms)
property monthTs
timestamp length of a month, i.e., 365.25 days/12 (in ms)
property secondTs
timestamp length of a second (in ms)
property weekTs
timestamp length of a week (in ms)
property yearTs
timestamp length of a year, i.e. 365.25 days (in ms)
Constructor Details
constructor TimeEvent
TimeEvent(Number|String|undefined
date, [String
label], [Object
custom])
Parameters:
date
- string in the format "YYYY-MM-DD", valid UNIX timestamp or JavaScript Date
[label]
- short text description
[custom]
- optional custom object for holding additional data Function Details
function add
TimeEvent
add(TimeEvent|Number
other)
otherEvt another event to this one
Parameters:
other
function clone
TimeEvent
clone()
returns a new instance of TimeEvent
Returns:
new instance
function dateDiff
TimeEvent
dateDiff(Number
YY, Number
MM, Number
DD, [Number
HH], [Number
mm], [Number
ss])
to shift the TimeEvent to the future(positive) or past (negative)
Parameters:
YY
- number of years of difference to apply
MM
- number of months of difference to apply
DD
- number of days of difference to apply
[HH]
- number of hours of difference to apply
[mm]
- number of minutes of difference to apply
[ss]
- number of seconds of difference to apply function divide
TimeEvent
divide(TimeEvent|Number
other)
devides this event by given event
Parameters:
other
TODO: check if used function extendedDate
String
extendedDate(Boolean
withTime)
returns the extended string representing a date
Parameters:
withTime
function format
ex 1999-03-07 04:09:01
supports: %YY year (1999) %yy year (99) %MM month ('March') %Mm month (03) %mm month (3) (1-12) %mM month ('Mar') %Dd day of month (07) %dd day of month (7) (1-31) %DY day of year (037) (001-366) %dy day of year (37) (1-366) %WW day of week ('Terça') %ww day of week (2) (0-6) %wW day of week ('Ter') %w week of year (...) %H hours (04) %h hours (4) (0-23) %M minutes (09) %m minutes (9) (0-59) %S seconds (01) %s seconds (1) (0-59)
Parameters:
formatStr
function getLocalHoursDiffFromUTC
Number
getLocalHoursDiffFromUTC()
number of hours of difference between local time and UTC time
(in Portugal differs 1-0 hours, depending on DST)
function getLocalTimestamp
Number
getLocalTimestamp()
returns timestamp in local time
function multiply
TimeEvent
multiply(TimeEvent|Number
other)
multiplies another event with this one
Parameters:
other
TODO: check if used, check function nextMajorTs
returns next relevant ts
Parameters:
unit
- one of 'Y', 'M', 'D', 'H', 'm', 's'
Returns:
next major timestamp
function setStartOfDay
TimeEvent
setStartOfDay()
sets HH:mm:ss of the day to 00:00:00
function setStartOfMonth
TimeEvent
setStartOfMonth()
sets timeEvent to beginning of the month
function setStartOfYear
TimeEvent
setStartOfYear()
sets timeEvent to beginning of the year
function setToday
TimeEvent
setToday()
sets timeEvent to today at 00:00
function shortenedExtendedDate
String
shortenedExtendedDate(Boolean
withTime, Boolean
withYear)
returns the shortened extended string representing a date
TODO: english case 'Sun, Mar 4th'
Parameters:
withTime
withYear
function sortFn
user to sort lists of TimeEvents chronologically
Parameters:
a
b
Returns:
{Number}
function subtract
TimeEvent
subtract(TimeEvent|Number
other)
subtracts another event from this one
Parameters:
other
function tellDeltaTime
String
tellDeltaTime()
returns time diff string
function timePart
String
timePart()
returns time part of the dateS
TODO: validate
function toString
toString()
returns string representation of relevant internal state (for human inspection)
Returns:
{String}
function tsDiff
TimeEvent
tsDiff(Number
deltaTs)
to shift the TimeEvent to the future(positive) or past (negative) DEPRECATED - use add/subtract
Parameters:
deltaTs
- timestamp delta to apply (in ms) function updateTs
updateTs(Number
ts)
to alter the event to specified timestamp
Parameters:
ts
- UNIX timestamp, i.e. ms since 1970 function weekNumber
Number
weekNumber()
returns the nth week number of the year