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  • time-interval.coffee

  • ¶

    Copyright 2013 The Apache Software Foundation

    Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

    http:#www.apache.org/licenses/LICENSE-2.0

    Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

  • ¶

    t5/core/time-interval

    Used with the Interval component to express the interval between two timestamps, or the dynamic difference between now and an end point in the past or future.

    define ["./dom", "./moment"],
(dom, moment) ->

  ATTR = "data-timeinterval"

  DEFAULT_FORMAT = 'YYYY-MM-DDTHH:mm:ss.SSSZ'

  toMoment = (s) -> if s then (moment s, DEFAULT_FORMAT) else moment()

  updateElement = (el) ->
    start = toMoment el.attr "data-timeinterval-start"
    end = toMoment el.attr "data-timeinterval-end"
    plain = el.attr "data-timeinterval-plain"

    el.update end.from start, plain
    return

  updateDynamics = ->
    for el in dom.body.find "[#{ATTR}=dynamic]"
      updateElement el
    return
  • ¶

    Update any dynamic intervals (the ones without a specific start date) about once a second

      setInterval updateDynamics, 1000

  dom.scanner "[#{ATTR}=true]", (el) ->

    updateElement el

    if (el.attr "data-timeinterval-start") and (el.attr "data-timeinterval-end")
      el.attr ATTR, null
    else
      el.attr ATTR, "dynamic"

    return

  return # no exports