| # 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 |
