From 7390a7a0721d9985c88efec1fd0e3a19d0368c82 Mon Sep 17 00:00:00 2001 From: Joey Hess Date: Fri, 17 Oct 2008 20:47:32 -0400 Subject: relativedate: New javascript-alicious plugin that makes all dates display relative, in a very nice way, if I say so myself. --- underlays/javascript/relativedate.js | 70 ++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 underlays/javascript/relativedate.js (limited to 'underlays/javascript') diff --git a/underlays/javascript/relativedate.js b/underlays/javascript/relativedate.js new file mode 100644 index 000000000..c5e62b3cc --- /dev/null +++ b/underlays/javascript/relativedate.js @@ -0,0 +1,70 @@ +// Causes html elements in the 'date' and 'pagedate' classes to be displayed +// as relative dates. The date is parsed from the title attribute, or from +// the element content. + +var dateElements; + +hook("onload", getDates); + +function getDates() { + dateElements = getElementsByClass('date'); + for (var i = 0; i < dateElements.length; i++) { + var elt = dateElements[i]; + var title = elt.attributes.title; + var d = new Date(title ? title.value : elt.innerHTML); + if (! isNaN(d)) { + dateElements[i].date=d; + elt.title=elt.innerHTML; + } + } + + showDates(); +} + +function showDates() { + for (var i = 0; i < dateElements.length; i++) { + var elt = dateElements[i]; + var d = elt.date; + if (! isNaN(d)) { + elt.innerHTML=relativeDate(d); + } + } + setTimeout(showDates,30000); // keep updating every 30s +} + +var timeUnits = new Array; +timeUnits['minute'] = 60; +timeUnits['hour'] = timeUnits['minute'] * 60; +timeUnits['day'] = timeUnits['hour'] * 24; +timeUnits['month'] = timeUnits['day'] * 30; +timeUnits['year'] = timeUnits['day'] * 364; +var timeUnitOrder = ['year', 'month', 'day', 'hour', 'minute']; + +function relativeDate(date) { + var now = new Date(); + var offset = date.getTime() - now.getTime(); + var seconds = Math.round(Math.abs(offset) / 1000); + + var ret = ""; + var shown = 0; + for (i = 0; i < timeUnitOrder.length; i++) { + var unit = timeUnitOrder[i]; + if (seconds >= timeUnits[unit]) { + var num = Math.floor(seconds / timeUnits[unit]); + seconds -= num * timeUnits[unit]; + if (ret) + ret += "and "; + ret += num + " " + unit + (num > 1 ? "s" : "") + " "; + + if (++shown == 2) + break; + } + else if (shown) + break; + } + + if (! ret) + ret = "less than a minute " + + return ret + (offset < 0 ? "ago" : "from now"); +} -- cgit v1.2.3