MediaWiki:Countdown.js

// __NOWYSIWYG__ /** * dmkCountdown * * @version 1.1 * * @author Effan R  * * Based on * Countdown * by * Pecoes  * Asaba  * * documentation and examples at: *  */

/*jshint jquery:true, browser:true, devel:true, camelcase:true, curly:false, undef:true, bitwise:true, eqeqeq:true, forin:true, immed:true, latedef:true, newcap:true, noarg:true, unused:true, regexp:true, strict:true, trailing:false */ /*global mediaWiki:true*/


 * (function (module, mw, $, undefined) {

'use strict';

var countdowns = [];

var NO_LEADING_ZEROS = 1, SHORT_FORMAT = 2, NO_ZEROS = 4, FIRST_TWO = 8, NO_SECONDS = 16;

function output (i, diff) { /*jshint bitwise:false*/ var delta, result, parts = []; if ((countdowns[i].opts & NO_SECONDS) === 0) { delta = diff % 60; result = ' ' + (delta === 1 ? 'second' : 'seconds'); if (countdowns[i].opts & SHORT_FORMAT) result = result.charAt(1); parts.unshift(delta + result); }		diff = Math.floor(diff / 60); delta = diff % 60; result = ' ' + (delta === 1 ? 'minute' : 'minutes'); if (countdowns[i].opts & SHORT_FORMAT) result = result.charAt(1); parts.unshift(delta + result); diff = Math.floor(diff / 60); delta = diff % 24; result = ' ' + (delta === 1 ? 'hour'  : 'hours'  ); if (countdowns[i].opts & SHORT_FORMAT) result = result.charAt(1); parts.unshift(delta + result); diff = Math.floor(diff / 24); result = ' ' + (diff === 1 ? 'day'    : 'days'   ); if (countdowns[i].opts & SHORT_FORMAT) result = result.charAt(1); parts.unshift(diff + result);

if (countdowns[i].opts & NO_LEADING_ZEROS) { while (parts.length > 1 && parts[0][0] === '0') { parts.shift; }		}		if (countdowns[i].opts & NO_ZEROS) { parts = parts.filter(function(part) {				return part[0] !== '0';			}); }		if (countdowns[i].opts & FIRST_TWO) { while (parts.length > 2) { parts.pop; }		}		result = parts.pop; if (parts.length) { if (countdowns[i].opts & SHORT_FORMAT) { result = parts.join(' ') + ' ' + result; } else { result = parts.join(', ') + ' and ' + result; }		}		countdowns[i].node.text(result); }

function end(i) { var c = countdowns[i].node.closest(".dmkcountdown"); switch (c.attr('data-end')) { case 'remove': c.remove; return true; case 'countup': countdowns[i].countup = true; output(i, 0); return false; case 'toggle': var toggle = c.attr('data-toggle'); if (toggle && toggle === 'next') { c.next.css('display', 'inline'); c.css('display', 'none'); return true; }			if (toggle && $(toggle).length) { $(toggle).css('display', 'inline'); c.css('display', 'none'); return true; }			break; case 'callback': var callback = c.attr('data-callback'); if (callback && $.isFunction(module[callback])) { output(i, 0); module[callback].call(c); return true; }			break; }		/* Stop at end (default) */ output(i, 0); return true; }

function update { var now = Date.now; var countdownsToRemove = []; $.each(countdowns.slice(0), function (i, countdown) {			var diff = Math.floor((countdown.date - now) / 1000);			if (diff <= 0 && !countdown.countup) {				if (end(i)) countdownsToRemove.push(i);			} else {				output(i, Math.abs(diff));			}		}); var x;		while((x = countdownsToRemove.pop) !== undefined) { countdowns.splice(x, 1); }		if (countdowns.length) { window.setTimeout(function {				update;			}, 1000); }	}

function getOptions (node) { /*jshint bitwise:false*/ var text = node.closest(".dmkcountdown").attr('data-options'), opts = SHORT_FORMAT | NO_LEADING_ZEROS | FIRST_TWO;

if (text) { if (/no-dmk/.test(text)) { opts = 0; }			if (/no-leading-zeros/.test(text)) { opts |= NO_LEADING_ZEROS; }			if (/short-format/.test(text)) { opts |= SHORT_FORMAT; }			if (/long-format/.test(text)) { opts &= ~SHORT_FORMAT; }			if (/no-zeros/.test(text)) { opts |= NO_ZEROS; }			if (/first-two/.test(text)) { opts |= FIRST_TWO; }			if (/full-mode/.test(text)) { opts &= ~FIRST_TWO; }			if (/no-seconds/.test(text)) { opts |= NO_SECONDS; }		}		return opts; }

function init { var countdown = $('.dmkcountdown:not(.handled)'); if (!countdown.length) return; $('.nodmkcountdown').css('display', 'none'); countdown .css('display', 'inline') .find('.countdowndate') .each(function {			var $this = $(this),				date = (new Date($this.text)).valueOf;			if (isNaN(date)) {				$this.text('BAD DATE');				return;			}			countdowns.push({ node: $this, opts: getOptions($this), date: date, });		});		countdown.addClass('handled'); if (countdowns.length) { update; }	}

mw.hook('wikipage.content').add(init);

}(window.dmkCountdownTimer = window.dmkCountdownTimer || {}, mediaWiki, jQuery));