選択できるのは25トピックまでです。
トピックは、先頭が英数字で、英数字とダッシュ('-')を使用した35文字以内のものにしてください。
104 行
3.6 KiB
104 行
3.6 KiB
/**
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* downCount: Simple Countdown clock with offset
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* Author: Sonny T. <hi@sonnyt.com>, sonnyt.com
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*/
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(function ($) {
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$.fn.downCount = function (options, callback) {
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var settings = $.extend({
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date: null,
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offset: null
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}, options);
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// Throw error if date is not set
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if (!settings.date) {
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$.error('Date is not defined.');
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}
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// Throw error if date is set incorectly
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if (!Date.parse(settings.date)) {
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$.error('Incorrect date format, it should look like this, 12/24/2012 12:00:00.');
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}
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// Save container
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var container = this;
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/**
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* Change client's local date to match offset timezone
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* @return {Object} Fixed Date object.
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*/
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var currentDate = function () {
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// get client's current date
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var date = new Date();
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// turn date to utc
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var utc = date.getTime() + (date.getTimezoneOffset() * 60000);
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// set new Date object
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var new_date = new Date(utc + (3600000*settings.offset))
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return new_date;
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};
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/**
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* Main downCount function that calculates everything
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*/
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function countdown () {
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var target_date = new Date(settings.date), // set target date
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current_date = currentDate(); // get fixed current date
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// difference of dates
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var difference = target_date - current_date;
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// if difference is negative than it's pass the target date
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if (difference < 0) {
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// stop timer
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clearInterval(interval);
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if (callback && typeof callback === 'function') callback();
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return;
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}
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// basic math variables
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var _second = 1000,
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_minute = _second * 60,
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_hour = _minute * 60,
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_day = _hour * 24;
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// calculate dates
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var days = Math.floor(difference / _day),
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hours = Math.floor((difference % _day) / _hour),
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minutes = Math.floor((difference % _hour) / _minute),
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seconds = Math.floor((difference % _minute) / _second);
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// fix dates so that it will show two digets
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days = (String(days).length >= 2) ? days : '0' + days;
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hours = (String(hours).length >= 2) ? hours : '0' + hours;
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minutes = (String(minutes).length >= 2) ? minutes : '0' + minutes;
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seconds = (String(seconds).length >= 2) ? seconds : '0' + seconds;
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// based on the date change the refrence wording
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var ref_days = (days === 1) ? 'day' : 'days',
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ref_hours = (hours === 1) ? 'hour' : 'hours',
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ref_minutes = (minutes === 1) ? 'minute' : 'minutes',
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ref_seconds = (seconds === 1) ? 'second' : 'seconds';
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// set to DOM
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container.find('.days').text(days);
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container.find('.hours').text(hours);
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container.find('.minutes').text(minutes);
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container.find('.seconds').text(seconds);
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container.find('.days_ref').text(ref_days);
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container.find('.hours_ref').text(ref_hours);
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container.find('.minutes_ref').text(ref_minutes);
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container.find('.seconds_ref').text(ref_seconds);
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};
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// start
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var interval = setInterval(countdown, 1000);
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};
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})(jQuery);
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