' +
showCompact(Y) + showCompact(O) + showCompact(W) + showCompact(D) +
twoDigits(periods[H]) + timeSeparator +
twoDigits(periods[M]) + (inst._show[S] ? timeSeparator + twoDigits(periods[S]) : '') :
// Full version
'
' +
showFull(Y) + showFull(O) + showFull(W) + showFull(D) +
showFull(H) + showFull(M) + showFull(S)) + '
' +
(description ? '
' + description + '
' : '')));
},
/* Construct a custom layout.
@param inst object - the current settings for this instance
@param layout string - the customised layout
@param labels string[] - the plural labels for each period
@param labelsSingle string[] - the singular labels for each period
@return string - the custom HTML */
_buildLayout: function(inst, layout, labels, labelsSingle) {
var html = layout;
var processPeriod = function(period, index) {
var pattern1 = new RegExp('%' + period + '.*%' + period);
var pattern2 = new RegExp('%' + period + '.*');
while (true) {
var matches = pattern1.exec(html);
if (!matches) {
break;
}
matches[0] = matches[0].substr(0, 2) +
matches[0].substr(2).replace(pattern2, '%' + period);
html = html.replace(matches[0], inst._show[index] ?
customisePeriod(matches[0], period, index) : '');
}
};
var customisePeriod = function(text, period, index) {
return text.substr(2, text.length - 4).
replace(/%nn/g, (inst._periods[index] < 10 ? '0' : '') +
inst._periods[index]).
replace(/%n/g, inst._periods[index]).
replace(/%l/g, inst._periods[index] == 1 ?
labelsSingle[index] : labels[index]);
};
processPeriod('Y', Y);
processPeriod('O', O);
processPeriod('W', W);
processPeriod('D', D);
processPeriod('H', H);
processPeriod('M', M);
processPeriod('S', S);
return html;
},
/* Translate the format into flags for each period.
@param inst object - the current settings for this instance
@return string[7] - flags indicating which periods are requested (?) or
required (!) by year, month, week, day, hour, minute, second */
_determineShow: function(inst) {
var format = this._get(inst, 'format');
var show = [];
show[Y] = (format.match('y') ? '?' : (format.match('Y') ? '!' : null));
show[O] = (format.match('o') ? '?' : (format.match('O') ? '!' : null));
show[W] = (format.match('w') ? '?' : (format.match('W') ? '!' : null));
show[D] = (format.match('d') ? '?' : (format.match('D') ? '!' : null));
show[H] = (format.match('h') ? '?' : (format.match('H') ? '!' : null));
show[M] = (format.match('m') ? '?' : (format.match('M') ? '!' : null));
show[S] = (format.match('s') ? '?' : (format.match('S') ? '!' : null));
return show;
},
/* Calculate the requested periods between now and the target time.
@param inst object - the current settings for this instance
@param show string[7] - flags indicating which periods are requested/required
@param now Date - the current date and time
@return number[7] - the current time periods (always positive)
by year, month, week, day, hour, minute, second */
_calculatePeriods: function(inst, show, now) {
// Find endpoints
inst._now = now;
inst._now.setMilliseconds(0);
var until = new Date(inst._now.getTime());
if (inst._since && now.getTime() < inst._since.getTime()) {
inst._now = now = until;
}
else if (inst._since) {
now = inst._since;
}
else {
until.setTime(inst._until.getTime());
if (now.getTime() > inst._until.getTime()) {
inst._now = now = until;
}
}
until.setTime(until.getTime() - inst._offset); // Adjust for time zone
// Calculate differences by period
var periods = [0, 0, 0, 0, 0, 0, 0];
if (show[Y] || show[O]) {
var months = Math.max(0, (until.getFullYear() - now.getFullYear()) * 12 +
until.getMonth() - now.getMonth() + (until.getDate() < now.getDate() ? -1 : 0));
periods[Y] = (show[Y] ? Math.floor(months / 12) : 0);
periods[O] = (show[O] ? months - periods[Y] * 12 : 0);
if (inst._since) {
until.setFullYear(until.getFullYear() - periods[Y]);
until.setMonth(until.getMonth() - periods[O]);
}
else {
now = new Date(now.getTime());
now.setFullYear(now.getFullYear() + periods[Y]);
now.setMonth(now.getMonth() + periods[O]);
}
}
var diff = Math.floor((until.getTime() - now.getTime()) / 1000);
var extractPeriod = function(period, numSecs) {
periods[period] = (show[period] ? Math.floor(diff / numSecs) : 0);
diff -= periods[period] * numSecs;
};
extractPeriod(W, 604800);
extractPeriod(D, 86400);
extractPeriod(H, 3600);
extractPeriod(M, 60);
extractPeriod(S, 1);
return periods;
}
});
/* jQuery extend now ignores nulls! */
function extendRemove(target, props) {
$.extend(target, props);
for (var name in props) {
if (props[name] == null) {
target[name] = null;
}
}
return target;
}
/* Attach the countdown functionality to a jQuery selection.
@param command string - the command to run (optional, default 'attach')
@param options object - the new settings to use for these countdown instances
@return jQuery object - for chaining further calls */
$.fn.countdown = function(options) {
var otherArgs = Array.prototype.slice.call(arguments, 1);
if (options == 'getTimes') {
return $.countdown['_' + options + 'Countdown'].
apply($.countdown, [this[0]].concat(otherArgs));
}
return this.each(function() {
if (typeof options == 'string') {
$.countdown['_' + options + 'Countdown'].apply($.countdown, [this].concat(otherArgs));
}
else {
$.countdown._attachCountdown(this, options);
}
});
};
/* Initialise the countdown functionality. */
$.countdown = new Countdown(); // singleton instance
})(jQuery);