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asset/tuts/digital-clock/assets/js/script.js

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+$(function(){
+
+	// Cache some selectors
+
+	var clock = $('#clock'),
+		alarm = clock.find('.alarm'),
+		ampm = clock.find('.ampm');
+
+	// Map digits to their names (this will be an array)
+	var digit_to_name = 'zero one two three four five six seven eight nine'.split(' ');
+
+	// This object will hold the digit elements
+	var digits = {};
+
+	// Positions for the hours, minutes, and seconds
+	var positions = [
+		'h1', 'h2', ':', 'm1', 'm2', ':', 's1', 's2'
+	];
+
+	// Generate the digits with the needed markup,
+	// and add them to the clock
+
+	var digit_holder = clock.find('.digits');
+
+	$.each(positions, function(){
+
+		if(this == ':'){
+			digit_holder.append('<div class="dots">');
+		}
+		else{
+
+			var pos = $('<div>');
+
+			for(var i=1; i<8; i++){
+				pos.append('<span class="d' + i + '">');
+			}
+
+			// Set the digits as key:value pairs in the digits object
+			digits[this] = pos;
+
+			// Add the digit elements to the page
+			digit_holder.append(pos);
+		}
+
+	});
+
+	// Add the weekday names
+
+	var weekday_names = 'MON TUE WED THU FRI SAT SUN'.split(' '),
+		weekday_holder = clock.find('.weekdays');
+
+	$.each(weekday_names, function(){
+		weekday_holder.append('<span>' + this + '</span>');
+	});
+
+	var weekdays = clock.find('.weekdays span');
+
+
+	// Run a timer every second and update the clock
+
+	(function update_time(){
+
+		// Use moment.js to output the current time as a string
+		// hh is for the hours in 12-hour format,
+		// mm - minutes, ss-seconds (all with leading zeroes),
+		// d is for day of week and A is for AM/PM
+
+		var now = moment().format("hhmmssdA");
+
+		digits.h1.attr('class', digit_to_name[now[0]]);
+		digits.h2.attr('class', digit_to_name[now[1]]);
+		digits.m1.attr('class', digit_to_name[now[2]]);
+		digits.m2.attr('class', digit_to_name[now[3]]);
+		digits.s1.attr('class', digit_to_name[now[4]]);
+		digits.s2.attr('class', digit_to_name[now[5]]);
+
+		// The library returns Sunday as the first day of the week.
+		// Stupid, I know. Lets shift all the days one position down, 
+		// and make Sunday last
+
+		var dow = now[6];
+		dow--;
+		
+		// Sunday!
+		if(dow < 0){
+			// Make it last
+			dow = 6;
+		}
+
+		// Mark the active day of the week
+		weekdays.removeClass('active').eq(dow).addClass('active');
+
+		// Set the am/pm text:
+		ampm.text(now[7]+now[8]);
+
+		// Schedule this function to be run again in 1 sec
+		setTimeout(update_time, 1000);
+
+	})();
+
+	// Switch the theme
+
+	$('a.button').click(function(){
+		clock.toggleClass('light dark');
+	});
+
+});