colorino.js

function getAjaxUrl() {
	return '/wp-admin/admin-ajax.php';
}

function isExternalLink(link) {
	var linkurl, baseurl, href;

	href = $(link).attr('href');

	if (href === '#') return false;

	baseurl = $('base').attr('url').split('//')[1].split('/')[0];
	linkurl = href.split('//')[1].split('/')[0];

	return baseurl !== linkurl;
}

function isPage(link) {
	var href = $(link).attr('href');
	return href.indexOf('?page_id=') !== -1;
}

function isPost(link) {
	var href = $(link).attr('href');
	return href.indexOf('?p=') !== -1;
}

function isHome(link) {
	return $(link).parent().hasClass('menu-item-home');
}

function isArrow(link) {
	return $(link).hasClass('arrow');
}

function getNumberOfArticles() {
	return parseInt($('.articles').children().length);
}

function getArticlesWidth() {
	return $('.post').width() * getNumberOfArticles();
}

function getPostId(dom) {
	return $(dom).length !== 0 ? parseInt($(dom).attr('id').split('-')[1]) : false;
}

function hasPreviousPosting(dom) {
	var postId, ajaxUrl;

	postId = getPostId(dom);

	if (postId === false) return false;

	ajaxUrl = getAjaxUrl();

	return $.ajax({
		url: ajaxUrl,
		type: 'GET',
		data: {"action": "hasprevious", "id": postId},
		success: function(data) {
			return parseInt(data) === 1 ? true : false;
		}
	});
}

function scrollLeft(callback) {
	$('.articles').animate({
		left: '+=280'
	}, 500);

	return callback();
}

function scrollRight(callback) {
	$('.articles').animate({
		left: '-=280'
	}, 500);

	return callback();
}

function getVisibleArticlesWidth() {
	return Math.floor($(window).width() / 280) * 280;
}

$(document).ready(function() {
	var bodyHeight;

	POS = 0;
	POSTCOUNT = $('#postcount').val();

	$('body.home .visible').width(getVisibleArticlesWidth());
	$('body.home .articles').width(getArticlesWidth());

	$.Placeholder.init({ color:'#d71d7e' });

	$(window).keydown(function (e) {
		switch (e.keyCode) {
			case 37:
				$('.previous').trigger('click');
				break;
			case 39:
				$('.next').trigger('click');
				break;
		}
	});

	$(window).resize(function() {
		$('.visible').width(getVisibleArticlesWidth());
	});

	$(document).bind('mousemove', function (e) {
		bodyHeight = $('body').height();
		$('.arrow').css('top', (e.pageY - 35) + 'px');
		if (e.pageY < 80 || e.pageY > bodyHeight - 50) {
			$('.arrow.next').css('display', 'none');
		} else {
			$('.arrow.next').css('display', 'block');
		}
		if (e.pageY < 250 || e.pageY > bodyHeight - 100) {
			$('.arrow.previous').css('display', 'none');
		} else {
			$('.arrow.previous').css('display', 'block');
		}
	});

	$('a').click(function (e) {
		var link;

		e.preventDefault();

		link = $(this);

		if (!isExternalLink(link)) {
			if (isPost(link)) {
				$.get($(link).attr('href'),function(data) {
					console.log(data);
				});
			}

			if (isPage(link) || isHome(link)) {
				window.location = $(link).attr('href');
			}

			if (isArrow(link)) {
				console.log(POS);
				console.log(POSTCOUNT);
				if (link.hasClass('next')) {
					if (POS < POSTCOUNT) {
						$('.arrow.previous').animate({
							opacity: 1
						}, 400);
						scrollRight(function() {
							POS += 1;
						});
					} else {
						$('.arrow.next').animate({
							opacity: 0
						}, 400);
					}
				}

				if (link.hasClass('previous')) {
					if (POS > 0) {
						$('.arrow.next').animate({
							opacity: 1
						}, 400);
						scrollLeft(function() {
							POS -= 1;
						});
					} else {
						$('.arrow.previous').animate({
							opacity: 0
						}, 400);
					}
				}
			}
		} else {
			window.location = $(link).attr('href');
		}
	});
});