/**
* jquery.scrollable 1.0.2. Put your HTML scroll.
*
* Copyright (c) 2009 Tero Piirainen
* http://flowplayer.org/tools/scrollable.html
*
* Dual licensed under MIT and GPL 2+ licenses
* http://www.opensource.org/licenses
*
* Launch : March 2008
* Version : 1.0.2 - Tue Feb 24 2009 10:52:04 GMT-0000 (GMT+00:00)
*/
(function ($) {
function fireEvent(opts, name, self, arg) {
var fn = opts[name];
if ($.isFunction(fn)) {
try {
return fn.call(self, arg);
} catch(error) {
if (opts.alert) {
alert("Error calling scrollable." + name + ": " + error);
} else {
throw error;
}
return false;
}
}
return true;
}
var current = null;
function Scrollable(root, conf) {
var self = this;
if (!current) {
current = self;
}
var horizontal = !conf.vertical;
var wrap = $(conf.items, root);
var index = 0;
var navi = root.siblings(conf.navi).eq(0);
var prev = root.siblings(conf.prev).eq(0);
var next = root.siblings(conf.next).eq(0);
var prevPage = root.siblings(conf.prevPage).eq(0);
var nextPage = root.siblings(conf.nextPage).eq(0);
$.extend(self, {
getVersion: function () {
return [1, 0, 1];
},
getIndex: function () {
return index;
},
getConf: function () {
return conf;
},
getSize: function () {
return 5;
},
getPageAmount: function () {
return Math.ceil(this.getSize() / conf.size);
},
getPageIndex: function () {
return Math.ceil(index / conf.size);
},
getRoot: function () {
return root;
},
getItemWrap: function () {
return wrap;
},
getItems: function () {
return wrap.children();
},
seekTo: function (i, time, fn) {
time = time || conf.speed;
if ($.isFunction(time)) {
fn = time;
time = conf.speed;
}
if (i < 0) {
i = 0;
}
if (i > self.getSize() - conf.size) {
return self;
}
var item = self.getItems().eq(i);
if (!item.length) {
return self;
}
if (fireEvent(conf, "onBeforeSeek", self, i) === false) {
return self;
}
if (horizontal) {
var left = -(item.outerWidth(true) * i);
wrap.animate({
left: left
},
time, conf.easing, fn ?
function () {
fn.call(self);
} : null);
} else {
var top = -(item.outerHeight(true) * i);
wrap.animate({
top: top
},
time, conf.easing, fn ?
function () {
fn.call(self);
} : null);
}
if (navi.length) {
var klass = conf.activeClass;
var page = Math.ceil(i / conf.size);
page = Math.min(page, navi.children().length - 1);
navi.children().removeClass(klass).eq(page).addClass(klass);
}
if (i === 0) {
//prev.add(prevPage).addClass(conf.disabledClass);
} else {
// prev.add(prevPage).removeClass(conf.disabledClass);
}
if (i >= self.getSize() - conf.size) {
//next.add(nextPage).addClass(conf.disabledClass);
} else {
//next.add(nextPage).removeClass(conf.disabledClass);
}
current = self;
index = i;
fireEvent(conf, "onSeek", self, i);
return self;
},
move: function (offset, time, fn) {
var to = index + offset;
if (conf.loop && to > (self.getSize() - conf.size)) {
to = 0;
}
return this.seekTo(to, time, fn);
},
next: function (time, fn) {
return this.move(1, time, fn);
},
prev: function (time, fn) {
return this.move(-1, time, fn);
},
movePage: function (offset, time, fn) {
return this.move(conf.size * offset, time, fn);
},
setPage: function (page, time, fn) {
var size = conf.size;
var index = size * page;
var lastPage = index + size >= this.getSize();
if (lastPage) {
index = this.getSize() - conf.size;
}
return this.seekTo(index, time, fn);
},
prevPage: function (time, fn) {
return this.setPage(this.getPageIndex() - 1, time, fn);
},
nextPage: function (time, fn) {
return this.setPage(this.getPageIndex() + 1, time, fn);
},
begin: function (time, fn) {
return this.seekTo(0, time, fn);
},
end: function (time, fn) {
return this.seekTo(this.getSize() - conf.size, time, fn);
},
reload: function () {
return load();
},
click: function (index, time, fn) {
var item = self.getItems().eq(index);
var klass = conf.activeClass;
if (!item.hasClass(klass) && (index >= 0 || index < this.getSize())) {
self.getItems().removeClass(klass);
item.addClass(klass);
var delta = Math.floor(conf.size / 2);
var to = index - delta;
if (to > self.getSize() - conf.size) {
to--;
}
if (to !== index) {
return this.seekTo(to, time, fn);
}
}
return self;
}
});
if ($.isFunction($.fn.mousewheel)) {
root.bind("mousewheel.scrollable", function (e, delta) {
var step = $.browser.opera ? 1 : -1;
self.move(delta > 0 ? step : -step, 50);
return false;
});
}
prev.addClass(conf.activeClass).click(function () {
self.prev();
pageTracker._trackEvent('Stratfor', 'videorotate', 'left');
});
next.click(function () {
self.next();
pageTracker._trackEvent('Stratfor', 'videorotate', 'right');
});
nextPage.click(function () {
self.nextPage();
});
prevPage.addClass(conf.activeClass).click(function () {
self.prevPage();
});
if (conf.keyboard) {
$(window).unbind("keypress.scrollable").bind("keypress.scrollable", function (evt) {
var el = current;
if (!el) {
return;
}
if (horizontal && (evt.keyCode == 37 || evt.keyCode == 39)) {
el.move(evt.keyCode == 37 ? -1 : 1);
return evt.preventDefault();
}
if (!horizontal && (evt.keyCode == 38 || evt.keyCode == 40)) {
el.move(evt.keyCode == 38 ? -1 : 1);
return evt.preventDefault();
}
return true;
});
}
function load() {
navi.each(function () {
var nav = $(this);
if (nav.is(":empty") || nav.data("me") == self) {
nav.empty();
nav.data("me", self);
for (var i = 0; i < self.getPageAmount(); i++) {
var item = $("<" + conf.naviItem + "/>").attr("href", i).click(function (e) {
var el = $(this);
el.parent().children().removeClass(conf.activeClass);
el.addClass(conf.activeClass);
self.setPage(el.attr("href"));
return e.preventDefault();
var dotTracker = 'dot'+el.attr("href");
pageTracker._trackEvent('Stratfor', 'videorotate', dotTracker);
});
if (i === 0) {
item.addClass(conf.activeClass);
}
nav.append(item);
}
} else {
var els = nav.children();
els.each(function (i) {
var item = $(this);
item.attr("href", i);
if (i === 0) {
item.addClass(conf.activeClass);
}
item.click(function () {
nav.find("." + conf.activeClass).removeClass(conf.activeClass);
item.addClass(conf.activeClass);
self.setPage(item.attr("href"));
});
});
}
});
if (conf.clickable) {
self.getItems().each(function (index, arg) {
var el = $(this);
if (!el.data("set")) {
el.bind("click.scrollable", function () {
self.click(index);
});
el.data("set", true);
}
});
}
if (conf.hoverClass) {
self.getItems().hover(function () {
$(this).addClass(conf.hoverClass);
},
function () {
$(this).removeClass(conf.hoverClass);
});
}
return self;
}
load();
var timer = null;
function setTimer() {
timer = setInterval(function () {
self.next();
},
conf.interval);
}
if (conf.interval > 0) {
root.hover(function () {
clearInterval(timer);
},
function () {
setTimer();
});
next.hover(function () {
clearInterval(timer);
},
function () {
setTimer();
});
prev.hover(function () {
clearInterval(timer);
},
function () {
setTimer();
});
setTimer();
}
}
jQuery.prototype.scrollable = function (conf) {
var api = this.eq(typeof conf == 'number' ? conf : 0).data("scrollable");
if (api) {
return api;
}
var opts = {
size: 5,
vertical: false,
clickable: true,
loop: true,
interval: 0,
speed: 400,
keyboard: true,
activeClass: 'active',
disabledClass: 'active',
hoverClass: null,
easing: 'swing',
items: '.items',
prev: '.prev',
next: '.next',
prevPage: '.prevPage',
nextPage: '.nextPage',
navi: '.navi',
naviItem: 'a',
onBeforeSeek: null,
onSeek: null,
alert: true
};
$.extend(opts, conf);
this.each(function () {
var el = new Scrollable($(this), opts);
$(this).data("scrollable", el);
});
return this;
};
})(jQuery);