/**
* 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($) { $.tools = $.tools || { version: {} }; $.tools.version.scrollable = '1.0.5'; var current = null; function Scrollable(root, conf) { var self = this; if (!current) { current = self; } function bind(name, fn) { $(self).bind(name, function(e, args) { if (fn && fn.call(this, args.index) === false && args) { args.proceed = false; } }); return self; } $.each(conf, function(name, fn) { if ($.isFunction(fn)) { bind(name, fn); } }); var horizontal = !conf.vertical; var wrap = $(conf.items, root); var index = 0; function find(query, ctx) { return query.indexOf("#") != -1 ? $(query).eq(0) : ctx.siblings(query).eq(0); } var navi = find(conf.navi, root); var prev = find(conf.prev, root); var next = find(conf.next, root); var prevPage = find(conf.prevPage, root); var nextPage = find(conf.nextPage, root); $.extend(self, { getIndex: function() { return index; }, getConf: function() { return conf; }, getSize: function() { return self.getItems().size(); }, getPageAmount: function() { return Math.ceil(this.getSize() / conf.size); }, getPageIndex: function() { return Math.ceil(index / conf.size); }, getRoot: function() { return root; }, getItemWrap: function() { return wrap; }, getItems: function() { return wrap.children(); }, getVisibleItems: function() { return self.getItems().slice(index, index + conf.size); }, seekTo: function(i, time, fn) { if (time === undefined) { time = conf.speed; } if ($.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; } var p = { index: i, proceed: true }; $(self).trigger("onBeforeSeek", p); if (!p.proceed) { return self; } if (horizontal) { var left = -item.position().left; wrap.animate({ left: left }, time, conf.easing, fn ? function() { fn.call(self); } : null); } else { var top = -item.position().top; 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.disabledPrevClass); } else { prev.add(prevPage).removeClass(conf.disabledPrevClass); } if (i >= self.getSize() - conf.size) { next.add(nextPage).addClass(conf.disabledNextClass); } else { next.add(nextPage).removeClass(conf.disabledNextClass); } current = self; index = i; $(self).trigger("onSeek", { index: i }); return self; }, move: function(offset, time, fn) { var to = index + offset; if (conf.loop && to > (self.getSize() - conf.size)) { to = 0; } return this.seekTo(to, time, fn); }, next: function(time, fn) { return this.move(1, time, fn); }, prev: function(time, fn) { return this.move(-1, time, fn); }, movePage: function(offset, time, fn) { return this.move(conf.size * offset, time, fn); }, setPage: function(page, time, fn) { var size = conf.size; var index = size * page; var lastPage = index + size >= this.getSize(); if (lastPage) { index = this.getSize() - conf.size; } return this.seekTo(index, time, fn); }, prevPage: function(time, fn) { return this.setPage(this.getPageIndex() - 1, time, fn); }, nextPage: function(time, fn) { return this.setPage(this.getPageIndex() + 1, time, fn); }, begin: function(time, fn) { return this.seekTo(0, time, fn); }, end: function(time, fn) { return this.seekTo(this.getSize() - conf.size, time, fn); }, reload: function() { return load(); }, click: function(index, time, fn) { var item = self.getItems().eq(index); var klass = conf.activeClass; if (index < 0 || index >= this.getSize()) { return self; } if (conf.size == 2) { if (index == self.getIndex()) { index--; } self.getItems().removeClass(klass); item.addClass(klass); return this.seekTo(index, time, fn); } if (!item.hasClass(klass)) { self.getItems().removeClass(klass); item.addClass(klass); var delta = Math.floor(conf.size / 2); var to = index - delta; if (to > self.getSize() - conf.size) { to = self.getSize() - conf.size; } if (to !== index) { return this.seekTo(to, time, fn); } } return self; }, onBeforeSeek: function(fn) { return bind("onBeforeSeek", fn); }, onSeek: function(fn) { return bind("onSeek", fn); } }); if ($.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.disabledPrevClass).click(function() { self.prev(); }); next.click(function() { self.next(); }); nextPage.click(function() { self.nextPage(); }); prevPage.addClass(conf.disabledNextClass).click(function() { self.prevPage(); }); if (conf.keyboard) { $(document).unbind("keydown.scrollable").bind("keydown.scrollable", function(evt) { var el = current; if (!el || evt.altKey || evt.ctrlKey) { 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() { if (navi.is(":empty") || navi.data("me") == self) { navi.empty(); navi.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(); }); if (i === 0) { item.addClass(conf.activeClass); } navi.append(item); } } else { var els = navi.children(); els.each(function(i) { var item = $(this); item.attr("href", i); if (i === 0) { item.addClass(conf.activeClass); } item.click(function() { navi.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() { if (timer) { return; } timer = setInterval(function() { if (conf.interval === 0) { clearInterval(timer); timer = 0; return; } self.next(); }, conf.interval); } if (conf.interval > 0) { root.hover(function() { clearInterval(timer); timer = 0; }, function() { setTimer(); }); setTimer(); } } $.fn.scrollable = function(conf) { var el = this.eq(typeof conf == 'number' ? conf : 0).data("scrollable"); if (el) { return el; } var opts = { size: 5, vertical: false, clickable: true, loop: false, interval: 0, speed: 400, keyboard: true, activeClass: 'active', disabledNextClass: 'next-disabled', disabledPrevClass: 'prev-disabled', hoverClass: null, easing: 'swing', items: '.items', prev: '.prev', next: '.next', prevPage: '.prevPage', nextPage: '.nextPage', navi: '.navi', naviItem: 'a', api: false, onBeforeSeek: null, onSeek: null }; $.extend(opts, conf); this.each(function() { el = new Scrollable($(this), opts); $(this).data("scrollable", el); }); return opts.api ? el : this; }; })(jQuery);