/* Slidertron 0.1: A flexible slider plugin for jQuery By nodethirtythree design | http://nodethirtythree.com/ Tested on IE6, IE7, IE8, Firefox 3.6, Opera 10.51, Safari 4.0.5, and Chrome 5.0.342.9. Dual licensed under the MIT or GPL license. ////////////////////////////////////////////////////////////////////////// MIT license: Copyright (c) 2010 nodethirtythree design, http://nodethirtythree.com/ Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ////////////////////////////////////////////////////////////////////////// GPL license: Copyright (c) 2010 nodethirtythree design, http://nodethirtythree.com/ This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . ////////////////////////////////////////////////////////////////////////// */ (function($) { jQuery.fn.slidertron = function(options) { var settings = jQuery.extend({ selectorParent: jQuery(this) }, options); return jQuery.slidertron(settings); } jQuery.slidertron = function(options) { // Settings var settings = jQuery.extend({ selectorParent: null, // If a jQuery object, all selectors will be restricted to its scope. Otherwise, all selectors will be global. // Selectors viewerSelector: null, // Viewer selector slidesSelector: null, // Slides selector navNextSelector: null, // 'Next' selector navPreviousSelector: null, // 'Previous' selector navFirstSelector: null, // 'First' selector navLastSelector: null, // 'Last' selector navStopAdvanceSelector: null, // 'Stop Advance' selector navPlayAdvanceSelector: null, // 'Play Advance' selector // General settings speed: 'fast', // Transition speed (0 for instant, 'slow', 'fast', or a custom duration in ms) navWrap: true, // Wrap navigation when we navigate past the first or last slide seamlessWrap: true, // Seamlessly wrap slides advanceDelay: 0, // Time to wait (in ms) before automatically advancing to the next slide (0 disables advancement entirely) advanceResume: 0, // Time to wait (in ms) before resuming advancement after a user interrupts it by manually navigating (0 disables resuming advancement) advanceNavActiveClass: 'active' // Active advancement navigation class }, options); // Variables // Operational stuff var isConfigured = true, isLocked = false, isAdvancing = false, isSeamless = false, list = new Array(), currentIndex = false, timeoutID; // jQuery objects var __slides, __viewer, __navFirst, __navLast, __navNext, __navPrevious, __navStopAdvance, __navPlayAdvance; // Functions function getElement(selector, required) { var x; try { if (selector == null) throw 'is undefined'; if (settings.selectorParent) x = settings.selectorParent.find(selector); else x = jQuery(selector); if (x.length == 0) throw 'does not exist'; return x; } catch (error) { if (required == true) { alert('Error: Required selector "' + selector + '" ' + error + '.'); isConfigured = false; } } return null; } function advance() { if (settings.advanceDelay == 0) return; if (!isLocked) nextSlide(); timeoutID = window.setTimeout(advance, settings.advanceDelay); } function initializeAdvance() { if (settings.advanceDelay == 0) return; if (__navPlayAdvance) __navPlayAdvance.addClass(settings.advanceNavActiveClass); if (__navStopAdvance) __navStopAdvance.removeClass(settings.advanceNavActiveClass); isAdvancing = true; timeoutID = window.setTimeout(advance, settings.advanceDelay); } function interruptAdvance() { if (!isAdvancing) return; if (settings.advanceDelay == 0) return; window.clearTimeout(timeoutID); if (settings.advanceResume == 0) return; timeoutID = window.setTimeout(advance, settings.advanceResume); } function stopAdvance() { if (settings.advanceDelay == 0) return; if (!isAdvancing) return; isAdvancing = false; window.clearTimeout(timeoutID); } function playAdvance(skip) { if (settings.advanceDelay == 0) return; if (isAdvancing) return; isAdvancing = true; if (skip) timeoutID = window.setTimeout(advance, settings.advanceDelay); else advance(); } function firstSlide() { switchSlide((isSeamless ? 1 : 0)); } function lastSlide() { switchSlide((isSeamless ? list.length - 2 : list.length - 1)); } function nextSlide() { if (currentIndex < list.length - 1) switchSlide(currentIndex + 1); else if (settings.navWrap || isAdvancing) switchSlide(0); } function previousSlide() { if (currentIndex > 0) switchSlide(currentIndex - 1); else if (settings.navWrap) switchSlide(list.length - 1); } function switchSlide(index) { // Check locking status (so another switch can't be initiated while another is in progress) if (isLocked) return false; isLocked = true; if (currentIndex === false) { currentIndex = index; __reel.css('left', -1 * list[currentIndex].x); isLocked = false; } else { var diff, currentX, newX; currentX = list[currentIndex].x; newX = list[index].x; diff = currentX - newX; __reel.animate({ left: '+=' + diff }, settings.speed, 'swing', function() { currentIndex = index; if (list[currentIndex].realIndex !== false) { currentIndex = list[currentIndex].realIndex; __reel.css('left', -1 * list[currentIndex].x); } isLocked = false; }); } } function initialize() { // Slides, viewer, reel __viewer = getElement(settings.viewerSelector, true); __reel = getElement(settings.reelSelector, true); __slides = getElement(settings.slidesSelector, true); // Navigation __navFirst = getElement(settings.navFirstSelector); __navLast = getElement(settings.navLastSelector); __navNext = getElement(settings.navNextSelector); __navPrevious = getElement(settings.navPreviousSelector); __navStopAdvance = getElement(settings.navStopAdvanceSelector); __navPlayAdvance = getElement(settings.navPlayAdvanceSelector); // Check configuration status if (isConfigured == false) { alert('Error: One or more configuration errors detected. Aborting.'); return; } // Set up // Viewer __viewer.css('position', 'relative'); __viewer.css('overflow', 'hidden'); // Reel __reel.css('position', 'absolute'); __reel.css('left', 0); __reel.css('top', 0); // Slides var cx = 0, length = __slides.length; if (length > 2 && settings.seamlessWrap) { isSeamless = true; var first = __slides.first(); var last = __slides.last(); last.clone().insertBefore(first); first.clone().insertAfter(last); __slides = getElement(settings.slidesSelector, true); } __slides.each(function(index) { var y = jQuery(this); list[index] = { object: y, x: cx, realIndex: false }; y.css('position', 'absolute'); y.css('left', cx); y.css('top', 0); cx += y.width(); }); if (isSeamless) { list[0].realIndex = length; // second to last list[length + 1].realIndex = 1; // second } // Navigation if (__navFirst) __navFirst.click(function(event) { event.preventDefault(); if (isLocked) return false; if (isAdvancing) interruptAdvance(); firstSlide(); }); if (__navLast) __navLast.click(function(event) { event.preventDefault(); if (isLocked) return false; if (isAdvancing) interruptAdvance(); lastSlide(); }); if (__navNext) __navNext.click(function(event) { event.preventDefault(); if (isLocked) return false; if (isAdvancing) interruptAdvance(); nextSlide(); }); if (__navPrevious) __navPrevious.click(function(event) { event.preventDefault(); if (isLocked) return false; if (isAdvancing) interruptAdvance(); previousSlide(); }); if (__navStopAdvance) __navStopAdvance.click(function(event) { event.preventDefault(); if (isLocked) return false; if (!isAdvancing) return false; __navStopAdvance.addClass(settings.advanceNavActiveClass); if (__navPlayAdvance) __navPlayAdvance.removeClass(settings.advanceNavActiveClass); stopAdvance(); }); if (__navPlayAdvance) __navPlayAdvance.click(function(event) { event.preventDefault(); if (isLocked) return false; if (isAdvancing) return false; __navPlayAdvance.addClass(settings.advanceNavActiveClass); if (__navStopAdvance) __navStopAdvance.removeClass(settings.advanceNavActiveClass); playAdvance(); }); } // Ready jQuery().ready(function() { initialize(); initializeAdvance(); firstSlide(); }); }; })(jQuery);