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kshitij.so |
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/*
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* File: jquery.flexisel.js
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* Version: 1.0.2
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* Description: Responsive carousel jQuery plugin
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* Author: 9bit Studios
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* Copyright 2012, 9bit Studios
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* http://www.9bitstudios.com
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* Free to use and abuse under the MIT license.
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* http://www.opensource.org/licenses/mit-license.php
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*/
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(function ($) {
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$.fn.flexisel = function(options) {
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var defaults = $.extend({
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visibleItems : 4,
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animationSpeed : 200,
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autoPlay : false,
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autoPlaySpeed : 3000,
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pauseOnHover : true,
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setMaxWidthAndHeight : false,
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enableResponsiveBreakpoints : true,
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clone : true,
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responsiveBreakpoints : {
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portrait: {
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changePoint:480,
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visibleItems: 1
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},
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landscape: {
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changePoint:640,
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visibleItems: 2
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},
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tablet: {
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changePoint:768,
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visibleItems: 3
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}
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}
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}, options);
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/******************************
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Private Variables
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*******************************/
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var object = $(this);
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var settings = $.extend(defaults, options);
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var itemsWidth; // Declare the global width of each item in carousel
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var canNavigate = true;
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var itemsVisible = settings.visibleItems; // Get visible items
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var totalItems = object.children().length; // Get number of elements
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var responsivePoints = [];
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/******************************
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Public Methods
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*******************************/
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var methods = {
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init : function() {
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return this.each(function() {
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methods.appendHTML();
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methods.setEventHandlers();
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methods.initializeItems();
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});
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},
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/******************************
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Initialize Items
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Fully initialize everything. Plugin is loaded and ready after finishing execution
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*******************************/
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initializeItems : function() {
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var listParent = object.parent();
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var innerHeight = listParent.height();
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var childSet = object.children();
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methods.sortResponsiveObject(settings.responsiveBreakpoints);
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var innerWidth = listParent.width(); // Set widths
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itemsWidth = (innerWidth) / itemsVisible;
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childSet.width(itemsWidth);
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if (settings.clone) {
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childSet.last().insertBefore(childSet.first());
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childSet.last().insertBefore(childSet.first());
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object.css({
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'left' : -itemsWidth
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});
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}
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object.fadeIn();
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$(window).trigger("resize"); // needed to position arrows correctly
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},
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/******************************
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Append HTML
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Add additional markup needed by plugin to the DOM
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*******************************/
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appendHTML : function() {
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object.addClass("nbs-flexisel-ul");
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object.wrap("<div class='nbs-flexisel-container'><div class='nbs-flexisel-inner'></div></div>");
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object.find("li").addClass("nbs-flexisel-item");
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var flexiselInner = object.parent(); // flexisel-inner
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if (settings.setMaxWidthAndHeight) {
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var baseWidth = $(".nbs-flexisel-item img").width();
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var baseHeight = $(".nbs-flexisel-item img").height();
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$(".nbs-flexisel-item img").css("max-width", baseWidth);
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$(".nbs-flexisel-item img").css("max-height", baseHeight);
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}
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$("<div class='nbs-flexisel-nav-left'></div><div class='nbs-flexisel-nav-right'></div>").insertAfter(flexiselInner);
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if (settings.clone) {
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var cloneContent = object.children().clone();
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object.append(cloneContent);
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}
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},
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/******************************
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Set Event Handlers
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Set events: click, resize, etc
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*******************************/
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setEventHandlers : function() {
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var listParent = object.parent();
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var flexiselInner = listParent.parent();
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var childSet = object.children();
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var leftArrow = flexiselInner.find(".nbs-flexisel-nav-left");
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var rightArrow = flexiselInner.find(".nbs-flexisel-nav-right");
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$(window).on("resize", function(event) {
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methods.setResponsiveEvents();
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var innerWidth = $(listParent).width();
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var innerHeight = $(listParent).height();
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itemsWidth = (innerWidth) / itemsVisible;
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childSet.width(itemsWidth);
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if (settings.clone) {
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object.css({
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'left' : -itemsWidth
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});
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}else {
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object.css({
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'left' : 0
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});
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}
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// Hide the arrows if the elements are the same of the visible
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if (!settings.clone && totalItems <= itemsVisible) {
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leftArrow.add(rightArrow).css('visibility', 'hidden');
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}
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else {
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leftArrow.add(rightArrow).css('visibility', 'visible');
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var halfArrowHeight = (leftArrow.height()) / 2;
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var arrowMargin = (innerHeight / 2) - halfArrowHeight;
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leftArrow.css("top", arrowMargin + "px");
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rightArrow.css("top", arrowMargin + "px");
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}
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});
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$(leftArrow).on("click", function(event) {
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methods.scrollLeft();
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});
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$(rightArrow).on("click", function(event) {
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methods.scrollRight();
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});
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if (settings.pauseOnHover == true) {
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$(".nbs-flexisel-item").on({
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mouseenter : function() {
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canNavigate = false;
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},
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mouseleave : function() {
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canNavigate = true;
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}
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});
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}
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if (settings.autoPlay == true) {
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setInterval(function() {
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if (canNavigate == true)
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methods.scrollRight();
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}, settings.autoPlaySpeed);
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}
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},
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/******************************
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Set Responsive Events
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Set breakpoints depending on responsiveBreakpoints
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*******************************/
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setResponsiveEvents: function() {
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var contentWidth = $('html').width();
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if(settings.enableResponsiveBreakpoints) {
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var largestCustom = responsivePoints[responsivePoints.length-1].changePoint; // sorted array
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for(var i in responsivePoints) {
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if(contentWidth >= largestCustom) { // set to default if width greater than largest custom responsiveBreakpoint
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itemsVisible = settings.visibleItems;
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break;
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}
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else { // determine custom responsiveBreakpoint to use
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if(contentWidth < responsivePoints[i].changePoint) {
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itemsVisible = responsivePoints[i].visibleItems;
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break;
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}
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else
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continue;
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}
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}
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}
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},
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/******************************
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Sort Responsive Object
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Gets all the settings in resposiveBreakpoints and sorts them into an array
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*******************************/
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sortResponsiveObject: function(obj) {
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var responsiveObjects = [];
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for(var i in obj) {
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responsiveObjects.push(obj[i]);
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}
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responsiveObjects.sort(function(a, b) {
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return a.changePoint - b.changePoint;
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});
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responsivePoints = responsiveObjects;
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},
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/******************************
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Scroll Left
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*******************************/
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scrollLeft : function() {
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if (object.position().left < 0) {
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if (canNavigate == true) {
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canNavigate = false;
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var listParent = object.parent();
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var innerWidth = listParent.width();
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itemsWidth = (innerWidth) / itemsVisible;
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var childSet = object.children();
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object.animate({
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'left' : "+=" + itemsWidth
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}, {
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queue : false,
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duration : settings.animationSpeed,
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easing : "linear",
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complete : function() {
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if (settings.clone) {
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childSet.last().insertBefore(
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childSet.first()); // Get the first list item and put it after the last list item (that's how the infinite effects is made)
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}
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methods.adjustScroll();
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canNavigate = true;
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}
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});
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}
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}
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},
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/******************************
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Scroll Right
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*******************************/
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scrollRight : function() {
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var listParent = object.parent();
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var innerWidth = listParent.width();
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itemsWidth = (innerWidth) / itemsVisible;
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var difObject = (itemsWidth - innerWidth);
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var objPosition = (object.position().left + ((totalItems-itemsVisible)*itemsWidth)-innerWidth);
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if((difObject <= Math.ceil(objPosition)) && (!settings.clone)){
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if (canNavigate == true) {
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canNavigate = false;
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object.animate({
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'left' : "-=" + itemsWidth
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}, {
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queue : false,
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duration : settings.animationSpeed,
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easing : "linear",
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complete : function() {
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methods.adjustScroll();
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canNavigate = true;
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}
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});
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}
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} else if(settings.clone){
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if (canNavigate == true) {
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canNavigate = false;
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var childSet = object.children();
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object.animate({
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'left' : "-=" + itemsWidth
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}, {
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queue : false,
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duration : settings.animationSpeed,
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easing : "linear",
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complete : function() {
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childSet.first().insertAfter(childSet.last()); // Get the first list item and put it after the last list item (that's how the infinite effects is made)
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methods.adjustScroll();
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canNavigate = true;
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}
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});
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}
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};
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},
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/******************************
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Adjust Scroll
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*******************************/
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adjustScroll : function() {
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var listParent = object.parent();
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var childSet = object.children();
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var innerWidth = listParent.width();
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itemsWidth = (innerWidth) / itemsVisible;
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childSet.width(itemsWidth);
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if (settings.clone) {
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object.css({
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'left' : -itemsWidth
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});
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}
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}
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};
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if (methods[options]) { // $("#element").pluginName('methodName', 'arg1', 'arg2');
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return methods[options].apply(this, Array.prototype.slice.call(arguments, 1));
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} else if (typeof options === 'object' || !options) { // $("#element").pluginName({ option: 1, option:2 });
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return methods.init.apply(this);
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} else {
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$.error('Method "' + method + '" does not exist in flexisel plugin!');
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}
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};
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})(jQuery);
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