340 lines
14 KiB
JavaScript
340 lines
14 KiB
JavaScript
/*
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* jQuery FlexSlider v1.4
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* http://flex.madebymufffin.com
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*
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* Copyright 2011, Tyler Smith
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* Free to use under the MIT license.
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* http://www.opensource.org/licenses/mit-license.php
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*
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* TouchWipe gesture credits: http://www.netcu.de/jquery-touchwipe-iphone-ipad-library
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*/
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(function ($) {
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$.fn.extend({
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flexslider: function(options) {
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//Plugin options and their default values
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var defaults = {
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animation: "fade", //Select your animation type (fade/slide/show)
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slideshow: true, //Should the slider animate automatically by default? (true/false)
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slideshowSpeed: 7000, //Set the speed of the slideshow cycling, in milliseconds
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animationDuration: 500, //Set the speed of animations, in milliseconds
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directionNav: true, //Create navigation for previous/next navigation? (true/false)
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controlNav: true, //Create navigation for paging control of each clide? (true/false)
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keyboardNav: true, //Allow for keyboard navigation using left/right keys (true/false)
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touchSwipe: true, //Touch swipe gestures for left/right slide navigation (true/false)
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prevText: "Previous", //Set the text for the "previous" directionNav item
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nextText: "Next", //Set the text for the "next" directionNav item
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randomize: false, //Randomize slide order on page load? (true/false)
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slideToStart: 0, //The slide that the slider should start on. Array notation (0 = first slide)
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pauseOnAction: true, //Pause the slideshow when interacting with control elements, highly recommended. (true/false)
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pauseOnHover: false, //Pause the slideshow when hovering over slider, then resume when no longer hovering (true/false)
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controlsContainer: "", //Advanced property: Can declare which container the navigation elements should be appended too. Default container is the flexSlider element. Example use would be ".flexslider-container", "#container", etc. If the given element is not found, the default action will be taken.
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manualControls: "" //Advanced property: Can declare custom control navigation. Example would be ".flex-control-nav" or "#tabs-nav", etc. The number of elements in your controlNav should match the number of slides/tabs (obviously).
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}
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//Get slider, slides, and other useful variables
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var options = $.extend(defaults, options),
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slider = this,
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container = $('.slides', slider),
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slides = $('.slides li', slider),
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length = slides.length;
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ANIMATING = false,
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currentSlide = options.slideToStart;
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///////////////////////////////////////////////////////////////////
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// FLEXSLIDER: RANDOMIZE SLIDES
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if (options.randomize && length > 1) {
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slides.sort(function() { return (Math.round(Math.random())-0.5); });
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container.empty().append(slides);
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}
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///////////////////////////////////////////////////////////////////
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//Slider animation initialize
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if (options.animation.toLowerCase() == "slide" && length > 1) {
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slider.css({"overflow": "hidden"});
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container.append(slides.filter(':first').clone().addClass('clone')).prepend(slides.filter(':last').clone().addClass('clone'));
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container.width(((length + 2) * slider.width()) + 2000); //extra width to account for quirks
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//Timeout function to give browser enough time to get proper width initially
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var newSlides = $('.slides li', slider);
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setTimeout(function() {
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newSlides.width(slider.width()).css({"float": "left"}).show();
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}, 100);
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container.css({"marginLeft": (-1 * (currentSlide + 1))* slider.width() + "px"});
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} else { //Default to fade
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slides.hide().eq(currentSlide).fadeIn(400);
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}
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///////////////////////////////////////////////////////////////////
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// FLEXSLIDER: ANIMATION TYPE
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function flexAnimate(target) {
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if (!ANIMATING) {
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ANIMATING = true;
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if (options.animation.toLowerCase() == "slide") {
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if (currentSlide == 0 && target == length - 1) {
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container.animate({"marginLeft": "0px"}, options.animationDuration, function(){
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container.css({"marginLeft": (-1 * length) * slides.filter(':first').width() + "px"});
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ANIMATING = false;
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currentSlide = target;
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});
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} else if (currentSlide == length - 1 && target == 0) {
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container.animate({"marginLeft": (-1 * (length + 1)) * slides.filter(':first').width() + "px"}, options.animationDuration, function(){
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container.css({"marginLeft": -1 * slides.filter(':first').width() + "px"});
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ANIMATING = false;
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currentSlide = target;
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});
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} else {
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container.animate({"marginLeft": (-1 * (target + 1)) * slides.filter(':first').width() + "px"}, options.animationDuration, function(){
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ANIMATING = false;
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currentSlide = target;
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});
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}
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} else if (options.animation.toLowerCase() == "show") {
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slides.eq(currentSlide).hide();
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slides.eq(target).show();
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ANIMATING = false;
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currentSlide = target;
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} else { //Default to Fade
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slider.css({"minHeight": slides.eq(currentSlide).height()});
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slides.eq(currentSlide).fadeOut(options.animationDuration, function() {
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slides.eq(target).fadeIn(options.animationDuration, function() {
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ANIMATING = false;
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currentSlide = target;
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});
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slider.css({"minHeight": "inherit"});
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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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// FLEXSLIDER: CONTROL NAV
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if (options.controlNav && length > 1) {
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if (options.manualControls != "" && $(options.manualControls).length > 0) {
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var controlNav = $(options.manualControls);
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} else {
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var controlNav = $('<ol class="flex-control-nav"></ol>');
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var j = 1;
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for (var i = 0; i < length; i++) {
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controlNav.append('<li><a>' + j + '</a></li>');
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j++;
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}
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//extra children check for jquery 1.3.2 - Drupal 6
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if (options.controlsContainer != "" && $(options.controlsContainer).length > 0) {
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$(options.controlsContainer).append(controlNav);
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} else {
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slider.append(controlNav);
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}
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controlNav = $('.flex-control-nav li a');
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}
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controlNav.eq(currentSlide).addClass('active');
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controlNav.click(function(event) {
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event.preventDefault();
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if ($(this).hasClass('active') || ANIMATING) {
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return;
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} else {
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controlNav.removeClass('active');
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$(this).addClass('active');
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var selected = controlNav.index($(this));
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flexAnimate(selected);
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if (options.pauseOnAction) {
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clearInterval(animatedSlides);
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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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//FLEXSLIDER: DIRECTION NAV
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if (options.directionNav && length > 1) {
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//Create and append the nav
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if (options.controlsContainer != "" && $(options.controlsContainer).length > 0) {
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$(options.controlsContainer).append($('<ul class="flex-direction-nav"><li><a class="prev" href="#">' + options.prevText + '</a></li><li><a class="next" href="#">' + options.nextText + '</a></li></ul>'));
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} else {
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slider.append($('<ul class="flex-direction-nav"><li><a class="prev" href="#">' + options.prevText + '</a></li><li><a class="next" href="#">' + options.nextText + '</a></li></ul>'));
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}
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$('.flex-direction-nav li a').click(function(event) {
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event.preventDefault();
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if (ANIMATING) {
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return;
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} else {
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if ($(this).hasClass('next')) {
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var target = (currentSlide == length - 1) ? 0 : currentSlide + 1;
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} else {
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var target = (currentSlide == 0) ? length - 1 : currentSlide - 1;
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}
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if (options.controlNav) {
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controlNav.removeClass('active');
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controlNav.eq(target).addClass('active');
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}
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flexAnimate(target);
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if (options.pauseOnAction) {
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clearInterval(animatedSlides);
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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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//FLEXSLIDER: KEYBOARD NAV
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if (options.keyboardNav && length > 1) {
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$(document).keyup(function(event) {
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if (ANIMATING) {
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return;
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} else if (event.keyCode != 39 && event.keyCode != 37){
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return;
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} else {
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if (event.keyCode == 39) {
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var target = (currentSlide == length - 1) ? 0 : currentSlide + 1;
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} else if (event.keyCode == 37){
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var target = (currentSlide == 0) ? length - 1 : currentSlide - 1;
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}
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if (options.controlNav) {
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controlNav.removeClass('active');
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controlNav.eq(target).addClass('active');
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}
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flexAnimate(target);
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if (options.pauseOnAction) {
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clearInterval(animatedSlides);
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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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//FLEXSLIDER: ANIMATION SLIDESHOW
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if (options.slideshow && length > 1) {
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var animatedSlides;
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function animateSlides() {
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if (ANIMATING) {
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return;
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} else {
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var target = (currentSlide == length - 1) ? 0 : currentSlide + 1;
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if (options.controlNav) {
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controlNav.removeClass('active');
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controlNav.eq(target).addClass('active');
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}
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flexAnimate(target);
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}
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}
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//pauseOnHover
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if (options.pauseOnHover) {
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slider.hover(function() {
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clearInterval(animatedSlides);
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}, function() {
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animatedSlides = setInterval(animateSlides, options.slideshowSpeed);
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});
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}
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//Initialize animation
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if (length > 1) {
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animatedSlides = setInterval(animateSlides, options.slideshowSpeed);
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}
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}
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//////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////
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//FLEXSLIDER: TOUCHSWIPE GESTURES
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//Credit of concept: TouchSwipe - http://www.netcu.de/jquery-touchwipe-iphone-ipad-library
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if (options.touchSwipe && 'ontouchstart' in document.documentElement && length > 1) {
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slider.each(function() {
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var startX,
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min_move_x = 20;
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isMoving = false;
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function cancelTouch() {
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this.removeEventListener('touchmove', onTouchMove);
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startX = null;
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isMoving = false;
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}
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function onTouchMove(e) {
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if (isMoving) {
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var x = e.touches[0].pageX,
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dx = startX - x;
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if(Math.abs(dx) >= min_move_x) {
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cancelTouch();
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if(dx > 0) {
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var target = (currentSlide == length - 1) ? 0 : currentSlide + 1;
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}
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else {
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var target = (currentSlide == 0) ? length - 1 : currentSlide - 1;
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}
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if (options.controlNav) {
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controlNav.removeClass('active');
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controlNav.eq(target).addClass('active');
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}
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flexAnimate(target);
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if (options.pauseOnAction) {
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clearInterval(animatedSlides);
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}
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}
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}
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}
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function onTouchStart(e) {
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if (e.touches.length == 1) {
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startX = e.touches[0].pageX;
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isMoving = true;
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this.addEventListener('touchmove', onTouchMove, false);
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}
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}
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if ('ontouchstart' in document.documentElement) {
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this.addEventListener('touchstart', onTouchStart, false);
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}
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});
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}
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//////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////
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//FLEXSLIDER: RESIZE FUNCTIONS (If necessary)
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if (options.animation.toLowerCase() == "slide" && length > 1) {
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var sliderTimer;
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$(window).resize(function(){
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newSlides.width(slider.width());
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//clones.width(slider.width());
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container.width(((length + 2) * slider.width()) + 2000); //extra width to account for quirks
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//slider resize reset
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clearTimeout(sliderTimer);
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sliderTimer = setTimeout(function(){
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flexAnimate(currentSlide);
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}, 300);
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});
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}
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//////////////////////////////////////////////////////////////////
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}
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});
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})(jQuery); |