bxSlider——一个精悍的拥有一大波焦点图轮播滑动特效的Js程序
2024-04-12 10:01:40
打开这个地址>>强大的支持手机端响应式的jQuery焦点图轮播特效插件bxslider.js(右键查看源代码)
bxSlider官网：http://bxslider.com/
************************************************************************************************
只要根据项目实际需求自行调整和搭配参数即可实现各种效果，下面贴上基础示例程序：
Html:
1 <!doctype html> 2 <html> 3 <head> 4 <metacharset="utf-8"> 5 <scripttype="text/javascript"src="js/jquery-1.9.1.min.js"></script> 6 <scripttype="text/javascript"src="js/jquery.bxslider.js"></script> 7 <title>强大的支持手机端响应式的jQuery焦点图轮播特效插件bxslider.js</title> 8 <linkhref="css/jquery.bxslider.css"rel="stylesheet"type="text/css"> 9 <style> 10 p{width:100%;height:40px;font-size:20px;color:#333;line-height:40px;text-align:center;font-family:"微软雅黑"} 11 </style> 12 </head> 13 14 <body> 15 <!-----------------------------------slider1-----------------------------------------------> 16 <p>slider1(maxSlides)</p> 17 <divclass="slider1"> 18 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar1"></div> 19 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar2"></div> 20 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar3"></div> 21 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar4"></div> 22 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar5"></div> 23 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar6"></div> 24 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar7"></div> 25 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar8"></div> 26 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar9"></div> 27 </div> 28 <scripttype="text/javascript"> 29 $(document).ready(function(){30 $('.slider1').bxSlider({31 slideWidth:200,32 minSlides:2,33 maxSlides:3,34 slideMargin:10 35 });36 });37 </script> 38 39 <!-----------------------------------slider2-----------------------------------------------> 40 <p>slider2(slideWidth auto)</p> 41 <divclass="slider2"> 42 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar1"></div> 43 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar2"></div> 44 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar3"></div> 45 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar4"></div> 46 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar5"></div> 47 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar6"></div> 48 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar7"></div> 49 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar8"></div> 50 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar9"></div> 51 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar10"></div> 52 </div> 53 <scripttype="text/javascript"> 54 $(document).ready(function(){55 $('.slider2').bxSlider({56 slideWidth:300,57 auto:true,58 autoControls:true,59 minSlides:2,60 maxSlides:2,61 slideMargin:10 62 });63 });64 </script> 65 66 <!-----------------------------------slider3-----------------------------------------------> 67 <p>slider3(moveSlides)</p> 68 <divclass="slider3"> 69 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar1"></div> 70 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar2"></div> 71 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar3"></div> 72 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar4"></div> 73 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar5"></div> 74 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar6"></div> 75 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar7"></div> 76 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar8"></div> 77 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar9"></div> 78 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar10"></div> 79 </div> 80 <scripttype="text/javascript"> 81 $(document).ready(function(){82 $('.slider3').bxSlider({83 slideWidth:200,84 minSlides:2,85 maxSlides:3,86 moveSlides:1,87 slideMargin:10 88 });89 });90 </script> 91 92 93 94 <!-----------------------------------slider4-----------------------------------------------> 95 <p>slider4(startSlide)</p> 96 <divclass="slider4"> 97 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar1"></div> 98 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar2"></div> 99 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar3"></div> 100 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar4"></div> 101 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar5"></div> 102 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar6"></div> 103 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar7"></div> 104 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar8"></div> 105 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar9"></div> 106 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar10"></div> 107 </div> 108 <scripttype="text/javascript"> 109 $(document).ready(function(){110 $('.slider4').bxSlider({111 slideWidth:200,112 minSlides:2,113 maxSlides:3,114 moveSlides:1,115 startSlide:1,116 slideMargin:10 117 });118 });119 </script> 120 121 122 123 <!-----------------------------------slider5-----------------------------------------------> 124 <p>slider5(Vertical)</p> 125 <divclass="slider5"> 126 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar1"></div> 127 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar2"></div> 128 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar3"></div> 129 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar4"></div> 130 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar5"></div> 131 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar6"></div> 132 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar7"></div> 133 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar8"></div> 134 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar9"></div> 135 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar10"></div> 136 </div> 137 <scripttype="text/javascript"> 138 $(document).ready(function(){139 $('.slider5').bxSlider({140 mode:'vertical',141 slideWidth:200,142 minSlides:2,143 slideMargin:10 144 });145 });146 </script> 147 148 149 150 <!-----------------------------------slider6-----------------------------------------------> 151 <p>slider6(Image)</p> 152 <divclass="slider6"> 153 <divclass="slide"><imgsrc="http://placehold.it/600x200&text=FooBar1"></div> 154 <divclass="slide"><imgsrc="http://placehold.it/600x200&text=FooBar2"></div> 155 <divclass="slide"><imgsrc="http://placehold.it/600x200&text=FooBar3"></div> 156 <divclass="slide"><imgsrc="http://placehold.it/600x200&text=FooBar4"></div> 157 </div> 158 <scripttype="text/javascript"> 159 $(document).ready(function(){160 $('.slider6').bxSlider({161 mode:'fade',162 slideWidth:600,163 slideMargin:10 164 });165 });166 </script> 167 168 169 170 <!-----------------------------------slider7-----------------------------------------------> 171 <p>slider7(infiniteLoop hideControlOnEnd)</p> 172 <divclass="slider7"> 173 <divclass="slide"><imgsrc="http://placehold.it/600x200&text=FooBar1"></div> 174 <divclass="slide"><imgsrc="http://placehold.it/600x200&text=FooBar2"></div> 175 <divclass="slide"><imgsrc="http://placehold.it/600x200&text=FooBar3"></div> 176 <divclass="slide"><imgsrc="http://placehold.it/600x200&text=FooBar4"></div> 177 </div> 178 <scripttype="text/javascript"> 179 $(document).ready(function(){180 $('.slider7').bxSlider({181 slideWidth:600,182 infiniteLoop:false,183 hideControlOnEnd:true,184 slideMargin:10 185 });186 });187 </script> 188 189 190 191 <!-----------------------------------slider8-----------------------------------------------> 192 <p>slider8(adaptiveHeight)</p> 193 <divclass="slider8"> 194 <divclass="slide"><imgsrc="http://placehold.it/600x200&text=FooBar1"></div> 195 <divclass="slide"><imgsrc="http://placehold.it/600x300&text=FooBar2"></div> 196 <divclass="slide"><imgsrc="http://placehold.it/600x150&text=FooBar3"></div> 197 <divclass="slide"><imgsrc="http://placehold.it/600x250&text=FooBar4"></div> 198 </div> 199 <scripttype="text/javascript"> 200 $(document).ready(function(){201 $('.slider8').bxSlider({202 slideWidth:600,203 adaptiveHeight:true,204 startSlides:0,205 slideMargin:10 206 });207 });208 </script> 209 210 211 212 <!-----------------------------------slider9-----------------------------------------------> 213 <p>slider9(ticker)</p> 214 <divclass="slider9"> 215 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar1"></div> 216 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar2"></div> 217 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar3"></div> 218 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar4"></div> 219 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar5"></div> 220 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar6"></div> 221 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar7"></div> 222 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar8"></div> 223 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar9"></div> 224 <divclass="slide"><imgsrc="http://placehold.it/350x150&text=FooBar10"></div> 225 </div> 226 <scripttype="text/javascript"> 227 $(document).ready(function(){228 $('.slider9').bxSlider({229 slideWidth:200,230 minSlides:3,231 maxSlides:3,232 ticker:true,233 speed:12000,234 startSlides:0,235 slideMargin:10 236 });237 });238 </script> 239 </body> 240 </html>
Css:
1 /**2 * BxSlider v4.1.2 - Fully loaded, responsive content slider3 * http://bxslider.com4 *5 * Written by: Steven Wanderski, 20146 * http://stevenwanderski.com7 * (while drinking Belgian ales and listening to jazz)8 *9 * CEO and founder of bxCreative, LTD10 * http://bxcreative.com11 */ 12 13 14 /** RESET AND LAYOUT15 ===================================*/ 16 17 .bx-wrapper{ 18 position:relative; 19 margin:0 auto 60px; 20 padding:0; 21 *zoom:1; 22 } 23 24 .bx-wrapper img{ 25 max-width:100%; 26 display:block; 27 } 28 29 /** THEME30 ===================================*/ 31 32 .bx-wrapper .bx-viewport{ 33 -moz-box-shadow:0 0 5px #ccc; 34 -webkit-box-shadow:0 0 5px #ccc; 35 box-shadow:0 0 5px #ccc; 36 border:5px solid #fff; 37 left:-5px; 38 background:#fff; 39 40 /*fix other elements on the page moving (on Chrome)*/ 41 -webkit-transform:translatez(0); 42 -moz-transform:translatez(0); 43 -ms-transform:translatez(0); 44 -o-transform:translatez(0); 45 transform:translatez(0); 46 } 47 48 .bx-wrapper .bx-pager,49 .bx-wrapper .bx-controls-auto{ 50 position:absolute; 51 bottom:-30px; 52 width:100%; 53 } 54 55 /*LOADER*/ 56 57 .bx-wrapper .bx-loading{ 58 min-height:50px; 59 background:url(../images/bx_loader.gif) center center no-repeat #fff; 60 height:100%; 61 width:100%; 62 position:absolute; 63 top:0; 64 left:0; 65 z-index:2000; 66 } 67 68 /*PAGER*/ 69 70 .bx-wrapper .bx-pager{ 71 text-align:center; 72 font-size:.85em; 73 font-family:Arial; 74 font-weight:bold; 75 color:#666; 76 padding-top:20px; 77 } 78 79 .bx-wrapper .bx-pager .bx-pager-item,80 .bx-wrapper .bx-controls-auto .bx-controls-auto-item{ 81 display:inline-block; 82 *zoom:1; 83 *display:inline; 84 } 85 86 .bx-wrapper .bx-pager.bx-default-pager a{ 87 background:#666; 88 text-indent:-9999px; 89 display:block; 90 width:10px; 91 height:10px; 92 margin:0 5px; 93 outline:0; 94 -moz-border-radius:5px; 95 -webkit-border-radius:5px; 96 border-radius:5px; 97 } 98 99 .bx-wrapper .bx-pager.bx-default-pager a:hover,100 .bx-wrapper .bx-pager.bx-default-pager a.active{ 101 background:#000; 102 } 103 104 /*DIRECTION CONTROLS (NEXT / PREV)*/ 105 106 .bx-wrapper .bx-prev{ 107 left:10px; 108 background:url(../images/controls.png) no-repeat 0 -32px; 109 } 110 111 .bx-wrapper .bx-next{ 112 right:10px; 113 background:url(../images/controls.png) no-repeat -43px -32px; 114 } 115 116 .bx-wrapper .bx-prev:hover{ 117 background-position:0 0; 118 } 119 120 .bx-wrapper .bx-next:hover{ 121 background-position:-43px 0; 122 } 123 124 .bx-wrapper .bx-controls-direction a{ 125 position:absolute; 126 top:50%; 127 margin-top:-16px; 128 outline:0; 129 width:32px; 130 height:32px; 131 text-indent:-9999px; 132 z-index:9999; 133 } 134 135 .bx-wrapper .bx-controls-direction a.disabled{ 136 display:none; 137 } 138 139 /*AUTO CONTROLS (START / STOP)*/ 140 141 .bx-wrapper .bx-controls-auto{ 142 text-align:center; 143 } 144 145 .bx-wrapper .bx-controls-auto .bx-start{ 146 display:block; 147 text-indent:-9999px; 148 width:10px; 149 height:11px; 150 outline:0; 151 background:url(../images/controls.png) -86px -11px no-repeat; 152 margin:0 3px; 153 } 154 155 .bx-wrapper .bx-controls-auto .bx-start:hover,156 .bx-wrapper .bx-controls-auto .bx-start.active{ 157 background-position:-86px 0; 158 } 159 160 .bx-wrapper .bx-controls-auto .bx-stop{ 161 display:block; 162 text-indent:-9999px; 163 width:9px; 164 height:11px; 165 outline:0; 166 background:url(../images/controls.png) -86px -44px no-repeat; 167 margin:0 3px; 168 } 169 170 .bx-wrapper .bx-controls-auto .bx-stop:hover,171 .bx-wrapper .bx-controls-auto .bx-stop.active{ 172 background-position:-86px -33px; 173 } 174 175 /*PAGER WITH AUTO-CONTROLS HYBRID LAYOUT*/ 176 177 .bx-wrapper .bx-controls.bx-has-controls-auto.bx-has-pager .bx-pager{ 178 text-align:left; 179 width:80%; 180 } 181 182 .bx-wrapper .bx-controls.bx-has-controls-auto.bx-has-pager .bx-controls-auto{ 183 right:0; 184 width:35px; 185 } 186 187 /*IMAGE CAPTIONS*/ 188 189 .bx-wrapper .bx-caption{ 190 position:absolute; 191 bottom:0; 192 left:0; 193 background:#666\9; 194 background:rgba(80, 80, 80, 0.75); 195 width:100%; 196 } 197 198 .bx-wrapper .bx-caption span{ 199 color:#fff; 200 font-family:Arial; 201 display:block; 202 font-size:.85em; 203 padding:10px; 204 }
Js:
1 /**2 * BxSlider v4.1.2 - Fully loaded, responsive content slider3 * http://bxslider.com4 *5 * Copyright 2014, Steven Wanderski - http://stevenwanderski.com - http://bxcreative.com6 * Written while drinking Belgian ales and listening to jazz7 *8 * Released under the MIT license - http://opensource.org/licenses/MIT9 */ 10 11 ;(function($){12 13 var plugin ={};14 15 var defaults ={16 17 //GENERAL 18 mode: 'horizontal',19 slideSelector: '',20 infiniteLoop: true,21 hideControlOnEnd: false,22 speed: 500,23 easing: null,24 slideMargin: 0,25 startSlide: 0,26 randomStart: false,27 captions: false,28 ticker: false,29 tickerHover: false,30 adaptiveHeight: false,31 adaptiveHeightSpeed: 500,32 video: false,33 useCSS: true,34 preloadImages: 'visible',35 responsive: true,36 slideZIndex: 50,37 wrapperClass: 'bx-wrapper',38 39 //TOUCH 40 touchEnabled: true,41 swipeThreshold: 50,42 oneToOneTouch: true,43 preventDefaultSwipeX: true,44 preventDefaultSwipeY: false,45 46 //PAGER 47 pager: true,48 pagerType: 'full',49 pagerShortSeparator: ' / ',50 pagerSelector: null,51 buildPager: null,52 pagerCustom: null,53 54 //CONTROLS 55 controls: true,56 nextText: 'Next',57 prevText: 'Prev',58 nextSelector: null,59 prevSelector: null,60 autoControls: false,61 startText: 'Start',62 stopText: 'Stop',63 autoControlsCombine: false,64 autoControlsSelector: null,65 66 //AUTO 67 auto: false,68 pause: 4000,69 autoStart: true,70 autoDirection: 'next',71 autoHover: false,72 autoDelay: 0,73 autoSlideForOnePage: false,74 75 //CAROUSEL 76 minSlides: 1,77 maxSlides: 1,78 moveSlides: 0,79 slideWidth: 0,80 81 //CALLBACKS 82 onSliderLoad: function() {},83 onSlideBefore: function() {},84 onSlideAfter: function() {},85 onSlideNext: function() {},86 onSlidePrev: function() {},87 onSliderResize: function() {}88 }89 90 $.fn.bxSlider = function(options){91 92 if(this.length == 0) return this;93 94 //support mutltiple elements 95 if(this.length > 1){96 this.each(function(){$(this).bxSlider(options)});97 return this;98 }99 100 //create a namespace to be used throughout the plugin 101 var slider ={};102 //set a reference to our slider element 103 var el = this;104 plugin.el = this;105 106 /**107 * Makes slideshow responsive108 */ 109 //first get the original window dimens (thanks alot IE) 110 var windowWidth =$(window).width();111 var windowHeight =$(window).height();112 113 114 115 /**116 * ===================================================================================117 * = PRIVATE FUNCTIONS118 * ===================================================================================119 */ 120 121 /**122 * Initializes namespace settings to be used throughout plugin123 */ 124 var init = function(){125 //merge user-supplied options with the defaults 126 slider.settings =$.extend({}, defaults, options);127 //parse slideWidth setting 128 slider.settings.slideWidth =parseInt(slider.settings.slideWidth);129 //store the original children 130 slider.children =el.children(slider.settings.slideSelector);131 //check if actual number of slides is less than minSlides / maxSlides 132 if(slider.children.length < slider.settings.minSlides) slider.settings.minSlides =slider.children.length;133 if(slider.children.length < slider.settings.maxSlides) slider.settings.maxSlides =slider.children.length;134 //if random start, set the startSlide setting to random number 135 if(slider.settings.randomStart) slider.settings.startSlide = Math.floor(Math.random() *slider.children.length);136 //store active slide information 137 slider.active ={ index: slider.settings.startSlide }138 //store if the slider is in carousel mode (displaying / moving multiple slides) 139 slider.carousel = slider.settings.minSlides > 1 || slider.settings.maxSlides > 1;140 //if carousel, force preloadImages = 'all' 141 if(slider.carousel) slider.settings.preloadImages = 'all';142 //calculate the min / max width thresholds based on min / max number of slides 143 //used to setup and update carousel slides dimensions 144 slider.minThreshold = (slider.settings.minSlides * slider.settings.slideWidth) + ((slider.settings.minSlides - 1) *slider.settings.slideMargin);145 slider.maxThreshold = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) *slider.settings.slideMargin);146 //store the current state of the slider (if currently animating, working is true) 147 slider.working = false;148 //initialize the controls object 149 slider.controls ={};150 //initialize an auto interval 151 slider.interval = null;152 //determine which property to use for transitions 153 slider.animProp = slider.settings.mode == 'vertical' ? 'top' : 'left';154 //determine if hardware acceleration can be used 155 slider.usingCSS = slider.settings.useCSS && slider.settings.mode != 'fade' && (function(){156 //create our test div element 157 var div = document.createElement('div');158 //css transition properties 159 var props = ['WebkitPerspective', 'MozPerspective', 'OPerspective', 'msPerspective'];160 //test for each property 161 for(var i inprops){162 if(div.style[props[i]] !==undefined){163 slider.cssPrefix = props[i].replace('Perspective', '').toLowerCase();164 slider.animProp = '-' + slider.cssPrefix + '-transform';165 return true;166 }167 }168 return false;169 }());170 //if vertical mode always make maxSlides and minSlides equal 171 if(slider.settings.mode == 'vertical') slider.settings.maxSlides =slider.settings.minSlides;172 //save original style data 173 el.data("origStyle", el.attr("style"));174 el.children(slider.settings.slideSelector).each(function() {175 $(this).data("origStyle", $(this).attr("style"));176 });177 //perform all DOM / CSS modifications 178 setup();179 }180 181 /**182 * Performs all DOM and CSS modifications183 */ 184 var setup = function(){185 //wrap el in a wrapper 186 el.wrap('<div class="' + slider.settings.wrapperClass + '"><div class="bx-viewport"></div></div>');187 //store a namspace reference to .bx-viewport 188 slider.viewport =el.parent();189 //add a loading div to display while images are loading 190 slider.loader = $('<div class="bx-loading" />');191 slider.viewport.prepend(slider.loader);192 //set el to a massive width, to hold any needed slides 193 //also strip any margin and padding from el 194 el.css({195 width: slider.settings.mode == 'horizontal' ? (slider.children.length * 100 + 215) + '%' : 'auto',196 position: 'relative' 197 });198 //if using CSS, add the easing property 199 if(slider.usingCSS &&slider.settings.easing){200 el.css('-' + slider.cssPrefix + '-transition-timing-function', slider.settings.easing);201 //if not using CSS and no easing value was supplied, use the default JS animation easing (swing) 202 }else if(!slider.settings.easing){203 slider.settings.easing = 'swing';204 }205 var slidesShowing =getNumberSlidesShowing();206 //make modifications to the viewport (.bx-viewport) 207 slider.viewport.css({208 width: '100%',209 overflow: 'hidden',210 position: 'relative' 211 });212 slider.viewport.parent().css({213 maxWidth: getViewportMaxWidth()214 });215 //make modification to the wrapper (.bx-wrapper) 216 if(!slider.settings.pager) {217 slider.viewport.parent().css({218 margin: '0 auto 0px' 219 });220 }221 //apply css to all slider children 222 slider.children.css({223 'float': slider.settings.mode == 'horizontal' ? 'left' : 'none',224 listStyle: 'none',225 position: 'relative' 226 });227 //apply the calculated width after the float is applied to prevent scrollbar interference 228 slider.children.css('width', getSlideWidth());229 //if slideMargin is supplied, add the css 230 if(slider.settings.mode == 'horizontal' && slider.settings.slideMargin > 0) slider.children.css('marginRight', slider.settings.slideMargin);231 if(slider.settings.mode == 'vertical' && slider.settings.slideMargin > 0) slider.children.css('marginBottom', slider.settings.slideMargin);232 //if "fade" mode, add positioning and z-index CSS 233 if(slider.settings.mode == 'fade'){234 slider.children.css({235 position: 'absolute',236 zIndex: 0,237 display: 'none' 238 });239 //prepare the z-index on the showing element 240 slider.children.eq(slider.settings.startSlide).css({zIndex: slider.settings.slideZIndex, display: 'block'});241 }242 //create an element to contain all slider controls (pager, start / stop, etc) 243 slider.controls.el = $('<div class="bx-controls" />');244 //if captions are requested, add them 245 if(slider.settings.captions) appendCaptions();246 //check if startSlide is last slide 247 slider.active.last = slider.settings.startSlide == getPagerQty() - 1;248 //if video is true, set up the fitVids plugin 249 if(slider.settings.video) el.fitVids();250 //set the default preload selector (visible) 251 var preloadSelector =slider.children.eq(slider.settings.startSlide);252 if (slider.settings.preloadImages == "all") preloadSelector =slider.children;253 //only check for control addition if not in "ticker" mode 254 if(!slider.settings.ticker){255 //if pager is requested, add it 256 if(slider.settings.pager) appendPager();257 //if controls are requested, add them 258 if(slider.settings.controls) appendControls();259 //if auto is true, and auto controls are requested, add them 260 if(slider.settings.auto &&slider.settings.autoControls) appendControlsAuto();261 //if any control option is requested, add the controls wrapper 262 if(slider.settings.controls || slider.settings.autoControls ||slider.settings.pager) slider.viewport.after(slider.controls.el);263 //if ticker mode, do not allow a pager 264 }else{265 slider.settings.pager = false;266 }267 //preload all images, then perform final DOM / CSS modifications that depend on images being loaded 268 loadElements(preloadSelector, start);269 }270 271 var loadElements = function(selector, callback){272 var total = selector.find('img, iframe').length;273 if (total == 0){274 callback();275 return;276 }277 var count = 0;278 selector.find('img, iframe').each(function(){279 $(this).one('load', function() {280 if(++count ==total) callback();281 }).each(function() {282 if(this.complete) $(this).load();283 });284 });285 }286 287 /**288 * Start the slider289 */ 290 var start = function(){291 //if infinite loop, prepare additional slides 292 if(slider.settings.infiniteLoop && slider.settings.mode != 'fade' && !slider.settings.ticker){293 var slice = slider.settings.mode == 'vertical' ?slider.settings.minSlides : slider.settings.maxSlides;294 var sliceAppend = slider.children.slice(0, slice).clone().addClass('bx-clone');295 var slicePrepend = slider.children.slice(-slice).clone().addClass('bx-clone');296 el.append(sliceAppend).prepend(slicePrepend);297 }298 //remove the loading DOM element 299 slider.loader.remove();300 //set the left / top position of "el" 301 setSlidePosition();302 //if "vertical" mode, always use adaptiveHeight to prevent odd behavior 303 if (slider.settings.mode == 'vertical') slider.settings.adaptiveHeight = true;304 //set the viewport height 305 slider.viewport.height(getViewportHeight());306 //make sure everything is positioned just right (same as a window resize) 307 el.redrawSlider();308 //onSliderLoad callback 309 slider.settings.onSliderLoad(slider.active.index);310 //slider has been fully initialized 311 slider.initialized = true;312 //bind the resize call to the window 313 if (slider.settings.responsive) $(window).bind('resize', resizeWindow);314 //if auto is true and has more than 1 page, start the show 315 if (slider.settings.auto && slider.settings.autoStart && (getPagerQty() > 1 ||slider.settings.autoSlideForOnePage)) initAuto();316 //if ticker is true, start the ticker 317 if(slider.settings.ticker) initTicker();318 //if pager is requested, make the appropriate pager link active 319 if(slider.settings.pager) updatePagerActive(slider.settings.startSlide);320 //check for any updates to the controls (like hideControlOnEnd updates) 321 if(slider.settings.controls) updateDirectionControls();322 //if touchEnabled is true, setup the touch events 323 if (slider.settings.touchEnabled && !slider.settings.ticker) initTouch();324 }325 326 /**327 * Returns the calculated height of the viewport, used to determine either adaptiveHeight or the maxHeight value328 */ 329 var getViewportHeight = function(){330 var height = 0;331 //first determine which children (slides) should be used in our height calculation 332 var children =$();333 //if mode is not "vertical" and adaptiveHeight is false, include all children 334 if(slider.settings.mode != 'vertical' && !slider.settings.adaptiveHeight){335 children =slider.children;336 }else{337 //if not carousel, return the single active child 338 if(!slider.carousel){339 children =slider.children.eq(slider.active.index);340 //if carousel, return a slice of children 341 }else{342 //get the individual slide index 343 var currentIndex = slider.settings.moveSlides == 1 ? slider.active.index : slider.active.index *getMoveBy();344 //add the current slide to the children 345 children =slider.children.eq(currentIndex);346 //cycle through the remaining "showing" slides 347 for (i = 1; i <= slider.settings.maxSlides - 1; i++){348 //if looped back to the start 349 if(currentIndex + i >=slider.children.length){350 children = children.add(slider.children.eq(i - 1));351 }else{352 children = children.add(slider.children.eq(currentIndex +i));353 }354 }355 }356 }357 //if "vertical" mode, calculate the sum of the heights of the children 358 if(slider.settings.mode == 'vertical'){359 children.each(function(index) {360 height += $(this).outerHeight();361 });362 //add user-supplied margins 363 if(slider.settings.slideMargin > 0){364 height += slider.settings.slideMargin * (slider.settings.minSlides - 1);365 }366 //if not "vertical" mode, calculate the max height of the children 367 }else{368 height = Math.max.apply(Math, children.map(function(){369 return $(this).outerHeight(false);370 }).get());371 }372 373 if(slider.viewport.css('box-sizing') == 'border-box'){374 height += parseFloat(slider.viewport.css('padding-top')) + parseFloat(slider.viewport.css('padding-bottom')) + 375 parseFloat(slider.viewport.css('border-top-width')) + parseFloat(slider.viewport.css('border-bottom-width'));376 }else if(slider.viewport.css('box-sizing') == 'padding-box'){377 height += parseFloat(slider.viewport.css('padding-top')) + parseFloat(slider.viewport.css('padding-bottom'));378 }379 380 returnheight;381 }382 383 /**384 * Returns the calculated width to be used for the outer wrapper / viewport385 */ 386 var getViewportMaxWidth = function(){387 var width = '100%';388 if(slider.settings.slideWidth > 0){389 if(slider.settings.mode == 'horizontal'){390 width = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) *slider.settings.slideMargin);391 }else{392 width =slider.settings.slideWidth;393 }394 }395 returnwidth;396 }397 398 /**399 * Returns the calculated width to be applied to each slide400 */ 401 var getSlideWidth = function(){402 //start with any user-supplied slide width 403 var newElWidth =slider.settings.slideWidth;404 //get the current viewport width 405 var wrapWidth =slider.viewport.width();406 //if slide width was not supplied, or is larger than the viewport use the viewport width 407 if(slider.settings.slideWidth == 0 || 408 (slider.settings.slideWidth > wrapWidth && !slider.carousel) || 409 slider.settings.mode == 'vertical'){410 newElWidth =wrapWidth;411 //if carousel, use the thresholds to determine the width 412 }else if(slider.settings.maxSlides > 1 && slider.settings.mode == 'horizontal'){413 if(wrapWidth >slider.maxThreshold){414 //newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.maxSlides - 1))) / slider.settings.maxSlides; 415 }else if(wrapWidth <slider.minThreshold){416 newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.minSlides - 1))) /slider.settings.minSlides;417 }418 }419 returnnewElWidth;420 }421 422 /**423 * Returns the number of slides currently visible in the viewport (includes partially visible slides)424 */ 425 var getNumberSlidesShowing = function(){426 var slidesShowing = 1;427 if(slider.settings.mode == 'horizontal' && slider.settings.slideWidth > 0){428 //if viewport is smaller than minThreshold, return minSlides 429 if(slider.viewport.width() <slider.minThreshold){430 slidesShowing =slider.settings.minSlides;431 //if viewport is larger than minThreshold, return maxSlides 432 }else if(slider.viewport.width() >slider.maxThreshold){433 slidesShowing =slider.settings.maxSlides;434 //if viewport is between min / max thresholds, divide viewport width by first child width 435 }else{436 var childWidth = slider.children.first().width() +slider.settings.slideMargin;437 slidesShowing = Math.floor((slider.viewport.width() + 438 slider.settings.slideMargin) /childWidth);439 }440 //if "vertical" mode, slides showing will always be minSlides 441 }else if(slider.settings.mode == 'vertical'){442 slidesShowing =slider.settings.minSlides;443 }444 returnslidesShowing;445 }446 447 /**448 * Returns the number of pages (one full viewport of slides is one "page")449 */ 450 var getPagerQty = function(){451 var pagerQty = 0;452 //if moveSlides is specified by the user 453 if(slider.settings.moveSlides > 0){454 if(slider.settings.infiniteLoop){455 pagerQty = Math.ceil(slider.children.length /getMoveBy());456 }else{457 //use a while loop to determine pages 458 var breakPoint = 0;459 var counter = 0 460 //when breakpoint goes above children length, counter is the number of pages 461 while (breakPoint <slider.children.length){462 ++pagerQty;463 breakPoint = counter +getNumberSlidesShowing();464 counter += slider.settings.moveSlides <= getNumberSlidesShowing() ?slider.settings.moveSlides : getNumberSlidesShowing();465 }466 }467 //if moveSlides is 0 (auto) divide children length by sides showing, then round up 468 }else{469 pagerQty = Math.ceil(slider.children.length /getNumberSlidesShowing());470 }471 returnpagerQty;472 }473 474 /**475 * Returns the number of indivual slides by which to shift the slider476 */ 477 var getMoveBy = function(){478 //if moveSlides was set by the user and moveSlides is less than number of slides showing 479 if(slider.settings.moveSlides > 0 && slider.settings.moveSlides <=getNumberSlidesShowing()){480 returnslider.settings.moveSlides;481 }482 //if moveSlides is 0 (auto) 483 returngetNumberSlidesShowing();484 }485 486 /**487 * Sets the slider's (el) left or top position488 */ 489 var setSlidePosition = function(){490 //if last slide, not infinite loop, and number of children is larger than specified maxSlides 491 if(slider.children.length > slider.settings.maxSlides && slider.active.last && !slider.settings.infiniteLoop){492 if (slider.settings.mode == 'horizontal'){493 //get the last child's position 494 var lastChild =slider.children.last();495 var position =lastChild.position();496 //set the left position 497 setPositionProperty(-(position.left - (slider.viewport.width() - lastChild.outerWidth())), 'reset', 0);498 }else if(slider.settings.mode == 'vertical'){499 //get the last showing index's position 500 var lastShowingIndex = slider.children.length -slider.settings.minSlides;501 var position =slider.children.eq(lastShowingIndex).position();502 //set the top position 503 setPositionProperty(-position.top, 'reset', 0);504 }505 //if not last slide 506 }else{507 //get the position of the first showing slide 508 var position = slider.children.eq(slider.active.index *getMoveBy()).position();509 //check for last slide 510 if (slider.active.index == getPagerQty() - 1) slider.active.last = true;511 //set the repective position 512 if (position !=undefined){513 if (slider.settings.mode == 'horizontal') setPositionProperty(-position.left, 'reset', 0);514 else if (slider.settings.mode == 'vertical') setPositionProperty(-position.top, 'reset', 0);515 }516 }517 }518 519 /**520 * Sets the el's animating property position (which in turn will sometimes animate el).521 * If using CSS, sets the transform property. If not using CSS, sets the top / left property.522 *523 * @param value (int)524 * - the animating property's value525 *526 * @param type (string) 'slider', 'reset', 'ticker'527 * - the type of instance for which the function is being528 *529 * @param duration (int)530 * - the amount of time (in ms) the transition should occupy531 *532 * @param params (array) optional533 * - an optional parameter containing any variables that need to be passed in534 */ 535 var setPositionProperty = function(value, type, duration, params){536 //use CSS transform 537 if(slider.usingCSS){538 //determine the translate3d value 539 var propValue = slider.settings.mode == 'vertical' ? 'translate3d(0, ' + value + 'px, 0)' : 'translate3d(' + value + 'px, 0, 0)';540 //add the CSS transition-duration 541 el.css('-' + slider.cssPrefix + '-transition-duration', duration / 1000 + 's');542 if(type == 'slide'){543 //set the property value 544 el.css(slider.animProp, propValue);545 //bind a callback method - executes when CSS transition completes 546 el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(){547 //unbind the callback 548 el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd');549 updateAfterSlideTransition();550 });551 }else if(type == 'reset'){552 el.css(slider.animProp, propValue);553 }else if(type == 'ticker'){554 //make the transition use 'linear' 555 el.css('-' + slider.cssPrefix + '-transition-timing-function', 'linear');556 el.css(slider.animProp, propValue);557 //bind a callback method - executes when CSS transition completes 558 el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(){559 //unbind the callback 560 el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd');561 //reset the position 562 setPositionProperty(params['resetValue'], 'reset', 0);563 //start the loop again 564 tickerLoop();565 });566 }567 //use JS animate 568 }else{569 var animateObj ={};570 animateObj[slider.animProp] =value;571 if(type == 'slide'){572 el.animate(animateObj, duration, slider.settings.easing, function(){573 updateAfterSlideTransition();574 });575 }else if(type == 'reset'){576 el.css(slider.animProp, value)577 }else if(type == 'ticker'){578 el.animate(animateObj, speed, 'linear', function(){579 setPositionProperty(params['resetValue'], 'reset', 0);580 //run the recursive loop after animation 581 tickerLoop();582 });583 }584 }585 }586 587 /**588 * Populates the pager with proper amount of pages589 */ 590 var populatePager = function(){591 var pagerHtml = '';592 var pagerQty =getPagerQty();593 //loop through each pager item 594 for(var i=0; i < pagerQty; i++){595 var linkContent = '';596 //if a buildPager function is supplied, use it to get pager link value, else use index + 1 597 if(slider.settings.buildPager &&$.isFunction(slider.settings.buildPager)){598 linkContent =slider.settings.buildPager(i);599 slider.pagerEl.addClass('bx-custom-pager');600 }else{601 linkContent = i + 1;602 slider.pagerEl.addClass('bx-default-pager');603 }604 //var linkContent = slider.settings.buildPager && $.isFunction(slider.settings.buildPager) ? slider.settings.buildPager(i) : i + 1; 605 //add the markup to the string 606 pagerHtml += '<div class="bx-pager-item"><a href="" data-slide-index="' + i + '" class="bx-pager-link">' + linkContent + '</a></div>';607 };608 //populate the pager element with pager links 609 slider.pagerEl.html(pagerHtml);610 }611 612 /**613 * Appends the pager to the controls element614 */ 615 var appendPager = function(){616 if(!slider.settings.pagerCustom){617 //create the pager DOM element 618 slider.pagerEl = $('<div class="bx-pager" />');619 //if a pager selector was supplied, populate it with the pager 620 if(slider.settings.pagerSelector){621 $(slider.settings.pagerSelector).html(slider.pagerEl);622 //if no pager selector was supplied, add it after the wrapper 623 }else{624 slider.controls.el.addClass('bx-has-pager').append(slider.pagerEl);625 }626 //populate the pager 627 populatePager();628 }else{629 slider.pagerEl =$(slider.settings.pagerCustom);630 }631 //assign the pager click binding 632 slider.pagerEl.on('click', 'a', clickPagerBind);633 }634 635 /**636 * Appends prev / next controls to the controls element637 */ 638 var appendControls = function(){639 slider.controls.next = $('<a class="bx-next" href="">' + slider.settings.nextText + '</a>');640 slider.controls.prev = $('<a class="bx-prev" href="">' + slider.settings.prevText + '</a>');641 //bind click actions to the controls 642 slider.controls.next.bind('click', clickNextBind);643 slider.controls.prev.bind('click', clickPrevBind);644 //if nextSlector was supplied, populate it 645 if(slider.settings.nextSelector){646 $(slider.settings.nextSelector).append(slider.controls.next);647 }648 //if prevSlector was supplied, populate it 649 if(slider.settings.prevSelector){650 $(slider.settings.prevSelector).append(slider.controls.prev);651 }652 //if no custom selectors were supplied 653 if(!slider.settings.nextSelector && !slider.settings.prevSelector){654 //add the controls to the DOM 655 slider.controls.directionEl = $('<div class="bx-controls-direction" />');656 //add the control elements to the directionEl 657 slider.controls.directionEl.append(slider.controls.prev).append(slider.controls.next);658 //slider.viewport.append(slider.controls.directionEl); 659 slider.controls.el.addClass('bx-has-controls-direction').append(slider.controls.directionEl);660 }661 }662 663 /**664 * Appends start / stop auto controls to the controls element665 */ 666 var appendControlsAuto = function(){667 slider.controls.start = $('<div class="bx-controls-auto-item"><a class="bx-start" href="">' + slider.settings.startText + '</a></div>');668 slider.controls.stop = $('<div class="bx-controls-auto-item"><a class="bx-stop" href="">' + slider.settings.stopText + '</a></div>');669 //add the controls to the DOM 670 slider.controls.autoEl = $('<div class="bx-controls-auto" />');671 //bind click actions to the controls 672 slider.controls.autoEl.on('click', '.bx-start', clickStartBind);673 slider.controls.autoEl.on('click', '.bx-stop', clickStopBind);674 //if autoControlsCombine, insert only the "start" control 675 if(slider.settings.autoControlsCombine){676 slider.controls.autoEl.append(slider.controls.start);677 //if autoControlsCombine is false, insert both controls 678 }else{679 slider.controls.autoEl.append(slider.controls.start).append(slider.controls.stop);680 }681 //if auto controls selector was supplied, populate it with the controls 682 if(slider.settings.autoControlsSelector){683 $(slider.settings.autoControlsSelector).html(slider.controls.autoEl);684 //if auto controls selector was not supplied, add it after the wrapper 685 }else{686 slider.controls.el.addClass('bx-has-controls-auto').append(slider.controls.autoEl);687 }688 //update the auto controls 689 updateAutoControls(slider.settings.autoStart ? 'stop' : 'start');690 }691 692 /**693 * Appends image captions to the DOM694 */ 695 var appendCaptions = function(){696 //cycle through each child 697 slider.children.each(function(index){698 //get the image title attribute 699 var title = $(this).find('img:first').attr('title');700 //append the caption 701 if (title != undefined && ('' +title).length) {702 $(this).append('<div class="bx-caption"><span>' + title + '</span></div>');703 }704 });705 }706 707 /**708 * Click next binding709 *710 * @param e (event)711 * - DOM event object712 */ 713 var clickNextBind = function(e){714 //if auto show is running, stop it 715 if(slider.settings.auto) el.stopAuto();716 el.goToNextSlide();717 e.preventDefault();718 }719 720 /**721 * Click prev binding722 *723 * @param e (event)724 * - DOM event object725 */ 726 var clickPrevBind = function(e){727 //if auto show is running, stop it 728 if(slider.settings.auto) el.stopAuto();729 el.goToPrevSlide();730 e.preventDefault();731 }732 733 /**734 * Click start binding735 *736 * @param e (event)737 * - DOM event object738 */ 739 var clickStartBind = function(e){740 el.startAuto();741 e.preventDefault();742 }743 744 /**745 * Click stop binding746 *747 * @param e (event)748 * - DOM event object749 */ 750 var clickStopBind = function(e){751 el.stopAuto();752 e.preventDefault();753 }754 755 /**756 * Click pager binding757 *758 * @param e (event)759 * - DOM event object760 */ 761 var clickPagerBind = function(e){762 //if auto show is running, stop it 763 if(slider.settings.auto) el.stopAuto();764 var pagerLink =$(e.currentTarget);765 if(pagerLink.attr('data-slide-index') !==undefined){766 var pagerIndex = parseInt(pagerLink.attr('data-slide-index'));767 //if clicked pager link is not active, continue with the goToSlide call 768 if(pagerIndex !=slider.active.index) el.goToSlide(pagerIndex);769 e.preventDefault();770 }771 }772 773 /**774 * Updates the pager links with an active class775 *776 * @param slideIndex (int)777 * - index of slide to make active778 */ 779 var updatePagerActive = function(slideIndex){780 //if "short" pager type 781 var len = slider.children.length; //nb of children 782 if(slider.settings.pagerType == 'short'){783 if(slider.settings.maxSlides > 1) {784 len = Math.ceil(slider.children.length/slider.settings.maxSlides); 785 }786 slider.pagerEl.html( (slideIndex + 1) + slider.settings.pagerShortSeparator +len);787 return;788 }789 //remove all pager active classes 790 slider.pagerEl.find('a').removeClass('active');791 //apply the active class for all pagers 792 slider.pagerEl.each(function(i, el) { $(el).find('a').eq(slideIndex).addClass('active'); });793 }794 795 /**796 * Performs needed actions after a slide transition797 */ 798 var updateAfterSlideTransition = function(){799 //if infinte loop is true 800 if(slider.settings.infiniteLoop){801 var position = '';802 //first slide 803 if(slider.active.index == 0){804 //set the new position 805 position = slider.children.eq(0).position();806 //carousel, last slide 807 }else if(slider.active.index == getPagerQty() - 1 &&slider.carousel){808 position = slider.children.eq((getPagerQty() - 1) *getMoveBy()).position();809 //last slide 810 }else if(slider.active.index == slider.children.length - 1){811 position = slider.children.eq(slider.children.length - 1).position();812 }813 if(position){814 if (slider.settings.mode == 'horizontal') { setPositionProperty(-position.left, 'reset', 0); }815 else if (slider.settings.mode == 'vertical') { setPositionProperty(-position.top, 'reset', 0); }816 }817 }818 //declare that the transition is complete 819 slider.working = false;820 //onSlideAfter callback 821 slider.settings.onSlideAfter(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index);822 }823 824 /**825 * Updates the auto controls state (either active, or combined switch)826 *827 * @param state (string) "start", "stop"828 * - the new state of the auto show829 */ 830 var updateAutoControls = function(state){831 //if autoControlsCombine is true, replace the current control with the new state 832 if(slider.settings.autoControlsCombine){833 slider.controls.autoEl.html(slider.controls[state]);834 //if autoControlsCombine is false, apply the "active" class to the appropriate control 835 }else{836 slider.controls.autoEl.find('a').removeClass('active');837 slider.controls.autoEl.find('a:not(.bx-' + state + ')').addClass('active');838 }839 }840 841 /**842 * Updates the direction controls (checks if either should be hidden)843 */ 844 var updateDirectionControls = function(){845 if(getPagerQty() == 1){846 slider.controls.prev.addClass('disabled');847 slider.controls.next.addClass('disabled');848 }else if(!slider.settings.infiniteLoop &&slider.settings.hideControlOnEnd){849 //if first slide 850 if (slider.active.index == 0){851 slider.controls.prev.addClass('disabled');852 slider.controls.next.removeClass('disabled');853 //if last slide 854 }else if(slider.active.index == getPagerQty() - 1){855 slider.controls.next.addClass('disabled');856 slider.controls.prev.removeClass('disabled');857 //if any slide in the middle 858 }else{859 slider.controls.prev.removeClass('disabled');860 slider.controls.next.removeClass('disabled');861 }862 }863 }864 865 /**866 * Initialzes the auto process867 */ 868 var initAuto = function(){869 //if autoDelay was supplied, launch the auto show using a setTimeout() call 870 if(slider.settings.autoDelay > 0){871 var timeout =setTimeout(el.startAuto, slider.settings.autoDelay);872 //if autoDelay was not supplied, start the auto show normally 873 }else{874 el.startAuto();875 }876 //if autoHover is requested 877 if(slider.settings.autoHover){878 //on el hover 879 el.hover(function(){880 //if the auto show is currently playing (has an active interval) 881 if(slider.interval){882 //stop the auto show and pass true agument which will prevent control update 883 el.stopAuto(true);884 //create a new autoPaused value which will be used by the relative "mouseout" event 885 slider.autoPaused = true;886 }887 }, function(){888 //if the autoPaused value was created be the prior "mouseover" event 889 if(slider.autoPaused){890 //start the auto show and pass true agument which will prevent control update 891 el.startAuto(true);892 //reset the autoPaused value 893 slider.autoPaused = null;894 }895 });896 }897 }898 899 /**900 * Initialzes the ticker process901 */ 902 var initTicker = function(){903 var startPosition = 0;904 //if autoDirection is "next", append a clone of the entire slider 905 if(slider.settings.autoDirection == 'next'){906 el.append(slider.children.clone().addClass('bx-clone'));907 //if autoDirection is "prev", prepend a clone of the entire slider, and set the left position 908 }else{909 el.prepend(slider.children.clone().addClass('bx-clone'));910 var position =slider.children.first().position();911 startPosition = slider.settings.mode == 'horizontal' ? -position.left : -position.top;912 }913 setPositionProperty(startPosition, 'reset', 0);914 //do not allow controls in ticker mode 915 slider.settings.pager = false;916 slider.settings.controls = false;917 slider.settings.autoControls = false;918 //if autoHover is requested 919 if(slider.settings.tickerHover && !slider.usingCSS){920 //on el hover 921 slider.viewport.hover(function(){922 el.stop();923 }, function(){924 //calculate the total width of children (used to calculate the speed ratio) 925 var totalDimens = 0;926 slider.children.each(function(index){927 totalDimens += slider.settings.mode == 'horizontal' ? $(this).outerWidth(true) : $(this).outerHeight(true);928 });929 //calculate the speed ratio (used to determine the new speed to finish the paused animation) 930 var ratio = slider.settings.speed /totalDimens;931 //determine which property to use 932 var property = slider.settings.mode == 'horizontal' ? 'left' : 'top';933 //calculate the new speed 934 var newSpeed = ratio * (totalDimens -(Math.abs(parseInt(el.css(property)))));935 tickerLoop(newSpeed);936 });937 }938 //start the ticker loop 939 tickerLoop();940 }941 942 /**943 * Runs a continuous loop, news ticker-style944 */ 945 var tickerLoop = function(resumeSpeed){946 speed = resumeSpeed ?resumeSpeed : slider.settings.speed;947 var position = {left: 0, top: 0};948 var reset = {left: 0, top: 0};949 //if "next" animate left position to last child, then reset left to 0 950 if(slider.settings.autoDirection == 'next'){951 position = el.find('.bx-clone').first().position();952 //if "prev" animate left position to 0, then reset left to first non-clone child 953 }else{954 reset =slider.children.first().position();955 }956 var animateProperty = slider.settings.mode == 'horizontal' ? -position.left : -position.top;957 var resetValue = slider.settings.mode == 'horizontal' ? -reset.left : -reset.top;958 var params ={resetValue: resetValue};959 setPositionProperty(animateProperty, 'ticker', speed, params);960 }961 962 /**963 * Initializes touch events964 */ 965 var initTouch = function(){966 //initialize object to contain all touch values 967 slider.touch ={968 start: {x: 0, y: 0},969 end: {x: 0, y: 0}970 }971 slider.viewport.bind('touchstart', onTouchStart);972 }973 974 /**975 * Event handler for "touchstart"976 *977 * @param e (event)978 * - DOM event object979 */ 980 var onTouchStart = function(e){981 if(slider.working){982 e.preventDefault();983 }else{984 //record the original position when touch starts 985 slider.touch.originalPos =el.position();986 var orig =e.originalEvent;987 //record the starting touch x, y coordinates 988 slider.touch.start.x = orig.changedTouches[0].pageX;989 slider.touch.start.y = orig.changedTouches[0].pageY;990 //bind a "touchmove" event to the viewport 991 slider.viewport.bind('touchmove', onTouchMove);992 //bind a "touchend" event to the viewport 993 slider.viewport.bind('touchend', onTouchEnd);994 }995 }996 997 /**998 * Event handler for "touchmove"999 *1000 * @param e (event)1001 * - DOM event object1002 */ 1003 var onTouchMove = function(e){1004 var orig =e.originalEvent;1005 //if scrolling on y axis, do not prevent default 1006 var xMovement = Math.abs(orig.changedTouches[0].pageX -slider.touch.start.x);1007 var yMovement = Math.abs(orig.changedTouches[0].pageY -slider.touch.start.y);1008 //x axis swipe 1009 if((xMovement * 3) > yMovement &&slider.settings.preventDefaultSwipeX){1010 e.preventDefault();1011 //y axis swipe 1012 }else if((yMovement * 3) > xMovement &&slider.settings.preventDefaultSwipeY){1013 e.preventDefault();1014 }1015 if(slider.settings.mode != 'fade' &&slider.settings.oneToOneTouch){1016 var value = 0;1017 //if horizontal, drag along x axis 1018 if(slider.settings.mode == 'horizontal'){1019 var change = orig.changedTouches[0].pageX -slider.touch.start.x;1020 value = slider.touch.originalPos.left +change;1021 //if vertical, drag along y axis 1022 }else{1023 var change = orig.changedTouches[0].pageY -slider.touch.start.y;1024 value = slider.touch.originalPos.top +change;1025 }1026 setPositionProperty(value, 'reset', 0);1027 }1028 }1029 1030 /**1031 * Event handler for "touchend"1032 *1033 * @param e (event)1034 * - DOM event object1035 */ 1036 var onTouchEnd = function(e){1037 slider.viewport.unbind('touchmove', onTouchMove);1038 var orig =e.originalEvent;1039 var value = 0;1040 //record end x, y positions 1041 slider.touch.end.x = orig.changedTouches[0].pageX;1042 slider.touch.end.y = orig.changedTouches[0].pageY;1043 //if fade mode, check if absolute x distance clears the threshold 1044 if(slider.settings.mode == 'fade'){1045 var distance = Math.abs(slider.touch.start.x -slider.touch.end.x);1046 if(distance >=slider.settings.swipeThreshold){1047 slider.touch.start.x > slider.touch.end.x ?el.goToNextSlide() : el.goToPrevSlide();1048 el.stopAuto();1049 }1050 //not fade mode 1051 }else{1052 var distance = 0;1053 //calculate distance and el's animate property 1054 if(slider.settings.mode == 'horizontal'){1055 distance = slider.touch.end.x -slider.touch.start.x;1056 value =slider.touch.originalPos.left;1057 }else{1058 distance = slider.touch.end.y -slider.touch.start.y;1059 value =slider.touch.originalPos.top;1060 }1061 //if not infinite loop and first / last slide, do not attempt a slide transition 1062 if(!slider.settings.infiniteLoop && ((slider.active.index == 0 && distance > 0) || (slider.active.last && distance < 0))){1063 setPositionProperty(value, 'reset', 200);1064 }else{1065 //check if distance clears threshold 1066 if(Math.abs(distance) >=slider.settings.swipeThreshold){1067 distance < 0 ?el.goToNextSlide() : el.goToPrevSlide();1068 el.stopAuto();1069 }else{1070 //el.animate(property, 200); 1071 setPositionProperty(value, 'reset', 200);1072 }1073 }1074 }1075 slider.viewport.unbind('touchend', onTouchEnd);1076 }1077 1078 /**1079 * Window resize event callback1080 */ 1081 var resizeWindow = function(e){1082 //don't do anything if slider isn't initialized. 1083 if(!slider.initialized) return;1084 //get the new window dimens (again, thank you IE) 1085 var windowWidthNew =$(window).width();1086 var windowHeightNew =$(window).height();1087 //make sure that it is a true window resize 1088 //*we must check this because our dinosaur friend IE fires a window resize event when certain DOM elements 1089 //are resized. Can you just die already?* 1090 if(windowWidth != windowWidthNew || windowHeight !=windowHeightNew){1091 //set the new window dimens 1092 windowWidth =windowWidthNew;1093 windowHeight =windowHeightNew;1094 //update all dynamic elements 1095 el.redrawSlider();1096 //Call user resize handler 1097 slider.settings.onSliderResize.call(el, slider.active.index);1098 }1099 }1100 1101 /**1102 * ===================================================================================1103 * = PUBLIC FUNCTIONS1104 * ===================================================================================1105 */ 1106 1107 /**1108 * Performs slide transition to the specified slide1109 *1110 * @param slideIndex (int)1111 * - the destination slide's index (zero-based)1112 *1113 * @param direction (string)1114 * - INTERNAL USE ONLY - the direction of travel ("prev" / "next")1115 */ 1116 el.goToSlide = function(slideIndex, direction){1117 //if plugin is currently in motion, ignore request 1118 if(slider.working || slider.active.index == slideIndex) return;1119 //declare that plugin is in motion 1120 slider.working = true;1121 //store the old index 1122 slider.oldIndex =slider.active.index;1123 //if slideIndex is less than zero, set active index to last child (this happens during infinite loop) 1124 if(slideIndex < 0){1125 slider.active.index = getPagerQty() - 1;1126 //if slideIndex is greater than children length, set active index to 0 (this happens during infinite loop) 1127 }else if(slideIndex >=getPagerQty()){1128 slider.active.index = 0;1129 //set active index to requested slide 1130 }else{1131 slider.active.index =slideIndex;1132 }1133 //onSlideBefore, onSlideNext, onSlidePrev callbacks 1134 slider.settings.onSlideBefore(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index);1135 if(direction == 'next'){1136 slider.settings.onSlideNext(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index);1137 }else if(direction == 'prev'){1138 slider.settings.onSlidePrev(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index);1139 }1140 //check if last slide 1141 slider.active.last = slider.active.index >= getPagerQty() - 1;1142 //update the pager with active class 1143 if(slider.settings.pager) updatePagerActive(slider.active.index);1144 //// check for direction control update 1145 if(slider.settings.controls) updateDirectionControls();1146 //if slider is set to mode: "fade" 1147 if(slider.settings.mode == 'fade'){1148 //if adaptiveHeight is true and next height is different from current height, animate to the new height 1149 if(slider.settings.adaptiveHeight && slider.viewport.height() !=getViewportHeight()){1150 slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed);1151 }1152 //fade out the visible child and reset its z-index value 1153 slider.children.filter(':visible').fadeOut(slider.settings.speed).css({zIndex: 0});1154 //fade in the newly requested slide 1155 slider.children.eq(slider.active.index).css('zIndex', slider.settings.slideZIndex+1).fadeIn(slider.settings.speed, function(){1156 $(this).css('zIndex', slider.settings.slideZIndex);1157 updateAfterSlideTransition();1158 });1159 //slider mode is not "fade" 1160 }else{1161 //if adaptiveHeight is true and next height is different from current height, animate to the new height 1162 if(slider.settings.adaptiveHeight && slider.viewport.height() !=getViewportHeight()){1163 slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed);1164 }1165 var moveBy = 0;1166 var position = {left: 0, top: 0};1167 //if carousel and not infinite loop 1168 if(!slider.settings.infiniteLoop && slider.carousel &&slider.active.last){1169 if(slider.settings.mode == 'horizontal'){1170 //get the last child position 1171 var lastChild = slider.children.eq(slider.children.length - 1);1172 position =lastChild.position();1173 //calculate the position of the last slide 1174 moveBy = slider.viewport.width() -lastChild.outerWidth();1175 }else{1176 //get last showing index position 1177 var lastShowingIndex = slider.children.length -slider.settings.minSlides;1178 position =slider.children.eq(lastShowingIndex).position();1179 }1180 //horizontal carousel, going previous while on first slide (infiniteLoop mode) 1181 }else if(slider.carousel && slider.active.last && direction == 'prev'){1182 //get the last child position 1183 var eq = slider.settings.moveSlides == 1 ? slider.settings.maxSlides - getMoveBy() : ((getPagerQty() - 1) * getMoveBy()) - (slider.children.length -slider.settings.maxSlides);1184 var lastChild = el.children('.bx-clone').eq(eq);1185 position =lastChild.position();1186 //if infinite loop and "Next" is clicked on the last slide 1187 }else if(direction == 'next' && slider.active.index == 0){1188 //get the last clone position 1189 position = el.find('> .bx-clone').eq(slider.settings.maxSlides).position();1190 slider.active.last = false;1191 //normal non-zero requests 1192 }else if(slideIndex >= 0){1193 var requestEl = slideIndex *getMoveBy();1194 position =slider.children.eq(requestEl).position();1195 }1196 1197 /*If the position doesn't exist1198 * (e.g. if you destroy the slider on a next click),1199 * it doesn't throw an error.1200 */ 1201 if ("undefined" !== typeof(position)) {1202 var value = slider.settings.mode == 'horizontal' ? -(position.left - moveBy) : -position.top;1203 //plugin values to be animated 1204 setPositionProperty(value, 'slide', slider.settings.speed);1205 }1206 }1207 }1208 1209 /**1210 * Transitions to the next slide in the show1211 */ 1212 el.goToNextSlide = function(){1213 //if infiniteLoop is false and last page is showing, disregard call 1214 if (!slider.settings.infiniteLoop && slider.active.last) return;1215 var pagerIndex = parseInt(slider.active.index) + 1;1216 el.goToSlide(pagerIndex, 'next');1217 }1218 1219 /**1220 * Transitions to the prev slide in the show1221 */ 1222 el.goToPrevSlide = function(){1223 //if infiniteLoop is false and last page is showing, disregard call 1224 if (!slider.settings.infiniteLoop && slider.active.index == 0) return;1225 var pagerIndex = parseInt(slider.active.index) - 1;1226 el.goToSlide(pagerIndex, 'prev');1227 }1228 1229 /**1230 * Starts the auto show1231 *1232 * @param preventControlUpdate (boolean)1233 * - if true, auto controls state will not be updated1234 */ 1235 el.startAuto = function(preventControlUpdate){1236 //if an interval already exists, disregard call 1237 if(slider.interval) return;1238 //create an interval 1239 slider.interval = setInterval(function(){1240 slider.settings.autoDirection == 'next' ?el.goToNextSlide() : el.goToPrevSlide();1241 }, slider.settings.pause);1242 //if auto controls are displayed and preventControlUpdate is not true 1243 if (slider.settings.autoControls && preventControlUpdate != true) updateAutoControls('stop');1244 }1245 1246 /**1247 * Stops the auto show1248 *1249 * @param preventControlUpdate (boolean)1250 * - if true, auto controls state will not be updated1251 */ 1252 el.stopAuto = function(preventControlUpdate){1253 //if no interval exists, disregard call 1254 if(!slider.interval) return;1255 //clear the interval 1256 clearInterval(slider.interval);1257 slider.interval = null;1258 //if auto controls are displayed and preventControlUpdate is not true 1259 if (slider.settings.autoControls && preventControlUpdate != true) updateAutoControls('start');1260 }1261 1262 /**1263 * Returns current slide index (zero-based)1264 */ 1265 el.getCurrentSlide = function(){1266 returnslider.active.index;1267 }1268 1269 /**1270 * Returns current slide element1271 */ 1272 el.getCurrentSlideElement = function(){1273 returnslider.children.eq(slider.active.index);1274 }1275 1276 /**1277 * Returns number of slides in show1278 */ 1279 el.getSlideCount = function(){1280 returnslider.children.length;1281 }1282 1283 /**1284 * Update all dynamic slider elements1285 */ 1286 el.redrawSlider = function(){1287 //resize all children in ratio to new screen size 1288 slider.children.add(el.find('.bx-clone')).width(getSlideWidth());1289 //adjust the height 1290 slider.viewport.css('height', getViewportHeight());1291 //update the slide position 1292 if(!slider.settings.ticker) setSlidePosition();1293 //if active.last was true before the screen resize, we want 1294 //to keep it last no matter what screen size we end on 1295 if (slider.active.last) slider.active.index = getPagerQty() - 1;1296 //if the active index (page) no longer exists due to the resize, simply set the index as last 1297 if (slider.active.index >= getPagerQty()) slider.active.last = true;1298 //if a pager is being displayed and a custom pager is not being used, update it 1299 if(slider.settings.pager && !slider.settings.pagerCustom){1300 populatePager();1301 updatePagerActive(slider.active.index);1302 }1303 }1304 1305 /**1306 * Destroy the current instance of the slider (revert everything back to original state)1307 */ 1308 el.destroySlider = function(){1309 //don't do anything if slider has already been destroyed 1310 if(!slider.initialized) return;1311 slider.initialized = false;1312 $('.bx-clone', this).remove();1313 slider.children.each(function() {1314 $(this).data("origStyle") != undefined ? $(this).attr("style", $(this).data("origStyle")) : $(this).removeAttr('style');1315 });1316 $(this).data("origStyle") != undefined ? this.attr("style", $(this).data("origStyle")) : $(this).removeAttr('style');1317 $(this).unwrap().unwrap();1318 if(slider.controls.el) slider.controls.el.remove();1319 if(slider.controls.next) slider.controls.next.remove();1320 if(slider.controls.prev) slider.controls.prev.remove();1321 if(slider.pagerEl &&slider.settings.controls) slider.pagerEl.remove();1322 $('.bx-caption', this).remove();1323 if(slider.controls.autoEl) slider.controls.autoEl.remove();1324 clearInterval(slider.interval);1325 if(slider.settings.responsive) $(window).unbind('resize', resizeWindow);1326 }1327 1328 /**1329 * Reload the slider (revert all DOM changes, and re-initialize)1330 */ 1331 el.reloadSlider = function(settings){1332 if (settings != undefined) options =settings;1333 el.destroySlider();1334 init();1335 }1336 1337 init();1338 1339 //returns the current jQuery object 1340 return this;1341 }1342 1343 })(jQuery);
转载于:https://www.cnblogs.com/Arlar/p/5635741.html
bxSlider——一个精悍的拥有一大波焦点图轮播滑动特效的Js程序相关推荐
- jQuery焦点图轮播特效插件bxslider，使用说明 及免费下载四川智汇蓝图整理带bxslider免费下载地址
这里分享一个方便实用的JQ 焦点图插件,它的特点简单易用,灵活方便通用性强:支持包含内容不HTML,视频,图片等.出众的兼容能力,完美兼容Firefox,Chrome,Safari,iOS,Andro ...
- html焦点图自动轮播,JS实现焦点图轮播效果的方法详解
本文实例讲述了JS实现焦点图轮播效果的方法.分享给大家供大家参考,具体如下: 效果图如下: 一.所用到的知识点 1.DOM操作 2.定时器 3.事件运用 4.Js动画 5.函数递归 6.无限滚动大法 ...
- js之焦点图轮播特效
js之焦点图轮播特效 一.原理介绍 焦点图在网站很明显的位置,用图片组合播放的形式,类似焦点新闻的意思,只不过加上了图片.据国外的设计机构调查统计,网站焦点图的点击率明显高于纯文字.在很多购物网主页面 ...
- allinone rotator演示40种不同的焦点图轮播
[img]http://www.sucaihuo.com/jquery/2/249/big.jpg[/img] allinone 有15种类型,16 种过渡效果.支持文字左右上下四个方向的动画效果.支 ...
- 焦点图(轮播图)的实现及详解
实际实现代码,包含思路即实现过程(这里设计的目的是应对N张图片的,如果需要实现N张图片的动态效果,只需要在上一张下一张以及轮播图函数(自动翻页的下一张)中在修改了类名后将旧地址进行更新即可: < ...
- web实战(一)— — 焦点图轮播特效
(一).原理分析 1.参考淘宝网首页/极客学院首页的广告栏图片轮播 2.适用技能点有:DOM操作.定时器.事件运用.JS动画.函数递归.无限滚动 可以直接上http://www.imooc.com/l ...
- 南宁琅东的机器人餐厅_南宁埌东藏着一个秘密花园，每天一大波年轻男女进进出出…...
原标题:南宁埌东藏着一个秘密花园,每天一大波年轻男女进进出出- ▼ 当看到这么一家店 你觉得他们家是卖什么的呢? 西餐?私房菜?花园主题餐厅? 不卖关子啦 其实呢 这家是做"江湖菜" ...
- JavaScript面向对象焦点图片轮播banner
2016-04-02 JavaScript学习笔记 实例:焦点轮播图 HTML / CSS部分 <!DOCTYPE HTML> <html> <head> ...
- 轮播图切换圆点html,jQuery插件实现带圆点的焦点图片轮播切换
这次分享的代码是jQuery插件,HovertreeImg是一个图片轮播jquery插件,使用方便,可以设置大小,圆点位置等,代码简洁 #img img{width:100%;height:100%; ...
最新文章
- 某程序员哀叹：自己薪资远远超过了能力，想跳槽又怕外面接不住，怎么办？...
- 数据集与JSON对象互相转换
- Hibernate的Session介绍[转 adoocoke]
- 预防session劫持
- mysql事物 总结_Mysql事务总结
- WebsiteSpark是免费软件吗？
- jdk的logging我们Logger.getLogger(xxx)jdk都干了啥
- iOS之深入解析数组遍历的底层原理和性能分析
- 银行家算法：解决多线程死锁问题
- Video Analysis 相关领域解读之Video Captioning(视频to文字描述)
- 10天学会c语言与单片机第6讲,10天学会单片机c语言视频
- 《Java SE编程365例》003： 我的电子书城
- Datawhale学习笔记【阿里云天池 金融风控-贷款违约预测】Task2 数据分析
- 代价函数、目标函数、损失函数
- 深度学习笔记（一）了解深度学习
- 多空持仓比为2.74
- 【工业机器人】关于工业机器人控制系统，这几方面内容你必须掌握；如何将工业机器人与数控机床融合应用？
- 从网页上直接扒取latex格式的公式
- 什么是RDD？RDD的特点？RDD与Dataframe的关系？
- 直观理解拉格朗日乘子法和Karush-Kuhn-Tucker(KKT)条件