1/* 2 anythingSlider v1.2 3 4 By Chris Coyier: http://css-tricks.com 5 with major improvements by Doug Neiner: http://pixelgraphics.us/ 6 based on work by Remy Sharp: http://jqueryfordesigners.com/ 7 8 9 To use the navigationFormatter function, you must have a function that 10 accepts two paramaters, and returns a string of HTML text. 11 12 index = integer index (1 based); 13 panel = jQuery wrapped LI item this tab references 14 @return = Must return a string of HTML/Text 15 16 navigationFormatter: function(index, panel){ 17 return index + " Panel"; // This would have each tab with the text 'X Panel' where X = index 18 } 19*/ 20 21(function($){ 22 23 $.anythingSlider = function(el, options){ 24 // To avoid scope issues, use 'base' instead of 'this' 25 // to reference this class from internal events and functions. 26 var base = this; 27 28 // Access to jQuery and DOM versions of element 29 base.$el = $(el); 30 base.el = el; 31 32 // Set up a few defaults 33 base.currentPage = 1; 34 base.timer = null; 35 base.playing = false; 36 37 // Add a reverse reference to the DOM object 38 base.$el.data("AnythingSlider", base); 39 40 base.init = function(){ 41 base.options = $.extend({},$.anythingSlider.defaults, options); 42 43 // Cache existing DOM elements for later 44 base.$wrapper = base.$el.find('> div').css('overflow', 'hidden'); 45 base.$slider = base.$wrapper.find('> ul'); 46 base.$items = base.$slider.find('> li'); 47 base.$single = base.$items.filter(':first'); 48 49 // Build the navigation if needed 50 if(base.options.buildNavigation) base.buildNavigation(); 51 52 // Get the details 53 base.singleWidth = base.$single.outerWidth(); 54 base.pages = base.$items.length; 55 56 // Top and tail the list with 'visible' number of items, top has the last section, and tail has the first 57 // This supports the "infinite" scrolling 58 base.$items.filter(':first').before(base.$items.filter(':last').clone().addClass('cloned')); 59 base.$items.filter(':last' ).after(base.$items.filter(':first').clone().addClass('cloned')); 60 61 // We just added two items, time to re-cache the list 62 base.$items = base.$slider.find('> li'); // reselect 63 64 // Setup our forward/backward navigation 65 base.buildNextBackButtons(); 66 67 // If autoPlay functionality is included, then initialize the settings 68 if(base.options.autoPlay) { 69 base.playing = !base.options.startStopped; // Sets the playing variable to false if startStopped is true 70 base.buildAutoPlay(); 71 }; 72 73 // If pauseOnHover then add hover effects 74 if(base.options.pauseOnHover) { 75 base.$el.hover(function(){ 76 base.clearTimer(); 77 }, function(){ 78 base.startStop(base.playing); 79 }); 80 } 81 82 // If a hash can not be used to trigger the plugin, then go to page 1 83 if((base.options.hashTags == true && !base.gotoHash()) || base.options.hashTags == false){ 84 base.setCurrentPage(1); 85 }; 86 }; 87 88 base.gotoPage = function(page, autoplay){ 89 // When autoplay isn't passed, we stop the timer 90 if(autoplay !== true) autoplay = false; 91 if(!autoplay) base.startStop(false); 92 93 if(typeof(page) == "undefined" || page == null) { 94 page = 1; 95 base.setCurrentPage(1); 96 }; 97 98 // Just check for bounds 99 if(page > base.pages + 1) page = base.pages; 100 if(page < 0 ) page = 1; 101 102 var dir = page < base.currentPage ? -1 : 1, 103 n = Math.abs(base.currentPage - page), 104 left = base.singleWidth * dir * n; 105 106 base.$wrapper.filter(':not(:animated)').animate({ 107 scrollLeft : '+=' + left 108 }, base.options.animationTime, base.options.easing, function () { 109 if (page == 0) { 110 base.$wrapper.scrollLeft(base.singleWidth * base.pages); 111 page = base.pages; 112 } else if (page > base.pages) { 113 base.$wrapper.scrollLeft(base.singleWidth); 114 // reset back to start position 115 page = 1; 116 }; 117 base.setCurrentPage(page); 118 119 }); 120 }; 121
122 base.setCurrentPage = function(page, move){ 123 // Set visual 124 if(base.options.buildNavigation){ 125 base.$nav.find('.cur').removeClass('cur'); 126 $(base.$navLinks[page - 1]).addClass('cur'); 127 }; 128 129 // Only change left if move does not equal false 130 if(move !== false) base.$wrapper.scrollLeft(base.singleWidth * page); 131 132 // Update local variable 133 base.currentPage = page; 134 }; 135 136 base.goForward = function(autoplay){ 137 if(autoplay !== true) autoplay = false; 138 base.gotoPage(base.currentPage + 1, autoplay); 139 }; 140 141 base.goBack = function(){ 142 base.gotoPage(base.currentPage - 1); 143 }; 144 145 // This method tries to find a hash that matches panel-X 146 // If found, it tries to find a matching item 147 // If that is found as well, then that item starts visible 148 base.gotoHash = function(){ 149 if(/^#?panel-\d+$/.test(window.location.hash)){ 150 var index = parseInt(window.location.hash.substr(7)); 151 var $item = base.$items.filter(':eq(' + index + ')'); 152 if($item.length != 0){ 153 base.setCurrentPage(index); 154 return true; 155 }; 156 }; 157 return false; // A item wasn't found; 158 }; 159 160 // Creates the numbered navigation links 161 base.buildNavigation = function(){ 162 base.$nav = $("<div id='thumbNav'></div>").appendTo(base.$el); 163 base.$items.each(function(i,el){ 164 var index = i + 1; 165 var $a = $("<a href='#'></a>"); 166 167 // If a formatter function is present, use it 168 if( typeof(base.options.navigationFormatter) == "function"){ 169 $a.html(base.options.navigationFormatter(index, $(this))); 170 } else { 171 $a.text(index); 172 } 173 $a.click(function(e){ 174 base.gotoPage(index); 175 176 if (base.options.hashTags) 177 base.setHash('panel-' + index); 178 179 e.preventDefault(); 180 }); 181 base.$nav.append($a); 182 }); 183 base.$navLinks = base.$nav.find('> a'); 184 }; 185 186 187 // Creates the Forward/Backward buttons 188 base.buildNextBackButtons = function(){ 189 var $forward = $('<a class="arrow forward">></a>'), 190 $back = $('<a class="arrow back"><</a>'); 191 192 // Bind to the forward and back buttons 193 $back.click(function(e){ 194 base.goBack(); 195 e.preventDefault(); 196 }); 197 198 $forward.click(function(e){ 199 base.goForward(); 200 e.preventDefault(); 201 }); 202 203 // Append elements to page 204 base.$wrapper.after($back).after($forward); 205 }; 206 207 // Creates the Start/Stop button 208 base.buildAutoPlay = function(){ 209 210 base.$startStop = $("<a href='#' id='start-stop'></a>").html(base.playing ? base.options.stopText : base.options.startText); 211 base.$el.append(base.$startStop); 212 base.$startStop.click(function(e){ 213 base.startStop(!base.playing); 214 e.preventDefault(); 215 }); 216 217 // Use the same setting, but trigger the start; 218 base.startStop(base.playing); 219 }; 220 221 // Handles stopping and playing the slideshow 222 // Pass startStop(false) to stop and startStop(true) to play 223 base.startStop = function(playing){ 224 if(playing !== true) playing = false; // Default if not supplied is false 225 226 // Update variable 227 base.playing = playing; 228 229 // Toggle playing and text 230 if(base.options.autoPlay) base.$startStop.toggleClass("playing", playing).html( playing ? base.options.stopText : base.options.startText ); 231 232 if(playing){ 233 base.clearTimer(); // Just in case this was triggered twice in a row 234 base.timer = window.setInterval(function(){ 235 base.goForward(true); 236 }, base.options.delay); 237 } else { 238 base.clearTimer(); 239 }; 240 }; 241 242 base.clearTimer = function(){ 243 // Clear the timer only if it is set 244 if(base.timer) window.clearInterval(base.timer); 245 }; 246 247 // Taken from AJAXY jquery.history Plugin 248 base.setHash = function ( hash ) { 249 // Write hash 250 if ( typeof window.location.hash !== 'undefined' ) { 251 if ( window.location.hash !== hash ) { 252 window.location.hash = hash; 253 }; 254 } else if ( location.hash !== hash ) { 255 location.hash = hash; 256 }; 257 258 // Done 259 return hash; 260 }; 261 // <-- End AJAXY code 262 263 264 // Trigger the initialization 265 base.init(); 266 }; 267 268 269 $.anythingSlider.defaults = { 270 easing: "swing", // Anything other than "linear" or "swing" requires the easing plugin 271 autoPlay: true, // This turns off the entire FUNCTIONALY, not just if it starts running or not 272 startStopped: false, // If autoPlay is on, this can force it to start stopped 273 delay: 3000, // How long between slide transitions in AutoPlay mode 274 animationTime: 600, // How long the slide transition takes 275 hashTags: true, // Should links change the hashtag in the URL? 276 buildNavigation: true, // If true, builds and list of anchor links to link to each slide 277 pauseOnHover: true, // If true, and autoPlay is enabled, the show will pause on hover 278 startText: "Start", // Start text 279 stopText: "Stop", // Stop text 280 navigationFormatter: null // Details at the top of the file on this use (advanced use) 281 }; 282 283 284 $.fn.anythingSlider = function(options){ 285 if(typeof(options) == "object"){ 286 return this.each(function(i){ 287 (new $.anythingSlider(this, options)); 288 289 // This plugin supports multiple instances, but only one can support hash-tag support 290 // This disables hash-tags on all items but the first one 291 options.hashTags = false;
292 }); 293 } else if (typeof(options) == "number") { 294 295 return this.each(function(i){ 296 var anySlide = $(this).data('AnythingSlider'); 297 if(anySlide){ 298 anySlide.gotoPage(options); 299 } 300 }); 301 } 302 }; 303 304 305})(jQuery);
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