1/* Ultimate Fade-in slideshow (v2.6) 2* Last updated: May 24th, 2010. This notice must stay intact for usage 3* Author: Dynamic Drive at http://www.dynamicdrive.com/ 4* Visit http://www.dynamicdrive.com/ for full source code 5*/ 6 7//Oct 6th, 09' (v2.1): Adds option to randomize display order of images, via new option displaymode.randomize 8//May 24th, 10' (v2.4): Adds new "peakaboo" option to "descreveal" setting. oninit and onslide event handlers added. 9//June 22nd, 14' (v2.6): 1) Slideshow now responsive, supporting percentage values in the dimensions[w, h] option. 2) Swipe to navigate added on both desktop and mobile devices. 10//June 22nd, 14' (v2.6.1): Enabled vertical swiping inside slideshow to scroll page 11 12var fadeSlideShow_descpanel={ 13 controls: [['x.png', 8, 8], ['restore.png', 14, 15.5], ['loading.gif', 54, 55]], //full URL and dimensions of close, restore, and loading images 14 fontStyle: 'normal 11px Verdana', //font style for text descriptions 15 slidespeed: 200 //speed of description panel animation (in millisec) 16} 17 18//No need to edit beyond here... 19 20jQuery.noConflict() 21 22function fadeSlideShow(settingarg){ 23 this.setting=settingarg 24 settingarg=null 25 var setting=this.setting 26 setting.fadeduration=setting.fadeduration? parseInt(setting.fadeduration) : 500 27 setting.curimage=(setting.persist)? fadeSlideShow.routines.getCookie("gallery-"+setting.wrapperid) : 0 28 setting.curimage=setting.curimage || 0 //account for curimage being null if cookie is empty 29 setting.currentstep=0 //keep track of # of slides slideshow has gone through (applicable in displaymode='auto' only) 30 setting.totalsteps=setting.imagearray.length*(setting.displaymode.cycles>0? setting.displaymode.cycles : Infinity) //Total steps limit (applicable in displaymode='auto' only w/ cycles>0) 31 setting.fglayer=0, setting.bglayer=1 //index of active and background layer (switches after each change of slide) 32 setting.isflexible = /\%/.test(setting.dimensions[0]) || /\%/.test(setting.dimensions[1]) // test if one of slideshow dimension sides is a percentage value 33 setting.oninit=setting.oninit || function(){} 34 setting.onslide=setting.onslide || function(){} 35 if (setting.displaymode.randomize) //randomly shuffle order of images? 36 setting.imagearray.sort(function() {return 0.5 - Math.random()}) 37 var preloadimages=[] //preload images 38 setting.longestdesc="" //get longest description of all slides. If no desciptions defined, variable contains "" 39 for (var i=0; i<setting.imagearray.length; i++){ //preload images 40 preloadimages[i]=new Image() 41 preloadimages[i].src=setting.imagearray[i][0] 42 if (setting.imagearray[i][3] && setting.imagearray[i][3].length>setting.longestdesc.length) 43 setting.longestdesc=setting.imagearray[i][3] 44 } 45 var closebutt=fadeSlideShow_descpanel.controls[0] //add close button to "desc" panel if descreveal="always" 46 setting.closebutton=(setting.descreveal=="always")? '<img class="close" src="'+closebutt[0]+'" style="float:right;cursor:hand;cursor:pointer;width:'+closebutt[1]+'px;height:'+closebutt[2]+'px;margin-left:2px" title="Hide Description" />' : '' 47 var slideshow=this 48 jQuery(document).ready(function($){ //fire on DOM ready 49 var setting=slideshow.setting 50 var fullhtml=fadeSlideShow.routines.getFullHTML(setting.imagearray) //get full HTML of entire slideshow 51 setting.$wrapperdiv=$('#'+setting.wrapperid).css({position:'absolute', visibility:'visible', background:'transparent', overflow:'hidden', width:setting.dimensions[0], height:setting.dimensions[1]}).empty() //main slideshow DIV 52 setting.dimensions = [ // get dimensions of slideshow in pixels 53 setting.$wrapperdiv.outerWidth(), 54 setting.$wrapperdiv.outerHeight() 55 ] 56 if (setting.$wrapperdiv.length==0){ //if no wrapper DIV found 57 alert("Error: DIV with ID \""+setting.wrapperid+"\" not found on page.") 58 return 59 } 60 setting.$gallerylayers=$('<div class="gallerylayer"></div><div class="gallerylayer"></div>') //two stacked DIVs to display the actual slide 61 .css({position:'absolute', left:0, top:0, width:'100%', height:'100%', background:'transparent'}) 62 .appendTo(setting.$wrapperdiv) 63 var $loadingimg=$('<img src="'+fadeSlideShow_descpanel.controls[2][0]+'" style="position:absolute;width:'+fadeSlideShow_descpanel.controls[2][1]+';height:'+fadeSlideShow_descpanel.controls[2][2]+'" />') 64 .css({left:setting.dimensions[0]/2-fadeSlideShow_descpanel.controls[2][1]/2, top:setting.dimensions[1]/2-fadeSlideShow_descpanel.controls[2][2]}) //center loading gif 65 .appendTo(setting.$wrapperdiv) 66 var $curimage=setting.$gallerylayers.html(fullhtml).find('img').hide().eq(setting.curimage) //prefill both layers with entire slideshow content, hide all images, and return current image 67 if (setting.longestdesc!="" && setting.descreveal!="none"){ //if at least one slide contains a description (versus feature is enabled but no descriptions defined) and descreveal not explicitly disabled 68 fadeSlideShow.routines.adddescpanel($, setting) 69 if (setting.descreveal=="always"){ //position desc panel so it's visible to begin with 70 setting.$descpanel.css({top:setting.dimensions[1]-setting.panelheight}) 71 setting.$descinner.click(function(e){ //asign click behavior to "close" icon 72 if (e.target.className=="close"){ 73 slideshow.showhidedescpanel('hide') 74 } 75 }) 76 setting.$restorebutton.click(function(e){ //asign click behavior to "restore" icon 77 slideshow.showhidedescpanel('show') 78 $(this).css({visibility:'hidden'}) 79 }) 80 } 81 else if (setting.descreveal=="ondemand"){ //display desc panel on demand (mouseover) 82 setting.$wrapperdiv.bind('mouseenter', function(){slideshow.showhidedescpanel('show')}) 83 setting.$wrapperdiv.bind('mouseleave', function(){slideshow.showhidedescpanel('hide')}) 84 } 85 } 86 setting.$wrapperdiv.bind('mouseenter', function(){setting.ismouseover=true}) //pause slideshow mouseover 87 setting.$wrapperdiv.bind('mouseleave', function(){setting.ismouseover=false}) 88 89 if (setting.$wrapperdiv.swipe){ // if swipe enabled (swipe function exists) 90 var swipeOptions={ // swipe object variables 91 triggerOnTouchEnd : true, 92 triggerOnTouchLeave : true, 93 threshold: 75, 94 allowPageScroll: 'vertical', 95 excludedElements:[] 96 } 97 98 swipeOptions.swipeStatus = function(event, phase, direction, distance){ 99 var evtparent = event.target.parentNode // check parent element of target image 100 if (phase == 'start' && evtparent.tagName == 'A'){ // cancel A action when finger makes contact with element 101 evtparent.onclick = function(){ 102 return false 103 } 104 } 105 if (phase == 'cancel' && evtparent.tagName == 'A'){ // if swipe action canceled (so no proper swipe), enable A action 106 evtparent.onclick = function(){ 107 return true 108 } 109 } 110 if (phase == 'end'){ 111 var navkeyword = /(right)/i.test(direction)? 'prev' : 'next' 112 if ( /(left)|(right)/i.test(direction) ) 113 slideshow.navigate(navkeyword) 114 } 115 } 116 117 setting.$wrapperdiv.swipe(swipeOptions) 118 } // end setting.$wrapperdiv.swipe check 119 120 if ($curimage.get(0).complete){ //accounf for IE not firing image.onload 121 $loadingimg.hide() 122 slideshow.paginateinit($) 123 slideshow.showslide(setting.curimage) 124 } 125 else{ //initialize slideshow when first image has fully loaded 126 $loadingimg.hide() 127 slideshow.paginateinit($) 128 $curimage.bind('load', function(){slideshow.showslide(setting.curimage)}) 129 } 130 setting.oninit.call(slideshow) //trigger oninit() event 131 132 $(window).bind('resize', function(){ // when window is resized, reposition description panel and images 133 var slideshowdimensions = [ 134 setting.$wrapperdiv.outerWidth(), 135 setting.$wrapperdiv.outerHeight() 136 ] 137 if (slideshowdimensions[0] == setting.dimensions[0] && slideshowdimensions[1] == setting.dimensions[1]){ // if no change in image dimensions, just exit 138 return 139 } 140 141 setting.dimensions = slideshowdimensions // refresh image dimensions data 142 if (setting.$descpanel && setting.$descpanel.length == 1){ // if description panel enabled for slideshow 143 setting.$descpanel 144 .find('div') 145 .css({width:setting.$descpanel.width()-8}) 146 .eq(2) // reference hidden description panel (used to calculate height of longest message 147 .css({height:'auto', background:'blue'}
147).html(setting.closebutton + setting.longestdesc).end() // populate hidden DIV with longest message 148 setting.panelheight = setting.$descpanel.find('div').eq(2).outerHeight() // then get height of that DIV 149 setting.$descpanel.css({height: setting.panelheight}) // reset main description panel height 150 if (!setting.$restorebutton || (setting.$restorebutton && setting.$restorebutton.css('visibility') == 'hidden')){ // if panel doesn't contain restore button (meaning it should always be repositioned onresize), or there is restore button and it's currenty hidden (meaning panel is currently not minimized) 151 setting.$descpanel.css({top:setting.dimensions[1]-setting.panelheight}) 152 } 153 } 154 var $slideimage=setting.$gallerylayers.eq(setting.fglayer).find('img').eq(setting.curimage) 155 var imgdimensions=[$slideimage.width(), $slideimage.height()] //center align image 156 $slideimage.css({marginLeft: (imgdimensions[0]>0 && imgdimensions[0]<setting.dimensions[0])? setting.dimensions[0]/2-imgdimensions[0]/2 : 0}) 157 $slideimage.css({marginTop: (imgdimensions[1]>0 && imgdimensions[1]<setting.dimensions[1])? setting.dimensions[1]/2-imgdimensions[1]/2 : 0}) 158 }) 159 $(window).bind('unload', function(){ //clean up and persist 160 if (slideshow.setting.persist) //remember last shown image's index 161 fadeSlideShow.routines.setCookie("gallery-"+setting.wrapperid, setting.curimage) 162 jQuery.each(slideshow.setting, function(k){ 163 if (slideshow.setting[k] instanceof Array){ 164 for (var i=0; i<slideshow.setting[k].length; i++){ 165 if (slideshow.setting[k][i].tagName=="DIV") //catches 2 gallerylayer divs, gallerystatus div 166 slideshow.setting[k][i].innerHTML=null 167 slideshow.setting[k][i]=null 168 } 169 } 170 }) 171 slideshow=slideshow.setting=null 172 }) 173 }) 174} 175 176fadeSlideShow.prototype={ 177 178 navigate:function(keyword){ 179 var setting=this.setting 180 clearTimeout(setting.playtimer) 181 if (setting.displaymode.type=="auto"){ //in auto mode 182 setting.displaymode.type="manual" //switch to "manual" mode when nav buttons are clicked on 183 setting.displaymode.wraparound=true //set wraparound option to true 184 } 185 if (!isNaN(parseInt(keyword))){ //go to specific slide? 186 this.showslide(parseInt(keyword)) 187 } 188 else if (/(prev)|(next)/i.test(keyword)){ //go back or forth inside slide? 189 this.showslide(keyword.toLowerCase()) 190 } 191 }, 192 193 showslide:function(keyword){ 194 var slideshow=this 195 var setting=slideshow.setting 196 if (setting.displaymode.type=="auto" && setting.ismouseover && setting.currentstep<=setting.totalsteps){ //if slideshow in autoplay mode and mouse is over it, pause it 197 setting.playtimer=setTimeout(function(){slideshow.showslide('next')}, setting.displaymode.pause) 198 return 199 } 200 var totalimages=setting.imagearray.length 201 var imgindex=(keyword=="next")? (setting.curimage<totalimages-1? setting.curimage+1 : 0) 202 : (keyword=="prev")? (setting.curimage>0? setting.curimage-1 : totalimages-1) 203 : Math.min(keyword, totalimages-1) 204 var $slideimage=setting.$gallerylayers.eq(setting.bglayer).find('img').hide().eq(imgindex).show() //hide all images except current one 205 var imgdimensions=[$slideimage.width(), $slideimage.height()] //center align image 206 $slideimage.css({marginLeft: (imgdimensions[0]>0 && imgdimensions[0]<setting.dimensions[0])? setting.dimensions[0]/2-imgdimensions[0]/2 : 0}) 207 $slideimage.css({marginTop: (imgdimensions[1]>0 && imgdimensions[1]<setting.dimensions[1])? setting.dimensions[1]/2-imgdimensions[1]/2 : 0}) 208 if (setting.descreveal=="peekaboo" && setting.longestdesc!=""){ //if descreveal is set to "peekaboo", make sure description panel is hidden before next slide is shown 209 clearTimeout(setting.hidedesctimer) //clear hide desc panel timer 210 slideshow.showhidedescpanel('hide', 0) //and hide it immediately 211 } 212 setting.$gallerylayers.eq(setting.bglayer).css({zIndex:1000, opacity:0}) //background layer becomes foreground 213 .stop().css({opacity:0}).animate({opacity:1}, setting.fadeduration, function(){ //Callback function after fade animation is complete: 214 clearTimeout(setting.playtimer) 215 try{
216 setting.onslide.call(slideshow, setting.$gallerylayers.eq(setting.fglayer).get(0), setting.curimage) 217 }catch(e){ 218 alert("Fade In Slideshow error: An error has occured somwhere in your code attached to the \"onslide\" event: "+e) 219 } 220 if (setting.descreveal=="peekaboo" && setting.longestdesc!=""){ 221 slideshow.showhidedescpanel('show') 222 setting.hidedesctimer=setTimeout(function(){slideshow.showhidedescpanel('hide')}, setting.displaymode.pause-fadeSlideShow_descpanel.slidespeed) 223 } 224 setting.currentstep+=1 225 if (setting.displaymode.type=="auto"){ 226 if (setting.currentstep<=setting.totalsteps || setting.displaymode.cycles==0) 227 setting.playtimer=setTimeout(function(){slideshow.showslide('next')}, setting.displaymode.pause) 228 } 229 }) //end callback function 230 setting.$gallerylayers.eq(setting.fglayer).css({zIndex:999}) //foreground layer becomes background 231 setting.fglayer=setting.bglayer 232 setting.bglayer=(setting.bglayer==0)? 1 : 0 233 setting.curimage=imgindex 234 if (setting.$descpanel){ 235 setting.$descpanel.css({visibility:(setting.imagearray[imgindex][3])? 'visible' : 'hidden'}) 236 if (setting.imagearray[imgindex][3]) //if this slide contains a description
237 setting.$descinner.empty().html(setting.closebutton + setting.imagearray[imgindex][3]) 238 } 239 if (setting.displaymode.type=="manual" && !setting.displaymode.wraparound){ 240 this.paginatecontrol() 241 } 242 if (setting.$status) //if status container defined 243 setting.$status.html(setting.curimage+1 + "/" + totalimages) 244 }, 245 246 showhidedescpanel:function(state, animateduration){ 247 var setting=this.setting 248 var endpoint=(state=="show")? setting.dimensions[1]-setting.panelheight : this.setting.dimensions[1] 249 setting.$descpanel.stop().animate({top:endpoint}, (typeof animateduration!="undefined"? animateduration : fadeSlideShow_descpanel.slidespeed), function(){ 250 if (setting.descreveal=="always" && state=="hide") 251 setting.$restorebutton.css({visibility:'visible'}) //show restore button 252 }) 253 }, 254 255 paginateinit:function($){ 256 var slideshow=this 257 var setting=this.setting 258 if (setting.togglerid){ //if toggler div defined 259 setting.$togglerdiv=$("#"+setting.togglerid) 260 setting.$prev=setting.$togglerdiv.find('.prev').data('action', 'prev') 261 setting.$next=setting.$togglerdiv.find('.next').data('action', 'next') 262 setting.$prev.add(setting.$next).click(function(e){ //assign click behavior to prev and next controls 263 var $target=$(this) 264 slideshow.navigate($target.data('action')) 265 e.preventDefault() 266 }) 267 setting.$status=setting.$togglerdiv.find('.status') 268 } 269 }, 270 271 paginatecontrol:function(){ 272 var setting=this.setting 273 setting.$prev.css({opacity:(setting.curimage==0)? 0.4 : 1}).data('action', (setting.curimage==0)? 'none' : 'prev') 274 setting.$next.css({opacity:(setting.curimage==setting.imagearray.length-1)? 0.4 : 1}).data('action', (setting.curimage==setting.imagearray.length-1)? 'none' : 'next') 275 if (document.documentMode==8){ //in IE8 standards mode, apply opacity to inner image of link 276 setting.$prev.find('img:eq(0)').css({opacity:(setting.curimage==0)? 0.4 : 1}) 277 setting.$next.find('img:eq(0)').css({opacity:(setting.curimage==setting.imagearray.length-1)? 0.4 : 1}) 278 } 279 } 280 281 282} 283 284fadeSlideShow.routines={ 285 286 getSlideHTML:function(imgelement){ 287 var layerHTML=(imgelement[1])? '<a href="'+imgelement[1]+'" target="'+imgelement[2]+'">\n' : '' //hyperlink slide? 288 layerHTML+='<img src="'+imgelement[0]+'" style="border-width:0;" />\n' 289 layerHTML+=(imgelement[1])? '</a>\n' : '' 290 return layerHTML //return HTML for this layer 291 }, 292 293 getFullHTML:function(imagearray){ 294 var preloadhtml='' 295 for (var i=0; i<imagearray.length; i++) 296 preloadhtml+=this.getSlideHTML(imagearray[i]) 297 return preloadhtml 298 }, 299 300 adddescpanel:function($, setting){ 301 setting.$descpanel=$('<div class="fadeslidedescdiv"></div>') 302 .css({position:'absolute', visibility:'hidden', width:'100%', left:0, top:setting.dimensions[1], font:fadeSlideShow_descpanel.fontStyle, zIndex:'1001'}) 303 .appendTo(setting.$wrapperdiv) 304 $('<div class="descpanelbg"></div><div class="descpanelfg"></div><div class="descpanelhidden"></div>') //create inner nav panel DIVs 305 .css({position:'absolute', left:0, top:0, width:setting.$descpanel.width()-8, padding:'4px'}) 306 .eq(0).css({background:'transparent', opacity:0.7}).end() //"descpanelbg" div 307 .eq(1).css({color:'white'}
307).html(setting.closebutton + setting.longestdesc).end() //"descpanelfg" div 308 .eq(2).css({visibility: 'hidden', zIndex: -1}).html(setting.closebutton + setting.longestdesc).end() //"descpanelhidden" hidden div to re-get height of panel after populating it with text 309 .appendTo(setting.$descpanel) 310 setting.$descinner=setting.$descpanel.find('div.descpanelfg') 311 setting.panelheight=setting.$descinner.outerHeight() 312 setting.$descpanel.css({height:setting.panelheight}).find('div').css({height:'100%'}) 313 if (setting.descreveal=="always"){ //create restore button 314 setting.$restorebutton=$('<img class="restore" title="Restore Description" src="' + fadeSlideShow_descpanel.controls[1][0] +'" style="position:absolute;visibility:hidden;right:0;bottom:0;z-index:1002;width:'+fadeSlideShow_descpanel.controls[1][1]+'px;height:'+fadeSlideShow_descpanel.controls[1][2]+'px;cursor:pointer;cursor:hand" />') 315 .appendTo(setting.$wrapperdiv) 316 317 318 } 319 }, 320 321 322 getCookie:function(Name){ 323 var re=new RegExp(Name+"=[^;]+", "i"); //construct RE to search for target name/value pair 324 if (document.cookie.match(re)) //if cookie found 325 return document.cookie.match(re)[0].split("=")[1] //return its value 326 return null 327 }, 328 329 setCookie:function(name, value){ 330 document.cookie = name+"=" + value + ";path=/" 331 } 332}
Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.