1// ----------------------------------------------------------------------------------- 2// Lightbox v2.03.3 3// by Lokesh Dhakar - http://www.huddletogether.com 4// 5/21/06 5// 6// For more information on this script, visit: 7// http://huddletogether.com/projects/lightbox2/ 8// 9// Licensed under the Creative Commons Attribution 2.5 License - http://creativecommons.org/licenses/by/2.5/ 10// 11// Credit also due to those who have helped, inspired, and made their code available to the public. 12// Including: Scott Upton(uptonic.com), Peter-Paul Koch(quirksmode.com), Thomas Fuchs(mir.aculo.us), and others. 13// ----------------------------------------------------------------------------------- 14var imageArray = new Array; 15var activeImage; 16 17if(animate == true){ 18 overlayDuration = 0.2; // shadow fade in/out duration 19 if(resizeSpeed > 10){ resizeSpeed = 10;} 20 if(resizeSpeed < 1){ resizeSpeed = 1;} 21 resizeDuration = (11 - resizeSpeed) * 0.15; 22} else { 23 overlayDuration = 0; 24 resizeDuration = 0; 25} 26Object.extend(Element, { 27 getWidth: function(element) { 28 element = $(element); 29 return element.offsetWidth; 30 }, 31 setWidth: function(element,w) { 32 element = $(element); 33 element.style.width = w +"px"; 34 }, 35 setHeight: function(element,h) { 36 element = $(element); 37 element.style.height = h +"px"; 38 }, 39 setTop: function(element,t) { 40 element = $(element); 41 element.style.top = t +"px"; 42 }, 43 setLeft: function(element,l) { 44 element = $(element); 45 element.style.left = l +"px"; 46 }, 47 setSrc: function(element,src) { 48 element = $(element); 49 element.src = src; 50 }, 51 setHref: function(element,href) { 52 element = $(element); 53 element.href = href; 54 }, 55 setInnerHTML: function(element,content) { 56 element = $(element); 57 element.innerHTML = content; 58 } 59}); 60Array.prototype.removeDuplicates = function () { 61 for(i = 0; i < this.length; i++){ 62 for(j = this.length-1; j>i; j--){ 63 if(this[i][0] == this[j][0]){ 64 this.splice(j,1); 65 } 66 } 67 } 68} 69Array.prototype.empty = function () { 70 for(i = 0; i <= this.length; i++){ 71 this.shift(); 72 } 73} 74var Lightbox = Class.create(); 75 76Lightbox.prototype = { 77 initialize: function() {
78 this.updateImageList(); 79 var objBody = document.getElementsByTagName("body").item(0); 80 81 var objOverlay = document.createElement("div"); 82 objOverlay.setAttribute('id','overlay'); 83 objOverlay.style.display = 'none'; 84 objOverlay.onclick = function() { myLightbox.end(); } 85 objBody.appendChild(objOverlay); 86 87 var objLightbox = document.createElement("div"); 88 objLightbox.setAttribute('id','lightbox'); 89 objLightbox.style.display = 'none'; 90 objLightbox.onclick = function(e) { // close Lightbox is user clicks shadow overlay 91 if (!e) var e = window.event; 92 var clickObj = Event.element(e).id; 93 if ( clickObj == 'lightbox') { 94 myLightbox.end(); 95 } 96 }; 97 objBody.appendChild(objLightbox); 98 99 var objOuterImageContainer = document.createElement("div"); 100 objOuterImageContainer.setAttribute('id','outerImageContainer'); 101 objLightbox.appendChild(objOuterImageContainer); 102 103 if(animate){ 104 Element.setWidth('outerImageContainer', 250); 105 Element.setHeight('outerImageContainer', 250); 106 } else { 107 Element.setWidth('outerImageContainer', 1); 108 Element.setHeight('outerImageContainer', 1); 109 } 110 111 var objImageContainer = document.createElement("div"); 112 objImageContainer.setAttribute('id','imageContainer'); 113 objOuterImageContainer.appendChild(objImageContainer); 114 115 var objLightboxImage = document.createElement("img"); 116 objLightboxImage.setAttribute('id','lightboxImage'); 117 objImageContainer.appendChild(objLightboxImage); 118 119 var objHoverNav = document.createElement("div"); 120 objHoverNav.setAttribute('id','hoverNav'); 121 objImageContainer.appendChild(objHoverNav); 122 123 var objPrevLink = document.createElement("a"); 124 objPrevLink.setAttribute('id','prevLink'); 125 objPrevLink.setAttribute('href','#'); 126 objHoverNav.appendChild(objPrevLink); 127 128 var objNextLink = document.createElement("a"); 129 objNextLink.setAttribute('id','nextLink'); 130 objNextLink.setAttribute('href','#'); 131 objHoverNav.appendChild(objNextLink); 132 133 var objLoading = document.createElement("div"); 134 objLoading.setAttribute('id','loading'); 135 objImageContainer.appendChild(objLoading); 136 137 var objLoadingLink = document.createElement("a"); 138 objLoadingLink.setAttribute('id','loadingLink'); 139 objLoadingLink.setAttribute('href','#'); 140 objLoadingLink.onclick = function() { myLightbox.end(); return false; } 141 objLoading.appendChild(objLoadingLink); 142 143 var objLoadingImage = document.createElement("img"); 144 objLoadingImage.setAttribute('src', fileLoadingImage); 145 objLoadingLink.appendChild(objLoadingImage); 146 147 var objImageDataContainer = document.createElement("div"); 148 objImageDataContainer.setAttribute('id','imageDataContainer'); 149 objLightbox.appendChild(objImageDataContainer); 150 151 var objImageData = document.createElement("div"); 152 objImageData.setAttribute('id','imageData'); 153 objImageDataContainer.appendChild(objImageData); 154 155 var objImageDetails = document.createElement("div"); 156 objImageDetails.setAttribute('id','imageDetails'); 157 objImageData.appendChild(objImageDetails); 158 159 var objCaption = document.createElement("span"); 160 objCaption.setAttribute('id','caption'); 161 objImageDetails.appendChild(objCaption); 162
163 var objNumberDisplay = document.createElement("span"); 164 objNumberDisplay.setAttribute('id','numberDisplay'); 165 objImageDetails.appendChild(objNumberDisplay); 166 167 var objBottomNav = document.createElement("div"); 168 objBottomNav.setAttribute('id','bottomNav'); 169 objImageData.appendChild(objBottomNav); 170 171 var objBottomNavCloseLink = document.createElement("a"); 172 objBottomNavCloseLink.setAttribute('id','bottomNavClose'); 173 objBottomNavCloseLink.setAttribute('href','#'); 174 objBottomNavCloseLink.onclick = function() { myLightbox.end(); return false; } 175 objBottomNav.appendChild(objBottomNavCloseLink); 176 177 var objBottomNavCloseImage = document.createElement("img"); 178 objBottomNavCloseImage.setAttribute('src', fileBottomNavCloseImage); 179 objBottomNavCloseLink.appendChild(objBottomNavCloseImage); 180 }, 181 updateImageList: function() { 182 if (!document.getElementsByTagName){ return; } 183 var anchors = document.getElementsByTagName('a'); 184 var areas = document.getElementsByTagName('area'); 185 for (var i=0; i<anchors.length; i++){ 186 var anchor = anchors[i]; 187 var relAttribute = String(anchor.getAttribute('rel')); 188 if (anchor.getAttribute('href') && (relAttribute.toLowerCase().match('lightbox'))){ 189 anchor.onclick = function () {myLightbox.start(this); return false;} 190 } 191 } 192 for (var i=0; i< areas.length; i++){ 193 var area = areas[i]; 194 195 var relAttribute = String(area.getAttribute('rel')); 196 if (area.getAttribute('href') && (relAttribute.toLowerCase().match('lightbox'))){ 197 area.onclick = function () {myLightbox.start(this); return false;} 198 } 199 } 200 }, 201 start: function(imageLink) { 202 hideSelectBoxes(); 203 hideFlash(); 204 var arrayPageSize = getPageSize(); 205 Element.setWidth('overlay', arrayPageSize[0]); 206 Element.setHeight('overlay', arrayPageSize[1]); 207 new Effect.Appear('overlay', { duration: overlayDuration, from: 0.0, to: overlayOpacity }); 208 209 imageArray = []; 210 imageNum = 0; 211 212 if (!document.getElementsByTagName){ return; } 213 var anchors = document.getElementsByTagName( imageLink.tagName); 214 if((imageLink.getAttribute('rel') == 'lightbox')){ 215 imageArray.push(new Array(imageLink.getAttribute('href'), imageLink.getAttribute('title'))); 216 } else { 217 for (var i=0; i<anchors.length; i++){ 218 var anchor = anchors[i]; 219 if (anchor.getAttribute('href') && (anchor.getAttribute('rel') == imageLink.getAttribute('rel'))){ 220 imageArray.push(new Array(anchor.getAttribute('href'), anchor.getAttribute('title'))); 221 } 222 } 223 imageArray.removeDuplicates(); 224 while(imageArray[imageNum][0] != imageLink.getAttribute('href')) { imageNum++;} 225 } 226 var arrayPageScroll = getPageScroll(); 227 var lightboxTop = arrayPageScroll[1] + (arrayPageSize[3] / 10); 228 var lightboxLeft = arrayPageScroll[0]; 229 Element.setTop('lightbox', lightboxTop); 230 Element.setLeft('lightbox', lightboxLeft); 231 232 Element.show('lightbox'); 233 234 this.changeImage(imageNum); 235 }, 236 changeImage: function(imageNum) { 237 activeImage = imageNum; // update global va 238 if(animate){ Element.show('loading');} 239 Element.hide('lightboxImage');
240 Element.hide('hoverNav'); 241 Element.hide('prevLink'); 242 Element.hide('nextLink'); 243 Element.hide('imageDataContainer'); 244 Element.hide('numberDisplay'); 245 imgPreloader = new Image(); 246 imgPreloader.onload=function(){ 247 Element.setSrc('lightboxImage', imageArray[activeImage][0]); 248 myLightbox.resizeImageContainer(imgPreloader.width, imgPreloader.height); 249 250 imgPreloader.onload=function(){}; // clear onLoad, IE behaves irratically with animated gifs otherwise 251 } 252 imgPreloader.src = imageArray[activeImage][0]; 253 }, 254 resizeImageContainer: function( imgWidth, imgHeight) { 255 this.widthCurrent = Element.getWidth('outerImageContainer'); 256 this.heightCurrent = Element.getHeight('outerImageContainer'); 257 var widthNew = (imgWidth + (borderSize * 2)); 258 var heightNew = (imgHeight + (borderSize * 2)); 259 this.xScale = ( widthNew / this.widthCurrent) * 100; 260 this.yScale = ( heightNew / this.heightCurrent) * 100; 261 wDiff = this.widthCurrent - widthNew; 262 hDiff = this.heightCurrent - heightNew; 263 264 if(!( hDiff == 0)){ new Effect.Scale('outerImageContainer', this.yScale, {scaleX: false, duration: resizeDuration, queue: 'front'}); } 265 if(!( wDiff == 0)){ new Effect.Scale('outerImageContainer', this.xScale, {scaleY: false, delay: resizeDuration, duration: resizeDuration}); } 266 if((hDiff == 0) && (wDiff == 0)){ 267 if (navigator.appVersion.indexOf("MSIE")!=-1){ pause(250); } else { pause(100);} 268 } 269 Element.setHeight('prevLink', imgHeight); 270 Element.setHeight('nextLink', imgHeight); 271 Element.setWidth( 'imageDataContainer', widthNew); 272 273 this.showImage(); 274 }, 275 showImage: function(){ 276 Element.hide('loading'); 277 new Effect.Appear('lightboxImage', { duration: resizeDuration, queue: 'end', afterFinish: function(){ myLightbox.updateDetails(); } }); 278 this.preloadNeighborImages(); 279 }, 280 updateDetails: function() { 281 if(imageArray[activeImage][1]){ 282 Element.show('caption'); 283 Element.setInnerHTML( 'caption', imageArray[activeImage][1]); 284 } 285 if(imageArray.length > 1){ 286 Element.show('numberDisplay'); 287 Element.setInnerHTML( 'numberDisplay', "Image " + eval(activeImage + 1) + " of " + imageArray.length); 288 } 289 new Effect.Parallel( 290 [ new Effect.SlideDown( 'imageDataContainer', { sync: true, duration: resizeDuration, from: 0.0, to: 1.0 }), 291 new Effect.Appear('imageDataContainer', { sync: true, duration: resizeDuration }) ], 292 { duration: resizeDuration, afterFinish: function() { 293 // update overlay size and update nav 294 var arrayPageSize = getPageSize(); 295 Element.setHeight('overlay', arrayPageSize[1]); 296 myLightbox.updateNav(); 297 } 298 } 299 ); 300 }, 301 updateNav: function() { 302 Element.show('hoverNav'); 303 304 if(activeImage != 0){ 305 Element.show('prevLink'); 306 document.getElementById('prevLink').onclick = function() { 307 myLightbox.changeImage(activeImage - 1); return false; 308 } 309 } 310 if(activeImage != (imageArray.length - 1)){ 311 Element.show('nextLink'); 312 document.getElementById('nextLink').onclick = function() { 313 myLightbox.changeImage(activeImage + 1); return false; 314 } 315 } 316 this.enableKeyboardNav(); 317 }, 318 enableKeyboardNav: function() { 319 document.onkeydown = this.keyboardAction; 320 }, 321 disableKeyboardNav: function() { 322 document.onkeydown = ''; 323 }, 324 keyboardAction: function(e) { 325 if (e == null) { // ie 326 keycode = event.keyCode; 327 escapeKey = 27; 328 } else { // mozilla 329 keycode = e.keyCode; 330 escapeKey = e.DOM_VK_ESCAPE; 331 } 332 333 key = String.fromCharCode(keycode).toLowerCase(); 334 335 if((key == 'x') || (key == 'o') || (key == 'c') || (keycode == escapeKey)){ // close lightbox 336 myLightbox.end(); 337 } else if((key == 'p') || (keycode == 37)){ // display previous image 338 if(activeImage != 0){ 339 myLightbox.disableKeyboardNav(); 340 myLightbox.changeImage(activeImage - 1); 341 } 342 } else if((key == 'n') || (keycode == 39)){ // display next image 343 if(activeImage != (imageArray.length - 1)){ 344 myLightbox.disableKeyboardNav(); 345 myLightbox.changeImage(activeImage + 1); 346 } 347 } 348 349 }, 350 preloadNeighborImages: function(){ 351 352 if((imageArray.length - 1) > activeImage){ 353 preloadNextImage = new Image(); 354 preloadNextImage.src = imageArray[activeImage + 1][0]; 355 } 356 if(activeImage > 0){ 357 preloadPrevImage = new Image(); 358 preloadPrevImage.src = imageArray[activeImage - 1][0]; 359 } 360 361 }, 362 363 end: function() { 364 this.disableKeyboardNav(); 365 Element.hide('lightbox'); 366 new Effect.Fade('overlay', { duration: overlayDuration}); 367 showSelectBoxes(); 368 showFlash(); 369 } 370} 371function getPageScroll(){ 372 373 var xScroll, yScroll; 374 375 if (self.pageYOffset) { 376 yScroll = self.pageYOffset; 377 xScroll = self.pageXOffset; 378 } else if (document.documentElement && document.documentElement.scrollTop){ // Explorer 6 Strict 379 yScroll = document.documentElement.scrollTop; 380 xScroll = document.documentElement.scrollLeft; 381 } else if (document.body) {// all other Explorers 382 yScroll = document.body.scrollTop; 383 xScroll = document.body.scrollLeft; 384 } 385 386 arrayPageScroll = new Array(xScroll,yScroll) 387 return arrayPageScroll; 388} 389function getPageSize(){ 390 391 var xScroll, yScroll; 392 393 if (window.innerHeight && window.scrollMaxY) { 394 xScroll = window.innerWidth + window.scrollMaxX; 395 yScroll = window.innerHeight + window.scrollMaxY; 396 } else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac 397 xScroll = document.body.scrollWidth; 398 yScroll = document.body.scrollHeight; 399 } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari 400 xScroll = document.body.offsetWidth; 401 yScroll = document.body.offsetHeight; 402 } 403 404 var windowWidth, windowHeight;
405 if (self.innerHeight) { // all except Explorer 406 if(document.documentElement.clientWidth){ 407 windowWidth = document.documentElement.clientWidth; 408 } else { 409 windowWidth = self.innerWidth; 410 } 411 windowHeight = self.innerHeight; 412 } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode 413 windowWidth = document.documentElement.clientWidth; 414 windowHeight = document.documentElement.clientHeight; 415 } else if (document.body) { // other Explorers 416 windowWidth = document.body.clientWidth; 417 windowHeight = document.body.clientHeight; 418 } 419 if(yScroll < windowHeight){ 420 pageHeight = windowHeight; 421 } else { 422 pageHeight = yScroll; 423 } 424 if(xScroll < windowWidth){ 425 pageWidth = xScroll; 426 } else { 427 pageWidth = windowWidth; 428 } 429 arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 430 return arrayPageSize; 431} 432function getKey(e){ 433 if (e == null) { // ie 434 keycode = event.keyCode; 435 } else { // mozilla 436 keycode = e.which; 437 } 438 key = String.fromCharCode(keycode).toLowerCase(); 439 440 if(key == 'x'){ 441 } 442} 443function listenKey () { document.onkeypress = getKey; } 444function showSelectBoxes(){ 445 var selects = document.getElementsByTagName("select"); 446 for (i = 0; i != selects.length; i++) { 447 selects[i].style.visibility = "visible"; 448 } 449} 450function hideSelectBoxes(){ 451 var selects = document.getElementsByTagName("select"); 452 for (i = 0; i != selects.length; i++) { 453 selects[i].style.visibility = "hidden"; 454 } 455} 456function showFlash(){ 457 var flashObjects = document.getElementsByTagName("object"); 458 for (i = 0; i < flashObjects.length; i++) { 459 flashObjects[i].style.visibility = "visible"; 460 } 461 462 var flashEmbeds = document.getElementsByTagName("embed"); 463 for (i = 0; i < flashEmbeds.length; i++) { 464 flashEmbeds[i].style.visibility = "visible"; 465 } 466} 467function hideFlash(){ 468 var flashObjects = document.getElementsByTagName("object"); 469 for (i = 0; i < flashObjects.length; i++) { 470 flashObjects[i].style.visibility = "hidden"; 471 } 472 473 var flashEmbeds = document.getElementsByTagName("embed"); 474 for (i = 0; i < flashEmbeds.length; i++) { 475 flashEmbeds[i].style.visibility = "hidden"; 476 } 477 478} 479function pause(ms){ 480 var date = new Date(); 481 curDate = null; 482 do{var curDate = new Date();} 483 while( curDate - date < ms); 484} 485 486function initLightbox() { myLightbox = new Lightbox(); } 487Event.observe(window, 'load', initLightbox, false);
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.