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var supportAbort = (/rident/).test(ua) || ((/ecko/).test(ua) && ua.match(/rv\:(\d+)/) && RegExp.$1 > 35 ); var curSrcProp = "currentSrc"; var regWDesc = /\s+\+?\d+(e\d+)?w/; var regSize = /(\([^)]+\))?\s*(.+)/; var setOptions = window.picturefillCFG; /** * Shortcut property for https://w3c.github.io/webappsec/specs/mixedcontent/#restricts-mixed-content ( for easy overriding in tests ) */ // baseStyle also used by getEmValue (i.e.: width: 1em is important) var baseStyle = "position:absolute;left:0;visibility:hidden;display:block;padding:0;border:none;font-size:1em;width:1em;overflow:hidden;clip:rect(0px, 0px, 0px, 0px)"; var fsCss = "font-size:100%!important;"; var isVwDirty = true; var cssCache = {}; var sizeLengthCache = {}; var DPR = window.devicePixelRatio; var units = { px: 1, "in": 96 }; var anchor = document.createElement("a"); /** * alreadyRun flag used for setOptions. is it true setOptions will reevaluate * @type {boolean} */ var alreadyRun = false; // Reusable, non-"g" Regexes // (Don't use \s, to avoid matching non-breaking space.) var regexLeadingSpaces = /^[ \t\n\r\u000c]+/, regexLeadingCommasOrSpaces = /^[, \t\n\r\u000c]+/, regexLeadingNotSpaces = /^[^ \t\n\r\u000c]+/, regexTrailingCommas = /[,]+$/, regexNonNegativeInteger = /^\d+$/, // ( Positive or negative or unsigned integers or decimals, without or without exponents. // Must include at least one digit. // According to spec tests any decimal point must be followed by a digit. // No leading plus sign is allowed.) // https://html.spec.whatwg.org/multipage/infrastructure.html#valid-floating-point-number regexFloatingPoint = /^-?(?:[0-9]+|[0-9]*\.[0-9]+)(?:[eE][+-]?[0-9]+)?$/; var on = function (obj, evt, fn, capture) { if (obj.addEventListener) { obj.addEventListener(evt, fn, capture || false); } else if (obj.attachEvent) { obj.attachEvent("on" + evt, fn); } }; /** * simple memoize function: */ var memoize = function (fn) { var cache = {}; return function (input) { if (!(input in cache)) { cache[input] = fn(input); } return cache[input]; }; }; // UTILITY FUNCTIONS // Manual is faster than RegEx // http://jsperf.com/whitespace-character/5 function isSpace(c) { return (c === "\u0020" || // space c === "\u0009" || // horizontal tab c === "\u000A" || // new line c === "\u000C" || // form feed c === "\u000D"); // carriage return } /** * gets a mediaquery and returns a boolean or gets a css length and returns a number * @param css mediaqueries or css length * @returns {boolean|number} * * based on: https://gist.github.com/jonathantneal/db4f77009b155f083738 */ var evalCSS = (function () { var regLength = /^([\d\.]+)(em|vw|px)$/; var replace = function () { var args = arguments, index = 0, string = args[0]; while (++index in args) { string = string.replace(args[index], args[++index]); } return string; }; var buildStr = memoize(function (css) { return "return " + replace((css || "").toLowerCase(), // interpret `and` /\band\b/g, "&&", // interpret `,` /,/g, "||", // interpret `min-` as >= /min-([a-z-\s]+):/g, "e.$1>=", // interpret `max-` as <= /max-([a-z-\s]+):/g, "e.$1<=", //calc value /calc([^)]+)/g, "($1)", // interpret css values /(\d+[\.]*[\d]*)([a-z]+)/g, "($1 * e.$2)", //make eval less evil /^(?!(e.[a-z]|[0-9\.&=|><\+\-\*\(\)\/])).*/ig, "" ) + ";"; }); return function (css, length) { var parsedLength; if (!(css in cssCache)) { cssCache[css] = false; if (length && (parsedLength = css.match(regLength))) { cssCache[css] = parsedLength[1] * units[parsedLength[2]]; } else { /*jshint evil:true */ try { cssCache[css] = new Function("e", buildStr(css))(units); } catch (e) { } /*jshint evil:false */ } } return cssCache[css]; }; })(); var setResolution = function (candidate, sizesattr) { if (candidate.w) { // h = means height: || descriptor.type === 'h' do not handle yet... candidate.cWidth = pf.calcListLength(sizesattr || "100vw"); candidate.res = candidate.w / candidate.cWidth; } else { candidate.res = candidate.d; } return candidate; }; /** * * @param opt */ var picturefill = function (opt) { if (!isSupportTestReady) { return; } var elements, i, plen; var options = opt || {}; if (options.elements && options.elements.nodeType === 1) { if (options.elements.nodeName.toUpperCase() === "IMG") { options.elements = [options.elements]; } else { options.context = options.elements; options.elements = null; } } elements = options.elements || pf.qsa((options.context || document), ( options.reevaluate || options.reselect ) ? pf.sel : pf.selShort); if ((plen = elements.length)) { pf.setupRun(options); alreadyRun = true; // Loop through all elements for (i = 0; i < plen; i++) { pf.fillImg(elements[i], options); } pf.teardownRun(options); } }; /** * outputs a warning for the developer * @param {message} * @type {Function} */ warn = ( window.console && console.warn ) ? function (message) { console.warn(message); } : noop ; if (!(curSrcProp in image)) { curSrcProp = "src"; } // Add support for standard mime types. types["image/jpeg"] = true; types["image/gif"] = true; types["image/png"] = true; function detectTypeSupport(type, typeUri) { // based on Modernizr's lossless img-webp test // note: asynchronous var image = new window.Image(); image.onerror = function () { types[type] = false; picturefill(); }; image.onload = function () { types[type] = image.width === 1; picturefill(); }; image.src = typeUri; return "pending"; } // test svg support types["image/svg+xml"] = document.implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#Image", "1.1"); /** * updates the internal vW property with the current viewport width in px */ function updateMetrics() { isVwDirty = false; DPR = window.devicePixelRatio; cssCache = {}; sizeLengthCache = {}; pf.DPR = DPR || 1; units.width = Math.max(window.innerWidth || 0, docElem.clientWidth); units.height = Math.max(window.innerHeight || 0, docElem.clientHeight); units.vw = units.width / 100; units.vh = units.height / 100; evalId = [units.height, units.width, DPR].join("-"); units.em = pf.getEmValue(); units.rem = units.em; } function chooseLowRes(lowerValue, higherValue, dprValue, isCached) { var bonusFactor, tooMuch, bonus, meanDensity; //experimental if (cfg.algorithm === "saveData") { if (lowerValue > 2.7) { meanDensity = dprValue + 1; } else { tooMuch = higherValue - dprValue; bonusFactor = Math.pow(lowerValue - 0.6, 1.5); bonus = tooMuch * bonusFactor; if (isCached) { bonus += 0.1 * bonusFactor; } meanDensity = lowerValue + bonus; } } else { meanDensity = (dprValue > 1) ? Math.sqrt(lowerValue * higherValue) : lowerValue; } return meanDensity > dprValue; } function applyBestCandidate(img) { var srcSetCandidates; var matchingSet = pf.getSet(img); var evaluated = false; if (matchingSet !== "pending") { evaluated = evalId; if (matchingSet) { srcSetCandidates = pf.setRes(matchingSet); pf.applySetCandidate(srcSetCandidates, img); } } img[pf.ns].evaled = evaluated; } function ascendingSort(a, b) { return a.res - b.res; } function setSrcToCur(img, src, set) { var candidate; if (!set && src) { set = img[pf.ns].sets; set = set && set[set.length - 1]; } candidate = getCandidateForSrc(src, set); if (candidate) { src = pf.makeUrl(src); img[pf.ns].curSrc = src; img[pf.ns].curCan = candidate; if (!candidate.res) { setResolution(candidate, candidate.set.sizes); } } return candidate; } function getCandidateForSrc(src, set) { var i, candidate, candidates; if (src && set) { candidates = pf.parseSet(set); src = pf.makeUrl(src); for (i = 0; i < candidates.length; i++) { if (src === pf.makeUrl(candidates[i].url)) { candidate = candidates[i]; break; } } } return candidate; } function getAllSourceElements(picture, candidates) { var i, len, source, srcset; // SPEC mismatch intended for size and perf: // actually only source elements preceding the img should be used // also note: don't use qsa here, because IE8 sometimes doesn't like source as the key part in a selector var sources = picture.getElementsByTagName("source"); for (i = 0, len = sources.length; i < len; i++) { source = sources[i]; source[pf.ns] = true; srcset = source.getAttribute("srcset"); // if source does not have a srcset attribute, skip if (srcset) { candidates.push({ srcset: srcset, media: source.getAttribute("media"), type: source.getAttribute("type"), sizes: source.getAttribute("sizes") }); } } } /** * Srcset Parser * By Alex Bell | MIT License * * @returns Array [{url: _, d: _, w: _, h:_, set:_(????)}, ...] * * Based super duper closely on the reference algorithm at: * https://html.spec.whatwg.org/multipage/embedded-content.html#parse-a-srcset-attribute */ // 1. Let input be the value passed to this algorithm. // (TO-DO : Explain what "set" argument is here. Maybe choose a more // descriptive & more searchable name. Since passing the "set" in really has // nothing to do with parsing proper, I would prefer this assignment eventually // go in an external fn.) function parseSrcset(input, set) { function collectCharacters(regEx) { var chars, match = regEx.exec(input.substring(pos)); if (match) { chars = match[0]; pos += chars.length; return chars; } } var inputLength = input.length, url, descriptors, currentDescriptor, state, c, // 2. Let position be a pointer into input, initially pointing at the start // of the string. pos = 0, // 3. Let candidates be an initially empty source set. candidates = []; /** * Adds descriptor properties to a candidate, pushes to the candidates array * @return undefined */ // (Declared outside of the while loop so that it's only created once. // (This fn is defined before it is used, in order to pass JSHINT. // Unfortunately this breaks the sequencing of the spec comments. :/ ) function parseDescriptors() { // 9. Descriptor parser: Let error be no. var pError = false, // 10. Let width be absent. // 11. Let density be absent. // 12. Let future-compat-h be absent. (We're implementing it now as h) w, d, h, i, candidate = {}, desc, lastChar, value, intVal, floatVal; // 13. For each descriptor in descriptors, run the appropriate set of steps // from the following list: for (i = 0; i < descriptors.length; i++) { desc = descriptors[i]; lastChar = desc[desc.length - 1]; value = desc.substring(0, desc.length - 1); intVal = parseInt(value, 10); floatVal = parseFloat(value); // If the descriptor consists of a valid non-negative integer followed by // a U+0077 LATIN SMALL LETTER W character if (regexNonNegativeInteger.test(value) && (lastChar === "w")) { // If width and density are not both absent, then let error be yes. if (w || d) { pError = true; } // Apply the rules for parsing non-negative integers to the descriptor. // If the result is zero, let error be yes. // Otherwise, let width be the result. if (intVal === 0) { pError = true; } else { w = intVal; } // If the descriptor consists of a valid floating-point number followed by // a U+0078 LATIN SMALL LETTER X character } else if (regexFloatingPoint.test(value) && (lastChar === "x")) { // If width, density and future-compat-h are not all absent, then let error // be yes. if (w || d || h) { pError = true; } // Apply the rules for parsing floating-point number values to the descriptor. // If the result is less than zero, let error be yes. Otherwise, let density // be the result. if (floatVal < 0) { pError = true; } else { d = floatVal; } // If the descriptor consists of a valid non-negative integer followed by // a U+0068 LATIN SMALL LETTER H character } else if (regexNonNegativeInteger.test(value) && (lastChar === "h")) { // If height and density are not both absent, then let error be yes. if (h || d) { pError = true; } // Apply the rules for parsing non-negative integers to the descriptor. // If the result is zero, let error be yes. Otherwise, let future-compat-h // be the result. if (intVal === 0) { pError = true; } else { h = intVal; } // Anything else, Let error be yes. } else { pError = true; } } // (close step 13 for loop) // 15. If error is still no, then append a new image source to candidates whose // URL is url, associated with a width width if not absent and a pixel // density density if not absent. Otherwise, there is a parse error. if (!pError) { candidate.url = url; if (w) { candidate.w = w; } if (d) { candidate.d = d; } if (h) { candidate.h = h; } if (!h && !d && !w) { candidate.d = 1; } if (candidate.d === 1) { set.has1x = true; } candidate.set = set; candidates.push(candidate); } } // (close parseDescriptors fn) /** * Tokenizes descriptor properties prior to parsing * Returns undefined. * (Again, this fn is defined before it is used, in order to pass JSHINT. * Unfortunately this breaks the logical sequencing of the spec comments. :/ ) */ function tokenize() { // 8.1. Descriptor tokeniser: Skip whitespace collectCharacters(regexLeadingSpaces); // 8.2. Let current descriptor be the empty string. currentDescriptor = ""; // 8.3. Let state be in descriptor. state = "in descriptor"; while (true) { // 8.4. Let c be the character at position. c = input.charAt(pos); // Do the following depending on the value of state. // For the purpose of this step, "EOF" is a special character representing // that position is past the end of input. // In descriptor if (state === "in descriptor") { // Do the following, depending on the value of c: // Space character // If current descriptor is not empty, append current descriptor to // descriptors and let current descriptor be the empty string. // Set state to after descriptor. if (isSpace(c)) { if (currentDescriptor) { descriptors.push(currentDescriptor); currentDescriptor = ""; state = "after descriptor"; } // U+002C COMMA (,) // Advance position to the next character in input. If current descriptor // is not empty, append current descriptor to descriptors. Jump to the step // labeled descriptor parser. } else if (c === ",") { pos += 1; if (currentDescriptor) { descriptors.push(currentDescriptor); } parseDescriptors(); return; // U+0028 LEFT PARENTHESIS (() // Append c to current descriptor. Set state to in parens. } else if (c === "\u0028") { currentDescriptor = currentDescriptor + c; state = "in parens"; // EOF // If current descriptor is not empty, append current descriptor to // descriptors. Jump to the step labeled descriptor parser. } else if (c === "") { if (currentDescriptor) { descriptors.push(currentDescriptor); } parseDescriptors(); return; // Anything else // Append c to current descriptor. } else { currentDescriptor = currentDescriptor + c; } // (end "in descriptor" // In parens } else if (state === "in parens") { // U+0029 RIGHT PARENTHESIS ()) // Append c to current descriptor. Set state to in descriptor. if (c === ")") { currentDescriptor = currentDescriptor + c; state = "in descriptor"; // EOF // Append current descriptor to descriptors. Jump to the step labeled // descriptor parser. } else if (c === "") { descriptors.push(currentDescriptor); parseDescriptors(); return; // Anything else // Append c to current descriptor. } else { currentDescriptor = currentDescriptor + c; } // After descriptor } else if (state === "after descriptor") { // Do the following, depending on the value of c: // Space character: Stay in this state. if (isSpace(c)) { // EOF: Jump to the step labeled descriptor parser. } else if (c === "") { parseDescriptors(); return; // Anything else // Set state to in descriptor. Set position to the previous character in input. } else { state = "in descriptor"; pos -= 1; } } // Advance position to the next character in input. pos += 1; // Repeat this step. } // (close while true loop) } // 4. Splitting loop: Collect a sequence of characters that are space // characters or U+002C COMMA characters. If any U+002C COMMA characters // were collected, that is a parse error. while (true) { collectCharacters(regexLeadingCommasOrSpaces); // 5. If position is past the end of input, return candidates and abort these steps. if (pos >= inputLength) { return candidates; // (we're done, this is the sole return path) } // 6. Collect a sequence of characters that are not space characters, // and let that be url. url = collectCharacters(regexLeadingNotSpaces); // 7. Let descriptors be a new empty list. descriptors = []; // 8. If url ends with a U+002C COMMA character (,), follow these substeps: // (1). Remove all trailing U+002C COMMA characters from url. If this removed // more than one character, that is a parse error. if (url.slice(-1) === ",") { url = url.replace(regexTrailingCommas, ""); // (Jump ahead to step 9 to skip tokenization and just push the candidate). parseDescriptors(); // Otherwise, follow these substeps: } else { tokenize(); } // (close else of step 8) // 16. Return to the step labeled splitting loop. } // (Close of big while loop.) } /* * Sizes Parser * * By Alex Bell | MIT License * * Non-strict but accurate and lightweight JS Parser for the string value <img sizes="here"> * * Reference algorithm at: * https://html.spec.whatwg.org/multipage/embedded-content.html#parse-a-sizes-attribute * * Most comments are copied in directly from the spec * (except for comments in parens). * * Grammar is: * <source-size-list> = <source-size># [ , <source-size-value> ]? | <source-size-value> * <source-size> = <media-condition> <source-size-value> * <source-size-value> = <length> * http://www.w3.org/html/wg/drafts/html/master/embedded-content.html#attr-img-sizes * * E.g. "(max-width: 30em) 100vw, (max-width: 50em) 70vw, 100vw" * or "(min-width: 30em), calc(30vw - 15px)" or just "30vw" * * Returns the first valid <css-length> with a media condition that evaluates to true, * or "100vw" if all valid media conditions evaluate to false. * */ function parseSizes(strValue) { // (Percentage CSS lengths are not allowed in this case, to avoid confusion: // https://html.spec.whatwg.org/multipage/embedded-content.html#valid-source-size-list // CSS allows a single optional plus or minus sign: // http://www.w3.org/TR/CSS2/syndata.html#numbers // CSS is ASCII case-insensitive: // http://www.w3.org/TR/CSS2/syndata.html#characters ) // Spec allows exponential notation for <number> type: // http://dev.w3.org/csswg/css-values/#numbers var regexCssLengthWithUnits = /^(?:[+-]?[0-9]+|[0-9]*\.[0-9]+)(?:[eE][+-]?[0-9]+)?(?:ch|cm|em|ex|in|mm|pc|pt|px|rem|vh|vmin|vmax|vw)$/i; // (This is a quick and lenient test. Because of optional unlimited-depth internal // grouping parens and strict spacing rules, this could get very complicated.) var regexCssCalc = /^calc\((?:[0-9a-z \.\+\-\*\/\(\)]+)\)$/i; var i; var unparsedSizesList; var unparsedSizesListLength; var unparsedSize; var lastComponentValue; var size; // UTILITY FUNCTIONS // (Toy CSS parser. The goals here are: // 1) expansive test coverage without the weight of a full CSS parser. // 2) Avoiding regex wherever convenient. // Quick tests: http://jsfiddle.net/gtntL4gr/3/ // Returns an array of arrays.) function parseComponentValues(str) { var chrctr; var component = ""; var componentArray = []; var listArray = []; var parenDepth = 0; var pos = 0; var inComment = false; function pushComponent() { if (component) { componentArray.push(component); component = ""; } } function pushComponentArray() { if (componentArray[0]) { listArray.push(componentArray); componentArray = []; } } // (Loop forwards from the beginning of the string.) while (true) { chrctr = str.charAt(pos); if (chrctr === "") { // ( End of string reached.) pushComponent(); pushComponentArray(); return listArray; } else if (inComment) { if ((chrctr === "*") && (str[pos + 1] === "/")) { // (At end of a comment.) inComment = false; pos += 2; pushComponent(); continue; } else { pos += 1; // (Skip all characters inside comments.) continue; } } else if (isSpace(chrctr)) { // (If previous character in loop was also a space, or if // at the beginning of the string, do not add space char to // component.) if ((str.charAt(pos - 1) && isSpace(str.charAt(pos - 1)) ) || !component) { pos += 1; continue; } else if (parenDepth === 0) { pushComponent(); pos += 1; continue; } else { // (Replace any space character with a plain space for legibility.) chrctr = " "; } } else if (chrctr === "(") { parenDepth += 1; } else if (chrctr === ")") { parenDepth -= 1; } else if (chrctr === ",") { pushComponent(); pushComponentArray(); pos += 1; continue; } else if ((chrctr === "/") && (str.charAt(pos + 1) === "*")) { inComment = true; pos += 2; continue; } component = component + chrctr; pos += 1; } } function isValidNonNegativeSourceSizeValue(s) { if (regexCssLengthWithUnits.test(s) && (parseFloat(s) >= 0)) { return true; } if (regexCssCalc.test(s)) { return true; } // ( http://www.w3.org/TR/CSS2/syndata.html#numbers says: // "-0 is equivalent to 0 and is not a negative number." which means that // unitless zero and unitless negative zero must be accepted as special cases.) if ((s === "0") || (s === "-0") || (s === "+0")) { return true; } return false; } // When asked to parse a sizes attribute from an element, parse a // comma-separated list of component values from the value of the element's // sizes attribute (or the empty string, if the attribute is absent), and let // unparsed sizes list be the result. // http://dev.w3.org/csswg/css-syntax/#parse-comma-separated-list-of-component-values unparsedSizesList = parseComponentValues(strValue); unparsedSizesListLength = unparsedSizesList.length; // For each unparsed size in unparsed sizes list: for (i = 0; i < unparsedSizesListLength; i++) { unparsedSize = unparsedSizesList[i]; // 1. Remove all consecutive <whitespace-token>s from the end of unparsed size. // ( parseComponentValues() already omits spaces outside of parens. ) // If unparsed size is now empty, that is a parse error; continue to the next // iteration of this algorithm. // ( parseComponentValues() won't push an empty array. ) // 2. If the last component value in unparsed size is a valid non-negative // <source-size-value>, let size be its value and remove the component value // from unparsed size. Any CSS function other than the calc() function is // invalid. Otherwise, there is a parse error; continue to the next iteration // of this algorithm. // http://dev.w3.org/csswg/css-syntax/#parse-component-value lastComponentValue = unparsedSize[unparsedSize.length - 1]; if (isValidNonNegativeSourceSizeValue(lastComponentValue)) { size = lastComponentValue; unparsedSize.pop(); } else { continue; } // 3. Remove all consecutive <whitespace-token>s from the end of unparsed // size. If unparsed size is now empty, return size and exit this algorithm. // If this was not the last item in unparsed sizes list, that is a parse error. if (unparsedSize.length === 0) { return size; } // 4. Parse the remaining component values in unparsed size as a // <media-condition>. If it does not parse correctly, or it does parse // correctly but the <media-condition> evaluates to false, continue to the // next iteration of this algorithm. // (Parsing all possible compound media conditions in JS is heavy, complicated, // and the payoff is unclear. Is there ever an situation where the // media condition parses incorrectly but still somehow evaluates to true? // Can we just rely on the browser/polyfill to do it?) unparsedSize = unparsedSize.join(" "); if (!(pf.matchesMedia(unparsedSize) )) { continue; } // 5. Return size and exit this algorithm. return size; } // If the above algorithm exhausts unparsed sizes list without returning a // size value, return 100vw. return "100vw"; } // namespace pf.ns = ("pf" + new Date().getTime()).substr(0, 9); // srcset support test pf.supSrcset = "srcset" in image; pf.supSizes = "sizes" in image; pf.supPicture = !!window.HTMLPictureElement; // UC browser does claim to support srcset and picture, but not sizes, // this extended test reveals the browser does support nothing if (pf.supSrcset && pf.supPicture && !pf.supSizes) { (function (image2) { image.srcset = "data:,a"; image2.src = "data:,a"; pf.supSrcset = image.complete === image2.complete; pf.supPicture = pf.supSrcset && pf.supPicture; })(document.createElement("img")); } // Safari9 has basic support for sizes, but does't expose the `sizes` idl attribute if (pf.supSrcset && !pf.supSizes) { (function () { var width2 = "data:image/gif;base64,R0lGODlhAgABAPAAAP///wAAACH5BAAAAAAALAAAAAACAAEAAAICBAoAOw=="; var width1 = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="; var img = document.createElement("img"); var test = function () { var width = img.width; if (width === 2) { pf.supSizes = true; } alwaysCheckWDescriptor = pf.supSrcset && !pf.supSizes; isSupportTestReady = true; // force async setTimeout(picturefill); }; img.onload = test; img.onerror = test; img.setAttribute("sizes", "9px"); img.srcset = width1 + " 1w," + width2 + " 9w"; img.src = width1; })(); } else { isSupportTestReady = true; } // using pf.qsa instead of dom traversing does scale much better, // especially on sites mixing responsive and non-responsive images pf.selShort = "picture>img,img[srcset]"; pf.sel = pf.selShort; pf.cfg = cfg; /** * Shortcut property for `devicePixelRatio` ( for easy overriding in tests ) */ pf.DPR = (DPR || 1 ); pf.u = units; // container of supported mime types that one might need to qualify before using pf.types = types; pf.setSize = noop; /** * Gets a string and returns the absolute URL * @param src * @returns {String} absolute URL */ pf.makeUrl = memoize(function (src) { anchor.href = src; return anchor.href; }); /** * Gets a DOM element or document and a selctor and returns the found matches * Can be extended with jQuery/Sizzle for IE7 support * @param context * @param sel * @returns {NodeList|Array} */ pf.qsa = function (context, sel) { return ( "querySelector" in context ) ? context.querySelectorAll(sel) : []; }; /** * Shortcut method for matchMedia ( for easy overriding in tests ) * wether native or pf.mMQ is used will be decided lazy on first call * @returns {boolean} */ pf.matchesMedia = function () { if (window.matchMedia && (matchMedia("(min-width: 0.1em)") || {}).matches) { pf.matchesMedia = function (media) { return !media || ( matchMedia(media).matches ); }; } else { pf.matchesMedia = pf.mMQ; } return pf.matchesMedia.apply(this, arguments); }; /** * A simplified matchMedia implementation for IE8 and IE9 * handles only min-width/max-width with px or em values * @param media * @returns {boolean} */ pf.mMQ = function (media) { return media ? evalCSS(media) : true; }; /** * Returns the calculated length in css pixel from the given sourceSizeValue * http://dev.w3.org/csswg/css-values-3/#length-value * intended Spec mismatches: * * Does not check for invalid use of CSS functions * * Does handle a computed length of 0 the same as a negative and therefore invalid value * @param sourceSizeValue * @returns {Number} */ pf.calcLength = function (sourceSizeValue) { var value = evalCSS(sourceSizeValue, true) || false; if (value < 0) { value = false; } return value; }; /** * Takes a type string and checks if its supported */ pf.supportsType = function (type) { return ( type ) ? types[type] : true; }; /** * Parses a sourceSize into mediaCondition (media) and sourceSizeValue (length) * @param sourceSizeStr * @returns {*} */ pf.parseSize = memoize(function (sourceSizeStr) { var match = ( sourceSizeStr || "" ).match(regSize); return { media: match && match[1], length: match && match[2] }; }); pf.parseSet = function (set) { if (!set.cands) { set.cands = parseSrcset(set.srcset, set); } return set.cands; }; /** * returns 1em in css px for html/body default size * function taken from respondjs * @returns {*|number} */ pf.getEmValue = function () { var body; if (!eminpx && (body = document.body)) { var div = document.createElement("div"), originalHTMLCSS = docElem.style.cssText, originalBodyCSS = body.style.cssText; div.style.cssText = baseStyle; // 1em in a media query is the value of the default font size of the browser // reset docElem and body to ensure the correct value is returned docElem.style.cssText = fsCss; body.style.cssText = fsCss; body.appendChild(div); eminpx = div.offsetWidth; body.removeChild(div); //also update eminpx before returning eminpx = parseFloat(eminpx, 10); // restore the original values docElem.style.cssText = originalHTMLCSS; body.style.cssText = originalBodyCSS; } return eminpx || 16; }; /** * Takes a string of sizes and returns the width in pixels as a number */ pf.calcListLength = function (sourceSizeListStr) { // Split up source size list, ie ( max-width: 30em ) 100%, ( max-width: 50em ) 50%, 33% // // or (min-width:30em) calc(30% - 15px) if (!(sourceSizeListStr in sizeLengthCache) || cfg.uT) { var winningLength = pf.calcLength(parseSizes(sourceSizeListStr)); sizeLengthCache[sourceSizeListStr] = !winningLength ? units.width : winningLength; } return sizeLengthCache[sourceSizeListStr]; }; /** * Takes a candidate object with a srcset property in the form of url/ * ex. "images/pic-medium.png 1x, images/pic-medium-2x.png 2x" or * "images/pic-medium.png 400w, images/pic-medium-2x.png 800w" or * "images/pic-small.png" * Get an array of image candidates in the form of * {url: "/foo/bar.png", resolution: 1} * where resolution is http://dev.w3.org/csswg/css-values-3/#resolution-value * If sizes is specified, res is calculated */ pf.setRes = function (set) { var candidates; if (set) { candidates = pf.parseSet(set); for (var i = 0, len = candidates.length; i < len; i++) { setResolution(candidates[i], set.sizes); } } return candidates; }; pf.setRes.res = setResolution; pf.applySetCandidate = function (candidates, img) { if (!candidates.length) { return; } var candidate, i, j, length, bestCandidate, curSrc, curCan, candidateSrc, abortCurSrc; var imageData = img[pf.ns]; var dpr = pf.DPR; curSrc = imageData.curSrc || img[curSrcProp]; curCan = imageData.curCan || setSrcToCur(img, curSrc, candidates[0].set); // if we have a current source, we might either become lazy or give this source some advantage if (curCan && curCan.set === candidates[0].set) { // if browser can abort image request and the image has a higher pixel density than needed // and this image isn't downloaded yet, we skip next part and try to save bandwidth abortCurSrc = (supportAbort && !img.complete && curCan.res - 0.1 > dpr); if (!abortCurSrc) { curCan.cached = true; // if current candidate is "best", "better" or "okay", // set it to bestCandidate if (curCan.res >= dpr) { bestCandidate = curCan; } } } if (!bestCandidate) { candidates.sort(ascendingSort); length = candidates.length; bestCandidate = candidates[length - 1]; for (i = 0; i < length; i++) { candidate = candidates[i]; if (candidate.res >= dpr) { j = i - 1; // we have found the perfect candidate, // but let's improve this a little bit with some assumptions ;-) if (candidates[j] && (abortCurSrc || curSrc !== pf.makeUrl(candidate.url)) && chooseLowRes(candidates[j].res, candidate.res, dpr, candidates[j].cached)) { bestCandidate = candidates[j]; } else { bestCandidate = candidate; } break; } } } if (bestCandidate) { candidateSrc = pf.makeUrl(bestCandidate.url); imageData.curSrc = candidateSrc; imageData.curCan = bestCandidate; if (candidateSrc !== curSrc) { pf.setSrc(img, bestCandidate); } pf.setSize(img); } }; pf.setSrc = function (img, bestCandidate) { var origWidth; img.src = bestCandidate.url; // although this is a specific Safari issue, we don't want to take too much different code paths if (bestCandidate.set.type === "image/svg+xml") { origWidth = img.style.width; img.style.width = (img.offsetWidth + 1) + "px"; // next line only should trigger a repaint // if... is only done to trick dead code removal if (img.offsetWidth + 1) { img.style.width = origWidth; } } }; pf.getSet = function (img) { var i, set, supportsType; var match = false; var sets = img [pf.ns].sets; for (i = 0; i < sets.length && !match; i++) { set = sets[i]; if (!set.srcset || !pf.matchesMedia(set.media) || !(supportsType = pf.supportsType(set.type))) { continue; } if (supportsType === "pending") { set = supportsType; } match = set; break; } return match; }; pf.parseSets = function (element, parent, options) { var srcsetAttribute, imageSet, isWDescripor, srcsetParsed; var hasPicture = parent && parent.nodeName.toUpperCase() === "PICTURE"; var imageData = element[pf.ns]; if (imageData.src === undefined || options.src) { imageData.src = getImgAttr.call(element, "src"); if (imageData.src) { setImgAttr.call(element, srcAttr, imageData.src); } else { removeImgAttr.call(element, srcAttr); } } if (imageData.srcset === undefined || options.srcset || !pf.supSrcset || element.srcset) { srcsetAttribute = getImgAttr.call(element, "srcset"); imageData.srcset = srcsetAttribute; srcsetParsed = true; } imageData.sets = []; if (hasPicture) { imageData.pic = true; getAllSourceElements(parent, imageData.sets); } if (imageData.srcset) { imageSet = { srcset: imageData.srcset, sizes: getImgAttr.call(element, "sizes") }; imageData.sets.push(imageSet); isWDescripor = (alwaysCheckWDescriptor || imageData.src) && regWDesc.test(imageData.srcset || ""); // add normal src as candidate, if source has no w descriptor if (!isWDescripor && imageData.src && !getCandidateForSrc(imageData.src, imageSet) && !imageSet.has1x) { imageSet.srcset += ", " + imageData.src; imageSet.cands.push({ url: imageData.src, d: 1, set: imageSet }); } } else if (imageData.src) { imageData.sets.push({ srcset: imageData.src, sizes: null }); } imageData.curCan = null; imageData.curSrc = undefined; // if img has picture or the srcset was removed or has a srcset and does not support srcset at all // or has a w descriptor (and does not support sizes) set support to false to evaluate imageData.supported = !( hasPicture || ( imageSet && !pf.supSrcset ) || (isWDescripor && !pf.supSizes) ); if (srcsetParsed && pf.supSrcset && !imageData.supported) { if (srcsetAttribute) { setImgAttr.call(element, srcsetAttr, srcsetAttribute); element.srcset = ""; } else { removeImgAttr.call(element, srcsetAttr); } } if (imageData.supported && !imageData.srcset && ((!imageData.src && element.src) || element.src !== pf.makeUrl(imageData.src))) { if (imageData.src === null) { element.removeAttribute("src"); } else { element.src = imageData.src; } } imageData.parsed = true; }; pf.fillImg = function (element, options) { var imageData; var extreme = options.reselect || options.reevaluate; // expando for caching data on the img if (!element[pf.ns]) { element[pf.ns] = {}; } imageData = element[pf.ns]; // if the element has already been evaluated, skip it // unless `options.reevaluate` is set to true ( this, for example, // is set to true when running `picturefill` on `resize` ). if (!extreme && imageData.evaled === evalId) { return; } if (!imageData.parsed || options.reevaluate) { pf.parseSets(element, element.parentNode, options); } if (!imageData.supported) { applyBestCandidate(element); } else { imageData.evaled = evalId; } }; pf.setupRun = function () { if (!alreadyRun || isVwDirty || (DPR !== window.devicePixelRatio)) { updateMetrics(); } }; // If picture is supported, well, that's awesome. if (pf.supPicture) { picturefill = noop; pf.fillImg = noop; } else { // Set up picture polyfill by polling the document (function () { var isDomReady; var regReady = window.attachEvent ? /d$|^c/ : /d$|^c|^i/; var run = function () { var readyState = document.readyState || ""; timerId = setTimeout(run, readyState === "loading" ? 200 : 999); if (document.body) { pf.fillImgs(); isDomReady = isDomReady || regReady.test(readyState); if (isDomReady) { clearTimeout(timerId); } } }; var timerId = setTimeout(run, document.body ? 9 : 99); // Also attach picturefill on resize and readystatechange // http://modernjavascript.blogspot.com/2013/08/building-better-debounce.html var debounce = function (func, wait) { var timeout, timestamp; var later = function () { var last = (new Date()) - timestamp; if (last < wait) { timeout = setTimeout(later, wait - last); } else { timeout = null; func(); } }; return function () { timestamp = new Date(); if (!timeout) { timeout = setTimeout(later, wait); } }; }; var lastClientWidth = docElem.clientHeight; var onResize = function () { isVwDirty = Math.max(window.innerWidth || 0, docElem.clientWidth) !== units.width || docElem.clientHeight !== lastClientWidth; lastClientWidth = docElem.clientHeight; if (isVwDirty) { pf.fillImgs(); } }; on(window, "resize", debounce(onResize, 99)); on(document, "readystatechange", run); })(); } pf.picturefill = picturefill; //use this internally for easy monkey patching/performance testing pf.fillImgs = picturefill; pf.teardownRun = noop; /* expose methods for testing */ picturefill._ = pf; window.picturefillCFG = { pf: pf, push: function (args) { var name = args.shift(); if (typeof pf[name] === "function") { pf[name].apply(pf, args); } else { cfg[name] = args[0]; if (alreadyRun) { pf.fillImgs({reselect: true}); } } } }; while (setOptions && setOptions.length) { window.picturefillCFG.push(setOptions.shift()); } /* expose picturefill */ window.picturefill = picturefill; /* expose picturefill */ if (typeof module === "object" && typeof module.exports === "object") { // CommonJS, just export module.exports = picturefill; } else if (typeof define === "function" && define.amd) { // AMD support define("picturefill", function () { return picturefill; }); } // IE8 evals this sync, so it must be the last thing we do if (!pf.supPicture) { types["image/webp"] = detectTypeSupport("image/webp", "data:image/webp;base64,UklGRkoAAABXRUJQVlA4WAoAAAAQAAAAAAAAAAAAQUxQSAwAAAABBxAR/Q9ERP8DAABWUDggGAAAADABAJ0BKgEAAQADADQlpAADcAD++/1QAA=="); } })(window, document); /*! jQuery v2.2.0 | (c) jQuery Foundation | jquery.org/license */ !function(a,b){"object"==typeof module&&"object"==typeof module.exports?module.exports=a.document?b(a,!0):function(a){if(!a.document)throw new Error("jQuery requires a window with a document");return b(a)}:b(a)}("undefined"!=typeof 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// // // If the namespace has not been set (is undefined), try to read it out of the meta element. // Otherwise use the globally defined namespace, even if it's empty ('') var namespace = ( this.global.namespace === undefined ) ? $('.foundation-data-attribute-namespace').css('font-family') : this.global.namespace; // Finally, if the namsepace is either undefined or false, set it to an empty string. // Otherwise use the namespace value. this.global.namespace = ( namespace === undefined || /false/i.test(namespace) ) ? '' : namespace; }, libs : {}, // methods that can be inherited in libraries utils : { // Description: // Fast Selector wrapper returns jQuery object. Only use where getElementById // is not available. // // Arguments: // Selector (String): CSS selector describing the element(s) to be // returned as a jQuery object. // // Scope (String): CSS selector describing the area to be searched. Default // is document. // // Returns: // Element (jQuery Object): jQuery object containing elements matching the // selector within the scope. S : S, // Description: // Executes a function a max of once every n milliseconds // // Arguments: // Func (Function): Function to be throttled. // // Delay (Integer): Function execution threshold in milliseconds. // // Returns: // Lazy_function (Function): Function with throttling applied. throttle : function (func, delay) { var timer = null; return function () { var context = this, args = arguments; if (timer == null) { timer = setTimeout(function () { func.apply(context, args); timer = null; }, delay); } }; }, // Description: // Executes a function when it stops being invoked for n seconds // Modified version of _.debounce() http://underscorejs.org // // Arguments: // Func (Function): Function to be debounced. // // Delay (Integer): Function execution threshold in milliseconds. // // Immediate (Bool): Whether the function should be called at the beginning // of the delay instead of the end. Default is false. // // Returns: // Lazy_function (Function): Function with debouncing applied. debounce : function (func, delay, immediate) { var timeout, result; return function () { var context = this, args = arguments; var later = function () { timeout = null; if (!immediate) { result = func.apply(context, args); } }; var callNow = immediate && !timeout; clearTimeout(timeout); timeout = setTimeout(later, delay); if (callNow) { result = func.apply(context, args); } return result; }; }, // Description: // Parses data-options attribute // // Arguments: // El (jQuery Object): Element to be parsed. // // Returns: // Options (Javascript Object): Contents of the element's data-options // attribute. data_options : function (el, data_attr_name) { data_attr_name = data_attr_name || 'options'; var opts = {}, ii, p, opts_arr, data_options = function (el) { var namespace = Foundation.global.namespace; if (namespace.length > 0) { return el.data(namespace + '-' + data_attr_name); } return el.data(data_attr_name); }; var cached_options = data_options(el); if (typeof cached_options === 'object') { return cached_options; } opts_arr = (cached_options || ':').split(';'); ii = opts_arr.length; function isNumber (o) { return !isNaN (o - 0) && o !== null && o !== '' && o !== false && o !== true; } function trim (str) { if (typeof str === 'string') { return $.trim(str); } return str; } while (ii--) { p = opts_arr[ii].split(':'); p = [p[0], p.slice(1).join(':')]; if (/true/i.test(p[1])) { p[1] = true; } if (/false/i.test(p[1])) { p[1] = false; } if (isNumber(p[1])) { if (p[1].indexOf('.') === -1) { p[1] = parseInt(p[1], 10); } else { p[1] = parseFloat(p[1]); } } if (p.length === 2 && p[0].length > 0) { opts[trim(p[0])] = trim(p[1]); } } return opts; }, // Description: // Adds JS-recognizable media queries // // Arguments: // Media (String): Key string for the media query to be stored as in // Foundation.media_queries // // Class (String): Class name for the generated <meta> tag register_media : function (media, media_class) { if (Foundation.media_queries[media] === undefined) { $('head').append('<meta class="' + media_class + '"/>'); Foundation.media_queries[media] = removeQuotes($('.' + media_class).css('font-family')); } }, // Description: // Add custom CSS within a JS-defined media query // // Arguments: // Rule (String): CSS rule to be appended to the document. // // Media (String): Optional media query string for the CSS rule to be // nested under. add_custom_rule : function (rule, media) { if (media === undefined && Foundation.stylesheet) { Foundation.stylesheet.insertRule(rule, Foundation.stylesheet.cssRules.length); } else { var query = Foundation.media_queries[media]; if (query !== undefined) { Foundation.stylesheet.insertRule('@media ' + Foundation.media_queries[media] + '{ ' + rule + ' }'); } } }, // Description: // Performs a callback function when an image is fully loaded // // Arguments: // Image (jQuery Object): Image(s) to check if loaded. // // Callback (Function): Function to execute when image is fully loaded. image_loaded : function (images, callback) { var self = this, unloaded = images.length; if (unloaded === 0) { callback(images); } images.each(function () { single_image_loaded(self.S(this), function () { unloaded -= 1; if (unloaded === 0) { callback(images); } }); }); }, // Description: // Returns a random, alphanumeric string // // Arguments: // Length (Integer): Length of string to be generated. Defaults to random // integer. // // Returns: // Rand (String): Pseudo-random, alphanumeric string. random_str : function () { if (!this.fidx) { this.fidx = 0; } this.prefix = this.prefix || [(this.name || 'F'), (+new Date).toString(36)].join('-'); return this.prefix + (this.fidx++).toString(36); }, // Description: // Helper for window.matchMedia // // Arguments: // mq (String): Media query // // Returns: // (Boolean): Whether the media query passes or not match : function (mq) { return window.matchMedia(mq).matches; }, // Description: // Helpers for checking Foundation default media queries with JS // // Returns: // (Boolean): Whether the media query passes or not is_small_up : function () { return this.match(Foundation.media_queries.small); }, is_medium_up : function () { return this.match(Foundation.media_queries.medium); }, is_large_up : function () { return this.match(Foundation.media_queries.large); }, is_xlarge_up : function () { return this.match(Foundation.media_queries.xlarge); }, is_xxlarge_up : function () { return this.match(Foundation.media_queries.xxlarge); }, is_small_only : function () { return !this.is_medium_up() && !this.is_large_up() && !this.is_xlarge_up() && !this.is_xxlarge_up(); }, is_medium_only : function () { return this.is_medium_up() && !this.is_large_up() && !this.is_xlarge_up() && !this.is_xxlarge_up(); }, is_large_only : function () { return this.is_medium_up() && this.is_large_up() && !this.is_xlarge_up() && !this.is_xxlarge_up(); }, is_xlarge_only : function () { return this.is_medium_up() && this.is_large_up() && this.is_xlarge_up() && !this.is_xxlarge_up(); }, is_xxlarge_only : function () { return this.is_medium_up() && this.is_large_up() && this.is_xlarge_up() && this.is_xxlarge_up(); } } }; $.fn.foundation = function () { var args = Array.prototype.slice.call(arguments, 0); return this.each(function () { Foundation.init.apply(Foundation, [this].concat(args)); return this; }); }; }(jQuery, window, window.document)); ;(function ($, window, document, undefined) { 'use strict'; Foundation.libs.topbar = { name : 'topbar', version : '5.5.1', settings : { index : 0, sticky_class : 'sticky', custom_back_text : true, back_text : 'Back', mobile_show_parent_link : true, is_hover : true, scrolltop : true, // jump to top when sticky nav menu toggle is clicked sticky_on : 'all' }, init : function (section, method, options) { Foundation.inherit(this, 'add_custom_rule register_media throttle'); var self = this; self.register_media('topbar', 'foundation-mq-topbar'); this.bindings(method, options); self.S('[' + this.attr_name() + ']', this.scope).each(function () { var topbar = $(this), settings = topbar.data(self.attr_name(true) + '-init'), section = self.S('section, .top-bar-section', this); topbar.data('index', 0); var topbarContainer = topbar.parent(); if (topbarContainer.hasClass('fixed') || self.is_sticky(topbar, topbarContainer, settings) ) { self.settings.sticky_class = settings.sticky_class; self.settings.sticky_topbar = topbar; topbar.data('height', topbarContainer.outerHeight()); topbar.data('stickyoffset', topbarContainer.offset().top); } else { topbar.data('height', topbar.outerHeight()); } if (!settings.assembled) { self.assemble(topbar); } if (settings.is_hover) { self.S('.has-dropdown', topbar).addClass('not-click'); } else { self.S('.has-dropdown', topbar).removeClass('not-click'); } // Pad body when sticky (scrolled) or fixed. self.add_custom_rule('.f-topbar-fixed { padding-top: ' + topbar.data('height') + 'px }'); if (topbarContainer.hasClass('fixed')) { self.S('body').addClass('f-topbar-fixed'); } }); }, is_sticky : function (topbar, topbarContainer, settings) { var sticky = topbarContainer.hasClass(settings.sticky_class); var smallMatch = matchMedia(Foundation.media_queries.small).matches; var medMatch = matchMedia(Foundation.media_queries.medium).matches; var lrgMatch = matchMedia(Foundation.media_queries.large).matches; if (sticky && settings.sticky_on === 'all') { return true; } if (sticky && this.small() && settings.sticky_on.indexOf('small') !== -1) { if (smallMatch && !medMatch && !lrgMatch) { return true; } } if (sticky && this.medium() && settings.sticky_on.indexOf('medium') !== -1) { if (smallMatch && medMatch && !lrgMatch) { return true; } } if (sticky && this.large() && settings.sticky_on.indexOf('large') !== -1) { if (smallMatch && medMatch && lrgMatch) { return true; } } // fix for iOS browsers if (sticky && navigator.userAgent.match(/(iPad|iPhone|iPod)/g)) { return true; } return false; }, toggle : function (toggleEl) { var self = this, topbar; if (toggleEl) { topbar = self.S(toggleEl).closest('[' + this.attr_name() + ']'); } else { topbar = self.S('[' + this.attr_name() + ']'); } var settings = topbar.data(this.attr_name(true) + '-init'); var section = self.S('section, .top-bar-section', topbar); if (self.breakpoint()) { if (!self.rtl) { section.css({left : '0%'}); $('>.name', section).css({left : '100%'}); } else { section.css({right : '0%'}); $('>.name', section).css({right : '100%'}); } self.S('li.moved', section).removeClass('moved'); topbar.data('index', 0); topbar .toggleClass('expanded') .css('height', ''); } if (settings.scrolltop) { if (!topbar.hasClass('expanded')) { if (topbar.hasClass('fixed')) { topbar.parent().addClass('fixed'); topbar.removeClass('fixed'); self.S('body').addClass('f-topbar-fixed'); } } else if (topbar.parent().hasClass('fixed')) { if (settings.scrolltop) { topbar.parent().removeClass('fixed'); topbar.addClass('fixed'); self.S('body').removeClass('f-topbar-fixed'); window.scrollTo(0, 0); } else { topbar.parent().removeClass('expanded'); } } } else { if (self.is_sticky(topbar, topbar.parent(), settings)) { topbar.parent().addClass('fixed'); } if (topbar.parent().hasClass('fixed')) { if (!topbar.hasClass('expanded')) { topbar.removeClass('fixed'); topbar.parent().removeClass('expanded'); self.update_sticky_positioning(); } else { topbar.addClass('fixed'); topbar.parent().addClass('expanded'); self.S('body').addClass('f-topbar-fixed'); } } } }, timer : null, events : function (bar) { var self = this, S = this.S; S(this.scope) .off('.topbar') .on('click.fndtn.topbar', '[' + this.attr_name() + '] .toggle-topbar', function (e) { e.preventDefault(); self.toggle(this); }) .on('click.fndtn.topbar', '.top-bar .top-bar-section li a[href^="#"],[' + this.attr_name() + '] .top-bar-section li a[href^="#"]', function (e) { var li = $(this).closest('li'); if (self.breakpoint() && !li.hasClass('back') && !li.hasClass('has-dropdown')) { self.toggle(); } }) .on('click.fndtn.topbar', '[' + this.attr_name() + '] li.has-dropdown', function (e) { var li = S(this), target = S(e.target), topbar = li.closest('[' + self.attr_name() + ']'), settings = topbar.data(self.attr_name(true) + '-init'); if (target.data('revealId')) { self.toggle(); return; } if (self.breakpoint()) { return; } if (settings.is_hover && !Modernizr.touch) { return; } e.stopImmediatePropagation(); if (li.hasClass('hover')) { li .removeClass('hover') .find('li') .removeClass('hover'); li.parents('li.hover') .removeClass('hover'); } else { li.addClass('hover'); $(li).siblings().removeClass('hover'); if (target[0].nodeName === 'A' && target.parent().hasClass('has-dropdown')) { e.preventDefault(); } } }) .on('click.fndtn.topbar', '[' + this.attr_name() + '] .has-dropdown>a', function (e) { if (self.breakpoint()) { e.preventDefault(); var $this = S(this), topbar = $this.closest('[' + self.attr_name() + ']'), section = topbar.find('section, .top-bar-section'), dropdownHeight = $this.next('.dropdown').outerHeight(), $selectedLi = $this.closest('li'); topbar.data('index', topbar.data('index') + 1); $selectedLi.addClass('moved'); if (!self.rtl) { section.css({left : -(100 * topbar.data('index')) + '%'}); section.find('>.name').css({left : 100 * topbar.data('index') + '%'}); } else { section.css({right : -(100 * topbar.data('index')) + '%'}); section.find('>.name').css({right : 100 * topbar.data('index') + '%'}); } topbar.css('height', $this.siblings('ul').outerHeight(true) + topbar.data('height')); } }); S(window).off('.topbar').on('resize.fndtn.topbar', self.throttle(function () { self.resize.call(self); }, 50)).trigger('resize').trigger('resize.fndtn.topbar').load(function () { // Ensure that the offset is calculated after all of the pages resources have loaded S(this).trigger('resize.fndtn.topbar'); }); S('body').off('.topbar').on('click.fndtn.topbar', function (e) { var parent = S(e.target).closest('li').closest('li.hover'); if (parent.length > 0) { return; } S('[' + self.attr_name() + '] li.hover').removeClass('hover'); }); // Go up a level on Click S(this.scope).on('click.fndtn.topbar', '[' + this.attr_name() + '] .has-dropdown .back', function (e) { e.preventDefault(); var $this = S(this), topbar = $this.closest('[' + self.attr_name() + ']'), section = topbar.find('section, .top-bar-section'), settings = topbar.data(self.attr_name(true) + '-init'), $movedLi = $this.closest('li.moved'), $previousLevelUl = $movedLi.parent(); topbar.data('index', topbar.data('index') - 1); if (!self.rtl) { section.css({left : -(100 * topbar.data('index')) + '%'}); section.find('>.name').css({left : 100 * topbar.data('index') + '%'}); } else { section.css({right : -(100 * topbar.data('index')) + '%'}); section.find('>.name').css({right : 100 * topbar.data('index') + '%'}); } if (topbar.data('index') === 0) { topbar.css('height', ''); } else { topbar.css('height', $previousLevelUl.outerHeight(true) + topbar.data('height')); } setTimeout(function () { $movedLi.removeClass('moved'); }, 300); }); // Show dropdown menus when their items are focused S(this.scope).find('.dropdown a') .focus(function () { $(this).parents('.has-dropdown').addClass('hover'); }) .blur(function () { $(this).parents('.has-dropdown').removeClass('hover'); }); }, resize : function () { var self = this; self.S('[' + this.attr_name() + ']').each(function () { var topbar = self.S(this), settings = topbar.data(self.attr_name(true) + '-init'); var stickyContainer = topbar.parent('.' + self.settings.sticky_class); var stickyOffset; if (!self.breakpoint()) { var doToggle = topbar.hasClass('expanded'); topbar .css('height', '') .removeClass('expanded') .find('li') .removeClass('hover'); if (doToggle) { self.toggle(topbar); } } if (self.is_sticky(topbar, stickyContainer, settings)) { if (stickyContainer.hasClass('fixed')) { // Remove the fixed to allow for correct calculation of the offset. stickyContainer.removeClass('fixed'); stickyOffset = stickyContainer.offset().top; if (self.S(document.body).hasClass('f-topbar-fixed')) { stickyOffset -= topbar.data('height'); } topbar.data('stickyoffset', stickyOffset); stickyContainer.addClass('fixed'); } else { stickyOffset = stickyContainer.offset().top; topbar.data('stickyoffset', stickyOffset); } } }); }, breakpoint : function () { return !matchMedia(Foundation.media_queries['topbar']).matches; }, small : function () { return matchMedia(Foundation.media_queries['small']).matches; }, medium : function () { return matchMedia(Foundation.media_queries['medium']).matches; }, large : function () { return matchMedia(Foundation.media_queries['large']).matches; }, assemble : function (topbar) { var self = this, settings = topbar.data(this.attr_name(true) + '-init'), section = self.S('section, .top-bar-section', topbar); // Pull element out of the DOM for manipulation section.detach(); self.S('.has-dropdown>a', section).each(function () { var $link = self.S(this), $dropdown = $link.siblings('.dropdown'), url = $link.attr('href'), $titleLi; if (!$dropdown.find('.title.back').length) { if (settings.mobile_show_parent_link == true && url) { $titleLi = $('<li class="title back js-generated"><h5><a href="javascript:void(0)"></a></h5></li><li class="parent-link hide-for-large-up"><a class="parent-link js-generated" href="' + url + '">' + $link.html() +'</a></li>'); } else { $titleLi = $('<li class="title back js-generated"><h5><a href="javascript:void(0)"></a></h5>'); } // Copy link to subnav if (settings.custom_back_text == true) { $('h5>a', $titleLi).html(settings.back_text); } else { $('h5>a', $titleLi).html('« ' + $link.html()); } $dropdown.prepend($titleLi); } }); // Put element back in the DOM section.appendTo(topbar); // check for sticky this.sticky(); this.assembled(topbar); }, assembled : function (topbar) { topbar.data(this.attr_name(true), $.extend({}, topbar.data(this.attr_name(true)), {assembled : true})); }, height : function (ul) { var total = 0, self = this; $('> li', ul).each(function () { total += self.S(this).outerHeight(true); }); return total; }, sticky : function () { var self = this; this.S(window).on('scroll', function () { self.update_sticky_positioning(); }); }, update_sticky_positioning : function () { var klass = '.' + this.settings.sticky_class, $window = this.S(window), self = this; if (self.settings.sticky_topbar && self.is_sticky(this.settings.sticky_topbar, this.settings.sticky_topbar.parent(), this.settings)) { var distance = this.settings.sticky_topbar.data('stickyoffset'); if (!self.S(klass).hasClass('expanded')) { if ($window.scrollTop() > (distance)) { if (!self.S(klass).hasClass('fixed')) { self.S(klass).addClass('fixed'); self.S('body').addClass('f-topbar-fixed'); } } else if ($window.scrollTop() <= distance) { if (self.S(klass).hasClass('fixed')) { self.S(klass).removeClass('fixed'); self.S('body').removeClass('f-topbar-fixed'); } } } } }, off : function () { this.S(this.scope).off('.fndtn.topbar'); this.S(window).off('.fndtn.topbar'); }, reflow : function () {} }; }(jQuery, window, window.document)); ;(function ($, window, document, undefined) { 'use strict'; Foundation.libs.clearing = { name : 'clearing', version : '5.5.1', settings : { templates : { viewing : '<a href="#" class="clearing-close">×</a>' + '<div class="visible-img" style="display: none"><div class="clearing-touch-label"></div><img src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" alt="" />' + '<p class="clearing-caption"></p><a href="#" class="clearing-main-prev"><span></span></a>' + '<a href="#" class="clearing-main-next"><span></span></a></div>' }, // comma delimited list of selectors that, on click, will close clearing, // add 'div.clearing-blackout, div.visible-img' to close on background click close_selectors : '.clearing-close, div.clearing-blackout', // Default to the entire li element. open_selectors : '', // Image will be skipped in carousel. skip_selector : '', touch_label : '', // event initializers and locks init : false, locked : false }, init : function (scope, method, options) { var self = this; Foundation.inherit(this, 'throttle image_loaded'); this.bindings(method, options); if (self.S(this.scope).is('[' + this.attr_name() + ']')) { this.assemble(self.S('li', this.scope)); } else { self.S('[' + this.attr_name() + ']', this.scope).each(function () { self.assemble(self.S('li', this)); }); } }, events : function (scope) { var self = this, S = self.S, $scroll_container = $('.scroll-container'); if ($scroll_container.length > 0) { this.scope = $scroll_container; } S(this.scope) .off('.clearing') .on('click.fndtn.clearing', 'ul[' + this.attr_name() + '] li ' + this.settings.open_selectors, function (e, current, target) { var current = current || S(this), target = target || current, next = current.next('li'), settings = current.closest('[' + self.attr_name() + ']').data(self.attr_name(true) + '-init'), image = S(e.target); e.preventDefault(); if (!settings) { self.init(); settings = current.closest('[' + self.attr_name() + ']').data(self.attr_name(true) + '-init'); } // if clearing is open and the current image is // clicked, go to the next image in sequence if (target.hasClass('visible') && current[0] === target[0] && next.length > 0 && self.is_open(current)) { target = next; image = S('img', target); } // set current and target to the clicked li if not otherwise defined. self.open(image, current, target); self.update_paddles(target); }) .on('click.fndtn.clearing', '.clearing-main-next', function (e) { self.nav(e, 'next') }) .on('click.fndtn.clearing', '.clearing-main-prev', function (e) { self.nav(e, 'prev') }) .on('click.fndtn.clearing', this.settings.close_selectors, function (e) { Foundation.libs.clearing.close(e, this) }); $(document).on('keydown.fndtn.clearing', function (e) { self.keydown(e) }); S(window).off('.clearing').on('resize.fndtn.clearing', function () { self.resize() }); this.swipe_events(scope); }, swipe_events : function (scope) { var self = this, S = self.S; S(this.scope) .on('touchstart.fndtn.clearing', '.visible-img', function (e) { if (!e.touches) { e = e.originalEvent; } var data = { start_page_x : e.touches[0].pageX, start_page_y : e.touches[0].pageY, start_time : (new Date()).getTime(), delta_x : 0, is_scrolling : undefined }; S(this).data('swipe-transition', data); e.stopPropagation(); }) .on('touchmove.fndtn.clearing', '.visible-img', function (e) { if (!e.touches) { e = e.originalEvent; } // Ignore pinch/zoom events if (e.touches.length > 1 || e.scale && e.scale !== 1) { return; } var data = S(this).data('swipe-transition'); if (typeof data === 'undefined') { data = {}; } data.delta_x = e.touches[0].pageX - data.start_page_x; if (Foundation.rtl) { data.delta_x = -data.delta_x; } if (typeof data.is_scrolling === 'undefined') { data.is_scrolling = !!( data.is_scrolling || Math.abs(data.delta_x) < Math.abs(e.touches[0].pageY - data.start_page_y) ); } if (!data.is_scrolling && !data.active) { e.preventDefault(); var direction = (data.delta_x < 0) ? 'next' : 'prev'; data.active = true; self.nav(e, direction); } }) .on('touchend.fndtn.clearing', '.visible-img', function (e) { S(this).data('swipe-transition', {}); e.stopPropagation(); }); }, assemble : function ($li) { var $el = $li.parent(); if ($el.parent().hasClass('carousel')) { return; } $el.after('<div id="foundationClearingHolder"></div>'); var grid = $el.detach(), grid_outerHTML = ''; if (grid[0] == null) { return; } else { grid_outerHTML = grid[0].outerHTML; } var holder = this.S('#foundationClearingHolder'), settings = $el.data(this.attr_name(true) + '-init'), data = { grid : '<div class="carousel">' + grid_outerHTML + '</div>', viewing : settings.templates.viewing }, wrapper = '<div class="clearing-assembled"><div>' + data.viewing + data.grid + '</div></div>', touch_label = this.settings.touch_label; if (Modernizr.touch) { wrapper = $(wrapper).find('.clearing-touch-label').html(touch_label).end(); } holder.after(wrapper).remove(); }, open : function ($image, current, target) { var self = this, body = $(document.body), root = target.closest('.clearing-assembled'), container = self.S('div', root).first(), visible_image = self.S('.visible-img', container), image = self.S('img', visible_image).not($image), label = self.S('.clearing-touch-label', container), error = false; // Event to disable scrolling on touch devices when Clearing is activated $('body').on('touchmove', function (e) { e.preventDefault(); }); image.error(function () { error = true; }); function startLoad() { setTimeout(function () { this.image_loaded(image, function () { if (image.outerWidth() === 1 && !error) { startLoad.call(this); } else { cb.call(this, image); } }.bind(this)); }.bind(this), 100); } function cb (image) { var $image = $(image); $image.css('visibility', 'visible'); // toggle the gallery body.css('overflow', 'hidden'); root.addClass('clearing-blackout'); container.addClass('clearing-container'); visible_image.show(); this.fix_height(target) .caption(self.S('.clearing-caption', visible_image), self.S('img', target)) .center_and_label(image, label) .shift(current, target, function () { target.closest('li').siblings().removeClass('visible'); target.closest('li').addClass('visible'); }); visible_image.trigger('opened.fndtn.clearing') } if (!this.locked()) { visible_image.trigger('open.fndtn.clearing'); // set the image to the selected thumbnail image .attr('src', this.load($image)) .css('visibility', 'hidden'); startLoad.call(this); } }, close : function (e, el) { e.preventDefault(); var root = (function (target) { if (/blackout/.test(target.selector)) { return target; } else { return target.closest('.clearing-blackout'); } }($(el))), body = $(document.body), container, visible_image; if (el === e.target && root) { body.css('overflow', ''); container = $('div', root).first(); visible_image = $('.visible-img', container); visible_image.trigger('close.fndtn.clearing'); this.settings.prev_index = 0; $('ul[' + this.attr_name() + ']', root) .attr('style', '').closest('.clearing-blackout') .removeClass('clearing-blackout'); container.removeClass('clearing-container'); visible_image.hide(); visible_image.trigger('closed.fndtn.clearing'); } // Event to re-enable scrolling on touch devices $('body').off('touchmove'); return false; }, is_open : function (current) { return current.parent().prop('style').length > 0; }, keydown : function (e) { var clearing = $('.clearing-blackout ul[' + this.attr_name() + ']'), NEXT_KEY = this.rtl ? 37 : 39, PREV_KEY = this.rtl ? 39 : 37, ESC_KEY = 27; if (e.which === NEXT_KEY) { this.go(clearing, 'next'); } if (e.which === PREV_KEY) { this.go(clearing, 'prev'); } if (e.which === ESC_KEY) { this.S('a.clearing-close').trigger('click').trigger('click.fndtn.clearing'); } }, nav : function (e, direction) { var clearing = $('ul[' + this.attr_name() + ']', '.clearing-blackout'); e.preventDefault(); this.go(clearing, direction); }, resize : function () { var image = $('img', '.clearing-blackout .visible-img'), label = $('.clearing-touch-label', '.clearing-blackout'); if (image.length) { this.center_and_label(image, label); image.trigger('resized.fndtn.clearing') } }, // visual adjustments fix_height : function (target) { var lis = target.parent().children(), self = this; lis.each(function () { var li = self.S(this), image = li.find('img'); if (li.height() > image.outerHeight()) { li.addClass('fix-height'); } }) .closest('ul') .width(lis.length * 100 + '%'); return this; }, update_paddles : function (target) { target = target.closest('li'); var visible_image = target .closest('.carousel') .siblings('.visible-img'); if (target.next().length > 0) { this.S('.clearing-main-next', visible_image).removeClass('disabled'); } else { this.S('.clearing-main-next', visible_image).addClass('disabled'); } if (target.prev().length > 0) { this.S('.clearing-main-prev', visible_image).removeClass('disabled'); } else { this.S('.clearing-main-prev', visible_image).addClass('disabled'); } }, center_and_label : function (target, label) { if (!this.rtl && label.length > 0) { label.css({ marginLeft : -(label.outerWidth() / 2), marginTop : -(target.outerHeight() / 2)-label.outerHeight()-10 }); } else { label.css({ marginRight : -(label.outerWidth() / 2), marginTop : -(target.outerHeight() / 2)-label.outerHeight()-10, left: 'auto', right: '50%' }); } return this; }, // image loading and preloading load : function ($image) { var href; if ($image[0].nodeName === 'A') { href = $image.attr('href'); } else { href = $image.closest('a').attr('href'); } this.preload($image); if (href) { return href; } return $image.attr('src'); }, preload : function ($image) { this .img($image.closest('li').next()) .img($image.closest('li').prev()); }, img : function (img) { if (img.length) { var new_img = new Image(), new_a = this.S('a', img); if (new_a.length) { new_img.src = new_a.attr('href'); } else { new_img.src = this.S('img', img).attr('src'); } } return this; }, // image caption caption : function (container, $image) { var caption = $image.attr('data-caption'); if (caption) { container .html(caption) .show(); } else { container .text('') .hide(); } return this; }, // directional methods go : function ($ul, direction) { var current = this.S('.visible', $ul), target = current[direction](); // Check for skip selector. if (this.settings.skip_selector && target.find(this.settings.skip_selector).length != 0) { target = target[direction](); } if (target.length) { this.S('img', target) .trigger('click', [current, target]).trigger('click.fndtn.clearing', [current, target]) .trigger('change.fndtn.clearing'); } }, shift : function (current, target, callback) { var clearing = target.parent(), old_index = this.settings.prev_index || target.index(), direction = this.direction(clearing, current, target), dir = this.rtl ? 'right' : 'left', left = parseInt(clearing.css('left'), 10), width = target.outerWidth(), skip_shift; var dir_obj = {}; // we use jQuery animate instead of CSS transitions because we // need a callback to unlock the next animation // needs support for RTL ** if (target.index() !== old_index && !/skip/.test(direction)) { if (/left/.test(direction)) { this.lock(); dir_obj[dir] = left + width; clearing.animate(dir_obj, 300, this.unlock()); } else if (/right/.test(direction)) { this.lock(); dir_obj[dir] = left - width; clearing.animate(dir_obj, 300, this.unlock()); } } else if (/skip/.test(direction)) { // the target image is not adjacent to the current image, so // do we scroll right or not skip_shift = target.index() - this.settings.up_count; this.lock(); if (skip_shift > 0) { dir_obj[dir] = -(skip_shift * width); clearing.animate(dir_obj, 300, this.unlock()); } else { dir_obj[dir] = 0; clearing.animate(dir_obj, 300, this.unlock()); } } callback(); }, direction : function ($el, current, target) { var lis = this.S('li', $el), li_width = lis.outerWidth() + (lis.outerWidth() / 4), up_count = Math.floor(this.S('.clearing-container').outerWidth() / li_width) - 1, target_index = lis.index(target), response; this.settings.up_count = up_count; if (this.adjacent(this.settings.prev_index, target_index)) { if ((target_index > up_count) && target_index > this.settings.prev_index) { response = 'right'; } else if ((target_index > up_count - 1) && target_index <= this.settings.prev_index) { response = 'left'; } else { response = false; } } else { response = 'skip'; } this.settings.prev_index = target_index; return response; }, adjacent : function (current_index, target_index) { for (var i = target_index + 1; i >= target_index - 1; i--) { if (i === current_index) { return true; } } return false; }, // lock management lock : function () { this.settings.locked = true; }, unlock : function () { this.settings.locked = false; }, locked : function () { return this.settings.locked; }, off : function () { this.S(this.scope).off('.fndtn.clearing'); this.S(window).off('.fndtn.clearing'); }, reflow : function () { this.init(); } }; }(jQuery, window, window.document)); /* _ _ _ _ ___| (_) ___| | __ (_)___ / __| | |/ __| |/ / | / __| \__ \ | | (__| < _ | \__ \ |___/_|_|\___|_|\_(_)/ |___/ |__/ Version: 1.6.0 Author: Ken Wheeler Website: http://kenwheeler.github.io Docs: http://kenwheeler.github.io/slick Repo: http://github.com/kenwheeler/slick Issues: http://github.com/kenwheeler/slick/issues */ /* global window, document, define, jQuery, setInterval, clearInterval */ (function(factory) { 'use strict'; if (typeof define === 'function' && define.amd) { define(['jquery'], factory); } else if (typeof exports !== 'undefined') { module.exports = factory(require('jquery')); } else { factory(jQuery); } }(function($) { 'use strict'; var Slick = window.Slick || {}; Slick = (function() { var instanceUid = 0; function Slick(element, settings) { var _ = this, dataSettings; _.defaults = { accessibility: true, adaptiveHeight: false, appendArrows: $(element), appendDots: $(element), arrows: true, asNavFor: null, prevArrow: '<button type="button" data-role="none" class="slick-prev" aria-label="Previous" tabindex="0" role="button">Previous</button>', nextArrow: '<button type="button" data-role="none" class="slick-next" aria-label="Next" tabindex="0" role="button">Next</button>', autoplay: false, autoplaySpeed: 3000, centerMode: false, centerPadding: '50px', cssEase: 'ease', customPaging: function(slider, i) { return $('<button type="button" data-role="none" role="button" tabindex="0" />').text(i + 1); }, dots: false, dotsClass: 'slick-dots', draggable: true, easing: 'linear', edgeFriction: 0.35, fade: false, focusOnSelect: false, infinite: true, initialSlide: 0, lazyLoad: 'ondemand', mobileFirst: false, pauseOnHover: true, pauseOnFocus: true, pauseOnDotsHover: false, respondTo: 'window', responsive: null, rows: 1, rtl: false, slide: '', slidesPerRow: 1, slidesToShow: 1, slidesToScroll: 1, speed: 500, swipe: true, swipeToSlide: false, touchMove: true, touchThreshold: 5, useCSS: true, useTransform: true, variableWidth: false, vertical: false, verticalSwiping: false, waitForAnimate: true, zIndex: 1000 }; _.initials = { animating: false, dragging: false, autoPlayTimer: null, currentDirection: 0, currentLeft: null, currentSlide: 0, direction: 1, $dots: null, listWidth: null, listHeight: null, loadIndex: 0, $nextArrow: null, $prevArrow: null, slideCount: null, slideWidth: null, $slideTrack: null, $slides: null, sliding: false, slideOffset: 0, swipeLeft: null, $list: null, touchObject: {}, transformsEnabled: false, unslicked: false }; $.extend(_, _.initials); _.activeBreakpoint = null; _.animType = null; _.animProp = null; _.breakpoints = []; _.breakpointSettings = []; _.cssTransitions = false; _.focussed = false; _.interrupted = false; _.hidden = 'hidden'; _.paused = true; _.positionProp = null; _.respondTo = null; _.rowCount = 1; _.shouldClick = true; _.$slider = $(element); _.$slidesCache = null; _.transformType = null; _.transitionType = null; _.visibilityChange = 'visibilitychange'; _.windowWidth = 0; _.windowTimer = null; dataSettings = $(element).data('slick') || {}; _.options = $.extend({}, _.defaults, settings, dataSettings); _.currentSlide = _.options.initialSlide; _.originalSettings = _.options; if (typeof document.mozHidden !== 'undefined') { _.hidden = 'mozHidden'; _.visibilityChange = 'mozvisibilitychange'; } else if (typeof document.webkitHidden !== 'undefined') { _.hidden = 'webkitHidden'; _.visibilityChange = 'webkitvisibilitychange'; } _.autoPlay = $.proxy(_.autoPlay, _); _.autoPlayClear = $.proxy(_.autoPlayClear, _); _.autoPlayIterator = $.proxy(_.autoPlayIterator, _); _.changeSlide = $.proxy(_.changeSlide, _); _.clickHandler = $.proxy(_.clickHandler, _); _.selectHandler = $.proxy(_.selectHandler, _); _.setPosition = $.proxy(_.setPosition, _); _.swipeHandler = $.proxy(_.swipeHandler, _); _.dragHandler = $.proxy(_.dragHandler, _); _.keyHandler = $.proxy(_.keyHandler, _); _.instanceUid = instanceUid++; // A simple way to check for HTML strings // Strict HTML recognition (must start with <) // Extracted from jQuery v1.11 source _.htmlExpr = /^(?:\s*(<[\w\W]+>)[^>]*)$/; _.registerBreakpoints(); _.init(true); } return Slick; }()); Slick.prototype.activateADA = function() { var _ = this; _.$slideTrack.find('.slick-active').attr({ 'aria-hidden': 'false' }).find('a, input, button, select').attr({ 'tabindex': '0' }); }; Slick.prototype.addSlide = Slick.prototype.slickAdd = function(markup, index, addBefore) { var _ = this; if (typeof(index) === 'boolean') { addBefore = index; index = null; } else if (index < 0 || (index >= _.slideCount)) { return false; } _.unload(); if (typeof(index) === 'number') { if (index === 0 && _.$slides.length === 0) { $(markup).appendTo(_.$slideTrack); } else if (addBefore) { $(markup).insertBefore(_.$slides.eq(index)); } else { $(markup).insertAfter(_.$slides.eq(index)); } } else { if (addBefore === true) { $(markup).prependTo(_.$slideTrack); } else { $(markup).appendTo(_.$slideTrack); } } _.$slides = _.$slideTrack.children(this.options.slide); _.$slideTrack.children(this.options.slide).detach(); _.$slideTrack.append(_.$slides); _.$slides.each(function(index, element) { $(element).attr('data-slick-index', index); }); _.$slidesCache = _.$slides; _.reinit(); }; Slick.prototype.animateHeight = function() { var _ = this; if (_.options.slidesToShow === 1 && _.options.adaptiveHeight === true && _.options.vertical === false) { var targetHeight = _.$slides.eq(_.currentSlide).outerHeight(true); _.$list.animate({ height: targetHeight }, _.options.speed); } }; Slick.prototype.animateSlide = function(targetLeft, callback) { var animProps = {}, _ = this; _.animateHeight(); if (_.options.rtl === true && _.options.vertical === false) { targetLeft = -targetLeft; } if (_.transformsEnabled === false) { if (_.options.vertical === false) { _.$slideTrack.animate({ left: targetLeft }, _.options.speed, _.options.easing, callback); } else { _.$slideTrack.animate({ top: targetLeft }, _.options.speed, _.options.easing, callback); } } else { if (_.cssTransitions === false) { if (_.options.rtl === true) { _.currentLeft = -(_.currentLeft); } $({ animStart: _.currentLeft }).animate({ animStart: targetLeft }, { duration: _.options.speed, easing: _.options.easing, step: function(now) { now = Math.ceil(now); if (_.options.vertical === false) { animProps[_.animType] = 'translate(' + now + 'px, 0px)'; _.$slideTrack.css(animProps); } else { animProps[_.animType] = 'translate(0px,' + now + 'px)'; _.$slideTrack.css(animProps); } }, complete: function() { if (callback) { callback.call(); } } }); } else { _.applyTransition(); targetLeft = Math.ceil(targetLeft); if (_.options.vertical === false) { animProps[_.animType] = 'translate3d(' + targetLeft + 'px, 0px, 0px)'; } else { animProps[_.animType] = 'translate3d(0px,' + targetLeft + 'px, 0px)'; } _.$slideTrack.css(animProps); if (callback) { setTimeout(function() { _.disableTransition(); callback.call(); }, _.options.speed); } } } }; Slick.prototype.getNavTarget = function() { var _ = this, asNavFor = _.options.asNavFor; if ( asNavFor && asNavFor !== null ) { asNavFor = $(asNavFor).not(_.$slider); } return asNavFor; }; Slick.prototype.asNavFor = function(index) { var _ = this, asNavFor = _.getNavTarget(); if ( asNavFor !== null && typeof asNavFor === 'object' ) { asNavFor.each(function() { var target = $(this).slick('getSlick'); if(!target.unslicked) { target.slideHandler(index, true); } }); } }; Slick.prototype.applyTransition = function(slide) { var _ = this, transition = {}; if (_.options.fade === false) { transition[_.transitionType] = _.transformType + ' ' + _.options.speed + 'ms ' + _.options.cssEase; } else { transition[_.transitionType] = 'opacity ' + _.options.speed + 'ms ' + _.options.cssEase; } if (_.options.fade === false) { _.$slideTrack.css(transition); } else { _.$slides.eq(slide).css(transition); } }; Slick.prototype.autoPlay = function() { var _ = this; _.autoPlayClear(); if ( _.slideCount > _.options.slidesToShow ) { _.autoPlayTimer = setInterval( _.autoPlayIterator, _.options.autoplaySpeed ); } }; Slick.prototype.autoPlayClear = function() { var _ = this; if (_.autoPlayTimer) { clearInterval(_.autoPlayTimer); } }; Slick.prototype.autoPlayIterator = function() { var _ = this, slideTo = _.currentSlide + _.options.slidesToScroll; if ( !_.paused && !_.interrupted && !_.focussed ) { if ( _.options.infinite === false ) { if ( _.direction === 1 && ( _.currentSlide + 1 ) === ( _.slideCount - 1 )) { _.direction = 0; } else if ( _.direction === 0 ) { slideTo = _.currentSlide - _.options.slidesToScroll; if ( _.currentSlide - 1 === 0 ) { _.direction = 1; } } } _.slideHandler( slideTo ); } }; Slick.prototype.buildArrows = function() { var _ = this; if (_.options.arrows === true ) { _.$prevArrow = $(_.options.prevArrow).addClass('slick-arrow'); _.$nextArrow = $(_.options.nextArrow).addClass('slick-arrow'); if( _.slideCount > _.options.slidesToShow ) { _.$prevArrow.removeClass('slick-hidden').removeAttr('aria-hidden tabindex'); _.$nextArrow.removeClass('slick-hidden').removeAttr('aria-hidden tabindex'); if (_.htmlExpr.test(_.options.prevArrow)) { _.$prevArrow.prependTo(_.options.appendArrows); } if (_.htmlExpr.test(_.options.nextArrow)) { _.$nextArrow.appendTo(_.options.appendArrows); } if (_.options.infinite !== true) { _.$prevArrow .addClass('slick-disabled') .attr('aria-disabled', 'true'); } } else { _.$prevArrow.add( _.$nextArrow ) .addClass('slick-hidden') .attr({ 'aria-disabled': 'true', 'tabindex': '-1' }); } } }; Slick.prototype.buildDots = function() { var _ = this, i, dot; if (_.options.dots === true && _.slideCount > _.options.slidesToShow) { _.$slider.addClass('slick-dotted'); dot = $('<ul />').addClass(_.options.dotsClass); for (i = 0; i <= _.getDotCount(); i += 1) { dot.append($('<li />').append(_.options.customPaging.call(this, _, i))); } _.$dots = dot.appendTo(_.options.appendDots); _.$dots.find('li').first().addClass('slick-active').attr('aria-hidden', 'false'); } }; Slick.prototype.buildOut = function() { var _ = this; _.$slides = _.$slider .children( _.options.slide + ':not(.slick-cloned)') .addClass('slick-slide'); _.slideCount = _.$slides.length; _.$slides.each(function(index, element) { $(element) .attr('data-slick-index', index) .data('originalStyling', $(element).attr('style') || ''); }); _.$slider.addClass('slick-slider'); _.$slideTrack = (_.slideCount === 0) ? $('<div class="slick-track"/>').appendTo(_.$slider) : _.$slides.wrapAll('<div class="slick-track"/>').parent(); _.$list = _.$slideTrack.wrap( '<div aria-live="polite" class="slick-list"/>').parent(); _.$slideTrack.css('opacity', 0); if (_.options.centerMode === true || _.options.swipeToSlide === true) { _.options.slidesToScroll = 1; } $('img[data-lazy]', _.$slider).not('[src]').addClass('slick-loading'); _.setupInfinite(); _.buildArrows(); _.buildDots(); _.updateDots(); _.setSlideClasses(typeof _.currentSlide === 'number' ? _.currentSlide : 0); if (_.options.draggable === true) { _.$list.addClass('draggable'); } }; Slick.prototype.buildRows = function() { var _ = this, a, b, c, newSlides, numOfSlides, originalSlides,slidesPerSection; newSlides = document.createDocumentFragment(); originalSlides = _.$slider.children(); if(_.options.rows > 1) { slidesPerSection = _.options.slidesPerRow * _.options.rows; numOfSlides = Math.ceil( originalSlides.length / slidesPerSection ); for(a = 0; a < numOfSlides; a++){ var slide = document.createElement('div'); for(b = 0; b < _.options.rows; b++) { var row = document.createElement('div'); for(c = 0; c < _.options.slidesPerRow; c++) { var target = (a * slidesPerSection + ((b * _.options.slidesPerRow) + c)); if (originalSlides.get(target)) { row.appendChild(originalSlides.get(target)); } } slide.appendChild(row); } newSlides.appendChild(slide); } _.$slider.empty().append(newSlides); _.$slider.children().children().children() .css({ 'width':(100 / _.options.slidesPerRow) + '%', 'display': 'inline-block' }); } }; Slick.prototype.checkResponsive = function(initial, forceUpdate) { var _ = this, breakpoint, targetBreakpoint, respondToWidth, triggerBreakpoint = false; var sliderWidth = _.$slider.width(); var windowWidth = window.innerWidth || $(window).width(); if (_.respondTo === 'window') { respondToWidth = windowWidth; } else if (_.respondTo === 'slider') { respondToWidth = sliderWidth; } else if (_.respondTo === 'min') { respondToWidth = Math.min(windowWidth, sliderWidth); } if ( _.options.responsive && _.options.responsive.length && _.options.responsive !== null) { targetBreakpoint = null; for (breakpoint in _.breakpoints) { if (_.breakpoints.hasOwnProperty(breakpoint)) { if (_.originalSettings.mobileFirst === false) { if (respondToWidth < _.breakpoints[breakpoint]) { targetBreakpoint = _.breakpoints[breakpoint]; } } else { if (respondToWidth > _.breakpoints[breakpoint]) { targetBreakpoint = _.breakpoints[breakpoint]; } } } } if (targetBreakpoint !== null) { if (_.activeBreakpoint !== null) { if (targetBreakpoint !== _.activeBreakpoint || forceUpdate) { _.activeBreakpoint = targetBreakpoint; if (_.breakpointSettings[targetBreakpoint] === 'unslick') { _.unslick(targetBreakpoint); } else { _.options = $.extend({}, _.originalSettings, _.breakpointSettings[ targetBreakpoint]); if (initial === true) { _.currentSlide = _.options.initialSlide; } _.refresh(initial); } triggerBreakpoint = targetBreakpoint; } } else { _.activeBreakpoint = targetBreakpoint; if (_.breakpointSettings[targetBreakpoint] === 'unslick') { _.unslick(targetBreakpoint); } else { _.options = $.extend({}, _.originalSettings, _.breakpointSettings[ targetBreakpoint]); if (initial === true) { _.currentSlide = _.options.initialSlide; } _.refresh(initial); } triggerBreakpoint = targetBreakpoint; } } else { if (_.activeBreakpoint !== null) { _.activeBreakpoint = null; _.options = _.originalSettings; if (initial === true) { _.currentSlide = _.options.initialSlide; } _.refresh(initial); triggerBreakpoint = targetBreakpoint; } } // only trigger breakpoints during an actual break. not on initialize. if( !initial && triggerBreakpoint !== false ) { _.$slider.trigger('breakpoint', [_, triggerBreakpoint]); } } }; Slick.prototype.changeSlide = function(event, dontAnimate) { var _ = this, $target = $(event.currentTarget), indexOffset, slideOffset, unevenOffset; // If target is a link, prevent default action. if($target.is('a')) { event.preventDefault(); } // If target is not the <li> element (ie: a child), find the <li>. if(!$target.is('li')) { $target = $target.closest('li'); } unevenOffset = (_.slideCount % _.options.slidesToScroll !== 0); indexOffset = unevenOffset ? 0 : (_.slideCount - _.currentSlide) % _.options.slidesToScroll; switch (event.data.message) { case 'previous': slideOffset = indexOffset === 0 ? _.options.slidesToScroll : _.options.slidesToShow - indexOffset; if (_.slideCount > _.options.slidesToShow) { _.slideHandler(_.currentSlide - slideOffset, false, dontAnimate); } break; case 'next': slideOffset = indexOffset === 0 ? _.options.slidesToScroll : indexOffset; if (_.slideCount > _.options.slidesToShow) { _.slideHandler(_.currentSlide + slideOffset, false, dontAnimate); } break; case 'index': var index = event.data.index === 0 ? 0 : event.data.index || $target.index() * _.options.slidesToScroll; _.slideHandler(_.checkNavigable(index), false, dontAnimate); $target.children().trigger('focus'); break; default: return; } }; Slick.prototype.checkNavigable = function(index) { var _ = this, navigables, prevNavigable; navigables = _.getNavigableIndexes(); prevNavigable = 0; if (index > navigables[navigables.length - 1]) { index = navigables[navigables.length - 1]; } else { for (var n in navigables) { if (index < navigables[n]) { index = prevNavigable; break; } prevNavigable = navigables[n]; } } return index; }; Slick.prototype.cleanUpEvents = function() { var _ = this; if (_.options.dots && _.$dots !== null) { $('li', _.$dots) .off('click.slick', _.changeSlide) .off('mouseenter.slick', $.proxy(_.interrupt, _, true)) .off('mouseleave.slick', $.proxy(_.interrupt, _, false)); } _.$slider.off('focus.slick blur.slick'); if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) { _.$prevArrow && _.$prevArrow.off('click.slick', _.changeSlide); _.$nextArrow && _.$nextArrow.off('click.slick', _.changeSlide); } _.$list.off('touchstart.slick mousedown.slick', _.swipeHandler); _.$list.off('touchmove.slick mousemove.slick', _.swipeHandler); _.$list.off('touchend.slick mouseup.slick', _.swipeHandler); _.$list.off('touchcancel.slick mouseleave.slick', _.swipeHandler); _.$list.off('click.slick', _.clickHandler); $(document).off(_.visibilityChange, _.visibility); _.cleanUpSlideEvents(); if (_.options.accessibility === true) { _.$list.off('keydown.slick', _.keyHandler); } if (_.options.focusOnSelect === true) { $(_.$slideTrack).children().off('click.slick', _.selectHandler); } $(window).off('orientationchange.slick.slick-' + _.instanceUid, _.orientationChange); $(window).off('resize.slick.slick-' + _.instanceUid, _.resize); $('[draggable!=true]', _.$slideTrack).off('dragstart', _.preventDefault); $(window).off('load.slick.slick-' + _.instanceUid, _.setPosition); $(document).off('ready.slick.slick-' + _.instanceUid, _.setPosition); }; Slick.prototype.cleanUpSlideEvents = function() { var _ = this; _.$list.off('mouseenter.slick', $.proxy(_.interrupt, _, true)); _.$list.off('mouseleave.slick', $.proxy(_.interrupt, _, false)); }; Slick.prototype.cleanUpRows = function() { var _ = this, originalSlides; if(_.options.rows > 1) { originalSlides = _.$slides.children().children(); originalSlides.removeAttr('style'); _.$slider.empty().append(originalSlides); } }; Slick.prototype.clickHandler = function(event) { var _ = this; if (_.shouldClick === false) { event.stopImmediatePropagation(); event.stopPropagation(); event.preventDefault(); } }; Slick.prototype.destroy = function(refresh) { var _ = this; _.autoPlayClear(); _.touchObject = {}; _.cleanUpEvents(); $('.slick-cloned', _.$slider).detach(); if (_.$dots) { _.$dots.remove(); } if ( _.$prevArrow && _.$prevArrow.length ) { _.$prevArrow .removeClass('slick-disabled slick-arrow slick-hidden') .removeAttr('aria-hidden aria-disabled tabindex') .css('display',''); if ( _.htmlExpr.test( _.options.prevArrow )) { _.$prevArrow.remove(); } } if ( _.$nextArrow && _.$nextArrow.length ) { _.$nextArrow .removeClass('slick-disabled slick-arrow slick-hidden') .removeAttr('aria-hidden aria-disabled tabindex') .css('display',''); if ( _.htmlExpr.test( _.options.nextArrow )) { _.$nextArrow.remove(); } } if (_.$slides) { _.$slides .removeClass('slick-slide slick-active slick-center slick-visible slick-current') .removeAttr('aria-hidden') .removeAttr('data-slick-index') .each(function(){ $(this).attr('style', $(this).data('originalStyling')); }); _.$slideTrack.children(this.options.slide).detach(); _.$slideTrack.detach(); _.$list.detach(); _.$slider.append(_.$slides); } _.cleanUpRows(); _.$slider.removeClass('slick-slider'); _.$slider.removeClass('slick-initialized'); _.$slider.removeClass('slick-dotted'); _.unslicked = true; if(!refresh) { _.$slider.trigger('destroy', [_]); } }; Slick.prototype.disableTransition = function(slide) { var _ = this, transition = {}; transition[_.transitionType] = ''; if (_.options.fade === false) { _.$slideTrack.css(transition); } else { _.$slides.eq(slide).css(transition); } }; Slick.prototype.fadeSlide = function(slideIndex, callback) { var _ = this; if (_.cssTransitions === false) { _.$slides.eq(slideIndex).css({ zIndex: _.options.zIndex }); _.$slides.eq(slideIndex).animate({ opacity: 1 }, _.options.speed, _.options.easing, callback); } else { _.applyTransition(slideIndex); _.$slides.eq(slideIndex).css({ opacity: 1, zIndex: _.options.zIndex }); if (callback) { setTimeout(function() { _.disableTransition(slideIndex); callback.call(); }, _.options.speed); } } }; Slick.prototype.fadeSlideOut = function(slideIndex) { var _ = this; if (_.cssTransitions === false) { _.$slides.eq(slideIndex).animate({ opacity: 0, zIndex: _.options.zIndex - 2 }, _.options.speed, _.options.easing); } else { _.applyTransition(slideIndex); _.$slides.eq(slideIndex).css({ opacity: 0, zIndex: _.options.zIndex - 2 }); } }; Slick.prototype.filterSlides = Slick.prototype.slickFilter = function(filter) { var _ = this; if (filter !== null) { _.$slidesCache = _.$slides; _.unload(); _.$slideTrack.children(this.options.slide).detach(); _.$slidesCache.filter(filter).appendTo(_.$slideTrack); _.reinit(); } }; Slick.prototype.focusHandler = function() { var _ = this; _.$slider .off('focus.slick blur.slick') .on('focus.slick blur.slick', '*:not(.slick-arrow)', function(event) { event.stopImmediatePropagation(); var $sf = $(this); setTimeout(function() { if( _.options.pauseOnFocus ) { _.focussed = $sf.is(':focus'); _.autoPlay(); } }, 0); }); }; Slick.prototype.getCurrent = Slick.prototype.slickCurrentSlide = function() { var _ = this; return _.currentSlide; }; Slick.prototype.getDotCount = function() { var _ = this; var breakPoint = 0; var counter = 0; var pagerQty = 0; if (_.options.infinite === true) { while (breakPoint < _.slideCount) { ++pagerQty; breakPoint = counter + _.options.slidesToScroll; counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow; } } else if (_.options.centerMode === true) { pagerQty = _.slideCount; } else if(!_.options.asNavFor) { pagerQty = 1 + Math.ceil((_.slideCount - _.options.slidesToShow) / _.options.slidesToScroll); }else { while (breakPoint < _.slideCount) { ++pagerQty; breakPoint = counter + _.options.slidesToScroll; counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow; } } return pagerQty - 1; }; Slick.prototype.getLeft = function(slideIndex) { var _ = this, targetLeft, verticalHeight, verticalOffset = 0, targetSlide; _.slideOffset = 0; verticalHeight = _.$slides.first().outerHeight(true); if (_.options.infinite === true) { if (_.slideCount > _.options.slidesToShow) { _.slideOffset = (_.slideWidth * _.options.slidesToShow) * -1; verticalOffset = (verticalHeight * _.options.slidesToShow) * -1; } if (_.slideCount % _.options.slidesToScroll !== 0) { if (slideIndex + _.options.slidesToScroll > _.slideCount && _.slideCount > _.options.slidesToShow) { if (slideIndex > _.slideCount) { _.slideOffset = ((_.options.slidesToShow - (slideIndex - _.slideCount)) * _.slideWidth) * -1; verticalOffset = ((_.options.slidesToShow - (slideIndex - _.slideCount)) * verticalHeight) * -1; } else { _.slideOffset = ((_.slideCount % _.options.slidesToScroll) * _.slideWidth) * -1; verticalOffset = ((_.slideCount % _.options.slidesToScroll) * verticalHeight) * -1; } } } } else { if (slideIndex + _.options.slidesToShow > _.slideCount) { _.slideOffset = ((slideIndex + _.options.slidesToShow) - _.slideCount) * _.slideWidth; verticalOffset = ((slideIndex + _.options.slidesToShow) - _.slideCount) * verticalHeight; } } if (_.slideCount <= _.options.slidesToShow) { _.slideOffset = 0; verticalOffset = 0; } if (_.options.centerMode === true && _.options.infinite === true) { _.slideOffset += _.slideWidth * Math.floor(_.options.slidesToShow / 2) - _.slideWidth; } else if (_.options.centerMode === true) { _.slideOffset = 0; _.slideOffset += _.slideWidth * Math.floor(_.options.slidesToShow / 2); } if (_.options.vertical === false) { targetLeft = ((slideIndex * _.slideWidth) * -1) + _.slideOffset; } else { targetLeft = ((slideIndex * verticalHeight) * -1) + verticalOffset; } if (_.options.variableWidth === true) { if (_.slideCount <= _.options.slidesToShow || _.options.infinite === false) { targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex); } else { targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex + _.options.slidesToShow); } if (_.options.rtl === true) { if (targetSlide[0]) { targetLeft = (_.$slideTrack.width() - targetSlide[0].offsetLeft - targetSlide.width()) * -1; } else { targetLeft = 0; } } else { targetLeft = targetSlide[0] ? targetSlide[0].offsetLeft * -1 : 0; } if (_.options.centerMode === true) { if (_.slideCount <= _.options.slidesToShow || _.options.infinite === false) { targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex); } else { targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex + _.options.slidesToShow + 1); } if (_.options.rtl === true) { if (targetSlide[0]) { targetLeft = (_.$slideTrack.width() - targetSlide[0].offsetLeft - targetSlide.width()) * -1; } else { targetLeft = 0; } } else { targetLeft = targetSlide[0] ? targetSlide[0].offsetLeft * -1 : 0; } targetLeft += (_.$list.width() - targetSlide.outerWidth()) / 2; } } return targetLeft; }; Slick.prototype.getOption = Slick.prototype.slickGetOption = function(option) { var _ = this; return _.options[option]; }; Slick.prototype.getNavigableIndexes = function() { var _ = this, breakPoint = 0, counter = 0, indexes = [], max; if (_.options.infinite === false) { max = _.slideCount; } else { breakPoint = _.options.slidesToScroll * -1; counter = _.options.slidesToScroll * -1; max = _.slideCount * 2; } while (breakPoint < max) { indexes.push(breakPoint); breakPoint = counter + _.options.slidesToScroll; counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow; } return indexes; }; Slick.prototype.getSlick = function() { return this; }; Slick.prototype.getSlideCount = function() { var _ = this, slidesTraversed, swipedSlide, centerOffset; centerOffset = _.options.centerMode === true ? _.slideWidth * Math.floor(_.options.slidesToShow / 2) : 0; if (_.options.swipeToSlide === true) { _.$slideTrack.find('.slick-slide').each(function(index, slide) { if (slide.offsetLeft - centerOffset + ($(slide).outerWidth() / 2) > (_.swipeLeft * -1)) { swipedSlide = slide; return false; } }); slidesTraversed = Math.abs($(swipedSlide).attr('data-slick-index') - _.currentSlide) || 1; return slidesTraversed; } else { return _.options.slidesToScroll; } }; Slick.prototype.goTo = Slick.prototype.slickGoTo = function(slide, dontAnimate) { var _ = this; _.changeSlide({ data: { message: 'index', index: parseInt(slide) } }, dontAnimate); }; Slick.prototype.init = function(creation) { var _ = this; if (!$(_.$slider).hasClass('slick-initialized')) { $(_.$slider).addClass('slick-initialized'); _.buildRows(); _.buildOut(); _.setProps(); _.startLoad(); _.loadSlider(); _.initializeEvents(); _.updateArrows(); _.updateDots(); _.checkResponsive(true); _.focusHandler(); } if (creation) { _.$slider.trigger('init', [_]); } if (_.options.accessibility === true) { _.initADA(); } if ( _.options.autoplay ) { _.paused = false; _.autoPlay(); } }; Slick.prototype.initADA = function() { var _ = this; _.$slides.add(_.$slideTrack.find('.slick-cloned')).attr({ 'aria-hidden': 'true', 'tabindex': '-1' }).find('a, input, button, select').attr({ 'tabindex': '-1' }); _.$slideTrack.attr('role', 'listbox'); _.$slides.not(_.$slideTrack.find('.slick-cloned')).each(function(i) { $(this).attr({ 'role': 'option', 'aria-describedby': 'slick-slide' + _.instanceUid + i + '' }); }); if (_.$dots !== null) { _.$dots.attr('role', 'tablist').find('li').each(function(i) { $(this).attr({ 'role': 'presentation', 'aria-selected': 'false', 'aria-controls': 'navigation' + _.instanceUid + i + '', 'id': 'slick-slide' + _.instanceUid + i + '' }); }) .first().attr('aria-selected', 'true').end() .find('button').attr('role', 'button').end() .closest('div').attr('role', 'toolbar'); } _.activateADA(); }; Slick.prototype.initArrowEvents = function() { var _ = this; if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) { _.$prevArrow .off('click.slick') .on('click.slick', { message: 'previous' }, _.changeSlide); _.$nextArrow .off('click.slick') .on('click.slick', { message: 'next' }, _.changeSlide); } }; Slick.prototype.initDotEvents = function() { var _ = this; if (_.options.dots === true && _.slideCount > _.options.slidesToShow) { $('li', _.$dots).on('click.slick', { message: 'index' }, _.changeSlide); } if ( _.options.dots === true && _.options.pauseOnDotsHover === true ) { $('li', _.$dots) .on('mouseenter.slick', $.proxy(_.interrupt, _, true)) .on('mouseleave.slick', $.proxy(_.interrupt, _, false)); } }; Slick.prototype.initSlideEvents = function() { var _ = this; if ( _.options.pauseOnHover ) { _.$list.on('mouseenter.slick', $.proxy(_.interrupt, _, true)); _.$list.on('mouseleave.slick', $.proxy(_.interrupt, _, false)); } }; Slick.prototype.initializeEvents = function() { var _ = this; _.initArrowEvents(); _.initDotEvents(); _.initSlideEvents(); _.$list.on('touchstart.slick mousedown.slick', { action: 'start' }, _.swipeHandler); _.$list.on('touchmove.slick mousemove.slick', { action: 'move' }, _.swipeHandler); _.$list.on('touchend.slick mouseup.slick', { action: 'end' }, _.swipeHandler); _.$list.on('touchcancel.slick mouseleave.slick', { action: 'end' }, _.swipeHandler); _.$list.on('click.slick', _.clickHandler); $(document).on(_.visibilityChange, $.proxy(_.visibility, _)); if (_.options.accessibility === true) { _.$list.on('keydown.slick', _.keyHandler); } if (_.options.focusOnSelect === true) { $(_.$slideTrack).children().on('click.slick', _.selectHandler); } $(window).on('orientationchange.slick.slick-' + _.instanceUid, $.proxy(_.orientationChange, _)); $(window).on('resize.slick.slick-' + _.instanceUid, $.proxy(_.resize, _)); $('[draggable!=true]', _.$slideTrack).on('dragstart', _.preventDefault); $(window).on('load.slick.slick-' + _.instanceUid, _.setPosition); $(document).on('ready.slick.slick-' + _.instanceUid, _.setPosition); }; Slick.prototype.initUI = function() { var _ = this; if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) { _.$prevArrow.show(); _.$nextArrow.show(); } if (_.options.dots === true && _.slideCount > _.options.slidesToShow) { _.$dots.show(); } }; Slick.prototype.keyHandler = function(event) { var _ = this; //Dont slide if the cursor is inside the form fields and arrow keys are pressed if(!event.target.tagName.match('TEXTAREA|INPUT|SELECT')) { if (event.keyCode === 37 && _.options.accessibility === true) { _.changeSlide({ data: { message: _.options.rtl === true ? 'next' : 'previous' } }); } else if (event.keyCode === 39 && _.options.accessibility === true) { _.changeSlide({ data: { message: _.options.rtl === true ? 'previous' : 'next' } }); } } }; Slick.prototype.lazyLoad = function() { var _ = this, loadRange, cloneRange, rangeStart, rangeEnd; function loadImages(imagesScope) { $('img[data-lazy]', imagesScope).each(function() { var image = $(this), imageSource = $(this).attr('data-lazy'), imageToLoad = document.createElement('img'); imageToLoad.onload = function() { image .animate({ opacity: 0 }, 100, function() { image .attr('src', imageSource) .animate({ opacity: 1 }, 200, function() { image .removeAttr('data-lazy') .removeClass('slick-loading'); }); _.$slider.trigger('lazyLoaded', [_, image, imageSource]); }); }; imageToLoad.onerror = function() { image .removeAttr( 'data-lazy' ) .removeClass( 'slick-loading' ) .addClass( 'slick-lazyload-error' ); _.$slider.trigger('lazyLoadError', [ _, image, imageSource ]); }; imageToLoad.src = imageSource; }); } if (_.options.centerMode === true) { if (_.options.infinite === true) { rangeStart = _.currentSlide + (_.options.slidesToShow / 2 + 1); rangeEnd = rangeStart + _.options.slidesToShow + 2; } else { rangeStart = Math.max(0, _.currentSlide - (_.options.slidesToShow / 2 + 1)); rangeEnd = 2 + (_.options.slidesToShow / 2 + 1) + _.currentSlide; } } else { rangeStart = _.options.infinite ? _.options.slidesToShow + _.currentSlide : _.currentSlide; rangeEnd = Math.ceil(rangeStart + _.options.slidesToShow); if (_.options.fade === true) { if (rangeStart > 0) rangeStart--; if (rangeEnd <= _.slideCount) rangeEnd++; } } loadRange = _.$slider.find('.slick-slide').slice(rangeStart, rangeEnd); loadImages(loadRange); if (_.slideCount <= _.options.slidesToShow) { cloneRange = _.$slider.find('.slick-slide'); loadImages(cloneRange); } else if (_.currentSlide >= _.slideCount - _.options.slidesToShow) { cloneRange = _.$slider.find('.slick-cloned').slice(0, _.options.slidesToShow); loadImages(cloneRange); } else if (_.currentSlide === 0) { cloneRange = _.$slider.find('.slick-cloned').slice(_.options.slidesToShow * -1); loadImages(cloneRange); } }; Slick.prototype.loadSlider = function() { var _ = this; _.setPosition(); _.$slideTrack.css({ opacity: 1 }); _.$slider.removeClass('slick-loading'); _.initUI(); if (_.options.lazyLoad === 'progressive') { _.progressiveLazyLoad(); } }; Slick.prototype.next = Slick.prototype.slickNext = function() { var _ = this; _.changeSlide({ data: { message: 'next' } }); }; Slick.prototype.orientationChange = function() { var _ = this; _.checkResponsive(); _.setPosition(); }; Slick.prototype.pause = Slick.prototype.slickPause = function() { var _ = this; _.autoPlayClear(); _.paused = true; }; Slick.prototype.play = Slick.prototype.slickPlay = function() { var _ = this; _.autoPlay(); _.options.autoplay = true; _.paused = false; _.focussed = false; _.interrupted = false; }; Slick.prototype.postSlide = function(index) { var _ = this; if( !_.unslicked ) { _.$slider.trigger('afterChange', [_, index]); _.animating = false; _.setPosition(); _.swipeLeft = null; if ( _.options.autoplay ) { _.autoPlay(); } if (_.options.accessibility === true) { _.initADA(); } } }; Slick.prototype.prev = Slick.prototype.slickPrev = function() { var _ = this; _.changeSlide({ data: { message: 'previous' } }); }; Slick.prototype.preventDefault = function(event) { event.preventDefault(); }; Slick.prototype.progressiveLazyLoad = function( tryCount ) { tryCount = tryCount || 1; var _ = this, $imgsToLoad = $( 'img[data-lazy]', _.$slider ), image, imageSource, imageToLoad; if ( $imgsToLoad.length ) { image = $imgsToLoad.first(); imageSource = image.attr('data-lazy'); imageToLoad = document.createElement('img'); imageToLoad.onload = function() { image .attr( 'src', imageSource ) .removeAttr('data-lazy') .removeClass('slick-loading'); if ( _.options.adaptiveHeight === true ) { _.setPosition(); } _.$slider.trigger('lazyLoaded', [ _, image, imageSource ]); _.progressiveLazyLoad(); }; imageToLoad.onerror = function() { if ( tryCount < 3 ) { /** * try to load the image 3 times, * leave a slight delay so we don't get * servers blocking the request. */ setTimeout( function() { _.progressiveLazyLoad( tryCount + 1 ); }, 500 ); } else { image .removeAttr( 'data-lazy' ) .removeClass( 'slick-loading' ) .addClass( 'slick-lazyload-error' ); _.$slider.trigger('lazyLoadError', [ _, image, imageSource ]); _.progressiveLazyLoad(); } }; imageToLoad.src = imageSource; } else { _.$slider.trigger('allImagesLoaded', [ _ ]); } }; Slick.prototype.refresh = function( initializing ) { var _ = this, currentSlide, lastVisibleIndex; lastVisibleIndex = _.slideCount - _.options.slidesToShow; // in non-infinite sliders, we don't want to go past the // last visible index. if( !_.options.infinite && ( _.currentSlide > lastVisibleIndex )) { _.currentSlide = lastVisibleIndex; } // if less slides than to show, go to start. if ( _.slideCount <= _.options.slidesToShow ) { _.currentSlide = 0; } currentSlide = _.currentSlide; _.destroy(true); $.extend(_, _.initials, { currentSlide: currentSlide }); _.init(); if( !initializing ) { _.changeSlide({ data: { message: 'index', index: currentSlide } }, false); } }; Slick.prototype.registerBreakpoints = function() { var _ = this, breakpoint, currentBreakpoint, l, responsiveSettings = _.options.responsive || null; if ( $.type(responsiveSettings) === 'array' && responsiveSettings.length ) { _.respondTo = _.options.respondTo || 'window'; for ( breakpoint in responsiveSettings ) { l = _.breakpoints.length-1; currentBreakpoint = responsiveSettings[breakpoint].breakpoint; if (responsiveSettings.hasOwnProperty(breakpoint)) { // loop through the breakpoints and cut out any existing // ones with the same breakpoint number, we don't want dupes. while( l >= 0 ) { if( _.breakpoints[l] && _.breakpoints[l] === currentBreakpoint ) { _.breakpoints.splice(l,1); } l--; } _.breakpoints.push(currentBreakpoint); _.breakpointSettings[currentBreakpoint] = responsiveSettings[breakpoint].settings; } } _.breakpoints.sort(function(a, b) { return ( _.options.mobileFirst ) ? a-b : b-a; }); } }; Slick.prototype.reinit = function() { var _ = this; _.$slides = _.$slideTrack .children(_.options.slide) .addClass('slick-slide'); _.slideCount = _.$slides.length; if (_.currentSlide >= _.slideCount && _.currentSlide !== 0) { _.currentSlide = _.currentSlide - _.options.slidesToScroll; } if (_.slideCount <= _.options.slidesToShow) { _.currentSlide = 0; } _.registerBreakpoints(); _.setProps(); _.setupInfinite(); _.buildArrows(); _.updateArrows(); _.initArrowEvents(); _.buildDots(); _.updateDots(); _.initDotEvents(); _.cleanUpSlideEvents(); _.initSlideEvents(); _.checkResponsive(false, true); if (_.options.focusOnSelect === true) { $(_.$slideTrack).children().on('click.slick', _.selectHandler); } _.setSlideClasses(typeof _.currentSlide === 'number' ? _.currentSlide : 0); _.setPosition(); _.focusHandler(); _.paused = !_.options.autoplay; _.autoPlay(); _.$slider.trigger('reInit', [_]); }; Slick.prototype.resize = function() { var _ = this; if ($(window).width() !== _.windowWidth) { clearTimeout(_.windowDelay); _.windowDelay = window.setTimeout(function() { _.windowWidth = $(window).width(); _.checkResponsive(); if( !_.unslicked ) { _.setPosition(); } }, 50); } }; Slick.prototype.removeSlide = Slick.prototype.slickRemove = function(index, removeBefore, removeAll) { var _ = this; if (typeof(index) === 'boolean') { removeBefore = index; index = removeBefore === true ? 0 : _.slideCount - 1; } else { index = removeBefore === true ? --index : index; } if (_.slideCount < 1 || index < 0 || index > _.slideCount - 1) { return false; } _.unload(); if (removeAll === true) { _.$slideTrack.children().remove(); } else { _.$slideTrack.children(this.options.slide).eq(index).remove(); } _.$slides = _.$slideTrack.children(this.options.slide); _.$slideTrack.children(this.options.slide).detach(); _.$slideTrack.append(_.$slides); _.$slidesCache = _.$slides; _.reinit(); }; Slick.prototype.setCSS = function(position) { var _ = this, positionProps = {}, x, y; if (_.options.rtl === true) { position = -position; } x = _.positionProp == 'left' ? Math.ceil(position) + 'px' : '0px'; y = _.positionProp == 'top' ? Math.ceil(position) + 'px' : '0px'; positionProps[_.positionProp] = position; if (_.transformsEnabled === false) { _.$slideTrack.css(positionProps); } else { positionProps = {}; if (_.cssTransitions === false) { positionProps[_.animType] = 'translate(' + x + ', ' + y + ')'; _.$slideTrack.css(positionProps); } else { positionProps[_.animType] = 'translate3d(' + x + ', ' + y + ', 0px)'; _.$slideTrack.css(positionProps); } } }; Slick.prototype.setDimensions = function() { var _ = this; if (_.options.vertical === false) { if (_.options.centerMode === true) { _.$list.css({ padding: ('0px ' + _.options.centerPadding) }); } } else { _.$list.height(_.$slides.first().outerHeight(true) * _.options.slidesToShow); if (_.options.centerMode === true) { _.$list.css({ padding: (_.options.centerPadding + ' 0px') }); } } _.listWidth = _.$list.width(); _.listHeight = _.$list.height(); if (_.options.vertical === false && _.options.variableWidth === false) { _.slideWidth = Math.ceil(_.listWidth / _.options.slidesToShow); _.$slideTrack.width(Math.ceil((_.slideWidth * _.$slideTrack.children('.slick-slide').length))); } else if (_.options.variableWidth === true) { _.$slideTrack.width(5000 * _.slideCount); } else { _.slideWidth = Math.ceil(_.listWidth); _.$slideTrack.height(Math.ceil((_.$slides.first().outerHeight(true) * _.$slideTrack.children('.slick-slide').length))); } var offset = _.$slides.first().outerWidth(true) - _.$slides.first().width(); if (_.options.variableWidth === false) _.$slideTrack.children('.slick-slide').width(_.slideWidth - offset); }; Slick.prototype.setFade = function() { var _ = this, targetLeft; _.$slides.each(function(index, element) { targetLeft = (_.slideWidth * index) * -1; if (_.options.rtl === true) { $(element).css({ position: 'relative', right: targetLeft, top: 0, zIndex: _.options.zIndex - 2, opacity: 0 }); } else { $(element).css({ position: 'relative', left: targetLeft, top: 0, zIndex: _.options.zIndex - 2, opacity: 0 }); } }); _.$slides.eq(_.currentSlide).css({ zIndex: _.options.zIndex - 1, opacity: 1 }); }; Slick.prototype.setHeight = function() { var _ = this; if (_.options.slidesToShow === 1 && _.options.adaptiveHeight === true && _.options.vertical === false) { var targetHeight = _.$slides.eq(_.currentSlide).outerHeight(true); _.$list.css('height', targetHeight); } }; Slick.prototype.setOption = Slick.prototype.slickSetOption = function() { /** * accepts arguments in format of: * * - for changing a single option's value: * .slick("setOption", option, value, refresh ) * * - for changing a set of responsive options: * .slick("setOption", 'responsive', [{}, ...], refresh ) * * - for updating multiple values at once (not responsive) * .slick("setOption", { 'option': value, ... }, refresh ) */ var _ = this, l, item, option, value, refresh = false, type; if( $.type( arguments[0] ) === 'object' ) { option = arguments[0]; refresh = arguments[1]; type = 'multiple'; } else if ( $.type( arguments[0] ) === 'string' ) { option = arguments[0]; value = arguments[1]; refresh = arguments[2]; if ( arguments[0] === 'responsive' && $.type( arguments[1] ) === 'array' ) { type = 'responsive'; } else if ( typeof arguments[1] !== 'undefined' ) { type = 'single'; } } if ( type === 'single' ) { _.options[option] = value; } else if ( type === 'multiple' ) { $.each( option , function( opt, val ) { _.options[opt] = val; }); } else if ( type === 'responsive' ) { for ( item in value ) { if( $.type( _.options.responsive ) !== 'array' ) { _.options.responsive = [ value[item] ]; } else { l = _.options.responsive.length-1; // loop through the responsive object and splice out duplicates. while( l >= 0 ) { if( _.options.responsive[l].breakpoint === value[item].breakpoint ) { _.options.responsive.splice(l,1); } l--; } _.options.responsive.push( value[item] ); } } } if ( refresh ) { _.unload(); _.reinit(); } }; Slick.prototype.setPosition = function() { var _ = this; _.setDimensions(); _.setHeight(); if (_.options.fade === false) { _.setCSS(_.getLeft(_.currentSlide)); } else { _.setFade(); } _.$slider.trigger('setPosition', [_]); }; Slick.prototype.setProps = function() { var _ = this, bodyStyle = document.body.style; _.positionProp = _.options.vertical === true ? 'top' : 'left'; if (_.positionProp === 'top') { _.$slider.addClass('slick-vertical'); } else { _.$slider.removeClass('slick-vertical'); } if (bodyStyle.WebkitTransition !== undefined || bodyStyle.MozTransition !== undefined || bodyStyle.msTransition !== undefined) { if (_.options.useCSS === true) { _.cssTransitions = true; } } if ( _.options.fade ) { if ( typeof _.options.zIndex === 'number' ) { if( _.options.zIndex < 3 ) { _.options.zIndex = 3; } } else { _.options.zIndex = _.defaults.zIndex; } } if (bodyStyle.OTransform !== undefined) { _.animType = 'OTransform'; _.transformType = '-o-transform'; _.transitionType = 'OTransition'; if (bodyStyle.perspectiveProperty === undefined && bodyStyle.webkitPerspective === undefined) _.animType = false; } if (bodyStyle.MozTransform !== undefined) { _.animType = 'MozTransform'; _.transformType = '-moz-transform'; _.transitionType = 'MozTransition'; if (bodyStyle.perspectiveProperty === undefined && bodyStyle.MozPerspective === undefined) _.animType = false; } if (bodyStyle.webkitTransform !== undefined) { _.animType = 'webkitTransform'; _.transformType = '-webkit-transform'; _.transitionType = 'webkitTransition'; if (bodyStyle.perspectiveProperty === undefined && bodyStyle.webkitPerspective === undefined) _.animType = false; } if (bodyStyle.msTransform !== undefined) { _.animType = 'msTransform'; _.transformType = '-ms-transform'; _.transitionType = 'msTransition'; if (bodyStyle.msTransform === undefined) _.animType = false; } if (bodyStyle.transform !== undefined && _.animType !== false) { _.animType = 'transform'; _.transformType = 'transform'; _.transitionType = 'transition'; } _.transformsEnabled = _.options.useTransform && (_.animType !== null && _.animType !== false); }; Slick.prototype.setSlideClasses = function(index) { var _ = this, centerOffset, allSlides, indexOffset, remainder; allSlides = _.$slider .find('.slick-slide') .removeClass('slick-active slick-center slick-current') .attr('aria-hidden', 'true'); _.$slides .eq(index) .addClass('slick-current'); if (_.options.centerMode === true) { centerOffset = Math.floor(_.options.slidesToShow / 2); if (_.options.infinite === true) { if (index >= centerOffset && index <= (_.slideCount - 1) - centerOffset) { _.$slides .slice(index - centerOffset, index + centerOffset + 1) .addClass('slick-active') .attr('aria-hidden', 'false'); } else { indexOffset = _.options.slidesToShow + index; allSlides .slice(indexOffset - centerOffset + 1, indexOffset + centerOffset + 2) .addClass('slick-active') .attr('aria-hidden', 'false'); } if (index === 0) { allSlides .eq(allSlides.length - 1 - _.options.slidesToShow) .addClass('slick-center'); } else if (index === _.slideCount - 1) { allSlides .eq(_.options.slidesToShow) .addClass('slick-center'); } } _.$slides .eq(index) .addClass('slick-center'); } else { if (index >= 0 && index <= (_.slideCount - _.options.slidesToShow)) { _.$slides .slice(index, index + _.options.slidesToShow) .addClass('slick-active') .attr('aria-hidden', 'false'); } else if (allSlides.length <= _.options.slidesToShow) { allSlides .addClass('slick-active') .attr('aria-hidden', 'false'); } else { remainder = _.slideCount % _.options.slidesToShow; indexOffset = _.options.infinite === true ? _.options.slidesToShow + index : index; if (_.options.slidesToShow == _.options.slidesToScroll && (_.slideCount - index) < _.options.slidesToShow) { allSlides .slice(indexOffset - (_.options.slidesToShow - remainder), indexOffset + remainder) .addClass('slick-active') .attr('aria-hidden', 'false'); } else { allSlides .slice(indexOffset, indexOffset + _.options.slidesToShow) .addClass('slick-active') .attr('aria-hidden', 'false'); } } } if (_.options.lazyLoad === 'ondemand') { _.lazyLoad(); } }; Slick.prototype.setupInfinite = function() { var _ = this, i, slideIndex, infiniteCount; if (_.options.fade === true) { _.options.centerMode = false; } if (_.options.infinite === true && _.options.fade === false) { slideIndex = null; if (_.slideCount > _.options.slidesToShow) { if (_.options.centerMode === true) { infiniteCount = _.options.slidesToShow + 1; } else { infiniteCount = _.options.slidesToShow; } for (i = _.slideCount; i > (_.slideCount - infiniteCount); i -= 1) { slideIndex = i - 1; $(_.$slides[slideIndex]).clone(true).attr('id', '') .attr('data-slick-index', slideIndex - _.slideCount) .prependTo(_.$slideTrack).addClass('slick-cloned'); } for (i = 0; i < infiniteCount; i += 1) { slideIndex = i; $(_.$slides[slideIndex]).clone(true).attr('id', '') .attr('data-slick-index', slideIndex + _.slideCount) .appendTo(_.$slideTrack).addClass('slick-cloned'); } _.$slideTrack.find('.slick-cloned').find('[id]').each(function() { $(this).attr('id', ''); }); } } }; Slick.prototype.interrupt = function( toggle ) { var _ = this; if( !toggle ) { _.autoPlay(); } _.interrupted = toggle; }; Slick.prototype.selectHandler = function(event) { var _ = this; var targetElement = $(event.target).is('.slick-slide') ? $(event.target) : $(event.target).parents('.slick-slide'); var index = parseInt(targetElement.attr('data-slick-index')); if (!index) index = 0; if (_.slideCount <= _.options.slidesToShow) { _.setSlideClasses(index); _.asNavFor(index); return; } _.slideHandler(index); }; Slick.prototype.slideHandler = function(index, sync, dontAnimate) { var targetSlide, animSlide, oldSlide, slideLeft, targetLeft = null, _ = this, navTarget; sync = sync || false; if (_.animating === true && _.options.waitForAnimate === true) { return; } if (_.options.fade === true && _.currentSlide === index) { return; } if (_.slideCount <= _.options.slidesToShow) { return; } if (sync === false) { _.asNavFor(index); } targetSlide = index; targetLeft = _.getLeft(targetSlide); slideLeft = _.getLeft(_.currentSlide); _.currentLeft = _.swipeLeft === null ? slideLeft : _.swipeLeft; if (_.options.infinite === false && _.options.centerMode === false && (index < 0 || index > _.getDotCount() * _.options.slidesToScroll)) { if (_.options.fade === false) { targetSlide = _.currentSlide; if (dontAnimate !== true) { _.animateSlide(slideLeft, function() { _.postSlide(targetSlide); }); } else { _.postSlide(targetSlide); } } return; } else if (_.options.infinite === false && _.options.centerMode === true && (index < 0 || index > (_.slideCount - _.options.slidesToScroll))) { if (_.options.fade === false) { targetSlide = _.currentSlide; if (dontAnimate !== true) { _.animateSlide(slideLeft, function() { _.postSlide(targetSlide); }); } else { _.postSlide(targetSlide); } } return; } if ( _.options.autoplay ) { clearInterval(_.autoPlayTimer); } if (targetSlide < 0) { if (_.slideCount % _.options.slidesToScroll !== 0) { animSlide = _.slideCount - (_.slideCount % _.options.slidesToScroll); } else { animSlide = _.slideCount + targetSlide; } } else if (targetSlide >= _.slideCount) { if (_.slideCount % _.options.slidesToScroll !== 0) { animSlide = 0; } else { animSlide = targetSlide - _.slideCount; } } else { animSlide = targetSlide; } _.animating = true; _.$slider.trigger('beforeChange', [_, _.currentSlide, animSlide]); oldSlide = _.currentSlide; _.currentSlide = animSlide; _.setSlideClasses(_.currentSlide); if ( _.options.asNavFor ) { navTarget = _.getNavTarget(); navTarget = navTarget.slick('getSlick'); if ( navTarget.slideCount <= navTarget.options.slidesToShow ) { navTarget.setSlideClasses(_.currentSlide); } } _.updateDots(); _.updateArrows(); if (_.options.fade === true) { if (dontAnimate !== true) { _.fadeSlideOut(oldSlide); _.fadeSlide(animSlide, function() { _.postSlide(animSlide); }); } else { _.postSlide(animSlide); } _.animateHeight(); return; } if (dontAnimate !== true) { _.animateSlide(targetLeft, function() { _.postSlide(animSlide); }); } else { _.postSlide(animSlide); } }; Slick.prototype.startLoad = function() { var _ = this; if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) { _.$prevArrow.hide(); _.$nextArrow.hide(); } if (_.options.dots === true && _.slideCount > _.options.slidesToShow) { _.$dots.hide(); } _.$slider.addClass('slick-loading'); }; Slick.prototype.swipeDirection = function() { var xDist, yDist, r, swipeAngle, _ = this; xDist = _.touchObject.startX - _.touchObject.curX; yDist = _.touchObject.startY - _.touchObject.curY; r = Math.atan2(yDist, xDist); swipeAngle = Math.round(r * 180 / Math.PI); if (swipeAngle < 0) { swipeAngle = 360 - Math.abs(swipeAngle); } if ((swipeAngle <= 45) && (swipeAngle >= 0)) { return (_.options.rtl === false ? 'left' : 'right'); } if ((swipeAngle <= 360) && (swipeAngle >= 315)) { return (_.options.rtl === false ? 'left' : 'right'); } if ((swipeAngle >= 135) && (swipeAngle <= 225)) { return (_.options.rtl === false ? 'right' : 'left'); } if (_.options.verticalSwiping === true) { if ((swipeAngle >= 35) && (swipeAngle <= 135)) { return 'down'; } else { return 'up'; } } return 'vertical'; }; Slick.prototype.swipeEnd = function(event) { var _ = this, slideCount, direction; _.dragging = false; _.interrupted = false; _.shouldClick = ( _.touchObject.swipeLength > 10 ) ? false : true; if ( _.touchObject.curX === undefined ) { return false; } if ( _.touchObject.edgeHit === true ) { _.$slider.trigger('edge', [_, _.swipeDirection() ]); } if ( _.touchObject.swipeLength >= _.touchObject.minSwipe ) { direction = _.swipeDirection(); switch ( direction ) { case 'left': case 'down': slideCount = _.options.swipeToSlide ? _.checkNavigable( _.currentSlide + _.getSlideCount() ) : _.currentSlide + _.getSlideCount(); _.currentDirection = 0; break; case 'right': case 'up': slideCount = _.options.swipeToSlide ? _.checkNavigable( _.currentSlide - _.getSlideCount() ) : _.currentSlide - _.getSlideCount(); _.currentDirection = 1; break; default: } if( direction != 'vertical' ) { _.slideHandler( slideCount ); _.touchObject = {}; _.$slider.trigger('swipe', [_, direction ]); } } else { if ( _.touchObject.startX !== _.touchObject.curX ) { _.slideHandler( _.currentSlide ); _.touchObject = {}; } } }; Slick.prototype.swipeHandler = function(event) { var _ = this; if ((_.options.swipe === false) || ('ontouchend' in document && _.options.swipe === false)) { return; } else if (_.options.draggable === false && event.type.indexOf('mouse') !== -1) { return; } _.touchObject.fingerCount = event.originalEvent && event.originalEvent.touches !== undefined ? event.originalEvent.touches.length : 1; _.touchObject.minSwipe = _.listWidth / _.options .touchThreshold; if (_.options.verticalSwiping === true) { _.touchObject.minSwipe = _.listHeight / _.options .touchThreshold; } switch (event.data.action) { case 'start': _.swipeStart(event); break; case 'move': _.swipeMove(event); break; case 'end': _.swipeEnd(event); break; } }; Slick.prototype.swipeMove = function(event) { var _ = this, edgeWasHit = false, curLeft, swipeDirection, swipeLength, positionOffset, touches; touches = event.originalEvent !== undefined ? event.originalEvent.touches : null; if (!_.dragging || touches && touches.length !== 1) { return false; } curLeft = _.getLeft(_.currentSlide); _.touchObject.curX = touches !== undefined ? touches[0].pageX : event.clientX; _.touchObject.curY = touches !== undefined ? touches[0].pageY : event.clientY; _.touchObject.swipeLength = Math.round(Math.sqrt( Math.pow(_.touchObject.curX - _.touchObject.startX, 2))); if (_.options.verticalSwiping === true) { _.touchObject.swipeLength = Math.round(Math.sqrt( Math.pow(_.touchObject.curY - _.touchObject.startY, 2))); } swipeDirection = _.swipeDirection(); if (swipeDirection === 'vertical') { return; } if (event.originalEvent !== undefined && _.touchObject.swipeLength > 4) { event.preventDefault(); } positionOffset = (_.options.rtl === false ? 1 : -1) * (_.touchObject.curX > _.touchObject.startX ? 1 : -1); if (_.options.verticalSwiping === true) { positionOffset = _.touchObject.curY > _.touchObject.startY ? 1 : -1; } swipeLength = _.touchObject.swipeLength; _.touchObject.edgeHit = false; if (_.options.infinite === false) { if ((_.currentSlide === 0 && swipeDirection === 'right') || (_.currentSlide >= _.getDotCount() && swipeDirection === 'left')) { swipeLength = _.touchObject.swipeLength * _.options.edgeFriction; _.touchObject.edgeHit = true; } } if (_.options.vertical === false) { _.swipeLeft = curLeft + swipeLength * positionOffset; } else { _.swipeLeft = curLeft + (swipeLength * (_.$list.height() / _.listWidth)) * positionOffset; } if (_.options.verticalSwiping === true) { _.swipeLeft = curLeft + swipeLength * positionOffset; } if (_.options.fade === true || _.options.touchMove === false) { return false; } if (_.animating === true) { _.swipeLeft = null; return false; } _.setCSS(_.swipeLeft); }; Slick.prototype.swipeStart = function(event) { var _ = this, touches; _.interrupted = true; if (_.touchObject.fingerCount !== 1 || _.slideCount <= _.options.slidesToShow) { _.touchObject = {}; return false; } if (event.originalEvent !== undefined && event.originalEvent.touches !== undefined) { touches = event.originalEvent.touches[0]; } _.touchObject.startX = _.touchObject.curX = touches !== undefined ? touches.pageX : event.clientX; _.touchObject.startY = _.touchObject.curY = touches !== undefined ? touches.pageY : event.clientY; _.dragging = true; }; Slick.prototype.unfilterSlides = Slick.prototype.slickUnfilter = function() { var _ = this; if (_.$slidesCache !== null) { _.unload(); _.$slideTrack.children(this.options.slide).detach(); _.$slidesCache.appendTo(_.$slideTrack); _.reinit(); } }; Slick.prototype.unload = function() { var _ = this; $('.slick-cloned', _.$slider).remove(); if (_.$dots) { _.$dots.remove(); } if (_.$prevArrow && _.htmlExpr.test(_.options.prevArrow)) { _.$prevArrow.remove(); } if (_.$nextArrow && _.htmlExpr.test(_.options.nextArrow)) { _.$nextArrow.remove(); } _.$slides .removeClass('slick-slide slick-active slick-visible slick-current') .attr('aria-hidden', 'true') .css('width', ''); }; Slick.prototype.unslick = function(fromBreakpoint) { var _ = this; _.$slider.trigger('unslick', [_, fromBreakpoint]); _.destroy(); }; Slick.prototype.updateArrows = function() { var _ = this, centerOffset; centerOffset = Math.floor(_.options.slidesToShow / 2); if ( _.options.arrows === true && _.slideCount > _.options.slidesToShow && !_.options.infinite ) { _.$prevArrow.removeClass('slick-disabled').attr('aria-disabled', 'false'); _.$nextArrow.removeClass('slick-disabled').attr('aria-disabled', 'false'); if (_.currentSlide === 0) { _.$prevArrow.addClass('slick-disabled').attr('aria-disabled', 'true'); _.$nextArrow.removeClass('slick-disabled').attr('aria-disabled', 'false'); } else if (_.currentSlide >= _.slideCount - _.options.slidesToShow && _.options.centerMode === false) { _.$nextArrow.addClass('slick-disabled').attr('aria-disabled', 'true'); _.$prevArrow.removeClass('slick-disabled').attr('aria-disabled', 'false'); } else if (_.currentSlide >= _.slideCount - 1 && _.options.centerMode === true) { _.$nextArrow.addClass('slick-disabled').attr('aria-disabled', 'true'); _.$prevArrow.removeClass('slick-disabled').attr('aria-disabled', 'false'); } } }; Slick.prototype.updateDots = function() { var _ = this; if (_.$dots !== null) { _.$dots .find('li') .removeClass('slick-active') .attr('aria-hidden', 'true'); _.$dots .find('li') .eq(Math.floor(_.currentSlide / _.options.slidesToScroll)) .addClass('slick-active') .attr('aria-hidden', 'false'); } }; Slick.prototype.visibility = function() { var _ = this; if ( _.options.autoplay ) { if ( document[_.hidden] ) { _.interrupted = true; } else { _.interrupted = false; } } }; $.fn.slick = function() { var _ = this, opt = arguments[0], args = Array.prototype.slice.call(arguments, 1), l = _.length, i, ret; for (i = 0; i < l; i++) { if (typeof opt == 'object' || typeof opt == 'undefined') _[i].slick = new Slick(_[i], opt); else ret = _[i].slick[opt].apply(_[i].slick, args); if (typeof ret != 'undefined') return ret; } return _; }; })); // https://github.com/ghiculescu/jekyll-table-of-contents (function ($) { $.fn.toc = function (options) { var defaults = { noBackToTopLinks: false, title: "<h2>Table of contents</h2>", minimumHeaders: 3, headers: "h1, h2, h3, h4, h5, h6", listType: "ol", // values: [ol|ul] showEffect: "show", // values: [show|slideDown|fadeIn|none] showSpeed: "slow" // set to 0 to deactivate effect }, settings = $.extend(defaults, options); function fixedEncodeURIComponent(str) { return encodeURIComponent(str).replace(/[!"()*]/g, function (c) { return "%" + c.charCodeAt(0).toString(16); }); } var headers = $(settings.headers).filter(function () { // get all headers with an ID var previousSiblingName = $(this).prev().attr("name"); if (!this.id && previousSiblingName) { this.id = $(this).attr("id", previousSiblingName.replace(/\./g, "-")); } return this.id; }), output = $(this); if (!headers.length || headers.length < settings.minimumHeaders || !output.length) { return; } if (0 === settings.showSpeed) { settings.showEffect = "none"; } var render = { show: function () { output.hide().html(html).show(settings.showSpeed); }, slideDown: function () { output.hide().html(html).slideDown(settings.showSpeed); }, fadeIn: function () { output.hide().html(html).fadeIn(settings.showSpeed); }, none: function () { output.html(html); } }; var get_level = function (ele) { return parseInt(ele.nodeName.replace("H", ""), 10); } var highest_level = headers.map(function (_, ele) { return get_level(ele); }).get().sort()[0]; var return_to_top = "<i class=\"fa fa-caret-up back-to-top\"> </i>"; var level = get_level(headers[0]), this_level, html = "<" + settings.listType + ">"; headers.on("click", function () { if (!settings.noBackToTopLinks) { window.location.hash = this.id; } }) .addClass("clickable-header") .each(function (_, header) { this_level = get_level(header); if (!settings.noBackToTopLinks && this_level === highest_level) { $(header).addClass("top-level-header").after(return_to_top); } if (this_level === level) // same level as before; same indenting html += "<li><a href=\"#" + fixedEncodeURIComponent(header.id) + "\">" + header.innerHTML + "</a>"; else if (this_level <= level) { // higher level than before; end parent ol for (i = this_level; i < level; i++) { html += "</li></" + settings.listType + ">" } html += "<li><a href=\"#" + fixedEncodeURIComponent(header.id) + "\">" + header.innerHTML + "</a>"; } else if (this_level > level) { // lower level than before; expand the previous to contain a ol for (i = this_level; i > level; i--) { html += "<" + settings.listType + "><li>" } html += "<a href=\"#" + fixedEncodeURIComponent(header.id) + "\">" + header.innerHTML + "</a>"; } level = this_level; // update for the next one }); html += "</" + settings.listType + ">"; if (!settings.noBackToTopLinks) { $(document).on("click", ".back-to-top", function () { $(window).scrollTop(0); window.location.hash = ""; return false; }); } render[settings.showEffect](); }; })(jQuery); String.format = function () { var myString = arguments[0]; for (var i = 1; i < arguments.length; i++) { var regX = new RegExp("\\{" + (i - 1) + "\\}", "gm"); myString = myString.replace(regX, arguments[i]); } return myString; }; Date.prototype.addHours = function (hours) { return new Date( this.getFullYear(), this.getMonth(), this.getDate(), this.getHours() + hours, this.getMinutes(), this.getSeconds(), this.getMilliseconds() ); }; window.utils = window.utils || {}; utils.getQueryParam = function (name) { "use strict"; name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]"); var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"), results = regex.exec(location.search); return results === null ? "" : decodeURIComponent(results[1].replace(/\+/g, " ")); }; utils.countOccurrences = function (text, searchTerm) { text += ""; searchTerm += ""; if (searchTerm.length <= 0) return text.length + 1; var n = 0, pos = 0; var step = searchTerm.length; while (true) { pos = text.indexOf(searchTerm, pos); if (pos >= 0) { n++; pos += step; } else break; } return (n); }; window.app = window.app || {}; window.app.analytics = (function () { function sendEvent(category, action, label, value) { if (!window.ga) { return; } try { ga("send", "event", category, action, label, value); } catch(ex) {} } return { sendEvent: sendEvent }; })(); window.app = window.app || {}; window.app.storage = (function () { var prefix = "ace3_"; var timeToInvalidateItem = 1; // 1h // gets an item from sessionStorage and checks if the time to invalidate the item is over function getItem (key) { var currentItem = window.sessionStorage.getItem(prefix + key); if (!currentItem) { return null; } currentItem = JSON.parse(currentItem); // item is valid if (new Date(currentItem.date).addHours(timeToInvalidateItem) > new Date()) { return currentItem.item; } return null; } // saves an item in the sessionStorage and adds a timestamp function setItem (key, value) { var itemToSave = { date: new Date(), item: value }; var currentItem = JSON.stringify(itemToSave); window.sessionStorage.setItem(prefix + key, currentItem); } return { getItem: getItem, setItem: setItem }; })(); window.app = window.app || {}; window.app.contentSearch = (function ($) { var searchJsonUrl = "/js/search.json"; var storageKeyName = "searchResult"; var searchTermParamName = "searchTerm"; var _searchStartLength = 3; var _maxEntriesLive = 10; var _maxEntriesContent = 25; var _maxDescriptionLengthLive = 80; var _maxDescriptionLengthContent = 140; var _searchTerm = ""; var _searchTermCombined = ""; var _timeOutID; var $liveSearch = $("#liveSearch"); var $liveSearchField = $liveSearch.find(".liveSearch-field"); var $liveSearchResultList = $liveSearch.find(".liveSearch-result-list"); var $liveSearchButton = $liveSearch.find(".liveSearch-button"); var $contentSearchField = $liveSearch.find(".contentSearch-field"); var $contentSearchResultList = $(".searchPage-result-list"); function init() { updateSearchFieldFromQueryParams(); $liveSearchField.on("keyup", handleLiveKeyDown); $liveSearchField.on("blur", function () { setTimeout(hideLiveResultList, 300); }); $liveSearchButton.on("click", openSearchPage); $contentSearchField.on("keyup", handleContentKeyDown); } /* === UTIL === */ function findSearchTermInArray(response, maxEntries) { var results = [], i = 0, j = 0, length = response.length, text = "", multiplier = 0; for (i; i < length; i++) { var found = false; if (results.length >= maxEntries) { break; } var currentPage = response[i]; currentPage.value = 0; var occurrences = 0; for (j = 0; j < 4; j++) { occurrences = 0; switch (j) { case 0: text = currentPage.description.toLowerCase(); multiplier = 100; break; case 1: text = currentPage.title.toLowerCase(); multiplier = 1000; break; case 2: text = currentPage.group.toLowerCase(); multiplier = 10; break; case 3: text = currentPage.content.toLowerCase(); multiplier = 1; } if (text.indexOf(_searchTerm) >= 0 || text.indexOf(_searchTermCombined) >= 0) { found = true; occurrences = utils.countOccurrences(text, _searchTerm); if (_searchTermCombined !== _searchTerm) { occurrences += utils.countOccurrences(text, _searchTermCombined); } if (occurrences > 0) { currentPage.value += (occurrences * multiplier); } } } if (found) { results.push(currentPage); } } results = results.sort(function(x,y) { if (x.value > y.value) { return -1; } else if(y.value > x.value) { return 1; } else { return 0; } }); return results; } function getSearchResults() { return $.getJSON(searchJsonUrl); } function searchTermValid(searchTerm) { if (searchTerm === "" || searchTerm.length < _searchStartLength) { return false; } else { return true; } } /* === LIVE SEARCH === */ function handleLiveKeyDown(e) { // arrow down, arrow up if (e.keyCode === 38 || e.keyCode === 40) { e.preventDefault(); return false; } // enter if (e.keyCode === 13) { e.preventDefault(); openSearchPage(e); return false; } // delays input and makes sure that only a complete search is sent clearTimeout(_timeOutID); _timeOutID = setTimeout(search, 300); } function showLiveResultList(results) { if (!results) { $liveSearchResultList.removeClass("hidden"); return; } var i = 0, length = results.length; var html = ""; for (i; i < length; i++) { var currentPage = results[i]; var description = currentPage.description; if (description.length > _maxDescriptionLengthLive) { description = description.substr(0, _maxDescriptionLengthLive) + "…" } html += String.format("<li><a href=\"{1}\">{0}<br><small>{2}</small></a></li>", currentPage.title, currentPage.url, description); } $liveSearchResultList.empty().append(html).removeClass("hidden"); } function hideLiveResultList() { $liveSearchResultList.addClass("hidden"); } function search() { var term = $liveSearchField.val(); _searchTerm = term.trim().toLowerCase(); _searchTermCombined = _searchTerm.replace(" ", ""); if (!searchTermValid(_searchTerm)) { $liveSearchResultList.empty(); return false; } startLiveSearch(); } function startLiveSearch() { var cachedSearchResults = app.storage.getItem(storageKeyName); if (!cachedSearchResults) { getSearchResults().done(function (response) { app.storage.setItem(storageKeyName, response); handleLiveSearchResult(response); }); } else { handleLiveSearchResult(cachedSearchResults); } } function handleLiveSearchResult(response) { var results = findSearchTermInArray(response, _maxEntriesLive); app.analytics.sendEvent("LiveSearch", "Search", _searchTerm); showLiveResultList(results); } function openSearchPage(e) { e.preventDefault(); var searchTerm = $liveSearchField.val().trim(); app.analytics.sendEvent("LiveSearch", "OpenSearchPage", searchTerm); document.location.href = String.format("search.html?{0}={1}", searchTermParamName, encodeURIComponent(searchTerm)); return false; } /* === CONTENT SEARCH === */ function handleContentKeyDown(e) { // arrow down, arrow up if (e.keyCode === 38 || e.keyCode === 40) { e.preventDefault(); return false; } // enter if (e.keyCode === 13) { e.preventDefault(); contentSearch(); return false; } // delays input and makes sure that only a complete search is sent clearTimeout(_timeOutID); _timeOutID = setTimeout(contentSearch, 300); } function contentSearch() { var term = $contentSearchField.val(); _searchTerm = term.trim().toLowerCase(); _searchTermCombined = _searchTerm.replace(" ", ""); if (!searchTermValid(_searchTerm)) { return false; } startContentSearch(); } function updateSearchFieldFromQueryParams() { _searchTerm = utils.getQueryParam(searchTermParamName); _searchTermCombined = _searchTerm.replace(" ", ""); $contentSearchField.val(_searchTerm); if (searchTermValid(_searchTerm)) { startContentSearch(); } } function startContentSearch() { var cachedSearchResults = app.storage.getItem(storageKeyName); if (!cachedSearchResults) { getSearchResults().done(function (response) { app.storage.setItem(storageKeyName, response); handleContentSearchResult(response); }); } else { handleContentSearchResult(cachedSearchResults); } } function handleContentSearchResult(response) { var results = findSearchTermInArray(response, _maxEntriesContent); app.analytics.sendEvent("ContentSearch", "Search", _searchTerm); showContentResultList(results); } function showContentResultList(results) { var i = 0, length = results.length; var html = ""; for (i; i < length; i++) { var currentPage = results[i]; var description = currentPage.description; if (description.length > _maxDescriptionLengthContent) { description = description.substr(0, _maxDescriptionLengthContent) + "…" } html += String.format("<li><a href=\"{1}\">{0}</a><span class=\"additionalInfo\"><br><small><span class=\"url\">{3}</span><br><span class\"description\">{2}</small></small></span></li>", currentPage.title, currentPage.url, description, document.location.origin + currentPage.url); } $contentSearchResultList.empty().append(html); } return { init: init }; })(jQuery); jQuery(document).foundation(); jQuery(document).ready(function(){ var $slider = jQuery(".slider"); if ($slider.length > 0) { $slider.slick({ arrows: true, dots: true, slidesToShow: 1, slidesToScroll: 1, autoplay: true, autoplaySpeed: 6000, responsive: [ { breakpoint: 640, settings: { arrows: false } } ] }); } var $toc = jQuery("#toc"); if ($toc.length > 0) { $toc.toc({ headers: "#content h2, #content h3, #content h4, #content h5, #content h6", showEffect: "none" }); if ($toc.html() === "") { jQuery(".js-expandToc").remove(); jQuery(".toc-header").remove(); } } var $tables = $("#content table"); $tables.each(function(index, item) { var $table = $(item); $table.wrap("<div class=\"table-wrapper\">") }); }); window.app = window.app || {}; window.app.contentSearch.init();