jQuery(document).ready(function ($) { //set animation timing var animationDelay = 2500, //loading bar effect barAnimationDelay = 3800, barWaiting = barAnimationDelay - 3000, //3000 is the duration of the transition on the loading bar - set in the scss/css file //letters effect lettersDelay = 50, //type effect typeLettersDelay = 150, selectionDuration = 500, typeAnimationDelay = selectionDuration + 800, //clip effect revealDuration = 600, revealAnimationDelay = 1500; initHeadline(); function initHeadline() { //insert element for each letter of a changing word singleLetters($('.cd-headline.letters').find('b')); //initialise headline animation animateHeadline($('.cd-headline')); } function singleLetters($words) { $words.each(function () { var word = $(this), letters = word.text().split(''), selected = word.hasClass('is-visible'); for (i in letters) { if (word.parents('.rotate-2').length > 0) letters[i] = '' + letters[i] + ''; letters[i] = (selected) ? '' + letters[i] + '' : '' + letters[i] + ''; } var newLetters = letters.join(''); word.html(newLetters); }); } function animateHeadline($headlines) { var duration = animationDelay; $headlines.each(function () { var headline = $(this); if (headline.hasClass('loading-bar')) { duration = barAnimationDelay; setTimeout(function () { headline.find('.cd-words-wrapper').addClass('is-loading') }, barWaiting); } else if (headline.hasClass('clip')) { var spanWrapper = headline.find('.cd-words-wrapper'), newWidth = spanWrapper.width() + 10 spanWrapper.css('width', newWidth); } else if (!headline.hasClass('type')) { //assign to .cd-words-wrapper the width of its longest word var words = headline.find('.cd-words-wrapper b'), width = 0; words.each(function () { var wordWidth = $(this).width(); if (wordWidth > width) width = wordWidth; }); headline.find('.cd-words-wrapper').css('width', width); }; //trigger animation setTimeout(function () { hideWord(headline.find('.is-visible').eq(0)) }, duration); }); } function hideWord($word) { var nextWord = takeNext($word); if ($word.parents('.cd-headline').hasClass('type')) { var parentSpan = $word.parent('.cd-words-wrapper'); parentSpan.addClass('selected').removeClass('waiting'); setTimeout(function () { parentSpan.removeClass('selected'); $word.removeClass('is-visible').addClass('is-hidden').children('i').removeClass('in').addClass('out'); }, selectionDuration); setTimeout(function () { showWord(nextWord, typeLettersDelay) }, typeAnimationDelay); } else if ($word.parents('.cd-headline').hasClass('letters')) { var bool = ($word.children('i').length >= nextWord.children('i').length) ? true : false; hideLetter($word.find('i').eq(0), $word, bool, lettersDelay); showLetter(nextWord.find('i').eq(0), nextWord, bool, lettersDelay); } else if ($word.parents('.cd-headline').hasClass('clip')) { $word.parents('.cd-words-wrapper').animate({ width: '2px' }, revealDuration, function () { switchWord($word, nextWord); showWord(nextWord); }); } else if ($word.parents('.cd-headline').hasClass('loading-bar')) { $word.parents('.cd-words-wrapper').removeClass('is-loading'); switchWord($word, nextWord); setTimeout(function () { hideWord(nextWord) }, barAnimationDelay); setTimeout(function () { $word.parents('.cd-words-wrapper').addClass('is-loading') }, barWaiting); } else { switchWord($word, nextWord); setTimeout(function () { hideWord(nextWord) }, animationDelay); } } function showWord($word, $duration) { if ($word.parents('.cd-headline').hasClass('type')) { showLetter($word.find('i').eq(0), $word, false, $duration); $word.addClass('is-visible').removeClass('is-hidden'); } else if ($word.parents('.cd-headline').hasClass('clip')) { $word.parents('.cd-words-wrapper').animate({ 'width': $word.width() + 10 }, revealDuration, function () { setTimeout(function () { hideWord($word) }, revealAnimationDelay); }); } } function hideLetter($letter, $word, $bool, $duration) { $letter.removeClass('in').addClass('out'); if (!$letter.is(':last-child')) { setTimeout(function () { hideLetter($letter.next(), $word, $bool, $duration); }, $duration); } else if ($bool) { setTimeout(function () { hideWord(takeNext($word)) }, animationDelay); } if ($letter.is(':last-child') && $('html').hasClass('no-csstransitions')) { var nextWord = takeNext($word); switchWord($word, nextWord); } } function showLetter($letter, $word, $bool, $duration) { $letter.addClass('in').removeClass('out'); if (!$letter.is(':last-child')) { setTimeout(function () { showLetter($letter.next(), $word, $bool, $duration); }, $duration); } else { if ($word.parents('.cd-headline').hasClass('type')) { setTimeout(function () { $word.parents('.cd-words-wrapper').addClass('waiting'); }, 200); } if (!$bool) { setTimeout(function () { hideWord($word) }, animationDelay) } } } function takeNext($word) { return (!$word.is(':last-child')) ? $word.next() : $word.parent().children().eq(0); } function takePrev($word) { return (!$word.is(':first-child')) ? $word.prev() : $word.parent().children().last(); } function switchWord($oldWord, $newWord) { $oldWord.removeClass('is-visible').addClass('is-hidden'); $newWord.removeClass('is-hidden').addClass('is-visible'); } });

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