Merge pull request #84 from aliem/feature/public_api
Feature/public api
This commit is contained in:
commit
6724b0cd68
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@ -1,5 +1,6 @@
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(function () {
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window.shower = (function () {
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var url = window.location,
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var _ = {},
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url = window.location,
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body = document.body,
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body = document.body,
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slides = document.querySelectorAll('div.slide'),
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slides = document.querySelectorAll('div.slide'),
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progress = document.querySelector('div.progress div'),
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progress = document.querySelector('div.progress div'),
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@ -30,17 +31,42 @@
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body.style.transform = transform;
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body.style.transform = transform;
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}
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}
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function enterSlideMode() {
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_.next = function () {
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var currentSlideNumber = _.getCurrentSlideNumber();
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// Only go to next slide if current slide have no inner
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// navigation or inner navigation is fully shown
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// NOTE: But first of all check if there is no current slide
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if (
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-1 === currentSlideNumber ||
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!slideList[currentSlideNumber].hasInnerNavigation ||
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-1 === increaseInnerNavigation(currentSlideNumber)
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) {
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currentSlideNumber++;
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_.go(currentSlideNumber);
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}
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}
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_.previous = function () {
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_.go(_.getCurrentSlideNumber() - 1);
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}
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_.first = function() {
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_.go(0)
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}
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_.last = function() {
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_.go(slideList.length - 1);
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}
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_.enterSlideMode = function() {
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body.className = 'full';
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body.className = 'full';
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applyTransform(getTransform());
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applyTransform(getTransform());
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}
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}
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function enterListMode() {
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_.enterListMode = function() {
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body.className = 'list';
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body.className = 'list';
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applyTransform('none');
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applyTransform('none');
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}
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}
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function getCurrentSlideNumber() {
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_.getCurrentSlideNumber = function() {
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var i, l = slideList.length,
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var i, l = slideList.length,
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currentSlideId = url.hash.substr(1);
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currentSlideId = url.hash.substr(1);
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@ -63,7 +89,7 @@
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}
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}
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}
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}
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function isListMode() {
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_.isListMode = function() {
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return 'full' !== url.search.substr(1);
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return 'full' !== url.search.substr(1);
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}
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}
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@ -77,21 +103,24 @@
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}
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}
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}
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}
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function updateProgress(slideNumber) {
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_.updateProgress = function(slideNumber) {
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if (null === progress) { return; }
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if (null === progress) { return; }
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progress.style.width = (100 / (slideList.length - 1) * normalizeSlideNumber(slideNumber)).toFixed(2) + '%';
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progress.style.width = (100 / (slideList.length - 1) * normalizeSlideNumber(slideNumber)).toFixed(2) + '%';
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}
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}
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function getSlideHash(slideNumber) {
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_.getSlideHash = function(slideNumber) {
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return '#' + slideList[normalizeSlideNumber(slideNumber)].id;
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return '#' + slideList[normalizeSlideNumber(slideNumber)].id;
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}
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}
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function goToSlide(slideNumber) {
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_.go = function(slideNumber) {
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url.hash = getSlideHash(slideNumber);
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url.hash = _.getSlideHash(slideNumber);
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if (!isListMode()) {
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if (!_.isListMode()) {
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updateProgress(slideNumber);
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_.updateProgress(slideNumber);
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}
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}
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if (typeof _.onchange == 'function')
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_.onchange(slideNumber);
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}
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}
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function getContainingSlideId(el) {
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function getContainingSlideId(el) {
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@ -110,15 +139,15 @@
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function dispatchSingleSlideMode(e) {
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function dispatchSingleSlideMode(e) {
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var slideId = getContainingSlideId(e.target);
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var slideId = getContainingSlideId(e.target);
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if ('' !== slideId && isListMode()) {
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if ('' !== slideId && _.isListMode()) {
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e.preventDefault();
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e.preventDefault();
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// NOTE: we should update hash to get things work properly
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// NOTE: we should update hash to get things work properly
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url.hash = '#' + slideId;
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url.hash = '#' + slideId;
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history.replaceState(null, null, url.pathname + '?full#' + slideId);
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history.replaceState(null, null, url.pathname + '?full#' + slideId);
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enterSlideMode();
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_.enterSlideMode();
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updateProgress(getCurrentSlideNumber());
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_.updateProgress(_.getCurrentSlideNumber());
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}
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}
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}
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}
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@ -127,7 +156,7 @@
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// Shortcut for slides without inner navigation
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// Shortcut for slides without inner navigation
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if (true !== slideList[slideNumber].hasInnerNavigation) { return -1; }
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if (true !== slideList[slideNumber].hasInnerNavigation) { return -1; }
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var activeNodes = document.querySelectorAll(getSlideHash(slideNumber) + ' .active'),
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var activeNodes = document.querySelectorAll(_.getSlideHash(slideNumber) + ' .active'),
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// NOTE: we assume there is no other elements in inner navigation
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// NOTE: we assume there is no other elements in inner navigation
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node = activeNodes[activeNodes.length - 1].nextElementSibling;
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node = activeNodes[activeNodes.length - 1].nextElementSibling;
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@ -142,28 +171,28 @@
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// Event handlers
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// Event handlers
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window.addEventListener('DOMContentLoaded', function () {
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window.addEventListener('DOMContentLoaded', function () {
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if (!isListMode()) {
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if (!_.isListMode()) {
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// "?full" is present without slide hash, so we should display first slide
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// "?full" is present without slide hash, so we should display first slide
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if (-1 === getCurrentSlideNumber()) {
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if (-1 === _.getCurrentSlideNumber()) {
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history.replaceState(null, null, url.pathname + '?full' + getSlideHash(0));
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history.replaceState(null, null, url.pathname + '?full' + _.getSlideHash(0));
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}
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}
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enterSlideMode();
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_.enterSlideMode();
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updateProgress(getCurrentSlideNumber());
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_.updateProgress(_.getCurrentSlideNumber());
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}
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}
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}, false);
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}, false);
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window.addEventListener('popstate', function (e) {
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window.addEventListener('popstate', function (e) {
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if (isListMode()) {
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if (_.isListMode()) {
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enterListMode();
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_.enterListMode();
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scrollToSlide(getCurrentSlideNumber());
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scrollToSlide(_.getCurrentSlideNumber());
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} else {
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} else {
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enterSlideMode();
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_.enterSlideMode();
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}
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}
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}, false);
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}, false);
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window.addEventListener('resize', function (e) {
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window.addEventListener('resize', function (e) {
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if (!isListMode()) {
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if (!_.isListMode()) {
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applyTransform(getTransform());
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applyTransform(getTransform());
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}
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}
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}, false);
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}, false);
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@ -171,28 +200,27 @@
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document.addEventListener('keydown', function (e) {
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document.addEventListener('keydown', function (e) {
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// Shortcut for alt, shift and meta keys
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// Shortcut for alt, shift and meta keys
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if (e.altKey || e.ctrlKey || e.metaKey) { return; }
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if (e.altKey || e.ctrlKey || e.metaKey) { return; }
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var currentSlideNumber = _.getCurrentSlideNumber();
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var currentSlideNumber = getCurrentSlideNumber();
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switch (e.which) {
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switch (e.which) {
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case 116: // F5
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case 116: // F5
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case 13: // Enter
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case 13: // Enter
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if (isListMode() && -1 !== currentSlideNumber) {
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if (_.isListMode() && -1 !== currentSlideNumber) {
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e.preventDefault();
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e.preventDefault();
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history.pushState(null, null, url.pathname + '?full' + getSlideHash(currentSlideNumber));
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history.pushState(null, null, url.pathname + '?full' + _.getSlideHash(currentSlideNumber));
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enterSlideMode();
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_.enterSlideMode();
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updateProgress(currentSlideNumber);
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_.updateProgress(currentSlideNumber);
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}
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}
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break;
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break;
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case 27: // Esc
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case 27: // Esc
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if (!isListMode()) {
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if (!_.isListMode()) {
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e.preventDefault();
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e.preventDefault();
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history.pushState(null, null, url.pathname + getSlideHash(currentSlideNumber));
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history.pushState(null, null, url.pathname + _.getSlideHash(currentSlideNumber));
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enterListMode();
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_.enterListMode();
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scrollToSlide(currentSlideNumber);
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scrollToSlide(currentSlideNumber);
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}
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}
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break;
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break;
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@ -203,9 +231,7 @@
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case 72: // h
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case 72: // h
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case 75: // k
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case 75: // k
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e.preventDefault();
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e.preventDefault();
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_.previous();
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currentSlideNumber--;
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goToSlide(currentSlideNumber);
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break;
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break;
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case 34: // PgDown
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case 34: // PgDown
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@ -215,39 +241,24 @@
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case 74: // j
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case 74: // j
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e.preventDefault();
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e.preventDefault();
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// Only go to next slide if current slide have no inner
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_.next();
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// navigation or inner navigation is fully shown
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// NOTE: But first of all check if there is no current slide
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if (
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-1 === currentSlideNumber ||
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!slideList[currentSlideNumber].hasInnerNavigation ||
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-1 === increaseInnerNavigation(currentSlideNumber)
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) {
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currentSlideNumber++;
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goToSlide(currentSlideNumber);
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}
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break;
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break;
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case 36: // Home
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case 36: // Home
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e.preventDefault();
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e.preventDefault();
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_.first();
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currentSlideNumber = 0;
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goToSlide(currentSlideNumber);
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break;
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break;
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case 35: // End
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case 35: // End
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e.preventDefault();
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e.preventDefault();
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_.last();
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currentSlideNumber = slideList.length - 1;
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goToSlide(currentSlideNumber);
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break;
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break;
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case 9: // Tab = +1; Shift + Tab = -1
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case 9: // Tab = +1; Shift + Tab = -1
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case 32: // Space = +1; Shift + Space = -1
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case 32: // Space = +1; Shift + Space = -1
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e.preventDefault();
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e.preventDefault();
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currentSlideNumber += e.shiftKey ? -1 : 1;
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_[e.shiftKey ? 'previous' : 'next']();
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goToSlide(currentSlideNumber);
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break;
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break;
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default:
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default:
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@ -259,8 +270,8 @@
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document.addEventListener('touchend', dispatchSingleSlideMode, false);
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document.addEventListener('touchend', dispatchSingleSlideMode, false);
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document.addEventListener('touchstart', function (e) {
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document.addEventListener('touchstart', function (e) {
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if (!isListMode()) {
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if (!_.isListMode()) {
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var currentSlideNumber = getCurrentSlideNumber(),
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var currentSlideNumber = _.getCurrentSlideNumber(),
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x = e.touches[0].pageX;
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x = e.touches[0].pageX;
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if (x > window.innerWidth / 2) {
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if (x > window.innerWidth / 2) {
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currentSlideNumber++;
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currentSlideNumber++;
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@ -268,14 +279,15 @@
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currentSlideNumber--;
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currentSlideNumber--;
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}
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}
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goToSlide(currentSlideNumber);
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_.go(currentSlideNumber);
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}
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}
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}, false);
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}, false);
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document.addEventListener('touchmove', function (e) {
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document.addEventListener('touchmove', function (e) {
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if (!isListMode()) {
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if (!_.isListMode()) {
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e.preventDefault();
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e.preventDefault();
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}
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}
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}, false);
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}, false);
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return _;
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}());
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}());
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