Update to reveal.js 4.1.2 (#136)
- New tools/ script to manually keep step for updates
- Plugins are all updated
- Template update following latest Pandoc version
- updated README for documentation
- Help page updated
- See other change in NEWS file
diff --git a/inst/reveal.js-4.1.2/plugin/search/plugin.js b/inst/reveal.js-4.1.2/plugin/search/plugin.js
new file mode 100644
index 0000000..5d09ce6
--- /dev/null
+++ b/inst/reveal.js-4.1.2/plugin/search/plugin.js
@@ -0,0 +1,243 @@
+/*!
+ * Handles finding a text string anywhere in the slides and showing the next occurrence to the user
+ * by navigatating to that slide and highlighting it.
+ *
+ * @author Jon Snyder <snyder.jon@gmail.com>, February 2013
+ */
+
+const Plugin = () => {
+
+ // The reveal.js instance this plugin is attached to
+ let deck;
+
+ let searchElement;
+ let searchButton;
+ let searchInput;
+
+ let matchedSlides;
+ let currentMatchedIndex;
+ let searchboxDirty;
+ let hilitor;
+
+ function render() {
+
+ searchElement = document.createElement( 'div' );
+ searchElement.classList.add( 'searchbox' );
+ searchElement.style.position = 'absolute';
+ searchElement.style.top = '10px';
+ searchElement.style.right = '10px';
+ searchElement.style.zIndex = 10;
+
+ //embedded base64 search icon Designed by Sketchdock - http://www.sketchdock.com/:
+ searchElement.innerHTML = `<input type="search" class="searchinput" placeholder="Search..." style="vertical-align: top;"/>
+ </span>`;
+
+ searchInput = searchElement.querySelector( '.searchinput' );
+ searchInput.style.width = '240px';
+ searchInput.style.fontSize = '14px';
+ searchInput.style.padding = '4px 6px';
+ searchInput.style.color = '#000';
+ searchInput.style.background = '#fff';
+ searchInput.style.borderRadius = '2px';
+ searchInput.style.border = '0';
+ searchInput.style.outline = '0';
+ searchInput.style.boxShadow = '0 2px 18px rgba(0, 0, 0, 0.2)';
+ searchInput.style['-webkit-appearance'] = 'none';
+
+ deck.getRevealElement().appendChild( searchElement );
+
+ // searchButton.addEventListener( 'click', function(event) {
+ // doSearch();
+ // }, false );
+
+ searchInput.addEventListener( 'keyup', function( event ) {
+ switch (event.keyCode) {
+ case 13:
+ event.preventDefault();
+ doSearch();
+ searchboxDirty = false;
+ break;
+ default:
+ searchboxDirty = true;
+ }
+ }, false );
+
+ closeSearch();
+
+ }
+
+ function openSearch() {
+ if( !searchElement ) render();
+
+ searchElement.style.display = 'inline';
+ searchInput.focus();
+ searchInput.select();
+ }
+
+ function closeSearch() {
+ if( !searchElement ) render();
+
+ searchElement.style.display = 'none';
+ if(hilitor) hilitor.remove();
+ }
+
+ function toggleSearch() {
+ if( !searchElement ) render();
+
+ if (searchElement.style.display !== 'inline') {
+ openSearch();
+ }
+ else {
+ closeSearch();
+ }
+ }
+
+ function doSearch() {
+ //if there's been a change in the search term, perform a new search:
+ if (searchboxDirty) {
+ var searchstring = searchInput.value;
+
+ if (searchstring === '') {
+ if(hilitor) hilitor.remove();
+ matchedSlides = null;
+ }
+ else {
+ //find the keyword amongst the slides
+ hilitor = new Hilitor("slidecontent");
+ matchedSlides = hilitor.apply(searchstring);
+ currentMatchedIndex = 0;
+ }
+ }
+
+ if (matchedSlides) {
+ //navigate to the next slide that has the keyword, wrapping to the first if necessary
+ if (matchedSlides.length && (matchedSlides.length <= currentMatchedIndex)) {
+ currentMatchedIndex = 0;
+ }
+ if (matchedSlides.length > currentMatchedIndex) {
+ deck.slide(matchedSlides[currentMatchedIndex].h, matchedSlides[currentMatchedIndex].v);
+ currentMatchedIndex++;
+ }
+ }
+ }
+
+ // Original JavaScript code by Chirp Internet: www.chirp.com.au
+ // Please acknowledge use of this code by including this header.
+ // 2/2013 jon: modified regex to display any match, not restricted to word boundaries.
+ function Hilitor(id, tag) {
+
+ var targetNode = document.getElementById(id) || document.body;
+ var hiliteTag = tag || "EM";
+ var skipTags = new RegExp("^(?:" + hiliteTag + "|SCRIPT|FORM)$");
+ var colors = ["#ff6", "#a0ffff", "#9f9", "#f99", "#f6f"];
+ var wordColor = [];
+ var colorIdx = 0;
+ var matchRegex = "";
+ var matchingSlides = [];
+
+ this.setRegex = function(input)
+ {
+ input = input.replace(/^[^\w]+|[^\w]+$/g, "").replace(/[^\w'-]+/g, "|");
+ matchRegex = new RegExp("(" + input + ")","i");
+ }
+
+ this.getRegex = function()
+ {
+ return matchRegex.toString().replace(/^\/\\b\(|\)\\b\/i$/g, "").replace(/\|/g, " ");
+ }
+
+ // recursively apply word highlighting
+ this.hiliteWords = function(node)
+ {
+ if(node == undefined || !node) return;
+ if(!matchRegex) return;
+ if(skipTags.test(node.nodeName)) return;
+
+ if(node.hasChildNodes()) {
+ for(var i=0; i < node.childNodes.length; i++)
+ this.hiliteWords(node.childNodes[i]);
+ }
+ if(node.nodeType == 3) { // NODE_TEXT
+ var nv, regs;
+ if((nv = node.nodeValue) && (regs = matchRegex.exec(nv))) {
+ //find the slide's section element and save it in our list of matching slides
+ var secnode = node;
+ while (secnode != null && secnode.nodeName != 'SECTION') {
+ secnode = secnode.parentNode;
+ }
+
+ var slideIndex = deck.getIndices(secnode);
+ var slidelen = matchingSlides.length;
+ var alreadyAdded = false;
+ for (var i=0; i < slidelen; i++) {
+ if ( (matchingSlides[i].h === slideIndex.h) && (matchingSlides[i].v === slideIndex.v) ) {
+ alreadyAdded = true;
+ }
+ }
+ if (! alreadyAdded) {
+ matchingSlides.push(slideIndex);
+ }
+
+ if(!wordColor[regs[0].toLowerCase()]) {
+ wordColor[regs[0].toLowerCase()] = colors[colorIdx++ % colors.length];
+ }
+
+ var match = document.createElement(hiliteTag);
+ match.appendChild(document.createTextNode(regs[0]));
+ match.style.backgroundColor = wordColor[regs[0].toLowerCase()];
+ match.style.fontStyle = "inherit";
+ match.style.color = "#000";
+
+ var after = node.splitText(regs.index);
+ after.nodeValue = after.nodeValue.substring(regs[0].length);
+ node.parentNode.insertBefore(match, after);
+ }
+ }
+ };
+
+ // remove highlighting
+ this.remove = function()
+ {
+ var arr = document.getElementsByTagName(hiliteTag);
+ var el;
+ while(arr.length && (el = arr[0])) {
+ el.parentNode.replaceChild(el.firstChild, el);
+ }
+ };
+
+ // start highlighting at target node
+ this.apply = function(input)
+ {
+ if(input == undefined || !input) return;
+ this.remove();
+ this.setRegex(input);
+ this.hiliteWords(targetNode);
+ return matchingSlides;
+ };
+
+ }
+
+ return {
+
+ id: 'search',
+
+ init: reveal => {
+
+ deck = reveal;
+ deck.registerKeyboardShortcut( 'CTRL + Shift + F', 'Search' );
+
+ document.addEventListener( 'keydown', function( event ) {
+ if( event.key == "F" && (event.ctrlKey || event.metaKey) ) { //Control+Shift+f
+ event.preventDefault();
+ toggleSearch();
+ }
+ }, false );
+
+ },
+
+ open: openSearch
+
+ }
+};
+
+export default Plugin;
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