From 18e7dd21731d4eca92e062b25e07462531b5b380 Mon Sep 17 00:00:00 2001 From: Benjamin Tan Date: Thu, 8 Feb 2018 11:22:01 +0800 Subject: Cleanup code style. --- plugin/search/search.js | 188 ++++++++++++++++++++++++------------------------ 1 file changed, 94 insertions(+), 94 deletions(-) (limited to 'plugin/search') diff --git a/plugin/search/search.js b/plugin/search/search.js index f7e5c2f..6d694d2 100644 --- a/plugin/search/search.js +++ b/plugin/search/search.js @@ -19,92 +19,92 @@ var RevealSearch = (function() { 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 - 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 = Reveal.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); - 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; - }; + 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 + 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 = Reveal.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); + 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; + }; } @@ -150,7 +150,7 @@ function Hilitor(id, tag) } } - if (matchedSlides) { + 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; @@ -169,20 +169,20 @@ function Hilitor(id, tag) var searchElement = document.createElement( 'div' ); searchElement.id = "searchinputdiv"; searchElement.classList.add( 'searchdiv' ); - searchElement.style.position = 'absolute'; - searchElement.style.top = '10px'; - searchElement.style.right = '10px'; + 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/: + //embedded base64 search icon Designed by Sketchdock - http://www.sketchdock.com/: searchElement.innerHTML = ''; dom.wrapper.appendChild( searchElement ); } - document.getElementById("searchbutton").addEventListener( 'click', function(event) { + document.getElementById( 'searchbutton' ).addEventListener( 'click', function(event) { doSearch(); }, false ); - document.getElementById("searchinput").addEventListener( 'keyup', function( event ) { + document.getElementById( 'searchinput' ).addEventListener( 'keyup', function( event ) { switch (event.keyCode) { case 13: event.preventDefault(); @@ -195,7 +195,7 @@ function Hilitor(id, tag) }, false ); document.addEventListener( 'keydown', function( event ) { - if( event.key == "F" && (event.ctrlKey || event.metaKey) ) {//Control+Shift+f + if( event.key == "F" && (event.ctrlKey || event.metaKey) ) { //Control+Shift+f event.preventDefault(); toggleSearch(); } -- cgit v1.2.3