diff --git a/auto-complete.css b/auto-complete.css index 4261b1d..941e38f 100644 --- a/auto-complete.css +++ b/auto-complete.css @@ -2,7 +2,7 @@ text-align: left; cursor: default; border: 1px solid #ccc; border-top: 0; background: #fff; box-shadow: -1px 1px 3px rgba(0,0,0,.1); /* core styles should not be changed */ - position: absolute; display: none; z-index: 9999; max-height: 254px; overflow: hidden; overflow-y: auto; box-sizing: border-box; + position: absolute; /*display: none;*/ z-index: 9999; max-height: 254px; overflow: hidden; overflow-y: auto; box-sizing: border-box; } .autocomplete-suggestion { position: relative; padding: 0 .6em; line-height: 23px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 1.02em; color: #333; } .autocomplete-suggestion b { font-weight: normal; color: #1f8dd6; } diff --git a/auto-complete.js b/auto-complete.js index 2f5a88c..5fcd9de 100644 --- a/auto-complete.js +++ b/auto-complete.js @@ -1,31 +1,23 @@ /* - JavaScript autoComplete v1.0.4 + JavaScript autoComplete v1.1.0 Copyright (c) 2014 Simon Steinberger / Pixabay GitHub: https://github.com/Pixabay/JavaScript-autoComplete License: http://www.opensource.org/licenses/mit-license.php */ +// Chrome 38+, Edge 13+, Safari 8+, Firefox 26+, Opera 25+, all mobile browsers + var autoComplete = (function(){ // "use strict"; function autoComplete(options){ if (!document.querySelector) return; // helpers - function hasClass(el, className){ return el.classList ? el.classList.contains(className) : new RegExp('\\b'+ className+'\\b').test(el.className); } - - function addEvent(el, type, handler){ - if (el.attachEvent) el.attachEvent('on'+type, handler); else el.addEventListener(type, handler); - } - function removeEvent(el, type, handler){ - // if (el.removeEventListener) not working in IE11 - if (el.detachEvent) el.detachEvent('on'+type, handler); else el.removeEventListener(type, handler); - } function live(elClass, event, cb, context){ - addEvent(context || document, event, function(e){ - var found, el = e.target || e.srcElement; - while (el && !(found = hasClass(el, elClass))) el = el.parentElement; - if (found) cb.call(el, e); - }); + (context || document).addEventListener(event, function(e){ + for (var t = e.target || e.srcElement; t; t = t.parentElement) + t.classList.contains(elClass) && (cb.call(t, e), t = 1); + }, true); } var o = { @@ -37,11 +29,34 @@ var autoComplete = (function(){ offsetTop: 1, cache: 1, menuClass: '', - renderItem: function (item, search){ + renderItem: function(item, search){ // escape special characters - search = search.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'); - var re = new RegExp("(" + search.split(' ').join('|') + ")", "gi"); - return '
' + item.replace(re, "$1") + '
'; + var si = document.createElement('div'); + si.className = 'autocomplete-suggestion'; + si.setAttribute('data-val', item); // see PR#86 + try{ + search = search.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'); + si.innerHTML = item.replace(new RegExp("(" + search.split(' ').join('|') + ")", "gi"), "$1"); + }catch(e){ + si.textContent = item; + } + return si; + }, + renderItems: function (data, search, that){ + var tp = document.createElement('template'); + var df = tp.content; + for (var i=0;i 0) + if (selTop + that.sc.suggestionHeight - that.sc.maxHeight > 0) { that.sc.scrollTop = selTop + that.sc.suggestionHeight + scrTop - that.sc.maxHeight; - else if (selTop < 0) + } else if (selTop < 0){ that.sc.scrollTop = selTop + scrTop; + } } } - } - addEvent(window, 'resize', that.updateSC); + }; + window.addEventListener('resize', that.updateSC); document.body.appendChild(that.sc); - live('autocomplete-suggestion', 'mouseleave', function(e){ + that.sc.addEventListener('mouseleave', function(e){ var sel = that.sc.querySelector('.autocomplete-suggestion.selected'); - if (sel) setTimeout(function(){ sel.className = sel.className.replace('selected', ''); }, 20); - }, that.sc); + if (sel) setTimeout(function(){ sel.classList.remove('selected'); }, 20); + }); - live('autocomplete-suggestion', 'mouseover', function(e){ + live('autocomplete-suggestion', 'mouseenter', function(e){ var sel = that.sc.querySelector('.autocomplete-suggestion.selected'); - if (sel) sel.className = sel.className.replace('selected', ''); - this.className += ' selected'; + if (sel) sel.classList.remove('selected'); + this.classList.add('selected'); }, that.sc); live('autocomplete-suggestion', 'mousedown', function(e){ - if (hasClass(this, 'autocomplete-suggestion')) { // else outside click - var v = this.getAttribute('data-val'); - that.value = v; - o.onSelect(e, v, this); - that.sc.style.display = 'none'; - } + e.stopPropagation(); + var v = this.getAttribute('data-val'); + that.value = v; + o.onSelect(e, v, this); + that.sc.style.display = 'none'; }, that.sc); that.blurHandler = function(){ @@ -112,20 +129,24 @@ var autoComplete = (function(){ setTimeout(function(){ that.sc.style.display = 'none'; }, 350); // hide suggestions on fast input } else if (that !== document.activeElement) setTimeout(function(){ that.focus(); }, 20); }; - addEvent(that, 'blur', that.blurHandler); - - var suggest = function(data){ - var val = that.value; - that.cache[val] = data; - if (data.length && val.length >= o.minChars) { - var s = ''; - for (var i=0;i= o.minChars); + }; + + // PR#40 + // Optional method to trigger results programatically + that.triggerSC = function(data, val, b){ + if (data.length && b!==false) { + o.renderItems(data, (val || ''), that); that.updateSC(0); - } - else + } else { that.sc.style.display = 'none'; - } + } + }; that.keydownHandler = function(e){ var key = window.event ? e.keyCode : e.which; @@ -133,17 +154,17 @@ var autoComplete = (function(){ if ((key == 40 || key == 38) && that.sc.innerHTML) { var next, sel = that.sc.querySelector('.autocomplete-suggestion.selected'); if (!sel) { - next = (key == 40) ? that.sc.querySelector('.autocomplete-suggestion') : that.sc.childNodes[that.sc.childNodes.length - 1]; // first : last - next.className += ' selected'; - that.value = next.getAttribute('data-val'); + next = (key == 40) ? that.sc.querySelector('.autocomplete-suggestion') : that.sc.lastChild; // first : last } else { + sel.classList.remove('selected'); next = (key == 40) ? sel.nextSibling : sel.previousSibling; - if (next) { - sel.className = sel.className.replace('selected', ''); - next.className += ' selected'; - that.value = next.getAttribute('data-val'); - } - else { sel.className = sel.className.replace('selected', ''); that.value = that.last_val; next = 0; } + } + if (next) { + next.classList.add('selected'); + that.value = next.getAttribute('data-val'); + } else { + that.value = that.last_val; + next = 0; } that.updateSC(0, next); return false; @@ -152,11 +173,17 @@ var autoComplete = (function(){ else if (key == 27) { that.value = that.last_val; that.sc.style.display = 'none'; } // enter else if (key == 13 || key == 9) { - var sel = that.sc.querySelector('.autocomplete-suggestion.selected'); - if (sel && that.sc.style.display != 'none') { o.onSelect(e, sel.getAttribute('data-val'), sel); setTimeout(function(){ that.sc.style.display = 'none'; }, 20); } + var tsc = that.sc; + var isVisible = tsc.style.display != 'none'; + var sel = tsc.querySelector('.autocomplete-suggestion.selected'); + if (sel && isVisible) { + o.onSelect(e, sel.getAttribute('data-val'), sel); + setTimeout(function(){ tsc.style.display = 'none'; }, 20); + } + if(isVisible) e.preventDefault(); // PR#8 } }; - addEvent(that, 'keydown', that.keydownHandler); + that.addEventListener('keydown', that.keydownHandler); that.keyupHandler = function(e){ var key = window.event ? e.keyCode : e.which; @@ -167,14 +194,23 @@ var autoComplete = (function(){ that.last_val = val; clearTimeout(that.timer); if (o.cache) { - if (val in that.cache) { suggest(that.cache[val]); return; } + var c = that.cache; + if (c.has(val)) { suggest(c.get(val)); return; } // no requests if previous suggestions were empty - for (var i=1; i=k; j--) { + var part = val.slice(0, j); + if (c.has(part) && !c.get(part).length) { suggest([]); return; } } } - that.timer = setTimeout(function(){ o.source(val, suggest) }, o.delay); + // PR#5 + that.timer = setTimeout(function(){ + var val = that.value; + var thisRequestId = ++that._currentRequestId; + o.source(val, function (data, val){ + if (thisRequestId === that._currentRequestId) return suggest(data, val); + }); + }, o.delay); } } else { that.last_val = val; @@ -182,41 +218,45 @@ var autoComplete = (function(){ } } }; - addEvent(that, 'keyup', that.keyupHandler); + that.addEventListener('keyup', that.keyupHandler); that.focusHandler = function(e){ that.last_val = '\n'; that.keyupHandler(e) }; - if (!o.minChars) addEvent(that, 'focus', that.focusHandler); + if (!o.minChars) that.addEventListener('focus', that.focusHandler); + } + for (var i=0; i'+e.replace(o,"$1")+""},onSelect:function(){}};for(var c in e)e.hasOwnProperty(c)&&(l[c]=e[c]);for(var a="object"==typeof l.selector?[l.selector]:document.querySelectorAll(l.selector),u=0;u0?i.sc.scrollTop=n+i.sc.suggestionHeight+s-i.sc.maxHeight:0>n&&(i.sc.scrollTop=n+s)}else i.sc.scrollTop=0},o(window,"resize",i.updateSC),document.body.appendChild(i.sc),n("autocomplete-suggestion","mouseleave",function(){var e=i.sc.querySelector(".autocomplete-suggestion.selected");e&&setTimeout(function(){e.className=e.className.replace("selected","")},20)},i.sc),n("autocomplete-suggestion","mouseover",function(){var e=i.sc.querySelector(".autocomplete-suggestion.selected");e&&(e.className=e.className.replace("selected","")),this.className+=" selected"},i.sc),n("autocomplete-suggestion","mousedown",function(e){if(t(this,"autocomplete-suggestion")){var o=this.getAttribute("data-val");i.value=o,l.onSelect(e,o,this),i.sc.style.display="none"}},i.sc),i.blurHandler=function(){try{var e=document.querySelector(".autocomplete-suggestions:hover")}catch(t){var e=0}e?i!==document.activeElement&&setTimeout(function(){i.focus()},20):(i.last_val=i.value,i.sc.style.display="none",setTimeout(function(){i.sc.style.display="none"},350))},o(i,"blur",i.blurHandler);var r=function(e){var t=i.value;if(i.cache[t]=e,e.length&&t.length>=l.minChars){for(var o="",s=0;st||t>40)&&13!=t&&27!=t){var o=i.value;if(o.length>=l.minChars){if(o!=i.last_val){if(i.last_val=o,clearTimeout(i.timer),l.cache){if(o in i.cache)return void r(i.cache[o]);for(var s=1;s - +