Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Version 1.1.0 #94

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Version 1.1.0 #94

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Jump to
Jump to file
Failed to load files.
Diff view
Diff view
2 changes: 1 addition & 1 deletion auto-complete.css
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -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; }
Expand Down
218 changes: 129 additions & 89 deletions auto-complete.js
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -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 = {
Expand All @@ -37,31 +29,56 @@ 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 '<div class="autocomplete-suggestion" data-val="' + item + '">' + item.replace(re, "<b>$1</b>") + '</div>';
var si = document.createElement('div');
si.className = 'autocomplete-suggestion';
si.setAttribute('data-val', item); // see PR#86
try{
search = search.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
si.innerHTML = item.replace(new RegExp("(" + search.split(' ').join('|') + ")", "gi"), "<b>$1</b>");
}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<data.length;i++){
var item = data[i];
var si = o.renderItem(item, search);
if (typeof si === 'string') tp.innerHTML += si;
else if (si && si.nodeType === 1) df.appendChild(si);
}
var _sc = that.sc;
var firstChild;
while (firstChild = _sc.firstChild) {
firstChild.remove();
}
_sc.appendChild(df);
},
onSelect: function(e, term, item){}
};
for (var k in options) { if (options.hasOwnProperty(k)) o[k] = options[k]; }

// init
var elems = typeof o.selector == 'object' ? [o.selector] : document.querySelectorAll(o.selector);
for (var i=0; i<elems.length; i++) {
var that = elems[i];
var forEach = function (that) {

that._currentRequestId = 0;
// create suggestions container "sc"
that.sc = document.createElement('div');
that.sc.className = 'autocomplete-suggestions '+o.menuClass;
that.sc.style.display = 'none';

that.autocompleteAttr = that.getAttribute('autocomplete');
that.setAttribute('autocomplete', 'off');
that.cache = {};
that.cache = new Map(); // changed from {} to Map; related to PR#37 PR#38
that.last_val = '';

that.updateSC = function(resize, next){
that.updateSC = function(resize, next){ // see issue mentioned in PR#49
if(that != document.activeElement) return; // issue#51 PR#52
var rect = that.getBoundingClientRect();
that.sc.style.left = Math.round(rect.left + (window.pageXOffset || document.documentElement.scrollLeft) + o.offsetLeft) + 'px';
that.sc.style.top = Math.round(rect.bottom + (window.pageYOffset || document.documentElement.scrollTop) + o.offsetTop) + 'px';
Expand All @@ -74,34 +91,34 @@ var autoComplete = (function(){
if (!next) that.sc.scrollTop = 0;
else {
var scrTop = that.sc.scrollTop, selTop = next.getBoundingClientRect().top - that.sc.getBoundingClientRect().top;
if (selTop + that.sc.suggestionHeight - that.sc.maxHeight > 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(){
Expand All @@ -112,38 +129,42 @@ 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<data.length;i++) s += o.renderItem(data[i], val);
that.sc.innerHTML = s;
that.addEventListener('blur', that.blurHandler);

var suggest = function(data, val){
val = val || that.value; // PR#28
that.cache.set(val, data);
that.triggerSC(data, val, val.length >= 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;
// down (40), up (38)
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;
Expand All @@ -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;
Expand All @@ -167,56 +194,69 @@ 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<val.length-o.minChars; i++) {
var part = val.slice(0, val.length-i);
if (part in that.cache && !that.cache[part].length) { suggest([]); return; }
var k = o.minChars;
for (var j=val.length-1; j>=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;
that.sc.style.display = 'none';
}
}
};
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<elems.length; i++) {
forEach(elems[i]);
}

// public destroy method
this.destroy = function(){
for (var i=0; i<elems.length; i++) {
var that = elems[i];
removeEvent(window, 'resize', that.updateSC);
removeEvent(that, 'blur', that.blurHandler);
removeEvent(that, 'focus', that.focusHandler);
removeEvent(that, 'keydown', that.keydownHandler);
removeEvent(that, 'keyup', that.keyupHandler);
if (that.autocompleteAttr)
that.setAttribute('autocomplete', that.autocompleteAttr);
else
that.removeAttribute('autocomplete');
document.body.removeChild(that.sc);
that = null;
var elems = this.elems;
if (elems) {
this.elems = null;
for (var i=0; i<elems.length; i++) {
var that = elems[i];
window.removeEventListener('resize', that.updateSC);
that.removeEventListener('blur', that.blurHandler);
that.removeEventListener('focus', that.focusHandler);
that.removeEventListener('keydown', that.keydownHandler);
that.removeEventListener('keyup', that.keyupHandler);
if (typeof that.autocompleteAttr == 'string') that.setAttribute('autocomplete', that.autocompleteAttr);
else that.removeAttribute('autocomplete');
that.sc && that.sc.remove(); // issue#92 PR#93
that = null;
}
}
};

this.elems = elems; // PR#40
}
return autoComplete;
})();

(function(){
if (typeof define === 'function' && define.amd)
define('autoComplete', function () { return autoComplete; });
else if (typeof module !== 'undefined' && module.exports)
module.exports = autoComplete;
else
window.autoComplete = autoComplete;
if (typeof define === 'function' && define.amd) define('autoComplete', function () { return autoComplete; });
else if (typeof module !== 'undefined' && module.exports) module.exports = autoComplete;
else window.autoComplete = autoComplete;
})();