tagator标签输入控件jQuery特效代码

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以下是 tagator标签输入控件jQuery特效代码的示例演示效果:

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HTML代码(index.html):

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<meta name="keywords" content="JS代码,其他代码,JS广告代码,JS特效代码" />
<meta name="description" content="此代码内容为tagator标签输入控件（jQuery），属于站长常用代码" />
<title>tagator标签输入控件jQuery</title>
<link rel="stylesheet" href="css/fm.tagator.jquery.css"/>
<script src="js/jquery.min.js"></script>
<script src="js/fm.tagator.jquery.js"></script>
<script>
$(function () {
	$('#inputTagator').tagator({
		// 输入以下单词自动补全, 支持中文
		autocomplete: ['first', 'second', 'third', 'fourth', 'fifth', 'sixth', 'seventh', 'eighth', 'ninth', 'tenth', '标签']
	});
});
</script>
</head>
<body style="text-align:center;">
<div id="wrapper" style="margin-top:200px;" >
	<input style="width:300px;" id="inputTagator" name="inputTagator" value="Test,Best,Rest">
</div>
</body>
</html>

JS代码(fm.tagator.jquery.js):

/* Tagator jQuery Plugin A plugin to make input elements,tag holders version 1.0,Jan 13th,2014 by Ingi P. Jacobsen The MIT License (MIT) Copyright (c) 2014 Faroe Media Permission is hereby granted,free of charge,to any person obtaining a copy of this software and associated documentation files (the "Software"),to deal in the Software without restriction,including without limitation the rights to use,copy,modify,merge,publish,distribute,sublicense,and/or sell copies of the Software,and to permit persons to whom the Software is furnished to do so,subject to the following conditions:The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS",WITHOUT WARRANTY OF ANY KIND,EXPRESS OR IMPLIED,INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,DAMAGES OR OTHER LIABILITY,WHETHER IN AN ACTION OF CONTRACT,TORT OR OTHERWISE,ARISING FROM,OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.*/
(function($){
	$.tagator = function (element,options){
	var defaults ={
	prefix:'tagator_',height:'auto',useDimmer:false,showAllOptionsOnFocus:false,autocomplete:[]}
;
	var plugin = this;
	var selected_index = -1;
	var box_element = null;
	var tags_element = null;
	var input_element = null;
	var textlength_element = null;
	var options_element = null;
	var key ={
	backspace:8,enter:13,escape:27,left:37,up:38,right:39,down:40,comma:188}
;
	plugin.settings ={
}
;
	// INITIALIZE PLUGINplugin.init = function (){
	plugin.settings = $.extend({
}
,defaults,options);
	//// ================== CREATE ELEMENTS ================== ////// dimmerif (plugin.settings.useDimmer){
	if ($('#' + plugin.settings.prefix + 'dimmer').length === 0){
	var dimmer_element = document.createElement('div');
	$(dimmer_element).attr('id',plugin.settings.prefix + 'dimmer');
	$(dimmer_element).hide();
	$(document.body).prepend(dimmer_element);
}
}
// box elementbox_element = document.createElement('div');
	if (element.id !== undefined){
	$(box_element).attr('id',plugin.settings.prefix + element.id);
}
$(box_element).addClass('tagator options-hidden');
	$(box_element).css({
	width:$(element).css('width'),padding:$(element).css('padding'),position:'relative'}
);
	if (plugin.settings.height === 'element'){
	$(box_element).css({
	height:$(element).outerHeight() + 'px'}
);
}
$(element).after(box_element);
	$(element).hide();
	// textlength elementtextlength_element = document.createElement('span');
	$(textlength_element).addClass(plugin.settings.prefix + 'textlength');
	$(textlength_element).css({
	position:'absolute',visibility:'hidden'}
);
	$(box_element).append(textlength_element);
	// tags elementtags_element = document.createElement('div');
	$(tags_element).addClass(plugin.settings.prefix + 'tags');
	$(box_element).append(tags_element);
	// input elementinput_element = document.createElement('input');
	$(input_element).addClass(plugin.settings.prefix + 'input');
	$(input_element).width(20);
	$(input_element).attr('autocomplete','false');
	$(box_element).append(input_element);
	// options elementoptions_element = document.createElement('ul');
	$(options_element).addClass(plugin.settings.prefix + 'options');
	$(box_element).append(options_element);
	//// ================== BIND ELEMENTS EVENTS ================== ////// source element$(element).change(function (){
	refreshTags();
}
);
	// box element$(box_element).bind('focus',function (e){
	e.preventDefault();
	e.stopPropagation();
	showOptions();
	$(input_element).focus();
}
);
	$(box_element).bind('mousedown',function (e){
	e.preventDefault();
	e.stopPropagation();
	input_element.focus();
	if (input_element.setSelectionRange){
	input_element.focus();
	input_element.setSelectionRange(input_element.value.length,input_element.value.length);
}
else if (input_element.createTextRange){
	var range = input_element.createTextRange();
	range.collapse(true);
	range.moveEnd('character',input_element.value.length);
	range.moveStart('character',input_element.value.length);
	range.select();
}
}
);
	$(box_element).bind('mouseup',function (e){
	e.preventDefault();
	e.stopPropagation();
}
);
	$(box_element).bind('click',function (e){
	e.preventDefault();
	e.stopPropagation();
	if (plugin.settings.showAllOptionsOnFocus){
	//showOptions();
	searchOptions();
}
input_element.focus();
}
);
	$(box_element).bind('dblclick',function (e){
	e.preventDefault();
	e.stopPropagation();
	input_element.focus();
	input_element.select();
}
);
	// input element$(input_element).bind('click',function (e){
	e.preventDefault();
	e.stopPropagation();
}
);
	$(input_element).bind('dblclick',function (e){
	e.preventDefault();
	e.stopPropagation();
}
);
	$(input_element).bind('keydown',function (e){
	e.stopPropagation();
	var keyCode = e.keyCode || e.which;
	switch (keyCode){
	case key.up:e.preventDefault();
	if (selected_index > -1){
	selected_index = selected_index - 1;
}
else{
	selected_index = $(options_element).find('.' + plugin.settings.prefix + 'option').length - 1;
}
refreshActiveOption();
	scrollToActiveOption();
	break;
	case key.down:e.preventDefault();
	if (selected_index < $(options_element).find('.' + plugin.settings.prefix + 'option').length - 1){
	selected_index = selected_index + 1;
}
else{
	selected_index = -1;
}
refreshActiveOption();
	scrollToActiveOption();
	break;
	case key.escape:e.preventDefault();
	break;
	case key.comma:e.preventDefault();
	if (selected_index === -1){
	if ($(input_element).val() !== ''){
	addTag($(input_element).val());
}
}
resizeInput();
	break;
	case key.enter:e.preventDefault();
	if (selected_index !== -1){
	selectOption();
}
else{
	if ($(input_element).val() !== ''){
	addTag($(input_element).val());
}
}
resizeInput();
	break;
	case key.backspace:if (input_element.value === ''){
	$(element).val($(element).val().substring(0,$(element).val().lastIndexOf(',')));
	$(element).trigger('change');
	searchOptions();
}
resizeInput();
	break;
	default:resizeInput();
	break;
}
}
);
	$(input_element).bind('keyup',function (e){
	e.preventDefault();
	e.stopPropagation();
	var keyCode = e.keyCode || e.which;
	if (keyCode === key.escape || keyCode === key.enter){
	hideOptions();
}
else if (keyCode < 37 || keyCode > 40){
	searchOptions();
}
if ($(box_element).hasClass('options-hidden') && (keyCode === key.left || keyCode === key.right || keyCode === key.up || keyCode === key.down)){
	searchOptions();
}
resizeInput();
}
);
	$(input_element).bind('focus',function (e){
	e.preventDefault();
	e.stopPropagation();
	if (!$(options_element).is(':empty') || plugin.settings.showAllOptionsOnFocus){
	searchOptions();
	showOptions();
}
}
);
	$(input_element).bind('blur',function (e){
	e.preventDefault();
	e.stopPropagation();
	hideOptions();
}
);
	refreshTags();
}
;
	// RESIZE INPUTvar resizeInput = function (){
	textlength_element.innerHTML = input_element.value;
	$(input_element).css({
	width:($(textlength_element).width() + 20) + 'px'}
);
}
;
	// SET AUTOCOMPLETE LISTplugin.autocomplete = function (autocomplete){
	plugin.settings.autocomplete = autocomplete !== undefined ? autocomplete:[];
}
;
	// REFRESH TAGSplugin.refresh = function (){
	refreshTags();
}
;
	var refreshTags = function (){
	$(tags_element).empty();
	var tags = $(element).val().split(',');
	$.each(tags,function (key,value){
	if (value !== ''){
	var tag_element = document.createElement('div');
	$(tag_element).addClass(plugin.settings.prefix + 'tag');
	$(tag_element).html(value);
	// remove buttonvar button_remove_element = document.createElement('div');
	$(button_remove_element).data('text',value);
	$(button_remove_element).addClass(plugin.settings.prefix + 'tag_remove');
	$(button_remove_element).bind('mousedown',function (e){
	e.preventDefault();
	e.stopPropagation();
}
);
	$(button_remove_element).bind('mouseup',function (e){
	e.preventDefault();
	e.stopPropagation();
	removeTag($(this).data('text'));
	$(element).trigger('change');
}
);
	$(button_remove_element).html('X');
	$(tag_element).append(button_remove_element);
	// clearvar clear_element = document.createElement('div');
	clear_element.style.clear = 'both';
	$(tag_element).append(clear_element);
	$(tags_element).append(tag_element);
}
}
);
	searchOptions();
}
;
	// REMOVE TAG FROM ORIGINAL ELEMENTvar removeTag = function (text){
	var tagsBefore = $(element).val().split(',');
	var tagsAfter = [];
	$.each(tagsBefore,function (key,value){
	if (value !== text && value !== ''){
	tagsAfter.push(value);
}
}
);
	$(element).val(tagsAfter.join(','));
}
;
	// CHECK IF TAG IS PRESENTvar hasTag = function (text){
	var tags = $(element).val().split(',');
	var hasTag = false;
	$.each(tags,function (key,value){
	if ($.trim(value) === $.trim(text)){
	hasTag = true;
}
}
);
	return hasTag;
}
;
	// ADD TAG TO ORIGINAL ELEMENTvar addTag = function (text){
	if (!hasTag(text)){
	$(element).val($(element).val() + ($(element).val() !== '' ? ',':'') + text);
	$(element).trigger('change');
}
$(input_element).val('');
	box_element.focus();
	hideOptions();
}
;
	// OPTIONS SEARCH METHODvar searchOptions = function (){
	$(options_element).empty();
	if (input_element.value.replace(/\s/g,'') !== '' || plugin.settings.showAllOptionsOnFocus){
	var optionsArray = [];
	$.each(plugin.settings.autocomplete,function (key,value){
	if (value.toLowerCase().indexOf(input_element.value.toLowerCase()) !== -1){
	if (!hasTag(value)){
	optionsArray.push(value);
}
}
}
);
	generateOptions(optionsArray);
}
if ($(input_element).is(':focus')){
	if (!$(options_element).is(':empty')){
	showOptions();
}
else{
	hideOptions();
}
}
else{
	hideOptions();
}
selected_index = -1;
}
;
	// GENERATE OPTIONSvar generateOptions = function (optionsArray){
	var index = -1;
	$(optionsArray).each(function (key,value){
	index++;
	var option = createOption(value,index);
	$(options_element).append(option);
}
);
	refreshActiveOption();
}
;
	// CREATE RESULT OPTIONvar createOption = function (text,index){
	// holder livar option = document.createElement('li');
	$(option).data('index',index);
	$(option).data('text',text);
	$(option).html(text);
	$(option).addClass(plugin.settings.prefix + 'option');
	if (this.selected){
	$(option).addClass('active');
}
// BIND EVENTS$(option).bind('mouseover',function (e){
	e.stopPropagation();
	e.preventDefault();
	selected_index = index;
	refreshActiveOption();
}
);
	$(option).bind('mousedown',function (e){
	e.stopPropagation();
	e.preventDefault();
}
);
	$(option).bind('click',function (e){
	e.preventDefault();
	e.stopPropagation();
	selectOption();
}
);
	return option;
}
;
	// SHOW OPTIONS AND DIMMERvar showOptions = function (){
	$(box_element).removeClass('options-hidden').addClass('options-visible');
	if (plugin.settings.useDimmer){
	$('#' + plugin.settings.prefix + 'dimmer').show();
}
$(options_element).css('top',($(box_element).outerHeight()-2) + 'px');
	if ($(box_element).hasClass('single')){
	selected_index = $(options_element).find('.' + plugin.settings.prefix + 'option').index($(options_element).find('.' + plugin.settings.prefix + 'option.active'));
}
scrollToActiveOption();
}
;
	// HIDE OPTIONS AND DIMMERvar hideOptions = function (){
	$(box_element).removeClass('options-visible').addClass('options-hidden');
	if (plugin.settings.useDimmer){
	$('#' + plugin.settings.prefix + 'dimmer').hide();
}
}
;
	// REFRESH ACTIVE IN OPTIONS METHODvar refreshActiveOption = function (){
	$(options_element).find('.active').removeClass('active');
	if (selected_index !== -1){
	$(options_element).find('.' + plugin.settings.prefix + 'option').eq(selected_index).addClass('active');
}
}
;
	// SCROLL TO ACTIVE OPTION IN OPTIONS LISTvar scrollToActiveOption = function (){
	var $active_element = $(options_element).find('.' + plugin.settings.prefix + 'option.active');
	if ($active_element.length > 0){
	$(options_element).scrollTop($(options_element).scrollTop() + $active_element.position().top - $(options_element).height()/2 + $active_element.height()/2);
}
}
;
	// SELECT ACTIVE OPTIONvar selectOption = function (){
	addTag($(options_element).find('.' + plugin.settings.prefix + 'option').eq(selected_index).data('text'));
}
;
	// REMOVE PLUGIN AND REVERT INPUT ELEMENT TO ORIGINAL STATEplugin.destroy = function (){
	$(box_element).remove();
	$.removeData(element,'tagator');
	$(element).show();
	if ($('.tagator').length === 0){
	$('#' + plugin.settings.prefix + 'dimmer').remove();
}
}
;
	// Initialize pluginplugin.init();
}
;
	$.fn.tagator = function(){
	var parameters = arguments[0] !== undefined ? arguments:[{
}
];
	return this.each(function (){
	if (typeof(parameters[0]) === 'object'){
	if (undefined === $(this).data('tagator')){
	var plugin = new $.tagator(this,parameters[0]);
	$(this).data('tagator',plugin);
}
}
else if ($(this).data('tagator')[parameters[0]]){
	$(this).data('tagator')[parameters[0]].apply(this,Array.prototype.slice.call(parameters,1));
}
else{
	$.error('Method ' + parameters[0] + ' does not exist in $.tagator');
}
}
);
}
;
}
(jQuery));

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