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jquery.cookiebar.js
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jquery.cookiebar.js
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/*
* Copyright (C) 2012 PrimeBox ([email protected])
*
* This work is licensed under the Creative Commons
* Attribution 3.0 Unported License. To view a copy
* of this license, visit
* http://creativecommons.org/licenses/by/3.0/.
*
* Documentation available at:
* http://www.primebox.co.uk/projects/cookie-bar/
*
* When using this software you use it at your own risk. We hold
* no responsibility for any damage caused by using this plugin
* or the documentation provided.
*/
(function($){
$.cookieBar = function(options,val){
if(options=='cookies'){
var doReturn = 'cookies';
}else if(options=='set'){
var doReturn = 'set';
}else{
var doReturn = false;
}
var defaults = {
message: 'We use cookies to track usage and preferences.', //Message displayed on bar
acceptButton: true, //Set to true to show accept/enable button
acceptText: 'I Understand', //Text on accept/enable button
acceptFunction: function(cookieValue){if(cookieValue!='enabled' && cookieValue!='accepted') window.location = window.location.href;}, //Function to run after accept
declineButton: false, //Set to true to show decline/disable button
declineText: 'Disable Cookies', //Text on decline/disable button
declineFunction: function(cookieValue){if(cookieValue=='enabled' || cookieValue=='accepted') window.location = window.location.href;}, //Function to run after decline
policyButton: false, //Set to true to show Privacy Policy button
policyText: 'Privacy Policy', //Text on Privacy Policy button
policyURL: '/privacy-policy/', //URL of Privacy Policy
autoEnable: true, //Set to true for cookies to be accepted automatically. Banner still shows
acceptOnContinue: false, //Set to true to accept cookies when visitor moves to another page
acceptOnScroll: false, //Set to true to accept cookies when visitor scrolls X pixels up or down
acceptAnyClick: false, //Set to true to accept cookies when visitor clicks anywhere on the page
expireDays: 365, //Number of days for cookieBar cookie to be stored for
renewOnVisit: false, //Renew the cookie upon revisit to website
forceShow: false, //Force cookieBar to show regardless of user cookie preference
effect: 'slide', //Options: slide, fade, hide
element: 'body', //Element to append/prepend cookieBar to. Remember "." for class or "#" for id.
append: false, //Set to true for cookieBar HTML to be placed at base of website. Actual position may change according to CSS
fixed: false, //Set to true to add the class "fixed" to the cookie bar. Default CSS should fix the position
bottom: false, //Force CSS when fixed, so bar appears at bottom of website
zindex: '', //Can be set in CSS, although some may prefer to set here
domain: String(window.location.hostname), //Location of privacy policy
referrer: String(document.referrer) //Where visitor has come from
};
var options = $.extend(defaults,options);
//Sets expiration date for cookie
var expireDate = new Date();
expireDate.setTime(expireDate.getTime()+(options.expireDays*86400000));
expireDate = expireDate.toGMTString();
var cookieEntry = 'cb-enabled={value}; expires='+expireDate+'; path=/';
//Retrieves current cookie preference
var i,cookieValue='',aCookie,aCookies=document.cookie.split('; ');
for (i=0;i<aCookies.length;i++){
aCookie = aCookies[i].split('=');
if(aCookie[0]=='cb-enabled'){
cookieValue = aCookie[1];
}
}
//Sets up default cookie preference if not already set
if(cookieValue=='' && doReturn!='cookies' && options.autoEnable){
cookieValue = 'enabled';
document.cookie = cookieEntry.replace('{value}','enabled');
}else if((cookieValue=='accepted' || cookieValue=='declined') && doReturn!='cookies' && options.renewOnVisit){
document.cookie = cookieEntry.replace('{value}',cookieValue);
}
if(options.acceptOnContinue){
if(options.referrer.indexOf(options.domain)>=0 && String(window.location.href).indexOf(options.policyURL)==-1 && doReturn!='cookies' && doReturn!='set' && cookieValue!='accepted' && cookieValue!='declined'){
doReturn = 'set';
val = 'accepted';
}
}
if(doReturn=='cookies'){
//Returns true if cookies are enabled, false otherwise
if(cookieValue=='enabled' || cookieValue=='accepted'){
return true;
}else{
return false;
}
}else if(doReturn=='set' && (val=='accepted' || val=='declined')){
//Sets value of cookie to 'accepted' or 'declined'
document.cookie = cookieEntry.replace('{value}',val);
if(val=='accepted'){
return true;
}else{
return false;
}
}else{
//Sets up enable/accept button if required
var message = options.message.replace('{policy_url}',options.policyURL);
if(options.acceptButton){
var acceptButton = '<a href="" class="cb-enable">'+options.acceptText+'</a>';
}else{
var acceptButton = '';
}
//Sets up disable/decline button if required
if(options.declineButton){
var declineButton = '<a href="" class="cb-disable">'+options.declineText+'</a>';
}else{
var declineButton = '';
}
//Sets up privacy policy button if required
if(options.policyButton){
var policyButton = '<a href="'+options.policyURL+'" class="cb-policy">'+options.policyText+'</a>';
}else{
var policyButton = '';
}
//Whether to add "fixed" class to cookie bar
if(options.fixed){
if(options.bottom){
var fixed = ' class="fixed bottom"';
}else{
var fixed = ' class="fixed"';
}
}else{
var fixed = '';
}
if(options.zindex!=''){
var zindex = ' style="z-index:'+options.zindex+';"';
}else{
var zindex = '';
}
//Displays the cookie bar if arguments met
if(options.forceShow || cookieValue=='enabled' || cookieValue==''){
if(options.append){
$(options.element).append('<div id="cookie-bar"'+fixed+zindex+'><p>'+message+acceptButton+declineButton+policyButton+'</p></div>');
}else{
$(options.element).prepend('<div id="cookie-bar"'+fixed+zindex+'><p>'+message+acceptButton+declineButton+policyButton+'</p></div>');
}
}
var removeBar = function(func){
if(options.acceptOnScroll) $(document).off('scroll');
if(typeof(func)==='function') func(cookieValue);
if(options.effect=='slide'){
$('#cookie-bar').slideUp(300,function(){$('#cookie-bar').remove();});
}else if(options.effect=='fade'){
$('#cookie-bar').fadeOut(300,function(){$('#cookie-bar').remove();});
}else{
$('#cookie-bar').hide(0,function(){$('#cookie-bar').remove();});
}
$(document).unbind('click',anyClick);
};
var cookieAccept = function(){
document.cookie = cookieEntry.replace('{value}','accepted');
removeBar(options.acceptFunction);
};
var cookieDecline = function(){
var deleteDate = new Date();
deleteDate.setTime(deleteDate.getTime()-(864000000));
deleteDate = deleteDate.toGMTString();
aCookies=document.cookie.split('; ');
for (i=0;i<aCookies.length;i++){
aCookie = aCookies[i].split('=');
if(aCookie[0].indexOf('_')>=0){
document.cookie = aCookie[0]+'=0; expires='+deleteDate+'; domain='+options.domain.replace('www','')+'; path=/';
}else{
document.cookie = aCookie[0]+'=0; expires='+deleteDate+'; path=/';
}
}
document.cookie = cookieEntry.replace('{value}','declined');
removeBar(options.declineFunction);
};
var anyClick = function(e){
if(!$(e.target).hasClass('cb-policy')) cookieAccept();
};
$(document).on('click touchstart', '#cookie-bar .cb-enable',function($event) {
$event.preventDefault();
cookieAccept();
return false;
});
$(document).on('click touchstart', '#cookie-bar .cb-disable',function($event) {
$event.preventDefault();
cookieDecline();
return false;
});
if(options.acceptOnScroll){
var scrollStart = $(document).scrollTop(),scrollNew,scrollDiff;
$(document).on('scroll',function(){
scrollNew = $(document).scrollTop();
if(scrollNew>scrollStart){
scrollDiff = scrollNew - scrollStart;
}else{
scrollDiff = scrollStart - scrollNew;
}
if(scrollDiff>=Math.round(options.acceptOnScroll)) cookieAccept();
});
}
if(options.acceptAnyClick){
$(document).bind('click',anyClick);
}
}
};
})(jQuery);