/**
<b>Load content via Ajax </b>. For more information please refer to documentation #basics/ajax
*/
(function($ , undefined) {
var ajax_loaded_scripts = {}
function AceAjax(contentArea, options) {
var $contentArea = $(contentArea);
var self = this;
var content_url = options.content_url || false
var default_url = options.default_url || false;
var loading_icon = options.loading_icon || 'fa-spinner fa-2x orange';
var loading_text = options.loading_text || '';
var update_breadcrumbs = options.update_breadcrumbs || options.update_breadcrumbs === undefined;
var update_title = options.update_title || options.update_breadcrumbs === undefined;
var update_active = options.update_active || options.update_breadcrumbs === undefined;
var close_active = options.close_active || false;
var max_load_wait = options.max_load_wait || false;
var working = false;
this.loadUrl = function(hash) {
var url = false;
hash = hash.replace(/^(\#\!)?\#/, '');
if(typeof content_url === 'function') url = content_url(hash);
if(typeof url === 'string') this.getUrl(url, hash, false);
}
this.getUrl = function(url, hash, manual_trigger) {
if(working) {
return;
}
var event
$contentArea.trigger(event = $.Event('ajaxloadstart'), {url: url, hash: hash})
if (event.isDefaultPrevented()) return;
self.startLoading();
$.ajax({
'url': url
})
.error(function() {
$contentArea.trigger('ajaxloaderror', {url: url, hash: hash});
self.stopLoading(true);
})
.done(function(result) {
$contentArea.trigger('ajaxloaddone', {url: url, hash: hash});
var link_element = null, link_text = '';;
if(typeof update_active === 'function') {
link_element = update_active.call(null, hash, url);
}
else if(update_active === true) {
link_element = $('a[data-url="'+hash+'"]');
if(link_element.length > 0) {
var nav = link_element.closest('.nav');
if(nav.length > 0) {
nav.find('.active').each(function(){
var $class = 'active';
if( $(this).hasClass('hover') || close_active ) $class += ' open';
$(this).removeClass($class);
if(close_active) {
$(this).find(' > .submenu').css('display', '');
}
})
var active_li = link_element.closest('li').addClass('active').parents('.nav li').addClass('active open');
nav.closest('.sidebar[data-sidebar-scroll=true]').each(function() {
var $this = $(this);
$this.ace_sidebar_scroll('reset');
if(manual_trigger) $this.ace_sidebar_scroll('scroll_to_active');//first time only
})
}
}
}
/////////
if(typeof update_breadcrumbs === 'function') {
link_text = update_breadcrumbs.call(null, hash, url, link_element);
}
else if(update_breadcrumbs === true && link_element != null && link_element.length > 0) {
link_text = updateBreadcrumbs(link_element);
}
/////////
//convert "title" and "link" tags to "div" tags for later processing
result = String(result)
.replace(/<(title|link)([\s\>])/gi,'<div class="hidden ajax-append-$1"$2')
.replace(/<\/(title|link)\>/gi,'</div>')
$contentArea.empty().html(result);
$contentArea.css('opacity', 0.6);
//remove previous stylesheets inserted via ajax
setTimeout(function() {
$('head').find('link.ace-ajax-stylesheet').remove();
var main_selectors = ['link.ace-main-stylesheet', 'link#main-ace-style', 'link[href*="/ace.min.css"]', 'link[href*="/ace.css"]']
var ace_style = [];
for(var m = 0; m < main_selectors.length; m++) {
ace_style = $('head').find(main_selectors[m]).first();
if(ace_style.length > 0) break;
}
$contentArea.find('.ajax-append-link').each(function(e) {
var $link = $(this);
if ( $link.attr('href') ) {
var new_link = jQuery('<link />', {type : 'text/css', rel: 'stylesheet', 'class': 'ace-ajax-stylesheet'})
if( ace_style.length > 0 ) new_link.insertBefore(ace_style);
else new_link.appendTo('head');
new_link.attr('href', $link.attr('href'));//we set "href" after insertion, for IE to work
}
$link.remove();
})
}, 10);
//////////////////////
if(typeof update_title === 'function') {
update_title.call(null, hash, url, link_text);
}
else if(update_title === true) {
updateTitle(link_text);
}
if( !manual_trigger ) {
$('html,body').animate({scrollTop: 0}, 250);
}
//////////////////////
$contentArea.trigger('ajaxloadcomplete', {url: url, hash: hash});
//////////////////////
self.stopLoading();
})
}
///////////////////////
var loadTimer = null;
this.startLoading = function() {
if(working) return;
working = true;
$contentArea
.css('opacity', 0.25)
.prevAll('.ajax-loading-overlay').remove();
$('<div class="ajax-loading-overlay"><i class="ajax-loading-icon fa fa-spin '+loading_icon+'"></i> '+loading_text+'</div>').insertBefore(contentArea);
if(max_load_wait !== false)
loadTimer = setTimeout(function() {
loadTimer = null;
if(!working) return;
var event
$contentArea.trigger(event = $.Event('ajaxloadlong'))
if (event.isDefaultPrevented()) return;
self.stopLoading(true);
}, max_load_wait * 1000);
}
this.stopLoading = function(stopNow) {
if(stopNow === true) {
working = false;
$contentArea
.css('opacity', 1)
.prevAll('.ajax-loading-overlay').remove();
if(loadTimer != null) {
clearTimeout(loadTimer);
loadTimer = null;
}
}
else {
$contentArea.css('opacity', 0.75)
$contentArea.one('ajaxscriptsloaded', function() {
self.stopLoading(true);
})
}
}
///////////////////////
function updateBreadcrumbs(link_element) {
var link_text = '';
//update breadcrumbs
var breadcrumbs = $('.breadcrumb');
if(breadcrumbs.length > 0 && breadcrumbs.is(':visible')) {
breadcrumbs.find('> li:not(:first-child)').remove();
var i = 0;
link_element.parents('.nav li').each(function() {
var link = $(this).find('> a');
var link_clone = link.clone();
link_clone.find('i,.fa,.glyphicon,.ace-icon,.menu-icon,.badge,.label').remove();
var text = link_clone.text();
link_clone.remove();
var href = link.attr('href');
if(i == 0) {
var li = $('<li class="active"></li>').appendTo(breadcrumbs);
li.text(text);
link_text = text;
}
else {
var li = $('<li><a /></li>').insertAfter(breadcrumbs.find('> li:first-child'));
li.find('a').attr('href', href).text(text);
}
i++;
})
}
return link_text;
}
function updateTitle(link_text) {
var $title = $contentArea.find('.ajax-append-title');
if($title.length > 0) {
document.title = $title.text();
$title.remove();
}
else if(link_text.length > 0) {
var extra = $.trim(String(document.title).replace(/^(.*)[\-]/, ''));//for example like " - Ace Admin"
if(extra) extra = ' - ' + extra;
link_text = $.trim(link_text) + extra;
}
}
this.loadScripts = function(scripts, callback) {
$.ajaxPrefilter('script', function(opts) {opts.cache = true});
setTimeout(function() {
//let's keep a list of loaded scripts so that we don't load them more than once!
function finishLoading() {
if(typeof callback === 'function') callback();
$('.btn-group[data-toggle="buttons"] > .btn').button();
$contentArea.trigger('ajaxscriptsloaded');
}
//var deferreds = [];
var deferred_count = 0;//deferreds count
var resolved = 0;
for(var i = 0; i < scripts.length; i++) if(scripts[i]) {
(function() {
var script_name = "js-"+scripts[i].replace(/[^\w\d\-]/g, '-').replace(/\-\-/g, '-');
if( ajax_loaded_scripts[script_name] !== true ) deferred_count++;
})()
}
function nextScript(index) {
index += 1;
if(index < scripts.length) loadScript(index);
else {
finishLoading();
}
}
function loadScript(index) {
index = index || 0;
if(!scripts[index]) {//could be null sometimes
return nextScript(index);
}
var script_name = "js-"+scripts[index].replace(/[^\w\d\-]/g, '-').replace(/\-\-/g, '-');
//only load scripts that are not loaded yet!
if( ajax_loaded_scripts[script_name] !== true ) {
$.getScript(scripts[index])
.done(function() {
ajax_loaded_scripts[script_name] = true;
})
//.fail(function() {
//})
.complete(function() {
resolved++;
if(resolved >= deferred_count && working) {
finishLoading();
}
else {
nextScript(index);
}
})
}
else {//script previoisly loaded
nextScript(index);
}
}
if (deferred_count > 0) {
loadScript();
}
else {
finishLoading();
}
}, 10)
}
/////////////////
$(window)
.off('hashchange.ace_ajax')
.on('hashchange.ace_ajax', function(e, manual_trigger) {
var hash = $.trim(window.location.hash);
if(!hash || hash.length == 0) return;
self.loadUrl(hash);
}).trigger('hashchange.ace_ajax', [true]);
var hash = $.trim(window.location.hash);
if(!hash && default_url) window.location.hash = default_url;
}//AceAjax
$.fn.aceAjax = $.fn.ace_ajax = function (option, value, value2) {
var method_call;
var $set = this.each(function () {
var $this = $(this);
var data = $this.data('ace_ajax');
var options = typeof option === 'object' && option;
if (!data) $this.data('ace_ajax', (data = new AceAjax(this, options)));
if (typeof option === 'string' && typeof data[option] === 'function') {
if(value2 != undefined) method_call = data[option](value, value2);
else method_call = data[option](value);
}
});
return (method_call === undefined) ? $set : method_call;
}
})(window.jQuery);
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