/*
** Anderson Ferminiano
** contato@andersonferminiano.com -- feel free to contact me for bugs or new implementations.
** jQuery ScrollPagination
** 28th/March/2011
** http://andersonferminiano.com/jqueryscrollpagination/
** You may use this script for free, but keep my credits.
** Thank you.
*/
(function( $ ){
$.fn.scrollPagination = function(options) {
var opts = $.extend($.fn.scrollPagination.defaults, options);
var target = opts.scrollTarget;
if (target == null){
target = obj;
}
opts.scrollTarget = target;
return this.each(function() {
$.fn.scrollPagination.init($(this), opts);
});
};
$.fn.stopScrollPagination = function(){
return this.each(function() {
$(this).attr('scrollPagination', 'disabled');
});
};
$.fn.scrollPagination.loadContent = function(obj, opts){
var target = opts.scrollTarget;
// console.log($.trim(opts.lastdata).length==0, opts.lastdata.match(//)!=null);
var reach_last_page = ($.trim(opts.lastdata).length==0 || /\<\!--END_PAGINATION--\>/.test(opts.lastdata)==true);
var mayLoadContent = ($(target).scrollTop()+opts.heightOffset >= $(document).height() - $(target).height()) && (!reach_last_page) && (opts.lock);
if (mayLoadContent){
if (opts.beforeLoad != null){
opts.beforeLoad();
}
opts.lock = false;
$(obj).children().attr('rel', 'loaded');
$.ajax({
type: 'POST',
url: opts.contentPage,
data: opts.contentData,
success: function(data){
$(obj).append(data);
opts.lastdata = data;
if(/\<\!--CONT_PAGINATION--\>/.test(data)==true){
opts.lock = true;
}
var objectsRendered = $(obj).children('[rel!=loaded]');
if (opts.afterLoad != null){
opts.afterLoad(objectsRendered);
}
},
dataType: 'html'
});
}
};
$.fn.scrollPagination.init = function(obj, opts){
var target = opts.scrollTarget;
$(obj).attr('scrollPagination', 'enabled');
// $.fn.scrollPagination.loadContent(obj, opts);
// console.log(opts);
$(target).scroll(function(event){
if ($(obj).attr('scrollPagination') == 'enabled'){
$.fn.scrollPagination.loadContent(obj, opts);
}
else {
event.stopPropagation();
}
});
$.fn.scrollPagination.loadContent(obj, opts);
};
$.fn.scrollPagination.defaults = {
'contentPage' : null,
'contentData' : {},
'beforeLoad': null,
'afterLoad': null ,
'scrollTarget': null,
'heightOffset': 0,
'lock': true,
'lastdata': '_'
};
})( jQuery );