Subversion-Projekte lars-tiefland.ci

// ####################################################################################
// #######                                                                      #######
// ####### Plugin:      jScroll                                                 #######
// ####### Author:      William Duffy                                           #######
// ####### Website:     http://www.wduffy.co.uk/jScroll                         #######
// ####### Version:     1.1                                                         #######
// #######                                                                      #######
// ####### Copyright (c) 2011, William Duffy - www.wduffy.co.uk                 #######
// #######                                                                      #######
// ####### 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($) {
    
    // Public: jScroll Plugin
    $.fn.jScroll = function(options) {

        var opts = $.extend({}, $.fn.jScroll.defaults, options);

        return this.each(function() {
                        var $element = $(this);
                        var $window = $(window);
                        var locator = new location($element);
                        
            
            
                        $window.scroll(function() {
                                $element
                                        .stop()
                                        .animate(locator.getMargin($window), opts.speed);

                    
                        });
        });
                
                // Private 
                function location($element)
                {
                    
                        this.min = $element.offset().top;
                        this.originalMargin = parseInt($element.css("margin-top"), 10) || 0;
                        
                        this.getMargin = function ($window)
                        {
                                var max = $element.parent().height() - $element.outerHeight();
                                var margin = this.originalMargin;
                        
                                if ($window.scrollTop() >= this.min)
                                        margin = margin + opts.top + $window.scrollTop() - this.min; 
                                
                                if (margin > max)
                                        margin = max;
                             
                                return ({"marginTop" : margin + 'px'});
                        }
                }          
                
    };

    // Public: Default values
    $.fn.jScroll.defaults = {
        speed   :       "slow",
                top             :       10
    };

})(jQuery);