/*
 * 	Easy Slider 1.7 - jQuery plugin
 *	written by Alen Grakalic	
 *	http://cssglobe.com/post/4004/easy-slider-15-the-easiest-jquery-plugin-for-sliding
 *
 *	Copyright (c) 2009 Alen Grakalic (http://cssglobe.com)
 *	Dual licensed under the MIT (MIT-LICENSE.txt)
 *	and GPL (GPL-LICENSE.txt) licenses.
 *
 *	Built for jQuery library
 *	http://jquery.com
 *
 */
 
/*
 *	markup example for $("#slider").easySlider();
 *	
 * 	<div id="slider">
 *		<ul>
 *			<li><img src="images/01.jpg" alt="" /></li>
 *			<li><img src="images/02.jpg" alt="" /></li>
 *			<li><img src="images/03.jpg" alt="" /></li>
 *			<li><img src="images/04.jpg" alt="" /></li>
 *			<li><img src="images/05.jpg" alt="" /></li>
 *		</ul>
 *	</div>
 *
 */

(function($) {

    $.fn.easySlider = function(options) {

        // default configuration properties
        var defaults = {
            prevId: 'prevBtn',
            prevText: 'Previous',
            nextId: 'nextBtn',
            nextText: 'Next',
            controlsShow: true,
            controlsBefore: '',
            controlsAfter: '',
            controlsFade: true,
            firstId: 'firstBtn',
            firstText: 'First',
            firstShow: false,
            lastId: 'lastBtn',
            lastText: 'Last',
            lastShow: false,
            vertical: false,
            speed: 800,
            auto: false,
            pause: 2000,
            continuous: false,
            numeric: false,
            numericId: 'controls',
            show: 1
        };

        var options = $.extend(defaults, options);

        var clickable = true;
        var handleMouseover = true;
        var isMouseover = false;

        this.mouseover(function() {
            if (handleMouseover) {

                clickable = false;
                isMouseover = true;
            }
        });

        this.mouseout(function() {
            clickable = true;
            isMouseover = false;
        });

        this.each(function() {
            var obj = $(this);
            var s = $("li", obj).length;
            var w = $("li", obj).width();
            var h = $("li", obj).height();

            obj.width(w * options.show);
            obj.height(h);
            obj.css("overflow", "hidden");
            var ts = s - 1;
            var t = 0;

            var isStatic = false;
            if (!options.numeric) {
                var items = (s / 3);
                if (items <= options.show) {
                    isStatic = true;
                }
            }
            if (options.numeric) {
                var items = (s - 1);
                if (items <= options.show) {
                    isStatic = true;
                }
            }
            else if (options.show == 1 && s == 1) {
                isStatic = true;
            }


            $("ul", obj).css('width', s * w);
            var wid = s * w;

            if (s < options.show) {
                $("ul", obj).css('width', options.show * w);
            }


            if (!options.numeric && !isStatic) {
                var margin = ((s * w) / 3) * -1;

                $("ul", obj).css('margin-left', margin);
                t = (s / 3);
            }

            if (options.continuous && !isStatic) {
                $("ul", obj).prepend($("ul li:last-child", obj).clone().css("margin-left", "-" + w + "px"));
                $("ul", obj).append($("ul li:nth-child(2)", obj).clone());
                $("ul", obj).css('width', (s + 1) * w);
            };

            if (!options.vertical) $("li", obj).css('float', 'left');



            if (options.controlsShow) {
                var html = options.controlsBefore;
                if (options.numeric) {
                    html += '<ol id="' + options.numericId + '"></ol>';
                } else {
                    if (options.firstShow) html += '<span id="' + options.firstId + '"><a href=\"javascript:void(0);\">' + options.firstText + '</a></span>';
                    if (!isStatic) {
                        html += ' <span id="' + options.prevId + '"><a href=\"javascript:void(0);\">' + options.prevText + '</a></span>';
                        html += ' <span id="' + options.nextId + '"><a href=\"javascript:void(0);\">' + options.nextText + '</a></span>';
                    }
                    if (options.lastShow) html += ' <span id="' + options.lastId + '"><a href=\"javascript:void(0);\">' + options.lastText + '</a></span>';
                };

                html += options.controlsAfter;
                $(obj).after(html);
            };

            if (options.numeric) {
                for (var i = 0; i < s; i++) {
                    if (options.show == 4) {
                        $(document.createElement("li"))
						.attr('id', options.numericId + (i + 1))
						.html('<a rel=' + i + ' href=\"javascript:void(0);\">' + (i + 1) + '</a>')
						.appendTo($("#" + options.numericId))
						.click(function() {
						    animate($("a", $(this)).attr('rel'), true);
						});
                    }
                    else {
                        if (i < s - 1) {
                            $(document.createElement("li"))
						    .attr('id', options.numericId + (i + 1))
						    .html('<a rel=' + i + ' href=\"javascript:void(0);\">' + (i + 1) + '</a>')
						    .appendTo($("#" + options.numericId))
						    .click(function() {
						        animate($("a", $(this)).attr('rel'), true);
						    });
                        }

                    }
                };
            } else {
                $("a", "#" + options.nextId).click(function() {
                    animate("next", true);
                });
                $("a", "#" + options.prevId).click(function() {
                    animate("prev", true);
                });
                $("a", "#" + options.firstId).click(function() {
                    animate("first", true);
                });
                $("a", "#" + options.lastId).click(function() {
                    animate("last", true);
                });
                if (options.show == 4) {
                    for (var i = 0; i < s; i++) {
                        var listItem = $("li", obj)[i];
                        $(listItem).attr('id', options.numericId + (i + 1))
                        $(listItem).click(function() {
                            animate($("a", $(this)).attr('rel'), true);
                        });
                    }
                }
            };

            function setCurrent(i) {
                i = parseInt(i) + 1;
                if (options.show == 4) {
                    $("li", obj).removeClass("current");
                    //$("li#" + options.numericId + i).addClass("current");
                    for (var q = 0; q < s; q++) {
                        var listItem = $("li", obj)[q];
                        var id = options.numericId + (i + 1);

                        if (listItem.id == id) {
                            listItem.className = 'current';
                        }
                    }
                }
                else {
                    $("li", "#" + options.numericId).removeClass("current");
                    $("li#" + options.numericId + i).addClass("current");
                }
            };

            function adjust() {
                if (t > ts) t = 0;
                if (t < 0) t = ts;
                if (!options.vertical) {
                    $("ul", obj).css("margin-left", (t * w * -1));
                } else {
                    $("ul", obj).css("margin-left", (t * h * -1));
                }
                clickable = true;
                if (options.numeric || options.show == 4) setCurrent(t);
            };


            function animate(dir, clicked) {

                if (clicked && !clickable) {
                    clickable = true;
                }
                if (isStatic) {
                    return;
                }
                if (options.show == 1 && options.numeric) {
                    if (clicked) {
                        document.getElementById('videoplayer').style.display = 'none';
                        document.getElementById('player').src = '';
                        document.getElementById('player').style.display = 'none';
                    }
                    else {

                        if (document.getElementById('videoplayer').style.display != 'none;') {
                            clickable = false;
                            return;
                        }
                    }
                }
                if (clickable) {
                    clickable = false;
                    var ot = t;
                    switch (dir) {
                        case "next":
                            /*
                            if (options.numeric) t = (ot + (options.show - 1) >= ts) ? (options.continuous ? 0 : ts) : t + 1;
                            else t = parseInt(t) + 1;
                            */
                            t = parseInt(t) + 1;
                            if (!options.numeric) {
                                if (ot + (options.show - 1) == ts) {

                                    //jump back to the middle
                                    //if (!options.numeric) {
                                    t = ot - (s / 3) + 1;

                                    ot = t - 1;
                                    var margin = (ot * w) * -1;
                                    $("ul", obj).css("margin-left", margin);
                                    //}
                                }
                            }
                            break;
                        case "prev":
                            t = (t <= 0) ? (options.continuous ? (ts - options.show + 1) : 0) : t - 1;
                            if (t == 0) {
                                //jump back to the middle
                                if (!options.numeric) {
                                    t = (s / 3);
                                    ot = t + 1;
                                    var margin = (((s * w) / 3) + w) * -1;
                                    $("ul", obj).css("margin-left", margin);
                                }
                            }
                            break;
                        case "first":
                            t = 0;
                            break;
                        case "last":
                            t = ts;
                            break;
                        default:
                            t = dir;
                            if (!options.numeric) $("li", "#" + options.numericId).removeClass("current");
                            if (parseInt(t) + parseInt(options.show - 1) >= ts) {

                                //jump back to the middle
                                if (!options.numeric) {

                                    t = t - (s / 3);

                                    ot = ot - (s / 3);
                                    var margin = (ot * w) * -1;
                                    $("ul", obj).css("margin-left", margin);
                                }
                            }
                            break;
                    };

                    if (options.show == 4) {
                        $("#main-content").fadeOut("700", function() {
                            toggleAdContent(t);
                            $("#main-content").fadeIn("1000");
                        });
                    }
                    var diff = Math.abs(ot - t);
                    var speed = diff * options.speed;
                    if (!options.vertical) {

                        p = (t * w * -1);
                        $("ul", obj).animate(
							{ marginLeft: p },
							{ queue: false, duration: speed, complete: adjust }
						);
                    } else {
                        p = (t * h * -1);
                        $("ul", obj).animate(
							{ marginTop: p },
							{ queue: false, duration: speed, complete: adjust }
						);
                    };

                    if (options.numeric && t == s - 1) {
                        t = 0;
                        adjust();
                    }

                    if (!options.continuous && options.controlsFade) {
                        if (t == ts) {
                            $("a", "#" + options.nextId).hide();
                            $("a", "#" + options.lastId).hide();
                        } else {
                            $("a", "#" + options.nextId).show();
                            $("a", "#" + options.lastId).show();
                        };
                        if (t == 0) {
                            $("a", "#" + options.prevId).hide();
                            $("a", "#" + options.firstId).hide();
                        } else {
                            $("a", "#" + options.prevId).show();
                            $("a", "#" + options.firstId).show();
                        };
                    };

                    if (clicked) {

                        clearTimeout(timeout);
                        if (!options.numeric) {
                            timeout = setTimeout(function() {
                                animate("next", false);
                            }, options.pause * 1.5);
                        }
                    }
                    if (options.auto && dir == "next" && !clicked) {
                        ;
                        if (!isMouseover) {
                            timeout = setTimeout(function() {
                                animate("next", false);
                            }, diff * options.speed + options.pause);
                        }
                        else {
                            timeout = setTimeout(function() {
                                animate("next", false);
                            }, options.pause);
                        }
                    };

                }
                else {
                    if (options.auto) {
                        timeout = setTimeout(function() {
                            animate("next", false);
                        }, options.pause * 1.5);
                    }
                };

            };
            // init
            var timeout;
            if (options.auto) {
                timeout = setTimeout(function() {
                    animate("next", false);
                }, options.pause);
            };



            if (options.numeric) setCurrent(0);

            if (!options.continuous && options.controlsFade) {
                $("a", "#" + options.prevId).hide();
                $("a", "#" + options.firstId).hide();
            };

        });

    };

})(jQuery);