/// prointernet Grid Akkordeon
/// Version: 1.8.8094.29021

/*
    Events: init

    Using: $(document).on("eventName", ".akkordeon", function(e, instance) {

        instance.config.slideUpEasing = "akkordeonOut";
        instance.config.slideUpSpeed = 200;
        ...

    });


*/

function gridAkkordeon() {

    this.config = $.extend({
        slideUpEasing: "akkordeonOut",
        slideUpSpeed: 200,
        slideDownEasing: "akkordeonIn",
        slideDownSpeed: 200,

    }, document.gridAkkordeonConfig);

    this.list = $();
}

gridAkkordeon.prototype.init = function () {
    var base = this;

    base.list.addClass("akkordeon");
    base.list.data("akkordeon", this);

    base.list.trigger("init", this);

    // Click handler
    if (!base.list.hasClass("child")) {
        base.list.find(".title a").unbind("click").click(function (e) {
            var lnk = $(this);
            lnk.data("ajaxNav", false);

            e.preventDefault();

            var parentWithId = lnk.parentsUntil("[data-id]").parent();
            var itemId = parentWithId.attr("data-id");

            var url = lnk.attr("href");

            if (lnk.hasClass("static") || lnk.attr("target") == "_blank") {
                return true;
            }

            AjaxNav.pushState({ item: itemId }, { akkordeon: true });

            return false;
        });
    }

    // Event Binding
    base.bindToState();

    AjaxNav.live();
}

gridAkkordeon.prototype.hideOthers = function (callback) {
    var base = this;

    var openItem = base.list.find(".item.open");
    if (openItem.length > 0) {

        base.hideItem(openItem, function () {
            if (callback) callback();
        })

    } else {
        if (callback) callback();
    }
}

gridAkkordeon.prototype.showItem = function (item, callback) {
    var base = this;
    var container = item.find(".dyncnt");

    base.hideOthers(function () {
        item.addClass("open");
        item.scrollToWhenNotVisible(function () {

            container.slideDown(base.config.slideDownSpeed, base.config.slideDownEasing, function () {
                if (callback) callback();
            });

        });

    });

}

gridAkkordeon.prototype.hideItem = function (item, callback) {
    var base = this;
    var container = item.find(".dyncnt");

    container.slideUp(base.config.slideUpSpeed, base.config.slideUpEasing, function () {
        item.removeClass("open");
        if (callback) callback();
    });

}

gridAkkordeon.prototype.loadItemContent = function (item, e, callback) {
    var base = this;

    var itemLink = item.find("a").first();
    var itemUrl = itemLink.attr("href");
    var itemDetailsContainer = item.find(".dyncnt");

    e.getContent({
        url: itemUrl,
        params: {
            akkordeon: true
        },
        callback: function (r) {
            var resultContainer = $(r.html);

            var details = resultContainer.find(".listDetails");
            if (details.length > 0) {
                // List Details
                itemDetailsContainer.html(details.html());
            } else {
                // Page Details
                var mods = resultContainer.find(".mods");
                if (mods.length > 0) {
                    itemDetailsContainer.html(mods.html());
                }
            }
            var titleAttrCnt = resultContainer.find("[data-title]").andSelf();

            var title = "";
            if (titleAttrCnt.length > 0) {
                title = titleAttrCnt.attr("data-title");
            }
            item.data("title", title);
            item.addClass("loaded");

            base.showItem(item);
        }
    });
}

gridAkkordeon.prototype.tryOpenItem = function (e) {
    if (!e.state.item) {
        return;
    }

    var itemId = e.state.item;
    var item = $("[data-id='" + itemId + "']").first();
    var list = item.parentsUntil(".list").parent();
    var base = list.data("akkordeon");

    if (item.length == 0) {
        return;
    }

    // Prevent default only when item in current DOM found
    e.preventDefault = true;

    var itemOpen = item.hasClass("open");

    if (!itemOpen) {

        // Item noch nicht geöffnet, Content laden
        if (!item.hasClass("loaded")) {

            base.loadItemContent(item, e, function () {
                base.showItem(item);
            });

        } else {

            // Bereits geladen, öffnen
            base.showItem(item);
            if (item.data("title")) {
                document.title = item.data("title");
            }
        }

    } else {
        // Geöffnet, schließen
        base.hideItem(item);
    }
}

gridAkkordeon.prototype.bindToState = function () {
    var me = this;

    AjaxNav.bind("akkordeon_before", "beforestatechange", function (e) {
        me.tryOpenItem(e)
    });
    AjaxNav.bind("akkordeon_after", "afterstatechange", function (e) {
        me.tryOpenItem(e)
    });
}

// jQuery Easing Animations
$.extend($.easing,
    {
        akkordeonIn: function (x, t, b, c, d) {
            return c * (t /= d) * t + b;
        },
        akkordeonOut: function (x, t, b, c, d) {
            return -c * (t /= d) * (t - 2) + b;
        }
    });

// jQuery Plugin
$.fn.gridAkkordeon = function (config) {
    // Akkordeon im IE8 nicht nutzen
    var browser = $.browser;
    if (browser.msie) {
        var version = browser.version;
        if (version <= 8) {
            console.log(browser.version)
            return;
        }
    }

    if ($(this).data("akkordeon") == null) {
        var akkordeon = new gridAkkordeon();
        akkordeon.list = $(this);
        akkordeon.config = $.extend(akkordeon.config, config);

        $(document).ready(function () {
            akkordeon.init();
        });

        $(this).data("akkordeon", akkordeon);
    }
    return $(this);
}