jQuery UI Tabs Plugin Broke

Posted by Warren J Thompson on Stack Overflow See other posts from Stack Overflow or by Warren J Thompson
Published on 2012-11-17T04:57:38Z Indexed on 2012/11/17 4:59 UTC
Read the original article Hit count: 337

We are using the jquery ui tabs arrow plugin from this fiddle: http://jsfiddle.net/dECtZ/282/, but like many plugins, it breaks with the latest version of jQuery. We were able to get the csscur to work, but still get the following error in the jquery core (line 353):

Uncaught TypeError: Cannot assign to read only property 'length' of function (e,t){if(!this._createWidget)return new o(e,t);arguments.length&&this._createWidget(e,t)}

Code is as follows:

(function($, undefined) {
    if (!$.xui) {
        $.xui = {};
    }
    var tabs = $.extend({}, $.ui.tabs.prototype),
        _super = {
            _create: tabs._create,
            _destroy: tabs._destroy,
            _update: tabs._update
        };
    $.xui.tabs = $.extend(tabs, {
        options: $.extend({}, tabs.options, {
            scrollable: false,
            changeOnScroll: false,
            closable: false,
            resizable: false,
            resizeHandles: "e,s,se"
        }),
        _create: function() {
            var self = this,
                o = self.options;
            _super._create.apply(self);
            if (o.scrollable) {
                self.element.addClass("ui-tabs-scrollable");
                var scrollContainer = $('<div class="ui-tabs-scroll-container"></div>').prependTo(this.element);
                self.header = $('<div class="ui-tabs-nav-scrollable ui-widget-header ui-corner-all"></div>').prependTo(scrollContainer);
                var nav = self.element.find(".ui-tabs-nav:first").removeClass("ui-widget-header ui-corner-all").appendTo(this.header);
                var arrowsNav = $('<ol class="ui-helper-reset ui-helper-clearfix ui-tabs-nav-arrows"></ol>').prependTo(self.element);
                var navPrev = $('<li class="ui-tabs-arrow-previous ui-state-default ui-corner-bl ui-corner-tl" title="Previous"><a href="#"><span class="ui-icon ui-icon-carat-1-w">Previous tab</span></a></li>').prependTo(arrowsNav).hide(),
                    navNext = $('<li class="ui-tabs-arrow-next ui-state-default ui-corner-tr ui-corner-br" title="Next"><a href="#"><span class="ui-icon ui-icon-carat-1-e">Next tab</span></a></li>').appendTo(arrowsNav).hide();


                var scrollTo = function(to, delay) {
                    var navWidth = 0,
                        arrowWidth = navPrev.outerWidth(),
                        marginLeft = -(parseInt(nav.css("marginLeft"), 10)),
                        hwidth = self.header.width(),
                        newMargin = 0;

                    nav.find("li").each(function() {
                        navWidth += $(this).outerWidth(true);
                    });

                    if (to instanceof $.Event) {

                    } else {
                        newMargin = marginLeft+to;
                        if (newMargin > (navWidth-hwidth)) {
                            newMargin = (navWidth-hwidth);
                        } else if (newMargin < 0) {
                            newMargin = 0;
                        }
                        nav.stop(true).animate({
                            marginLeft: -(newMargin)
                        }, delay, function(){
                            $(window).trigger("resize.tabs");
                        });
                    }
                }


                var holdTimer = false;
                navPrev.add(navNext).bind({
                    "click": function(e) {
                        var isNext = this === navNext[0];
                        e.preventDefault();
                        if (o.changeOnScroll) {
                            self.select(self.options.selected + (isNext ? 1 : -1));
                        } else {
                            if (!holdTimer)
                                scrollTo(isNext ? 150 : -150, 250);
                        }
                    },
                    "mousedown": function(e){
                        if (!o.changeOnScroll) {
                            var isNext = this === navNext[0],
                                duration = 10, pos = 15, timer;
                            if (holdTimer)
                                clearTimeout(holdTimer);
                            holdTimer = setTimeout(timer = function(){
                                scrollTo(isNext ? pos : -(pos), duration);
                                holdTimer = setTimeout(arguments.callee, duration);
                            }, 150);
                        }
                    },
                    "mouseup mouseout": function(e){
                        if (!o.changeOnScroll) {
                            clearTimeout(holdTimer);
                            holdTimer = false;
                            nav.stop();
                        }
                    }
                });

                self.header.bind('mousewheel', function(e, d, dX, dY) {
                    e.preventDefault();
                    if (d === -1) {
                        navNext.click();
                    } else if (d === 1) {
                        navPrev.click();
                    }
                });

                $(window).bind("resize.tabs", function(e) {
                    var navWidth = 0;
                    var arrowWidth = navPrev.outerWidth();
                    nav.find("li").each(function() {
                        navWidth += $(this).outerWidth(true);
                    });

                    var marginLeft = -(parseInt(nav.css("marginLeft"), 10)),
                        hwidth = self.header.width();

                    if (navWidth > (hwidth+marginLeft)) {
                        self.header.addClass("ui-tabs-arrow-r");
                        navNext.show("fade");
                        if (marginLeft > 0) {
                            self.header.addClass("ui-tabs-arrow-l");
                            navPrev.show("fade");
                        } else {
                            self.header.removeClass("ui-tabs-arrow-l");
                            navPrev.hide("fade");
                        }
                    } else {
                        self.header.removeClass("ui-tabs-arrows ui-tabs-arrow-l");
                        navNext.hide("fade");
                        if (marginLeft > 0) {
                            self.header.addClass("ui-tabs-arrow-l");
                            navPrev.show("fade");
                        } else {
                            self.header.removeClass("ui-tabs-arrow-l");
                            navPrev.hide("fade");
                        }
                    }
                }).trigger("resize.tabs");

                arrowsNav.find("li").bind({
                    "mouseenter focus": function(e) {
                        $(this).addClass("ui-state-hover");
                    },
                    "mouseleave blur": function(e) {
                        $(this).removeClass("ui-state-hover");
                    }
                });

                this.anchors.bind("click.tabs", function(){
                    var li = $(this).parent(),
                        arrowWidth = navPrev.outerWidth(),
                        width = li.outerWidth(true),
                        hwidth = self.header.width(),
                        pos = li.position().left,
                        marginLeft = -(parseInt(nav.stop(true,true).css("marginLeft"),10)),
                        newMargin = -1;

                    if (li.index() === 0) {
                        newMargin = 0;
                    } else if ((pos+width) >= (hwidth+marginLeft)) {
                        newMargin = pos-hwidth+width;
                        if ((li.index()+1) < nav.find("li").length) {
                            newMargin += arrowWidth;
                        }
                    } else if (pos < marginLeft) {
                        newMargin = pos-arrowWidth;
                    }

                    if (newMargin > -1) {
                        nav.animate({
                            marginLeft: -(newMargin)
                        }, 250, function(){
                            $(window).trigger("resize.tabs");
                        });
                    }
                });
            }
            return self;
        },
        _update: function(){
            console.log(arguments);
            _super._update.apply(this);
        }
    });
    $.widget("xui.tabs", $.xui.tabs);
})(jQuery);
$(function() {
    $("#tabs").tabs({
        scrollable: true,
        changeOnScroll: false,
        closable: true
    });
    $("#switcher").themeswitcher();
});

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