Sys.WebForms.Menu = function()

in Hands-on lab/lab-files/BigDataTravel/BigDataTravel/Scripts/WebForms/MenuStandards.js [4:86]
83 lines of code
22 McCabe index (conditional complexity)

Sys.WebForms.Menu = function(options) {
    this.items = [];
    this.depth = options.depth || 1;
    this.parentMenuItem = options.parentMenuItem;
    this.element = Sys.WebForms.Menu._domHelper.getElement(options.element);
    if (this.element.tagName === 'DIV') {
        var containerElement = this.element;
        this.element = Sys.WebForms.Menu._domHelper.firstChild(containerElement);
        this.element.tabIndex = options.tabIndex || 0;
        options.element = containerElement;
        options.menu = this;
        this.container = new Sys.WebForms._MenuContainer(options);
        Sys.WebForms.Menu._domHelper.setFloat(this.element, this.container.rightToLeft ? "right" : "left");
    }
    else {
        this.container = options.container;
        this.keyMap = options.keyMap;
    }
    Sys.WebForms.Menu._elementObjectMapper.map(this.element, this);
    if (this.parentMenuItem && this.parentMenuItem.parentMenu) {
        this.parentMenu = this.parentMenuItem.parentMenu;
        this.rootMenu = this.parentMenu.rootMenu;
        if (!this.element.id) {
            this.element.id = (this.container.element.id || 'menu') + ':submenu:' + Sys.WebForms.Menu._elementObjectMapper._computedId;
        }
        if (this.depth > this.container.staticDisplayLevels) {
            this.displayMode = "dynamic";
            this.element.style.display = "none";
            this.element.style.position = "absolute";
            if (this.rootMenu && this.container.orientation === 'horizontal' && this.parentMenu.isStatic()) {
                this.element.style.top = "100%";
                if (this.container.rightToLeft) {
                    this.element.style.right = "0px";
                }
                else {
                    this.element.style.left = "0px";
                }
            }
            else {
                this.element.style.top = "0px";
                if (this.container.rightToLeft) {
                    this.element.style.right = "100%";
                }
                else {
                    this.element.style.left = "100%";
                }
            }
            if (this.container.rightToLeft) {
                this.keyMap = Sys.WebForms.Menu._keyboardMapping.verticalRtl;
            }
            else {
                this.keyMap = Sys.WebForms.Menu._keyboardMapping.vertical;
            }
        }
        else {
            this.displayMode = "static";
            this.element.style.display = "block";
            if (this.container.orientation === 'horizontal') {
                Sys.WebForms.Menu._domHelper.setFloat(this.element, this.container.rightToLeft ? "right" : "left");
            }
        }
    }
    Sys.WebForms.Menu._domHelper.appendCssClass(this.element, this.displayMode);
    var children = this.element.childNodes;
    var count = children.length;
    for (var i = 0; i < count; i++) {
        var node = children[i];
        if (node.nodeType !== 1) {   
            continue;
        }
        var topLevelMenuItem = null;
        if (this.parentMenuItem) {
            topLevelMenuItem = this.parentMenuItem.topLevelMenuItem;
        }
        var menuItem = new Sys.WebForms.MenuItem(this, node, topLevelMenuItem);
        var previousMenuItem = this.items[this.items.length - 1];
        if (previousMenuItem) {
            menuItem.previousSibling = previousMenuItem;
            previousMenuItem.nextSibling = menuItem;
        }
        this.items[this.items.length] = menuItem;
    }
};