devextreme/ui/menu/ui.submenu.js

HTML5 JavaScript Component Suite for Responsive Web Development

/**
 * DevExtreme (ui/menu/ui.submenu.js)
 * Version: 20.1.7
 * Build date: Tue Aug 25 2020
 *
 * Copyright (c) 2012 - 2020 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */
"use strict";
var _renderer = require("../../core/renderer");
var _renderer2 = _interopRequireDefault(_renderer);
var _common = require("../../core/utils/common");
var _dom = require("../../core/utils/dom");
var _position = require("../../animation/position");
var _extend = require("../../core/utils/extend");
var _context_menu = require("../context_menu");
var _context_menu2 = _interopRequireDefault(_context_menu);

function _interopRequireDefault(obj) {
    return obj && obj.__esModule ? obj : {
        "default": obj
    }
}

function _typeof(obj) {
    "@babel/helpers - typeof";
    if ("function" === typeof Symbol && "symbol" === typeof Symbol.iterator) {
        _typeof = function(obj) {
            return typeof obj
        }
    } else {
        _typeof = function(obj) {
            return obj && "function" === typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj
        }
    }
    return _typeof(obj)
}

function _classCallCheck(instance, Constructor) {
    if (!(instance instanceof Constructor)) {
        throw new TypeError("Cannot call a class as a function")
    }
}

function _defineProperties(target, props) {
    for (var i = 0; i < props.length; i++) {
        var descriptor = props[i];
        descriptor.enumerable = descriptor.enumerable || false;
        descriptor.configurable = true;
        if ("value" in descriptor) {
            descriptor.writable = true
        }
        Object.defineProperty(target, descriptor.key, descriptor)
    }
}

function _createClass(Constructor, protoProps, staticProps) {
    if (protoProps) {
        _defineProperties(Constructor.prototype, protoProps)
    }
    if (staticProps) {
        _defineProperties(Constructor, staticProps)
    }
    return Constructor
}

function _get(target, property, receiver) {
    if ("undefined" !== typeof Reflect && Reflect.get) {
        _get = Reflect.get
    } else {
        _get = function(target, property, receiver) {
            var base = _superPropBase(target, property);
            if (!base) {
                return
            }
            var desc = Object.getOwnPropertyDescriptor(base, property);
            if (desc.get) {
                return desc.get.call(receiver)
            }
            return desc.value
        }
    }
    return _get(target, property, receiver || target)
}

function _superPropBase(object, property) {
    while (!Object.prototype.hasOwnProperty.call(object, property)) {
        object = _getPrototypeOf(object);
        if (null === object) {
            break
        }
    }
    return object
}

function _inherits(subClass, superClass) {
    if ("function" !== typeof superClass && null !== superClass) {
        throw new TypeError("Super expression must either be null or a function")
    }
    subClass.prototype = Object.create(superClass && superClass.prototype, {
        constructor: {
            value: subClass,
            writable: true,
            configurable: true
        }
    });
    if (superClass) {
        _setPrototypeOf(subClass, superClass)
    }
}

function _setPrototypeOf(o, p) {
    _setPrototypeOf = Object.setPrototypeOf || function(o, p) {
        o.__proto__ = p;
        return o
    };
    return _setPrototypeOf(o, p)
}

function _createSuper(Derived) {
    var hasNativeReflectConstruct = _isNativeReflectConstruct();
    return function() {
        var result, Super = _getPrototypeOf(Derived);
        if (hasNativeReflectConstruct) {
            var NewTarget = _getPrototypeOf(this).constructor;
            result = Reflect.construct(Super, arguments, NewTarget)
        } else {
            result = Super.apply(this, arguments)
        }
        return _possibleConstructorReturn(this, result)
    }
}

function _possibleConstructorReturn(self, call) {
    if (call && ("object" === _typeof(call) || "function" === typeof call)) {
        return call
    }
    return _assertThisInitialized(self)
}

function _assertThisInitialized(self) {
    if (void 0 === self) {
        throw new ReferenceError("this hasn't been initialised - super() hasn't been called")
    }
    return self
}

function _isNativeReflectConstruct() {
    if ("undefined" === typeof Reflect || !Reflect.construct) {
        return false
    }
    if (Reflect.construct.sham) {
        return false
    }
    if ("function" === typeof Proxy) {
        return true
    }
    try {
        Date.prototype.toString.call(Reflect.construct(Date, [], function() {}));
        return true
    } catch (e) {
        return false
    }
}

function _getPrototypeOf(o) {
    _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function(o) {
        return o.__proto__ || Object.getPrototypeOf(o)
    };
    return _getPrototypeOf(o)
}
var DX_CONTEXT_MENU_CONTENT_DELIMITER_CLASS = "dx-context-menu-content-delimiter";
var DX_SUBMENU_CLASS = "dx-submenu";
var Submenu = function(_ContextMenu) {
    _inherits(Submenu, _ContextMenu);
    var _super = _createSuper(Submenu);

    function Submenu() {
        _classCallCheck(this, Submenu);
        return _super.apply(this, arguments)
    }
    _createClass(Submenu, [{
        key: "_getDefaultOptions",
        value: function() {
            return (0, _extend.extend)(_get(_getPrototypeOf(Submenu.prototype), "_getDefaultOptions", this).call(this), {
                orientation: "horizontal",
                tabIndex: null,
                onHoverStart: _common.noop
            })
        }
    }, {
        key: "_initDataAdapter",
        value: function() {
            this._dataAdapter = this.option("_dataAdapter");
            if (!this._dataAdapter) {
                _get(_getPrototypeOf(Submenu.prototype), "_initDataAdapter", this).call(this)
            }
        }
    }, {
        key: "_renderContentImpl",
        value: function() {
            this._renderContextMenuOverlay();
            _get(_getPrototypeOf(Submenu.prototype), "_renderContentImpl", this).call(this);
            var node = this._dataAdapter.getNodeByKey(this.option("_parentKey"));
            node && this._renderItems(this._getChildNodes(node));
            this._renderDelimiter()
        }
    }, {
        key: "_renderDelimiter",
        value: function() {
            this.$contentDelimiter = (0, _renderer2.default)("<div>").appendTo(this._itemContainer()).addClass(DX_CONTEXT_MENU_CONTENT_DELIMITER_CLASS)
        }
    }, {
        key: "_getOverlayOptions",
        value: function() {
            return (0, _extend.extend)(_get(_getPrototypeOf(Submenu.prototype), "_getOverlayOptions", this).call(this), {
                onPositioned: this._overlayPositionedActionHandler.bind(this)
            })
        }
    }, {
        key: "_overlayPositionedActionHandler",
        value: function(arg) {
            this._showDelimiter(arg)
        }
    }, {
        key: "_hoverEndHandler",
        value: function(e) {
            _get(_getPrototypeOf(Submenu.prototype), "_hoverEndHandler", this).call(this, e);
            this._toggleFocusClass(false, e.currentTarget)
        }
    }, {
        key: "_isMenuHorizontal",
        value: function() {
            return "horizontal" === this.option("orientation")
        }
    }, {
        key: "_hoverStartHandler",
        value: function(e) {
            var hoverStartAction = this.option("onHoverStart");
            hoverStartAction(e);
            _get(_getPrototypeOf(Submenu.prototype), "_hoverStartHandler", this).call(this, e);
            this._toggleFocusClass(true, e.currentTarget)
        }
    }, {
        key: "_drawSubmenu",
        value: function($rootItem) {
            this._actions.onShowing({
                rootItem: (0, _dom.getPublicElement)($rootItem),
                submenu: this
            });
            _get(_getPrototypeOf(Submenu.prototype), "_drawSubmenu", this).call(this, $rootItem);
            this._actions.onShown({
                rootItem: (0, _dom.getPublicElement)($rootItem),
                submenu: this
            })
        }
    }, {
        key: "_hideSubmenu",
        value: function($rootItem) {
            this._actions.onHiding({
                cancel: true,
                rootItem: (0, _dom.getPublicElement)($rootItem),
                submenu: this
            });
            _get(_getPrototypeOf(Submenu.prototype), "_hideSubmenu", this).call(this, $rootItem);
            this._actions.onHidden({
                rootItem: (0, _dom.getPublicElement)($rootItem),
                submenu: this
            })
        }
    }, {
        key: "_showDelimiter",
        value: function(arg) {
            if (!this.$contentDelimiter) {
                return
            }
            var $submenu = this._itemContainer().children(".".concat(DX_SUBMENU_CLASS)).eq(0);
            var $rootItem = this.option("position").of;
            var position = {
                of: $submenu
            };
            var containerOffset = arg.position;
            var vLocation = containerOffset.v.location;
            var hLocation = containerOffset.h.location;
            var rootOffset = $rootItem.offset();
            var offsetLeft = Math.round(rootOffset.left);
            var offsetTop = Math.round(rootOffset.top);
            var rootWidth = $rootItem.width();
            var rootHeight = $rootItem.height();
            var submenuWidth = $submenu.width();
            var submenuHeight = $submenu.height();
            this.$contentDelimiter.css("display", "block");
            this.$contentDelimiter.width(this._isMenuHorizontal() ? rootWidth < submenuWidth ? rootWidth - 2 : submenuWidth : 2);
            this.$contentDelimiter.height(this._isMenuHorizontal() ? 2 : rootHeight < submenuHeight ? rootHeight - 2 : submenuHeight);
            if (this._isMenuHorizontal()) {
                if (vLocation > offsetTop) {
                    if (Math.round(hLocation) === offsetLeft) {
                        position.offset = "1 -1";
                        position.at = position.my = "left top"
                    } else {
                        position.offset = "-1 -1";
                        position.at = position.my = "right top"
                    }
                } else {
                    this.$contentDelimiter.height(5);
                    if (Math.round(hLocation) === offsetLeft) {
                        position.offset = "1 4";
                        position.at = position.my = "left bottom"
                    } else {
                        position.offset = "-1 2";
                        position.at = position.my = "right bottom"
                    }
                }
            } else {
                if (hLocation > offsetLeft) {
                    if (Math.round(vLocation) === offsetTop) {
                        position.offset = "-1 1";
                        position.at = position.my = "left top"
                    } else {
                        position.offset = "-1 -1";
                        position.at = position.my = "left bottom"
                    }
                } else {
                    if (Math.round(vLocation) === offsetTop) {
                        position.offset = "1 1";
                        position.at = position.my = "right top"
                    } else {
                        position.offset = "1 -1";
                        position.at = position.my = "right bottom"
                    }
                }
            }(0, _position.setup)(this.$contentDelimiter, position)
        }
    }, {
        key: "_getContextMenuPosition",
        value: function() {
            return this.option("position")
        }
    }, {
        key: "isOverlayVisible",
        value: function() {
            return this._overlay.option("visible")
        }
    }, {
        key: "getOverlayContent",
        value: function() {
            return this._overlay.$content()
        }
    }]);
    return Submenu
}(_context_menu2.default);
module.exports = Submenu;