tsioc/lib/components/Composite.js

tsioc is AOP, Ioc container, via typescript decorator

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var types_1 = require("../types");
var NullComponent_1 = require("./NullComponent");
var index_1 = require("../utils/index");
/**
 * compoiste.
 *
 * @export
 * @class Composite
 * @implements {IComponent}
 */
var Composite = /** @class */ (function () {
    function Composite(name) {
        this.name = name;
        this.children = [];
    }
    Composite.prototype.add = function (node) {
        node.parent = this;
        this.children.push(node);
        return this;
    };
    Composite.prototype.remove = function (node) {
        var component;
        if (index_1.isString(node)) {
            component = this.find(function (cmp) { return index_1.isString(node) ? cmp.name === node : cmp.equals(node); });
        }
        else if (node) {
            component = node;
        }
        else {
            component = this;
        }
        if (!component.parent) {
            return this;
        }
        else if (this.equals(component.parent)) {
            this.children.splice(this.children.indexOf(component), 1);
            component.parent = null;
            return this;
        }
        else {
            component.parent.remove(component);
            return this;
        }
    };
    Composite.prototype.find = function (express, mode) {
        var component;
        this.each(function (item) {
            if (component) {
                return false;
            }
            var isFinded = index_1.isFunction(express) ? express(item) : express === item;
            if (isFinded) {
                component = item;
                return false;
            }
            return true;
        }, mode);
        return (component || this.empty());
    };
    Composite.prototype.filter = function (express, mode) {
        var nodes = [];
        this.each(function (item) {
            if (express(item)) {
                nodes.push(item);
            }
        }, mode);
        return nodes;
    };
    Composite.prototype.each = function (express, mode) {
        mode = mode || types_1.Mode.traverse;
        var r;
        switch (mode) {
            case types_1.Mode.route:
                r = this.routeUp(express);
                break;
            case types_1.Mode.children:
                r = this.eachChildren(express);
                break;
            case types_1.Mode.traverse:
                r = this.trans(express);
                break;
            case types_1.Mode.traverseLast:
                r = this.transAfter(express);
                break;
            default:
                r = this.trans(express);
                break;
        }
        return r;
    };
    Composite.prototype.eachChildren = function (express) {
        (this.children || []).forEach(function (item) {
            return express(item);
        });
    };
    /**
     *do express work in routing.
     *
     *@param {Express<T, void | boolean>} express
     *
     *@memberOf IComponent
     */
    Composite.prototype.routeUp = function (express) {
        if (express(this) === false) {
            return false;
        }
        ;
        if (this.parent && this.parent.routeUp) {
            return this.parent.routeUp(express);
        }
    };
    /**
     *translate all sub context to do express work.
     *
     *@param {Express<IComponent, void | boolean>} express
     *
     *@memberOf IComponent
     */
    Composite.prototype.trans = function (express) {
        if (express(this) === false) {
            return false;
        }
        var children = this.children || [];
        for (var i = 0; i < children.length; i++) {
            var result = children[i].trans(express);
            if (result === false) {
                return result;
            }
        }
        return true;
    };
    Composite.prototype.transAfter = function (express) {
        var children = this.children || [];
        for (var i = 0; i < children.length; i++) {
            var result = children[i].transAfter(express);
            if (result === false) {
                return false;
            }
        }
        if (express(this) === false) {
            return false;
        }
        return true;
    };
    Composite.prototype.equals = function (node) {
        return this === node;
    };
    Composite.prototype.empty = function () {
        return NullComponent_1.NullNode;
    };
    Composite.prototype.isEmpty = function () {
        return this.equals(this.empty());
    };
    return Composite;
}());
exports.Composite = Composite;

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