mysql-live-client/compiled/lib/ObservableCollection.js

The client side script of mysql-live package.

var __extends = (this && this.__extends) || function (d, b) {
    for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
    function __() { this.constructor = d; }
    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
var BaseCollection_1 = require("./BaseCollection");
var Helper_1 = require("./Helper");
var ObservableCollection = (function (_super) {
    __extends(ObservableCollection, _super);
    function ObservableCollection(name) {
        _super.call(this, name);
        this.listeners = [];
        this.simultaneouslyListeners = [];
        this.hasReceived = false;
        this.registerOnceCbIds = [];
        this.tasks = [];
    }
    ObservableCollection.getRandomEventId = function () {
        return ObservableCollection.EVENT_ID_START + Math.random();
    };
    ObservableCollection.prototype.addTask = function (task) {
        this.tasks.push(task);
    };
    Object.defineProperty(ObservableCollection.prototype, "hasTasks", {
        get: function () {
            return this.tasks.length > 0;
        },
        enumerable: true,
        configurable: true
    });
    ObservableCollection.prototype.onChange = function (cb, cbId) {
        if (cbId !== undefined) {
            if (this.registerOnceCbIds.indexOf(cbId) >= 0) {
                return;
            }
            else {
                this.registerOnceCbIds.push(cbId);
            }
        }
        if (Helper_1.default.hasNextFnInside(cb)) {
            this.listeners.push(cb);
        }
        else {
            this.simultaneouslyListeners.push(cb);
        }
    };
    ObservableCollection.prototype.on = function (eventName, cb, cbId) {
        this.onChange(function (evt, next, loop) {
            if (evt.name === eventName || eventName === ObservableCollection.ON_CHANGE) {
                cb(evt, next, loop);
            }
            else {
                next();
            }
        });
    };
    ObservableCollection.prototype.removeOnChange = function () {
        this.listeners = [];
    };
    ObservableCollection.prototype.fireChange = function (event) {
        var _this = this;
        if (!this.hasTasks || (event.name !== ObservableCollection.ON_INSERT && event.name !== ObservableCollection.ON_RECEIVE)) {
            this.fireChangeNow(event);
        }
        else {
            this.runTasks(event, function () {
                _this.fireChangeNow(event);
            });
        }
    };
    ObservableCollection.prototype.runTasks = function (event, finish, index) {
        var _this = this;
        if (index === void 0) { index = 0; }
        var caller = { collectionName: this.name, event: event };
        var _next = function () {
            var nextTask = _this.tasks.length <= (index + 1) ? false : true;
            if (nextTask) {
                index = index + 1;
                _this.runTasks(event, finish, index);
            }
            else {
                index = 0;
                if (finish)
                    finish();
            }
        };
        this.tasks[index].run(caller, _next);
    };
    ObservableCollection.prototype.fireChangeNow = function (evt, listenerIndex) {
        var _this = this;
        if (listenerIndex === void 0) { listenerIndex = 0; }
        if (this.listeners.length > 0) {
            var index = listenerIndex;
            var _next = function () {
                index++;
                var nextListener = _this.listeners.length <= (index) ? undefined : _this.listeners[index];
                if (nextListener) {
                    nextListener(evt, _next, _this.loop);
                }
                else {
                    index = listenerIndex;
                }
            };
            this.listeners[listenerIndex].call(this, evt, _next, this.loop);
        }
        this.simultaneouslyListeners.forEach(function (cb) { cb(evt, _this.loop); });
    };
    ObservableCollection.prototype.destroy = function () {
        this.items = [];
        this.listeners = [];
    };
    ObservableCollection.ON_RECEIVE = 'receive';
    ObservableCollection.ON_INSERT = 'insert';
    ObservableCollection.ON_UPDATE = 'update';
    ObservableCollection.ON_REMOVE = 'remove';
    ObservableCollection.ON_CHANGE = 'change';
    ObservableCollection.EVENT_ID_START = "ONCHANGE_";
    return ObservableCollection;
})(BaseCollection_1.default);
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = ObservableCollection;