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Юрий Губич
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382
libjs/wController/controller.js
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382
libjs/wController/controller.js
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"use strict";
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var counter = 0;
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var Subscribable = require("../utils/subscribable");
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var Handler = require("../wDispatcher/handler");
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var Address = require("../wType/address");
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var String = require("../wType/string");
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var Vocabulary = require("../wType/vocabulary");
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var Event = require("../wType/event");
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var counter = 0;
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var Controller = Subscribable.inherit({
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"className": "Controller",
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"constructor": function(addr) {
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Subscribable.fn.constructor.call(this);
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this.id = ++counter;
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this.initialized = false;
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this._subscribed = false;
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this._registered = false;
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this._pairAddress = addr;
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this._address = new Address([this.className.toString() + counter++]);
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this._handlers = [];
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this._controllers = [];
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this.properties = [];
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this._foreignControllers = [];
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this.addHandler("properties");
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},
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"destructor": function() {
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var i;
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if (this._subscribed) {
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this.unsubscribe();
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}
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if (this._registered) {
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this.unregister();
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}
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for (i = 0; i < this._foreignControllers.length; ++i) {
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this._foreignControllers[i].c.destructor();
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}
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for (i = 0; i < this._controllers.length; ++i) {
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this._controllers[i].destructor();
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}
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for (i = 0; i < this._handlers.length; ++i) {
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this._handlers[i].destructor();
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}
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this._pairAddress.destructor();
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this._address.destructor();
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Subscribable.fn.destructor.call(this);
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},
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"addController": function(controller, before) {
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if (!(controller instanceof Controller)) {
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throw new Error("An attempt to add not a controller into " + this.className);
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}
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controller.on("serviceMessage", this._onControllerServiceMessage, this);
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var index = this._controllers.length;
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if (before === undefined) {
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this._controllers.push(controller);
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} else {
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index = before;
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this._controllers.splice(before, 0, controller);
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}
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if (this._registered) {
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controller.register(this._dp, this._socket);
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}
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if (this._subscribed && !controller._subscribed) {
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this._subscribeChildController(index);
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}
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this.trigger("newController", controller, index);
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},
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"addForeignController": function(nodeName, ctrl) {
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if (!(ctrl instanceof Controller)) {
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throw new Error("An attempt to add not a controller into " + this.className);
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}
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this._foreignControllers.push({n: nodeName, c: ctrl});
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ctrl.on("serviceMessage", this._onControllerServiceMessage, this);
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if (this._registered) {
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global.registerForeignController(nodeName, ctrl);
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}
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if (this._subscribed) {
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global.subscribeForeignController(nodeName, ctrl);
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}
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},
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"addHandler": function(name) {
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if (!(this["_h_" + name] instanceof Function)) {
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throw new Error("An attempt to create handler without a handling method");
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}
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var handler = new Handler(this._address["+"](new Address([name])), this, this["_h_" + name]);
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this._handlers.push(handler);
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if (this._registered) {
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this._dp.registerHandler(handler);
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}
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},
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"clearChildren": function() {
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while (this._controllers.length) {
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var controller = this._controllers[this._controllers.length - 1]
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this._removeController(controller);
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controller.destructor();
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}
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},
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"_createSubscriptionVC": function() {
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return new Vocabulary();
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},
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"getPairAddress": function() {
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return this._pairAddress.clone();
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},
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"_h_properties": function(ev) {
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this.trigger("clearProperties");
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this.properties = [];
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var data = ev.getData();
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var list = data.at("properties");
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var size = list.length();
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for (var i = 0; i < size; ++i) {
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var vc = list.at(i);
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var pair = {p: vc.at("property").toString(), k: vc.at("key").toString()};
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this.properties.push(pair);
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this.trigger("addProperty", pair.k, pair.p);
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}
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},
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"_onControllerServiceMessage": function(msg, severity) {
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this.trigger("serviceMessage", msg, severity);
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},
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"_onSocketDisconnected": function() {
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this._subscribed = false;
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},
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"register": function(dp, socket) {
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var i;
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if (this._registered) {
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throw new Error("Controller " + this._address.toString() + " is already registered");
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}
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this._dp = dp;
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this._socket = socket;
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socket.on("disconnected", this._onSocketDisconnected, this);
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for (i = 0; i < this._controllers.length; ++i) {
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this._controllers[i].register(this._dp, this._socket);
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}
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for (i = 0; i < this._handlers.length; ++i) {
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dp.registerHandler(this._handlers[i]);
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}
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for (i = 0; i < this._foreignControllers.length; ++i) {
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var pair = this._foreignControllers[i]
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global.registerForeignController(pair.n, pair.c);
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}
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this._registered = true;
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},
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"removeController": function(ctrl) {
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if (!(ctrl instanceof Controller)) {
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throw new Error("An attempt to remove not a controller from " + this.className);
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}
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var index = this._controllers.indexOf(ctrl);
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if (index !== -1) {
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this._removeControllerByIndex(index);
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} else {
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throw new Error("An attempt to remove not not existing controller from " + this.className);
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}
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},
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"removeForeignController": function(ctrl) {
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if (!(ctrl instanceof Controller)) {
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throw new Error("An attempt to remove not a controller from " + this.className);
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}
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for (var i = 0; i < this._foreignControllers.length; ++i) {
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if (this._foreignControllers[i].c === ctrl) {
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break;
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}
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}
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if (i === this._foreignControllers.length) {
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throw new Error("An attempt to remove not not existing controller from " + this.className);
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} else {
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var pair = this._foreignControllers[i];
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if (this._subscribed) {
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global.unsubscribeForeignController(pair.n, pair.c);
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}
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if (this._registered) {
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global.registerForeignController(pair.n, pair.c);
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}
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pair.c.off("serviceMessage", this._onControllerServiceMessage, this);
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this._foreignControllers.splice(i, 1);
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}
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},
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"_removeControllerByIndex": function(index) {
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var ctrl = this._controllers[index];
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if (this._subscribed) {
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this._unsubscribeChildController(index);
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}
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if (this._dp) {
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ctrl.unregister();
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}
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this._controllers.splice(index, 1);
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this.trigger("removedController", ctrl, index);
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},
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"send": function(vc, handler) {
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if (!this._registered) {
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throw new Error("An attempt to send event from model " + this._address.toString() + " which is not registered");
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}
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var addr = this._pairAddress["+"](new Address([handler]));
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var id = this._socket.getId().clone();
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vc.insert("source", this._address.clone());
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var ev = new Event(addr, vc);
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ev.setSenderId(id);
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this._socket.send(ev);
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ev.destructor();
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},
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"subscribe": function() {
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if (this._subscribed) {
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throw new Error("An attempt to subscribe model " + this._address.toString() + " which is already subscribed");
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}
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this._subscribed = true;
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var vc = this._createSubscriptionVC();
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this.send(vc, "subscribe");
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for (var i = 0; i < this._controllers.length; ++i) {
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this._subscribeChildController(i)
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}
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for (var i = 0; i < this._foreignControllers.length; ++i) {
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var pair = this._foreignControllers[i]
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global.subscribeForeignController(pair.n, pair.c);
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}
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},
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"_subscribeChildController": function(index) {
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var ctrl = this._controllers[index];
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ctrl.subscribe();
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},
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"unregister": function() {
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if (!this._registered) {
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throw new Error("Controller " + this._address.toString() + " is not registered");
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}
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var i;
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for (i = 0; i < this._foreignControllers.length; ++i) {
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var pair = this._foreignControllers[i]
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global.unregisterForeignController(pair.n, pair.c);
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}
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for (i = 0; i < this._controllers.length; ++i) {
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this._controllers[i].unregister();
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}
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for (i = 0; i < this._handlers.length; ++i) {
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this._dp.unregisterHandler(this._handlers[i]);
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}
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this._socket.off("disconnected", this._onSocketDisconnected, this);
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delete this._dp;
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delete this._socket;
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this._registered = false;
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},
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"unsubscribe": function() {
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if (!this._subscribed) {
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throw new Error("An attempt to unsubscribe model " + this._address.toString() + " which is not subscribed");
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}
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this._subscribed = false;
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if (this._socket.isOpened()) {
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var vc = new Vocabulary();
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this.send(vc, "unsubscribe");
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}
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for (var i = 0; i < this._foreignControllers.length; ++i) {
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var pair = this._foreignControllers[i]
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global.unsubscribeForeignController(pair.n, pair.c);
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}
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for (var i = 0; i < this._controllers.length; ++i) {
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this._unsubscribeChildController(i);
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}
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},
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"_unsubscribeChildController": function(index) {
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var ctrl = this._controllers[index];
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ctrl.unsubscribe();
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}
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});
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Controller.createByType = function(type, address) {
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var typeName = this.ReversedModelType[type];
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if (typeName === undefined) {
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throw new Error("Unknown ModelType: " + type);
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}
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var Type = this.constructors[typeName];
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if (Type === undefined) {
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throw new Error("Constructor is not loaded yet, something is wrong");
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}
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return new Type(address);
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}
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Controller.initialize = function(rc, cb) {
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var deps = [];
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var types = [];
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for (var key in this.ModelTypesPaths) {
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if (this.ModelTypesPaths.hasOwnProperty(key)) {
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if (!rc || rc.indexOf(key) !== -1) {
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deps.push(this.ModelTypesPaths[key]);
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types.push(key);
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}
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}
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}
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require(deps, function() {
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for (var i = 0; i < types.length; ++i) {
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Controller.constructors[types[i]] = arguments[i];
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}
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cb();
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});
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}
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Controller.ModelType = {
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String: 0,
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List: 1,
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Vocabulary: 2,
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Image: 3,
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Controller: 4,
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Attributes: 50,
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GlobalControls: 100,
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Link: 101,
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Page: 102,
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PageStorage: 103,
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PanesList: 104,
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Theme: 105,
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ThemeStorage: 106
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};
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Controller.ReversedModelType = {
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"0": "String",
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"1": "List",
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"2": "Vocabulary",
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"3": "Image",
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"4": "Controller",
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"50": "Attributes",
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"100": "GlobalControls",
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"101": "Link",
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"102": "Page",
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"103": "PageStorage",
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"104": "PanesList",
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"105": "Theme",
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"106": "ThemeStorage"
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};
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Controller.ModelTypesPaths = {
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String: "./string", //resolve as dependency
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List: "./list", //resolve as dependency
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Vocabulary: "./vocabulary", //resolve as dependency
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Attributes: "./attributes", //resolve as dependency
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GlobalControls: "./globalControls", //resolve as dependency
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Link: "./link", //resolve as dependency
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Page: "./page", //resolve as dependency
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PageStorage: "./pageStorage", //resolve as dependency
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PanesList: "./panesList", //resolve as dependency
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Theme: "./theme", //resolve as dependency
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ThemeStorage: "./themeStorage", //resolve as dependency
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Image: "./image" //resolve as dependency
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};
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Controller.constructors = {
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Controller: Controller
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};
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module.exports = Controller;
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