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AngularJS and Websocket service implementation example... This example shows only the fronted
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| /** | |
| * Created by victor on 1/19/14. | |
| */ | |
| var app = angular.module('app', []); | |
| app.factory('ChatService', function () { | |
| var service = {}; | |
| service.connect = function () | |
| { | |
| if (service.ws) | |
| { | |
| return; | |
| } | |
| // Bind to your back end | |
| var ws = new WebSocket("ws://localhost:8181/ws"); | |
| ws.onopen = function () | |
| { | |
| console.log("Succeeded to open a connection"); | |
| service.callback({status:"ok", msg: "Succeeded to open a connection..."}); | |
| }; | |
| ws.onerror = function () | |
| { | |
| console.log("Failed to open a connection") | |
| service.callback({status:"ok", msg:"Failed to open a connection..."}); | |
| } | |
| ws.onmessage = function (message) | |
| { | |
| var j = JSON.parse(message.data); | |
| service.callback(j); | |
| }; | |
| service.ws = ws; | |
| } | |
| service.send = function (message) | |
| { | |
| var j = {topic: "chat", msg: message} | |
| service.ws.send(JSON.stringify(j)); | |
| } | |
| service.subscribe = function (callback) | |
| { | |
| service.callback = callback; | |
| } | |
| return service; | |
| }); | |
| function AppCtrl($scope, ChatService) | |
| { | |
| $scope.messages = []; | |
| ChatService.subscribe(function (json) | |
| { | |
| // var json = JSON.parse(text); | |
| if(json.status == "fail") | |
| { | |
| alert("Error: " + JSON.stringify(json)); | |
| return; | |
| } | |
| $scope.messages.push(json.msg); | |
| $scope.$apply(); | |
| }); | |
| $scope.connect = function () | |
| { | |
| ChatService.connect(); | |
| $scope.isOnline = "btn-success"; | |
| } | |
| $scope.isOnline = "btn-primary"; | |
| $scope.send = function () | |
| { | |
| ChatService.send($scope.text); | |
| $scope.text = ""; | |
| } | |
| } |
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| <html ng-app="app"> | |
| <head> | |
| <script src="http://code.jquery.com/jquery-1.10.1.min.js"></script> | |
| <script src="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.1/js/bootstrap.min.js"></script> | |
| <link href="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.1/css/bootstrap-combined.min.css" rel="stylesheet"> | |
| <script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.2.9/angular.min.js"></script> | |
| <script src="app.js"></script> | |
| <style> | |
| body { margin-top: 10px; } | |
| input.message { height: 30px; } | |
| </style> | |
| </head> | |
| <body ng-controller="AppCtrl"> | |
| <form class="form-inline"> | |
| <button ng-click="connect()" class="btn" ng-class="isOnline">Connect</button> | |
| <input type="text" ng-model="text" placeholder="input message to send" class="message"/> | |
| <button ng-click="send()" class="btn">Send</button> | |
| </form> | |
| <table class="table table-striped"> | |
| <tr ng-repeat="message in messages"> | |
| <td>{{message}}</td> | |
| </tr> | |
| </table> | |
| </body> | |
| </html> |
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