Added support of operational transformation

public/vendor/ot/socketio-adapter.js

@@ -0,0 +1,66 @@
+/*global ot */
+
+ot.SocketIOAdapter = (function () {
+    'use strict';
+
+    function SocketIOAdapter(socket) {
+        this.socket = socket;
+
+        var self = this;
+        socket.on('client_left', function (clientId) {
+            self.trigger('client_left', clientId);
+        });
+        socket.on('set_name', function (clientId, name) {
+            self.trigger('set_name', clientId, name);
+        });
+        socket.on('set_color', function (clientId, color) {
+            self.trigger('set_color', clientId, color);
+        });
+        socket.on('ack', function (revision) {
+            self.trigger('ack', revision);
+        });
+        socket.on('operation', function (clientId, revision, operation, selection) {
+            self.trigger('operation', revision, operation);
+            self.trigger('selection', clientId, selection);
+        });
+        socket.on('operations', function (head, operations) {
+            operations = LZString.decompressFromUTF16(operations);
+            operations = JSON.parse(operations);
+            self.trigger('operations', head, operations);
+        });
+        socket.on('selection', function (clientId, selection) {
+            self.trigger('selection', clientId, selection);
+        });
+        socket.on('reconnect', function () {
+            self.trigger('reconnect');
+        });
+    }
+
+    SocketIOAdapter.prototype.sendOperation = function (revision, operation, selection) {
+        operation = LZString.compressToUTF16(JSON.stringify(operation));
+        this.socket.emit('operation', revision, operation, selection);
+    };
+
+    SocketIOAdapter.prototype.sendSelection = function (selection) {
+        this.socket.emit('selection', selection);
+    };
+
+    SocketIOAdapter.prototype.getOperations = function (base, head) {
+        this.socket.emit('get_operations', base, head);
+    };
+
+    SocketIOAdapter.prototype.registerCallbacks = function (cb) {
+        this.callbacks = cb;
+    };
+
+    SocketIOAdapter.prototype.trigger = function (event) {
+        var args = Array.prototype.slice.call(arguments, 1);
+        var action = this.callbacks && this.callbacks[event];
+        if (action) {
+            action.apply(this, args);
+        }
+    };
+
+    return SocketIOAdapter;
+
+}());