Lightstreamer - Basic Stock-List Demo - HTML (AngularJS, ng-grid) Client

A simple stocklist demo application showing integration between AngularJS and the Lightstreamer JavaScript Client library.

Live Demo

View live demo

Details

This demo displays real-time market data for ten stocks, generated by a feed simulator in a similar way to the Lightstreamer - Basic Stock-List Demo - HTML Client.

This page uses the JavaScript Client API for Lightstreamer to handle the communications with Lightstreamer Server and uses AngularJS to display the real-time data pushed by Lightstreamer Server.

A Lightstreamer Subscription is used for subscribing to the data. The onItemUpdate callback implementation fills an object that is used by AngularJS to populate the HTML. Three different approaches to the data display are shown; the first two use "vanilla" AngularJS whereas the third one is based on ng-grid

The demo includes the following client-side functionalities:

• A Subscription containing 10 items, subscribed to in MERGE mode.

Further details about integration between AngularJS and Lightstreamer are discussed in this blog post: "Yet Another Integration: AngularJS".

Install

If you want to install a version of this demo pointing to your local Lightstreamer Server, follow these steps:

• Note that, as prerequisite, the Lightstreamer - Stock- List Demo - Java Adapter has to be deployed on your local Lightstreamer Server instance. Please check out that project and follow the installation instructions provided with it.
• Launch Lightstreamer Server.
• Get the lightstreamer.min.js file from npm or unpkg and put it in the src/js folder of the demo.
• Get the require.js file form requirejs.org and put it in the src/js folder of the demo.
• AngularJS is currently hot-linked in the html page: you may want to replace it with a local version and/or to upgrade its version.

The above setup will make the first two tables work. To also start the ng-grid version run:

• jQuery is currently hot-linked in the html page: you may want to replace it with a local version and/or to upgrade its version.
• Also ng-grid is currently hot-linked in the html page: again, you may want to replace it with a local version and/or to upgrade its version.

You can deploy this demo inside Lightstreamer internal web server or in any other web server. If you choose the former, please create the folders /pages/demos/[demo_name] into your Lightstreamer server installation then copy the contents of the src folder of this project there.

The client demos configuration assumes that Lightstreamer Server, Lightstreamer Adapters, and this client are launched on the same machine. If you need to target a different Lightstreamer server, please search for this line:

var lsClient = new LightstreamerClient(protocolToUse+"//localhost:"+portToUse,"DEMO");

in lsClient.js and change it accordingly.

The demo is now ready to be launched.

See Also

• Yet Another Integration: AngularJS

Lightstreamer Adapters Needed by This Demo Client

• Lightstreamer - Stock-List Demo - Java Adapter
• Lightstreamer - Reusable Metadata Adapters - Java Adapter

Related Projects

• Lightstreamer - Stock-List Demos - HTML Clients

Lightstreamer Compatibility Notes

• Compatible with Lightstreamer JavaScript Client library version 6.0 or newer (installation instructions for version 8.0 or newer).