|By Yakov Fain||
|August 10, 2014 10:32 PM EDT||
Some time ago I blogged that Java Swing should be deprecated and replaced with JavaFX. In this blog I’ll show a piece of JavaFX namely event handlers and binding. I’ve created a simple Sign In window with a GridPane layout (it’s JavaFX equivalent of Swing’s GridBagLayout). I’m not going to spend much time on the GridPane itself, but will show you a basic event handling and a binding.
In JavaFX an event object is represented by the instance of the class javafx.event.Event. There are different ways of handling events. Depending on how you structured your application you can handle events either in Java or in FXML. In this blog I’ll do everything in Java, where you can process events using one of the following techniques:
- Create an instance of an anonymous class overriding its handle() callback method. Pass it to the the event handler for a specific event.
- Use lambda expressions.
- Use Java method references introduced in Java 8.
The Sign In window, will have the buttons Sign In, Cancel, and the hyperlink Forgot password. Each of these controls will use different way of handling click event. The Sign In window will look as follows:
SYS-CON Events announced today that MobiDev will exhibit at SYS-CON's 18th International Cloud Expo®, which will take place on June 7-9, 2016, at the Javits Center in New York City, NY. MobiDev is a software company that develops and delivers turn-key mobile apps, websites, web services, and complex software systems for startups and enterprises. Since 2009 it has grown from a small group of passionate engineers and business managers to a full-scale mobile software company with over 200 develope...
May. 31, 2016 10:15 AM EDT Reads: 2,897
May. 31, 2016 09:45 AM EDT Reads: 895
May. 31, 2016 09:30 AM EDT Reads: 869
May. 31, 2016 09:30 AM EDT Reads: 1,054
May. 31, 2016 09:15 AM EDT Reads: 888
May. 31, 2016 09:15 AM EDT Reads: 822
May. 31, 2016 09:00 AM EDT Reads: 2,436
May. 31, 2016 09:00 AM EDT Reads: 3,262
May. 31, 2016 08:45 AM EDT Reads: 2,418
May. 31, 2016 08:45 AM EDT Reads: 3,066
May. 31, 2016 08:15 AM EDT Reads: 2,126
May. 31, 2016 08:15 AM EDT Reads: 1,824
May. 31, 2016 08:00 AM EDT Reads: 2,346
May. 31, 2016 08:00 AM EDT Reads: 1,886
May. 31, 2016 07:45 AM EDT Reads: 1,702