Daniel Vaughan's Ext GWT 2.0: Beginner's Guide PDF

By Daniel Vaughan

This can be a hands-on beginner's advisor that builds an entire Ext GWT software throughout the e-book vacationing a brand new set of gains in each one bankruptcy. you are going to research the whole diversity of gains to be had within the Ext GWT library. At each aspect you'll be given functional examples and strategies which can simply be tailored on your personal functions. when you are a Java developer desiring to construct intuitive internet purposes with Ext GWT, then this publication is for you. It assumes that you're conversant in HTML and CSS. builders who desire to upload an RIA glance to their present GWT functions with Ext GWT will locate this ebook super helpful.

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Event. ComponentEvent 4. client. client. client. client. client. client. client. client. client. KeyUpHandler We then needed to redefine the controls. In the GWT example, all the code sits inside the onModuleLoad method and makes use of inner classes. However, due to the way listeners are implemented in GXT, we lose some of the flexibility that enables this. Instead, we had to define the controls as private members as follows: private final Button sendButton = new Button("Send"); private final TextField nameField = new TextField(); private final Dialog dialogBox = new Dialog(); private final Label textToServerLabel = new Label(); private final HTML serverResponseLabel = new HTML(); 5.

2. In the imports section of the FirstGxtApp class, we removed the following GWT specific imports: import import import import import import import import import 3. TextField; [ 21 ] Getting Started with Ext GWT You may notice that some of the GXT classes share a similar name to their GWT equivalents. widget. widget. widget. widget. widget. event. event. event. event. ComponentEvent 4. client. client. client. client. client. client. client. client. client. KeyUpHandler We then needed to redefine the controls.

For example, if you were to swallow the onClick event of a button, it would no longer fire an event when clicked on. Introducing the example application The example application that we will use in the book from this point onwards is an RSS reader. This application will give us a chance to exploit nearly all of the functions of GXT, including many of the more advanced ones. But first of all we need to put the basics in place. The requirement Our customer has a requirement for an easy-to-use RSS news feed reader that can handle multiple RSS feeds specified by the user.

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