By Daniel Vaughan
This can be a hands-on beginner's advisor that builds an entire Ext GWT program throughout the booklet vacationing a brand new set of good points in each one bankruptcy. you'll examine the whole diversity of good points to be had within the Ext GWT library. At each element you may be given sensible examples and methods that could simply be tailored on your personal functions. while you're a Java developer meaning to construct intuitive net functions with Ext GWT, then this publication is for you. It assumes that you're acquainted with HTML and CSS. builders who desire to upload an RIA glance to their present GWT purposes with Ext GWT will locate this booklet super necessary.
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Extra resources for Ext GWT 2.0: Beginner's Guide
Sample text
We will now summarize the main differences. Time for action – adapting the GWT app to use GXT controls 1. When we created the GWT application, a class named FirstApp will be created. We created a copy of that class named FirstGxtApp. 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.
What is the name of the company that develops GXT? 6. What is the name of the GXT Java library file? 7. What is the license of GXT? 8. In what file must you inherit the GXT module? 9. Where must you include a reference to the GXT CSS? 10. jar library file? Summary In this chapter, we have introduced GXT and set up the development environment. We then went on to modify the standard GWT sample application to use the GXT component. We used this to highlight the similarities and differences between GXT and GWT.
Container itself does not deal with the laying out and rendering of components. This is left to subclasses. LayoutContainer The LayoutContainer inherits from Container indirectly by subclassing the ScrollContainer class. ScrollContainer adds support for the scrolling of content to Container. LayoutContainer itself adds the ability to lay out the child components using a Layout. Let's see how this works with the idea of lazy rendering. First of all, we will create a LayoutContainer: LayoutContainer layoutContainer = new LayoutContainer(); At this point, no HTML has been created because the LayoutContainer has not been added to either another GXT Container or a GWT Panel.