By Grant Slender
Developing in Ext GWT is a fast–paced, functional advisor to fast studying the initiatives priceless in development enterprise–class wealthy net purposes. dependent round the intriguing new UI library from Ajax leaders Ext JS and the most recent GWT free up, this ebook takes the reader via setup, the on hand widgets, and complicated customized widgets and templates, and concludes with a practical pattern client–server software in below one hundred fifty pages. now not your general beginner's consultant to programming, this ebook offers a fast method of changing into powerful with top advertisement RIA instruments and libraries.
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Extra info for Developing with Ext GWT: Enterprise RIA Development
Portal allows you to build an application that has iGoogle-like panel Portlets. The Drag-n-Drop API allows you to add drag-and-drop functionality to widgets that support it. Layouts In the previous chapter, I introduced the concept of layout managers. A fundamental part of GXT containers, layout managers are designed to assist in the positioning and sizing of child widgets. Layout managers perform an important function in creating a consistent user interface for applications rendered using the browser’s inherent HTML layout capabilities.
Windows can be modal, shown and hidden, and maximized and restored. As it extends ContentPanel, Window offers all the same visual and functional features found in ContentPanel. Unlike ContentPanel, you don’t add Window to a Container (or RootPanel). When Window’s show() method is called, Window adds itself to the DOM, sets its z-index to be the topmost item, and makes itself visible. At this time, Window also executes its layout and centers itself within the current view. If you intend to reuse Window, you should hide instead of close it, as closing releases all resources and requires you to re-create the Window if you need to show it again.
Css file. important; } Developing with Ext GWT 39 WHY NO GWT IMAGE SUPPORT? You may be wondering why GXT doesn’t support GWT’s Image class for adding icons. The reason is that CSS is much more flexible. Where do you want to store your image paths: in Java source code or in a separate CSS file that you can update without having to recompile code? A future release of GXT will add GWT ImageBundle support in most places that take icons, so you’ll be able to decide what method you’d prefer to use. An ImageBundle is a composition of many images into a single image, which can reduce the overall number of connections and requests to the server for resources.
Developing with Ext GWT: Enterprise RIA Development by Grant Slender