By Max Katz

RichFaces four is part library for JavaServer Faces, and a sophisticated framework for simply integrating AJAX features into company applications. It enables you to speedy boost next-generation net functions in keeping with JSF 2/Ajax. during this definitive RichFaces four e-book, rather than utilizing JBoss instruments, the writer bases all examples on Maven in order that any IDE may be used—whether it really is NetBeans, Eclipse, JBoss or perhaps Spring.  useful RichFaces additionally describes tips to most sensible make the most of RichFaces—the integration of the Ajax4jsf and RichFaces libraries—to create versatile and strong courses. Assuming a few JSF heritage, it exhibits how one can noticeably lessen programming effort and time to create wealthy AJAX-based purposes. What you’ll study find out how to construct wealthy net functions with out-of-the-box RichFaces parts top concepts for imposing Ajax functions utilizing RichFaces whilst top to exploit the 2 libraries tips on how to create new skins to your app very quickly the way to create purposes without having to put in writing any JavaScript code Who this ebook is for Java builders with solid JSF wisdom trying to construct next-generation net purposes utilizing RichFaces JavaServer Faces clients Java programmers wishing so as to add Ajax to their current courses outdated clients of Ajax4jsf desk of Contents the fundamentals Getting begun a4j:* Tags, positive factors and ideas Getting all started with wealthy parts wealthy enter and choose elements wealthy Panel and Output elements wealthy facts new release parts wealthy Menu elements wealthy Tree parts wealthy Drag-and-Drop elements wealthy Validation wealthy parts JavaScript API, consumer capabilities, and utilizing jQuery Skins RichFaces CDK: construction customized elements

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When the page is loaded, the application will look as shown in Figure 3-2. Figure 3-2. Using When the page is loaded for the first time, the clock is off. You can then use the buttons to start or stop the clock. Before we start, it’s important to keep in mind that the default value for execute is @this when using the component. Listing 3-25 shows the JSF page. Listing 3-25. now}" /> 53 CHAPTER 3  A4J:* TAGS, FEATURES, AND CONCEPTS It has a couple of important attributes: interval defines how often a request will be sent to the server (in milliseconds), and enabled determines whether the component will send a request depending on whether it’s set to true or false.

Figure 2-4. JSF life cycle diagram 34 CHAPTER 2  GETTING STARTED JSF fires what are called phase events before and after each phase. We can write a listener to listen to these events and output a message to the log. The phase listener can be used for anything else, such as injecting a custom functionality between phases. The phase listener is shown in Listing 2-38. Listing 2-38. ANY_PHASE; } } The methods beforePhase and afterPhase are very simple. All we do is print a message to the log. getPhaseId() returns the phase id for which to call this particular listener.

Request Parameters for Sending Ajax Request Programmatically Parameter Description this DOM element that triggers this Ajax request event JavaScript event object render The same value when using and defaults to @this execute The same value when using and defaults to @none  Note render has to point to a client id, not a component id. Listing 3-24 shows another example using . Listing 3-24. text}" id="out" /> We believe it’s simpler to use because you don’t have to manually write any JavaScript code and you get all the extra features and functionality that are also available in a4j:ajax behavior.

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