JSF ICEFACES PDF

Facelets is a view technology that focuses on building JSF component trees. Facelets includes many features such as:. The above code is used to notify JSF to assume a prefix of jspx, which the facelet's renderer can interpret. Note that the.

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Facelets is a view technology that focuses on building JSF component trees. Facelets includes many features such as:. The above code is used to notify JSF to assume a prefix of jspx, which the facelet's renderer can interpret. Note that the. This includes the Facelets view handler. Facelets emphasizes its ability to template content in your application. Templating promotes re-use and eases long term maintenance of your application, allowing content to be changed in one spot, but used in multiple pages.

When describing templating within Facelets, we have two roles: the template and the template client. Any document can act as a template; but what makes a document a template?

The other half of the equation is the template client. These tags and their uses will be described in greater detail below. For our example, we have developed a site that uses Facelets templating techniques. The site is divided into four parts, header, footer, navigation, and content sections.

Each page on the site is run off of the main-template. The header, footer, and navigation is included directly into the template. The content section is constantly changing therefore it isn't included directly in the template. The content pages use another template to outline its content. The content-template. The content template defines a header and the page content. This will mean that each page that uses the template will have a header and the content sections. This page uses a ui:composition tag which is linked to the main-template tenplate.

This will include the header, footer, and navigation pages and allow the content to be defined separetly. The content pages also use a ui:decorate tag to link the content template to the page. The page content is defined on another jspx page which is included with an ui:include tag.

The composition and decorate tags are very similar in the fact that they both wrap content to be included in another Facelet. Any content inside the tag will be included when another Facelets page includes the page containing the composition tag. The following is an example of how the composition tag works:.

The decorate tag is handled a little differently. Any content outside of the UI Decorate tag will be displayed by the Facelets view handler. Any content within the decorate tag will be passed to the associated template as parameters or simply ignored. Also nested ui:define tags can be used to pass names content to the associated template. The following is an example of how the decorate tag works:.

The insert tag is a templating tag that declares a named content element to be defined by another Facelet. It can be used effectively with the ui:define tag to pass values between facelets. The define tag is a templating tag that defines named content to be inserted into a template. The name attribute value must match that of a ui:insert tag in the target template for the named content to be included.

The following is an example on how the two tags work in conjunction with each other:. The include tag is a server-side include tag for Facelets. It simply includes the document pointed to by the? The included document should use a component or composition tag to trim unnecessary markup, or it may simply contain a fragment of XHTML or XML to be included.

For dynamic includes the? When the navigation is changed user clicks a new link , the backing bean value us also changed thus changing the include value.

This enables the use of a single include tag to be used in the template. The following is an example of how it can be basically used:. The following code shows how the include tag can be used for dynamically including content:. For more information on dynamic includes using Facelets see the Dynamic-Includes Tutorial located here. Facelets is not only just used for templates. You can create your own custom tags to be used in your application. Creating your own custom tags can be beneficial due to it will promote code re-use and portability.

For our example we have a register form, it consists of a few labels and a few input text boxes. Normally this would take quite a few lines of code to create:.

The following code renders a similar output using the custom component we have created:. Notice the big difference in the amount of code? The second example is getting the information from the backing bean. The nice thing about doing it this was is say if there was a search or edit page, the form used would probably be similar.

Instead of re writing the same code all over again we can use our custom component. The following is an example of the tag library:.

The faceletsTutorial Tag library only defines one tag but all of the tags being used in the application should be defined in the same tag library file. Note the namespace element that is declared before the tag element, it will be used in the facelets page. This will tell Facelets the that tag library exists so it can use it. The following is how it should be declared:. Note you can also define multiple tag libraries to be used by passing facelets.

Once the tagfile has been created and defined in the tag library its ready to be used. To use the tagfile, declare it as an XML namespace, shown below:. Download the demo: Download the source code here. The example shows a general overview of how Facelets templating works. Basic site example on how to use Facelets. Includes samples on templating and custom components.

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ICEfaces JSF Components

It improves developer efficiency all while reducing time to market and operating costs. Beyond components, Cloud Push delivers the next generation of push technologies. Now, users can be alerted to application updates even when they are not connected. Rich Components Rich Internet Applications are built from rich components. ICEfaces components support the latest in accessibility standards and are deliver consistent look and feel across the broadest range of browsers in the industry. Innovative framework features simplify development and transcend the capabilities of standard Java EE. ICEfaces provides application developers with a familiar Java Enterprise development model that completely shelters them from the complexities of low-level Ajax development in JavaScript.

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ICEfaces Facelets Tutorial

Let us know if you would like a date for this course added to our schedule. This comprehensive course puts the experienced Java developer in good position to build sophisticated web applications using JavaServer Faces and the ICEfaces component library. A first module introduces the best-practice concepts of MVC architecture and command-object encapsulation that propel the JSF architecture. They add data-conversion and validation logic and generally get accustomed JSF programming practice.

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