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Liferay User Interface Development by Frank Yu, Xinsheng Chen, Jonas X. Yuan

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Chapter 3. Layout Templates

As explained in the last chapter, a portal page typically includes a header with a logo, a navigation menu (horizontal and/or vertical navigation tabs), a portlet content area, and a footer. There are two layers of abstraction to generate a portal page in Liferay.

The first layer is with a theme, which generates these components in a tightly coupled way on a page. A theme also includes the necessary CSS and images to present these components on a portal page in a visually appealing way.

The portlet content area includes one or more portlets. These portlets serve as the functional components of a page. They might be applications with different backend systems and don't necessarily follow one another in a sequential order. ...

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