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

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Discussion, ratings, diff, and flags

Ranking a page or portlet could be used to measure popularity. Fortunately, the portal provides a page-rating portlet, and this can be added to any page. In addition, adding ranking to a portlet can be done with the tag liferay-ui:rating, as the portal provides a way of extending portlet capabilities via the UI tags.

Adding comments on a page or an asset could be useful too. The portal provides a page comments portlet, and this can be added to any page. Actually, adding comments to a portlet or any asset can be done with the tag liferay-ui:discussion by extending portlet capabilities via UI tags.

Discussion, ratings, diff, and flags

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