or JavaScript. However Wicket provides also a more sophisticated technique to let components contribute to header section with in-line blocks and resource files like CSS or JavaScript files. We will IHeaderContributor which allows components and behaviors (which will be introduced later in paragraph 18.1) to contribute to the header section of their page. The only method defined in this interface is these resources must be added to page header section in order to be used. Ajax call listeners can contribute to header section by simply implementing interface IComponentAwareHeaderContributor. Wicket

or JavaScript. However Wicket provides also a more sophisticated technique to let components contribute to header section with in-line blocks and resource files like CSS or JavaScript files. We will introduced later in paragraph 18.1) to contribute to the header section of their page. The only method defined in this interface is these resources must be added to page header section in order to be used. Ajax call listeners can contribute to header section by simply implementing interface IComponentAwareHeaderContributor. Wicket

or JavaScript. However Wicket provides also a more sophisticated technique to let components contribute to header section with in-line blocks and resource files like CSS or JavaScript files. We will IHeaderContributor which allows components and behaviors (which will be introduced later in paragraph 18.1) to contribute to the header section of their page. The only method defined in this interface is these resources must be added to page header section in order to be used. Ajax call listeners can contribute to header section by simply implementing interface IComponentAwareHeaderContributor. Wicket

or JavaScript. However Wicket provides also a more sophisticated technique to let components contribute to header section with in-line blocks and resource files like CSS or JavaScript files. We will IHeaderContributor which allows components and behaviors (which will be introduced later in paragraph 18.1) to contribute to the header section of their page. The only method defined in this interface is these resources must be added to page header section in order to be used. Ajax call listeners can contribute to header section by simply implementing interface IComponentAwareHeaderContributor. Wicket