An introduction about Wicket. Taken on June 30th 2008

1. Cost Benefit Open Source Solutions By Eyal Golan – Senior Java Consultant @ Tikal Knowledge Introduction to

2. “ Apache Wicket is a component oriented Java web application framework. With proper mark-up/logic separation , a POJO data model , and a refreshing lack of XML , Apache Wicket makes developing web-apps simple and enjoyable again. Swap the boilerplate, complex debugging and brittle code for powerful, reusable components written with plain Java and HTML.*” *The Wicket Team

12. Hello World – The Short Example add(new Label(" message ", "Hello World!")); Put it in your Java

13. Hello World – The Short Example <h1 wicket:id=“ message ”>[text goes here]</h1> add(new Label(&quot; message &quot;, &quot;Hello World!&quot;)); + Add it to your HTML Put it in your Java

14. Hello World – The Short Example <h1 wicket:id=“ message ”>[text goes here]</h1> add(new Label(&quot; message &quot;, &quot;Hello World!&quot;)); <h1>Hello World!</h1> + = Add it to your HTML Put it in your Java Et Voila

15. What about picking a date? DateTextField dateTxt = new DateTextField(&quot;dateTxt&quot;); dateTxt.add( new DatePicker()); add(dateTxt); <input wicket:id=“dateTxt”></input> You can manipulate the header by adding calls to CSS and JS files.

18. Components Tree Hierarchy

21. Component – Link Example Link link = new Link(&quot; link &quot;) { … @Override public void onClick() { setResponsePage(OrdersReportsPage.class); } }); <a href=”#” wicket:id=“ link ”>Click</a> HTML Code Java Code

22. Component – AjaxLink Example someComponent.setOutputMarkupId(true); AjaxLink link = new AjaxLink(&quot; link &quot;) { private static final long serialVersionUID = 1L; @Override public void onClick(AjaxRequestTarget target) { // Do Something target.addComponent(someComponent); target.appendJavaScript(“Effects.fade(‘foo’)”); } }); <a href=”#” wicket:id=“ link ”>Click</a> The same as regular Link Some Ajax stuff in Java

34. Q&A

35. Thank You [email_address] [email_address]