http://www.dooriented.com/blog Less words, more code Fri, 09 May 2008 17:52:20 +0000 http://backend.userland.com/rss092 en Communication between Java and Javascript cannot be done easier than with Wicket framework, by far the best helper if you're in Java based web development. html [sourcecode language='html'] function callWicket() { wicketAjaxGet(callback + '¶meter=value', function() {}, function() {}); } [] [/sourcecode] Java - or should I say the magic of Wicket? [sourcecode language='java'] package com.somepackage; import org.apache.wicket.PageParameters; import org.apache.wicket.ajax.AbstractDefaultAjaxBehavior; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.ajax.AjaxSelfUpdatingTimerBehavior; import ... http://www.dooriented.com/blog/2008/05/09/wicketing-javascript-through-ajax/ When it comes to web development, Javascript is the best client-side programming language. It has come a long way in the last years. It's no longer just a simple scripting language. These days a lot of Javascript libraries are available to be used freely and they are incredibly powerful: Script.aculo.us, ... http://www.dooriented.com/blog/2008/05/09/javascript-inheritance/ On one of my projects I had to implement an image and link the image area to wicket. This is how I did it: html [sourcecode language='html'] Some ... http://www.dooriented.com/blog/2008/05/09/using-a-static-image-map-with-wicket/ I'm writing this post because I've been asked a million times about this and it's easier to point someone to a link than to explain it again :-) . In Javascript, executing something after a specified time couldn't be easier - you've got the setTimeout method. Just be careful to call ... http://www.dooriented.com/blog/2008/05/09/javascript-how-to-make-something-happen-after-some-time/ A variable can be defined as a segment of memory which holds some kind of value. The programmer can reference that segment of memory by using the name of the variable in order to assign it a value or to read it and use it. In Javascript, the scope of the ... http://www.dooriented.com/blog/2008/04/27/javascript-variables-scope/ A lot of people seem to be asking how to do a file upload using AJAX. The short answer to this is that it cannot be done! That's because it is not supported by today's HTML / browser specs. What you can do is just fake it :-) . I've been using ... http://www.dooriented.com/blog/2008/04/23/wicket-ajax-like-file-upload-on-a-modal-window/