Recent Posts by Geertjan Wielenga

The question of the day comes from Winston Dehaney:Is there any way to handle what happens whenever I try to open a file. The file is a serialised ArrayList. when I open the file, it is de-serialised to an array then the information from the array is opened. The functionality for the actions to perform when opening this file and how to show it in an editor is already complete. I just wanted to be able to override the functionality in opening a file. I started by simulating the...

If a CloneableTopComponent has a DataObject in its Lookup, the DataObject will be added to "File | Open Recent File", after the CloneableTopComponent has closed. The relevant classes are in the "org.netbeans.modules.openfile" package in the NetBeans sources. To include the package in your application, put a checkmark next to "User Utilities" in the "ide" cluster, in the Project Properties dialog of your application. The RecentFiles class, in the...

The introduction of Java EE 7 is a free online event where you can connect with Java users from all over the world as you learn about the power and capabilities of Java EE 7. Join us for presentations from Oracle technical leaders and Java users from both large and small enterprises, deep dives into the new JSRs, and scheduled chats with Java experts. Plus, the highlights of NetBeans IDE support for Java EE 7 will be demonstrated during the event!

Since 1998, Itransition has been a software development innovator providing full-cycle high quality services to its customers in over 30 countries worldwide. One of its many applications is Eltim Reporter, a sales-data analysis application on the NetBeans Platform: Mihail Rukavishnikov, Eltim Reporter's lead developers states: We developed Eltim Reporter as a desktop application for sales data analysis. It was great to use the NetBeans Platform for making the application...

AdvancedMiner Professional is developed by StatConsulting in Warsaw, Poland, on the NetBeans Platform. It is a modern and advanced analysis application that provides a wide range of tools for data transformations, construction of data mining models, advanced data analysis, and reporting. AdvancedMiner SNA, where "SNA" stands for "social network analysis", is a subset of AdvancedMiner Professional. It providesa completely new way of looking at your customer–not only as...

A launch of a NetBeans Platform application that has generated even more buzz than NetBeans IDE launches is that of Joeffice, Anthony Goubard's open source office suite, the first Java-based office suite, which he created in only 30 days on the NetBeans Platform: You can read about the above application at the following URLs: http://tech.slashdot.org/story/13/05/26/0418229/java-developer-says-he-built-launched-basic-open-source-office-suite-in-30-days http://www.pcworld.com/arti...

Mike Gordon is a secondary math-science teacher at Piedra Vista High School in the state of New Mexico, USA. He's put together an application that was originally intended to simply save time on grading student work by allowing the computer to do it for him. It has evolved over time and, while it has not met the original intent, it has saved Mike's colleagues and co-workers many hours. Over the course of 5 years, Mike and his colleagues have tested and refined the application...

In part 1, the problem of the superfluous expansion icon is discussed and solved. However, the solution is incomplete as Michael Bishop indicates in the comment to part 1: I recently implemented this solution. The explorer tree appeared correctly, but no longer updates correctly; adding and removing nodes don't seem to be triggering the refresh() method in the factory class. For instance, when adding a new child, the underlying data model updatesand I can confirm the child is...

There's a folder in the NetBeans repo where NetBeans Platform application screenshots are stored, one per application (together with a thumbnail image) for publication on the NetBeans Platform Showcase. New images are added there whenever we identify new NetBeans Platform applications. Once in a while, I go to that folder, identify the newest images, and then include them, together with a description, in the showcase, i.e., manually, simply by typing in an HTML file. However,...