Open-source plug-ins work well in WDSC, although some of them may be "eclipsed" by existing functionality.
The Arcad plug-in from my last tip was obviously intended as a tool for System i developers. There aren't a whole lot of other folks who need a 5250 emulator. And there really aren't a lot of other plug-ins devoted specifically to the System i, with the exception of a number of commercial plug-ins for things like source control management.
However, there are an astounding number of plug-ins, both free and for-fee, available for the Eclipse framework (over 1,500 of them at last count at the Eclipse Plugin page). So I thought I might bring some of those to your attention, particularly the free ones. One of the ones mentioned most often in the System i community is the Quantum DB plug-in. It's a great little SQL tool that allows you to navigate through an SQL database, including the System i, and query the structure of tables and execute SQL statements. It even supports an EXPLAIN PLAN syntax for Oracle, although that doesn't do a lot of good with DB2. Figure 1 shows a little bit of what Quantum DB does.
Figure 1: The Quantum DB plug-in offers several views. (Click images to enlarge.)
However, I think the majority of people using the Quantum DB plug-in probably chose it before the WDSC Data Perspective got as much attention from the developers as it did, because the version in WDSC 7 is light-years beyond the old one.
Figure 2: This is the Data Perspective that comes with WDSC.
Figure 2 shows you just the surface of the Data Perspective; I'd need another entire article just to give you an overview of this tool. If you review the figure, you'll see not only a powerful database explorer and a scratchpad for running statements and reviewing the results, but also an editable view of the file in the top right pane: You can go in and update fields in records as if you were using an Excel spreadsheet. This could interest the folks who are looking for an UPDDTA replacement.
Quantum DB has a couple of things going for it, especially the ability to export data in multiple formats, so it's not unreasonable to take it for a spin. But since I was somewhat underwhelmed by the usefulness of the plug-in overall (no disrespect to the builders; they've done a phenomenal job, but the Data Perspective does most of it as well or better), I decided to try a couple more.
First, take a look at the QuickREx plug-in. While most of us don't do a lot with regular expressions, they're a really powerful technique that can be used for several purposes. One is to validate data to make sure it matches certain patterns. This can be great to check phone numbers, social security numbers, and dates, especially as initial reasonableness checks on the client. As with any powerful technique, though, regular expressions can be quite complex and obtuse. They're not particularly easy to write and even harder to test, and this plug-in helps with both of those issues.
Figure 3: This custom perspective shows both the library and editing views of QuickREx.
QuickREx comes with a library view that contains a relatively small list of pre-written expressions (and for some reason I couldn't add to that list; the editing of the library may not be implemented yet). But it's easy to find more on the Web. And then you can paste the expression into the QuickREx testing view and try it out, keying various test strings to see if they match. There's even a pane for evaluation details that attempts to tell you why a given string matches or doesn't.
Figure 4: This is the expression editor.
Perhaps just as impressive is the expression editor. One of the problems with regular expressions is that they use an arcane symbolic syntax that is difficult to grasp and even harder to remember. The editor helps you by providing a list of various special symbols (such as D, which means "not a digit").
By now, I hope you've gotten the idea that you may really be able to enhance your WDSC to make you more productive by using plug-ins that weren't necessarily meant for WDSC. Now I'll leave you with one last little one that I find fun:
Figure 5: Here's the toolbar from the Winamp - Eclipse plug-in.
This is the Winamp - Eclipse plug-in. It's not really a development tool at all; it allows you to control your Winamp MP3 player from your workbench. If you have the Winamp player installed, this plug-in adds a small toolbar that let's you stop, start, pause, and change tracks using the standard international symbols. If nothing else, it's nice when you're in full-screen mode in your workbench (which I normally am) and the phone rings. A quick click of the pause tool and you can safely answer the phone.
Productivity enhancer? Perhaps not. But it is functional. And it demonstrates the incredible range of things out there.
A standard caveat: As with anything, you want to be sure this doesn't mess with your system. It's conceivable that installing a plug-in could render your workbench unstable or even inoperable. So you might want to do a backup before you install anything into your production workspace, but that's just common-sense care in the open-source world.
Joe Pluta is the founder and chief architect of Pluta Brothers Design, Inc. He has been extending the IBM midrange since the days of the IBM System/3. Joe uses WebSphere extensively, especially as the base for PSC/400, the only product that can move your legacy systems to the Web using simple green-screen commands. He has written several books, including Developing Web 2.0 Applications with EGL for IBM i, E-Deployment: The Fastest Path to the Web, Eclipse: Step by Step, and WDSC: Step by Step. Joe performs onsite mentoring and speaks at user groups around the country. You can reach him at
MC Press books written by Joe Pluta available now on the MC Press Bookstore.
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Developing Web 2.0 Applications with EGL for IBM i Joe Pluta introduces you to EGL Rich UI and IBM’s Rational Developer for the IBM i platform. List Price $39.95 Now On Sale
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WDSC: Step by Step Discover incredibly powerful WDSC with this easy-to-understand yet thorough introduction. List Price $74.95
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