Java Rich Client

How to display line numbers in JTable

Jim — Wed, 15 Feb 2012 05:33:25 +0000

Its unfortunately that Java Swing does not include a feature to show the line number for each row on a JTable. This would be similar to the line numbers shown in a spreadsheet application. Fortunately, Swing’s flexibility and extensibility allows …

Stop hardcoding column numbers in your TableModel

Jim — Sun, 12 Feb 2012 18:57:01 +0000

If you always been using column numbers when implementing your TableModel, you’ll know that it a burden when you have to change the order of the columns. If you normally do the following in your TableModel implementation: @Override public String …

How to create a multi-line column header

Jim — Tue, 07 Feb 2012 05:14:56 +0000

If you didn’t already know, you can embed simple HTML inside all Swing text components including JLabel. The default renderer for a the column header is a JLabel component. In order to create a multiple row header, simply use HTML …

An easier way to parse a CSV file

Jim — Fri, 03 Feb 2012 04:44:42 +0000

I personally use the opencsv library to parse csv (comma separated value) files. It is a simple and powerful library with a commercial-friendly license. You can use it to directly parse a CSV file, or use its JavaBean binding feature. …

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Opening files with native applications across multiple platforms

Jim — Fri, 20 Jan 2012 04:29:40 +0000

I was working on a project, which required the ability to export the contents of the table as a Microsoft Excel file. After saving the file, the file had to be open immediately by Microsoft Excel. However this is multi-platform …

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Do more with JPopupMenu

Jim — Wed, 11 Jan 2012 03:52:38 +0000

Java Swing’s JPopupMenu is very versatile for displaying any type of information. It can be used for more than just display a popup menu. JPopupMenu inherits all the features of java.awt.Container including the ability to set a LayoutManager and add …

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Improving the Swing GUI with seamless textured background images

Jim — Fri, 10 Jun 2011 03:44:02 +0000

With the simple use of seamless textured background images, you can make a dramatic improvement in the appearance of your Swing GUI. Seamless textures are great because you can tile them horizontally and vertically to fit any component size. Here …

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Focus Tracker Demo

Jim — Mon, 16 May 2011 03:36:28 +0000

I just finished writing a library to track the focus of each focusable component. The focus is highlighted with an outline created by four brackets around the focused component. Check out the video to see it in action. Related posts: …

Display a JList with a Background Image

Display a JList with a Background Image

Jim — Wed, 02 Feb 2011 19:48:08 +0000

Ever wanted to use an image as a background of your JList component? Unfortunately the Swing library does not provide a simple method to set a image as a background. In order to do so, you are force to do …

Free commercial friendly icon library

Jim — Fri, 09 Jul 2010 03:12:05 +0000

Open Icon Library is a collection of free commercial software friendly icons in PNG and SVG formats. The collection have over 5000 unique icons. I can’t want to get my hands on the SVG version and convert them into Java …

68 Vector-based Java Icons

68 Vector-based Java Icons

Jim — Fri, 02 Jul 2010 22:32:48 +0000

I was searching for some icons to use in my Swing GUI program and came across the Tango Desktop Project. It is an icon library for free and open source software. Instead of just taking the icon images from the …

JTable Mastery: convertColumnIndexToModel

Jim — Tue, 25 May 2010 04:19:56 +0000

Study the code below. There is something wrong with it! Can you guess what it is? public class JTableViewToModelColumn { public static void main(String[] args) { JFrame f = new JFrame("View To Model Column Example"); final DefaultTableModel model = new …

How to add a Gradient Background to any JComponent

Jim — Wed, 28 Apr 2010 02:50:28 +0000

Almost every “web 2.0″ application have a cool linear gradient background instead of the plain old boring single color solid background. Adding a gradient background to your application is very simple with only a few lines of additional code. In …

Command Chaining: From JQuery to Swing

Jim — Thu, 22 Apr 2010 23:00:30 +0000

JQuery is my favorite Javascript library for developing web-based applications. One of the things I really like is the ability chain commands together to reduce the code size. Here is an example from JQuery to hide and add an event …

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How to create a Callout Border

Jim — Sat, 10 Apr 2010 00:19:50 +0000

Use power of Java2D to create a Callout Border

4 Ways to Capture a Screenshot

Jim — Tue, 30 Mar 2010 04:00:02 +0000

The ability to create a screenshot programmatically in Java code can be very useful. I personally use it to create my animated transitions. Here are 4 ways to create a screenshot in Java. 1. Capture the entire screen. public BufferedImage …

Java Swing better than JavaFX?

Jim — Sat, 27 Mar 2010 02:46:00 +0000

Bjorn Roche wrote about a JavaFX project that was dropped in favor of using Swing inside an Applet. Some reasons for the failures were immature APIs, stability and performance. These are the risk you take when adopting new technologies and …

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How to format numbers in a JTable with a NumberCellRenderer

Jim — Thu, 25 Mar 2010 17:07:11 +0000

Learn how to create your own JTable CellRenderer to format numbers using the DecimalFormat class.

Why adopt a Rich Client Platform (RCP)?

Jim — Wed, 24 Mar 2010 14:55:50 +0000

Find out why you should use a Rich Client Platform.

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How to create a custom Swing Border

Jim — Thu, 14 Jan 2010 03:50:04 +0000

Eventually every Swing developer comes to a point where the borders packaged with Java Swing is considered too plain. Either you will be googling for your next border or you become adventurous and create your own border. This tutorial is …