Swing Section Index | Page 6

Renderers are simply "rubber stamps" that are used to paint a cell in a table. They are not live components. You can deal with the mouse events in two ways: Add a mouse listener to the table it...more

To get a list of all components in a JFrame, you could need to write a recursive method like the following: public void getAllComponents(Component c, Collection collection) { collection.add(c)...more

You can listen for Changes in selection in the table. When the user switches cells, the selection changes (you would need to be sure your cell editor actually does change selection if you're usi...more

You need to make sure you fire the appropriate events from your tree model after updating the tree. The JTree will wait for update notification before changing its display. This allows you to add...more

ImageIcon is not a java.awt.Component subclass thus you cannot resize it directly. You have to use the following variant of java.awt.Graphics.drawImage - public abstract boolean drawImage(Image i...more

AWT/Swing does its repaints only on what are called AWT threads. Therefore you should do the long running processing on background thread (not the thread on which you are handling callbacks from A...more

You need to explicitly call System.exit(exit_value) to exit a Swing application. This is because the event dispatcher thread is not a Daemon thread, and won't allow the JVM to shut down when othe...more

These are found in the dt.jar file that comes with the JDK. They are NOT in your CLASSPATH by default.

[FAQ Manager Note] While the following won't give you JTree compatability out of the box, you have two choices: Create a wrapper component for a JHotDraw drawing that has a similar interface as J...more

Without special support, you cannot. You may want to look at http://www.windsong.demon.co.uk/javadocs/com.ravnaandtines.util.swing.JExternalFrame.html which gives you pretty much full control. Yo...more

Here is a sample for you. import javax.swing.*; import java.awt.*; import javax.swing.text.*; public class TpHighlight extends JFrame { String tf_str="Hello this is a demo for High Lighting...more

The first three digits of an SSN map to the location where the number was requested. The Social Security Administration maintains a list of valid digit mappings at http://www.ssa.gov/foia/stateweb...more

How can I provide word completion functionality in a JComboBox? (When the user enters characters then the closest matching item should be selected)

Where can I learn (more) about dealing with 2D (two dimensional) and 3D (three dimensional) images, sound, speech, telelphony, and the rest of Java's support for advanced media handling?

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