You obviously didn’t read the links provided in your previous question. From the Printing section of How to use Tables Printing JTable provides a simple API for printing tables. The easiest way to print out a table is to invoke JTable.print with no arguments: try { if (! table.print()) { System.err.println(“User cancelled printing”); } } … Read more
JFileChooser is compound JComponent, you can extract JButtons, JToggleButtons and JScrollPane with JViewPort that contains JList, please download Darryl’s Swing Utils , read descriptions, then run (Darryl’s) code, result is selection for JList or JTable (I voting for that) import java.awt.Color; import java.awt.Graphics; import javax.swing.*; import javax.swing.plaf.metal.MetalButtonUI; public class CrazyFileChooser { public static void main(String[] … Read more
On Mac OS, the default behavior of the UI delegate, com.apple.laf.AquaTextFieldF, is similar to CaretPositionListener: Tab or Shift–Tab: place the caret at the beginning of the field. Click: briefly place the caret at the beginning of the field and then move it to the click point. IMO, the CaretPositionListener does the latter much more smoothly. … Read more
You don’t need to extend JFrame and in fact many of us who do a lot of Swing programming make it a point not to extend this class. Myself, I try to extend classes where I plan on altering the innate behavior of the class — i.e., override one of the non-static methods of the … Read more
You might need a translucent frame without decorations. Quick demo OSX ] You can take advantage JLabel displays simple HTML import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.text.*; import java.util.Date; import java.lang.reflect.Method; import java.lang.reflect.InvocationTargetException; /** * Simple demo on how a translucent window * looks like when is used to display the system clock. * … Read more
Your while (true) is blocking the Swing event thread putting the application to sleep. For simple animation and game loop, use a Swing Timer. If you have long running code that needs to be in the background, then use a background thread such as a SwingWorker, but taking care to make sure that all calls … Read more
You might be able to adapt this Swing based Launcher that uses ProcessBuilder to run programs in a separate JVM. package gui; import java.awt.EventQueue; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.IOException; import javax.swing.BorderFactory; import javax.swing.BoxLayout; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; /** * @see http://stackoverflow.com/a/5696404/230513 */ public class Launcher extends … Read more
One approach might be to convert each Shape to a GeneralPath as the Shape is added to the panel. Now the dragging logic only needs to support a single class that implements the Shape interface: import java.awt.*; import java.awt.event.*; import java.awt.geom.*; import java.util.*; import javax.swing.*; public class ShapePanel extends JPanel { private ArrayList<ColoredShape> coloredShapes = … Read more
Any Component can have a MouseListener. JLabel is nice for a colored rectangle, as long as you make it opaque. Addendum: Having recommended MouseAdapter elsewhere, I should mention that one instance is enough. Addendum: This update adds the mouse listener in the ColorLabel constructor. import java.awt.Color; import java.awt.Dimension; import java.awt.EventQueue; import java.awt.GridLayout; import java.awt.event.MouseAdapter; import … Read more
You can use JFormattedTextField with SimpleDateFormat DateFormat format = new SimpleDateFormat(“your_format”); JFormattedTextField dateTextField = new JFormattedTextField(format);