Mega Code Archive

 

Categories / Java by API / Javax Swing

 

SpringLayout Constraints

import java.awt.Container; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.Spring; import javax.swing.SpringLayout; public class MainClass {       public static void main(String[] args) {     JFrame aWindow = new JFrame("This is a Spring Layout");     aWindow.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);     aWindow.setSize(500,500);     SpringLayout layout = new SpringLayout();           Container content = aWindow.getContentPane();       content.setLayout(layout);                          JButton[] buttons = new JButton[6];                 SpringLayout.Constraints constr = null;     for(int i = 0; i < buttons.length; i++) {       buttons[i] = new JButton("Press " + (i+1));       content.add(buttons[i]);                         }     Spring xSpring = Spring.constant(5,15,25);         Spring ySpring = Spring.constant(10,30, 50);       constr = layout.getConstraints(buttons[0]);     constr.setX(xSpring);      constr.setY(ySpring);      for(int i = 1 ; i< buttons.length ; i++) {       constr = layout.getConstraints(buttons[i]);       layout.putConstraint(SpringLayout.WEST, buttons[i],                              xSpring,SpringLayout.EAST, buttons[i-1]);           layout.putConstraint(SpringLayout.NORTH, buttons[i],                              ySpring,SpringLayout.SOUTH, buttons[i-1]);     }     aWindow.setVisible(true);                      // Display the window   } }