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JTextField Horizontal Alignment Example

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  1. /*
  2.         JTextField Horizontal Alignment Example
  3.         This java example shows how to get or set horizontal alignment of
  4.         JTextField's text using Java Swing JTextField class.
  5. */
  6.  
  7.  
  8. import java.awt.FlowLayout;
  9. import javax.swing.JApplet;
  10. import javax.swing.JTextField;
  11.  
  12. /*
  13. <applet code="JTextFieldHorizontalAlignmentExample" width=200 height=200>
  14. </applet>
  15. */
  16.  
  17. public class JTextFieldHorizontalAlignmentExample extends JApplet{
  18.        
  19.         public void init(){
  20.                
  21.                 //set flow layout for the applet
  22.                 this.getContentPane().setLayout(new FlowLayout());
  23.  
  24.                 //create new JTextField
  25.                 JTextField field = new JTextField("JTextField Horizontal Alignment Example", 10);
  26.                
  27.                 /*
  28.                  * To get horizontal alignment of JTextBox's text use,
  29.                  * int getHorizontalAlignment()
  30.                  * method of JTextField class.
  31.                  *
  32.                  * Return value is one of the following values,
  33.                  * JTextField.LEFT, JTextField.CENTER, JTextField.RIGHT
  34.                  * JTextField.LEADING, Or JTextField.TRAILING
  35.                  */
  36.                
  37.                 int horizontalAlignment = field.getHorizontalAlignment();
  38.                
  39.                 switch(horizontalAlignment){
  40.                
  41.                         case JTextField.LEFT:
  42.                                 field.setText("Left");
  43.                                 break;
  44.                         case JTextField.RIGHT:
  45.                                 field.setText("Right");
  46.                                 break;
  47.                         case JTextField.CENTER:
  48.                                 field.setText("Center");
  49.                                 break;
  50.                         case JTextField.LEADING:
  51.                                 field.setText("Leading");
  52.                                 break;
  53.                         case JTextField.TRAILING:
  54.                                 field.setText("Trailing");
  55.                                 break;
  56.                 }
  57.                 /*
  58.                  * To set horizontal alignment of JTextField's text use,
  59.                  * void setHorizontalAlignment(int alignment)
  60.                  * method of JTextField class.
  61.                  */
  62.                
  63.                 //field.setHorizontalAlignment(JTextField.CENTER);
  64.                
  65.                 add(field);
  66.                
  67.         }
  68. }