import java.awt.*;
import oracle.jdeveloper.layout.*;
import java.awt.event.*;

public class Validations extends Frame {
  XYLayout xYLayout1 = new XYLayout();
   public Label l_UserName = new Label();
  TextField tf_UserName = new TextField();
  Label l_Increments = new Label();
  TextField tf_Increments = new TextField();
  Button Save = new Button();


  public Validations() {
    super();
    try  {
      jbInit();
    }
    catch (Exception e) {
      e.printStackTrace();
    }
  }

  private void jbInit() throws Exception {
    this.setTitle("Validation Frame");
    this.addWindowListener(new java.awt.event.WindowAdapter() {
      public void windowClosing(WindowEvent e) {
        this_windowClosing(e);
      }
    });
    l_UserName.setText("User Name");
    l_Increments.setText("Increments");
    Save.setLabel("Save");
    Save.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        Save_actionPerformed(e);
      }
    });
    tf_Increments.addKeyListener(new java.awt.event.KeyAdapter() {
      public void keyTyped(KeyEvent e) {
        tf_Increments_keyTyped(e);
      }
    });
    this.setLayout(xYLayout1);
    this.setSize(new Dimension(400, 300));
    this.setBackground(SystemColor.control);
    this.add(l_UserName, new XYConstraints(14, 48, 73, 25));
    this.add(tf_UserName, new XYConstraints(134, 54, 102, 29));
    this.add(l_Increments, new XYConstraints(17, 117, 79, 31));
    this.add(tf_Increments, new XYConstraints(143, 113, 106, 32));
    this.add(Save, new XYConstraints(109, 197, 66, 23));
  }

  void this_windowClosing(WindowEvent e) {
           System.exit(0);
  }




  void tf_Increments_keyTyped(KeyEvent e) {

         char ch=e.getKeyChar();
         if(!('0'<= ch &&  ch<='9'))
                  e.consume();

  }



  void Save_actionPerformed(ActionEvent e) {
            String arg=e.getActionCommand();

   if(arg=="Save")
        {  String arg1=tf_UserName.getText();
           String arg2=tf_Increments.getText();
           System.out.println(""+arg1);
           System.out.println(""+arg2);
                if(arg1.length()==0 )
                 {    System.out.println("In Save_actionPerformed");
                      EDialog ED=new EDialog(this,"Error",true,l_UserName.getText());
                      System.out.println(""+l_UserName.getText());
                      tf_UserName.requestFocus();
                      ED.show();
                     // tf_UserName.getFocus();
                   }
                   else if(arg2.length()==0)
                  {     EDialog ED=new EDialog(this,"Error",true,l_Increments.getText());
                          tf_Increments.requestFocus(); 
                         ED.show();
                    }

                     }
         }
  }