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User name Password Dialog

/* SWT/JFace in Action GUI Design with Eclipse 3.0 Matthew Scarpino, Stephen Holder, Stanford Ng, and Laurent Mihalkovic ISBN: 1932394273 Publisher: Manning */ import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.swt.SWT; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; public class UsernamePasswordDialog extends Dialog {   private static final int RESET_ID = IDialogConstants.NO_TO_ALL_ID + 1;   private Text usernameField;   private Text passwordField;   public UsernamePasswordDialog(Shell parentShell) {     super(parentShell);   }   protected Control createDialogArea(Composite parent) {     Composite comp = (Composite) super.createDialogArea(parent);     GridLayout layout = (GridLayout) comp.getLayout();     layout.numColumns = 2;     Label usernameLabel = new Label(comp, SWT.RIGHT);     usernameLabel.setText("Username: ");     usernameField = new Text(comp, SWT.SINGLE);     GridData data = new GridData(GridData.FILL_HORIZONTAL);     usernameField.setLayoutData(data);     Label passwordLabel = new Label(comp, SWT.RIGHT);     passwordLabel.setText("Password: ");     passwordField = new Text(comp, SWT.SINGLE | SWT.PASSWORD);     data = new GridData(GridData.FILL_HORIZONTAL);     passwordField.setLayoutData(data);     return comp;   }   protected void createButtonsForButtonBar(Composite parent) {     super.createButtonsForButtonBar(parent);     createButton(parent, RESET_ID, "Reset All", false);   }   protected void buttonPressed(int buttonId) {     if (buttonId == RESET_ID) {       usernameField.setText("");       passwordField.setText("");     } else {       super.buttonPressed(buttonId);     }   } }