Java/SWT JFace Eclipse/Password — различия между версиями

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Текущая версия на 05:55, 1 июня 2010

SWT Password

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.ruposite;
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);
    }
  }
}





User Password

/******************************************************************************
 * All Right Reserved. 
 * Copyright (c) 1998, 2004 Jackwind Li Guojie
 * 
 * Created on Feb 17, 2004 9:28:47 PM by JACK
 * $Id$
 * 
 *****************************************************************************/
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
public class UserPassword {
  Display display = new Display();
  Shell shell = new Shell(display);
  
  Text textUser;
  Text textPassword;
  private void init() {
    (new Label(shell, SWT.NULL)).setText("User name: ");
    
    textUser = new Text(shell, SWT.SINGLE | SWT.BORDER);
    textUser.setText("default_user");
    textUser.setTextLimit(16);
    
    (new Label(shell, SWT.NULL)).setText("Password: ");
    
    textPassword = new Text(shell, SWT.SINGLE | SWT.BORDER);
    System.out.println(textPassword.getEchoChar());
    textPassword.setEchoChar("*");
  }  
  
  public UserPassword() {
    shell.setLayout(new GridLayout(2, false));
    
    init();
    
    textUser.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    textPassword.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    
    shell.pack();
    shell.open();
    //textUser.forceFocus();
    // Set up the event loop.
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        // If no more entries in event queue
        display.sleep();
      }
    }
    display.dispose();
  }

  public static void main(String[] args) {
    new UserPassword();
  }
}