/*******************************************************************************
* Copyright (c) 2000, 2008 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jsch.internal.ui;
import org.eclipse.jface.dialogs.*;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.*;
import org.eclipse.ui.PlatformUI;
/**
* A dialog for prompting for a user name and password
*/
public class UserValidationDialog extends TrayDialog {
// widgets
protected Text usernameField;
protected Text passwordField;
protected Button allowCachingButton;
protected String domain;
protected String defaultUsername;
protected String password = null;
protected boolean allowCaching = false;
protected Image keyLockImage;
// whether or not the user name can be changed
protected boolean isUsernameMutable = true;
protected String username = null;
protected String message = null;
/**
* Creates a new UserValidationDialog.
*
* @param parentShell the parent shell
* @param location the location
* @param defaultName the default user name
* @param message a message to display to the user
*/
public UserValidationDialog(Shell parentShell, String location, String defaultName, String message) {
super(parentShell);
setShellStyle(getShellStyle() | SWT.RESIZE);
this.defaultUsername = defaultName;
this.domain = location;
this.message = message;
}
/**
* @see Window#configureShell
*/
protected void configureShell(Shell newShell) {
super.configureShell(newShell);
newShell.setText(Messages.UserValidationDialog_0);
// set F1 help
PlatformUI.getWorkbench().getHelpSystem().setHelp(newShell, IHelpContextIds.USER_VALIDATION_DIALOG);
}
/**
* @see Window#create
*/
public void create() {
super.create();
// add some default values
usernameField.setText(defaultUsername);
if (isUsernameMutable) {
// give focus to user name field
usernameField.selectAll();
usernameField.setFocus();
} else {
usernameField.setEditable(false);
passwordField.setFocus();
}
}
/**
* @see Dialog#createDialogArea
*/
protected Control createDialogArea(Composite parent) {
Composite top = new Composite(parent, SWT.NONE);
GridLayout layout = new GridLayout();
layout.numColumns = 2;
top.setLayout(layout);
top.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
Composite imageComposite = new Composite(top, SWT.NONE);
layout = new GridLayout();
imageComposite.setLayout(layout);
imageComposite.setLayoutData(new GridData(GridData.FILL_VERTICAL));
Composite main = new Composite(top, SWT.NONE);
layout = new GridLayout();
layout.numColumns = 3;
main.setLayout(layout);
main.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
Label imageLabel = new Label(imageComposite, SWT.NONE);
keyLockImage = ImageDescriptor.createFromURL(JSchUIPlugin.getPlugin().getImageUrl(IUIConstants.IMG_KEY_LOCK)).createImage();
imageLabel.setImage(keyLockImage);
GridData data = new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL);
imageLabel.setLayoutData(data);
if (message != null) {
Label messageLabel = new Label(main, SWT.WRAP);
messageLabel.setText(message);
data = new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL);
data.horizontalSpan = 3;
data.widthHint = 300;
messageLabel.setLayoutData(data);
}
if (domain != null) {
Label d = new Label(main, SWT.WRAP);
d.setText(Messages.UserValidationDialog_1);
data = new GridData();
d.setLayoutData(data);
Label label = new Label(main, SWT.WRAP);
label.setText(domain);
data = new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL);
data.horizontalSpan = 2;
data.widthHint = 300;
label.setLayoutData(data);
}
createUsernameFields(main);
createPasswordFields(main);
if(domain != null) {
allowCachingButton = new Button(main, SWT.CHECK);
allowCachingButton.setText(Messages.UserValidationDialog_2);
data = new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL);
data.horizontalSpan = 3;
allowCachingButton.setLayoutData(data);
allowCachingButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
allowCaching = allowCachingButton.getSelection();
}
});
}
Dialog.applyDialogFont(parent);
return main;
}
/**
* Creates the three widgets that represent the password entry area.
*
* @param parent the parent of the widgets
*/
protected void createPasswordFields(Composite parent) {
new Label(parent, SWT.NONE).setText(Messages.UserValidationDialog_4);
passwordField = new Text(parent, SWT.BORDER | SWT.PASSWORD);
GridData data = new GridData(GridData.FILL_HORIZONTAL);
data.horizontalSpan = 2;
data.widthHint = convertHorizontalDLUsToPixels(IDialogConstants.ENTRY_FIELD_WIDTH);
passwordField.setLayoutData(data);
}
/**
* Creates the three widgets that represent the user name entry area.
*
* @param parent the parent of the widgets
*/
protected void createUsernameFields(Composite parent) {
new Label(parent, SWT.NONE).setText(Messages.UserValidationDialog_5);
usernameField = new Text(parent, SWT.BORDER);
GridData data = new GridData(GridData.FILL_HORIZONTAL);
data.horizontalSpan = 2;
data.widthHint = convertHorizontalDLUsToPixels(IDialogConstants.ENTRY_FIELD_WIDTH);
usernameField.setLayoutData(data);
}
/**
* Returns the password entered by the user, or null
* if the user canceled.
*
* @return the entered password
*/
public String getPassword() {
return password;
}
/**
* Returns the user name entered by the user, or null
* if the user canceled.
*
* @return the entered user name
*/
public String getUsername() {
return username;
}
/**
* Returns <code>true</code> if the save password checkbox was selected.
* @return <code>true</code> if the save password checkbox was selected and <code>false</code>
* otherwise.
*/
public boolean getAllowCaching() {
return allowCaching;
}
/**
* Notifies that the ok button of this dialog has been pressed.
* <p>
* The default implementation of this framework method sets
* this dialog's return code to <code>Window.OK</code>
* and closes the dialog. Subclasses may override.
* </p>
*/
protected void okPressed() {
password = passwordField.getText();
username = usernameField.getText();
super.okPressed();
}
protected void cancelPressed(){
password = null;
username = null;
super.cancelPressed();
}
/**
* Sets whether or not the user name field should be mutable.
* This method must be called before create(), otherwise it
* will be ignored.
*
* @param value whether the user name is mutable
*/
public void setUsernameMutable(boolean value) {
isUsernameMutable = value;
}
/* (non-Javadoc)
* @see org.eclipse.jface.dialogs.Dialog#close()
*/
public boolean close() {
if(keyLockImage != null) {
keyLockImage.dispose();
}
return super.close();
}
}
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