/* ********************************************************************** **
** Copyright notice **
** **
** (c) 2005-2009 RSSOwl Development Team **
** http://www.rssowl.org/ **
** **
** 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.rssowl.org/legal/epl-v10.html **
** **
** A copy is found in the file epl-v10.html and important notices to the **
** license from the team is found in the textfile LICENSE.txt distributed **
** in this package. **
** **
** This copyright notice MUST APPEAR in all copies of the file! **
** **
** Contributors: **
** RSSOwl Development Team - initial API and implementation **
** **
** ********************************************************************** */
package org.rssowl.ui.internal.dialogs;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.TitleAreaDialog;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.resource.LocalResourceManager;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.GridData;
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;
import org.rssowl.core.Owl;
import org.rssowl.core.connection.CredentialsException;
import org.rssowl.core.connection.ICredentials;
import org.rssowl.core.connection.ICredentialsProvider;
import org.rssowl.core.util.StringUtils;
import org.rssowl.core.util.URIUtils;
import org.rssowl.ui.internal.Activator;
import org.rssowl.ui.internal.OwlUI;
import org.rssowl.ui.internal.util.LayoutUtils;
import java.net.URI;
/**
* Dialog to accept credentials. Still work in progress!
* <p>
* TODO: Add ability to not store credentials permanently.
* </p>
*
* @author bpasero
*/
public class LoginDialog extends TitleAreaDialog {
/* Divider between Protocol and Host */
private static final String PROTOCOL_SEPARATOR = "://"; //$NON-NLS-1$
private final LocalResourceManager fResources;
private final URI fLink;
private Text fUsername;
private Text fPassword;
private final ICredentialsProvider fCredProvider;
private final String fRealm;
private String fHeader;
private String fSubline;
private ImageDescriptor fTitleImageDescriptor;
/**
* @param parentShell
* @param link
* @param realm
*/
public LoginDialog(Shell parentShell, URI link, String realm) {
super(parentShell);
fLink = link;
fRealm = realm;
fResources = new LocalResourceManager(JFaceResources.getResources());
fCredProvider = Owl.getConnectionService().getCredentialsProvider(link);
}
/**
* @param header the header message of the dialog.
*/
public void setHeader(String header) {
fHeader = header;
}
/**
* @param subline the subline message below the header of the dialog.
*/
public void setSubline(String subline) {
fSubline = subline;
}
/**
* @param titleImageDescriptor the image to use in the title.
*/
public void setTitleImageDescriptor(ImageDescriptor titleImageDescriptor) {
fTitleImageDescriptor = titleImageDescriptor;
}
/*
* @see org.eclipse.jface.dialogs.TitleAreaDialog#close()
*/
@Override
public boolean close() {
fResources.dispose();
return super.close();
}
/*
* @see org.eclipse.jface.dialogs.Dialog#buttonPressed(int)
*/
@Override
protected void buttonPressed(int buttonId) {
/* User pressed OK Button */
if (buttonId == IDialogConstants.OK_ID) {
final String username = fUsername.getText();
final String password = fPassword.getText();
ICredentials credentials = new ICredentials() {
public String getDomain() {
return null;
}
public String getPassword() {
return password;
}
public String getUsername() {
return username;
}
};
try {
if (fCredProvider != null) {
/* Store for URI */
fCredProvider.setAuthCredentials(credentials, fLink, null);
/* Also store for Realm */
if (fRealm != null)
fCredProvider.setAuthCredentials(credentials, URIUtils.normalizeUri(fLink, true), fRealm);
}
} catch (CredentialsException e) {
Activator.getDefault().getLog().log(e.getStatus());
}
}
super.buttonPressed(buttonId);
}
/*
* @see org.eclipse.jface.window.Window#configureShell(org.eclipse.swt.widgets.Shell)
*/
@Override
protected void configureShell(Shell shell) {
super.configureShell(shell);
shell.setText(Messages.LoginDialog_FEED_REQUIRES_AUTH);
}
/*
* @see org.eclipse.jface.dialogs.TitleAreaDialog#createDialogArea(org.eclipse.swt.widgets.Composite)
*/
@Override
protected Control createDialogArea(Composite parent) {
/* Separator */
new Label(parent, SWT.SEPARATOR | SWT.HORIZONTAL).setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
/* Composite to hold all components */
Composite composite = new Composite(parent, SWT.NONE);
composite.setLayout(LayoutUtils.createGridLayout(2, 5, 10));
composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
/* Title */
setTitle(StringUtils.isSet(fHeader) ? fHeader : Messages.LoginDialog_LOGIN);
/* Title Image */
if (fTitleImageDescriptor != null)
setTitleImage(OwlUI.getImage(fResources, fTitleImageDescriptor));
else
setTitleImage(OwlUI.getImage(fResources, "icons/wizban/auth.gif")); //$NON-NLS-1$
/* Title Message */
if (StringUtils.isSet(fSubline))
setMessage(fSubline);
else if (fRealm != null)
setMessage(NLS.bind(Messages.LoginDialog_ENTER_USER_PW_REALM, fRealm));
else
setMessage(Messages.LoginDialog_ENTER_USER_PW);
/* Spacer */
new Label(composite, SWT.NONE);
/* Host to authenticate to */
Label hostLabel = new Label(composite, SWT.WRAP);
hostLabel.setLayoutData(new GridData(SWT.BEGINNING, SWT.BEGINNING, false, false));
/* Read Protocol */
StringBuilder hostLabelValue = new StringBuilder();
if (StringUtils.isSet(fLink.getScheme()))
hostLabelValue.append(fLink.getScheme()).append(PROTOCOL_SEPARATOR);
/* Read Host */
hostLabelValue.append(URIUtils.safeGetHost(fLink));
/* Show Value */
hostLabel.setText(hostLabelValue.toString());
/* Username Label */
Label usernameLabel = new Label(composite, SWT.NONE);
usernameLabel.setText(Messages.LoginDialog_USERNAME);
usernameLabel.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, false));
/* Username input field */
fUsername = new Text(composite, SWT.SINGLE | SWT.BORDER);
fUsername.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
fUsername.setFocus();
/* Password Label */
Label passwordLabel = new Label(composite, SWT.NONE);
passwordLabel.setText(Messages.LoginDialog_PASSWORD);
passwordLabel.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, false));
/* Password input field */
fPassword = new Text(composite, SWT.SINGLE | SWT.BORDER | SWT.PASSWORD);
fPassword.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
/* Separator */
Label separator = new Label(parent, SWT.SEPARATOR | SWT.HORIZONTAL);
separator.setLayoutData(new GridData(SWT.FILL, SWT.END, true, true));
/* Try loading Credentials from Platform if available */
preload();
applyDialogFont(composite);
return composite;
}
private void preload() {
ICredentials authCredentials = null;
try {
/* First try with full URI */
if (fCredProvider != null)
authCredentials = fCredProvider.getAuthCredentials(fLink, fRealm);
/* Second try with Host / Port / Realm */
if (fCredProvider != null && fRealm != null && authCredentials == null)
authCredentials = fCredProvider.getAuthCredentials(URIUtils.normalizeUri(fLink, true), fRealm);
} catch (CredentialsException e) {
Activator.getDefault().getLog().log(e.getStatus());
}
if (authCredentials != null) {
String username = authCredentials.getUsername();
String password = authCredentials.getPassword();
if (StringUtils.isSet(username)) {
fUsername.setText(username);
fUsername.selectAll();
}
if (StringUtils.isSet(password))
fPassword.setText(password);
}
}
/*
* @see org.eclipse.jface.window.Window#getShellStyle()
*/
@Override
protected int getShellStyle() {
int style = SWT.TITLE | SWT.BORDER | SWT.APPLICATION_MODAL | SWT.CLOSE | getDefaultOrientation();
return style;
}
/*
* @see org.eclipse.jface.dialogs.Dialog#initializeBounds()
*/
@Override
protected void initializeBounds() {
super.initializeBounds();
Shell shell = getShell();
/* Minimum Size */
int minWidth = convertHorizontalDLUsToPixels(OwlUI.MIN_DIALOG_WIDTH_DLU);
int minHeight = shell.computeSize(minWidth, SWT.DEFAULT).y;
/* Required Size */
Point requiredSize = shell.computeSize(SWT.DEFAULT, SWT.DEFAULT);
shell.setSize(Math.max(minWidth, requiredSize.x), Math.max(minHeight, requiredSize.y));
LayoutUtils.positionShell(shell);
}
}