Major refactoring of Argeo CMS UI
[lgpl/argeo-commons.git] / org.argeo.cms.ui / src / org / argeo / cms / ui / widgets / auth / CmsLogin.java
diff --git a/org.argeo.cms.ui/src/org/argeo/cms/ui/widgets/auth/CmsLogin.java b/org.argeo.cms.ui/src/org/argeo/cms/ui/widgets/auth/CmsLogin.java
deleted file mode 100644 (file)
index 51c0ab4..0000000
+++ /dev/null
@@ -1,335 +0,0 @@
-package org.argeo.cms.ui.widgets.auth;
-
-import static org.argeo.cms.CmsMsg.password;
-import static org.argeo.cms.CmsMsg.username;
-
-import java.io.IOException;
-import java.util.List;
-import java.util.Locale;
-
-import javax.security.auth.Subject;
-import javax.security.auth.callback.Callback;
-import javax.security.auth.callback.CallbackHandler;
-import javax.security.auth.callback.LanguageCallback;
-import javax.security.auth.callback.NameCallback;
-import javax.security.auth.callback.PasswordCallback;
-import javax.security.auth.callback.UnsupportedCallbackException;
-import javax.security.auth.login.LoginContext;
-import javax.security.auth.login.LoginException;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.argeo.api.NodeConstants;
-import org.argeo.api.NodeState;
-import org.argeo.cms.CmsMsg;
-import org.argeo.cms.LocaleUtils;
-import org.argeo.cms.auth.HttpRequestCallback;
-import org.argeo.cms.ui.CmsStyles;
-import org.argeo.cms.ui.CmsView;
-import org.argeo.cms.ui.internal.Activator;
-import org.argeo.cms.ui.util.CmsUiUtils;
-import org.argeo.eclipse.ui.specific.UiContext;
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.events.MouseAdapter;
-import org.eclipse.swt.events.MouseEvent;
-import org.eclipse.swt.events.SelectionAdapter;
-import org.eclipse.swt.events.SelectionEvent;
-import org.eclipse.swt.events.SelectionListener;
-import org.eclipse.swt.events.TraverseEvent;
-import org.eclipse.swt.events.TraverseListener;
-import org.eclipse.swt.layout.GridData;
-import org.eclipse.swt.layout.GridLayout;
-import org.eclipse.swt.widgets.Button;
-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 CmsLogin implements CmsStyles, CallbackHandler {
-       private final static Log log = LogFactory.getLog(CmsLogin.class);
-
-       private Composite parent;
-       private Text usernameT, passwordT;
-       private Composite credentialsBlock;
-       private final SelectionListener loginSelectionListener;
-
-       private final Locale defaultLocale;
-       private LocaleChoice localeChoice = null;
-
-       private final CmsView cmsView;
-
-       // optional subject to be set explicitly
-       private Subject subject = null;
-
-       public CmsLogin(CmsView cmsView) {
-               this.cmsView = cmsView;
-               NodeState nodeState = Activator.getNodeState();
-               if (nodeState != null) {
-                       defaultLocale = nodeState.getDefaultLocale();
-                       List<Locale> locales = nodeState.getLocales();
-                       if (locales != null)
-                               localeChoice = new LocaleChoice(locales, defaultLocale);
-               } else {
-                       defaultLocale = Locale.getDefault();
-               }
-               loginSelectionListener = new SelectionListener() {
-                       private static final long serialVersionUID = -8832133363830973578L;
-
-                       @Override
-                       public void widgetSelected(SelectionEvent e) {
-                               login();
-                       }
-
-                       @Override
-                       public void widgetDefaultSelected(SelectionEvent e) {
-                       }
-               };
-       }
-
-       protected boolean isAnonymous() {
-               return cmsView.isAnonymous();
-       }
-
-       public final void createUi(Composite parent) {
-               this.parent = parent;
-               createContents(parent);
-       }
-
-       protected void createContents(Composite parent) {
-               defaultCreateContents(parent);
-       }
-
-       public final void defaultCreateContents(Composite parent) {
-               parent.setLayout(CmsUiUtils.noSpaceGridLayout());
-               Composite credentialsBlock = createCredentialsBlock(parent);
-               if (parent instanceof Shell) {
-                       credentialsBlock.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, true, true));
-               }
-       }
-
-       public final Composite createCredentialsBlock(Composite parent) {
-               if (isAnonymous()) {
-                       return anonymousUi(parent);
-               } else {
-                       return userUi(parent);
-               }
-       }
-
-       public Composite getCredentialsBlock() {
-               return credentialsBlock;
-       }
-
-       protected Composite userUi(Composite parent) {
-               Locale locale = localeChoice == null ? this.defaultLocale : localeChoice.getSelectedLocale();
-               credentialsBlock = new Composite(parent, SWT.NONE);
-               credentialsBlock.setLayout(new GridLayout());
-               // credentialsBlock.setLayoutData(CmsUiUtils.fillAll());
-
-               specificUserUi(credentialsBlock);
-
-               Label l = new Label(credentialsBlock, SWT.NONE);
-               CmsUiUtils.style(l, CMS_USER_MENU_ITEM);
-               l.setText(CmsMsg.logout.lead(locale));
-               GridData lData = CmsUiUtils.fillWidth();
-               lData.widthHint = 120;
-               l.setLayoutData(lData);
-
-               l.addMouseListener(new MouseAdapter() {
-                       private static final long serialVersionUID = 6444395812777413116L;
-
-                       public void mouseDown(MouseEvent e) {
-                               logout();
-                       }
-               });
-               return credentialsBlock;
-       }
-
-       /** To be overridden */
-       protected void specificUserUi(Composite parent) {
-
-       }
-
-       protected Composite anonymousUi(Composite parent) {
-               Locale locale = localeChoice == null ? this.defaultLocale : localeChoice.getSelectedLocale();
-               // We need a composite for the traversal
-               credentialsBlock = new Composite(parent, SWT.NONE);
-               credentialsBlock.setLayout(new GridLayout());
-               // credentialsBlock.setLayoutData(CmsUiUtils.fillAll());
-               CmsUiUtils.style(credentialsBlock, CMS_LOGIN_DIALOG);
-
-               Integer textWidth = 120;
-               if (parent instanceof Shell)
-                       CmsUiUtils.style(parent, CMS_USER_MENU);
-               // new Label(this, SWT.NONE).setText(CmsMsg.username.lead());
-               usernameT = new Text(credentialsBlock, SWT.BORDER);
-               usernameT.setMessage(username.lead(locale));
-               CmsUiUtils.style(usernameT, CMS_LOGIN_DIALOG_USERNAME);
-               GridData gd = CmsUiUtils.fillWidth();
-               gd.widthHint = textWidth;
-               usernameT.setLayoutData(gd);
-
-               // new Label(this, SWT.NONE).setText(CmsMsg.password.lead());
-               passwordT = new Text(credentialsBlock, SWT.BORDER | SWT.PASSWORD);
-               passwordT.setMessage(password.lead(locale));
-               CmsUiUtils.style(passwordT, CMS_LOGIN_DIALOG_PASSWORD);
-               gd = CmsUiUtils.fillWidth();
-               gd.widthHint = textWidth;
-               passwordT.setLayoutData(gd);
-
-               TraverseListener tl = new TraverseListener() {
-                       private static final long serialVersionUID = -1158892811534971856L;
-
-                       public void keyTraversed(TraverseEvent e) {
-                               if (e.detail == SWT.TRAVERSE_RETURN)
-                                       login();
-                       }
-               };
-               credentialsBlock.addTraverseListener(tl);
-               usernameT.addTraverseListener(tl);
-               passwordT.addTraverseListener(tl);
-               parent.setTabList(new Control[] { credentialsBlock });
-               credentialsBlock.setTabList(new Control[] { usernameT, passwordT });
-
-               // Button
-               Button loginButton = new Button(credentialsBlock, SWT.PUSH);
-               loginButton.setText(CmsMsg.login.lead(locale));
-               loginButton.setLayoutData(CmsUiUtils.fillWidth());
-               loginButton.addSelectionListener(loginSelectionListener);
-
-               extendsCredentialsBlock(credentialsBlock, locale, loginSelectionListener);
-               if (localeChoice != null)
-                       createLocalesBlock(credentialsBlock);
-               return credentialsBlock;
-       }
-
-       /**
-        * To be overridden in order to provide custom login button and other links.
-        */
-       protected void extendsCredentialsBlock(Composite credentialsBlock, Locale selectedLocale,
-                       SelectionListener loginSelectionListener) {
-
-       }
-
-       protected void updateLocale(Locale selectedLocale) {
-               // save already entered values
-               String usernameStr = usernameT.getText();
-               char[] pwd = passwordT.getTextChars();
-
-               for (Control child : parent.getChildren())
-                       child.dispose();
-               createContents(parent);
-               if (parent.getParent() != null)
-                       parent.getParent().layout(true, true);
-               else
-                       parent.layout();
-               usernameT.setText(usernameStr);
-               passwordT.setTextChars(pwd);
-       }
-
-       protected Composite createLocalesBlock(final Composite parent) {
-               Composite c = new Composite(parent, SWT.NONE);
-               CmsUiUtils.style(c, CMS_USER_MENU_ITEM);
-               c.setLayout(CmsUiUtils.noSpaceGridLayout());
-               c.setLayoutData(CmsUiUtils.fillAll());
-
-               SelectionListener selectionListener = new SelectionAdapter() {
-                       private static final long serialVersionUID = 4891637813567806762L;
-
-                       public void widgetSelected(SelectionEvent event) {
-                               Button button = (Button) event.widget;
-                               if (button.getSelection()) {
-                                       localeChoice.setSelectedIndex((Integer) event.widget.getData());
-                                       updateLocale(localeChoice.getSelectedLocale());
-                               }
-                       };
-               };
-
-               List<Locale> locales = localeChoice.getLocales();
-               for (Integer i = 0; i < locales.size(); i++) {
-                       Locale locale = locales.get(i);
-                       Button button = new Button(c, SWT.RADIO);
-                       CmsUiUtils.style(button, CMS_USER_MENU_ITEM);
-                       button.setData(i);
-                       button.setText(LocaleUtils.toLead(locale.getDisplayName(locale), locale) + " (" + locale + ")");
-                       // button.addListener(SWT.Selection, listener);
-                       button.addSelectionListener(selectionListener);
-                       if (i == localeChoice.getSelectedIndex())
-                               button.setSelection(true);
-               }
-               return c;
-       }
-
-       protected boolean login() {
-               // TODO use CmsVie in order to retrieve subject?
-               // Subject subject = cmsView.getLoginContext().getSubject();
-               // LoginContext loginContext = cmsView.getLoginContext();
-               try {
-                       //
-                       // LOGIN
-                       //
-                       // loginContext.logout();
-                       LoginContext loginContext;
-                       if (subject == null)
-                               loginContext = new LoginContext(NodeConstants.LOGIN_CONTEXT_USER, this);
-                       else
-                               loginContext = new LoginContext(NodeConstants.LOGIN_CONTEXT_USER, subject, this);
-                       loginContext.login();
-                       cmsView.authChange(loginContext);
-                       return true;
-               } catch (LoginException e) {
-                       if (log.isTraceEnabled())
-                               log.warn("Login failed: " + e.getMessage(), e);
-                       else
-                               log.warn("Login failed: " + e.getMessage());
-
-                       try {
-                               Thread.sleep(3000);
-                       } catch (InterruptedException e2) {
-                               // silent
-                       }
-                       // ErrorFeedback.show("Login failed", e);
-                       return false;
-               }
-               // catch (LoginException e) {
-               // log.error("Cannot login", e);
-               // return false;
-               // }
-       }
-
-       protected void logout() {
-               cmsView.logout();
-               cmsView.navigateTo("~");
-       }
-
-       @Override
-       public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
-               for (Callback callback : callbacks) {
-                       if (callback instanceof NameCallback && usernameT != null)
-                               ((NameCallback) callback).setName(usernameT.getText());
-                       else if (callback instanceof PasswordCallback && passwordT != null)
-                               ((PasswordCallback) callback).setPassword(passwordT.getTextChars());
-                       else if (callback instanceof HttpRequestCallback) {
-                               ((HttpRequestCallback) callback).setRequest(UiContext.getHttpRequest());
-                               ((HttpRequestCallback) callback).setResponse(UiContext.getHttpResponse());
-                       } else if (callback instanceof LanguageCallback) {
-                               Locale toUse = null;
-                               if (localeChoice != null)
-                                       toUse = localeChoice.getSelectedLocale();
-                               else if (defaultLocale != null)
-                                       toUse = defaultLocale;
-
-                               if (toUse != null) {
-                                       ((LanguageCallback) callback).setLocale(toUse);
-                                       UiContext.setLocale(toUse);
-                               }
-
-                       }
-               }
-       }
-
-       public void setSubject(Subject subject) {
-               this.subject = subject;
-       }
-
-}