Internationalization support

[lgpl/argeo-commons.git] / security / plugins / org.argeo.security.ui / src / main / java / org / argeo / security / ui / dialogs / DefaultLoginDialog.java

diff --git a/security/plugins/org.argeo.security.ui/src/main/java/org/argeo/security/ui/dialogs/DefaultLoginDialog.java b/security/plugins/org.argeo.security.ui/src/main/java/org/argeo/security/ui/dialogs/DefaultLoginDialog.java
index 19affc85431009fd36fedaf348c50da0fa3e3150..97340892d0c62eba0cfdc230bbe82d44fbba996d 100644 (file)
--- a/security/plugins/org.argeo.security.ui/src/main/java/org/argeo/security/ui/dialogs/DefaultLoginDialog.java
+++ b/security/plugins/org.argeo.security.ui/src/main/java/org/argeo/security/ui/dialogs/DefaultLoginDialog.java
@@ -1,16 +1,37 @@
+/*
+ * Copyright (C) 2007-2012 Mathieu Baudier
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.argeo.security.ui.dialogs;
 
 import javax.security.auth.callback.Callback;
+import javax.security.auth.callback.CallbackHandler;
 import javax.security.auth.callback.NameCallback;
 import javax.security.auth.callback.PasswordCallback;
 import javax.security.auth.callback.TextOutputCallback;
 
+import org.argeo.util.LocaleCallback;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.ModifyEvent;
 import org.eclipse.swt.events.ModifyListener;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.events.SelectionListener;
 import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.graphics.Rectangle;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Combo;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Display;
@@ -18,6 +39,7 @@ import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.swt.widgets.Text;
 
+/** Default authentication dialog, to be used as {@link CallbackHandler}. */
 public class DefaultLoginDialog extends AbstractLoginDialog {
 
        public DefaultLoginDialog() {
@@ -29,7 +51,25 @@ public class DefaultLoginDialog extends AbstractLoginDialog {
        }
 
        protected Point getInitialSize() {
-               return new Point(300, 180);
+               return new Point(350, 180);
+       }
+
+       @Override
+       protected Control createContents(Composite parent) {
+               Control control = super.createContents(parent);
+               parent.pack();
+
+               // Move the dialog to the center of the top level shell.
+               Rectangle shellBounds;
+               if (Display.getCurrent().getActiveShell() != null) // RCP
+                       shellBounds = Display.getCurrent().getActiveShell().getBounds();
+               else
+                       shellBounds = Display.getCurrent().getBounds();// RAP
+               Point dialogSize = parent.getSize();
+               int x = shellBounds.x + (shellBounds.width - dialogSize.x) / 2;
+               int y = shellBounds.y + (shellBounds.height - dialogSize.y) / 2;
+               parent.setLocation(x, y);
+               return control;
        }
 
        protected Control createDialogArea(Composite parent) {
@@ -38,7 +78,7 @@ public class DefaultLoginDialog extends AbstractLoginDialog {
                composite.setLayout(new GridLayout(2, false));
                composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
                createCallbackHandlers(composite);
-               parent.pack();
+               // parent.pack();
                return composite;
        }
 
@@ -47,12 +87,14 @@ public class DefaultLoginDialog extends AbstractLoginDialog {
                for (int i = 0; i < callbacks.length; i++) {
                        Callback callback = callbacks[i];
                        if (callback instanceof TextOutputCallback) {
-                               createTextoutputHandler(composite,
+                               createLabelTextoutputHandler(composite,
                                                (TextOutputCallback) callback);
                        } else if (callback instanceof NameCallback) {
                                createNameHandler(composite, (NameCallback) callback);
                        } else if (callback instanceof PasswordCallback) {
                                createPasswordHandler(composite, (PasswordCallback) callback);
+                       } else if (callback instanceof LocaleCallback) {
+                               createLocaleHandler(composite, (LocaleCallback) callback);
                        }
                }
        }
@@ -68,17 +110,47 @@ public class DefaultLoginDialog extends AbstractLoginDialog {
                passwordText.addModifyListener(new ModifyListener() {
 
                        public void modifyText(ModifyEvent event) {
+                               // FIXME use getTextChars() in Eclipse 3.7
                                callback.setPassword(passwordText.getText().toCharArray());
                        }
                });
        }
 
+       private void createLocaleHandler(Composite composite,
+                       final LocaleCallback callback) {
+               String[] labels = callback.getSupportedLocalesLabels();
+               if (labels.length == 0)
+                       return;
+               Label label = new Label(composite, SWT.NONE);
+               label.setText(callback.getPrompt());
+
+               final Combo combo = new Combo(composite, SWT.READ_ONLY);
+               combo.setItems(labels);
+               combo.select(callback.getDefaultIndex());
+               combo.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
+               combo.addSelectionListener(new SelectionListener() {
+                       @Override
+                       public void widgetSelected(SelectionEvent e) {
+                               callback.setSelectedIndex(combo.getSelectionIndex());
+                       }
+
+                       @Override
+                       public void widgetDefaultSelected(SelectionEvent e) {
+                       }
+               });
+       }
+
        private void createNameHandler(Composite composite,
                        final NameCallback callback) {
                Label label = new Label(composite, SWT.NONE);
                label.setText(callback.getPrompt());
                final Text text = new Text(composite, SWT.SINGLE | SWT.LEAD
                                | SWT.BORDER);
+               if (callback.getDefaultName() != null) {
+                       // set default value, if provided
+                       text.setText(callback.getDefaultName());
+                       callback.setName(callback.getDefaultName());
+               }
                text.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
                text.addModifyListener(new ModifyListener() {
 
@@ -88,8 +160,13 @@ public class DefaultLoginDialog extends AbstractLoginDialog {
                });
        }
 
-       private void createTextoutputHandler(Composite composite,
-                       TextOutputCallback callback) {
+       private void createLabelTextoutputHandler(Composite composite,
+                       final TextOutputCallback callback) {
+               Label label = new Label(composite, SWT.NONE);
+               label.setText(callback.getMessage());
+               GridData data = new GridData(SWT.FILL, SWT.FILL, true, true);
+               data.horizontalSpan = 2;
+               label.setLayoutData(data);
                // TODO: find a way to pass this information
                // int messageType = callback.getMessageType();
                // int dialogMessageType = IMessageProvider.NONE;