Delete users + window resize fix.

[ADDED]     Java: support for deleting users.
[FIXED]     Java: Password window resizing issue.

MasterPassword/Java/masterpassword-gui/src/main/java/com/lyndir/masterpassword/gui/ModelAuthenticationPanel.java

@@ -1,5 +1,7 @@
 package com.lyndir.masterpassword.gui;
 
+import static com.lyndir.lhunath.opal.system.util.StringUtils.strf;
+
 import com.google.common.base.Function;
 import com.google.common.base.Preconditions;
 import com.google.common.collect.*;
@@ -128,13 +130,36 @@ public class ModelAuthenticationPanel extends AuthenticationPanel implements Ite
                 } );
                 setToolTipText( "Add a new user to the list." );
             }
+        }, new JButton( Res.iconDelete() ) {
+            {
+                addActionListener( new ActionListener() {
+                    @Override
+                    public void actionPerformed(final ActionEvent e) {
+                        ModelUser deleteUser = getSelectedUser();
+                        if (deleteUser == null)
+                            return;
+
+                        if (JOptionPane.showConfirmDialog( ModelAuthenticationPanel.this, //
+                                                       strf( "Are you sure you want to delete the user and sites remembered for:\n%s.",
+                                                             deleteUser.getFullName() ), //
+                                                       "Delete User", JOptionPane.OK_CANCEL_OPTION, JOptionPane.QUESTION_MESSAGE ) == JOptionPane.CANCEL_OPTION)
+                            return;
+
+                        MPUserFileManager.get().deleteUser( deleteUser.getModel() );
+                        userField.setModel( new DefaultComboBoxModel<>( readConfigUsers() ) );
+                        updateUser( true );
+                    }
+                } );
+                setToolTipText( "Delete the selected user." );
+            }
         }, new JButton( Res.iconQuestion() ) {
             {
                 addActionListener( new ActionListener() {
                     @Override
                     public void actionPerformed(final ActionEvent e) {
                         JOptionPane.showMessageDialog( ModelAuthenticationPanel.this, //
-                                                       "Reads users and sites from the directory at ~/.mpw.d.", //
+                                                       strf( "Reads users and sites from the directory at:\n%s",
+                                                             MPUserFileManager.get().getPath().getAbsolutePath() ), //
                                                        "Help", JOptionPane.INFORMATION_MESSAGE );
                     }
                 } );

MasterPassword/Java/masterpassword-gui/src/main/java/com/lyndir/masterpassword/gui/PasswordFrame.java

@@ -42,7 +42,8 @@ public class PasswordFrame extends JFrame implements DocumentListener {
         this.user = user;
 
         setDefaultCloseOperation( DISPOSE_ON_CLOSE );
-        setContentPane( root = Components.gradientPanel( new BorderLayout( 20, 20 ), Res.colors().frameBg() ) );
+        setContentPane( root = Components.gradientPanel( new FlowLayout(), Res.colors().frameBg() ) );
+        root.setLayout( new BoxLayout( root, BoxLayout.PAGE_AXIS ) );
         root.setBorder( BorderFactory.createEmptyBorder( 20, 20, 20, 20 ) );
 
         // Site
@@ -50,7 +51,7 @@ public class PasswordFrame extends JFrame implements DocumentListener {
         sitePanel.setOpaque( true );
         sitePanel.setBackground( Res.colors().controlBg() );
         sitePanel.setBorder( BorderFactory.createEmptyBorder( 20, 20, 20, 20 ) );
-        add( Components.borderPanel( sitePanel, BorderFactory.createRaisedBevelBorder(), Res.colors().frameBg() ), BorderLayout.CENTER );
+        root.add( Components.borderPanel( sitePanel, BorderFactory.createRaisedBevelBorder(), Res.colors().frameBg() ) );
 
         // User
         sitePanel.add( Components.label( strf( "Generating passwords for: %s", user.getFullName() ), SwingConstants.CENTER ) );
@@ -163,11 +164,12 @@ public class PasswordFrame extends JFrame implements DocumentListener {
         // Tip
         tipLabel = Components.label( " ", SwingConstants.CENTER );
         tipLabel.setAlignmentX( Component.CENTER_ALIGNMENT );
-        JPanel passwordContainer = Components.boxLayout( BoxLayout.PAGE_AXIS, maskPasswordField, passwordField, tipLabel );
+        JPanel passwordContainer = Components.boxLayout( BoxLayout.PAGE_AXIS, maskPasswordField, Box.createGlue(), passwordField, Box.createGlue(), tipLabel );
         passwordContainer.setOpaque( true );
         passwordContainer.setBackground( Color.white );
         passwordContainer.setBorder( BorderFactory.createEmptyBorder( 8, 8, 8, 8 ) );
-        add( Components.borderPanel( passwordContainer, BorderFactory.createLoweredSoftBevelBorder(), Res.colors().frameBg() ),
+        root.add( Box.createVerticalStrut( 8 ) );
+        root.add( Components.borderPanel( passwordContainer, BorderFactory.createLoweredSoftBevelBorder(), Res.colors().frameBg() ),
                   BorderLayout.SOUTH );
 
         pack();

MasterPassword/Java/masterpassword-gui/src/main/java/com/lyndir/masterpassword/gui/Res.java

@@ -85,6 +85,10 @@ public abstract class Res {
         return new RetinaIcon( Resources.getResource( "media/icon_add@2x.png" ) );
     }
 
+    public static Icon iconDelete() {
+        return new RetinaIcon( Resources.getResource( "media/icon_delete@2x.png" ) );
+    }
+
     public static Icon iconQuestion() {
         return new RetinaIcon( Resources.getResource( "media/icon_question@2x.png" ) );
     }

MasterPassword/Java/masterpassword-model/src/main/java/com/lyndir/masterpassword/model/MPUserFileManager.java

@@ -5,6 +5,7 @@ import com.google.common.collect.*;
 import com.google.common.io.CharSink;
 import com.lyndir.lhunath.opal.system.logging.Logger;
 import java.io.*;
+import java.util.SortedSet;
 import javax.annotation.Nullable;
 
 
@@ -70,7 +71,23 @@ public class MPUserFileManager extends MPUserManager {
         } ).filter( Predicates.notNull() );
     }
 
+    @Override
+    public void addUser(final MPUser user) {
+        super.addUser( user );
+        save();
+    }
+
+    @Override
+    public void deleteUser(final MPUser user) {
+        super.deleteUser( user );
+        save();
+    }
+
+    /**
+     * Write the current user state to disk.
+     */
     public void save() {
+        // Save existing users.
         for (final MPUser user : getUsers())
             try {
                 new CharSink() {
@@ -84,5 +101,23 @@ public class MPUserFileManager extends MPUserManager {
             catch (IOException e) {
                 logger.err( e, "Unable to save sites for user: %s", user );
             }
+
+        // Remove deleted users.
+        for (File userFile : userFilesDirectory.listFiles( new FilenameFilter() {
+            @Override
+            public boolean accept(final File dir, final String name) {
+                return name.endsWith( ".mpsites" );
+            }
+        } ))
+            if (getUserNamed( userFile.getName().replaceFirst( "\\.mpsites$", "" ) ) == null)
+                if (!userFile.delete())
+                    logger.err( "Couldn't delete file: %s", userFile );
+    }
+
+    /**
+     * @return The location on the file system where the user models are stored.
+     */
+    public File getPath() {
+        return mpwd;
     }
 }

MasterPassword/Java/masterpassword-model/src/main/java/com/lyndir/masterpassword/model/MPUserManager.java

@@ -18,14 +18,22 @@ public abstract class MPUserManager {
 
     protected MPUserManager(final Iterable<MPUser> users) {
         for (MPUser user : users)
-            addUser( user );
+            usersByName.put( user.getFullName(), user );
     }
 
     public SortedSet<MPUser> getUsers() {
         return FluentIterable.from( usersByName.values() ).toSortedSet( Ordering.natural() );
     }
 
+    public MPUser getUserNamed(String fullName) {
+        return usersByName.get( fullName );
+    }
+
     public void addUser(final MPUser user) {
         usersByName.put( user.getFullName(), user );
     }
+
+    public void deleteUser(final MPUser user) {
+        usersByName.remove( user.getFullName() );
+    }
 }