More prototyping - warning UGLY!

src/main/java/de/vanitasvitae/omemoqrgenerator/ListViewCell.java

@@ -0,0 +1,64 @@
+package de.vanitasvitae.omemoqrgenerator;
+
+import java.io.IOException;
+
+import com.jfoenix.controls.JFXListCell;
+import com.jfoenix.controls.JFXToggleButton;
+import javafx.fxml.FXML;
+import javafx.fxml.FXMLLoader;
+import javafx.scene.control.Label;
+import javafx.scene.layout.HBox;
+
+public class ListViewCell extends JFXListCell<OmemoIdentity> {
+
+    @FXML
+    private HBox hBox;
+
+    @FXML
+    private Label id;
+
+    @FXML
+    private Label fingerprint;
+
+    @FXML
+    private JFXToggleButton toggle;
+
+    private QrDisplayController displayController = null;
+
+    public ListViewCell() {
+        FXMLLoader fxmlLoader = new FXMLLoader(getClass().getResource("/fxml/item.fxml"));
+        fxmlLoader.setController(this);
+        try
+        {
+            fxmlLoader.load();
+        }
+        catch (IOException e)
+        {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public void setDisplayController(QrDisplayController controller)  {
+        this.displayController = controller;
+    }
+
+    @Override
+    public void updateItem(OmemoIdentity identity, boolean empty) {
+        if (empty) {
+            return;
+        }
+
+        if (id != null) id.setText(Integer.toString(identity.getDevice().getDeviceId()));
+        if (fingerprint != null) fingerprint.setText(identity.getFingerprint().blocksOf8Chars());
+        if (toggle != null) toggle.setSelected(identity.getEnabled());
+        if (hBox != null) setGraphic(hBox);
+        if (toggle != null) {
+            toggle.setOnAction(actionEvent -> {
+                identity.setEnabled(toggle.isSelected());
+                if (displayController != null) {
+                    displayController.drawQRCode();
+                }
+            });
+        }
+    }
+}

src/main/java/de/vanitasvitae/omemoqrgenerator/ListViewController.java

@@ -0,0 +1,37 @@
+package de.vanitasvitae.omemoqrgenerator;
+
+import java.util.Collection;
+
+import com.jfoenix.controls.JFXListView;
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+import javafx.fxml.FXML;
+
+public class ListViewController {
+
+    @FXML
+    private JFXListView<OmemoIdentity> listView;
+
+    private ObservableList<OmemoIdentity> identities = FXCollections.observableArrayList();
+
+    private QrDisplayController displayController = null;
+
+    public void setDisplayController(QrDisplayController controller) {
+        this.displayController = controller;
+    }
+
+    public void setIdentities(Collection<OmemoIdentity> identities) {
+        this.identities.clear();
+        this.identities.addAll(identities);
+    }
+
+    @FXML
+    void initialize() {
+        listView.setCellFactory(listView -> {
+            ListViewCell cell = new ListViewCell();
+            cell.setDisplayController(displayController);
+            return new ListViewCell();
+        });
+        listView.setItems(identities);
+    }
+}

src/main/java/de/vanitasvitae/omemoqrgenerator/Main.java

@@ -1,28 +1,34 @@
 package de.vanitasvitae.omemoqrgenerator;
 
-import java.util.Arrays;
+import java.io.IOException;
 import java.util.Map;
 
 import org.jivesoftware.smack.SmackConfiguration;
+import org.jivesoftware.smack.SmackException;
+import org.jivesoftware.smack.XMPPException;
 import org.jivesoftware.smack.packet.Presence;
 import org.jivesoftware.smack.tcp.XMPPTCPConnection;
-import org.jivesoftware.smackx.disco.ServiceDiscoveryManager;
 import org.jivesoftware.smackx.omemo.internal.OmemoDevice;
 import org.jivesoftware.smackx.omemo.trust.OmemoFingerprint;
-import org.jivesoftware.smackx.pubsub.PubSubManager;
 
 import javafx.application.Application;
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+import javafx.fxml.FXML;
 import javafx.fxml.FXMLLoader;
 import javafx.scene.Parent;
 import javafx.scene.Scene;
 import javafx.stage.Stage;
 import org.jxmpp.jid.BareJid;
+import org.jxmpp.stringprep.XmppStringprepException;
 
 public class Main extends Application implements LoginCallback {
 
     private Stage stage;
 
-
+    /*
+     * Trim down Smack.
+     */
     static {
         SmackConfiguration.DEBUG = true;
         SmackConfiguration.addDisabledSmackClasses("org.jivesoftware.smack.ReconnectionManager",
@@ -58,13 +64,18 @@ public class Main extends Application implements LoginCallback {
                 "org.jivesoftware.smackx.iqlast",
                 "org.jivesoftware.smackx.receipts",
                 "org.jivesoftware.smackx.iqversion"
-                );
+        );
     }
 
     public static void main(String[] args) {
         launch(args);
     }
 
+    /**
+     * Render the login screen.
+     * @param stage stage
+     * @throws Exception in case something goes wrong.
+     */
     @Override
     public void start(Stage stage) throws Exception {
         this.stage = stage;
@@ -73,6 +84,8 @@ public class Main extends Application implements LoginCallback {
         Parent root = loader.load();
         stage.setMinHeight(600);
         stage.setMinWidth(400);
+
+        // Register ourselves as callback for the login button.
         LoginController loginController = loader.getController();
         loginController.setLoginCallback(this);
 
@@ -84,32 +97,37 @@ public class Main extends Application implements LoginCallback {
 
     @Override
     public void login(String username, String password) {
+        XMPPTCPConnection connection = null;
         try {
-            XMPPTCPConnection connection = new XMPPTCPConnection(username, password);
+            connection = new XMPPTCPConnection(username, password);
             connection.connect().login();
 
+            if (connection == null) {
+                return;
+            }
+
             BareJid jid = connection.getUser().asBareJid();
             Map<OmemoDevice, OmemoFingerprint> fingerprints = Util.getFingerprints(connection);
 
+            ObservableList<OmemoIdentity> identities = FXCollections.observableArrayList();
+            for (OmemoDevice device : fingerprints.keySet()) {
+                identities.addAll(new OmemoIdentity(device, fingerprints.get(device)));
+            }
+
             connection.disconnect(new Presence(Presence.Type.unavailable));
 
             FXMLLoader loader = new FXMLLoader();
             loader.setLocation(getClass().getResource("/fxml/qrdisplay.fxml"));
             Parent root = loader.load();
             QrDisplayController controller = loader.getController();
-            controller.setFingerprints(jid, fingerprints);
+            controller.setFingerprints(jid, identities);
 
             Scene scene = new Scene(root, 400, 600);
             stage.setTitle("OMEMO QR-Code Generator");
             stage.setScene(scene);
             stage.show();
-
         } catch (Exception e) {
             e.printStackTrace();
         }
     }
-
-
-
-
 }

src/main/java/de/vanitasvitae/omemoqrgenerator/OmemoIdentity.java

@@ -0,0 +1,33 @@
+package de.vanitasvitae.omemoqrgenerator;
+
+import org.jivesoftware.smackx.omemo.internal.OmemoDevice;
+import org.jivesoftware.smackx.omemo.trust.OmemoFingerprint;
+
+public class OmemoIdentity {
+
+    private final OmemoDevice device;
+    private final OmemoFingerprint fingerprint;
+    private boolean enabled;
+
+    public OmemoIdentity(OmemoDevice device, OmemoFingerprint fingerprint) {
+        this.device = device;
+        this.fingerprint = fingerprint;
+        this.enabled = true;
+    }
+
+    public OmemoDevice getDevice() {
+        return device;
+    }
+
+    public OmemoFingerprint getFingerprint() {
+        return fingerprint;
+    }
+
+    public boolean getEnabled() {
+        return enabled;
+    }
+
+    public void setEnabled(boolean enabled) {
+        this.enabled = enabled;
+    }
+}

src/main/java/de/vanitasvitae/omemoqrgenerator/QrDisplayController.java

@@ -2,8 +2,10 @@ package de.vanitasvitae.omemoqrgenerator;
 
 import java.awt.*;
 import java.awt.image.BufferedImage;
+import java.util.HashSet;
 import java.util.Iterator;
 import java.util.Map;
+import java.util.Set;
 
 import org.jivesoftware.smackx.omemo.internal.OmemoDevice;
 import org.jivesoftware.smackx.omemo.trust.OmemoFingerprint;
@@ -12,10 +14,11 @@ import com.google.zxing.BarcodeFormat;
 import com.google.zxing.WriterException;
 import com.google.zxing.common.BitMatrix;
 import com.google.zxing.qrcode.QRCodeWriter;
-import com.jfoenix.controls.JFXTextArea;
+import javafx.collections.ObservableList;
 import javafx.embed.swing.SwingFXUtils;
 import javafx.fxml.FXML;
 import javafx.scene.image.ImageView;
+import javafx.scene.layout.GridPane;
 import org.jxmpp.jid.BareJid;
 
 public class QrDisplayController {
@@ -24,36 +27,45 @@ public class QrDisplayController {
     private ImageView qr_view;
 
     @FXML
-    private JFXTextArea content_text;
+    private GridPane listView;
+
+    @FXML
+    private ListViewController listViewController;
 
     private BareJid jid;
-    private Map<OmemoDevice, OmemoFingerprint> fingerprintMap;
+    private ObservableList<OmemoIdentity> identities = null;
 
-    public void setFingerprints(BareJid jid, Map<OmemoDevice, OmemoFingerprint> fingerprints) {
+    public void setFingerprints(BareJid jid, ObservableList<OmemoIdentity> identities) {
         this.jid = jid;
-        this.fingerprintMap = fingerprints;
-        drawQRCode(jid, fingerprints);
+        this.identities = identities;
+        this.listViewController.setDisplayController(this);
+        this.listViewController.setIdentities(this.identities);
+        drawQRCode();
     }
 
-    public void drawQRCode(BareJid jid, Map<OmemoDevice, OmemoFingerprint> fingerprints) {
+    public void drawQRCode() {
         int width = 300, height = 300;
         QRCodeWriter qrCodeWriter = new QRCodeWriter();
 
         String content = "xmpp:" + jid.toString();
 
-        Iterator<OmemoDevice> iterator = fingerprints.keySet().iterator();
-        if (iterator.hasNext()) {
-            OmemoDevice first = iterator.next();
-            content += "?omemo-sid-" + first.getDeviceId() + "=" + fingerprints.get(first);
+        Iterator<OmemoIdentity> iterator = identities.iterator();
+
+        while (iterator.hasNext()) {
+            OmemoIdentity first = iterator.next();
+            if (first.getEnabled()) {
+                content += "?omemo-sid-" + first.getDevice().getDeviceId() + "=" + first.getFingerprint().toString();
+                break;
+            }
         }
 
         while (iterator.hasNext()) {
-            OmemoDevice next = iterator.next();
-            content += ";omemo-sid-" + next.getDeviceId() + "=" + fingerprints.get(next);
+            OmemoIdentity next = iterator.next();
+            if (next.getEnabled()) {
+                content += ";omemo-sid-" + next.getDevice().getDeviceId() + "=" + next.getFingerprint().toString();
+            }
         }
 
-        content_text.setText(content);
-
         BufferedImage image;
 
         try {

src/main/resources/fxml/item.fxml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.layout.HBox?>
+<?import com.jfoenix.controls.JFXToggleButton?>
+<HBox xmlns:fx="http://javafx.com/fxml" fx:id="hBox">
+    <children>
+        <Label fx:id="id"/>
+        <Label fx:id="fingerprint"/>
+        <JFXToggleButton fx:id="toggle" />
+    </children>
+</HBox>

src/main/resources/fxml/listview.fxml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import com.jfoenix.controls.JFXListView?>
+<?import javafx.scene.layout.ColumnConstraints?>
+<?import javafx.scene.layout.GridPane?>
+<?import javafx.scene.layout.RowConstraints?>
+
+<GridPane alignment="CENTER" xmlns:fx="http://javafx.com/fxml/1" xmlns="http://javafx.com/javafx/8.0.162-ea" fx:controller="de.vanitasvitae.omemoqrgenerator.ListViewController">
+    <JFXListView fx:id="listView" minWidth="400.0" prefWidth="400.0" />
+   <columnConstraints>
+      <ColumnConstraints />
+   </columnConstraints>
+   <rowConstraints>
+      <RowConstraints />
+   </rowConstraints>
+</GridPane>

src/main/resources/fxml/login.fxml

@@ -7,7 +7,11 @@
 <?import javafx.scene.layout.HBox?>
 <?import javafx.scene.layout.VBox?>
 
-<VBox alignment="CENTER" minHeight="400.0" minWidth="600.0" prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/8.0.162-ea" xmlns:fx="http://javafx.com/fxml/1" fx:controller="de.vanitasvitae.omemoqrgenerator.LoginController">
+<VBox xmlns="http://javafx.com/javafx/8.0.162-ea"
+      xmlns:fx="http://javafx.com/fxml/1"
+      alignment="CENTER" minHeight="400.0" minWidth="600.0"
+      prefHeight="400.0" prefWidth="600.0"
+      fx:controller="de.vanitasvitae.omemoqrgenerator.LoginController">
    <children>
       <HBox alignment="CENTER" prefHeight="100.0" prefWidth="200.0">
           <VBox alignment="CENTER" maxHeight="150.0" maxWidth="300.0" minHeight="150.0" minWidth="300.0" prefHeight="150.0" prefWidth="300.0" spacing="8.0">

src/main/resources/fxml/qrdisplay.fxml

@@ -2,14 +2,9 @@
 
 <?import javafx.scene.image.ImageView?>
 <?import javafx.scene.layout.VBox?>
-<?import com.jfoenix.controls.JFXTextArea?>
-<?import javafx.scene.layout.HBox?>
 <VBox alignment="TOP_CENTER" minHeight="400.0" minWidth="600.0" prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/8.0.162-ea" xmlns:fx="http://javafx.com/fxml/1" fx:controller="de.vanitasvitae.omemoqrgenerator.QrDisplayController">
     <children>
         <ImageView fx:id="qr_view"/>
-        <HBox>
-            <JFXTextArea fx:id="content_text" />
-        </HBox>
-
+        <fx:include fx:id="listView" source="listview.fxml"/>
     </children>
 </VBox>