Added profile pic change mechanism on client and common side

client/src/main/java/envoy/client/ui/settings/UserSettingsPane.java

@@ -1,13 +1,23 @@
 package envoy.client.ui.settings;
 
+import java.io.ByteArrayInputStream;
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+
 import javafx.event.EventHandler;
+import javafx.scene.Cursor;
 import javafx.scene.control.Alert;
 import javafx.scene.control.Alert.AlertType;
 import javafx.scene.control.TextField;
+import javafx.scene.image.Image;
+import javafx.scene.image.ImageView;
 import javafx.scene.input.InputEvent;
 import javafx.scene.layout.HBox;
+import javafx.stage.FileChooser;
 
 import envoy.client.event.SendEvent;
+import envoy.client.ui.IconUtil;
 import envoy.client.ui.SceneContext;
 import envoy.data.User;
 import envoy.event.*;
@@ -35,8 +45,40 @@ public class UserSettingsPane extends SettingsPane {
 	 * @since Envoy Client v0.2-beta
 	 */
 	public UserSettingsPane(SceneContext sceneContext, User user) {
-		super("User"); // Display of profile picture change mechanism
+		super("User");
+
+		// Display of profile pic change mechanism
 		final var hbox = new HBox();
+		// TODO: display current profile pic
+		final var profilePic = new ImageView(IconUtil.loadIcon("envoy_logo", 50));
+		profilePic.setCursor(Cursor.HAND);
+		profilePic.setOnMouseClicked(e -> {
+			final var pictureChooser = new FileChooser();
+
+			pictureChooser.setTitle("Select a new picture");
+			pictureChooser.setInitialDirectory(new File(System.getProperty("user.home")));
+			pictureChooser.setSelectedExtensionFilter(new FileChooser.ExtensionFilter("Pictures", "*.png", "*.jpg", "*.bmp", "*.gif"));
+
+			final var file = pictureChooser.showOpenDialog(sceneContext.getStage());
+
+			if (file != null) {
+
+				// Check max file size
+				if (file.length() > 5E6) {
+					new Alert(AlertType.WARNING, "The selected file exceeds the size limit of 5MB!").showAndWait();
+					return;
+				}
+
+				try {
+					currentImageBytes = Files.readAllBytes(file.toPath());
+					profilePic.setImage(new Image(new ByteArrayInputStream(currentImageBytes)));
+					profilePicChanged = true;
+				} catch (final IOException e1) {
+					e1.printStackTrace();
+				}
+			}
+		});
+		hbox.getChildren().add(profilePic);
 
 		// Displaying the username change mechanism
 		final var								username			= user.getName();

common/src/main/java/envoy/event/ProfilePicChange.java

@@ -0,0 +1,33 @@
+package envoy.event;
+
+/**
+ * Project: <strong>envoy-common</strong><br>
+ * File: <strong>ProfilePicChange.java</strong><br>
+ * Created: <strong>31.07.2020</strong><br>
+ *
+ * @author Leon Hofmeister
+ * @since Envoy Common v0.2-beta
+ */
+public class ProfilePicChange extends Event<byte[]> {
+
+	private final long id;
+
+	private static final long serialVersionUID = 0L;
+
+	/**
+	 * @param value  the byte[] of the new image
+	 * @param userID the ID of the user who changed his profile pic
+	 * @since Envoy Common v0.2-beta
+	 */
+	public ProfilePicChange(byte[] value, long userID) {
+		super(value);
+		id = userID;
+	}
+
+	/**
+	 * @return the id
+	 * @since Envoy Common v0.2-beta
+	 */
+	public long getId() { return id; }
+
+}

server/src/main/java/envoy/server/processors/ProfilePicChangeProcessor.java

@@ -0,0 +1,20 @@
+package envoy.server.processors;
+
+import java.io.IOException;
+
+import envoy.event.ProfilePicChange;
+import envoy.server.net.ObjectWriteProxy;
+
+/**
+ * Project: <strong>envoy-server-standalone</strong><br>
+ * File: <strong>ProfilePicChangeProcessor.java</strong><br>
+ * Created: <strong>01.08.2020</strong><br>
+ *
+ * @author Leon Hofmeister
+ * @since Envoy Server v0.2-beta
+ */
+public class ProfilePicChangeProcessor implements ObjectProcessor<ProfilePicChange> {
+
+	@Override
+	public void process(ProfilePicChange event, long socketID, ObjectWriteProxy writeProxy) throws IOException {}
+}