Show attachment status

src/main/java/fr/insa/clavardator/ui/chat/ChatFooterController.java

@@ -23,15 +23,15 @@ import java.util.ResourceBundle;
  * Controller for the chat input field and associated buttons
  */
 public class ChatFooterController implements Initializable {
-
 	@FXML
 	private HBox container;
 	@FXML
 	private JFXTextField textField;
 	@FXML
 	private JFXButton sendButton;
+	@FXML
+	private JFXButton attachButton;
 
-	//	private ButtonPressEvent attachmentListeners;
 	private ErrorCallback sendErrorListeners;
 
 	private PeerUser remoteUser;
@@ -40,21 +40,34 @@ public class ChatFooterController implements Initializable {
 	FileChooser fileChooser = new FileChooser();
 	File attachedFile;
 
-//	public void setAttachmentListener(ButtonPressEvent listener) {
-//		attachmentListeners = listener;
-//	}
-
 	public void setSendErrorListener(ErrorCallback listener) {
 		sendErrorListeners = listener;
 	}
 
 	public void onAttachmentPress() {
-//		if (attachmentListeners != null) {
-//			attachmentListeners.onPress();
-//		}
 		attachedFile = fileChooser.showOpenDialog(container.getScene().getWindow());
+		sendButton.setDisable(!canSend());
+		System.out.println(sendButton.getStyleClass());
+		if (attachedFile != null) {
+			setSendButtonActive();
+		} else {
+			removeAttachment();
+		}
 	}
 
+	public void clearSendButton() {
+		attachButton.getStyleClass().remove("attachment-ready");
+	}
+
+	public void setSendButtonActive() {
+		clearSendButton();
+		attachButton.getStyleClass().add("attachment-ready");
+	}
+
+	public void removeAttachment() {
+		attachedFile = null;
+		clearSendButton();
+	}
 
 	public void onSendError(Exception e) {
 		Log.e(this.getClass().getSimpleName(), "Error: Could not send message", e);
@@ -67,13 +80,13 @@ public class ChatFooterController implements Initializable {
 	 * If the input text is not empty and the remote user set, send the message
 	 */
 	public void onSend() {
-		if (!isTextFieldEmpty()) {
+		if (canSend()) {
 			if (remoteUser != null) {
 				if (attachedFile == null) {
 					remoteUser.sendTextMessage(textField.getText(), this::onSendError);
 				} else {
 					remoteUser.sendFileMessage(textField.getText(), attachedFile, this::onSendError);
-					attachedFile = null;
+					removeAttachment();
 				}
 			} else {
 				Log.e(this.getClass().getSimpleName(), "Error: remote user not set");
@@ -125,7 +138,7 @@ public class ChatFooterController implements Initializable {
 	 */
 	public void onTextChange(ObservableValue<? extends String> observable, String oldText, String newText) {
 		saveText(newText);
-		sendButton.setDisable(isTextFieldEmpty());
+		sendButton.setDisable(!canSend());
 	}
 
 	/**
@@ -133,8 +146,8 @@ public class ChatFooterController implements Initializable {
 	 *
 	 * @return True if empty, false otherwise
 	 */
-	private boolean isTextFieldEmpty() {
-		return textField.getText().isEmpty();
+	private boolean canSend() {
+		return !textField.getText().isEmpty() || attachedFile != null;
 	}
 
 	/**
@@ -164,7 +177,8 @@ public class ChatFooterController implements Initializable {
 			this.remoteUser = user;
 			user.addObserver(this::onUserStateChange);
 			textField.setText(findSavedText());
-			sendButton.setDisable(isTextFieldEmpty());
+			removeAttachment();
+			sendButton.setDisable(!canSend());
 			setEnabled(user.isActive());
 		}
 	}

src/main/java/fr/insa/clavardator/ui/chat/MessageListItemController.java

@@ -41,9 +41,7 @@ public class MessageListItemController implements Initializable {
 			if (message instanceof FileMessage) {
 				FileMessage fileMessage = ((FileMessage) message);
 				text += "\n<" + fileMessage.getFileName() + ">";
-				button.setOnMouseClicked(event -> {
-					openFile(fileMessage.getPath());
-				});
+				button.setOnMouseClicked(event -> openFile(fileMessage.getPath()));
 			}
 			button.setText(text);
 			timestamp.setText(DateFormat.getTimeInstance().format(message.getDate()));

src/main/resources/fr/insa/clavardator/ui/chat/chatFooter.fxml

@@ -13,7 +13,7 @@
     <Insets bottom="20.0" left="20.0" right="20.0" top="20.0"/>
   </padding>
   <JFXTextField HBox.hgrow="ALWAYS" fx:id="textField"/>
-  <JFXButton mnemonicParsing="false" onMouseClicked="#onAttachmentPress">
+  <JFXButton mnemonicParsing="false" onMouseClicked="#onAttachmentPress" fx:id="attachButton">
     <graphic>
       <FontIcon iconLiteral="fas-paperclip" iconSize="24"/>
     </graphic>

src/main/resources/fr/insa/clavardator/ui/styles.css

@@ -96,6 +96,10 @@
   -fx-background-color: -primary;
 }
 
+.attachment-ready {
+  -fx-background-color: -success;
+}
+
 .selected-user-item, .active-user-item, .inactive-user-item {
   -fx-background-radius: 0 20 20 0;
   -jfx-button-type: "FLAT";