feat: handle message send event

src/main/java/fr/insa/clavardator/ui/MainController.java

@@ -94,7 +94,7 @@ public class MainController implements Initializable {
 		userListController.addRefreshUserListener(() -> System.out.println("refresh event"));
 		userListController.addUserSelectedListener((user) -> chatController.setRemoteUser(user));
 		chatController.addAttachmentListener(() -> System.out.println("attach event"));
-		chatController.addSendListener(() -> System.out.println("send event"));
+		chatController.addSendListener((text) -> System.out.println("sent : " + text));
 		toolbarController.addEditListener(() -> {
 			try {
 				openEditUsernameDialog();

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

@@ -39,12 +39,13 @@ public class ChatController implements Initializable {
 		chatFooterController.addAttachmentListener(listener);
 	}
 
-	public void addSendListener(ButtonPressEvent listener) {
+	public void addSendListener(ChatFooterController.SendMessageEvent listener) {
 		chatFooterController.addSendListener(listener);
 	}
 
 	public void setRemoteUser(PeerUser remoteUser) {
 		this.remoteUser = remoteUser;
+		this.chatFooterController.setRemoteUser(remoteUser);
 		this.chatHeaderController.setRemoteUser(remoteUser);
 		setState(State.LOADING);
 

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

@@ -1,12 +1,19 @@
 package fr.insa.clavardator.ui.chat;
 
+import com.jfoenix.controls.JFXTextField;
 import fr.insa.clavardator.ui.ButtonPressEvent;
+import fr.insa.clavardator.users.PeerUser;
+import javafx.beans.value.ObservableValue;
+import javafx.event.EventHandler;
 import javafx.fxml.FXML;
 import javafx.fxml.Initializable;
+import javafx.scene.input.KeyCode;
+import javafx.scene.input.KeyEvent;
 import javafx.scene.layout.HBox;
 
 import java.net.URL;
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
 import java.util.ResourceBundle;
 
@@ -14,31 +21,79 @@ public class ChatFooterController implements Initializable {
 
 	@FXML
 	private HBox container;
+	@FXML
+	private JFXTextField textField;
 
 	private List<ButtonPressEvent> attachmentListeners;
-	private List<ButtonPressEvent> sendListeners;
+	private List<SendMessageEvent> sendListeners;
+
+	private PeerUser remoteUser;
+	private HashMap<PeerUser, String> savedText;
+
 
 	public void addAttachmentListener(ButtonPressEvent listener) {
 		attachmentListeners.add(listener);
 	}
-	public void addSendListener(ButtonPressEvent listener) {
+	public void addSendListener(SendMessageEvent listener) {
 		sendListeners.add(listener);
 	}
 
 	public void onAttachmentPress() {
 		attachmentListeners.forEach(ButtonPressEvent::onPress);
 	}
-	public void onSendPress() {
-		sendListeners.forEach(ButtonPressEvent::onPress);
+	public void onSend() {
+		sendListeners.forEach((l) -> l.onSend(findSavedText()));
+		textField.setText("");
 	}
 
 	public void setEnabled(boolean enabled) {
 		container.setDisable(!enabled);
 	}
 
+	private String findSavedText() {
+		String text = null;
+		if (remoteUser != null) {
+			text = savedText.get(remoteUser);
+		}
+		return text != null ? text : "";
+	}
+
+	private void saveText(String text) {
+		if (remoteUser != null) {
+			savedText.put(remoteUser, text);
+		}
+	}
+
+	public void onTextChange(ObservableValue<? extends String> observable, String oldText, String newText) {
+		saveText(newText);
+	}
+
 	@Override
 	public void initialize(URL location, ResourceBundle resources) {
+		savedText = new HashMap<>();
 		attachmentListeners = new ArrayList<>();
 		sendListeners = new ArrayList<>();
+		textField.textProperty().addListener(this::onTextChange);
+		textField.setOnKeyPressed(event -> {
+			if (event.getCode() == KeyCode.ENTER) {
+				event.consume();
+				if (event.isShiftDown()) {
+					textField.appendText(System.getProperty("line.separator"));
+				} else {
+					if(!textField.getText().isEmpty()){
+						onSend();
+					}
+				}
+			}
+		});
+	}
+
+	public void setRemoteUser(PeerUser remoteUser) {
+		this.remoteUser = remoteUser;
+		textField.setText(findSavedText());
+	}
+
+	public interface SendMessageEvent {
+		void onSend(String text);
 	}
 }

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

@@ -12,13 +12,13 @@
   <padding>
     <Insets bottom="20.0" left="20.0" right="20.0" top="20.0"/>
   </padding>
-  <JFXTextField HBox.hgrow="ALWAYS"/>
+  <JFXTextField HBox.hgrow="ALWAYS" fx:id="textField"/>
   <JFXButton mnemonicParsing="false" onMouseClicked="#onAttachmentPress">
     <graphic>
       <FontIcon iconLiteral="fas-paperclip" iconSize="24"/>
     </graphic>
   </JFXButton>
-  <JFXButton mnemonicParsing="false" text="Envoyer" onMouseClicked="#onSendPress">
+  <JFXButton mnemonicParsing="false" text="Envoyer" onMouseClicked="#onSend">
     <graphic>
       <FontIcon iconLiteral="fas-paper-plane" iconSize="24"/>
     </graphic>