156 lines
5.1 KiB
Java
156 lines
5.1 KiB
Java
package envoy.client.ui.controller;
|
|
|
|
import java.util.function.Consumer;
|
|
import java.util.logging.Level;
|
|
import java.util.logging.Logger;
|
|
|
|
import javafx.application.Platform;
|
|
import javafx.fxml.FXML;
|
|
import javafx.scene.control.*;
|
|
import javafx.scene.control.Alert.AlertType;
|
|
|
|
import envoy.client.data.LocalDB;
|
|
import envoy.client.event.SendEvent;
|
|
import envoy.client.ui.ClearableTextField;
|
|
import envoy.client.ui.SceneContext;
|
|
import envoy.client.ui.listcell.ContactControl;
|
|
import envoy.client.ui.listcell.ListCellFactory;
|
|
import envoy.data.User;
|
|
import envoy.event.ElementOperation;
|
|
import envoy.event.EventBus;
|
|
import envoy.event.GroupCreationResult;
|
|
import envoy.event.contact.ContactOperation;
|
|
import envoy.event.contact.UserSearchRequest;
|
|
import envoy.event.contact.UserSearchResult;
|
|
import envoy.util.EnvoyLog;
|
|
|
|
/**
|
|
* Provides a search bar in which a user name (substring) can be entered. The
|
|
* users with a matching name are then displayed inside a list view. A
|
|
* {@link UserSearchRequest} is sent on every keystroke.
|
|
* <p>
|
|
* <i>The actual search algorithm is implemented on the server.
|
|
* <p>
|
|
* To create a group, a button is available that loads the
|
|
* {@link GroupCreationScene}.
|
|
* <p>
|
|
* Project: <strong>envoy-client</strong><br>
|
|
* File: <strong>ContactSearchScene.java</strong><br>
|
|
* Created: <strong>07.06.2020</strong><br>
|
|
*
|
|
* @author Leon Hofmeister
|
|
* @since Envoy Client v0.1-beta
|
|
*/
|
|
public final class ContactSearchScene {
|
|
|
|
@FXML
|
|
private ClearableTextField searchBar;
|
|
|
|
@FXML
|
|
private ListView<User> userList;
|
|
|
|
@FXML
|
|
private Button newGroupButton;
|
|
|
|
private SceneContext sceneContext;
|
|
|
|
private LocalDB localDB;
|
|
|
|
private Alert alert = new Alert(AlertType.CONFIRMATION);
|
|
|
|
private User currentlySelectedUser;
|
|
|
|
private final Consumer<ContactOperation> handler = e -> {
|
|
final var contact = e.get();
|
|
if (e.getOperationType() == ElementOperation.ADD) Platform.runLater(() -> {
|
|
userList.getItems().remove(contact);
|
|
if (currentlySelectedUser != null && currentlySelectedUser.equals(contact) && alert.isShowing()) alert.close();
|
|
});
|
|
};
|
|
|
|
private static final EventBus eventBus = EventBus.getInstance();
|
|
private static final Logger logger = EnvoyLog.getLogger(ChatScene.class);
|
|
|
|
/**
|
|
* @param sceneContext enables the user to return to the chat scene
|
|
* @param localDB the local database to which new contacts are added
|
|
* @since Envoy Client v0.1-beta
|
|
*/
|
|
public void initializeData(SceneContext sceneContext, LocalDB localDB) {
|
|
this.sceneContext = sceneContext;
|
|
this.localDB = localDB;
|
|
}
|
|
|
|
@FXML
|
|
private void initialize() {
|
|
userList.setCellFactory(new ListCellFactory<>(ContactControl::new));
|
|
searchBar.setClearButtonListener(e -> { searchBar.getTextField().clear(); userList.getItems().clear(); });
|
|
eventBus.register(UserSearchResult.class,
|
|
response -> Platform.runLater(() -> { userList.getItems().clear(); userList.getItems().addAll(response.get()); }));
|
|
eventBus.register(ContactOperation.class, handler);
|
|
eventBus.register(GroupCreationResult.class, e -> Platform.runLater(() -> { newGroupButton.setDisable(!e.get()); }));
|
|
}
|
|
|
|
/**
|
|
* Disables the clear and search button if no text is present in the search bar.
|
|
*
|
|
* @since Envoy Client v0.1-beta
|
|
*/
|
|
@FXML
|
|
private void sendRequest() {
|
|
final var text = searchBar.getTextField().getText().strip();
|
|
if (!text.isBlank()) eventBus.dispatch(new SendEvent(new UserSearchRequest(text)));
|
|
else userList.getItems().clear();
|
|
}
|
|
|
|
/**
|
|
* Clears the text in the search bar and the items shown in the list.
|
|
* Additionally disables both clear and search button.
|
|
*
|
|
* @since Envoy Client v0.1-beta
|
|
*/
|
|
@FXML
|
|
private void clear() {
|
|
searchBar.getTextField().setText(null);
|
|
userList.getItems().clear();
|
|
}
|
|
|
|
/**
|
|
* Sends an {@link ContactOperation} for the selected user to the
|
|
* server.
|
|
*
|
|
* @since Envoy Client v0.1-beta
|
|
*/
|
|
@FXML
|
|
private void userListClicked() {
|
|
final var user = userList.getSelectionModel().getSelectedItem();
|
|
if (user != null) {
|
|
currentlySelectedUser = user;
|
|
alert = new Alert(AlertType.CONFIRMATION);
|
|
alert.setTitle("Add User to Contact List");
|
|
alert.setHeaderText("Add the user " + currentlySelectedUser.getName() + " to your contact list?");
|
|
// Normally, this would be total BS (we are already on the FX Thread), however
|
|
// it could be proven that the creation of this dialog wrapped in
|
|
// Platform.runLater is less error-prone than without it
|
|
Platform.runLater(() -> alert.showAndWait().filter(btn -> btn == ButtonType.OK).ifPresent(btn -> {
|
|
final var event = new ContactOperation(currentlySelectedUser, ElementOperation.ADD);
|
|
// Sends the event to the server
|
|
eventBus.dispatch(new SendEvent(event));
|
|
// Removes the chosen user and updates the UI
|
|
userList.getItems().remove(currentlySelectedUser);
|
|
eventBus.dispatch(event);
|
|
logger.log(Level.INFO, "Added user " + currentlySelectedUser);
|
|
}));
|
|
}
|
|
}
|
|
|
|
@FXML
|
|
private void newGroupButtonClicked() {
|
|
sceneContext.load(SceneContext.SceneInfo.GROUP_CREATION_SCENE);
|
|
sceneContext.<GroupCreationScene>getController().initializeData(sceneContext, localDB);
|
|
}
|
|
|
|
@FXML
|
|
private void backButtonClicked() { sceneContext.pop(); }
|
|
}
|