121 lines
3.6 KiB
Java
121 lines
3.6 KiB
Java
package envoy.client.ui.controller;
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import java.util.function.Consumer;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import javafx.application.Platform;
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import javafx.fxml.FXML;
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import javafx.scene.control.*;
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import javafx.scene.control.Alert.AlertType;
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import envoy.client.event.BackEvent;
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import envoy.client.event.SendEvent;
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import envoy.client.ui.listcell.ContactControl;
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import envoy.client.ui.listcell.ListCellFactory;
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import envoy.data.User;
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import envoy.event.ElementOperation;
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import envoy.event.EventBus;
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import envoy.event.contact.ContactOperation;
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import envoy.event.contact.UserSearchRequest;
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import envoy.event.contact.UserSearchResult;
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import envoy.util.EnvoyLog;
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/**
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* Provides a search bar in which a user name (substring) can be entered. The
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* users with a matching name are then displayed inside a list view. A
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* {@link UserSearchRequest} is sent on every keystroke.
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* <p>
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* <i>The actual search algorithm is implemented on the server.
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* <p>
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* To create a group, a button is available that loads the
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* {@link GroupCreationTab}.
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* <p>
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* Project: <strong>envoy-client</strong><br>
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* File: <strong>ContactSearchScene.java</strong><br>
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* Created: <strong>07.06.2020</strong><br>
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*
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* @author Leon Hofmeister
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* @author Maximilian Käfer
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* @since Envoy Client v0.1-beta
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*/
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public class ContactSearchTab {
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@FXML
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private TextArea searchBar;
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@FXML
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private ListView<User> userList;
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private Alert alert = new Alert(AlertType.CONFIRMATION);
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private User currentlySelectedUser;
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private final Consumer<ContactOperation> handler = e -> {
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final var contact = e.get();
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if (e.getOperationType() == ElementOperation.ADD) Platform.runLater(() -> {
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userList.getItems().remove(contact);
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if (currentlySelectedUser != null && currentlySelectedUser.equals(contact) && alert.isShowing()) alert.close();
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});
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};
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private static final EventBus eventBus = EventBus.getInstance();
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private static final Logger logger = EnvoyLog.getLogger(ChatScene.class);
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@FXML
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private void initialize() {
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userList.setCellFactory(new ListCellFactory<>(ContactControl::new));
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eventBus.register(UserSearchResult.class,
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response -> Platform.runLater(() -> { userList.getItems().clear(); userList.getItems().addAll(response.get()); }));
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eventBus.register(ContactOperation.class, handler);
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}
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/**
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* Disables the clear and search button if no text is present in the search bar.
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*
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* @since Envoy Client v0.1-beta
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*/
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@FXML
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private void sendRequest() {
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final var text = searchBar.getText().strip();
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if (!text.isBlank()) eventBus.dispatch(new SendEvent(new UserSearchRequest(text)));
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else userList.getItems().clear();
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}
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/**
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* Clears the text in the search bar and the items shown in the list.
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* Additionally disables both clear and search button.
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*
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* @since Envoy Client v0.1-beta
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*/
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@FXML
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private void clear() {
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searchBar.setText(null);
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userList.getItems().clear();
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}
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/**
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* Sends an {@link ContactOperation} for the selected user to the
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* server.
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*
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* @since Envoy Client v0.1-beta
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*/
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@FXML
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private void userListClicked() {
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final var user = userList.getSelectionModel().getSelectedItem();
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if (user != null) {
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currentlySelectedUser = user;
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final var event = new ContactOperation(currentlySelectedUser, ElementOperation.ADD);
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// Sends the event to the server
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eventBus.dispatch(new SendEvent(event));
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// Removes the chosen user and updates the UI
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userList.getItems().remove(currentlySelectedUser);
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eventBus.dispatch(event);
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logger.log(Level.INFO, "Added user " + currentlySelectedUser);
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}
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}
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@FXML
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private void backButtonClicked() { eventBus.dispatch(new BackEvent()); }
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}
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