contactList;
private SceneContext sceneContext;
private static final EventBus eventBus = EventBus.getInstance();
@FXML
private void initialize() {
contactList.setCellFactory(ContactListCellFactory::new);
contactList.getSelectionModel().setSelectionMode(SelectionMode.MULTIPLE);
groupNameField.setClearButtonListener(e -> { groupNameField.getTextField().clear(); createButton.setDisable(true); });
}
/**
* @param sceneContext enables the user to return to the chat scene
* @param localDB the local database from which potential group members can
* be selected
* @since Envoy Client v0.1-beta
*/
public void initializeData(SceneContext sceneContext, LocalDB localDB) {
this.sceneContext = sceneContext;
Platform.runLater(() -> contactList.getItems()
.addAll(localDB.getUsers().values().stream().filter(c -> c.getID() != localDB.getUser().getID()).collect(Collectors.toList())));
}
/**
* Enables the {@code createButton} if at least one contact is selected.
*
* @since Envoy Client v0.1-beta
*/
@FXML
private void contactListClicked() {
createButton.setDisable(contactList.getSelectionModel().isEmpty() || groupNameField.getTextField().getText().isBlank());
}
/**
* Checks, whether the {@code createButton} can be enabled because text is
* present in the textfield.
*
* @since Envoy Client v0.1-beta
*/
@FXML
private void textUpdated() { createButton.setDisable(groupNameField.getTextField().getText().isBlank()); }
/**
* Sends a {@link GroupCreation} to the server and closes this scene.
*
* If the given group name is not valid, an error is displayed instead.
*
* @since Envoy Client v0.1-beta
*/
@FXML
private void createButtonClicked() {
final var name = groupNameField.getTextField().getText();
if (!Bounds.isValidContactName(name)) {
new Alert(AlertType.ERROR, "The entered group name is not valid (" + Bounds.CONTACT_NAME_PATTERN + ")").showAndWait();
groupNameField.getTextField().clear();
} else {
eventBus.dispatch(new SendEvent(new GroupCreation(name,
contactList.getSelectionModel().getSelectedItems().stream().map(Contact::getID).collect(Collectors.toSet()))));
new Alert(AlertType.INFORMATION, String.format("Group '%s' successfully created.", name)).showAndWait();
sceneContext.pop();
}
}
@FXML
private void backButtonClicked() { sceneContext.pop(); }
}