package tablecellfactorysample;
import javafx.application.Application;
import javafx.beans.property.BooleanProperty;
import javafx.beans.property.SimpleBooleanProperty;
import javafx.beans.property.SimpleStringProperty;
import javafx.beans.property.StringProperty;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.event.EventHandler;
import javafx.geometry.Pos;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.CheckBox;
import javafx.scene.control.TableCell;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableColumn.CellEditEvent;
import javafx.scene.control.TableView;
import javafx.scene.control.TextField;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.scene.input.KeyCode;
import javafx.scene.input.KeyEvent;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
import javafx.util.Callback;
/**
*
* @author reegan
*/
public class TableCellFactorySample extends Application {
private void init(Stage primaryStage) {
Group root = new Group();
primaryStage.setScene(new Scene(root));
final ObservableList<Person> data = FXCollections.observableArrayList(
new Person(true, "Jacob", "Smith", "jacob.smith@example.com"),
new Person(false, "Isabella", "Johnson", "isabella.johnson@example.com"),
new Person(true, "Ethan", "Williams", "ethan.williams@example.com"),
new Person(true, "Emma", "Jones", "emma.jones@example.com"),
new Person(true, "Emma", "Jones", "emma.jones@example.com"),
new Person(false, "Michael", "Brown", "michael.brown@example.com"));
//"Invited" column
TableColumn invitedCol = new TableColumn<Person, Boolean>();
invitedCol.setText("Invited");
invitedCol.setMinWidth(50);
invitedCol.setCellValueFactory(new PropertyValueFactory("invited"));
invitedCol.setCellFactory(new Callback<TableColumn<Person, Boolean>, TableCell<Person, Boolean>>() {
public TableCell<Person, Boolean> call(TableColumn<Person, Boolean> p) {
return new CheckBoxTableCell<Person, Boolean>();
}
});
//"First Name" column
TableColumn firstNameCol = new TableColumn();
firstNameCol.setText("First");
firstNameCol.setCellValueFactory(new PropertyValueFactory("firstName"));
//"Last Name" column
TableColumn lastNameCol = new TableColumn();
lastNameCol.setText("Last");
lastNameCol.setCellValueFactory(new PropertyValueFactory("lastName"));
//"Email" column
TableColumn emailCol = new TableColumn();
emailCol.setText("Email");
emailCol.setMinWidth(200);
emailCol.setCellValueFactory(new PropertyValueFactory("email"));
//Set cell factory for cells that allow editing
Callback<TableColumn, TableCell> cellFactory =
new Callback<TableColumn, TableCell>() {
public TableCell call(TableColumn p) {
return new EditingCell();
}
};
emailCol.setCellFactory(cellFactory);
firstNameCol.setCellFactory(cellFactory);
lastNameCol.setCellFactory(cellFactory);
//Set handler to update ObservableList properties. Applicable if cell is edited
updateObservableListProperties(emailCol, firstNameCol, lastNameCol);
TableView tableView = new TableView();
tableView.setItems(data);
//Enabling editing
VBox vb = new VBox();
tableView.setEditable(true);
tableView.getColumns().addAll(invitedCol, firstNameCol, lastNameCol, emailCol);
CheckBox cb = new CheckBox("Select all");
cb.selectedProperty().addListener(new ChangeListener<Boolean>() {
public void changed(ObservableValue<? extends Boolean> ov,
Boolean old_val, Boolean new_val) {
if (new_val) {
for (Person p : data) {
p.invited.set(true);
}
}
}
});
vb.getChildren().addAll(cb, tableView);
root.getChildren().addAll(vb);
}
private void updateObservableListProperties(TableColumn emailCol, TableColumn firstNameCol,
TableColumn lastNameCol) {
//Modifying the email property in the ObservableList
emailCol.setOnEditCommit(new EventHandler<CellEditEvent<Person, String>>() {
@Override
public void handle(CellEditEvent<Person, String> t) {
((Person) t.getTableView().getItems().get(
t.getTablePosition().getRow())).setEmail(t.getNewValue());
}
});
//Modifying the firstName property in the ObservableList
firstNameCol.setOnEditCommit(new EventHandler<CellEditEvent<Person, String>>() {
@Override
public void handle(CellEditEvent<Person, String> t) {
((Person) t.getTableView().getItems().get(
t.getTablePosition().getRow())).setFirstName(t.getNewValue());
}
});
//Modifying the lastName property in the ObservableList
lastNameCol.setOnEditCommit(new EventHandler<CellEditEvent<Person, String>>() {
@Override
public void handle(CellEditEvent<Person, String> t) {
((Person) t.getTableView().getItems().get(
t.getTablePosition().getRow())).setLastName(t.getNewValue());
}
});
}
//Person object
public static class Person {
private BooleanProperty invited;
private StringProperty firstName;
private StringProperty lastName;
private StringProperty email;
private Person(boolean invited, String fName, String lName, String email) {
this.invited = new SimpleBooleanProperty(invited);
this.firstName = new SimpleStringProperty(fName);
this.lastName = new SimpleStringProperty(lName);
this.email = new SimpleStringProperty(email);
this.invited = new SimpleBooleanProperty(invited);
this.invited.addListener(new ChangeListener<Boolean>() {
public void changed(ObservableValue<? extends Boolean> ov, Boolean t, Boolean t1) {
System.out.println(firstNameProperty().get() + " invited: " + t1);
}
});
}
public BooleanProperty invitedProperty() {
return invited;
}
public StringProperty firstNameProperty() {
return firstName;
}
public StringProperty lastNameProperty() {
return lastName;
}
public StringProperty emailProperty() {
return email;
}
public void setLastName(String lastName) {
this.lastName.set(lastName);
}
public void setFirstName(String firstName) {
this.firstName.set(firstName);
}
public void setEmail(String email) {
this.email.set(email);
}
}
//CheckBoxTableCell for creating a CheckBox in a table cell
public static class CheckBoxTableCell<S, T> extends TableCell<S, T> {
private final CheckBox checkBox;
private ObservableValue<T> ov;
public CheckBoxTableCell() {
this.checkBox = new CheckBox();
this.checkBox.setAlignment(Pos.CENTER);
setAlignment(Pos.CENTER);
setGraphic(checkBox);
}
@Override
public void updateItem(T item, boolean empty) {
super.updateItem(item, empty);
if (empty) {
setText(null);
setGraphic(null);
} else {
setGraphic(checkBox);
if (ov instanceof BooleanProperty) {
checkBox.selectedProperty().unbindBidirectional((BooleanProperty) ov);
}
ov = getTableColumn().getCellObservableValue(getIndex());
if (ov instanceof BooleanProperty) {
checkBox.selectedProperty().bindBidirectional((BooleanProperty) ov);
}
}
}
}
// EditingCell - for editing capability in a TableCell
public static class EditingCell extends TableCell<Person, String> {
private TextField textField;
public EditingCell() {
}
@Override
public void startEdit() {
super.startEdit();
if (textField == null) {
createTextField();
}
setText(null);
setGraphic(textField);
textField.selectAll();
}
@Override
public void cancelEdit() {
super.cancelEdit();
setText((String) getItem());
setGraphic(null);
}
@Override
public void updateItem(String item, boolean empty) {
super.updateItem(item, empty);
if (empty) {
setText(null);
setGraphic(null);
} else {
if (isEditing()) {
if (textField != null) {
textField.setText(getString());
}
setText(null);
setGraphic(textField);
} else {
setText(getString());
setGraphic(null);
}
}
}
private void createTextField() {
textField = new TextField(getString());
textField.setMinWidth(this.getWidth() - this.getGraphicTextGap() * 2);
textField.setOnKeyReleased(new EventHandler<KeyEvent>() {
@Override
public void handle(KeyEvent t) {
if (t.getCode() == KeyCode.ENTER) {
commitEdit(textField.getText());
} else if (t.getCode() == KeyCode.ESCAPE) {
cancelEdit();
}
}
});
}
private String getString() {
return getItem() == null ? "" : getItem().toString();
}
}
@Override
public void start(Stage primaryStage) throws Exception {
init(primaryStage);
primaryStage.show();
}
public static void main(String[] args) {
launch(args);
}
}
