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Detect doubleclick on row of TableView JavaFX

I need to detect double clicks on a row of a TableView.

How can I listen for double clicks on any part of the row and get all data of this row to print it to the console?

like image 563
Marcos Avatar asked Oct 25 '14 14:10

Marcos


4 Answers

TableView<MyType> table = new TableView<>();

//...

table.setRowFactory( tv -> {
    TableRow<MyType> row = new TableRow<>();
    row.setOnMouseClicked(event -> {
        if (event.getClickCount() == 2 && (! row.isEmpty()) ) {
            MyType rowData = row.getItem();
            System.out.println(rowData);
        }
    });
    return row ;
});

Here is a complete working example:

import java.util.Random;
import java.util.function.Function;

import javafx.application.Application;
import javafx.beans.property.IntegerProperty;
import javafx.beans.property.SimpleIntegerProperty;
import javafx.beans.property.SimpleStringProperty;
import javafx.beans.property.StringProperty;
import javafx.beans.value.ObservableValue;
import javafx.scene.Scene;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableRow;
import javafx.scene.control.TableView;
import javafx.stage.Stage;

public class TableViewDoubleClickOnRow extends Application {

    @Override
    public void start(Stage primaryStage) {
        TableView<Item> table = new TableView<>();
        table.setRowFactory(tv -> {
            TableRow<Item> row = new TableRow<>();
            row.setOnMouseClicked(event -> {
                if (event.getClickCount() == 2 && (! row.isEmpty()) ) {
                    Item rowData = row.getItem();
                    System.out.println("Double click on: "+rowData.getName());
                }
            });
            return row ;
        });
        table.getColumns().add(column("Item", Item::nameProperty));
        table.getColumns().add(column("Value", Item::valueProperty));

        Random rng = new Random();
        for (int i = 1 ; i <= 50 ; i++) {
            table.getItems().add(new Item("Item "+i, rng.nextInt(1000)));
        }

        Scene scene = new Scene(table);
        primaryStage.setScene(scene);
        primaryStage.show();
    }

    private static <S,T> TableColumn<S,T> column(String title, Function<S, ObservableValue<T>> property) {
        TableColumn<S,T> col = new TableColumn<>(title);
        col.setCellValueFactory(cellData -> property.apply(cellData.getValue()));
        return col ;
    }

    public static class Item {
        private final StringProperty name = new SimpleStringProperty();
        private final IntegerProperty value = new SimpleIntegerProperty();

        public Item(String name, int value) {
            setName(name);
            setValue(value);
        }

        public StringProperty nameProperty() {
            return name ;
        }

        public final String getName() {
            return nameProperty().get();
        }

        public final void setName(String name) {
            nameProperty().set(name);
        }

        public IntegerProperty valueProperty() {
            return value ;
        }

        public final int getValue() {
            return valueProperty().get();
        }

        public final void setValue(int value) {
            valueProperty().set(value);
        }
    }

    public static void main(String[] args) {
        launch(args);
    }
}
like image 87
James_D Avatar answered Nov 19 '22 13:11

James_D


Example:

table.setOnMousePressed(new EventHandler<MouseEvent>() {
    @Override 
    public void handle(MouseEvent event) {
        if (event.isPrimaryButtonDown() && event.getClickCount() == 2) {
            System.out.println(table.getSelectionModel().getSelectedItem());                   
        }
    }
});

If you are using custom selection model, then you can get the row from event, example:

table.setOnMousePressed(new EventHandler<MouseEvent>() {
    @Override 
    public void handle(MouseEvent event) {
        if (event.isPrimaryButtonDown() && event.getClickCount() == 2) {
            Node node = ((Node) event.getTarget()).getParent();
            TableRow row;
            if (node instanceof TableRow) {
                row = (TableRow) node;
            } else {
                // clicking on text part
                row = (TableRow) node.getParent();
            }
            System.out.println(row.getItem());
        }
    }
});
like image 44
Alexander.Berg Avatar answered Nov 19 '22 12:11

Alexander.Berg


This works for me:

table.setOnMouseClicked((MouseEvent event) -> {
            if (event.getButton().equals(MouseButton.PRIMARY) && event.getClickCount() == 2){
                System.out.println(table.getSelectionModel().getSelectedItem());
            }
        });
    }
like image 5
Abdul.Moqueet Avatar answered Nov 19 '22 13:11

Abdul.Moqueet


If you are using SceneBuilder you can set your table's OnMouseClicked to handleRowSelect() method as shown below:

MyType temp;
Date lastClickTime;
@FXML
private void handleRowSelect() {
    MyType row = myTableView.getSelectionModel().getSelectedItem();
    if (row == null) return;
    if(row != temp){
        temp = row;
        lastClickTime = new Date();
    } else if(row == temp) {
        Date now = new Date();
        long diff = now.getTime() - lastClickTime.getTime();
        if (diff < 300){ //another click registered in 300 millis
             System.out.println("Edit dialog");
        } else {
            lastClickTime = new Date();
        }
    }
}
like image 3
Sushal Penugonda Avatar answered Nov 19 '22 13:11

Sushal Penugonda