BigTableWithContextMenu.java

import java.util.ArrayList;
import java.util.List;

import javafx.application.Application;
import javafx.beans.binding.Bindings;
import javafx.beans.property.ReadOnlyStringWrapper;
import javafx.beans.property.SimpleStringProperty;
import javafx.beans.property.StringProperty;
import javafx.beans.value.ObservableValue;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.ContextMenu;
import javafx.scene.control.MenuItem;
import javafx.scene.control.TableCell;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.control.TableColumn.CellDataFeatures;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.BorderPane;
import javafx.stage.Stage;
import javafx.util.Callback;

public class BigTableWithContextMenu extends Application {
  
  private static final int NUM_COLS = 100 ;
  private static final int NUM_ROWS = 1000 ;

	@Override
	public void start(Stage primaryStage) {
	  long startMethodStartTime = System.currentTimeMillis();
	  
		final BorderPane root = new BorderPane();
		final TableView<List<String>> table = new TableView<>();
		for (int colIndex = 0 ; colIndex < NUM_COLS; colIndex++) {
		  TableColumn<List<String>, String> col = new TableColumn<>("Col " +colIndex);
		  final int cIndex = colIndex ;
		  
		  col.setCellValueFactory(new Callback<TableColumn.CellDataFeatures<List<String>,String>, ObservableValue<String>>() {
        @Override
        public ObservableValue<String> call(CellDataFeatures<List<String>, String> cdf) {
          List<String> rowData = cdf.getValue();
          return new ReadOnlyStringWrapper(rowData.get(cIndex));
        }
      });
		  
		  createContextMenuCellFactory(col);
		  
		  table.getColumns().add(col);

		}
		
	  for (int rowIndex = 0; rowIndex < NUM_ROWS; rowIndex++) {
      List<String> rowData = new ArrayList<>();
      for (int colIndex = 0 ; colIndex < NUM_COLS; colIndex++) {
        rowData.add(String.format("[%d,%d]", rowIndex, colIndex));	        
      }
      table.getItems().add(rowData);
	  }
	  
	  root.setCenter(table);
	  final Scene scene = new Scene(root, 1600, 1200);
	  primaryStage.setScene(scene);
	  primaryStage.show();
	  
	  long startMethodEndTime = System.currentTimeMillis();
	  System.out.println("start took "+(startMethodEndTime - startMethodStartTime)/1000.0 + " seconds");
	}
	
	private void createContextMenuCellFactory(TableColumn<List<String>, String> col) {
	  final StringProperty contextMenuValue = new SimpleStringProperty("");
	  final ContextMenu menu = new ContextMenu();
	  final MenuItem mi1 = new MenuItem("Choice 1");
	  final MenuItem mi2 = new MenuItem("Choice 2");
	  final MenuItem mi3 = new MenuItem();
	  // text depends on "current cell"
	  // more commonly, the action handler would depend on this value,
	  // but this is just a proof of concept
	  mi3.textProperty().bind(Bindings.format("Specific choice for %s", contextMenuValue));
	  menu.getItems().addAll(mi1, mi2, mi3);
	  col.setCellFactory(new Callback<TableColumn<List<String>, String>, TableCell<List<String>, String>>() {

      @Override
      public TableCell<List<String>, String> call(TableColumn<List<String>, String> col) {
        final TableCell<List<String>, String> cell = new TableCell<List<String>, String>() {
          @Override
          public void updateItem(String item, boolean empty) {
            super.updateItem(item, empty);
            if (empty) {
              setText(null);
            } else {
              setText(item);
            }
          }
        };
        cell.addEventHandler(MouseEvent.MOUSE_PRESSED, new EventHandler<MouseEvent>() {

          @Override
          public void handle(MouseEvent event) {
            if (event.isSecondaryButtonDown() && !cell.isEmpty()) {
              contextMenuValue.setValue(cell.getItem());
              menu.show(cell, event.getScreenX(), event.getScreenY());
            }
          }
        });
        return cell;
      }
	    
	  });
	}

	public static void main(String[] args) {
		launch(args);
	}
}