Edit C:\Program Files\Java\jdk1.8.0_121\com\sun\javafx\scene\control\behavior\TableViewBehavior.java

/*
 * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package com.sun.javafx.scene.control.behavior;

import javafx.beans.value.ChangeListener;
import javafx.beans.value.WeakChangeListener;
import javafx.collections.ObservableList;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableColumnBase;
import javafx.scene.control.TableFocusModel;
import javafx.scene.control.TablePosition;
import javafx.scene.control.TablePositionBase;
import javafx.scene.control.TableSelectionModel;
import javafx.scene.control.TableView;
import javafx.scene.control.TableView.TableViewSelectionModel;
import com.sun.javafx.scene.control.skin.Utils;

public class TableViewBehavior<T> extends TableViewBehaviorBase<TableView<T>, T, TableColumn<T, ?>> {

/**************************************************************************
     *                                                                        *
     * Listeners                                                              *
     *                                                                        *
     *************************************************************************/

private final ChangeListener<TableViewSelectionModel<T>> selectionModelListener =
            (observable, oldValue, newValue) -> {
                if (oldValue != null) {
                    oldValue.getSelectedCells().removeListener(weakSelectedCellsListener);
                }
                if (newValue != null) {
                    newValue.getSelectedCells().addListener(weakSelectedCellsListener);
                }
            };

private final WeakChangeListener<TableViewSelectionModel<T>> weakSelectionModelListener =
            new WeakChangeListener<TableViewSelectionModel<T>>(selectionModelListener);

private TwoLevelFocusBehavior tlFocus;

/**************************************************************************
     *                                                                        *
     * Constructors                                                           *
     *                                                                        *
     *************************************************************************/

public TableViewBehavior(TableView<T> control) {
        super(control);

// Fix for RT-16565
        control.selectionModelProperty().addListener(weakSelectionModelListener);
        TableViewSelectionModel<T> sm = control.getSelectionModel();
        if (sm != null) {
            sm.getSelectedCells().addListener(selectedCellsListener);
        }

// Only add this if we're on an embedded platform that supports 5-button navigation
        if (Utils.isTwoLevelFocus()) {
            tlFocus = new TwoLevelFocusBehavior(control); // needs to be last.
        }
    }

@Override public void dispose() {
        if (tlFocus != null) tlFocus.dispose();
        super.dispose();
    }

/**************************************************************************
     *                                                                        *
     * Implement TableViewBehaviorBase abstract methods                       *
     *                                                                        *
     *************************************************************************/

/** {@inheritDoc}  */
    @Override protected int getItemCount() {
        return getControl().getItems() == null ? 0 : getControl().getItems().size();
    }

/** {@inheritDoc}  */
    @Override protected TableFocusModel getFocusModel() {
        return getControl().getFocusModel();
    }

/** {@inheritDoc}  */
    @Override protected TableSelectionModel<T> getSelectionModel() {
        return getControl().getSelectionModel();
    }

/** {@inheritDoc}  */
    @Override protected ObservableList<TablePosition> getSelectedCells() {
        return getControl().getSelectionModel().getSelectedCells();
    }

/** {@inheritDoc}  */
    @Override protected TablePositionBase getFocusedCell() {
        return getControl().getFocusModel().getFocusedCell();
    }

/** {@inheritDoc}  */
    @Override protected int getVisibleLeafIndex(TableColumnBase tc) {
        return getControl().getVisibleLeafIndex((TableColumn)tc);
    }

/** {@inheritDoc}  */
    @Override protected TableColumn<T,?> getVisibleLeafColumn(int index) {
        return getControl().getVisibleLeafColumn(index);
    }

/** {@inheritDoc}  */
    @Override protected void editCell(int row, TableColumnBase tc) {
        getControl().edit(row, (TableColumn)tc);
    }

/** {@inheritDoc}  */
    @Override protected ObservableList<TableColumn<T,?>> getVisibleLeafColumns() {
        return getControl().getVisibleLeafColumns();
    }

/** {@inheritDoc}  */
    @Override protected TablePositionBase<TableColumn<T, ?>>
            getTablePosition(int row, TableColumnBase<T, ?> tc) {
        return new TablePosition(getControl(), row, (TableColumn)tc);
    }

/**************************************************************************
     *                                                                        *
     * Modify TableViewBehaviorBase behavior                                  *
     *                                                                        *
     *************************************************************************/

/** {@inheritDoc} */
    @Override protected void selectAllToFocus(boolean setAnchorToFocusIndex) {
        // Fix for RT-31241
        if (getControl().getEditingCell() != null) return;

super.selectAllToFocus(setAnchorToFocusIndex);
    }
}

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