/*
 *    Geotoolkit - An Open Source Java GIS Toolkit
 *    http://www.geotoolkit.org
 *
 *    (C) 2014, Geomatys
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License as published by the Free Software Foundation;
 *    version 2.1 of the License.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 */
package org.geotoolkit.gui.javafx.util;

import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.geometry.Pos;
import javafx.scene.control.CheckBox;
import javafx.scene.control.ContentDisplay;

/**
 *
 * @author Johann Sorel (Geomatys)
 */
public class FXBooleanCell<S> extends FXTableCell<S, Boolean> {
    private final CheckBox checkBox = new CheckBox();

    public FXBooleanCell() {
        checkBox.setDisable(true);
        checkBox.selectedProperty().addListener(new ChangeListener<Boolean>() {
            public void changed(ObservableValue<? extends Boolean> observable, Boolean oldValue, Boolean newValue) {
                if (isEditing()) {
                    commitEdit(newValue);
                }
            }
        });
        this.setGraphic(checkBox);
        this.setContentDisplay(ContentDisplay.GRAPHIC_ONLY);
        this.setEditable(true);
        this.setAlignment(Pos.CENTER);
    }

    @Override
    public void startEdit() {
        super.startEdit();
        if (isEmpty()) {
            return;
        }
        checkBox.setDisable(false);
        checkBox.requestFocus();
    }

    @Override
    public void cancelEdit() {
        super.cancelEdit();
        checkBox.setDisable(true);
    }

    @Override
    public void commitEdit(Boolean value) {
        super.commitEdit(value);
        checkBox.setDisable(true);
    }

    @Override
    public void updateItem(Boolean item, boolean empty) {
        super.updateItem(item, empty);
        if(empty || item == null){
            setGraphic(null);
        }else{
            setGraphic(checkBox);
            checkBox.setSelected(Boolean.TRUE.equals(item));
        }
    }
    
}