/*
 *    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.property.SimpleObjectProperty;
import javafx.beans.value.ObservableValue;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.control.Alert;
import javafx.scene.control.Button;
import javafx.scene.control.ButtonType;
import javafx.scene.control.ContentDisplay;
import javafx.scene.control.TableCell;
import javafx.scene.control.TableColumn;
import javafx.scene.image.ImageView;
import javafx.scene.layout.Background;
import javafx.scene.layout.Border;
import javafx.util.Callback;
import org.geotoolkit.internal.GeotkFX;

/**
 *
 * @author Johann Sorel (Geomatys)
 */
public class FXDeleteTableColumn extends TableColumn{

    
    public FXDeleteTableColumn(final boolean showWarning) {
        super("Suppression");
        setSortable(false);
        setResizable(false);
        setEditable(false);
        setPrefWidth(24);
        setMinWidth(24);
        setMaxWidth(24);
        setGraphic(new ImageView(GeotkFX.ICON_DELETE));
        
        setCellValueFactory(new Callback<TableColumn.CellDataFeatures, ObservableValue>() {
                @Override
                public ObservableValue call(TableColumn.CellDataFeatures param) {
                    return new SimpleObjectProperty<>(param.getValue());
                }
            });

        setCellFactory(new Callback<TableColumn, TableCell>() {
            @Override
            public TableCell call(TableColumn param) {
                return new DeleteTableCell(showWarning);
            }
        });
        
    }

    private static final class DeleteTableCell extends TableCell<Object, Object>{

        public final Button button = new Button(null,new ImageView(GeotkFX.ICON_DELETE));

        public DeleteTableCell(final boolean showWarning) {
            setContentDisplay(ContentDisplay.GRAPHIC_ONLY);
            setAlignment(Pos.CENTER);
            
            button.setBackground(Background.EMPTY);
            button.setBorder(Border.EMPTY);
            button.setPadding(Insets.EMPTY);
            button.setOnAction(new EventHandler<ActionEvent>() {
                @Override
                public void handle(ActionEvent event) {
                    if(isEmpty()) return;
                    final Object rowItem = getTableRow().getItem();
                    if(showWarning){
                        final ButtonType res = new Alert(Alert.AlertType.CONFIRMATION,"Confirmer la suppression ?",
                            ButtonType.NO, ButtonType.YES).showAndWait().get();
                        if(ButtonType.YES != res) return;
                    }
                    getTableView().getItems().remove(rowItem);
                }
            });
        }

        @Override
        protected void updateItem(Object item, boolean empty) {
            super.updateItem(item, empty);
            setGraphic(empty ? null : button);
        }

    }

}