package org.simantics.district.network.ui.table;

import java.util.Collection;

import org.eclipse.nebula.widgets.nattable.command.AbstractLayerCommandHandler;
import org.eclipse.nebula.widgets.nattable.layer.DataLayer;
import org.eclipse.nebula.widgets.nattable.layer.event.ColumnVisualUpdateEvent;
import org.eclipse.nebula.widgets.nattable.layer.event.StructuralRefreshEvent;
import org.eclipse.nebula.widgets.nattable.selection.SelectionLayer;
import org.eclipse.swt.dnd.Clipboard;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class PasteDataCommandHandler extends AbstractLayerCommandHandler<CustomPasteDataCommand> {

	private static final Logger LOGGER = LoggerFactory.getLogger(PasteDataCommandHandler.class);

	private final SelectionLayer selectionLayer;
	private final DataLayer dataLayer;
	private final Clipboard cpb;
	private final TableDataProvider provider;

	public PasteDataCommandHandler(TableDataProvider provider, DataLayer dataLayer, SelectionLayer selectionLayer, Clipboard cpb) {
		this.provider = provider;
		this.dataLayer = dataLayer;
		this.selectionLayer = selectionLayer;
		this.cpb = cpb;
	}

    @Override
    public Class<CustomPasteDataCommand> getCommandClass() {
        return CustomPasteDataCommand.class;
    }

    @Override
    protected boolean doCommand(CustomPasteDataCommand command) {
        String[][] fullData = command.data;
        int pasteRow = command.pasteRow;
        Collection<Integer> pasteColumn = command.getColumnPositions();
        if (pasteRow > -1) {
            provider.setDataValues(pasteColumn, pasteRow, fullData);
            dataLayer.fireLayerEvent(new StructuralRefreshEvent(dataLayer));
        }
        return true;
    }
}