package com.vaadin.addon.spreadsheet.action;

/*
 * #%L
 * Vaadin Spreadsheet
 * %%
 * Copyright (C) 2013 - 2015 Vaadin Ltd
 * %%
 * This program is available under Commercial Vaadin Add-On License 3.0
 * (CVALv3).
 * 
 * See the file license.html distributed with this software for more
 * information about licensing.
 * 
 * You should have received a copy of the CVALv3 along with this program.
 * If not, see <http://vaadin.com/license/cval-3>.
 * #L%
 */

import java.util.List;

import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.ss.util.CellRangeUtil;
import com.vaadin.addon.spreadsheet.Spreadsheet;
import com.vaadin.addon.spreadsheet.Spreadsheet.SelectionChangeEvent;
import com.vaadin.addon.spreadsheet.SpreadsheetFilterTable;
import com.vaadin.addon.spreadsheet.SpreadsheetTable;

/**
 * Spreadsheet action for inserting a new SpreadsheetTable.
 * 
 * @author Vaadin Ltd.
 * @since 1.0
 * 
 */
@SuppressWarnings("serial")
public class InsertTableAction extends SpreadsheetAction {

    public InsertTableAction() {
        super("");
    }

    @Override
    public boolean isApplicableForSelection(Spreadsheet spreadsheet,
            SelectionChangeEvent event) {
        if (!spreadsheet.getActiveSheet().getProtect()
                && event.getIndividualSelectedCells().size() == 0
                && event.getCellRangeAddresses().size() == 1) {
            List<CellRangeAddress> cras = event.getCellRangeAddresses();
            CellRangeAddress cra = cras.get(0);
            List<SpreadsheetTable> tablesForActiveSheet = spreadsheet
                    .getTablesForActiveSheet();
            // check that the table doesn't contain a table that intersects with
            // the current selection
            for (SpreadsheetTable table : tablesForActiveSheet) {
                if (CellRangeUtil.intersect(cra, table.getFullTableRegion()) != CellRangeUtil.NO_INTERSECTION) {
                    return false;
                }
            }
            if (cra.getFirstRow() != cra.getLastRow()) {
                setCaption("Create Table on " + cra.formatAsString());
                return true;
            }
        }
        return false;
    }

    @Override
    public boolean isApplicableForHeader(Spreadsheet spreadsheet,
            CellRangeAddress headerRange) {
        return false;
    }

    @Override
    public void executeActionOnSelection(Spreadsheet spreadsheet,
            SelectionChangeEvent event) {
        SpreadsheetFilterTable table = new SpreadsheetFilterTable(spreadsheet,
                spreadsheet.getActiveSheet(), event.getCellRangeAddresses()
                        .get(0));
        spreadsheet.registerTable(table);
    }

    @Override
    public void executeActionOnHeader(Spreadsheet spreadsheet,
            CellRangeAddress headerRange) {
        throw new UnsupportedOperationException(
                "Insert table action can't be executed against a header range.");
    }

}