/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2011 by Rapid-I and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapid-i.com
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see http://www.gnu.org/licenses/.
 */
package com.rapidminer.operator.nio;

import java.io.File;

import com.rapidminer.gui.wizards.ConfigurationListener;
import com.rapidminer.operator.OperatorException;
import com.rapidminer.operator.nio.model.AbstractDataResultSetReader;
import com.rapidminer.operator.nio.model.CSVResultSetConfiguration;
import com.rapidminer.operator.nio.model.DataResultSetFactory;
import com.rapidminer.repository.RepositoryLocation;

/**
 * This is the Wizard for Excel Import. It consists of several steps:
 * - Selecting Excel file
 * - Selecting Sheet and possibly selection of sheet
 * - Defining Annotations Step
 * - Defining Meta Data
 * 
 * @author Tobias Malbrecht, Sebastian Loh, Sebastian Land, Simon Fischer
 */
public class CSVImportWizard extends AbstractDataImportWizard {

    private static final long serialVersionUID = 1L;

    public CSVImportWizard() throws OperatorException {
        this(null, null, null);
    }

    /**
     * Using this constructor you can skip the file selection step if already known.
     * @param file
     * @throws OperatorException
     */
    public CSVImportWizard(File file, RepositoryLocation preselectedLocation) throws OperatorException {
        super(null, preselectedLocation, "data_import_wizard");

        // setting available info
        CSVResultSetConfiguration config = (CSVResultSetConfiguration) getState().getDataResultSetFactory();
        config.setCsvFile(file.getAbsolutePath());

        // adding steps
        addStep(new CSVSyntaxConfigurationWizardStep(this, (CSVResultSetConfiguration) getState().getDataResultSetFactory()));
        addCommonSteps();

        layoutDefault(HUGE);
    }

    public CSVImportWizard(CSVExampleSource source, ConfigurationListener listener, RepositoryLocation preselectedLocation) throws OperatorException {
        super(source, preselectedLocation, "data_import_wizard");

        // adding steps
        addStep(new CSVFileSelectionWizardStep(this, (CSVResultSetConfiguration) getState().getDataResultSetFactory()));
        addStep(new CSVSyntaxConfigurationWizardStep(this, (CSVResultSetConfiguration) getState().getDataResultSetFactory()));
        addCommonSteps();
        // addStep(new AnnotationDeclarationWizardStep(state));
        // addStep(new MetaDataDeclarationWizardStep(state));
        // if (source == null) {
        // addStep(new StoreDataWizardStep(this, state, (preselectedLocation != null) ? preselectedLocation.getAbsoluteLocation() : null));
        // }

        layoutDefault(HUGE);
    }

    @Override
    public void cancel() {
        super.cancel();
    }

    @Override
    protected DataResultSetFactory makeFactory(AbstractDataResultSetReader source) throws OperatorException {
        if (source != null) {
            return new CSVResultSetConfiguration((CSVExampleSource) source);
        } else {
            return new CSVResultSetConfiguration();
        }
    }
}