/*
 *  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.xml;

import java.io.File;

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

/**
 * This is the Wizard for XML Import. It consists of several steps:
 * - Selecting XML file
 * - Specifying XPath Expression for examples
 * - Specifying XPath Expressions for attributes
 * - Defining Meta Data
 * 
 * @author Sebastian Land
 */
public class XMLImportWizard extends AbstractDataImportWizard {

    private static final long serialVersionUID = 1L;

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

    public XMLImportWizard(File file, RepositoryLocation preselectedLocation) throws OperatorException {
        super(null, preselectedLocation, "data_import_wizard");

        // adding steps
        // ExcelResultSetConfiguration excelConfig = (ExcelResultSetConfiguration) getState().getDataResultSetFactory();
        // excelConfig.setWorkbookFile(file);
        //
        // ExcelSheetSelectionWizardStep wizardStep = new ExcelSheetSelectionWizardStep(excelConfig);
        // wizardStep.performEnteringAction(WizardStepDirection.FORWARD);
        // addStep(wizardStep);
        addStep(new MetaDataDeclarationWizardStep(getState()));
		if (getReader() == null) {
			addStep(new StoreDataWizardStep(this, getState(), (preselectedLocation != null) ? preselectedLocation.getAbsoluteLocation() : null));
		}

        layoutDefault(HUGE);
    }

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

        // adding steps
        addStep(new XMLFileSelectionWizardStep(this, (XMLResultSetConfiguration) getState().getDataResultSetFactory()));
        addStep(new XMLNamespaceMapWizardStep(this, (XMLResultSetConfiguration) getState().getDataResultSetFactory()));
        addStep(new XMLExampleExpressionWizardStep(this, (XMLResultSetConfiguration) getState().getDataResultSetFactory()));
        addStep(new XMLAttributeExpressionWizardStep(this, (XMLResultSetConfiguration) getState().getDataResultSetFactory())); 

        addStep(new MetaDataDeclarationWizardStep(getState()));
		if (getReader() == null) {
			addStep(new StoreDataWizardStep(this, getState(), (preselectedLocation != null) ? preselectedLocation.getAbsoluteLocation() : null));
		}

        layoutDefault(HUGE);
    }

    @Override
    protected DataResultSetFactory makeFactory(AbstractDataResultSetReader reader) throws OperatorException {
        if (reader != null) {
            return new XMLResultSetConfiguration((XMLExampleSource) reader);
        } else {
            return new XMLResultSetConfiguration();
        }
    }
}