/**
* Copyright (C) 2001-2017 by RapidMiner and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapidminer.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 com.rapidminer.gui.tools.dialogs.wizards.AbstractWizard;
import com.rapidminer.gui.tools.dialogs.wizards.AbstractWizard.WizardStepDirection;
import com.rapidminer.gui.tools.dialogs.wizards.dataimport.FileSelectionWizardStep;
import com.rapidminer.operator.nio.model.ExcelResultSetConfiguration;
import java.io.File;
import javax.swing.filechooser.FileFilter;
/**
* This step allows to select an file. With this file the {@link ExcelResultSetConfiguration} will
* be created.
*
* @author Sebastian Land
*
*/
public class ExcelFileSelectionWizardStep extends FileSelectionWizardStep {
private ExcelResultSetConfiguration configuration;
/**
* There must be a configuration given, but might be empty.
*/
public ExcelFileSelectionWizardStep(AbstractWizard parent, ExcelResultSetConfiguration configuration) {
super(parent, new FileFilter() {
@Override
public boolean accept(File f) {
return f.isDirectory() || f.getName().endsWith("xls") || f.getName().endsWith("xlsx");
}
@Override
public String getDescription() {
return "Excel Spreadsheets (.xls, .xlsx)";
}
});
this.configuration = configuration;
}
@Override
protected boolean performEnteringAction(WizardStepDirection direction) {
if (configuration.getFile() != null) {
this.fileChooser.setSelectedFile(configuration.getFile());
}
return true;
}
@Override
protected boolean performLeavingAction(WizardStepDirection direction) {
configuration.setWorkbookFile(getSelectedFile());
return true;
}
}