ca.sqlpower.matchmaker.swingui.munge.SubstringMungeComponent.java Source code

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Here is the source code for ca.sqlpower.matchmaker.swingui.munge.SubstringMungeComponent.java

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/*
 * Copyright (c) 2008, SQL Power Group Inc.
 *
 * This file is part of DQguru
 *
 * DQguru is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * DQguru 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>. 
 */

package ca.sqlpower.matchmaker.swingui.munge;

import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSpinner;
import javax.swing.SpinnerNumberModel;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

import ca.sqlpower.matchmaker.MatchMakerSession;
import ca.sqlpower.matchmaker.munge.MungeStep;
import ca.sqlpower.matchmaker.munge.SubstringMungeStep;
import ca.sqlpower.validation.swingui.FormValidationHandler;

import com.jgoodies.forms.layout.CellConstraints;
import com.jgoodies.forms.layout.FormLayout;

/**
 * This is the component for SubstringMungeStep. It contains 
 * two JSpinners for users to set the begin and end index.
 */
public class SubstringMungeComponent extends AbstractMungeComponent {

    private JSpinner begin;
    private JSpinner end;

    public SubstringMungeComponent(MungeStep ms, FormValidationHandler handler, MatchMakerSession session) {
        super(ms, handler, session);
    }

    @Override
    protected JPanel buildUI() {
        SubstringMungeStep step = (SubstringMungeStep) getStep();
        if (step == null)
            throw new NullPointerException("Null step!");
        int beginIndex = step.getBegIndex();
        SpinnerNumberModel beginNumberModel = new SpinnerNumberModel(beginIndex, 0, Integer.MAX_VALUE, 1);

        begin = new JSpinner(beginNumberModel);
        begin.addChangeListener(new ChangeListener() {
            public void stateChanged(ChangeEvent e) {
                SubstringMungeStep step = (SubstringMungeStep) getStep();
                step.setBegIndex((Integer) begin.getValue());
            }

        });

        int endIndex = step.getEndIndex();
        SpinnerNumberModel endNumberModel = new SpinnerNumberModel(endIndex, 0, Integer.MAX_VALUE, 1);

        end = new JSpinner(endNumberModel);
        end.addChangeListener(new ChangeListener() {
            public void stateChanged(ChangeEvent e) {
                SubstringMungeStep step = (SubstringMungeStep) getStep();
                step.setEndIndex((Integer) end.getValue());
            }

        });

        FormLayout layout = new FormLayout("4dlu,pref,4dlu,fill:pref:grow,4dlu", // columns
                "4dlu,pref,4dlu,pref,4dlu"); // rows
        CellConstraints cc = new CellConstraints();

        JPanel content = new JPanel(layout);

        content.add(new JLabel("Begin Index:"), cc.xy(2, 2));
        content.add(begin, cc.xy(4, 2));
        content.add(new JLabel("End Index:"), cc.xy(2, 4));
        content.add(end, cc.xy(4, 4));
        return content;
    }
}