loci.visbio.ext.FunctionWidget.java Source code

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Here is the source code for loci.visbio.ext.FunctionWidget.java

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/*
 * #%L
 * VisBio application for visualization of multidimensional biological
 * image data.
 * %%
 * Copyright (C) 2002 - 2014 Board of Regents of the University of
 * Wisconsin-Madison.
 * %%
 * This program 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 2 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 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/gpl-2.0.html>.
 * #L%
 */

package loci.visbio.ext;

import com.jgoodies.forms.builder.PanelBuilder;
import com.jgoodies.forms.factories.ButtonBarFactory;
import com.jgoodies.forms.layout.CellConstraints;
import com.jgoodies.forms.layout.FormLayout;

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JPanel;
import javax.swing.JTextField;

import loci.visbio.util.LAFUtil;

/**
 * FunctionWidget is a set of GUI controls for an ExternalFunction transform.
 */
public class FunctionWidget extends JPanel implements ActionListener {

    // -- Fields --

    /** Associated external function transform. */
    protected ExternalFunction function;

    /** Fields corresponding to function parameters. */
    protected JTextField[] paramFields;

    // -- Constructor --

    public FunctionWidget(final ExternalFunction function) {
        super();
        this.function = function;

        final String[] names = function.getParameterNames();
        final String[] params = function.getParameters();

        // create text fields
        paramFields = new JTextField[params.length];
        for (int i = 0; i < params.length; i++) {
            paramFields[i] = new JTextField(8);
            paramFields[i].setText(params[i]);
        }

        // create apply button
        final JButton apply = new JButton("Apply");
        if (!LAFUtil.isMacLookAndFeel())
            apply.setMnemonic('a');
        apply.addActionListener(this);

        // lay out components
        final StringBuffer sb = new StringBuffer("pref");
        for (int i = 1; i < paramFields.length; i++)
            sb.append(", 3dlu, pref");
        sb.append(", 9dlu, pref");
        final PanelBuilder builder = new PanelBuilder(new FormLayout("pref, 3dlu, pref:grow", sb.toString()));
        final CellConstraints cc = new CellConstraints();
        for (int i = 0; i < paramFields.length; i++) {
            final int row = 2 * i + 1;
            builder.addLabel(names[i], cc.xy(1, row));
            builder.add(paramFields[i], cc.xy(3, row));
        }
        builder.add(ButtonBarFactory.buildCenteredBar(apply), cc.xyw(1, 2 * paramFields.length + 1, 3));

        setLayout(new BorderLayout());
        add(builder.getPanel());
    }

    // -- ActionListener API methods --

    /** Applies changes to this data sampling's parameters. */
    @Override
    public void actionPerformed(final ActionEvent e) {
        final String[] params = new String[paramFields.length];
        for (int i = 0; i < params.length; i++)
            params[i] = paramFields[i].getText();
        function.setParameters(params);
    }

}