Package org.gephi.plugins.example.filter

Source Code of org.gephi.plugins.example.filter.TopNodesFilterPanel

/*
Copyright 2008-2011 Gephi
Authors : Mathieu Bastian <mathieu.bastian@gephi.org>
Website : http://www.gephi.org

This file is part of Gephi.

DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

Copyright 2011 Gephi Consortium. All rights reserved.

The contents of this file are subject to the terms of either the GNU
General Public License Version 3 only ("GPL") or the Common
Development and Distribution License("CDDL") (collectively, the
"License"). You may not use this file except in compliance with the
License. You can obtain a copy of the License at
http://gephi.org/about/legal/license-notice/
or /cddl-1.0.txt and /gpl-3.0.txt. See the License for the
specific language governing permissions and limitations under the
License.  When distributing the software, include this License Header
Notice in each file and include the License files at
/cddl-1.0.txt and /gpl-3.0.txt. If applicable, add the following below the
License Header, with the fields enclosed by brackets [] replaced by
your own identifying information:
"Portions Copyrighted [year] [name of copyright owner]"

If you wish your version of this file to be governed by only the CDDL
or only the GPL Version 3, indicate your decision by adding
"[Contributor] elects to include this software in this distribution
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your version of this file under either the CDDL, the GPL Version 3 or
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However, if you add GPL Version 3 code and therefore, elected the GPL
Version 3 license, then the option applies only if the new code is
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Contributor(s):

Portions Copyrighted 2011 Gephi Consortium.
*/
package org.gephi.plugins.example.filter;

import javax.swing.SpinnerNumberModel;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import org.gephi.filters.spi.FilterProperty;
import org.openide.util.WeakListeners;

/**
* Panel for the {@link TopNodesFilter} filter.
* <p>
* It initializes a <code>JSpinner</code> the user can edit to configure the
* top K nodes.
* <p>
* Note the way how it's setting the value:
* <pre>
* FilterProperty top = filter.getProperties()[1];
* top.setValue((Number) topSpinner.getValue());
* </pre>
* It's important to use the <code>FilterProperty</code> to set the value instead
* of the filter's own setter.
*
* @author Mathieu Bastian
*/
public class TopNodesFilterPanel extends javax.swing.JPanel implements ChangeListener {

    private TopNodesFilter filter;

    public TopNodesFilterPanel() {
        initComponents();
    }

    public void stateChanged(ChangeEvent evt) {
        //The property number 1 is the top property
        FilterProperty top = filter.getProperties()[1];
        try {
            top.setValue((Number) topSpinner.getValue());
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public void setup(TopNodesFilter f) {
        this.filter = f;

        final SpinnerNumberModel model = new SpinnerNumberModel(1, 1, Integer.MAX_VALUE, 1);

        topSpinner.setModel(model);
        model.addChangeListener(WeakListeners.change(this, model));
    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {
        java.awt.GridBagConstraints gridBagConstraints;

        jLabel1 = new javax.swing.JLabel();
        topSpinner = new javax.swing.JSpinner();

        setLayout(new java.awt.GridBagLayout());

        jLabel1.setText("Top:"); // NOI18N
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 0;
        gridBagConstraints.insets = new java.awt.Insets(5, 10, 5, 0);
        add(jLabel1, gridBagConstraints);

        topSpinner.setModel(new javax.swing.SpinnerNumberModel(Integer.valueOf(1), Integer.valueOf(1), null, Integer.valueOf(1)));
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 1;
        gridBagConstraints.gridy = 0;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(5, 5, 5, 10);
        add(topSpinner, gridBagConstraints);
    }// </editor-fold>//GEN-END:initComponents
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JLabel jLabel1;
    private javax.swing.JSpinner topSpinner;
    // End of variables declaration//GEN-END:variables
}
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