JFreeChartDialog.java

/*
Copyright 2008-2010 Gephi
Authors : Eduardo Ramos <eduramiba@gmail.com>
Website : http://www.gephi.org

This file is part of Gephi.

Gephi 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.

Gephi 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 Gephi.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.gephi.ui.components;

import java.awt.Dimension;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;

/**
 * UI for showing a JFreeChart with the advantages of ChartPanel and also allows to resize the chart up to a maximum dimension.
 * @author Eduardo Ramos <eduramiba@gmail.com>
 */
public class JFreeChartDialog extends javax.swing.JDialog {

    private ChartPanel chartPanel;
    private static final int MAX_DIMENSION=3000;

    /**
     * Chart can't be null.
     */
    public JFreeChartDialog(java.awt.Frame parent, String title, JFreeChart chart, int initialWidth, int initialHeight) {
        super(parent, false);
        setTitle(title);
        initialize(chart);
        setSize(initialWidth, initialHeight);
        setLocationRelativeTo(parent);
    }

    /**
     * Chart can't be null.
     */
    public JFreeChartDialog(java.awt.Frame parent, JFreeChart chart) {
        super(parent, false);
        initialize(chart);
        setLocationRelativeTo(parent);
    }

    private void initialize(JFreeChart chart) {
        initComponents();
        if (chart == null) {
            throw new IllegalArgumentException("Chart panel can't be null");
        }
        this.chartPanel = new ChartPanel(chart, true);
        
        scroll.setViewportView(chartPanel);
        adaptChartPanelSizeToScrollSize();
        scroll.revalidate();
        scroll.repaint();
        setVisible(true);
    }

    private void adaptChartPanelSizeToScrollSize() {
        chartPanel.setPreferredSize(new Dimension(0, 0));//Let the chartPanel adjust to scroll pane current size.
        chartPanel.revalidate();
        chartPanel.repaint();
    }

    private void applyZoom(float multiplier) {
        int width = (int) (chartPanel.getSize().width * multiplier);
        int heigth = (int) (chartPanel.getSize().height * multiplier);

        width= width > MAX_DIMENSION ? MAX_DIMENSION : width;
        heigth= heigth > MAX_DIMENSION ? MAX_DIMENSION : heigth;

        chartPanel.setPreferredSize(new Dimension(width,heigth));
        chartPanel.revalidate();
        chartPanel.repaint();
    }

    public JFreeChart getChart(){
        return chartPanel.getChart();
    }

    public void setChart(JFreeChart chart){
        if (chart == null) {
            throw new IllegalArgumentException("Chart panel can't be null");
        }
        chartPanel.setChart(chart);
    }

    public Dimension getChartSize(){
        return chartPanel.getSize();
    }

    /** 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() {

        jPanel1 = new javax.swing.JPanel();
        scroll = new javax.swing.JScrollPane();
        closeButton = new javax.swing.JButton();
        resetButton = new javax.swing.JButton();
        zoomOutButton = new javax.swing.JButton();
        zoomInButton = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
        setMinimumSize(new java.awt.Dimension(200, 200));

        scroll.setMinimumSize(new java.awt.Dimension(10, 10));
        scroll.setPreferredSize(new java.awt.Dimension(10, 10));

        closeButton.setText(org.openide.util.NbBundle.getMessage(JFreeChartDialog.class, "JFreeChartDialog.closeButton.text")); // NOI18N
        closeButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                closeButtonActionPerformed(evt);
            }
        });

        resetButton.setIcon(new javax.swing.ImageIcon(getClass().getResource("/org/gephi/ui/components/resources/magnifier-history.png"))); // NOI18N
        resetButton.setText(org.openide.util.NbBundle.getMessage(JFreeChartDialog.class, "JFreeChartDialog.resetButton.text")); // NOI18N
        resetButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                resetButtonActionPerformed(evt);
            }
        });

        zoomOutButton.setIcon(new javax.swing.ImageIcon(getClass().getResource("/org/gephi/ui/components/resources/magnifier--minus.png"))); // NOI18N
        zoomOutButton.setText(org.openide.util.NbBundle.getMessage(JFreeChartDialog.class, "JFreeChartDialog.zoomOutButton.text")); // NOI18N
        zoomOutButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                zoomOutButtonActionPerformed(evt);
            }
        });

        zoomInButton.setIcon(new javax.swing.ImageIcon(getClass().getResource("/org/gephi/ui/components/resources/magnifier--plus.png"))); // NOI18N
        zoomInButton.setText(org.openide.util.NbBundle.getMessage(JFreeChartDialog.class, "JFreeChartDialog.zoomInButton.text")); // NOI18N
        zoomInButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                zoomInButtonActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(scroll, javax.swing.GroupLayout.DEFAULT_SIZE, 256, Short.MAX_VALUE)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(zoomOutButton, javax.swing.GroupLayout.DEFAULT_SIZE, 97, Short.MAX_VALUE)
                    .addComponent(zoomInButton, javax.swing.GroupLayout.DEFAULT_SIZE, 97, Short.MAX_VALUE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                    .addComponent(closeButton, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(resetButton))
                .addContainerGap())
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
                .addComponent(scroll, javax.swing.GroupLayout.DEFAULT_SIZE, 251, Short.MAX_VALUE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(resetButton)
                    .addComponent(zoomInButton))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(zoomOutButton)
                    .addComponent(closeButton))
                .addContainerGap())
        );

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jPanel1, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void closeButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_closeButtonActionPerformed
        dispose();
    }//GEN-LAST:event_closeButtonActionPerformed

    private void resetButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_resetButtonActionPerformed
        adaptChartPanelSizeToScrollSize();
    }//GEN-LAST:event_resetButtonActionPerformed

    private void zoomInButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_zoomInButtonActionPerformed
        applyZoom(1.5f);
    }//GEN-LAST:event_zoomInButtonActionPerformed

    private void zoomOutButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_zoomOutButtonActionPerformed
        applyZoom(0.5f);
    }//GEN-LAST:event_zoomOutButtonActionPerformed

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton closeButton;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JButton resetButton;
    private javax.swing.JScrollPane scroll;
    private javax.swing.JButton zoomInButton;
    private javax.swing.JButton zoomOutButton;
    // End of variables declaration//GEN-END:variables
}