Java tutorial
/* Copyright 2008-2010 Gephi Authors : Eduardo Ramos <eduramiba@gmail.com> 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 under the [CDDL or GPL Version 3] license." If you do not indicate a single choice of license, a recipient has the option to distribute your version of this file under either the CDDL, the GPL Version 3 or to extend the choice of license to its licensees as provided above. 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 made subject to such option by the copyright holder. Contributor(s): Portions Copyrighted 2011 Gephi Consortium. */ 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 }