Java tutorial
/* * Encog(tm) Workbench v3.0 * http://www.heatonresearch.com/encog/ * http://code.google.com/p/encog-java/ * Copyright 2008-2011 Heaton Research, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * For more information on Heaton Research copyrights, licenses * and trademarks visit: * http://www.heatonresearch.com/copyright */ package org.encog.workbench.dialogs.common; import java.awt.BorderLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JLabel; import javax.swing.JPanel; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.data.xy.XYDataset; public class ChartField extends PropertiesField implements ActionListener { private ChartGenerator generator; private int height; private JButton refreshButton; private ChartListener listener; private JPanel chartHolder; public ChartField(String name, ChartGenerator generator, int height) { super(name, "", true); this.generator = generator; this.height = height; } public int createField(JPanel panel, int x, int y, int width) { this.chartHolder = new JPanel(); XYDataset dataset = generator.createDataset(); JFreeChart chart = generator.createChart(dataset); ChartPanel chartPanel = new ChartPanel(chart); chartHolder.setLayout(new BorderLayout()); chartHolder.add(chartPanel, BorderLayout.CENTER); chartHolder.add(this.refreshButton = new JButton("Refresh Chart"), BorderLayout.SOUTH); this.refreshButton.addActionListener(this); this.setField(chartHolder); this.getField().setLocation(5, y); this.getField().setSize(this.getOwner().getWidth() - 5, height); JLabel label = createLabel(); label.setVisible(false); label.setLocation(label.getX(), y); panel.add(label); panel.add(this.getField()); return y + this.getField().getHeight(); } @Override public void collect() throws ValidationException { // TODO Auto-generated method stub } public ChartListener getListener() { return listener; } public void setListener(ChartListener listener) { this.listener = listener; } public void actionPerformed(ActionEvent e) { if (e.getSource() == this.refreshButton) { if (listener != null) { listener.refresh(this); } } } public void refresh() { generator.createDataset(); chartHolder.repaint(); } }