/**
* Copyright (C) 2001-2017 by RapidMiner and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapidminer.com
*
* This program 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.
*
* 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
* Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License along with this program.
* If not, see http://www.gnu.org/licenses/.
*/
package com.rapidminer.gui.tools;
import java.awt.Component;
import java.awt.FlowLayout;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JProgressBar;
/**
* A panel for delayed calculations.
*
* @author Sebastian Land
*/
public class JDelayedCalculationPanel extends JPanel {
private static final long serialVersionUID = -6010071394984207389L;
private final GridBagLayout layout = new GridBagLayout();
private GridBagConstraints constraints = new GridBagConstraints();
private JButton startButton = new JButton("Start calculation");
private JLabel calculationLabel = new JLabel("Calculation started...");
private Thread calculationThread = null;
public JDelayedCalculationPanel() {
constraints.fill = GridBagConstraints.BOTH;
constraints.insets = new Insets(4, 4, 4, 4);
constraints.weightx = 0;
constraints.weighty = 0;
constraints.gridwidth = GridBagConstraints.REMAINDER;
this.setLayout(layout);
JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
layout.setConstraints(startButton, constraints);
buttonPanel.add(startButton, constraints);
super.add(buttonPanel);
startButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// removing current Content
removeAll();
JPanel panel = new JPanel();
GridBagLayout localLayout = new GridBagLayout();
panel.setLayout(localLayout);
GridBagConstraints c = new GridBagConstraints();
c.fill = GridBagConstraints.BOTH;
c.insets = new Insets(4, 4, 4, 4);
c.weightx = 0;
c.weighty = 0;
c.gridwidth = GridBagConstraints.REMAINDER;
localLayout.setConstraints(calculationLabel, c);
panel.add(calculationLabel);
JProgressBar bar = new JProgressBar();
bar.setIndeterminate(true);
localLayout.setConstraints(bar, c);
panel.add(bar);
constraints.weightx = 1;
constraints.weighty = 1;
layout.setConstraints(panel, constraints);
add(panel);
revalidate();
repaint();
// performing thread
getCalculationThread().start();
}
});
}
public Thread getCalculationThread() {
return calculationThread;
}
@Override
public Component add(Component comp) {
constraints.weightx = 1;
constraints.weighty = 1;
layout.setConstraints(comp, constraints);
return super.add(comp);
}
public void setDelayThread(Thread delayThread) {
this.calculationThread = delayThread;
}
}