001    /*
002     * This file is part of McIDAS-V
003     *
004     * Copyright 2007-2013
005     * Space Science and Engineering Center (SSEC)
006     * University of Wisconsin - Madison
007     * 1225 W. Dayton Street, Madison, WI 53706, USA
008     * https://www.ssec.wisc.edu/mcidas
009     * 
010     * All Rights Reserved
011     * 
012     * McIDAS-V is built on Unidata's IDV and SSEC's VisAD libraries, and
013     * some McIDAS-V source code is based on IDV and VisAD source code.  
014     * 
015     * McIDAS-V is free software; you can redistribute it and/or modify
016     * it under the terms of the GNU Lesser Public License as published by
017     * the Free Software Foundation; either version 3 of the License, or
018     * (at your option) any later version.
019     * 
020     * McIDAS-V is distributed in the hope that it will be useful,
021     * but WITHOUT ANY WARRANTY; without even the implied warranty of
022     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
023     * GNU Lesser Public License for more details.
024     * 
025     * You should have received a copy of the GNU Lesser Public License
026     * along with this program.  If not, see http://www.gnu.org/licenses.
027     */
028    package edu.wisc.ssec.mcidasv.monitors.memory;
029    
030    import static javax.swing.GroupLayout.Alignment.LEADING;
031    
032    import javax.swing.GroupLayout;
033    import javax.swing.JLabel;
034    import javax.swing.JPanel;
035    
036    import edu.wisc.ssec.mcidasv.monitors.MonitorEvent;
037    import edu.wisc.ssec.mcidasv.monitors.MonitorManager.MonitorType;
038    import edu.wisc.ssec.mcidasv.monitors.Monitoring;
039    
040    @SuppressWarnings("serial")
041    public class MemoryPanel extends JPanel implements Monitoring {
042        private final JLabel memoryLabel = new JLabel("");
043    
044        public MemoryPanel() {
045            initComponents();
046        }
047    
048        // runs in the EDT! be cautious!
049        public void monitorUpdated(final MonitorEvent event) {
050            if (event.getType() != MonitorType.MEMORY)
051                return;
052    
053            MemoryMonitorEvent memEvent = (MemoryMonitorEvent)event;
054            memoryLabel.setText(memEvent.getReadout());
055            memoryLabel.setBackground(memEvent.getColor());
056            repaint();
057        }
058    
059        private void initComponents() {
060            GroupLayout layout = new GroupLayout(this);
061            this.setLayout(layout);
062            layout.setHorizontalGroup(
063                layout.createParallelGroup(LEADING)
064                .addGroup(layout.createSequentialGroup()
065                    .addContainerGap()
066                    .addComponent(memoryLabel)
067                    .addContainerGap()));
068    
069            layout.setVerticalGroup(
070                layout.createParallelGroup(LEADING)
071                .addGroup(layout.createSequentialGroup()
072                    .addComponent(memoryLabel)));
073    
074            memoryLabel.setToolTipText("Used memory/Max used memory/Max memory");
075            memoryLabel.setOpaque(true);
076            memoryLabel.setBackground(MemoryMonitor.doColorThing(0));
077        }
078    }