/*
* org.openmicroscopy.shoola.agents.metadata.editor.UserDiskSpace
*
*------------------------------------------------------------------------------
* Copyright (C) 2006-2008 University of Dundee. All rights reserved.
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*------------------------------------------------------------------------------
*/
package org.openmicroscopy.shoola.agents.metadata.editor;
//Java imports
import java.awt.BorderLayout;
import java.awt.Dimension;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
//Third-party libraries
import org.jdesktop.swingx.JXBusyLabel;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PiePlot3D;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.util.Rotation;
//Application-internal dependencies
import org.openmicroscopy.shoola.env.data.model.DiskQuota;
import org.openmicroscopy.shoola.util.ui.UIUtilities;
/**
* Builds a graph with the used and free space.
*
* @author Jean-Marie Burel
* <a href="mailto:j.burel@dundee.ac.uk">j.burel@dundee.ac.uk</a>
* @author Donald MacDonald
* <a href="mailto:donald@lifesci.dundee.ac.uk">donald@lifesci.dundee.ac.uk</a>
* @version 3.0
* <small>
* (<b>Internal version:</b> $Revision: $Date: $)
* </small>
* @since OME3.0
*/
class UserDiskSpace
extends JScrollPane
{
/** Reference to the view. */
private UserUI view;
/** The component hosting the data. */
private JPanel data;
/** Builds UI so the chart is not displayed.*/
private void buildChartNotAvailable()
{
JLabel l = UIUtilities.setTextFont("Unable to create chart");
data.add(UIUtilities.buildComponentPanelCenter(l),
BorderLayout.CENTER);
}
/**
* Creates a new instance.
*
* @param view Reference to the view. Mustn't be <code>null</code>.
*/
UserDiskSpace(UserUI view)
{
this.view = view;
data = new JPanel();
data.setLayout(new BorderLayout());
data.setPreferredSize(new Dimension(280, 270));
data.setBackground(UIUtilities.BACKGROUND_COLOR);
setPreferredSize(new Dimension(300, 270));
getViewport().add(data);
}
/** Builds and lays out the GUI. */
void buildGUI()
{
data.removeAll();
DiskQuota quota = view.isDiskSpaceLoaded();
if (quota != null) {
DefaultPieDataset dataset = new DefaultPieDataset();
long free = quota.getAvailableSpace();
long used = quota.getUsedSpace();
if (free < 0 || used < 0) {
buildChartNotAvailable();
return;
}
dataset.setValue("Free "+UIUtilities.formatFileSize(free), free);
dataset.setValue("Used "+UIUtilities.formatFileSize(used),
used);
try {
JFreeChart chart = ChartFactory.createPieChart3D("",
dataset, false, true, false);
PiePlot3D plot = (PiePlot3D) chart.getPlot();
plot.setDirection(Rotation.CLOCKWISE);
plot.setForegroundAlpha(0.55f);
data.add(new ChartPanel(chart), BorderLayout.CENTER);
} catch (Exception e) {
buildChartNotAvailable();
}
} else {
JXBusyLabel busyLabel = new JXBusyLabel();
busyLabel.setBackground(UIUtilities.BACKGROUND_COLOR);
busyLabel.setEnabled(true);
busyLabel.setBusy(true);
JPanel p = UIUtilities.buildComponentPanelCenter(busyLabel);
p.setBackground(UIUtilities.BACKGROUND_COLOR);
data.add(p, BorderLayout.CENTER);
}
revalidate();
repaint();
}
/** Clears data. */
void clearDisplay() { data.removeAll(); }
}