/*
* org.openmicroscopy.shoola.agents.imviewer.util.UnitBarSizeDialog
*
*------------------------------------------------------------------------------
* Copyright (C) 2006-2015 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.imviewer.util;
//Java imports
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.BoxLayout;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
//Third-party libraries
//Application-internal dependencies
import org.openmicroscopy.shoola.agents.imviewer.ImViewerAgent;
import org.openmicroscopy.shoola.env.ui.UserNotifier;
import org.openmicroscopy.shoola.util.ui.UIUtilities;
import omero.model.LengthI;
import omero.model.enums.UnitsLength;
/**
* Sets the value of the scale bar.
*
* @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 OME2.2
*/
public class UnitBarSizeDialog
extends JDialog
{
/** Bounds property indicating that the a new value is entered. */
public final static String UNIT_BAR_VALUE_PROPERTY = "unitBarValue";
/** The dimension of the text area. */
private static final Dimension DIM = new Dimension(50, 20);
/** The label used to enter the value. */
private JTextField label;
/** The unit of the scalebar */
private UnitsLength unit;
/** Fires a property change if the value entered is a valid number. */
private void handleSelection()
{
try {
final Double val = Double.valueOf(label.getText());
if (val > 0) {
firePropertyChange(UNIT_BAR_VALUE_PROPERTY, Double.valueOf(0),
val);
setVisible(false);
dispose();
} else {
UserNotifier un = ImViewerAgent.getRegistry().getUserNotifier();
un.notifyInfo("Invalid value", "Please enter a positive value");
}
} catch(NumberFormatException nfe) {}
}
/** Sets the properties of this window. */
private void setProperties()
{
setModal(true);
setResizable(false);
}
/** Builds and lays out the UI. */
private void buildGUI()
{
label = new JTextField();
label.setEditable(true);
label.setEnabled(true);
label.setPreferredSize(DIM);
label.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) { handleSelection(); }
});
JPanel p = new JPanel();
p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS));
p.add(new JLabel("Value (in "+LengthI.lookupSymbol(unit)+"): "));
p.add(label);
getContentPane().add(UIUtilities.buildComponentPanel(p));
}
/**
* Creates a new instance.
*
* @param parent The window's parent.
* @param unit The unit of the scalebar
*/
public UnitBarSizeDialog(JFrame parent, UnitsLength unit)
{
super(parent);
this.unit = unit;
setProperties();
buildGUI();
pack();
}
}