/*
* org.openmicroscopy.shoola.agents.imviewer.actions.LensAction
*
*------------------------------------------------------------------------------
* Copyright (C) 2006 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.actions;
//Java imports
import java.awt.event.ActionEvent;
import javax.swing.Action;
import javax.swing.event.ChangeEvent;
//Third-party libraries
//Application-internal dependencies
import org.openmicroscopy.shoola.agents.imviewer.IconManager;
import org.openmicroscopy.shoola.agents.imviewer.view.ImViewer;
import org.openmicroscopy.shoola.util.ui.UIUtilities;
import org.openmicroscopy.shoola.util.ui.lens.LensComponent;
/**
* Adds/Removes the magnifier to/from the display.
*
* @author Jean-Marie Burel
* <a href="mailto:j.burel@dundee.ac.uk">j.burel@dundee.ac.uk</a>
* @author Andrea Falconi
* <a href="mailto:a.falconi@dundee.ac.uk">a.falconi@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 LensAction
extends ViewerAction
{
/** The name of the action. */
private static final String NAME = "Lens...";
/** The description of the action. */
private static final String DESCRIPTION = "Show or hide the lens.";
/**
* Overridden to make sure that when the action is not active for
* large images.
* @see ViewerAction#onStateChange(ChangeEvent)
*/
protected void onStateChange(ChangeEvent e)
{
if (isEnabled()) {
//Check first is very small.
int sizeX = model.getMaxX();
int sizeY = model.getMaxY();
if (sizeX < LensComponent.LENS_DEFAULT_WIDTH ||
sizeY < LensComponent.LENS_DEFAULT_WIDTH)
setEnabled(false);
else
setEnabled(!model.isBigImage());
}
}
/**
* Creates a new instance.
*
* @param model The model. Mustn't be <code>null</code>.
*/
public LensAction(ImViewer model)
{
super(model, NAME);
setEnabled(true);
putValue(Action.SHORT_DESCRIPTION,
UIUtilities.formatToolTipText(DESCRIPTION));
IconManager icons = IconManager.getInstance();
putValue(Action.SMALL_ICON, icons.getIcon(IconManager.LENS));
}
/**
* Shows or hides the lens.
* @see java.awt.event.ActionListener#actionPerformed(ActionEvent)
*/
public void actionPerformed(ActionEvent e) { model.showLens(); }
}