/*
* org.openmicroscopy.shoola.util.ui.tdialog.BorderListener
*
*------------------------------------------------------------------------------
* Copyright (C) 2006-2014 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.util.ui.tdialog;
//Java imports
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import javax.swing.SwingUtilities;
//Third-party libraries
//Application-internal dependencies
/**
* We no longer use the usual decoration of a <code>JDialog</code> so we need to
* provide our own border listener.
*
* @author Jean-Marie Burel
* <a href="mailto:j.burel@dundee.ac.uk">j.burel@dundee.ac.uk</a>
* @author <br>Andrea Falconi
* <a href="mailto:a.falconi@dundee.ac.uk">a.falconi@dundee.ac.uk</a>
* @version 2.2
* @since OME2.2
*/
class BorderListener
implements MouseMotionListener, MouseListener
{
/** The default border thickness. */
private static int THICKNESS = 10;
/** Reference to the model. */
private TinyDialog model;
/**
* Sets the bounds of the model.
*
* @param bounds The bounds to set.
*/
private void setModelBounds(Rectangle bounds)
{
model.setBounds(bounds);
model.setRestoreSize(new Dimension(bounds.width, bounds.height));
model.validate();
}
/**
* Creates a new instance.
*
* @param model Reference to the Model. Mustn't be <code>null</code>.
*/
BorderListener(TinyDialog model)
{
if (model == null) throw new IllegalArgumentException("No model.");
this.model = model;
}
/** Sets the cursor to be the hand cursor.*/
private void enter()
{
model.getRootPane().setCursor(
Cursor.getPredefinedCursor(Cursor.N_RESIZE_CURSOR));
}
/** Sets the cursor to be the default cursor.*/
private void exit()
{
model.getRootPane().setCursor(Cursor.getDefaultCursor());
}
/**
* Handles mouseDragged events.
* @see MouseMotionListener#mouseDragged(MouseEvent)
*/
public void mouseDragged(MouseEvent e)
{
enter();
model.getRootPane().setCursor(
Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
Rectangle bounds = model.getBounds();
Point p = e.getPoint();
Dimension min = model.getMinimumSize();
Dimension max = model.getMaximumSize();
if (p.x < THICKNESS) {
model.invalidate();
SwingUtilities.convertPointToScreen(p, model.getContentPane());
int diff = bounds.x-p.x;
bounds.x = p.x;
bounds.width += diff;
if (bounds.width > min.width && bounds.width < max.width)
setModelBounds(bounds);
} else if (e.getX() > (model.getWidth()-THICKNESS)) {
model.invalidate();
bounds.width = p.x;
if (bounds.width > min.width && bounds.width < max.width)
setModelBounds(bounds);
} else if (e.getY() < THICKNESS) {
model.invalidate();
SwingUtilities.convertPointToScreen(p, model.getContentPane());
int diff = bounds.y-p.y;
bounds.y = p.y;
bounds.height += diff;
if (bounds.height < max.height && bounds.height > min.height)
setModelBounds(bounds);
} else if (e.getY() > (model.getHeight()-THICKNESS)) {
model.invalidate();
bounds.height = p.y;
if (bounds.height < max.height && bounds.height > min.height)
setModelBounds(bounds);
}
}
/**
* Modifies the cursor
* @see MouseListener#mouseEntered(MouseEvent)
*/
public void mouseEntered(MouseEvent e) { enter(); }
/**
* Modifies the cursor
* @see MouseListener#mouseEntered(MouseEvent)
*/
public void mouseExited(MouseEvent e) { exit(); }
/**
* Required by {@link MouseMotionListener} I/F but not actually needed in
* our case, no op implementation.
* @see MouseMotionListener#mouseMoved(MouseEvent)
*/
public void mouseMoved(MouseEvent e) {}
/**
* Required by {@link MouseListener} I/F but not actually needed in
* our case, no op implementation.
* @see MouseListener#mouseReleased(MouseEvent)
*/
public void mouseReleased(MouseEvent e) {}
/**
* Required by {@link MouseListener} I/F but not actually needed in
* our case, no op implementation.
* @see MouseListener#mouseClicked(MouseEvent)
*/
public void mouseClicked(MouseEvent e) {}
/**
* Required by {@link MouseListener} I/F but not actually needed in
* our case, no op implementation.
* @see MouseListener#mouseReleased(MouseEvent)
*/
public void mousePressed(MouseEvent e) {}
}