/* * 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) {} }