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jlechner |
/* BasicButtonListener.java --
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Copyright (C) 2004, 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.swing.plaf.basic;
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import java.awt.event.ActionEvent;
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import java.awt.event.FocusEvent;
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import java.awt.event.FocusListener;
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import java.awt.event.InputEvent;
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import java.awt.event.MouseEvent;
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import java.awt.event.MouseListener;
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import java.awt.event.MouseMotionListener;
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import java.beans.PropertyChangeEvent;
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import java.beans.PropertyChangeListener;
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import javax.swing.AbstractAction;
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import javax.swing.AbstractButton;
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import javax.swing.ButtonModel;
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import javax.swing.JComponent;
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import javax.swing.event.ChangeEvent;
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import javax.swing.event.ChangeListener;
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public class BasicButtonListener implements MouseListener, MouseMotionListener,
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FocusListener, ChangeListener, PropertyChangeListener
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{
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public BasicButtonListener(AbstractButton b)
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{
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// Do nothing here.
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}
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public void propertyChange(PropertyChangeEvent e)
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{
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// TODO: What should be done here, if anything?
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}
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protected void checkOpacity(AbstractButton b)
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{
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// TODO: What should be done here?
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}
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public void focusGained(FocusEvent e)
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{
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if (e.getSource() instanceof AbstractButton)
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{
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AbstractButton button = (AbstractButton) e.getSource();
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if (button.isFocusPainted())
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button.repaint();
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}
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}
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public void focusLost(FocusEvent e)
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{
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if (e.getSource() instanceof AbstractButton)
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{
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AbstractButton button = (AbstractButton) e.getSource();
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if (button.isFocusPainted())
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button.repaint();
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}
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}
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public void installKeyboardActions(JComponent c)
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{
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c.getActionMap().put("pressed",
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new AbstractAction()
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{
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public void actionPerformed(ActionEvent e)
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{
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AbstractButton button = (AbstractButton) e.getSource();
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ButtonModel model = button.getModel();
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// It is important that these transitions happen in this order.
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model.setArmed(true);
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model.setPressed(true);
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}
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});
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c.getActionMap().put("released",
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new AbstractAction()
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{
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public void actionPerformed(ActionEvent e)
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{
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AbstractButton button = (AbstractButton) e.getSource();
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ButtonModel model = button.getModel();
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// It is important that these transitions happen in this order.
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model.setPressed(false);
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model.setArmed(false);
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}
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});
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}
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public void uninstallKeyboardActions(JComponent c)
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{
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c.getActionMap().put("pressed", null);
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c.getActionMap().put("released", null);
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}
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public void stateChanged(ChangeEvent e)
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{
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// TODO: What should be done here, if anything?
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}
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public void mouseMoved(MouseEvent e)
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{
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// TODO: What should be done here, if anything?
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}
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public void mouseDragged(MouseEvent e)
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{
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// TODO: What should be done here, if anything?
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}
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public void mouseClicked(MouseEvent e)
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{
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// TODO: What should be done here, if anything?
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}
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/**
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* Accept a mouse press event and arm the button.
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*
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* @param e The mouse press event to accept
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*/
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public void mousePressed(MouseEvent e)
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{
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if (e.getSource() instanceof AbstractButton)
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{
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AbstractButton button = (AbstractButton) e.getSource();
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ButtonModel model = button.getModel();
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if (e.getButton() == MouseEvent.BUTTON1)
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{
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// It is important that these transitions happen in this order.
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model.setArmed(true);
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model.setPressed(true);
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}
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}
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}
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/**
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* Accept a mouse release event and set the button's
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* "pressed" property to <code>true</code>, if the model
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* is armed. If the model is not armed, ignore the event.
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*
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* @param e The mouse release event to accept
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*/
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public void mouseReleased(MouseEvent e)
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{
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if (e.getSource() instanceof AbstractButton)
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{
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AbstractButton button = (AbstractButton) e.getSource();
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ButtonModel model = button.getModel();
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if (e.getButton() == MouseEvent.BUTTON1)
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{
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// It is important that these transitions happen in this order.
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model.setPressed(false);
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model.setArmed(false);
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}
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}
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}
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/**
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* Accept a mouse enter event and set the button's "rollover" property to
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* <code>true</code>, if the button's "rolloverEnabled" property is
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* <code>true</code>. If the button is currently armed and the mouse
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* button is not held down, this enter event will also disarm the model.
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*
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* @param e The mouse enter event to accept
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*/
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public void mouseEntered(MouseEvent e)
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{
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if (e.getSource() instanceof AbstractButton)
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{
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AbstractButton button = (AbstractButton) e.getSource();
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ButtonModel model = button.getModel();
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if (button.isRolloverEnabled())
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model.setRollover(true);
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if (model.isPressed()
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&& (e.getModifiersEx() & InputEvent.BUTTON1_DOWN_MASK) != 0)
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model.setArmed(true);
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else
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model.setArmed(false);
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}
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}
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/**
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* Accept a mouse exit event and set the button's model's "rollover"
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* property to <code>false</code>, if it's "rolloverEnabled" property is
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* <code>true</code>. Also disarm the button.
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*
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* @param e The mouse exit event to accept
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*/
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public void mouseExited(MouseEvent e)
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{
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if (e.getSource() instanceof AbstractButton)
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{
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AbstractButton button = (AbstractButton) e.getSource();
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ButtonModel model = button.getModel();
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if (button.isRolloverEnabled())
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model.setRollover(false);
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model.setArmed(false);
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}
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}
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}
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