/*
* Open Source Physics software is free software as described near the bottom of this code file.
*
* For additional information and documentation on Open Source Physics please see:
* <http://www.opensourcephysics.org/>
*/
/*
* The org.opensourcephysics.media.core package defines the Open Source Physics
* media framework for working with video and other media.
*
* Copyright (c) 2014 Douglas Brown and Wolfgang Christian.
*
* This 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 software 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; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston MA 02111-1307 USA
* or view the license online at http://www.gnu.org/copyleft/gpl.html
*
* For additional information and documentation on Open Source Physics,
* please see <http://www.opensourcephysics.org/>.
*/
package org.opensourcephysics.media.core;
import java.awt.Cursor;
import java.awt.Rectangle;
import java.awt.event.MouseEvent;
import org.opensourcephysics.display.Interactive;
import org.opensourcephysics.display.InteractiveMouseHandler;
import org.opensourcephysics.display.InteractivePanel;
/**
* This is a general purpose mouse handler for a video panel drawing TShapes.
*
* @author Douglas Brown
* @version 1.0
*/
public class VideoMouseHandler implements InteractiveMouseHandler {
// instance fields
Interactive iad = null;
TPoint p = null;
Rectangle bounds;
/**
* Handles a mouse action for a video panel.
*
* @param panel the video panel
* @param e the mouse event
*/
public void handleMouseAction(InteractivePanel panel, MouseEvent e) {
if(!(panel instanceof VideoPanel)) {
return;
}
VideoPanel vidPanel = (VideoPanel) panel;
switch(vidPanel.getMouseAction()) {
case InteractivePanel.MOUSE_PRESSED :
if((iad!=null)&&(iad instanceof TPoint)) {
p = (TPoint) iad;
bounds = p.getBounds(vidPanel);
p.setXY(vidPanel.getMouseX(), vidPanel.getMouseY());
if(bounds!=null) {
bounds.add(p.getBounds(vidPanel));
vidPanel.repaint(bounds);
} else {
vidPanel.repaint();
}
}
break;
case InteractivePanel.MOUSE_RELEASED :
iad = p = null;
break;
case InteractivePanel.MOUSE_DRAGGED :
if(p!=null) {
bounds = p.getBounds(vidPanel);
p.setXY(vidPanel.getMouseX(), vidPanel.getMouseY());
if(bounds!=null) {
bounds.add(p.getBounds(vidPanel));
vidPanel.repaint(bounds);
} else {
vidPanel.repaint();
}
}
break;
case InteractivePanel.MOUSE_MOVED :
if(vidPanel.isDrawingInImageSpace()) {
iad = vidPanel.getInteractive();
}
if((iad!=null)&&(iad instanceof TPoint)) {
vidPanel.setMouseCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
} else {
vidPanel.setMouseCursor(Cursor.getDefaultCursor());
}
break;
}
if(p==null) {
vidPanel.hideMouseBox();
} else {
p.showCoordinates(vidPanel);
}
}
}
/*
* Open Source Physics software is free software; you can redistribute
* it and/or modify it under the terms of the GNU General Public License (GPL) as
* published by the Free Software Foundation; either version 2 of the License,
* or(at your option) any later version.
* Code that uses any portion of the code in the org.opensourcephysics package
* or any subpackage (subdirectory) of this package must must also be be released
* under the GNU GPL license.
*
* This software 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; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston MA 02111-1307 USA
* or view the license online at http://www.gnu.org/copyleft/gpl.html
*
* Copyright (c) 2007 The Open Source Physics project
* http://www.opensourcephysics.org
*/