/*
* 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/>
*/
package org.opensourcephysics.media.core;
import java.awt.event.MouseEvent;
import java.awt.geom.Point2D;
import org.opensourcephysics.display.DrawingPanel;
import org.opensourcephysics.display.axes.CartesianCoordinateStringBuilder;
/**
* A coordinate string builder for a video panel.
*/
public class VidCartesianCoordinateStringBuilder extends CartesianCoordinateStringBuilder {
protected VidCartesianCoordinateStringBuilder() {
super();
}
protected VidCartesianCoordinateStringBuilder(String xLabel, String yLabel) {
super(xLabel, yLabel);
}
/**
* Converts the pixel coordinates in a mouse event into world coordinates and
* return these coordinates in a string.
*
* @param panel the drawing panel
* @param e the mouse event
* @return the coordinate string
*/
public String getCoordinateString(DrawingPanel panel, MouseEvent e) {
if(!(panel instanceof VideoPanel)) {
return super.getCoordinateString(panel, e);
}
VideoPanel vidPanel = (VideoPanel) panel;
Point2D pt = vidPanel.getWorldMousePoint();
return getCoordinateString(pt.getX(), pt.getY());
}
/**
* Returns the specified xy coordinates in a string.
*
* @param x the x
* @param y the y
* @return the coordinate string
*/
public String getCoordinateString(double x, double y) {
String msg;
if((Math.abs(x)>100)||(Math.abs(x)<0.01)||(Math.abs(y)>100)||(Math.abs(y)<0.01)) {
msg = xLabel+scientificFormat.format((float) x)+yLabel+scientificFormat.format((float) y);
} else {
msg = xLabel+decimalFormat.format((float) x)+yLabel+decimalFormat.format((float) y);
}
return msg;
}
}
/*
* 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
*/