/*
* 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.display;
import java.awt.Color;
import org.opensourcephysics.controls.XMLControl;
import org.opensourcephysics.controls.XMLLoader;
/**
* A class to save and load Arrow objects in an XMLControl.
*/
public class ArrowLoader extends XMLLoader {
/**
* Saves the Arrow's data in the xml control.
* @param control XMLControl
* @param obj Object
*/
public void saveObject(XMLControl control, Object obj) {
Arrow arrow = (Arrow) obj;
control.setValue("x", arrow.x); //$NON-NLS-1$
control.setValue("y", arrow.y); //$NON-NLS-1$
control.setValue("a", arrow.a); //$NON-NLS-1$
control.setValue("b", arrow.b); //$NON-NLS-1$
control.setValue("head size", arrow.headSize); //$NON-NLS-1$
control.setValue("color", arrow.color); //$NON-NLS-1$
}
/**
* Creates an Arrow.
* @param control XMLControl
* @return Object
*/
public Object createObject(XMLControl control) {
return new Arrow(0, 0, 0, 0);
}
/**
* Loads data from the xml control into the Arrow object.
* @param control XMLControl
* @param obj Object
* @return Object
*/
public Object loadObject(XMLControl control, Object obj) {
Arrow arrow = (Arrow) obj;
arrow.x = control.getDouble("x"); //$NON-NLS-1$
arrow.y = control.getDouble("y"); //$NON-NLS-1$
arrow.a = control.getDouble("a"); //$NON-NLS-1$
arrow.b = control.getDouble("b"); //$NON-NLS-1$
arrow.headSize = (float) control.getDouble("head size"); //$NON-NLS-1$
arrow.color = (Color) control.getObject("color"); //$NON-NLS-1$
return obj;
}
}
/*
* 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
*/