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/* DoubleEditor.java
* =========================================================================
* This file is part of the GrInvIn project - http://www.grinvin.org
*
* Copyright (C) 2005-2008 Universiteit Gent
*
* 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.
*
* A copy of the GNU General Public License can be found in the file
* LICENSE.txt provided with the source distribution of this program (see
* the META-INF directory in the source jar). This license can also be
* found on the GNU website at http://www.gnu.org/licenses/gpl.html.
*
* If you did not receive a copy of the GNU General Public License along
* with this program, contact the lead developer, or write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
package org.grinvin.params;
import java.awt.Dimension;
import java.awt.KeyboardFocusManager;
import java.awt.event.ActionEvent;
import java.text.NumberFormat;
import javax.swing.AbstractAction;
import javax.swing.JFormattedTextField;
import javax.swing.KeyStroke;
/**
* Default {@link ParameterEditor} for real numbers. The type implicitely associated
* with this editor, is {@code Double}.
*/
class DoubleEditor implements ParameterEditor {
//
public Double fromText(String string) {
return new Double(string);
}
//
public String toText(Object value) {
return value.toString();
}
//
public ParameterComponent getEditorComponent() {
return new DoubleTextField();
}
//
private static class DoubleTextField extends JFormattedTextField implements ParameterComponent {
//
public DoubleTextField() {
super(NumberFormat.getNumberInstance());
Dimension dim = getPreferredSize();
dim.width = 60;
setPreferredSize(dim);
dim = getMinimumSize ();
dim.width = 60;
setMinimumSize(dim);
getInputMap(WHEN_FOCUSED).put(KeyStroke.getKeyStroke("ENTER"), "focusNextComponent");
getActionMap().put("focusNextComponent", new AbstractAction() {
public void actionPerformed(ActionEvent ev) {
KeyboardFocusManager.getCurrentKeyboardFocusManager().focusNextComponent();
}
});
}
//
public void setParameterValue(Object value) {
setValue((Double)value);
}
//
public Double getParameterValue() {
Number number = (Number)getValue();
if (number instanceof Double)
return (Double)number;
else
return new Double(number.doubleValue());
}
}
}
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