/*
* Copyright (C) 2010 Brockmann Consult GmbH (info@brockmann-consult.de)
*
* 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 3 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.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, see http://www.gnu.org/licenses/
*/
package com.bc.ceres.swing.binding.internal;
import com.bc.ceres.binding.PropertyDescriptor;
import com.bc.ceres.swing.binding.BindingContext;
import com.bc.ceres.swing.binding.ComponentAdapter;
import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.JSlider;
import java.awt.Font;
import java.util.Dictionary;
import java.util.Hashtable;
/**
* An editor for numeric values that have an associated range with lower and upper bounds.
* The editor is realized using a JSLider.
*
* @author Marco Zuehlke
* @version $Revision$ $Date$
* @since BEAM 4.6
*/
public class RangeEditor extends NumericEditor {
@Override
public boolean isValidFor(PropertyDescriptor propertyDescriptor) {
// (08.04.2009, mz) For now disabled automatic selection of range editor
// must find better selection criteria.
//
// Class<?> type = propertyDescriptor.getType();
// if (NumericEditor.isNumericType(type)) {
// ValueRange vr = propertyDescriptor.getValueRange();
// if (vr != null && vr.hasMin() && vr.hasMax()) {
// return true;
// }
// }
return false;
}
@Override
public JComponent createEditorComponent(PropertyDescriptor propertyDescriptor, BindingContext bindingContext) {
JSlider slider = new JSlider(0, 100);
Dictionary<Integer, JLabel> sliderLabelTable = createSliderLabelTable();
slider.setLabelTable(sliderLabelTable);
slider.setPaintLabels(true);
ComponentAdapter adapter = new SliderAdapter(slider);
bindingContext.bind(propertyDescriptor.getName(), adapter);
return slider;
}
private Dictionary<Integer, JLabel> createSliderLabelTable() {
Dictionary<Integer, JLabel> sliderLabelTable = new Hashtable<Integer, JLabel>();
sliderLabelTable.put(0, createSliderLabel("0%"));
sliderLabelTable.put(50, createSliderLabel("50%"));
sliderLabelTable.put(100, createSliderLabel("100%"));
return sliderLabelTable;
}
private static JLabel createSliderLabel(String text) {
JLabel label = new JLabel(text);
Font oldFont = label.getFont();
Font newFont = oldFont.deriveFont(oldFont.getSize2D() * 0.85f);
label.setFont(newFont);
return label;
}
}