/*
* Geotoolkit - An Open Source Java GIS Toolkit
* http://www.geotoolkit.org
*
* (C) 2012 Geomatys
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library 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
* Lesser General Public License for more details.
*/
package org.geotoolkit.gui.swing.style;
import javax.swing.DefaultBoundedRangeModel;
import javax.swing.GroupLayout;
import javax.swing.JSlider;
import javax.swing.LayoutStyle;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import org.geotoolkit.filter.FilterUtilities;
import static org.geotoolkit.gui.swing.style.StyleElementEditor.getFilterFactory;
import org.geotoolkit.map.MapLayer;
import org.opengis.filter.expression.Expression;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
/**
* Slider and spinner component.
*
* @author Fabien Rétif (Geomatys)
* @author Johann Sorel (Geomatys)
* @author Quentin Boileau (Geomatys)
* @module
*/
public class JNumberSliderExpressionPane extends StyleElementEditor<Expression> {
public JNumberSliderExpressionPane() {
super(Expression.class);
initComponents();
guiNumber.addPropertyChangeListener(new PropertyChangeListener() {
@Override
public void propertyChange(PropertyChangeEvent evt) {
if (StyleElementEditor.PROPERTY_UPDATED.equals(evt.getPropertyName())) {
Expression newValue = (Expression) evt.getNewValue();
if(FilterUtilities.isStatic(newValue)) {
final Number value = newValue.evaluate(null, Number.class);
guiSlider.setValue(value.intValue());
}
firePropertyChange(PROPERTY_UPDATED, null, create());
}
}
});
}
public void setModel(final int value, final int min, final int max, final int step) {
guiNumber.setModel(value, min, max, step);
guiSlider.setModel(new DefaultBoundedRangeModel(value, step, min, max));
}
public void setExpressionVisible(boolean visible){
guiNumber.setExpressionVisible(visible);
}
@Override
public void setLayer(final MapLayer layer) {
super.setLayer(layer);
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
private void initComponents() {
guiSlider = new JSlider();
guiNumber = new JNumberExpressionPane();
guiSlider.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent evt) {
guiSliderStateChanged(evt);
}
});
GroupLayout layout = new GroupLayout(this);
this.setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(guiSlider, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
.addComponent(guiNumber, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE))
);
layout.setVerticalGroup(
layout.createParallelGroup(GroupLayout.Alignment.LEADING)
.addGroup(layout.createParallelGroup(GroupLayout.Alignment.CENTER)
.addComponent(guiNumber, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
.addComponent(guiSlider, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE))
);
}// </editor-fold>//GEN-END:initComponents
private void guiSliderStateChanged(ChangeEvent evt) {//GEN-FIRST:event_guiSliderStateChanged
guiNumber.parse(getFilterFactory().literal(guiSlider.getValue()));
firePropertyChange(PROPERTY_UPDATED, null, create());
}//GEN-LAST:event_guiSliderStateChanged
// Variables declaration - do not modify//GEN-BEGIN:variables
private JNumberExpressionPane guiNumber;
private JSlider guiSlider;
// End of variables declaration//GEN-END:variables
@Override
public void parse(final Expression target) {
if (target != null) {
if (FilterUtilities.isStatic(target)) {
final Number value = target.evaluate(null, Number.class);
if (value != null) {
int intValue = value.intValue();
guiNumber.parse(getFilterFactory().literal(intValue));
guiSlider.setValue(intValue);
}
}
}
}
@Override
public Expression create() {
return guiNumber.create();
}
@Override
protected Object[] getFirstColumnComponents() {
return new Object[]{};
}
}