/*
* Geotoolkit - An Open Source Java GIS Toolkit
* http://www.geotoolkit.org
*
* (C) 2014, 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.javafx.style;
import java.awt.Color;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Node;
import javafx.scene.control.ColorPicker;
import org.geotoolkit.gui.javafx.util.FXUtilities;
import org.geotoolkit.style.StyleConstants;
import org.opengis.filter.expression.Expression;
import org.opengis.filter.expression.Literal;
/**
*
* @author Johann Sorel (Geomatys)
*/
public class FXColorExpression extends FXExpression {
private final ColorPicker uiPicker = new ColorPicker();
public FXColorExpression(){
uiPicker.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
value.set(getFilterFactory().literal(FXUtilities.toSwingColor(uiPicker.getValue())));
}
});
uiPicker.setMaxWidth(Double.MAX_VALUE);
}
@Override
public Expression newValue() {
return StyleConstants.DEFAULT_FILL_COLOR;
}
@Override
protected Node getEditor() {
return uiPicker;
}
@Override
protected boolean canHandle(Expression exp) {
if(!(exp instanceof Literal)) return false;
final Color color = exp.evaluate(null,Color.class);
if(color!=null){
uiPicker.setValue(FXUtilities.toFxColor(color));
return true;
}
return false;
}
}