/**
* Copyright 2004-2016 Riccardo Solmi. All rights reserved.
* This file is part of the Whole Platform.
*
* The Whole Platform 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, either version 3 of the License, or
* (at your option) any later version.
*
* The Whole Platform 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.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the Whole Platform. If not, see <http://www.gnu.org/licenses/>.
*/
package org.whole.lang.math.ui.editparts;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.draw2d.IFigure;
import org.whole.lang.math.model.Subtraction;
import org.whole.lang.math.reflect.OperatorGroupEnum;
import org.whole.lang.math.ui.figures.InfixExpressionFigure;
import org.whole.lang.model.IEntity;
import org.whole.lang.ui.editparts.AbstractContentPanePart;
/**
* @author Riccardo Solmi
*/
public class SubtractionPart extends AbstractContentPanePart {
protected IFigure createFigure() {
return new InfixExpressionFigure("\u2212");
}
protected List<IEntity> getModelSpecificChildren() {
Subtraction entity = getModelEntity();
IEntity exp1 = entity.getMinuend();
IEntity exp2 = entity.getSubtrahend();
refreshPrecedence(entity, exp1, exp2);
List<IEntity> list = new ArrayList<IEntity>(2);
list.add(exp1);
list.add(exp2);
return list;
}
protected void refreshPrecedence(IEntity exp, IEntity exp1, IEntity exp2) {
InfixExpressionFigure fig = (InfixExpressionFigure) getFigure();
fig.showLeftParen(OperatorGroupEnum.hasPrecedence(exp, exp1));
fig.showRightParen(OperatorGroupEnum.hasPrecedence(exp, exp2));
}
}