/*
* This file is part of LaTeXDraw.
* Copyright (c) 2005-2017 Arnaud BLOUIN
* LaTeXDraw 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.
* LaTeXDraw is distributed 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.
*/
package net.sf.latexdraw.models.impl;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;
import net.sf.latexdraw.models.interfaces.prop.IArcProp;
import net.sf.latexdraw.models.interfaces.shape.ArcStyle;
import net.sf.latexdraw.models.interfaces.shape.IGroup;
import net.sf.latexdraw.models.interfaces.shape.IShape;
/**
* This trait encapsulates the code of the group related to the support of IArcProp shapes.
* @author Arnaud Blouin
*/
interface LGroupArc extends IGroup {
/** May return the first IArcProp shape of the group. */
default <T extends IShape & IArcProp> Optional<T> firstIArcProp() {
return (Optional<T>) arcShapes().stream().filter(sh -> sh.isTypeOf(IArcProp.class)).findFirst();
}
default <T extends IShape & IArcProp> List<T> arcShapes() {
return getShapes().stream().filter(sh -> sh instanceof IArcProp).map(sh -> (T) sh).collect(Collectors.toList());
}
@Override
default ArcStyle getArcStyle() {
return firstIArcProp().map(arc -> arc.getArcStyle()).orElse(ArcStyle.ARC);
}
@Override
default void setArcStyle(final ArcStyle typeArc) {
arcShapes().forEach(sh -> sh.setArcStyle(typeArc));
}
@Override
default double getAngleStart() {
return firstIArcProp().map(arc -> arc.getAngleStart()).orElse(Double.NaN);
}
@Override
default void setAngleStart(final double angleStart) {
arcShapes().forEach(sh -> sh.setAngleStart(angleStart));
}
@Override
default double getAngleEnd() {
return firstIArcProp().map(arc -> arc.getAngleEnd()).orElse(Double.NaN);
}
@Override
default void setAngleEnd(final double angleEnd) {
arcShapes().forEach(sh -> sh.setAngleEnd(angleEnd));
}
}