/**
* 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.ui.notations.map.layouts;
import org.eclipse.draw2d.ConnectionAnchor;
import org.eclipse.draw2d.Graphics;
import org.eclipse.draw2d.geometry.Rectangle;
import org.whole.lang.ui.figures.AnchorFactory;
import org.whole.lang.ui.layout.AbstractEntityLayout;
import org.whole.lang.ui.layout.IEntityLayout;
import org.whole.lang.ui.notations.map.borders.UnderlineStyledBorder;
import org.whole.lang.ui.notations.map.figures.IStyledFigure;
/**
* @author Riccardo Solmi
*/
public class LeafLayout extends AbstractEntityLayout implements IStyledLayout {
protected void setAscentDescentWidth(int wHint, int hHint) {
figAscent = ascent(0);
figDescent = descent(0);
figWidth = childSize[0].width;
}
protected void setLocation(Rectangle area, int[] x, int[] y) {
y[0] = area.y;
x[0] = area.x;
}
public void paintConnections(Graphics graphics) {
}
private ConnectionAnchor[] targetAnchors;
public ConnectionAnchor[] getTargetAnchors(IStyledFigure styledFigure) {
if (targetAnchors == null)
targetAnchors = createRootTargetAnchors(styledFigure);
return targetAnchors;
}
protected ConnectionAnchor[] createRootTargetAnchors(IStyledFigure styledFigure) {
if (styledFigure.getShape() instanceof UnderlineStyledBorder)
return new ConnectionAnchor[] {
AnchorFactory.createLeftOrRightBottomAnchor(childFigure[0]),
AnchorFactory.createBottomMiddleAnchor(childFigure[0])
};
else
return new ConnectionAnchor[] {
AnchorFactory.createLeftOrRightMiddleAnchor(childFigure[0]),
AnchorFactory.createTopOrBottomMiddleAnchor(childFigure[0])
};
}
public void invalidateTargetAnchors() {
targetAnchors = null;
}
public IEntityLayout getChildrenLayoutManager() {
throw new UnsupportedOperationException("getChildrenLayoutManager()");
}
}