/**
* 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.layout;
import org.eclipse.draw2d.geometry.Rectangle;
/**
* @author Riccardo Solmi
*/
public class BinaryTreeLayout extends AbstractEntityLayout {
public static final int hspacing = 4, vspacing = 8;
protected void setAscentDescentWidth(int wHint, int hHint) {
int figHeight = childSize[0].height + Math.max(childSize[1].height, childSize[2].height) + vspacing;
figAscent = figHeight/2;
figDescent = figHeight - figAscent;
figWidth = Math.max(childSize[0].width,
childSize[1].width + childSize[2].width + hspacing);
// Math.max(prefSize[1].width, prefSize[2].width)+
// (prefSize[1].width + prefSize[2].width)/2 + hspacing);
}
protected void setLocation(Rectangle area, int[] x, int[] y) {
// x[0] = area.x + Math.max(0, (prefSize[1].width + Math.max(prefSize[1].width, prefSize[2].width) + hspacing)/2 - prefSize[0].width/2);
x[0] = area.x + Math.min(
Math.max(0, childSize[1].width + hspacing/2 - childSize[0].width/2),
area.width - childSize[0].width);
y[0] = area.y;
x[1] = area.x;
x[2] = area.x + area.width - childSize[2].width;
y[1] = y[2] = area.y+childSize[0].height + vspacing;
}
}