/*
* Freeplane - mind map editor
* Copyright (C) 2008 Joerg Mueller, Daniel Polansky, Christian Foltin, Dimitry Polivaev
*
* This file is modified by Dimitry Polivaev in 2008.
*
* This program 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.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.freeplane.view.swing.map.edge;
import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.Shape;
import java.awt.Stroke;
import java.awt.geom.GeneralPath;
import org.freeplane.view.swing.map.NodeView;
import org.freeplane.view.swing.map.link.CollisionDetector;
/**
* This class represents a single Edge of a MindMap.
*/
public class SummaryEdgeView extends EdgeView {
private static final int CHILD_XCTRL = 20;
private static final int XCTRL = 6;
public SummaryEdgeView(NodeView source, NodeView target, Component paintedComponent) {
super(source, target, paintedComponent);
}
@Override
protected void draw(final Graphics2D g) {
final Shape graph = update();
final Color color = getColor();
g.setColor(color);
final Stroke stroke = getStroke();
g.setStroke(stroke);
g.draw(graph);
}
private Shape update() {
final boolean isLeft = getTarget().isLeft();
final int sign = isLeft ? -1 : 1;
final int xctrl = getMap().getZoomed(sign * SummaryEdgeView.XCTRL);
final int childXctrl = getMap().getZoomed(sign * SummaryEdgeView.CHILD_XCTRL);
final GeneralPath path = new GeneralPath(GeneralPath.WIND_EVEN_ODD, 5);
final int startX;
if(isLeft)
startX = Math.min(start.x, end.x - childXctrl);
else
startX = Math.max(start.x, end.x - childXctrl);
path.moveTo(startX + xctrl, start.y);
path.lineTo(startX + 2 *xctrl, start.y);
path.curveTo(startX + 3 * xctrl, start.y, startX, end.y, end.x, end.y);
return path;
}
@Override
public boolean detectCollision(final Point p) {
final Shape graph = update();
return new CollisionDetector().detectCollision(p, graph);
}
}