/*
* 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.Stroke;
import java.awt.geom.Line2D;
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 LinearEdgeView extends EdgeView {
public LinearEdgeView(NodeView source, NodeView target, Component paintedComponent) {
super(source, target, paintedComponent);
}
@Override
protected void draw(final Graphics2D g) {
final Color color = getColor();
g.setColor(color);
final Stroke stroke = getStroke();
g.setStroke(stroke);
final int w = getWidth();
if (w <= 1) {
g.drawLine(start.x, start.y, end.x, end.y);
if (isTargetEclipsed()) {
g.setColor(g.getBackground());
g.setStroke(EdgeView.getEclipsedStroke());
g.drawLine(start.x, start.y, end.x, end.y);
g.setColor(color);
g.setStroke(stroke);
}
}
else {
final Point startControlPoint = getControlPoint(getStartConnectorLocation());
final int zoomedXCTRL = w + 1;
final int xctrl = startControlPoint.x * zoomedXCTRL;
final int yctrl = startControlPoint.y * zoomedXCTRL;
final Point endControlPoint = getControlPoint(getEndConnectorLocation());
final int childXctrl = endControlPoint.x * zoomedXCTRL;
final int childYctrl = endControlPoint.y * zoomedXCTRL;
final int xs[] = { start.x, start.x + xctrl, end.x + childXctrl, end.x };
final int ys[] = { start.y, start.y + yctrl, end.y + childYctrl, end.y };
g.drawPolyline(xs, ys, 4);
if (isTargetEclipsed()) {
g.setColor(g.getBackground());
g.setStroke(EdgeView.getEclipsedStroke());
g.drawPolyline(xs, ys, 4);
g.setColor(color);
g.setStroke(stroke);
}
}
}
@Override
public boolean detectCollision(final Point p) {
final Line2D line = new Line2D.Float(start, end);
return new CollisionDetector().detectCollision(p, line);
}
}