/*
* 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.features.nodelocation.LocationModel;
import org.freeplane.view.swing.map.MainView;
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 HorizontalEdgeView extends EdgeView {
private int xs[];
private int ys[];
public HorizontalEdgeView(NodeView source, NodeView target, Component paintedComponent) {
super(source, target, paintedComponent);
}
@Override
protected void createStart() {
if(getSource().isRoot() && ! MainView.USE_COMMON_OUT_POINT_FOR_ROOT_NODE){
super.createStart();
}
else{
if(getTarget().isLeft()){
start = getSource().getMainView().getLeftPoint();
}
else{
start = getSource().getMainView().getRightPoint();
}
}
if(getTarget().isLeft()){
end = getTarget().getMainView().getRightPoint();
}
else{
end = getTarget().getMainView().getLeftPoint();
}
}
@Override
protected void draw(final Graphics2D g) {
final Color color = getColor();
g.setColor(color);
final Stroke stroke = getStroke();
g.setStroke(stroke);
getWidth();
int xMiddle = getTarget().getMap().getZoomed(LocationModel.HGAP) / 2;
final boolean left = getTarget().isLeft()
|| ! MainView.USE_COMMON_OUT_POINT_FOR_ROOT_NODE && getSource().isRoot()&& start.x > end.x;
if (left) {
xMiddle = -xMiddle;
}
xMiddle += start.x;
xs = new int[] { start.x, xMiddle, xMiddle, end.x };
ys = new int[] { start.y, start.y, end.y, 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 CollisionDetector collisionDetector = new CollisionDetector();
for (int i = 1; i < xs.length; i++) {
if (collisionDetector.detectCollision(p, new Line2D.Float(xs[i - 1], ys[i - 1], xs[i], ys[i]))) {
return true;
}
}
return false;
}
}