/**
* Copyright (C) 2011, Laboratorio di Valutazione delle Prestazioni - Politecnico di Milano
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package jmt.gui.jaba.label;
import java.awt.FontMetrics;
import java.awt.Graphics2D;
import java.awt.geom.Line2D;
import java.util.ArrayList;
import jmt.engine.jaba.DPoint;
/**
* This class places orderly (hopefully) the labels on the x-axis of a plane
*
* @author Sebastiano Spicuglia
*
*/
public class XAxisPlacer extends LabelPlacer {
private static final int DISTANCE_BETWEEN_TWO_LABELS = 2;
private static final int MARK_WIDTH = 10;
private static final int ODD_ADJUSTMENT = 0;
public XAxisPlacer(ArrayList<String> labels, ArrayList<DPoint> points) {
super(labels, points);
}
public void place(Graphics2D g, int yLabelCoord, int yMarkCoord) {
int i;
int previousX, newX, y;
String l;
DPoint p;
FontMetrics fm;
p = points.get(0);
l = labels.get(0);
previousX = 0;
for (i = 0; i < labels.size(); i++) {
l = labels.get(i);
p = points.get(i);
fm = g.getFontMetrics();
newX = (int) (p.getX() - fm.getStringBounds(l, g).getWidth() / 2);
if (newX < previousX + DISTANCE_BETWEEN_TWO_LABELS) {
continue;
}
if (i % 2 == 0)
y = yLabelCoord;
else
y = yLabelCoord + ODD_ADJUSTMENT;
g.drawString(l, newX, y);
g.draw(new Line2D.Double(p.getX(), yMarkCoord - MARK_WIDTH / 2, p
.getX(), yMarkCoord + MARK_WIDTH / 2));
previousX = (int) (newX + fm.getStringBounds(l, g).getWidth());
}
}
}