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Added link direction to network graph

This commit is contained in:
nifi 2010-10-28 21:50:22 +00:00
parent f0417d8be3
commit 3c65b1d5bc
1 changed files with 36 additions and 3 deletions
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39
examples/sky-shell/src/se/sics/contiki/collect/gui/MapPanel.java
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@ -26,7 +26,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: MapPanel.java,v 1.7 2010/10/22 13:39:52 nifi Exp $
* $Id: MapPanel.java,v 1.8 2010/10/28 21:50:22 nifi Exp $
*
* -----------------------------------------------------------------
*
@ -34,8 +34,8 @@
*
* Authors : Joakim Eriksson, Niclas Finne
* Created : 3 jul 2008
* Updated : $Date: 2010/10/22 13:39:52 $
* $Revision: 1.7 $
* Updated : $Date: 2010/10/28 21:50:22 $
* $Revision: 1.8 $
*/
package se.sics.contiki.collect.gui;
@ -47,6 +47,7 @@ import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GridLayout;
import java.awt.Polygon;
import java.awt.RenderingHints;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
@ -480,6 +481,7 @@ public class MapPanel extends JPanel implements Configurable, Visualizer, Action
int x2 = linkNode.x;
int y2 = linkNode.y;
g2d.drawLine(n.x, n.y, x2, y2);
drawArrow(g, n.x, n.y, x2, y2, 3);
if (!hideNetwork) {
int xn1, xn2, yn1, yn2;
if (n.x <= x2) {
@ -516,6 +518,36 @@ public class MapPanel extends JPanel implements Configurable, Visualizer, Action
}
}
private Polygon arrowPoly = new Polygon();
private void drawArrow(Graphics g, int xSource, int ySource, int xDest, int yDest, int delta) {
double dx = xSource - xDest;
double dy = ySource - yDest;
double dir = Math.atan2(dx, dy);
double len = Math.sqrt(dx * dx + dy * dy);
dx /= len;
dy /= len;
len -= delta;
xDest = xSource - (int) (dx * len);
yDest = ySource - (int) (dy * len);
g.drawLine(xDest, yDest, xSource, ySource);
final int size = 8;
arrowPoly.reset();
arrowPoly.addPoint(xDest, yDest);
arrowPoly.addPoint(xDest + xCor(size, dir + 0.5), yDest + yCor(size, dir + 0.5));
arrowPoly.addPoint(xDest + xCor(size, dir - 0.5), yDest + yCor(size, dir - 0.5));
arrowPoly.addPoint(xDest, yDest);
g.fillPolygon(arrowPoly);
}
private int yCor(int len, double dir) {
return (int)(0.5 + len * Math.cos(dir));
}
private int xCor(int len, double dir) {
return (int)(0.5 + len * Math.sin(dir));
}
// -------------------------------------------------------------------
// ActionListener
@ -532,6 +564,7 @@ public class MapPanel extends JPanel implements Configurable, Visualizer, Action
} else if (!isMap && source == lockedItem) {
if (popupNode != null) {
popupNode.hasFixedLocation = lockedItem.isSelected();
repaint();
}
} else if (!isMap && source == layoutItem) {