/** Treat the current stroke as a lasso selection if it is mostly closed. */
public void actionPerformed(ActionEvent evt) {
_interp.removeCurrentSymbol();
TimedStroke stroke = _interp.getCurrentStroke();
int num = stroke.getVertexCount();
/*
double length = PathLengthFE.pathLength(stroke);
double dist = FEUtilities.distance(stroke.getX(0), stroke.getY(0),
stroke.getX(num-1), stroke.getY(num-1));
double ratio = dist/length;
if(ratio <= CLOSE_PROPORTION){
*/
Polygon2D poly = new Polygon2D.Float();
poly.moveTo(stroke.getX(0), stroke.getY(0));
for (int i = 1; i < num; i++) {
poly.lineTo(stroke.getX(i), stroke.getY(i));
}
poly.closePath();
Iterator iter = _interp.getController().containedSketchFigures(poly);
ArrayList hitFigures = new ArrayList();
while (iter.hasNext()) {
Figure f = (Figure) iter.next();
if (f instanceof FigureDecorator) {
f = ((FigureDecorator) f).getDecoratedFigure();
}
hitFigures.add(f);
}
// }
toggleSelection(hitFigures);
}
/**
* Toggle the selection state of the given figures. Implemented as a template method so that
* subclasses can override the behavior.
*/
protected void toggleSelection(List hitFigures) {
SelectionModel m = _interp.getController().getSelectionModel();
for (Iterator i = hitFigures.iterator(); i.hasNext(); ) {
Figure f = (Figure) i.next();
if (!(m.containsSelection(f))) {
m.addSelection(f);
} else {
m.removeSelection(f);
}
}
}