Beispiel #1
0
  public final void perform(Command c) throws MyError {
    int n = c.getArgumentNumber();
    GeoElement[] arg;

    switch (n) {
      case 1:
        arg = resArgs(c);
        if (arg[0].isNumberValue()) {
          GeoNumeric layerGeo = (GeoNumeric) arg[0];
          int layer = (int) layerGeo.getDouble();

          Iterator<GeoElement> it = kernelA.getConstruction().getGeoSetLabelOrder().iterator();
          while (it.hasNext()) {
            GeoElement geo = it.next();
            if (geo.getLayer() == layer) {
              geo.setEuclidianVisible(true);
              geo.updateRepaint();
            }
          }

          return;

        } else throw argErr(app, c.getName(), null);

      default:
        throw argNumErr(app, c.getName(), n);
    }
  }
Beispiel #2
0
  /*
   * Michael Borcherds 2008-03-03 return -1 if nothing selected return -2 if
   * objects from more than one layer selected return layer number if objects
   * from exactly one layer are selected
   */
  private int getSelectedLayer() {
    Object[] geos = app.getSelectedGeos().toArray();
    if (geos.length == 0) return -1; // return -1 if nothing selected

    int layer = ((GeoElement) geos[0]).getLayer();

    for (int i = 1; i < geos.length; i++) {
      GeoElement geo = (GeoElement) geos[i];
      if (geo.getLayer() != layer) return -2; // return -2 if more than one layer selected
    }
    return layer;
  }
Beispiel #3
0
 /**
  * Get the layer of a Geo
  *
  * @param geo the geo
  * @return the geo's layer
  */
 public static int getLayer(GeoElement geo) {
   return geo.getLayer();
 }