public Widget makeExtraUI(final WebLayerItem item) {
final CheckBox cb =
GwtUtil.makeCheckBox(
"Offset Calculation",
"Calculate the distance, delta(RA), delta(Dec), and PA between two points",
_posAngle);
cb.addValueChangeHandler(
new ValueChangeHandler<Boolean>() {
public void onValueChange(ValueChangeEvent<Boolean> ev) {
_posAngle = ev.getValue();
redraw();
}
});
SimpleInputField units =
SimpleInputField.createByProp("PrefGroup.Generic.field.DistanceReadout");
String pref = Preferences.get(DIST_READOUT);
units.setValue(pref == null ? DEG : pref);
units
.getField()
.addValueChangeHandler(
new ValueChangeHandler<String>() {
public void onValueChange(ValueChangeEvent<String> ev) {
Preferences.set(DIST_READOUT, ev.getValue());
redraw();
}
});
VerticalPanel vp = new VerticalPanel();
vp.add(cb);
vp.add(units);
return vp;
}
private void setDistOnShape(
ShapeDataObj obj, double dist, ShapeDataObj.TextLocation texLoc, boolean isWorld) {
String pref = Preferences.get(DIST_READOUT);
if (isWorld) {
if (pref != null && pref.equals(ARC_MIN)) {
double arcmin = dist * 60.0;
obj.setText(" " + _nf.format(arcmin) + "\'");
} else if (pref != null && pref.equals(ARC_SEC)) {
double arcsec = dist * 3600.0;
obj.setText(" " + _nf.format(arcsec) + "\"");
} else {
obj.setText(" " + _nf.format(dist) + "°");
}
} else {
obj.setText(" " + ((int) dist) + " Pixels");
}
obj.setTextLocation(texLoc);
}