/** Returns the index of the selected item in the next popup menu. */
public int getNextChoiceIndex() {
if (choice == null) return -1;
Choice thisChoice = (Choice) (choice.elementAt(choiceIndex));
int index = thisChoice.getSelectedIndex();
if (macro) {
String label = (String) labels.get((Object) thisChoice);
String oldItem = thisChoice.getSelectedItem();
int oldIndex = thisChoice.getSelectedIndex();
String item = Macro.getValue(macroOptions, label, oldItem);
if (item != null && item.startsWith("&")) // value is macro variable
item = getChoiceVariable(item);
thisChoice.select(item);
index = thisChoice.getSelectedIndex();
if (index == oldIndex && !item.equals(oldItem)) {
// is value a macro variable?
Interpreter interp = Interpreter.getInstance();
String s = interp != null ? interp.getStringVariable(item) : null;
if (s == null)
IJ.error(getTitle(), "\"" + item + "\" is not a valid choice for \"" + label + "\"");
else item = s;
}
}
if (recorderOn) {
int defaultIndex = ((Integer) (defaultChoiceIndexes.elementAt(choiceIndex))).intValue();
if (!(smartRecording && index == defaultIndex)) {
String item = thisChoice.getSelectedItem();
if (!(item.equals("*None*") && getTitle().equals("Merge Channels")))
recordOption(thisChoice, thisChoice.getSelectedItem());
}
}
choiceIndex++;
return index;
}
private String getChoiceVariable(String item) {
item = item.substring(1);
Interpreter interp = Interpreter.getInstance();
String s = interp != null ? interp.getStringVariable(item) : null;
if (s == null) {
double value = interp != null ? interp.getVariable2(item) : Double.NaN;
if (!Double.isNaN(value)) {
if ((int) value == value) s = "" + (int) value;
else s = "" + value;
}
}
if (s != null) item = s;
return item;
}