in src/org/jetbrains/r/visualization/inlays/table/filters/gui/NonAdaptiveChoicesHandler.java [119:145]
private void initEditorChoices(FilterEditor editor) {
AutoChoices autoChoices = editor.getAutoChoices();
if (autoChoices == AutoChoices.DISABLED) {
editor.setChoices(editor.getCustomChoices());
} else {
TableModel model = handler.getTable().getModel();
Class<?> c = model.getColumnClass(editor.getModelIndex());
boolean asEnum = c.equals(Boolean.class) || c.isEnum();
if (asEnum && (autoChoices != AutoChoices.ENUMS)) {
editor.setAutoChoices(AutoChoices.ENUMS);
} else if (!asEnum && (autoChoices == AutoChoices.ENUMS)) {
editor.setAutoChoices(AutoChoices.DISABLED);
} else if (asEnum) {
Set choices = editor.getCustomChoices();
if (c.equals(Boolean.class)) {
choices.add(true);
choices.add(false);
} else {
Collections.addAll(choices, c.getEnumConstants());
}
editor.setChoices(choices);
} else {
setChoicesFromModel(editor);
}
}
}