@Override
public void setSelection(int position) {
if (position == getSelectedItemPosition()) {
return;
}
if (mVariableField == null) {
return;
}
int type = ((VariableViewAdapter) getAdapter()).getVariableAction(position);
switch (type) {
case VariableViewAdapter.ACTION_SELECT_VARIABLE:
super.setSelection(position);
if (mVariableField != null) {
String varName = getAdapter().getItem(position).toString();
mVariableField.setVariable(varName);
}
break;
case VariableViewAdapter.ACTION_RENAME_VARIABLE:
if (mCallback != null) {
mCallback.onVariableRequest(
VariableRequestCallback.REQUEST_RENAME, mVariableField.getVariable());
}
break;
case VariableViewAdapter.ACTION_DELETE_VARIABLE:
if (mCallback != null) {
mCallback.onVariableRequest(
VariableRequestCallback.REQUEST_DELETE, mVariableField.getVariable());
}
break;
}
}
@Override
public void setField(Field field) {
FieldVariable variableField = (FieldVariable) field;
if (mVariableField == variableField) {
return;
}
if (mVariableField != null) {
mVariableField.unregisterObserver(mFieldObserver);
}
mVariableField = variableField;
if (mVariableField != null) {
// Update immediately.
refreshSelection();
mVariableField.registerObserver(mFieldObserver);
} else {
setSelection(0);
}
}