/** removes all variables */
public void clear() {
int rowCount = model.getRowCount();
if (rowCount > 0) {
variablesHashSet.clear();
variables.clear();
model.fireTableRowsDeleted(0, rowCount - 1);
}
}
/**
* removes the variable at index <code>i</code>
*
* @param i the index
* @return the removed variable, or <code>null</code> if none exists
*/
public Variable<? extends TrickViewFluent> removeVariable(int i) {
variablesHashSet.remove(variables.get(i));
Variable<? extends TrickViewFluent> variable = variables.remove(i);
model.fireTableRowsDeleted(i, i);
return variable;
}
