/**
* adds the <code>variable</code> at <code>position</code>
*
* @param variable the variable to add
* @param position the position at which to add the variable
*/
public void add(Variable<? extends TrickViewFluent> variable, Position position) {
if (!variablesHashSet.contains(variable)) {
int index = 0;
int selectedRow = getSelectedRow();
switch (position) {
case Top:
break;
case Before:
if (selectedRow != -1) {
index = convertRowIndexToModel(selectedRow);
}
break;
case After:
if (selectedRow == -1) {
index = model.getRowCount();
} else {
index = convertRowIndexToModel(selectedRow) + 1;
}
break;
case Bottom:
index = model.getRowCount();
break;
}
variables.add(index, variable);
variablesHashSet.add(variable);
model.fireTableRowsInserted(index, index);
}
}
/** removes all variables */
public void clear() {
int rowCount = model.getRowCount();
if (rowCount > 0) {
variablesHashSet.clear();
variables.clear();
model.fireTableRowsDeleted(0, rowCount - 1);
}
}
/** updates all rows */
public void update() {
int rowCount = model.getRowCount();
if (rowCount > 0) {
model.fireTableRowsUpdated(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;
}
