/** Adds a new constraint. */
private void addConstraint() {
IDecisionVariable variable = getVariable();
ConstraintEditorDialog dlg = new ConstraintEditorDialog(getShell(), variable, null);
if (ConstraintEditorDialog.OK == dlg.open()) {
String constraint = dlg.getConstraintText();
if (constraint.length() > 0) {
try {
if (null == variableValue) {
variableValue =
(ContainerValue)
ValueFactory.createValue(
variable.getDeclaration().getType(), ValueFactory.EMPTY);
variable.setValue(variableValue, AssignmentState.ASSIGNED);
}
if (null != variableValue) {
Value val = createConstraintValue(constraint);
checkForDuplicates(val, -1);
variableValue.addElement(val);
TableItem item = new TableItem(tableViewer.getTable(), SWT.NULL);
item.setText(constraint);
setDirty();
}
} catch (ValueDoesNotMatchTypeException e) {
exceptionDialog(e);
} catch (ConfigurationException e) {
exceptionDialog(e);
}
}
}
}
