/**
* Sets the rule whose properties should be forwarded.
*
* @param rule the rule, can be <code>null</code>
*/
public void setRule(CssRuleContent rule) {
if (this.rule != null && !listeners.isEmpty()) {
this.rule.removeRuleContentListener(forwardListener);
}
this.rule = rule;
if (this.rule != null && !listeners.isEmpty()) {
this.rule.addRuleContentListener(forwardListener);
for (CssRuleContentListener listener : listeners()) {
listener.propertiesChanged(this);
}
}
}
@Override
public void propertiesChanged(CssRuleContent source) {
for (CssRuleContentListener listener : listeners()) {
listener.propertiesChanged(WrappedCssRuleContent.this);
}
}