+ private int mouseLeftReleaseCount = 0;
+
+ protected boolean processMouseButtonRelease(MouseButtonReleasedEvent me) {
+ if (me.button == MouseEvent.LEFT_BUTTON
+ && ++mouseLeftReleaseCount == 1) {
+ return tryEndConnection();
+ }
+ return false;
+ }
+
+ /**
+ * @return <code>true</code> if connection was successfully ended
+ */
+ private boolean tryEndConnection() {
+ if (isEndTerminalDefined()) {
+ createConnection();
+ remove();
+ return true;
+ }
+ return false;
+ }
+