public void release() {
super.release();
handleDisconnect(startFigure(), endFigure());
if (getStartConnector() != null) {
startFigure().removeFigureChangeListener(this);
}
if (getEndConnector() != null) {
endFigure().removeFigureChangeListener(this);
}
}
public void read(StorableInput dr) throws IOException {
super.read(dr);
Connector start = (Connector) dr.readStorable();
if (start != null) {
connectStart(start);
}
Connector end = (Connector) dr.readStorable();
if (end != null) {
connectEnd(end);
}
if ((start != null) && (end != null)) {
updateConnection();
}
}
/**
* @see
* org.jhotdraw.framework.Figure#removeFromContainer(org.jhotdraw.framework.FigureChangeListener)
*/
public void removeFromContainer(FigureChangeListener c) {
super.removeFromContainer(c);
release();
}
public void write(StorableOutput dw) {
super.write(dw);
dw.writeStorable(getStartConnector());
dw.writeStorable(getEndConnector());
}
/** Removes the point and updates the connection. */
public void removePointAt(int i) {
super.removePointAt(i);
layoutConnection();
}
/** Inserts the point and updates the connection. */
public void insertPointAt(Point p, int i) {
super.insertPointAt(p, i);
layoutConnection();
}
/** Sets the point and updates the connection. */
public void setPointAt(Point p, int i) {
super.setPointAt(p, i);
layoutConnection();
}
public HandleEnumeration handles() {
List handles = super.handles().toList();
// don't allow to reconnect the starting figure
handles.set(0, new NullHandle(this, PolyLineFigure.locator(0)));
return new HandleEnumerator(handles);
}