/**
* Set the layout policy.
*
* @param policy policy defining how the layout is computed
*/
public synchronized void setLayoutPolicy(LayoutPolicy policy) {
if (policy != layoutPolicy) {
switch (layoutPolicy) {
case ComputedInLayoutRunner:
optLayout.release();
optLayout = null;
layoutPipeIn.removeAttributeSink(gg);
layoutPipeIn = null;
layout = null;
break;
case ComputedAtNewImage:
gg.removeSink(layout);
layout.removeAttributeSink(gg);
layout = null;
break;
}
switch (policy) {
case ComputedInLayoutRunner:
layout = Layouts.newLayoutAlgorithm();
optLayout = new LayoutRunner(gg, layout);
layoutPipeIn = optLayout.newLayoutPipe();
layoutPipeIn.addAttributeSink(gg);
break;
case ComputedAtNewImage:
layout = Layouts.newLayoutAlgorithm();
gg.addSink(layout);
layout.addAttributeSink(gg);
break;
}
layoutPolicy = policy;
}
}
/**
* Set the layout policy.
*
* @param policy policy defining how the layout is computed
*/
public synchronized void setLayoutPolicy(LayoutPolicy policy) {
if (policy != layoutPolicy) {
switch (layoutPolicy) {
case COMPUTED_IN_LAYOUT_RUNNER:
// layout.removeListener(this);
optLayout.release();
optLayout = null;
layoutPipeIn.removeAttributeSink(gg);
layoutPipeIn = null;
layout = null;
break;
case COMPUTED_ONCE_AT_NEW_IMAGE:
// layout.removeListener(this);
gg.removeSink(layout);
layout.removeAttributeSink(gg);
layout = null;
break;
default:
break;
}
switch (policy) {
case COMPUTED_IN_LAYOUT_RUNNER:
layout = Layouts.newLayoutAlgorithm();
optLayout = new InnerLayoutRunner();
break;
case COMPUTED_FULLY_AT_NEW_IMAGE:
case COMPUTED_ONCE_AT_NEW_IMAGE:
layout = Layouts.newLayoutAlgorithm();
gg.addSink(layout);
layout.addAttributeSink(gg);
break;
default:
break;
}
// layout.addListener(this);
layoutPolicy = policy;
}
}