private void setUpFrameSet(final NodeImpl fsrn) {
this.isFrameSet = true;
this.htmlBlockPanel = null;
final FrameSetPanel fsp = this.createFrameSetPanel();
this.frameSetPanel = fsp;
this.nodeRenderer = fsp;
this.removeAll();
this.add(fsp);
fsp.setRootNode(fsrn);
}
