/**
* Select/Deselect all children nodes and propagates selection to grand-children nodes.
*
* @param abstractNode the abstract node.
* @param enabled true when the node is checked, false otherwise.
*/
private void updateEnabledState(@NonNull AbstractNode node, boolean enabled) {
if (node instanceof ResultValidatableNode) {
ResultConstrainingNode otherTreeNode =
((ResultValidatableNode) node).getResultConstrainingNode();
otherTreeNode.setEnabled(enabled);
} else if (node instanceof ResultConstrainingNode) {
ResultValidatableNode otherTreeNode =
((ResultConstrainingNode) node).getResultValidatableNode();
otherTreeNode.setEnabled(enabled);
} else {
for (AbstractNode child : node.getChildren()) {
node.setEnabled(enabled);
if (child != null) {
updateEnabledState(child, enabled);
}
}
}
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ICheckStateListener#checkStateChanged(org.eclipse.jface.viewers.CheckStateChangedEvent)
*/
public void checkStateChanged(CheckStateChangedEvent event) {
// long start = System.currentTimeMillis();
RootNode rootNode = validityView.getValidityManager().getRootNode();
assert rootNode != null;
Object element = event.getElement();
// System.out.format(Thread.currentThread().getName() + " %3.3f update start\n",
// (System.currentTimeMillis() - start) * 0.001);
if (element instanceof AbstractNode) {
AbstractNode abstractNode = (AbstractNode) element;
boolean enabled = event.getChecked();
abstractNode.setEnabled(enabled);
/*
* Propagate the new checked/enabled state of this node to all non-Result children and at the leaves across to the other tree's results.
*/
updateEnabledState(abstractNode, enabled);
/*
* Propgation of the corresponding grayed states up is performed as a total traversal during redraw since this ensures that
* each node is visited just once, whereas propagating across and up is surprisingly wasteful.
*/
}
validityView.redraw();
// System.out.format(Thread.currentThread().getName() + " %3.3f redraw end\n",
// (System.currentTimeMillis() - start) * 0.001);
}