/** Creates the nested deltas for an opened element. */
public void opened(IModelElement element) {
ModelElementDelta delta = new ModelElementDelta(element);
delta.changed(F_OPENED);
insertDeltaTree(element, delta);
}
/** Mark this delta as a fine-grained delta. */
public void fineGrained() {
changed(F_FINE_GRAINED);
}
/** Creates the nested deltas for a closed element. */
public void closed(IModelElement element) {
ModelElementDelta delta = new ModelElementDelta(element);
delta.changed(F_CLOSED);
insertDeltaTree(element, delta);
}
/**
* Creates the nested deltas resulting from a change operation. Convenience method for creating
* change deltas. The constructor should be used to create the root delta and then a change
* operation should call this method.
*/
public ModelElementDelta changed(IModelElement element, int changeFlag) {
ModelElementDelta changedDelta = new ModelElementDelta(element);
changedDelta.changed(changeFlag);
insertDeltaTree(element, changedDelta);
return changedDelta;
}