/**
* Recursively process ESIS children, restore children as behaviors. Not called by default from
* restore() because behaviors may selectively process children.
*/
public void restoreChildren(
ESISNode n, Layer layer) { // NB: overridden by Layer, so propagate changes.
// System.out.println("restoring "+n.getGI());
// with inner classes pass function to tree traversal method?
assert layer != null;
// traverse bottom up, so complex nodes higher up have components built first
if (n != null)
for (int i = 0;
i < n.size() /* count can change while enumerating--still? that would be bad */;
i++) {
Object child = n.childAt(i);
// if (child instanceof ESISNode) System.out.println("child = "+((ESISNode)child).getGI());
if (child instanceof ESISNode) {
ESISNode m = (ESISNode) child;
String bname = m.getAttr(Behavior.ATTR_BEHAVIOR);
if (bname != null) {
Behavior be = getInstance(m.getGI() /*bname*/, bname, m, m.attrs, layer);
be.removeAttr(Behavior.ATTR_BEHAVIOR); // kept in classname_
} // else assume subclass has some use for it. DO NOT take GI as behavior name (with
// remapping)!
// most behaviors with internal structure call restoreChildren first and then (rest of)
// self
}
}
}
/**
* Build up save data as ESIS tree, then write that out. Makes node with GI = behavior name, same
* attributes, and possibly some children. Attributes are cloned, so if you want to stuff
* attributes from state, do that before <code>super.save()</code>. Always have {@link
* #ATTR_BEHAVIOR} from save (short) classname.
*/
public ESISNode save() {
// if (getAttr(ATTR_BEHAVIOR)==null) putAttr(ATTR_BEHAVIOR, classname_); //NOT getName(), NOT
// getClass().getName()); // temporary. X remove BEHAVIOR attribute in favor of name => want
// names for things other than behvaior so no way to distinguish be from non-be
Map<String, Object> attrs = getAttributes();
if (attrs != null) {
Map<String, Object> newattrs = new HashMap<String, Object>(attrs.size());
newattrs.putAll(attrs);
attrs = newattrs;
} // make copy (ok if inefficient here)
ESISNode e = new ESISNode(getName(), attrs);
// take ATTR_BEHAVIOR if exists, else use value cached in field
e.putAttr(
Behavior.ATTR_BEHAVIOR,
getAttr(
Behavior.ATTR_BEHAVIOR,
classname_)); // maintain classname_ in attribute, since few behaviors and above is
// disgusting
return e;
}
