private void load_snap_from_xml(Element snap, StructureCollection structs, LinkedList tempList)
throws VisualizerLoadException {
Iterator iterator = snap.getChildren().iterator();
if (!iterator.hasNext()) throw new VisualizerLoadException("Ran out of elements");
structs.loadTitle((Element) (iterator.next()), tempList, this);
structs.calcDimsAndStartPts(tempList, this);
if (!iterator.hasNext()) return;
Element child = (Element) iterator.next();
if (child.getName().compareTo("doc_url") == 0) {
// load the doc_url
add_a_documentation_URL(child.getText().trim());
if (!iterator.hasNext()) return;
child = (Element) iterator.next();
}
if (child.getName().compareTo("pseudocode_url") == 0) {
// load the psuedocode_url
add_a_pseudocode_URL(child.getText().trim());
if (!iterator.hasNext()) return;
child = (Element) iterator.next();
}
if (child.getName().compareTo("audio_text") == 0) {
// load the psuedocode_url
add_audio_text(child.getText().trim());
if (!iterator.hasNext()) return;
child = (Element) iterator.next();
}
// create & load the individual structures, hooking them into the StructureCollection.
// linespernode : calculate it at end of loadStructure call
while (child.getName().compareTo("question_ref") != 0) {
StructureType child_struct = assignStructureType(child);
child_struct.loadStructure(child, tempList, this);
structs.addChild(child_struct);
if (!iterator.hasNext()) return;
child = (Element) iterator.next();
}
if (child.getName().compareTo("question_ref") == 0) {
// set up question ref
add_a_question_xml(child.getAttributeValue("ref"));
} else
// should never happen
throw new VisualizerLoadException(
"Expected question_ref element, but found " + child.getName());
if (iterator.hasNext()) {
child = (Element) iterator.next();
throw new VisualizerLoadException(
"Found " + child.getName() + " when expecting end of snap.");
}
} // load_snap_from_xml
public int createericlist(Element snap) {
int numsnaps = 0;
StructureCollection structs = new StructureCollection();
LinkedList tempList = new LinkedList();
try {
load_snap_from_xml(snap, structs, tempList);
structs.calcDimsAndStartPts(tempList, this);
structs.drawTitle(tempList, this);
structs.drawStructure(tempList, this);
} catch (VisualizerLoadException e) {
System.out.println(e.toString());
}
list_of_snapshots.append(tempList);
Snaps++;
return numsnaps; // this.. isnt used, and isnt what it says it is.
} // createericlist(element)