private void prepareLanes(BPMNElement lane, int level) {
maxLaneDepth = Math.max(maxLaneDepth, level);
List<BPMNElement> childs = new ArrayList<BPMNElement>();
BPMNElement aChild = null;
for (LayoutingElement c : diagram.getChildElementsOf(lane)) {
BPMNElement child = (BPMNElement) c;
if (BPMNType.isASwimlane(child.getType())) {
prepareLanes(child, level + 1);
childs.add(child);
}
aChild = child;
}
// Create Grid for lane (=
// aChild.getParent())
if (aChild != null) {
getContextByElement(aChild);
} else {
// create empty grid for empty lanes
// to prevent nullpointer-exception
GridContext result = new GridContext();
result.grid = new Grid<BPMNElement>();
result.startCell = result.grid.getFirstRow().getFirstCell();
superGrid.add(result.grid);
parent2Context.put(lane, result);
}
lane2LaneChilds.put(lane, childs);
}
private GridContext getContextByElement(BPMNElement el) {
BPMNElement elParent = null;
if (el != null) {
elParent = (BPMNElement) el.getParent();
}
GridContext result = parent2Context.get(elParent);
if (result == null) {
result = new GridContext();
result.grid = new Grid<BPMNElement>();
result.startCell = result.grid.getFirstRow().getFirstCell();
superGrid.add(result.grid);
parent2Context.put(elParent, result);
}
return result;
}