@Override
public int getItemViewType(int position) {
TreeNode node = getItem(position);
if (node != null) {
if (node.getType() == TreeNode.LAYER) return ITEM_LAYER;
if (node.getType() == TreeNode.PROTOCOL) return ITEM_PROTOCOL;
if (node.getType() == TreeNode.GROUP) return ITEM_GROUP;
if (node.getType() == TreeNode.CONTACT) return ITEM_CONTACT;
}
return -1;
}
public boolean isEnabled(int position) {
TreeNode node = items.get(position);
if (node.getType() == TreeNode.LAYER) return false;
return true;
}