status_t
VariablesView::_ApplyViewStateDescendentNodeInfos(VariablesViewState* viewState,
void* parent, TreeTablePath& path)
{
int32 childCount = fVariableTableModel->CountChildren(parent);
for (int32 i = 0; i < childCount; i++) {
ModelNode* node = (ModelNode*)fVariableTableModel->ChildAt(parent, i);
if (!path.AddComponent(i))
return B_NO_MEMORY;
// apply the node's info, if any
const VariablesViewNodeInfo* nodeInfo = viewState->GetNodeInfo(
node->GetVariable()->ID(), node->GetPath());
if (nodeInfo != NULL) {
fVariableTable->SetNodeExpanded(path, nodeInfo->IsNodeExpanded());
// recurse
status_t error = _ApplyViewStateDescendentNodeInfos(viewState, node,
path);
if (error != B_OK)
return error;
}
path.RemoveLastComponent();
}
return B_OK;
}
void
VariablesView::VariableTableModel::ValueNodeChildrenCreated(
ValueNode* valueNode)
{
if (fContainer == NULL)
return;
AutoLocker<ValueNodeContainer> containerLocker(fContainer);
// check whether we know the node
ValueNodeChild* nodeChild = valueNode->NodeChild();
if (nodeChild == NULL)
return;
ModelNode* modelNode = fNodeTable.Lookup(nodeChild);
if (modelNode == NULL)
return;
// Iterate through the children and create model nodes for the ones we
// don't know yet.
int32 childCount = valueNode->CountChildren();
for (int32 i = 0; i < childCount; i++) {
ValueNodeChild* child = valueNode->ChildAt(i);
if (fNodeTable.Lookup(child) == NULL) {
_AddNode(modelNode->GetVariable(), modelNode, child,
child->IsInternal());
}
}
}
status_t
VariablesView::_AddViewStateDescendentNodeInfos(VariablesViewState* viewState,
void* parent, TreeTablePath& path) const
{
int32 childCount = fVariableTableModel->CountChildren(parent);
for (int32 i = 0; i < childCount; i++) {
ModelNode* node = (ModelNode*)fVariableTableModel->ChildAt(parent, i);
if (!path.AddComponent(i))
return B_NO_MEMORY;
// add the node's info
VariablesViewNodeInfo nodeInfo;
nodeInfo.SetNodeExpanded(fVariableTable->IsNodeExpanded(path));
status_t error = viewState->SetNodeInfo(node->GetVariable()->ID(),
node->GetPath(), nodeInfo);
if (error != B_OK)
return error;
// recurse
error = _AddViewStateDescendentNodeInfos(viewState, node, path);
if (error != B_OK)
return error;
path.RemoveLastComponent();
}
return B_OK;
}