Method ReplaceWithQueryNode

editor/DallasMainDlg.cpp:13920–13977

Replaces the currently selected node with a new query

// Replaces the currently selected node with a new query
void CDallasMainDlg::ReplaceWithQueryNode(int query_ID) {
  HTREEITEM selected_node, new_query_node;
  tTreeNodeData *data;
  int query_return_type;
  CString query_return_name;

  // Check the ID validity
  if (query_ID < 0 || query_ID >= MAX_QUERIES)
    return;

  // Obtain the currently selected node
  selected_node = m_ScriptTree.GetSelectedItem();
  if (selected_node == NULL)
    return;

  // Get the node's data
  data = (tTreeNodeData *)m_ScriptTree.GetItemData(selected_node);
  if (data == NULL)
    return;

  // Make sure this node is valid for adding a query
  if (data->type == EXPRESSION_NODE || data->type == PARAMETER_NODE) {
    tTreeNodeData node_data;

    // Fill in the data appropriately for the new query node
    node_data.type = EXPRESSION_NODE;
    node_data.ID = query_ID;

    query_return_type = GetQueryReturnType(query_ID, query_return_name);
    if (query_return_type == ENUM_PARAMETER_TYPE || query_return_type == FLAG_PARAMETER_TYPE)
      strcpy(node_data.name, query_return_name.GetBuffer(0));
    else if (GetNodeType(m_ScriptTree.GetParentItem(selected_node)) == CONDITIONAL_STATEMENT_NODE)
      strcpy(node_data.name, GetLiteralName(query_return_type));
    else
      strcpy(node_data.name, data->name);

    // Add new query node before current node, then delete the current node
    new_query_node = AddNodeToTree(m_ScriptTree.GetParentItem(selected_node), selected_node, &node_data, TRUE);

    // Add in the parameters with appropriate defaults
    AddQueryParameterNodes(new_query_node);

    // Now delete the selected item tree
    m_ScriptTree.SelectItem(new_query_node);
    FreeTreeItem(selected_node);

    // Update the new query node's text to include the parameters
    UpdateAllParentNodesText(new_query_node);

    // If this node is the first of a comparison conditional, make sure third node's type matches
    DoComparisonMatchup(new_query_node);

    if (new_query_node != NULL)
      m_ScriptTree.Expand(new_query_node, TVE_EXPAND);

    SetModified(TRUE);
  }
}