Method InsertLogicalOperatorNode

editor/DallasMainDlg.cpp:13544–13586

Inserts a logical operator node as parent of current node

// Inserts a logical operator node as parent of current node
void CDallasMainDlg::InsertLogicalOperatorNode(int type) {
  HTREEITEM selected_node, new_logop_node;
  tTreeNodeData *data;

  // Check the ID validity
  if (type < 0 || type >= MAX_LOGICAL_OPERATORS)
    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 inserting a logical operator
  if (data->type == LOGICAL_OPERATOR_NODE || data->type == CONDITIONAL_STATEMENT_NODE) {
    tTreeNodeData node_data;

    // Fill in the data appropriately for the new condition node
    node_data.type = LOGICAL_OPERATOR_NODE;
    node_data.ID = type;

    // Add node appropriately with respect to selected node
    new_logop_node = AddNodeToTree(m_ScriptTree.GetParentItem(selected_node), selected_node, &node_data, TRUE);

    // Now copy the selected item tree over to the new logop
    CopyTree(new_logop_node, TVI_LAST, selected_node);
    m_ScriptTree.Expand(new_logop_node, TVE_EXPAND);

    // Add a default ALWAYS so that the logical operator has TWO children
    CreateDefaultConditionalStatementNode(new_logop_node);

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

    SetModified(TRUE);
  }
}

// Adds a logical operator subtree to the end of selected node's children
void CDallasMainDlg::AddLogicalOperatorNode(int type) {