public void OfferAllNodes(GlGraph working_graph) { List<NodeWrapper> valid_targets = new List<NodeWrapper>(); foreach (GlGraphNode loop_node in working_graph.AllNodes) { valid_targets.Add(new NodeWrapper(loop_node)); } comboTargetNodes.DisplayMember = "NodeName"; comboTargetNodes.DataSource = new BindingList<NodeWrapper>(valid_targets); comboTargetNodes.Refresh(); }
// constructor is INTERNAL because client code should generate edges by using the graph node class's "ConnectTo" method internal GlGraphEdge(GlGraph parent_graph, GlGraphNode _source, GlGraphNode _target, bool create_in_db) { _ParentGraph = parent_graph; if (create_in_db) { parent_graph.GlNodeRef.Set(GlobalsGraphAdmin.GL_EDGE_FLAG, GlobalsGraphAdmin.GL_EDGES_SUBSCRIPT, _source.NodeUID.ToString(), _target.NodeUID.ToString()); } source_node = _source; target_node = _target; Attach(); }
public void InitForNewEdge(GlGraph working_graph, GlGraphNode start_node) { List<NodeWrapper> valid_targets = new List<NodeWrapper>(); foreach (GlGraphNode loop_node in working_graph.AllNodes) { if (start_node.FindConnectionTo(loop_node) == null) { valid_targets.Add(new NodeWrapper(loop_node)); } } comboTargetNodes.DisplayMember = "NodeName"; comboTargetNodes.DataSource = new BindingList<NodeWrapper>(valid_targets); comboTargetNodes.Refresh(); }
public static void AddGraphNode(GlGraph parent_graph, string new_node_name) { // biz rule parent_graph.CreateNewNode().SetCustomString(NODE_NAME_PROPERTY, new_node_name); }
// build a graphnode class around an existing graph node in the DB; used during initialization internal GlGraphNode(GlGraph parent_graph, Guid node_guid) { _NodeUID = node_guid; _ParentGraph = parent_graph; }
// create a new node on a graph internal GlGraphNode(GlGraph parent_graph) { _NodeUID = Guid.NewGuid(); _ParentGraph = parent_graph; _ParentGraph.GlNodeRef.Set(GlobalsGraphAdmin.GL_NODE_FLAG, GlobalsGraphAdmin.GL_NODES_SUBSCRIPT, _NodeUID.ToString()); }
private void comboGraphs_SelectedIndexChanged(object sender, EventArgs e) { if (BuildingGraphList) return; if (comboGraphs.SelectedItem.ToString() == GRAPH_CHOOSE_ENTRY) { // it's the "choose ..." entry CurrentGraph = null; RebuildNodeList(); buttonNewNode.Enabled = false; } else { string err_msg = ""; CurrentGraph = GlobalsGraphAdmin.OpenGraph(comboGraphs.SelectedItem.ToString(), out err_msg); if (CurrentGraph == null) MessageBox.Show(err_msg); else RebuildNodeList(); buttonNewNode.Enabled = true; } buttonDeleteGraph.Enabled = (CurrentGraph != null); }