Ejemplo n.º 1
0
        private NodeVisual DeserializeNode(BinaryReader br)
        {
            var nv = new NodeVisual();

            nv.GUID     = br.ReadString();
            nv.X        = br.ReadSingle();
            nv.Y        = br.ReadSingle();
            nv.Callable = br.ReadBoolean();
            nv.ExecInit = br.ReadBoolean();
            nv.Name     = br.ReadString();
            nv.Order    = br.ReadInt32();
            var customEditorAssembly = br.ReadString();
            var customEditor         = br.ReadString();

            nv.Type = Context.GetType().GetMethod(br.ReadString());
            var attribute = nv.Type.GetCustomAttributes(typeof(NodeAttribute), false)
                            .Cast <NodeAttribute>()
                            .FirstOrDefault();

            if (attribute != null)
            {
                nv.CustomWidth  = attribute.Width;
                nv.CustomHeight = attribute.Height;
            }
            (nv.GetNodeContext() as DynamicNodeContext).Deserialize(br.ReadBytes(br.ReadInt32()));
            var additional = br.ReadInt32(); //read additional data

            if (additional >= 4)
            {
                nv.Int32Tag = br.ReadInt32();
                if (additional >= 8)
                {
                    nv.NodeColor = Color.FromArgb(br.ReadInt32());
                }
            }
            if (additional > 8)
            {
                br.ReadBytes(additional - 8);
            }

            if (customEditor != "")
            {
                nv.CustomEditor =
                    Activator.CreateInstance(AppDomain.CurrentDomain, customEditorAssembly, customEditor).Unwrap() as Control;

                Control ctrl = nv.CustomEditor;
                if (ctrl != null)
                {
                    ctrl.Tag = nv;
                    Controls.Add(ctrl);
                }
                nv.LayoutEditor();
            }
            return(nv);
        }
Ejemplo n.º 2
0
        private void NodesControl_MouseClick(object sender, MouseEventArgs e)
        {
            lastMouseLocation = e.Location;

            if (Context == null)
            {
                return;
            }

            if (e.Button == MouseButtons.Right)
            {
                var methods = Context.GetType().GetMethods();
                var nodes   =
                    methods.Select(
                        x =>
                        new
                        NodeToken()
                {
                    Method    = x,
                    Attribute =
                        x.GetCustomAttributes(typeof(NodeAttribute), false)
                        .Cast <NodeAttribute>()
                        .FirstOrDefault()
                }).Where(x => x.Attribute != null);

                var context = new ContextMenuStrip();
                if (graph.Nodes.Exists(x => x.IsSelected))
                {
                    context.Items.Add("Delete Node(s)", null, ((o, args) =>
                    {
                        DeleteSelectedNodes();
                    }));
                    context.Items.Add("Duplicate Node(s)", null, ((o, args) =>
                    {
                        DuplicateSelectedNodes();
                    }));
                    context.Items.Add("Change Color ...", null, ((o, args) =>
                    {
                        ChangeSelectedNodesColor();
                    }));
                    if (graph.Nodes.Count(x => x.IsSelected) == 2)
                    {
                        var sel = graph.Nodes.Where(x => x.IsSelected).ToArray();
                        context.Items.Add("Check Impact", null, ((o, args) =>
                        {
                            if (HasImpact(sel[0], sel[1]) || HasImpact(sel[1], sel[0]))
                            {
                                MessageBox.Show("One node has impact on other.", "Impact detected.", MessageBoxButtons.OK, MessageBoxIcon.Information);
                            }
                            else
                            {
                                MessageBox.Show("These nodes not impacts themselves.", "No impact.", MessageBoxButtons.OK, MessageBoxIcon.Information);
                            }
                        }));
                    }
                    context.Items.Add(new ToolStripSeparator());
                }
                if (allContextItems.Values.Any(x => x > 0))
                {
                    var handy = allContextItems.Where(x => x.Value > 0 && !string.IsNullOrEmpty(((x.Key.Tag) as NodeToken).Attribute.Menu)).OrderByDescending(x => x.Value).Take(8);
                    foreach (var kv in handy)
                    {
                        context.Items.Add(kv.Key);
                    }
                    context.Items.Add(new ToolStripSeparator());
                }
                foreach (var node in nodes.OrderBy(x => x.Attribute.Path))
                {
                    AddToMenu(context.Items, node, node.Attribute.Path, (s, ev) =>
                    {
                        var tag = (s as ToolStripMenuItem).Tag as NodeToken;

                        var nv           = new NodeVisual();
                        nv.X             = lastMouseLocation.X;
                        nv.Y             = lastMouseLocation.Y;
                        nv.Type          = node.Method;
                        nv.Callable      = node.Attribute.IsCallable;
                        nv.Name          = node.Attribute.Name;
                        nv.Order         = graph.Nodes.Count;
                        nv.ExecInit      = node.Attribute.IsExecutionInitiator;
                        nv.XmlExportName = node.Attribute.XmlExportName;
                        nv.CustomWidth   = node.Attribute.Width;
                        nv.CustomHeight  = node.Attribute.Height;

                        if (node.Attribute.CustomEditor != null)
                        {
                            Control ctrl    = null;
                            nv.CustomEditor = ctrl = Activator.CreateInstance(node.Attribute.CustomEditor) as Control;
                            if (ctrl != null)
                            {
                                ctrl.Tag = nv;
                                Controls.Add(ctrl);
                            }
                            nv.LayoutEditor();
                        }

                        graph.Nodes.Add(nv);
                        Refresh();
                        needRepaint = true;
                    });
                }
                context.Show(MousePosition);
            }
        }