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);
}
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);
}
}