void Select(UCTopologyItem top)
{
if (top == null)
{
if (cmItems.SelectedItem != null && cmItems.SelectedItem is UCTopologyItem)
{
((UCTopologyItem)cmItems.SelectedItem).Selected = false;
}
propertyGrid1.SelectedObject = _Vars.Designer;
propertyGrid1.ExpandAllGridItems();
cmItems.SelectedItem = null;
_Current = new ConnectedLine();
pItems.Invalidate();
}
else
{
cmItems.SelectedItem = top;
propertyGrid1.SelectedObject = top.Item;
propertyGrid1.ExpandAllGridItems();
top.Selected = true;
}
propertyGrid1.Update();
}
void CreateItem(ITopologyItem n, Point location)
{
if (n == null)
{
return;
}
UCTopologyItem top = new UCTopologyItem(n);
top.Location = location;
n.Tag = top;
top.RefreshInPlay(_InPlay);
top.MouseDown += pictureBox1_MouseDown;
top.MouseMove += pictureBox1_MouseMove;
pItems.Controls.Add(top);
n.OnProcess += Item_OnProcess;
_List.Add(top);
if (n is IDataInput)
{
IDataInput i = (IDataInput)n;
_Inputs.Add(i);
if (_InPlay)
{
_Inputs.Stop();
_Inputs.Start();
}
}
Select(top);
}
void pictureBox1_MouseDown(object sender, MouseEventArgs e)
{
UCTopologyItem top = (UCTopologyItem)sender;
MouseDownLocation = e.Location;
Select(top);
switch (e.Button)
{
default:
{
if (_Current.From != null)
{
goto case MouseButtons.Right;
}
break;
}
case MouseButtons.Right:
{
if (_Current.From == null)
{
_Current.From = top;
pItems.Invalidate();
}
else
{
if (_Current.IsAllowed(top))
{
if (_Current.Apply(top))
{
_Lines.Add(_Current);
_Current = new ConnectedLine();
pItems.Invalidate();
}
else
{
_Current.To = null;
_Current.From = null;
pItems.Invalidate();
}
}
else
{
_Current.To = null;
_Current.From = null;
pItems.Invalidate();
}
}
break;
}
}
}
public bool IsAllowed(UCTopologyItem to)
{
if (to == null)
{
return(false);
}
ITopologyItem tfrom = FromItem;
ITopologyItem tto = to.Item;
if (tfrom is IDataInput || tfrom is IDataProcess)
{
return(tto is IDataProcess);
}
return(false);
}
void Delete(UCTopologyItem uc)
{
if (uc.Item is IDataInput)
{
IDataInput i = (IDataInput)uc.Item;
_Inputs.Remove(i);
if (i.RaiseMode != null)
{
i.RaiseMode.Stop(i);
}
}
uc.Item.OnProcess -= Item_OnProcess;
_List.Remove(uc);
uc.Parent.Controls.Remove(uc);
uc.Dispose();
}
void propertyGrid1_PropertyValueChanged(object s, PropertyValueChangedEventArgs e)
{
if (propertyGrid1.SelectedObject is ITopologyItem)
{
ITopologyItem t = (ITopologyItem)propertyGrid1.SelectedObject;
pItems.Invalidate(true);
UCTopologyItem c = SearchControl(t);
if (c != null)
{
c.RefreshDesign();
}
for (int x = 0; x < _List.Count; x++)
{
_List.ResetItem(x);
}
}
}
void Item_OnProcess(ITopologyItem sender, EProcessState state)
{
if (sender == null)
{
return;
}
UCTopologyItem uc = (UCTopologyItem)sender.Tag;
if (uc != null)
{
// Activamos el procesado
uc.AreInUse.InUse = state == EProcessState.PreProcess;
uc.Invalidate();
}
// Controlamos las lineas de conexión
foreach (ConnectedLine l in _Lines)
{
if (state == EProcessState.PreProcess)
{
// Desactivar todas las lineas que iban a él
if (l.ToItem == sender)
{
l.AreInUse.InUse = false;
}
}
else
{
// Activar todas las lineas que salen de él
if (l.FromItem == sender)
{
l.AreInUse.InUse = true;
}
}
}
pItems.Invalidate(false);
}
public bool Apply(UCTopologyItem top)
{
if (!IsAllowed(top))
{
return(false);
}
ITopologyItem to = top.Item;
if (to is IDataProcess)
{
DataProcessCollection proc = From.Item.Process;
if (!proc.Contains((IDataProcess)to))
{
proc.Add((IDataProcess)to);
To = top;
return(true);
}
}
return(false);
}
void LoadFile(string fileName)
{
TLYFile t = null;
bool isFile = false;
try
{
if (File.Exists(fileName))
{
t = TLYFile.LoadFromFile(fileName);
isFile = true;
}
else
{
t = TLYFile.Load(fileName);
}
}
catch (Exception e)
{
ITopologyItem_OnException(null, e);
return;
}
if (t != null)
{
NewTopology();
if (isFile)
{
LasterHelper.SetEnvironmentPath(fileName);
LastFile = fileName;
}
else
{
LasterHelper.SetEnvironmentPath("");
LastFile = "";
}
if (t.Variables != null)
{
foreach (Variable v in t.Variables)
{
_Vars.Add(v.Clone());
}
}
if (t.Items.Values != null)
{
foreach (TLYFile.TopologyItem i in t.Items.Values)
{
CreateItem(i.Item, i.Position);
}
if (t.Relations != null)
{
foreach (TLYFile.Relation rel in t.Relations)
{
TLYFile.TopologyItem from, to;
if (t.Items.TryGetValue(rel.From, out from) && t.Items.TryGetValue(rel.To, out to) && from != null && to != null)
{
UCTopologyItem searchFrom = SearchControl(from.Item);
UCTopologyItem searchTo = SearchControl(to.Item);
if (searchFrom != null && searchTo != null)
{
_Lines.Add(new ConnectedLine()
{
From = searchFrom, To = searchTo
});
if (to.Item is IDataProcess)
{
from.Item.Process.Add((IDataProcess)to.Item);
}
}
}
}
}
}
pItems.Invalidate();
}
}
void FEditTopology_KeyDown(object sender, KeyEventArgs e)
{
switch (e.KeyCode)
{
case Keys.Escape:
{
if (_Current.From != null)
{
_Current.From = null;
_Current.To = null;
pItems.Invalidate();
e.Handled = true;
e.SuppressKeyPress = true;
}
break;
}
case Keys.Delete:
{
if (ActiveControl == propertyGrid1)
{
return;
}
if (_Current.From != null)
{
goto case Keys.Escape;
}
UCTopologyItem uc = (UCTopologyItem)cmItems.SelectedItem;
if (uc != null)
{
bool entra = false;
for (int x = _Lines.Count - 1; x >= 0; x--)
{
ConnectedLine c = _Lines[x];
if (c.From == uc || c.To == uc)
{
_Lines.Remove(c);
c.FromItem.Process.Remove(c.ToItem);
entra = true;
}
}
if (!entra)
{
Delete(uc);
foreach (UCTopologyItem c in pItems.Controls)
{
Select(c);
break;
}
}
pItems.Invalidate();
propertyGrid1.Update();
e.Handled = true;
e.SuppressKeyPress = true;
}
break;
}
}
}
void cmItems_SelectedIndexChanged(object sender, EventArgs e)
{
UCTopologyItem top = (UCTopologyItem)cmItems.SelectedItem;
Select(top);
}
void cmItems_Format(object sender, ListControlConvertEventArgs e)
{
UCTopologyItem top = (UCTopologyItem)e.ListItem;
e.Value = top.Title;
}
