public void RemoveItem(StatusItem si)
{
List<Relation> tl = new List<Relation>();
foreach (Relation r in relations)
{
if (r.Source == si || r.Target == si)
{
tl.Add(r);
}
}
if (tl.Count != 0)
{
foreach (Relation r in tl)
{
relations.Remove(r);
bitfsm.removeRuleStep(r.Source.Name, r.Commands.ToArray());
}
tl.Clear();
Refresh();
}
}
private void link(StatusItem src, HashSet<string> commands, StatusItem tgt, bool exact, bool force)
{
if (bitfsm.addRuleStep(src.Name, commands.ToArray(), tgt.Name, exact) || force)
{
string ln = "DUMMY_" + src.Name + "_" + tgt.Name;
Label dummy = null;
if (!Controls.ContainsKey(ln))
{
dummy = new Label();
dummy.Name = ln;
dummy.AutoSize = true;
dummy.TextAlign = ContentAlignment.MiddleCenter;
dummy.BorderStyle = BorderStyle.FixedSingle;
dummy.MouseDown += (_sender, _e) =>
{
if (_e.Button == MouseButtons.Right)
{
menuRelation.Tag = dummy;
menuRelation.Show(dummy, 30, 20);
}
};
Controls.Add(dummy);
dummy.Tag = new List<Relation>();
}
else
{
dummy = Controls[ln] as Label;
}
Relation r = new Relation(src, tgt, commands, exact);
relations.Add(r);
(dummy.Tag as List<Relation>).Add(r);
Refresh();
}
else
{
MessageBox.Show(this, "Command(s) add failed", "Bitfsm Editor", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
StatusItem addStatusItem(string text)
{
foreach (Control c in Controls)
{
if (c.Name == text)
{
MessageBox.Show(this, "A status item named " + text + " already exists", "Bitfsm Editor", MessageBoxButtons.OK, MessageBoxIcon.Information);
return null;
}
}
Random rand = new Random();
int r = rand.Next(255);
int g = rand.Next(255);
int b = rand.Next(255);
StatusItem si = new StatusItem();
si.Location = new Point(Width / 2, Height / 2);
si.TitleText = text;
si.Name = text;
si.TitleColor = Color.FromArgb(r, g, b);
si.TitleTextColor = Color.FromArgb(255 - r, 255 - g, 255 - b);
Controls.Add(si);
si.AllowDrop = true;
si.OnDragItem += (_sender, _e) =>
{
(_sender as Control).DoDragDrop(_sender, DragDropEffects.Link);
};
si.OnDragEnterItem += (_sender, _e)=>
{
if (_e.Data.GetDataPresent(typeof(StatusItem)))
{
StatusItem _si = _e.Data.GetData(typeof(StatusItem)) as StatusItem;
if (_si == _sender)
{
_e.Effect = DragDropEffects.None;
}
else
{
_e.Effect = DragDropEffects.Link;
}
}
else
{
_e.Effect = DragDropEffects.None;
}
};
si.OnDragDropItem += (_sender, _e) =>
{
if (_e.Data.GetDataPresent(typeof(StatusItem)))
{
StatusItem _si = _e.Data.GetData(typeof(StatusItem)) as StatusItem;
if (_si != _sender)
{
link(_si, _sender as StatusItem);
}
}
};
si.Resize += (_sender, _e) =>
{
Refresh();
};
si.MouseDown += (_sender, _e) =>
{
if (_e.Button == MouseButtons.Right)
{
menuStatus.Tag = si;
menuStatus.Show(si, 30, 20);
}
};
return si;
}
private void link(StatusItem src, StatusItem tgt)
{
FormCondition fc = new FormCondition(bitfsm);
if (DialogResult.OK == fc.ShowDialog(this))
{
link(src, fc.Commands, tgt, fc.Exact, false);
}
}
public Relation(StatusItem src, StatusItem tgt, HashSet<string> cmds, bool ext)
{
source = src;
target = tgt;
commands = cmds;
exact = ext;
}