public void NewRelation(UmlRelation rel)
{
GuiClass c1 = FindClass(rel.src), c2 = FindClass(rel.dest);
if (c1 != null && c2 != null)
{
int ux1 = 1, ux2 = 3;
float uy1 = .5f, uy2 = .5f;
if (rel.type == UmlRelationType.Association)
{
ux1 = 0;
uy1 = c1.get_empty_point_on_edge(ux1);
ux2 = 2;
uy2 = c2.get_empty_point_on_edge(ux2);
}
else if (rel.type == UmlRelationType.Realization || rel.type == UmlRelationType.Inheritance)
{
uy2 = c2.get_empty_point_on_edge(ux2);
}
GuiConnection c = new GuiConnection(new GuiConnectionPoint(c1, ux1, uy1, 0), new GuiConnectionPoint(c2, ux2, uy2, 1), rel.type, this, rel.type == UmlRelationType.Attachment ? GuiConnectionStyle.Line : MouseAgent.conn_style);
if (rel.type == UmlRelationType.Association)
{
c.nav = GuiConnectionNavigation.Left;
}
c.relation_id = rel.ID;
c.first.UpdatePosition(true);
c.second.UpdatePosition(true);
c.DoCreationFixup();
c.ConnectionCreated(this, rel.src_role, rel.dest_role, rel.name, rel.stereo);
Undo.Push(new CreateOperation(c), false);
}
}
public bool validate_connection(IAcceptConnection obj, GuiConnection connection)
{
return(true);
}
public ConnectionStateSegmented(GuiConnection c)
{
conn = c;
}
public ConnectionStateQuadric(GuiConnection c)
{
conn = c;
}
public override void MouseUp(MouseButtons b)
{
if (scroll_active)
{
StopScrolling();
}
parent.SetDefaultDrawingMode();
original_selected = null;
switch (action)
{
case MouseAction.Scroll:
Cursor.Current = Cursors.Arrow;
if (first_move)
{
System.Windows.Forms.ContextMenu m = new ContextMenu();
parent.AddMenuItems(m);
if (m.MenuItems.Count > 0)
{
m.Show(parent.cview, new Point(menurealx, menurealy));
}
}
break;
case MouseAction.CreateConnection:
if (conn.second.item == null)
{
conn.Invalidate();
}
else
{
conn.ConnectionCreated(parent, null, null, null, null);
parent.Undo.Push(new CreateOperation(conn), false);
}
conn = null;
break;
case MouseAction.Move:
ArrayList movedobjects = new ArrayList();
foreach (GuiObject o in movestates.Keys)
{
if (o is IAroundObject)
{
movedobjects.Add(o);
}
}
if (movedobjects.Count > 0)
{
parent.AroundObjectsMoved(movedobjects, movestates);
}
foreach (IMoveable o in movestates.Keys)
{
o.Moved();
}
if (movestates.Count == 1)
{
foreach (IStateObject t in movestates.Keys)
{
parent.Undo.Push(new StateOperation(t, movestates[t] as ObjectState, t.GetState()), false);
}
}
else if (movestates.Count > 1)
{
MultipleOperation p = new MultipleOperation();
foreach (IStateObject t in movestates.Keys)
{
p.l.Add(new StateOperation(t, movestates[t] as ObjectState, t.GetState()));
}
parent.Undo.Push(p, false);
}
movestates.Clear();
moveitem = null;
movelist = null;
break;
case MouseAction.Select:
parent.SelectedObjects.Clear();
parent.SelectInRectangle(selrect);
parent.cview.InvalidatePage(selrect);
selrect = Rectangle.Empty;
break;
}
action = MouseAction.None;
}
public override void MouseDown(int x, int y, MouseButtons b, Keys modif, int realx, int realy)
{
// Left mouse button
if (action != MouseAction.None)
{
return;
}
if (b == MouseButtons.Left)
{
if (current_operation == MouseOperation.DrawComment || current_operation == MouseOperation.DrawPackage)
{
switch (current_operation)
{
case MouseOperation.DrawComment:
moveitem = GuiElementFactory.CreateMemo(parent, x, y);
break;
case MouseOperation.DrawPackage:
moveitem = GuiElementFactory.CreatePackage(parent, x, y);
break;
}
first_move = true;
moveux = 0;
moveuy = 0;
action = MouseAction.Move;
}
else if ((modif & Keys.Control) == Keys.Control || current_operation == MouseOperation.DrawConnection)
{
conn_item = parent.FindItem(x, y, out moveux, out moveuy, true) as IAcceptConnection;
if (conn_item == null)
{
action = MouseAction.Scroll;
selx = x;
sely = y;
return;
}
int ux;
float uy;
conn_item.coord_nearest(x, y, out ux, out uy);
action = MouseAction.CreateConnection;
conn = new GuiConnection(new GuiConnectionPoint(conn_item, ux, uy, 0), new GuiConnectionPoint(x, y, 1), conn_type, parent, conn_type == UmlRelationType.Attachment ? GuiConnectionStyle.Line : conn_style);
conn.first.item.coord_nearest(x, y, out conn.first.ux, out conn.first.uy);
conn.first.UpdatePosition(true);
conn.DoCreationFixup();
conn.InvalidateTemporary();
conn.Invalidate();
}
else if ((modif & Keys.Shift) == Keys.Shift)
{
GuiObject obj = parent.FindItem(x, y, false);
if (obj != null)
{
parent.SelectedObjects.Add(obj);
obj.Invalidate();
}
}
else
{
// Left button click:
// select
// move, move multiple
GuiObject s = parent.FindItem(x, y, out moveux, out moveuy, false);
if (s == null)
{
parent.SelectedObjects.Clear();
action = MouseAction.Select;
selx = x;
sely = y;
return;
}
if (!s.selected)
{
parent.SelectedObjects.Clear();
parent.SelectedObjects.Add(s);
}
// deciding: to move, or not ...
moveitem = null;
movelist = null;
movestates.Clear();
original_selected = null;
GuiObject t = parent.FindItem(x, y, out moveux, out moveuy, true);
if (t != null)
{
if (t is IMoveRedirect)
{
if (t.selected)
{
original_selected = t;
}
moveitem = (t as IMoveRedirect).MoveRedirect(ref moveux, ref moveuy);
}
else if (t is IMoveMultiple && (t as IMoveMultiple).CanMoveInGroup)
{
movelist = new ArrayList();
if (!t.selected)
{
movelist.Add(t);
}
foreach (GuiObject o in parent.SelectedObjects)
{
if (o is IMoveMultiple && (o as IMoveMultiple).CanMoveInGroup)
{
movelist.Add(o);
}
}
selx = x;
sely = y;
}
else if (t is IMoveable && (t as IMoveable).IsMoveable(x, y))
{
moveitem = t as IMoveable;
}
if (moveitem != null || movelist != null)
{
first_move = true;
action = MouseAction.Move;
}
else if (t is IClickable)
{
(t as IClickable).LeftClick(false, x, y);
}
}
}
}
else if (b == MouseButtons.Right)
{
ISelectable obj = parent.FindItem(x, y, true) as ISelectable;
if (obj != null)
{
if (obj is IDropMenu)
{
parent.SelectedObjects.Clear();
parent.SelectedObjects.Add(obj as GuiObject);
System.Windows.Forms.ContextMenu m = new ContextMenu();
(obj as IDropMenu).AddMenuItems(m, x, y);
if (m.MenuItems.Count > 0)
{
m.Show(parent.cview, new Point(realx, realy));
}
}
}
else
{
action = MouseAction.Scroll;
Cursor.Current = Cursors.Hand;
selx = x;
sely = y;
menurealx = realx;
menurealy = realy;
first_move = true;
}
}
}
public ConnectionStateLine(GuiConnection c)
{
conn = c;
}