public void Remove( GuiObject obj )
{
if( !obj.selected )
throw new ArgumentException( "item is not from the collection" );
obj.selected = false;
obj.SelectionChanged();
obj.Invalidate();
objs.Remove( obj );
}
public int Add( GuiObject value )
{
if( objs.Contains( value ) )
return 0;
if( value == null || value.selected )
throw new ArgumentException( "wrong item for collection" );
value.selected = true;
value.SelectionChanged();
value.Invalidate();
return objs.Add( value );
}
public void Remove(GuiObject obj)
{
if (!obj.selected)
{
throw new ArgumentException("item is not from the collection");
}
obj.selected = false;
obj.SelectionChanged();
obj.Invalidate();
objs.Remove(obj);
}
public int Add(GuiObject value)
{
if (objs.Contains(value))
{
return(0);
}
if (value == null || value.selected)
{
throw new ArgumentException("wrong item for collection");
}
value.selected = true;
value.SelectionChanged();
value.Invalidate();
return(objs.Add(value));
}
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;
}
}
}