protected override void OnBeforeOffsetChanged(OffsetEventArgs offsetArgs)
{
if (_PositionAlg != null)
{
_PositionAlg (this, offsetArgs);
}
}
public override void Offset(System.Drawing.Point offset)
{
OffsetEventArgs offsetArgs = new OffsetEventArgs (offset);
OnBeforeOffsetChanged (offsetArgs);
_Centre.Offset (offsetArgs.Offset.X, offsetArgs.Offset.Y);
DoOffsetChanged (offsetArgs);
}
private void vertical_ContactPoint (IGlyph glyph, OffsetEventArgs offsetEventArgs)
{
if (glyph is IOperationContactPointGlyph)
{
int expectedXPos = _Bounds.X + _Bounds.Width / 2;
int currentXPos = glyph.Bounds.X + glyph.Bounds.Width / 2;
offsetEventArgs.Offset = new Point (expectedXPos - currentXPos, offsetEventArgs.Offset.Y);
}
}
private void horizontal_ContactPoint (IGlyph glyph, OffsetEventArgs offsetEventArgs)
{
if (glyph is IOperationContactPointGlyph)
{
int expectedYPos = _Bounds.Y + _Bounds.Height / 2;
int currentYPos = glyph.Bounds.Y + glyph.Bounds.Height / 2;
offsetEventArgs.Offset = new Point (offsetEventArgs.Offset.X, expectedYPos - currentYPos);
}
}
protected override void contactPoint_OffsetChanged(IGlyph glyph, OffsetEventArgs offsetEventArgs)
{
int index = _ContactPoints.IndexOf (glyph);
switch (index)
{
case 0:
{
_From.Offset (offsetEventArgs.Offset.X, offsetEventArgs.Offset.Y);
} break;
case 1:
{
_To.Offset (offsetEventArgs.Offset.X, offsetEventArgs.Offset.Y);
} break;
}
}
protected override void contactPoint_OffsetChanged(IGlyph glyph, OffsetEventArgs offsetEventArgs)
{
Point offset = offsetEventArgs.Offset;
int index = _ContactPoints.IndexOf (glyph);
if (glyph is IOperationPortGlyph)
{
_Bounds.Offset (offset);
foreach (IGlyph contactPoint in ContactPoints)
{
if (contactPoint is IOperationContactPointGlyph)
{
ReOffsetContactPoint (contactPoint, offset);
}
}
}
else
{
switch (index)
{
case 0:
{
_Bounds.X += offset.X;
_Bounds.Width -= offset.X;
_Bounds.Height += offset.Y;
ReOffsetContactPoint (2, offset);
ReOffsetContactPoint (3, offset);
} break;
case 1:
{
_Bounds.Width += offset.X;
_Bounds.Height += offset.Y;
ReOffsetContactPoint (2, offset);
ReOffsetContactPoint (3, offset);
} break;
case 2:
{
_Bounds.Y += offset.Y;
_Bounds.Height -= offset.Y;
_Bounds.Width += offset.X;
ReOffsetContactPoint (0, offset);
ReOffsetContactPoint (1, offset);
} break;
case 3:
{
_Bounds.Height += offset.Y;
_Bounds.Width += offset.X;
ReOffsetContactPoint (0, offset);
ReOffsetContactPoint (1, offset);
} break;
}
}
}
protected abstract void contactPoint_OffsetChanged(IGlyph glyph, OffsetEventArgs offsetEventArgs);
protected override void contactPoint_OffsetChanged(IGlyph glyph, OffsetEventArgs offsetEventArgs)
{
Point offset = offsetEventArgs.Offset;
int index = _ContactPoints.IndexOf (glyph);
switch (index)
{
case 0:
{
_Bounds.X += offset.X;
_Bounds.Width -= offset.X;
_Bounds.Height += offset.Y;
ReOffsetContactPoint (2, offset);
ReOffsetContactPoint (3, offset);
} break;
case 1:
{
_Bounds.Width += offset.X;
_Bounds.Height += offset.Y;
ReOffsetContactPoint (2, offset);
ReOffsetContactPoint (3, offset);
} break;
case 2:
{
_Bounds.Y += offset.Y;
_Bounds.Height -= offset.Y;
_Bounds.Width += offset.X;
ReOffsetContactPoint (0, offset);
ReOffsetContactPoint (1, offset);
} break;
case 3:
{
_Bounds.Height += offset.Y;
_Bounds.Width += offset.X;
ReOffsetContactPoint (0, offset);
ReOffsetContactPoint (1, offset);
} break;
}
}
protected virtual bool OnOffsetChanged(OffsetEventArgs offsetArgs)
{
return true;
}
protected virtual void OnBeforeOffsetChanged(OffsetEventArgs offsetArgs)
{
}
protected void DoOffsetChanged(OffsetEventArgs offsetArgs)
{
if (OnOffsetChanged (offsetArgs))
{
if (OffsetChanged != null)
{
OffsetChanged (this, offsetArgs);
}
}
}