public virtual ShapeAnchor GetBottomRightAnchor()
{
Size anchorSize = new Size(anchorWidthHeight, anchorWidthHeight);
Rectangle r = new Rectangle(ZoomRectangle.BottomRightCorner().Move(-anchorWidthHeight, -anchorWidthHeight), anchorSize);
ShapeAnchor anchor = new ShapeAnchor(GripType.BottomRight, r, Cursors.SizeNWSE);
return(anchor);
}
public void UpdateSize(GraphicElement el, ShapeAnchor anchor, Point delta)
{
Point adjustedDelta = anchor.AdjustedDelta(delta);
Rectangle newRect = anchor.Resize(el.DisplayRectangle, adjustedDelta);
UpdateDisplayRectangle(el, newRect, adjustedDelta);
UpdateConnections(el);
}
public virtual bool SnapCheck(ShapeAnchor anchor, Point delta)
{
UpdateSize(anchor, delta);
canvas.Controller.UpdateSelectedElement.Fire(this, new ElementEventArgs()
{
Element = this
});
return(false);
}
protected void SetAnchorCursor()
{
ShapeAnchor anchor = HoverShape.GetAnchors().FirstOrDefault(a => a.Near(CurrentMousePosition));
// Hover shape could have changed as we move from a shape to a connector's anchor.
if (anchor != null)
{
Controller.Canvas.Cursor = anchor.Cursor;
}
}
public void UpdateSize(GraphicElement el, ShapeAnchor anchor, Point delta)
{
Point adjustedDelta = anchor.AdjustedDelta(InverseZoomAdjust(delta));
Rectangle newRect = anchor.Resize(el.DisplayRectangle, adjustedDelta);
UpdateDisplayRectangle(el, newRect, adjustedDelta);
UpdateConnections(el);
UpdateSelectedElement.Fire(this, new ElementEventArgs()
{
Element = el
});
}
public override void UpdateSize(ShapeAnchor anchor, Point delta)
{
if (anchor.Type == GripType.TopMiddle)
{
hyAdjust += delta.Y;
UpdatePath();
Rectangle newRect = RecalcDisplayRectangle();
canvas.Controller.UpdateDisplayRectangle(this, newRect, delta);
}
else
{
base.UpdateSize(anchor, delta);
}
}
public void DeleteSelectedElements()
{
selectedAnchor = null;
showingAnchorsElement = null;
dragging = false;
selectedElements.ForEach(el =>
{
DeleteElement(el);
});
selectedElements.Clear();
canvas.Invalidate();
}
public override bool SnapCheck(ShapeAnchor anchor, Point delta)
{
bool ret = canvas.Controller.Snap(anchor.Type, ref delta);
if (ret)
{
MoveAnchor(anchor.Type, delta);
}
else
{
ret = base.SnapCheck(anchor, delta);
}
return(ret);
}
public override void UpdateSize(ShapeAnchor anchor, Point delta)
{
if (anchor.Type == GripType.Start)
{
startPoint = startPoint.Move(delta);
}
else
{
endPoint = endPoint.Move(delta);
}
UpdatePath();
Rectangle newRect = RecalcDisplayRectangle();
canvas.Controller.UpdateDisplayRectangle(this, newRect, delta);
}
public void DeleteSelectedElements()
{
selectedAnchor = null;
showingAnchorsElement = null;
dragging = false;
// TODO: Optimize for redrawing just selected elements (we remove call to DeleteElement when we do this)
selectedElements.ForEach(el =>
{
el.GroupChildren.ForEach(child => child.Parent = null);
DeleteElement(el);
});
selectedElements.Clear();
canvas.Invalidate();
}
public override bool SnapCheck(ShapeAnchor anchor, Point delta)
{
bool ret = canvas.Controller.Snap(anchor.Type, ref delta);
if (ret)
{
// Allow the entire line to move if snapped.
Move(delta);
}
else
{
// Otherwise, move just the anchor point with axis constraints.
ret = base.SnapCheck(anchor, delta);
}
return(ret);
}
public void DeleteElement()
{
if (selectedElement != null)
{
selectedElement.DetachAll();
EraseTopToBottom(elements);
elements.Remove(selectedElement);
selectedElement.Dispose();
selectedElement = null;
selectedAnchor = null;
showingAnchorsElement = null;
dragging = false;
DrawBottomToTop(elements);
ElementSelected.Fire(this, new ElementEventArgs());
// Need to refresh the entire screen to remove the element from the screen itself.
canvas.Invalidate();
}
}
public override void UpdateSize(ShapeAnchor anchor, Point delta)
{
if (anchor.Type == GripType.Start)
{
// X1
//this.AnchorMoveUndoRedo(nameof(StartPoint), StartPoint.Move(delta), false);
StartPoint = StartPoint.Move(delta);
}
else
{
// X1
//this.AnchorMoveUndoRedo(nameof(EndPoint), EndPoint.Move(delta), false);
EndPoint = EndPoint.Move(delta);
}
UpdatePath();
Rectangle newRect = RecalcDisplayRectangle();
canvas.Controller.UpdateDisplayRectangle(this, newRect, delta);
}
public override void SetAnchorCursor(GraphicElement el)
{
ShapeAnchor anchor = el.GetAnchors().FirstOrDefault(a => a.Near(mousePosition));
canvas.Cursor = anchor == null ? Cursors.Arrow : anchor.Cursor;
}
public virtual void UpdateSize(ShapeAnchor anchor, Point delta)
{
canvas.Controller.UpdateSize(this, anchor, delta);
}