public System.Windows.Forms.Cursor GetPointCursor(int index)
{
int translatedIndex;
IControlPointsProvider provider = GetProviderByIndex(index, out translatedIndex);
return(provider.GetPointCursor(translatedIndex));
}
public JointControlPointsProvider(IControlPointsProvider provider)
{
_controlPointsProviders = new System.Collections.ArrayList();
_controlPointsProviders.Add(provider);
_controlPoints = new JointControlPointCollection(this);
_supportedActions = new JointVObjectActionCollection(this);
}
public ControlPoint this[int index]
{
get
{
int translatedIndex;
IControlPointsProvider provider = _host.GetProviderByIndex(index, out translatedIndex);
return(provider.ControlPoints[translatedIndex]);
}
}
public void RemoveProvider(IControlPointsProvider provider)
{
if (provider == null)
{
throw new System.ArgumentNullException("provider");
}
_controlPointsProviders.Remove(provider);
}
public void InsertProvider(int index, IControlPointsProvider provider)
{
if (provider == null)
{
throw new System.ArgumentNullException("provider");
}
_controlPointsProviders.Insert(index, provider);
}
public virtual bool NotifyMouseMove(System.Windows.Forms.MouseEventArgs e)
{
if (e == null)
{
throw new System.ArgumentNullException("e");
}
if (_gripsProvider == null)
{
return(false);
}
if (!_obj.Locked && _dragging && e.Button == System.Windows.Forms.MouseButtons.Left)
{
System.Drawing.Rectangle invalidRect = GetObjectInvalidationArea();
IControlPointsProvider icpp = _obj as IControlPointsProvider;
ResizeMode prevResizeMode = ResizeMode.Arbitrary;
bool resizeProportionally = false;
if (_resizeProportionallyWithShift && (System.Windows.Forms.Control.ModifierKeys & System.Windows.Forms.Keys.Shift) == System.Windows.Forms.Keys.Shift && icpp != null && icpp.SupportedActions.Contains(VObjectAction.Resize))
{
ResizeVObjectAction resizeAction = (ResizeVObjectAction)icpp.SupportedActions[VObjectAction.Resize];
if (resizeAction.ResizeMode != ResizeMode.None)
{
resizeProportionally = true;
prevResizeMode = resizeAction.ResizeMode;
resizeAction.ResizeMode = ResizeMode.Proportional;
}
}
_obj.DrawMode = VObjectDrawMode.Draft;
_gripsProvider.DragPoint(_dragPointIndex, new System.Drawing.Point(e.X, e.Y));
if (resizeProportionally)
{
((ResizeVObjectAction)icpp.SupportedActions[VObjectAction.Resize]).ResizeMode = prevResizeMode;
}
invalidRect = System.Drawing.Rectangle.Union(invalidRect, GetObjectInvalidationArea());
_objectHost.HostViewer.InvalidateViewer(new MultiLayerViewerInvalidationTarget(invalidRect, _objectHost.CurrentLayer));
}
else
{
UpdateCursor(e.X, e.Y);
}
return(true);
}
internal IControlPointsProvider GetProviderByIndex(int index, out int translatedIndex)
{
int pointCount = 0;
for (int i = 0; i < _controlPointsProviders.Count; i++)
{
IControlPointsProvider provider = (IControlPointsProvider)_controlPointsProviders[i];
if (index < pointCount + provider.ControlPoints.Count)
{
translatedIndex = index - pointCount;
return(provider);
}
pointCount += provider.ControlPoints.Count;
}
throw new System.ArgumentException(StringResources.GetString("ExStrCannotFindIndex"), "index");
}
private void UpdateControlPointsState()
{
bool enableResize = true, enableSkew = true, enableRotate = true, enableDrag = true;
ResizeMode resizeMode = ResizeMode.Arbitrary;
foreach (IVObject obj in _children)
{
IControlPointsProvider icpp = obj as IControlPointsProvider;
if (icpp != null)
{
// Updating resize options
IVObjectAction action = icpp.SupportedActions[VObjectAction.Resize];
if (_multipleVObjectsTransformationEnabled && action != null)
{
enableResize &= action.Enabled;
if (((ResizeVObjectAction)action).ResizeMode == ResizeMode.None)
{
resizeMode = ResizeMode.None;
}
if (resizeMode != ResizeMode.None && ((ResizeVObjectAction)action).ResizeMode == ResizeMode.Proportional)
{
resizeMode = ResizeMode.Proportional;
}
}
else
{
enableResize = false;
}
// And skew options
action = icpp.SupportedActions[VObjectAction.Skew];
if (_multipleVObjectsTransformationEnabled && action != null)
{
enableSkew &= action.Enabled;
}
else
{
enableSkew = false;
}
// And rotations options
action = icpp.SupportedActions[VObjectAction.Rotate];
if (_multipleVObjectsTransformationEnabled && action != null)
{
enableRotate &= action.Enabled;
}
else
{
enableRotate = false;
}
// And rotations options
action = icpp.SupportedActions[VObjectAction.Drag];
if (action != null)
{
enableDrag &= action.Enabled;
}
else
{
enableDrag = false;
}
}
else
{
enableResize = false;
enableSkew = false;
enableRotate = false;
}
}
this.SupportedActions[VObjectAction.Rotate].Enabled = enableRotate;
this.SupportedActions[VObjectAction.Skew].Enabled = enableSkew;
this.SupportedActions[VObjectAction.Resize].Enabled = enableResize;
this.SupportedActions[VObjectAction.Drag].Enabled = enableDrag;
((ResizeVObjectAction)this.SupportedActions[VObjectAction.Resize]).ResizeMode = resizeMode;
}
