//convHull can be either corrected input set, or existing convex hull
List <ClientClusterable> GetBadgeList(List <Point> convHull)
{
var res = new List <ClientClusterable>(_doc.GetShapes().Count() / 2);
var badges = _doc.GetShapes().Where(sh => sh.ShapeCode() == VdShapeType.Badge);
foreach (IVdShape b in badges)
{
var clusterable = ((VdBadge)b).GetClusterable();
if (clusterable.Busy)
{
continue;
}
//if badge is in cluster and it's not in this cluster, ignore it
if (clusterable.IsInCluster() && clusterable.ClusterId != Id())
{
continue;
}
//if (!CoarseHitTest(clusterable))
// continue;
if (ShapeUtils.FuzzyInside(clusterable.GetBounds(), convHull))
{
res.Add(clusterable);
}
}
return(res);
}
/// <summary>
/// call this when
/// 1. user removes contact points so that local cursor needs to be removed
/// 2. palette owner changes and we invalidate previous cursor
/// </summary>
/// <param name="ownId"></param>
public void BeginFreeCursor(bool supressClusterMoveEvent)
{
//if currently we hold cursor on shape, remove it
var ownedSh = DocTools.CursorOwnerToShape(_palette.GetOwnerId(), _doc.GetShapes());
if (ownedSh != null && ownedSh.GetCursor() != null)
{
_rt.clienRt.SendCursorRequest(false, _palette.GetOwnerId(), ownedSh.Id(), _doc.TopicId);
if (_movementDetected)
{
if (ownedSh is VdBadge)
{
_rt.clienRt.SendStatsEvent(Discussions.model.StEvent.BadgeMoved,
ownedSh.GetCursor().OwnerId,
_doc.DiscussionId,
_doc.TopicId,
Discussions.model.DeviceType.Wpf);
}
else if (!supressClusterMoveEvent && ownedSh is VdCluster)
{
_rt.clienRt.SendStatsEvent(Discussions.model.StEvent.ClusterMoved,
ownedSh.GetCursor().OwnerId,
_doc.DiscussionId,
_doc.TopicId,
Discussions.model.DeviceType.Wpf);
}
else if (ownedSh is VdFreeForm)
{
_rt.clienRt.SendStatsEvent(Discussions.model.StEvent.FreeDrawingMoved,
ownedSh.GetCursor().OwnerId,
_doc.DiscussionId,
_doc.TopicId,
Discussions.model.DeviceType.Wpf);
}
}
if (_resizeDetected)
{
if (ownedSh is VdFreeForm)
{
_rt.clienRt.SendStatsEvent(Discussions.model.StEvent.FreeDrawingResize,
ownedSh.GetCursor().OwnerId,
_doc.DiscussionId,
_doc.TopicId,
Discussions.model.DeviceType.Wpf);
}
}
_localCursorShape = null;
if (localCursorChanged != null)
{
localCursorChanged(this);
}
}
_movementDetected = false;
_resizeDetected = false;
}
//if we have editing permission for all own shapes, we can clear them all
public void RemoveOwnShapes(int owner)
{
var ownShapes = _doc.GetShapes().Where(sh => sh.InitialOwner() == owner && sh.ShapeCode() != VdShapeType.Badge);
foreach (var s in ownShapes)
{
if (!editingPermission(s))
{
MessageBox.Show("To delete your shapes, wait until all your shapes are free of user cursors",
"No permission",
MessageBoxButton.OK,
MessageBoxImage.Error);
return;
}
}
_doc.BeginClearShapesOfOwner();
}
private static IVdShape NearestShape(VdDocument doc, Point point)
{
IVdShape res = null;
double minDist = double.MaxValue;
foreach (var sh in doc.GetShapes())
{
if (!sh.IsVisible())
{
continue;
}
if (sh.ShapeCode() == VdShapeType.Badge)
{
continue;
}
double d_i = sh.distToFigure(point);
if (sh.ShapeCode() == VdShapeType.Arrow)
{
d_i /= 2.0;
}
if (d_i < minDist)
{
minDist = d_i;
res = sh;
}
}
const double MAX_NEIGHBOURHOOD = 70;
if (minDist > MAX_NEIGHBOURHOOD)
{
res = null;
}
return(res);
}
static IVdShape NearestShape(VdDocument doc, Point point)
{
IVdShape res = null;
double minDist = double.MaxValue;
foreach (var sh in doc.GetShapes())
{
double d_i = sh.distToFigure(point);
if (d_i < minDist)
{
minDist = d_i;
res = sh;
}
}
const double MAX_NEIGHBOURHOOD = 150;
if (minDist > MAX_NEIGHBOURHOOD)
{
res = null;
}
return(res);
}