public CursorMgr(VdDocument doc, IPaletteOwner palette)
{
_doc = doc;
_palette = palette;
setListeners(true);
}
public CursorMgr(VdDocument doc, IPaletteOwner palette)
{
_doc = doc;
_palette = palette;
setListeners(true);
}
//IVdShape
public static object DetectSelectedShape(VdDocument doc, Point pos,
TouchDevice d,
out Shape resizeNode)
{
resizeNode = null;
HitTestResult htr = VisualTreeHelper.HitTest(doc.Scene, pos);
if (htr == null)
{
return(null);
}
var cluster = ShapeHitTester.findVdCluster(htr.VisualHit);
if (cluster != null)
{
return(cluster);
}
var text = ShapeHitTester.findVdText(htr.VisualHit);
if (text != null)
{
return(text);
}
var badge = ShapeHitTester.findVdBadge(htr.VisualHit);
if (badge != null)
{
return(badge);
}
var img = ShapeHitTester.findVdImg(htr.VisualHit);
if (img != null)
{
return(img);
}
//is it resize node?
resizeNode = htr.VisualHit as Shape;
if (resizeNode != null)
{
var vdShape = resizeNode.Tag as IVdShape;
if (vdShape != null && vdShape.IsVisible())
{
return(vdShape);
}
}
//empty area, find nearest shape
return(NearestShape(doc, pos));
}
public static bool IsPaletteHit(VdDocument doc, Point pos)
{
HitTestResult htr = VisualTreeHelper.HitTest(doc.Scene, pos);
if (htr == null)
{
return(false);
}
Ellipse paletteEllipse = htr.VisualHit as Ellipse;
return(paletteEllipse != null);
}
//ctor for drawing
public VdCluster(int owner, int shapeId,
VdDocument doc,
OnClusterUncluster onClusterUncluster,
OnClusterCleanup OnClusterCleanup)
: base(owner, shapeId)
{
_doc = doc;
_endpoint = new ClientCluster(shapeId, boundsProvider);
_onClusterUncluster = onClusterUncluster;
_OnClusterCleanup = OnClusterCleanup;
init(DaoUtils.UserIdToColor(owner));
}
//ctor for drawing
public VdCluster(int owner, int shapeId,
VdDocument doc,
OnClusterUncluster onClusterUncluster,
OnClusterCleanup OnClusterCleanup) :
base(owner, shapeId)
{
_doc = doc;
_endpoint = new ClientCluster(shapeId, boundsProvider);
_onClusterUncluster = onClusterUncluster;
_OnClusterCleanup = OnClusterCleanup;
init(DaoUtils.UserIdToColor(owner));
}
public SceneManager(Canvas scene, DistributedInkCanvas ink, Palette palette, InkPalette inkPalette,
int topicId, int discussionId, bool shapeVisibility)
{
_scene = scene;
_palette = palette;
_ink = ink;
_inkPalette = inkPalette;
//non-NaN palette coords
Canvas.SetLeft(_palette, 200);
Canvas.SetTop(_palette, 200);
_doc = new VdDocument(palette, scene, ShapePostCtor, topicId, discussionId, shapeVisibility);
inkPalette.Init(FinishFreeDrawing, ink);
setListeners(true);
}
public SceneManager(Canvas scene, DistributedInkCanvas ink, Palette palette, InkPalette inkPalette,
int topicId, int discussionId, bool shapeVisibility)
{
_scene = scene;
_palette = palette;
_ink = ink;
_inkPalette = inkPalette;
//non-NaN palette coords
Canvas.SetLeft(_palette, 200);
Canvas.SetTop(_palette, 200);
_doc = new VdDocument(palette, scene, ShapePostCtor, topicId, discussionId, shapeVisibility);
inkPalette.Init(FinishFreeDrawing, ink);
setListeners(true);
}
public SceneManager(Canvas scene, DistributedInkCanvas ink, Palette palette, InkPalette inkPalette,
int topicId, int discussionId)
{
_scene = scene;
_palette = palette;
_ink = ink;
_inkPalette = inkPalette;
//non-NaN palette coords
Canvas.SetLeft(_palette, 200);
Canvas.SetTop(_palette, 200);
_doc = new VdDocument(palette, scene, ShapePostCtor, topicId, discussionId);
_doc.VolatileCtx.localCursorChanged += localCursorChanged;
_ink.OnInkChanged += OnLocalInkChanged;
inkPalette.Init(finishFreeDrawing);
setListeners(true);
}
public SceneManager(Canvas scene, DistributedInkCanvas ink, Palette palette, InkPalette inkPalette,
int topicId, int discussionId)
{
_scene = scene;
_palette = palette;
_ink = ink;
_inkPalette = inkPalette;
//non-NaN palette coords
Canvas.SetLeft(_palette, 200);
Canvas.SetTop(_palette, 200);
_doc = new VdDocument(palette, scene, ShapePostCtor, topicId, discussionId);
_doc.VolatileCtx.localCursorChanged += localCursorChanged;
_ink.OnInkChanged += OnLocalInkChanged;
inkPalette.Init(finishFreeDrawing);
setListeners(true);
}
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);
}
public VdClusterLink(ClientLinkable end1, ClientLinkable end2,
int shapeId, int owner,
VdDocument doc,
LinkHeadType headType) :
base(owner, shapeId)
{
_doc = doc;
_end1 = end1;
_end2 = end2;
_headType = headType;
initLine(DaoUtils.UserIdToColor(owner), headType);
//wait until actual size is set
line.Dispatcher.BeginInvoke(new Action(() => { NotifyLinkableMoved(); }),
System.Windows.Threading.DispatcherPriority.Background);
RemoveFocus();
updateUserCursor();
}
public VdClusterLink(ClientLinkable end1, ClientLinkable end2,
int shapeId, int owner,
VdDocument doc,
LinkHeadType headType)
: base(owner, shapeId)
{
_doc = doc;
_end1 = end1;
_end2 = end2;
_headType = headType;
initLine(DaoUtils.UserIdToColor(owner), headType);
//wait until actual size is set
line.Dispatcher.BeginInvoke(new Action(() => { NotifyLinkableMoved(); }),
System.Windows.Threading.DispatcherPriority.Background);
RemoveFocus();
updateUserCursor();
}
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);
}
public static bool IsPaletteHit(VdDocument doc, Point pos)
{
HitTestResult htr = VisualTreeHelper.HitTest(doc.Scene, pos);
if (htr == null)
return false;
Ellipse paletteEllipse = htr.VisualHit as Ellipse;
return paletteEllipse != null;
}