/// <summary>
/// Gets a compressed textual description for Braille text output for a polygon point.
/// </summary>
/// <param name="pointsObs">The points observer.</param>
/// <returns>a string suitable for short Braille output.</returns>
public static string GetPointText(OoPolygonPointsObserver pointsObs)
{
if (pointsObs != null)
{
int index;
var point = pointsObs.Current(out index);
if (!point.Equals(default(PolyPointDescriptor)))
{
index += 1;
string nodeType = LL.GetTrans("tangram.oomanipulation.element_speaker.label." + point.Flag.ToString());
// remove one point from count if first and last point is equal
int count = pointsObs.Count - (pointsObs.FirstPointEqualsLastPoint() ? 1 : 0);
String text = LL.GetTrans("tangram.oomanipulation.element_speaker.text.point",
nodeType,
index,
count,
(((float)point.X / 1000f)).ToString("0.##cm"),
(((float)point.Y / 1000f)).ToString("0.##cm")
);
//point.Flag.ToString() + " (" + index + "/" + pointsObs.Count + ") - x:" + point.X + " y:" + point.Y;
return(text);
}
}
return(String.Empty);
}
/// <summary>
/// Gets an audio description for auditory output for a polygon point.
/// </summary>
/// <param name="pointsObs">The points observer.</param>
/// <returns>a string suitable for auditory output.</returns>
public static string GetPointAudio(OoPolygonPointsObserver pointsObs)
{
if (pointsObs != null)
{
int index;
var point = pointsObs.Current(out index);
if (!point.Equals(default(PolyPointDescriptor)))
{
index += 1;
string nodeType = LL.GetTrans("tangram.oomanipulation.element_speaker.label." + point.Flag.ToString());
// remove one point from count if first and last point is equal
int count = pointsObs.Count - (pointsObs.FirstPointEqualsLastPoint() ? 1 : 0);
String audio = LL.GetTrans("tangram.oomanipulation.element_speaker.audio.point",
nodeType,
index,
count
);
return(audio);
}
}
return(String.Empty);
}
private void fire_PolygonPointSelected(OoPolygonPointsObserver ppobs, util.PolyPointDescriptor point)
{
if (PolygonPointSelected != null)
{
Task t = new Task(new Action(() => { try { PolygonPointSelected.Invoke(this, new PolygonPointSelectedEventArgs(ppobs, point)); } catch { } }));
t.Start();
}
}
/// <summary>
/// Returns the polygon point to audio and textual output receivers.
/// </summary>
/// <param name="pointsObs">The points obs.</param>
public void SpeakPolygonPoint(OoPolygonPointsObserver pointsObs)
{
if (pointsObs != null)
{
String audio = GetPointAudio(pointsObs);
String text = GetPointText(pointsObs);
sendAudioFeedback(audio);
sentTextFeedback(text);
}
}
/// <summary>
/// Sets the shape for modification to the given observer.
/// </summary>
/// <param name="shape">The shape.</param>
/// <param name="observed">The observed.</param>
/// <returns>the currently selected Shape observer</returns>
public bool SetPolypointForModification(OoPolygonPointsObserver points, OoShapeObserver shape)
{
if (shape != null && points != null && points.Shape == shape)
{
if (shapeManipulatorFunctionProxy != null && !ImageData.Instance.Active)
{
// OoElementSpeaker.PlayElementImmediately(shape, LL.GetTrans("tangram.lector.oo_observer.selected", String.Empty));
if (shapeManipulatorFunctionProxy.LastSelectedShape != shape)
{
shapeManipulatorFunctionProxy.LastSelectedShape = shape;
}
shapeManipulatorFunctionProxy.LastSelectedShapePolygonPoints = points;
// shapeManipulatorFunctionProxy.SelectLastPolygonPoint();
shapeManipulatorFunctionProxy.SelectPolygonPoint();
}
else // title+desc dialog handling
{
ImageData.Instance.NewSelectionHandling(shape);
}
}
return(false);
}
/// <summary>
/// Initializes a new instance of the <see cref="PolygonPointSelectedEventArgs"/> class with empty Members.
/// Should only be used to reset the listeners.
/// </summary>
public PolygonPointSelectedEventArgs()
{
PolygonPoints = null;
Point = new util.PolyPointDescriptor();
}
/// <summary>
/// Initializes a new instance of the <see cref="PolygonPointSelectedEventArgs"/> class.
/// </summary>
/// <param name="ppobs">polygon points observer.</param>
/// <param name="point">current selected point.</param>
public PolygonPointSelectedEventArgs(OoPolygonPointsObserver ppobs, tud.mci.tangram.util.PolyPointDescriptor point)
{
PolygonPoints = ppobs;
Point = point;
}
