/// <summary>
/// Selects the first polygon point.
/// </summary>
public void SelectFirstPolygonPoint()
{
Logger.Instance.Log(LogPriority.DEBUG, this, "[NOTICE]\t[INTERACTION]\t[NAVIGATION]\t" + "first poly point");
if (LastSelectedShapePolygonPoints == null && LastSelectedShape != null)
{
var pObs = LastSelectedShape.GetPolygonPointsObserver();
if (pObs != null)
{
LastSelectedShapePolygonPoints = pObs;
}
}
if (LastSelectedShapePolygonPoints != null)
{
PolyPointDescriptor point;
if (LastSelectedShapePolygonPoints.HasPoints())
{
point = LastSelectedShapePolygonPoints.First();
}
else
{
point = new PolyPointDescriptor();
}
SpeakPolygonPoint(LastSelectedShapePolygonPoints);
fire_PolygonPointSelected(LastSelectedShapePolygonPoints, point);
}
else
{
fire_PolygonPointSelected_Reset();
}
}
/// <summary>
/// Updates the last selected polygon points if the current selected shape is a freeform.
/// This is necessary e.g. to keep position or transformation changes!
/// </summary>
public void UpdateLastSelectedPolygonPoints()
{
if (LastSelectedShapePolygonPoints != null)
{
LastSelectedShapePolygonPoints.Update();
// FIXME: reset iterator (call .ResetIterator()) or keep old index?!
}
}
/// <summary>
/// Selects the previous polygon point.
/// </summary>
public void SelectPreviousPolygonPoint(bool ignoreLastDuplicate = true)
{
Logger.Instance.Log(LogPriority.DEBUG, this, "[NOTICE]\t[INTERACTION]\t[NAVIGATION]\t" + "previous poly point");
if (LastSelectedShapePolygonPoints == null && LastSelectedShape != null)
{
var pObs = LastSelectedShape.GetPolygonPointsObserver();
if (pObs != null)
{
LastSelectedShapePolygonPoints = pObs;
}
}
if (LastSelectedShapePolygonPoints != null)
{
PolyPointDescriptor point;
if (LastSelectedShapePolygonPoints.HasPoints())
{
if (LastSelectedShapePolygonPoints.HasPrevious())
{
point = LastSelectedShapePolygonPoints.Previous();
}
else
{
point = LastSelectedShapePolygonPoints.Last();
if (ignoreLastDuplicate && LastSelectedShapePolygonPoints.HasPrevious())
{
point = LastSelectedShapePolygonPoints.Previous();
}
}
}
else
{
point = new PolyPointDescriptor();
}
SpeakPolygonPoint(LastSelectedShapePolygonPoints);
fire_PolygonPointSelected(LastSelectedShapePolygonPoints, point);
}
else
{
fire_PolygonPointSelected_Reset();
}
}
public void ChoosePreviousElement()
{
Logger.Instance.Log(LogPriority.DEBUG, this, "[NOTICE]\t[INTERACTION]\t[NAVIGATION]\t" + "previous element");
if (LastSelectedShapePolygonPoints != null &&
LastSelectedShapePolygonPoints.IsValid() &&
LastSelectedShapePolygonPoints.Shape == LastSelectedShape)
{
SelectPreviousPolygonPoint();
}
else if (LastSelectedShape == null)
{
//try to get the last shape of the current page
var activeDoc = OoConnection.GetActiveDrawDocument() as OoAccessibleDocWnd;
if (activeDoc != null)
{
OoShapeObserver last = AccDomWalker.GetLastShapeOfDocument(activeDoc);
if (last != null)
{
AudioRenderer.Instance.Abort(); // stop current audio to return the shape change
LastSelectedShape = last;
//sayLastSelectedShape();
}
else
{
playError();
}
}
}
else
{
OoShapeObserver prev = AccDomWalker.MoveToPrevious(LastSelectedShape);
if (prev != null)
{
AudioRenderer.Instance.Abort(); // stop current audio to return the shape change
LastSelectedShape = prev as OoShapeObserver;
//sayLastSelectedShape();
}
else
{
playError();
}
}
}
/// <summary>
/// Go to the next element in the document tree.
/// </summary>
public void ChooseNextElement()
{
Logger.Instance.Log(LogPriority.DEBUG, this, "[NOTICE]\t[INTERACTION]\t[NAVIGATION]\t" + "next element");
if (LastSelectedShapePolygonPoints != null &&
LastSelectedShapePolygonPoints.IsValid() &&
LastSelectedShapePolygonPoints.Shape == LastSelectedShape)
{
SelectNextPolygonPoint(LastSelectedShapePolygonPoints != null && LastSelectedShapePolygonPoints.IsClosed(true));
}
else if (LastSelectedShape == null)
{
//try to get the first shape of the current page
var activeDoc = OoConnection.GetActiveDrawDocument() as OoAccessibleDocWnd;
if (activeDoc != null)
{
OoShapeObserver first = AccDomWalker.GetFirstShapeOfDocument(activeDoc);
if (first != null)
{
AudioRenderer.Instance.Abort(); // stop current audio to return the shape change
LastSelectedShape = first;
//sayLastSelectedShape();
}
else
{
playError();
}
}
}
else
{
OoShapeObserver next = AccDomWalker.MoveToNext(LastSelectedShape);
if (next != null)
{
AudioRenderer.Instance.Abort(); // stop current audio to return the shape change
LastSelectedShape = next as OoShapeObserver;
//sayLastSelectedShape();
}
else
{
playError();
}
}
}
public void ChooseFirstChildOfElement()
{
Logger.Instance.Log(LogPriority.DEBUG, this, "[NOTICE]\t[INTERACTION]\t[NAVIGATION]\t" + "first child");
if (LastSelectedShape == null)
{
//try to get the first shape of the current page
var activeDoc = OoConnection.GetActiveDrawDocument() as OoAccessibleDocWnd;
if (activeDoc != null)
{
OoShapeObserver first = AccDomWalker.GetFirstShapeOfDocument(activeDoc);
if (first != null)
{
AudioRenderer.Instance.Abort(); // stop current audio to return the shape change
LastSelectedShape = first;
//sayLastSelectedShape();
}
else
{
playError();
}
}
}
else
{
int index = 0;
OoShapeObserver child = AccDomWalker.MoveToChild(LastSelectedShape, ref index);
if (child != null)
{
AudioRenderer.Instance.Abort(); // stop current audio to return the shape change
LastSelectedShape = child as OoShapeObserver;
//sayLastSelectedShape();
}
else
{
SelectNextPolygonPoint(LastSelectedShapePolygonPoints != null && LastSelectedShapePolygonPoints.IsClosed(true));
if (LastSelectedShapePolygonPoints == null)
{
playError();
}
}
}
}
/// <summary>
/// Selects the first available polygon point.
/// </summary>
public void SelectPolygonPoint()
{
Logger.Instance.Log(LogPriority.DEBUG, this, "[NOTICE]\t[INTERACTION]\t[NAVIGATION]\t" + "select poly point");
if (LastSelectedShapePolygonPoints == null && LastSelectedShape != null)
{
LastSelectedShapePolygonPoints = LastSelectedShape.GetPolygonPointsObserver();
UpdateLastSelectedPolygonPoints();
}
if (LastSelectedShapePolygonPoints != null)
{
SpeakPolygonPoint(LastSelectedShapePolygonPoints);
int i;
fire_PolygonPointSelected(LastSelectedShapePolygonPoints, LastSelectedShapePolygonPoints.Current(out i));
}
else
{
fire_PolygonPointSelected_Reset();
}
}
/// <summary>
/// Selects the next following polygon point.
/// </summary>
/// <param name="ignoreLastDuplicate">if set to <c>true</c> to ignore the last point of an closed bezier,
/// because it's the same as the first point..</param>
public void SelectNextPolygonPoint(bool ignoreLastDuplicate = true)
{
// check if the shape is closed or not
Logger.Instance.Log(LogPriority.DEBUG, this, "[NOTICE]\t[INTERACTION]\t[NAVIGATION]\t" + "next poly point");
if (LastSelectedShapePolygonPoints == null && LastSelectedShape != null)
{
LastSelectedShapePolygonPoints = LastSelectedShape.GetPolygonPointsObserver();
UpdateLastSelectedPolygonPoints();
}
if (LastSelectedShapePolygonPoints != null)
{
PolyPointDescriptor point;
if (LastSelectedShapePolygonPoints.HasPoints())
{
if (!LastSelectedShapePolygonPoints.HasNext(ignoreLastDuplicate))
{
LastSelectedShapePolygonPoints.ResetIterator();
}
point = LastSelectedShapePolygonPoints.Next();
}
else
{
point = new PolyPointDescriptor();
}
SpeakPolygonPoint(LastSelectedShapePolygonPoints);
fire_PolygonPointSelected(LastSelectedShapePolygonPoints, point);
}
else
{
fire_PolygonPointSelected_Reset();
}
}
