public void ChooseParentOfElement()
{
Logger.Instance.Log(LogPriority.DEBUG, this, "[NOTICE]\t[INTERACTION]\t[NAVIGATION]\t" + "parent");
if (LastSelectedShapePolygonPoints != null)
{
LastSelectedShapePolygonPoints = null;
fire_PolygonPointSelected_Reset();
if (LastSelectedShape != null)
{
AudioRenderer.Instance.Abort(); // stop current audio to return the shape change
// LastSelectedShape = LastSelectedShape;
fire_SelectedShapeChanged(ChangeReson.Object);
//sayLastSelectedShape();
return;
}
}
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 parent = AccDomWalker.MoveToParent(LastSelectedShape);
if (parent != null)
{
AudioRenderer.Instance.Abort(); // stop current audio to return the shape change
LastSelectedShape = parent as OoShapeObserver;
//sayLastSelectedShape();
}
else
{
playError();
}
}
}
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();
}
}
}
}
