/// <summary>
/// Gets the OoShapeObserver for an accessible if already registered.
/// </summary>
/// <param name="accComp">The acc comp to get the observer for.</param>
/// <param name="page">The page observer to search the observer in.</param>
/// <returns>The related OoShapeObserver if already registered</returns>
private static OoShapeObserver getObserverForAccessible(OoAccComponent accComp, OoDrawPageObserver page)
{
if (accComp != null && accComp.IsValid() && page != null)
{
var pObs = page.PagesObserver;
if (pObs != null)
{
OoShapeObserver sObs = pObs.GetRegisteredShapeObserver(accComp);
if (sObs == null) // shape is not registered
{
page.Update(); // try to do it better for the next term
AudioRenderer.Instance.PlayWaveImmediately(StandardSounds.Error);
////TODO: try to get the parent
return null;
}
return sObs;
}
else
{
Logger.Instance.Log(LogPriority.DEBUG, "OpenOfficeDrawShapeManipulator", "[ERROR] can't get the pages observer to get a ShapeObserver for the next item");
}
}
return null;
}
private static OoAccComponent moveToParentComponent(OoAccComponent comp)
{
if (comp != null && comp.IsValid())
{
try
{
OoAccComponent parent = comp.GetParent();
if (parent != null && acceptAsUsableShape(parent))
{
return parent;
}
}
catch { }
}
return null;
}
private static OoAccComponent moveToChildComponent(OoAccComponent comp, ref int index)
{
if (comp != null && comp.IsValid() && comp.HasChildren)
{
try
{
int childNumber = comp.ChildCount;
index = index % childNumber;
return comp.GetChild(index);
}
catch { }
}
return null;
}
private static OoAccComponent moveToPrevComponent(OoAccComponent comp)
{
if (comp != null && comp.IsValid())
{
//--------------------------
// try to get the parent
OoAccComponent parent = comp.GetParent();
if (parent != null)
{
int pIndex = comp.IndexInParent;
int pcCount = parent.ChildCount;
int npIndex = mod(pIndex - 1, pcCount);
if (pIndex != npIndex)
{
// get prev sibling
var prevSibling = parent.GetChild(npIndex);
if (prevSibling != null)
{
System.Diagnostics.Debug.WriteLine("[MOVE PREV] ---> return prev sibling: " + prevSibling);
return prevSibling;
}
}
}
}
return null;
}