public override Status Layout(Area area)
{
if (marker == MarkerStart)
{
marker = 0;
Page containingPage = area.getPage();
bestMarker = SearchPage(containingPage);
if (bestMarker != null)
{
bestMarker.resetMarkerContent();
return bestMarker.LayoutMarker(area);
}
AreaTree areaTree = containingPage.getAreaTree();
if (retrieveBoundary == RetrieveBoundary.PAGE_SEQUENCE)
{
PageSequence pageSequence = areaTree.GetCurrentPageSequence();
if (pageSequence == containingPage.getPageSequence())
{
return LayoutBestMarker(areaTree.GetCurrentPageSequenceMarkers(), area);
}
}
else if (retrieveBoundary == RetrieveBoundary.DOCUMENT)
{
return LayoutBestMarker(areaTree.GetDocumentMarkers(), area);
}
else if (retrieveBoundary != RetrieveBoundary.PAGE)
{
throw new FonetException("Illegal 'retrieve-boundary' value");
}
}
else if (bestMarker != null)
{
return bestMarker.LayoutMarker(area);
}
return new Status(Status.OK);
}
public void registerMarker(Marker marker)
{
markers.Add(marker);
}
public void unregisterMarker(Marker marker)
{
markers.Remove(marker);
}
public void addMarker(Marker marker)
{
markers.Add(marker);
}
private Status LayoutBestMarker(ArrayList markers, Area area)
{
if (markers != null)
{
for (int i = markers.Count - 1; i >= 0; i--)
{
Marker currentMarker = (Marker)markers[i];
if (currentMarker.GetMarkerClassName().Equals(retrieveClassName))
{
bestMarker = currentMarker;
bestMarker.resetMarkerContent();
return bestMarker.LayoutMarker(area);
}
}
}
return new Status(Status.OK);
}
private Marker SearchPage(Page page)
{
ArrayList pageMarkers = page.getMarkers();
if (pageMarkers.Count == 0)
{
return(null);
}
if (retrievePosition == RetrievePosition.FIC)
{
for (int i = 0; i < pageMarkers.Count; i++)
{
Marker currentMarker = (Marker)pageMarkers[i];
if (currentMarker.GetMarkerClassName().Equals(retrieveClassName))
{
return(currentMarker);
}
}
}
else if (retrievePosition == RetrievePosition.FSWP)
{
for (int c = 0; c < pageMarkers.Count; c++)
{
Marker currentMarker = (Marker)pageMarkers[c];
if (currentMarker.GetMarkerClassName().Equals(retrieveClassName))
{
if (currentMarker.GetRegistryArea().isFirst())
{
return(currentMarker);
}
}
}
}
else if (retrievePosition == RetrievePosition.LSWP)
{
for (int c = pageMarkers.Count - 1; c >= 0; c--)
{
Marker currentMarker = (Marker)pageMarkers[c];
if (currentMarker.GetMarkerClassName().Equals(retrieveClassName))
{
if (currentMarker.GetRegistryArea().isFirst())
{
return(currentMarker);
}
}
}
}
else if (retrievePosition == RetrievePosition.LEWP)
{
for (int c = pageMarkers.Count - 1; c >= 0; c--)
{
Marker currentMarker = (Marker)pageMarkers[c];
if (currentMarker.GetMarkerClassName().Equals(retrieveClassName))
{
if (currentMarker.GetRegistryArea().isLast())
{
return(currentMarker);
}
}
}
}
else
{
throw new FonetException("Illegal 'retrieve-position' value");
}
return(null);
}