/**
* Remove the relation to the specified part in this namespace and remove the
* part, if it is no longer needed and flag is set to true.
*
* @param part
* The related part, to which the relation shall be Removed.
* @param RemoveUnusedParts
* true, if the part shall be Removed from the namespace if not
* needed any longer.
*/
protected internal bool RemoveRelation(POIXMLDocumentPart part, bool RemoveUnusedParts)
{
String id = GetRelationId(part);
if (id == null)
{
// part is not related with this POIXMLDocumentPart
return(false);
}
/* decrement usage counter */
part.DecrementRelationCounter();
/* remove namespacepart relationship */
GetPackagePart().RemoveRelationship(id);
/* remove POIXMLDocument from relations */
relations.Remove(id);
if (RemoveUnusedParts)
{
/* if last relation to target part was Removed, delete according target part */
if (part.GetRelationCounter() == 0)
{
try
{
part.onDocumentRemove();
}
catch (IOException e)
{
throw new POIXMLException(e);
}
GetPackagePart().Package.RemovePart(part.GetPackagePart());
}
}
return(true);
}
protected bool RemoveRelation(POIXMLDocumentPart part, bool RemoveUnusedParts)
{
string relationId = this.GetRelationId(part);
if (relationId == null)
{
return(false);
}
part.DecrementRelationCounter();
this.GetPackagePart().RemoveRelationship(relationId);
this.relations.Remove(relationId);
if (RemoveUnusedParts)
{
if (part.GetRelationCounter() == 0)
{
try
{
part.onDocumentRemove();
}
catch (IOException ex)
{
throw new POIXMLException((Exception)ex);
}
this.GetPackagePart().Package.RemovePart(part.GetPackagePart());
}
}
return(true);
}
/**
* Remove the relation to the specified part in this namespace and remove the
* part, if it is no longer needed and flag is set to true.
*
* @param part
* The related part, to which the relation shall be Removed.
* @param RemoveUnusedParts
* true, if the part shall be Removed from the namespace if not
* needed any longer.
*/
protected bool RemoveRelation(POIXMLDocumentPart part, bool RemoveUnusedParts)
{
String id = GetRelationId(part);
if (id == null)
{
// part is not related with this POIXMLDocumentPart
return false;
}
/* decrement usage counter */
part.DecrementRelationCounter();
/* remove namespacepart relationship */
GetPackagePart().RemoveRelationship(id);
/* remove POIXMLDocument from relations */
relations.Remove(id);
if (RemoveUnusedParts)
{
/* if last relation to target part was Removed, delete according target part */
if (part.GetRelationCounter() == 0)
{
try
{
part.onDocumentRemove();
}
catch (IOException e)
{
throw new POIXMLException(e);
}
GetPackagePart().Package.RemovePart(part.GetPackagePart());
}
}
return true;
}