/// <summary>
/// Gets a list of related frames
/// </summary>
/// <param name="relation">Type of relation to fetch</param>
/// <param name="relationDirection">Relation direction</param>
/// <param name="recursive">Whether or not to get related frames recursively</param>
/// <returns>Set of frames</returns>
public FrameSet GetRelatedFrames(FrameRelation relation, FrameRelationDirection relationDirection, bool recursive)
{
FrameSet frames = new FrameSet(true);
GetRelatedFrames(relation, relationDirection, recursive, frames);
return(frames);
}
/// <summary>
/// Gets a list of related frames
/// </summary>
/// <param name="relation">Type of relation to fetch</param>
/// <param name="relationDirection">Relation direction</param>
/// <param name="recursive">Whether or not to get related frames recursively</param>
/// <param name="currentFrames">Current set of frames</param>
/// <returns>Set of frames</returns>
private void GetRelatedFrames(FrameRelation relation, FrameRelationDirection relationDirection, bool recursive, FrameSet currentFrames)
{
// add sub-frames
if (relationDirection == FrameRelationDirection.Sub || relationDirection == FrameRelationDirection.Both)
{
foreach (Frame subFrame in _relationSubFrames[relation])
{
if (!currentFrames.Contains(subFrame))
{
currentFrames.Add(subFrame);
// recursively add sub-frames
if (recursive)
{
subFrame.GetRelatedFrames(relation, relationDirection, recursive, currentFrames);
}
}
}
}
// add super-frames
if (relationDirection == FrameRelationDirection.Super || relationDirection == FrameRelationDirection.Both)
{
foreach (Frame superFrame in _relationSuperFrames[relation])
{
if (!currentFrames.Contains(superFrame))
{
currentFrames.Add(superFrame);
// recursively add super-frames
if (recursive)
{
superFrame.GetRelatedFrames(relation, relationDirection, recursive, currentFrames);
}
}
}
}
}
/// <summary>
/// Gets sub-frames
/// </summary>
/// <param name="relation">Relation to query</param>
/// <returns>Sub-frames</returns>
public FrameSet GetSubFrames(FrameRelation relation)
{
return(_relationSubFrames[relation]);
}
