/// <summary>
/// Class constructor.
/// </summary>
/// <param name="objectId">The object id number</param>
/// <param name="title">The title of the outline entry (can only be null for root Outlines obj)</param>
/// <param name="action">The page which this outline refers to.</param>
public PdfOutline(PdfObjectId objectId, string title, PdfObjectReference action)
: base(objectId)
{
this.subentries = new ArrayList();
this.count = 0;
this.parent = null;
this.prev = null;
this.next = null;
this.first = null;
this.last = null;
this.title = title;
this.actionRef = action;
}
/// <summary>
/// Add a sub element to this outline
/// </summary>
/// <param name="outline"></param>
public void AddOutline(PdfOutline outline)
{
if (subentries.Count > 0)
{
outline.prev = (PdfOutline)subentries[subentries.Count - 1];
outline.prev.next = outline;
}
else
{
first = outline;
}
subentries.Add(outline);
outline.parent = this;
IncrementCount(); // note: count is not just the immediate children
last = outline;
}
public PdfOutline makeOutline(PdfOutline parent, string label,
string destination)
{
PdfObjectReference goToRef = getGoToReference(destination);
PdfOutline obj = new PdfOutline(doc.NextObjectId(), label, goToRef);
if (parent != null)
{
parent.AddOutline(obj);
}
this.objects.Add(obj);
return obj;
}
public PdfOutline getOutlineRoot()
{
if (outlineRoot != null)
{
return outlineRoot;
}
outlineRoot = new PdfOutline(doc.NextObjectId(), null, null);
addTrailerObject(outlineRoot);
doc.Catalog.Outlines = outlineRoot;
return outlineRoot;
}