/// <summary>
/// Gets the order of the layers in which they will be displayed in the layer view panel,
/// including nesting.
/// </summary>
private static void GetOCGOrder(PdfArray order, PdfLayer layer)
{
if (!layer.IsOnPanel())
{
return;
}
if (layer.GetTitle() == null)
{
order.Add(layer.GetPdfObject().GetIndirectReference());
}
IList <PdfLayer> children = layer.GetChildren();
if (children == null)
{
return;
}
PdfArray kids = new PdfArray();
if (layer.GetTitle() != null)
{
kids.Add(new PdfString(layer.GetTitle(), PdfEncodings.UNICODE_BIG));
}
foreach (PdfLayer child in children)
{
GetOCGOrder(kids, child);
}
if (kids.Size() > 0)
{
order.Add(kids);
}
}
/// <summary>Fills the underlying PdfDictionary object with the current layers and their settings.</summary>
/// <remarks>
/// Fills the underlying PdfDictionary object with the current layers and their settings.
/// Note that it completely regenerates the dictionary, so your direct changes to the dictionary
/// will not take any affect.
/// </remarks>
/// <returns>the resultant dictionary</returns>
public virtual PdfObject FillDictionary()
{
PdfArray gr = new PdfArray();
foreach (PdfLayer layer in layers)
{
if (layer.GetTitle() == null)
{
gr.Add(layer.GetIndirectReference());
}
}
GetPdfObject().Put(PdfName.OCGs, gr);
// Save radio groups.
PdfArray rbGroups = null;
PdfDictionary d = GetPdfObject().GetAsDictionary(PdfName.D);
if (d != null)
{
rbGroups = d.GetAsArray(PdfName.RBGroups);
}
d = new PdfDictionary();
if (rbGroups != null)
{
d.Put(PdfName.RBGroups, rbGroups);
}
GetPdfObject().Put(PdfName.D, d);
IList <PdfLayer> docOrder = new List <PdfLayer>(layers);
for (int i = 0; i < docOrder.Count; i++)
{
PdfLayer layer_1 = docOrder[i];
if (layer_1.GetParent() != null)
{
docOrder.Remove(layer_1);
i--;
}
}
PdfArray order = new PdfArray();
foreach (Object element in docOrder)
{
PdfLayer layer_1 = (PdfLayer)element;
GetOCGOrder(order, layer_1);
}
d.Put(PdfName.Order, order);
PdfArray off = new PdfArray();
foreach (Object element_1 in layers)
{
PdfLayer layer_1 = (PdfLayer)element_1;
if (layer_1.GetTitle() == null && !layer_1.IsOn())
{
off.Add(layer_1.GetIndirectReference());
}
}
if (off.Size() > 0)
{
d.Put(PdfName.OFF, off);
}
else
{
d.Remove(PdfName.OFF);
}
PdfArray locked = new PdfArray();
foreach (PdfLayer layer_2 in layers)
{
if (layer_2.GetTitle() == null && layer_2.IsLocked())
{
locked.Add(layer_2.GetIndirectReference());
}
}
if (locked.Size() > 0)
{
d.Put(PdfName.Locked, locked);
}
else
{
d.Remove(PdfName.Locked);
}
d.Remove(PdfName.AS);
AddASEvent(PdfName.View, PdfName.Zoom);
AddASEvent(PdfName.View, PdfName.View);
AddASEvent(PdfName.Print, PdfName.Print);
AddASEvent(PdfName.Export, PdfName.Export);
return(GetPdfObject());
}
/// <summary>Fills the underlying PdfDictionary object with the current layers and their settings.</summary>
/// <remarks>
/// Fills the underlying PdfDictionary object with the current layers and their settings.
/// Note that it completely regenerates the dictionary, so your direct changes to the dictionary
/// will not take any affect.
/// </remarks>
/// <param name="removeNonDocumentOcgs">
/// the flag indicating whether it is necessary
/// to delete OCGs not from the current document
/// </param>
/// <returns>the resultant dictionary</returns>
public virtual PdfObject FillDictionary(bool removeNonDocumentOcgs)
{
PdfArray gr = new PdfArray();
foreach (PdfLayer layer in layers)
{
if (layer.GetTitle() == null)
{
gr.Add(layer.GetIndirectReference());
}
}
GetPdfObject().Put(PdfName.OCGs, gr);
// Save radio groups.
PdfArray rbGroups = null;
PdfDictionary d = GetPdfObject().GetAsDictionary(PdfName.D);
if (d != null)
{
rbGroups = d.GetAsArray(PdfName.RBGroups);
}
d = new PdfDictionary();
if (rbGroups != null)
{
d.Put(PdfName.RBGroups, rbGroups);
}
d.Put(PdfName.Name, new PdfString(CreateUniqueName(), PdfEncodings.UNICODE_BIG));
GetPdfObject().Put(PdfName.D, d);
IList <PdfLayer> docOrder = new List <PdfLayer>(layers);
for (int i = 0; i < docOrder.Count; i++)
{
PdfLayer layer = docOrder[i];
if (layer.GetParent() != null)
{
docOrder.Remove(layer);
i--;
}
}
PdfArray order = new PdfArray();
foreach (Object element in docOrder)
{
PdfLayer layer = (PdfLayer)element;
GetOCGOrder(order, layer);
}
d.Put(PdfName.Order, order);
PdfArray off = new PdfArray();
foreach (Object element in layers)
{
PdfLayer layer = (PdfLayer)element;
if (layer.GetTitle() == null && !layer.IsOn())
{
off.Add(layer.GetIndirectReference());
}
}
if (off.Size() > 0)
{
d.Put(PdfName.OFF, off);
}
else
{
d.Remove(PdfName.OFF);
}
PdfArray locked = new PdfArray();
foreach (PdfLayer layer in layers)
{
if (layer.GetTitle() == null && layer.IsLocked())
{
locked.Add(layer.GetIndirectReference());
}
}
if (locked.Size() > 0)
{
d.Put(PdfName.Locked, locked);
}
else
{
d.Remove(PdfName.Locked);
}
d.Remove(PdfName.AS);
AddASEvent(PdfName.View, PdfName.Zoom);
AddASEvent(PdfName.View, PdfName.View);
AddASEvent(PdfName.Print, PdfName.Print);
AddASEvent(PdfName.Export, PdfName.Export);
if (removeNonDocumentOcgs)
{
this.RemoveNotRegisteredOcgs();
}
return(GetPdfObject());
}
