/// <summary>
/// Writes all the destinations to the current PDF Object
/// </summary>
/// <param name="context"></param>
/// <param name="writer"></param>
/// <param name="all"></param>
/// <returns></returns>
private PDFObjectRef WriteDestinationNames(PDFRenderContext context, PDFWriter writer, IEnumerable <string> all)
{
PDFObjectRef dests = writer.BeginObject();
writer.BeginDictionary();
//Write the names array
writer.BeginDictionaryEntry("Names");
writer.BeginArray();
string firstname = string.Empty;
string lastname = string.Empty;
foreach (string name in all)
{
if (WriteDestination(context, writer, name))
{
if (string.IsNullOrEmpty(firstname))
{
firstname = name;
}
lastname = name;
}
}
writer.EndArray();
writer.EndDictionaryEntry();
//Write limits
writer.BeginDictionaryEntry("Limits");
writer.WriteArrayStringEntries(firstname, lastname);
writer.EndDictionaryEntry();
writer.EndDictionary();
writer.EndObject();
return(dests);
}
public Native.PDFObjectRef OutputToPDF(PDFWriter writer, PDFRenderContext context)
{
List <ICategorisedArtefactNamesEntry> entries = new List <ICategorisedArtefactNamesEntry>();
Native.PDFObjectRef oref = null;
if (this.InnerEntries.Count == 0)
{
return(oref);
}
if (this.NameType == PDFCategorisedNameDictionary.DestinationsName)
{
oref = writer.BeginObject();
writer.BeginDictionary();
writer.BeginDictionaryEntry("Names");
string first = null;
string last = null;
writer.BeginArray();
foreach (KeyValuePair <string, IArtefactEntry> kvp in this.InnerEntries)
{
if (string.IsNullOrEmpty(first))
{
first = kvp.Key;
}
else
{
last = kvp.Key;
}
writer.BeginArrayEntry();
writer.WriteStringLiteral(kvp.Key);
writer.EndArrayEntry();
writer.BeginArrayEntry();
((PDFDestination)kvp.Value).OutputToPDF(context, writer);
writer.EndArrayEntry();
writer.WriteLine();
}
writer.EndArray();
writer.EndDictionaryEntry();
if (!string.IsNullOrEmpty(first) && !string.IsNullOrEmpty(last))
{
writer.BeginDictionaryEntry("Limits");
writer.WriteArrayStringEntries(true, first, last);
writer.EndDictionaryEntry();
}
writer.EndDictionary();
writer.EndObject();
}
else //we contain ICategorizedArtefactNameEntry(s)
{
oref = writer.BeginObject();
writer.BeginDictionary();
writer.BeginDictionaryEntry("Names");
//string first = null;
//string last = null;
writer.BeginArray();
foreach (KeyValuePair <string, IArtefactEntry> kvp in this.InnerEntries)
{
//if (string.IsNullOrEmpty(first))
// first = kvp.Key;
//else
// last = kvp.Key;
writer.BeginArrayEntry();
writer.WriteStringLiteral(kvp.Key);
writer.EndArrayEntry();
writer.BeginArrayEntry();
ICategorisedArtefactNamesEntry entry = (ICategorisedArtefactNamesEntry)kvp.Value;
Native.PDFObjectRef entryOref = entry.OutputToPDF(context, writer);
if (null != entryOref)
{
writer.WriteObjectRef(entryOref);
}
writer.EndArrayEntry();
writer.WriteLine();
}
writer.EndArray();
writer.EndDictionaryEntry();
//Limits only required on Intermediate and Leaf nodes of a tree, not the root
//if (!string.IsNullOrEmpty(first) && !string.IsNullOrEmpty(last))
//{
// writer.BeginDictionaryEntry("Limits");
// writer.WriteArrayStringEntries(true, first, last);
// writer.EndDictionaryEntry();
//}
writer.EndDictionary();
writer.EndObject();
}
return(oref);
}
