/// <summary>Adds the given signatures to the list.</summary>
void AddSignatures(IEnumerable<KeySignature> sigs)
{
bool hadItem = false;
foreach(KeySignature sig in sigs)
{
KeySignatureItem item = CreateSignatureItem(sig);
if(item != null)
{
SetFont(item);
item.ImageIndex = IndentImage;
item.IndentCount = 1;
Items.Add(item);
hadItem = true;
}
}
if(hadItem) // change the last item's image to the corner, if we added an item
{
Items[Items.Count-1].ImageIndex = CornerImage;
}
else // otherwise, add an item that says there are no signatures
{
ListViewItem item = new ListViewItem("No signatures");
item.ImageIndex = CornerImage;
item.IndentCount = 1;
Items.Add(item);
}
}
/// <include file="documentation.xml" path="/UI/ListBase/SetKeySignatureItemFont/*"/>
protected virtual void SetFont(KeySignatureItem item)
{
if(item.Signature.IsInvalid) // if the signature failed verification, it may indicate a security problem
{
item.ForeColor = Color.FromArgb(255, 96, 0); // so make it colorful
}
else if(item.Signature.Revocation && !item.Signature.SelfSignature) // if the signature says this key is NOT owned
{ // by the real user
// we want to make it striking, but if the signature is of unknown validity, it shouldn't be too striking
item.ForeColor = item.Signature.IsValid ? Color.Red : Color.FromArgb(255, 96, 96);
}
else if(!item.Signature.IsValid) // if the signature could not be verified, then gray it out
{
item.ForeColor = SystemColors.GrayText;
}
}
/// <include file="documentation.xml" path="/UI/ListBase/CreateSignatureItem/*"/>
protected virtual KeySignatureItem CreateSignatureItem(KeySignature sig)
{
if(sig == null) throw new ArgumentNullException();
string name = string.IsNullOrEmpty(sig.SignerName) ? "(User ID not found)" : sig.SignerName;
if(sig.Revocation && sig.SelfSignature) name += " (self revocation)";
else if(sig.SelfSignature) name += " (self signature)";
else if(sig.Revocation) name += " (revocation)";
KeySignatureItem item = new KeySignatureItem(sig, name);
item.SubItems.Add(sig.ShortKeyId);
item.SubItems.Add((sig.Exportable ? "Exportable " : "Local ") + PGPUI.GetSignatureDescription(sig.Type));
item.SubItems.Add(sig.Expired ? "Expired" : sig.IsValid ? "Valid" : sig.IsInvalid ? "Invalid" :
sig.ErrorOccurred ? "Error" : "Unverified");
item.SubItems.Add(sig.CreationTime.ToShortDateString());
return item;
}