private bool TryGetNamedGroup(string name, out PDFListNumberGroup grp)
{
foreach (PDFListNumberGroup item in _namedGroups)
{
if (string.Equals(item.Name, name))
{
grp = item;
return(true);
}
}
grp = null;
return(false);
}
public void PushGroup(string name, ListNumberingGroupStyle style, string prefix, string postfix, bool concat, int startIndex)
{
PDFListNumberGroup grp;
if (string.IsNullOrEmpty(name) || this.TryGetNamedGroup(name, out grp) == false)
{
grp = new PDFListNumberGroup(name, startIndex, style, prefix, postfix, concat);
//Add it to the named groups if we have a name
if (!string.IsNullOrEmpty(name))
{
_namedGroups.Add(grp);
}
}
this._currentGroups.Add(grp);
}
/// <summary>
/// Pushes either an existing known group with the specified name, or a new one (remembering it if there is a name) onto the current Numbering stack
/// </summary>
/// <param name="name">The name of the group to retireve or create</param>
/// <param name="liststyle"></param>
public void PushGroup(string name, Styles.Style liststyle)
{
PDFListNumberGroup grp;
if (string.IsNullOrEmpty(name) || this.TryGetNamedGroup(name, out grp) == false)
{
int startindex = 1;
ListNumberingGroupStyle style = liststyle.GetValue(StyleKeys.ListNumberStyleKey, ListNumberingGroupStyle.Decimals);
string prefix = liststyle.GetValue(StyleKeys.ListPrefixKey, String.Empty);
string postfix = liststyle.GetValue(StyleKeys.ListPostfixKey, String.Empty);
bool concat = liststyle.GetValue(StyleKeys.ListConcatKey, false);
grp = new PDFListNumberGroup(name, startindex, style, prefix, postfix, concat);
if (!string.IsNullOrEmpty(name))
{
_namedGroups.Add(grp);
}
}
this._currentGroups.Add(grp);
}
public string Increment()
{
if (!this.HasCurrentGroup)
{
throw new IndexOutOfRangeException(Errors.NoCurrentNumberGroup);
}
//Get the highest group that is concatenated
int last = this._currentGroups.Count - 1;
int index = last;
while (index >= 0)
{
if (_currentGroups[index].Concatenate == false)
{
break;
}
else if (index == 0)
{
break;
}
else
{
index--;
}
}
if (index < 0)
{
return(string.Empty);
}
StringBuilder sb = new StringBuilder();
for (int depth = index; depth <= last; depth++)
{
PDFListNumberGroup grp = this._currentGroups[depth];
//If we are the last group then we should increment the value
if (depth == last)
{
grp.Increment();
}
if (!string.IsNullOrEmpty(grp.PreFix))
{
sb.Append(grp.PreFix);
}
string value = GetStringValue(grp.CurrentIndex, depth, grp.Style);
if (!string.IsNullOrEmpty(value))
{
sb.Append(value);
}
if (!string.IsNullOrEmpty(grp.PostFix))
{
sb.Append(grp.PostFix);
}
}
return(sb.ToString());
}
