private static async Task <string> ParseElementAsync(IParseManager parseManager, ListInfo listInfo, List <KeyValuePair <int, Site> > dataSource)
{
var pageInfo = parseManager.PageInfo;
if (dataSource == null || dataSource.Count == 0)
{
return(string.Empty);
}
var builder = new StringBuilder();
if (listInfo.Layout == ListLayout.None)
{
if (!string.IsNullOrEmpty(listInfo.HeaderTemplate))
{
builder.Append(listInfo.HeaderTemplate);
}
var isAlternative = false;
var isSeparator = false;
var isSeparatorRepeat = false;
if (!string.IsNullOrEmpty(listInfo.AlternatingItemTemplate))
{
isAlternative = true;
}
if (!string.IsNullOrEmpty(listInfo.SeparatorTemplate))
{
isSeparator = true;
}
if (!string.IsNullOrEmpty(listInfo.SeparatorRepeatTemplate))
{
isSeparatorRepeat = true;
}
for (var i = 0; i < dataSource.Count; i++)
{
var site = dataSource[i];
pageInfo.SiteItems.Push(site);
var templateString = isAlternative && i % 2 == 1 ? listInfo.AlternatingItemTemplate : listInfo.ItemTemplate;
var parsedString = await TemplateUtility.GetSitesTemplateStringAsync(templateString, string.Empty, parseManager, ParseType.Site);
builder.Append(parsedString);
if (isSeparator && i != dataSource.Count - 1)
{
builder.Append(listInfo.SeparatorTemplate);
}
if (isSeparatorRepeat && (i + 1) % listInfo.SeparatorRepeat == 0 && i != dataSource.Count - 1)
{
builder.Append(listInfo.SeparatorRepeatTemplate);
}
}
if (!string.IsNullOrEmpty(listInfo.FooterTemplate))
{
builder.Append(listInfo.FooterTemplate);
}
}
else
{
var isAlternative = !string.IsNullOrEmpty(listInfo.AlternatingItemTemplate);
var tableAttributes = listInfo.GetTableAttributes();
var cellAttributes = listInfo.GetCellAttributes();
using var table = new HtmlTable(builder, tableAttributes);
if (!string.IsNullOrEmpty(listInfo.HeaderTemplate))
{
table.StartHead();
using (var tHead = table.AddRow())
{
tHead.AddCell(listInfo.HeaderTemplate, cellAttributes);
}
table.EndHead();
}
table.StartBody();
var columns = listInfo.Columns <= 1 ? 1 : listInfo.Columns;
var itemIndex = 0;
while (true)
{
using var tr = table.AddRow();
for (var cell = 1; cell <= columns; cell++)
{
var cellHtml = string.Empty;
if (itemIndex < dataSource.Count)
{
var site = dataSource[itemIndex];
pageInfo.SiteItems.Push(site);
var templateString = isAlternative && itemIndex % 2 == 1 ? listInfo.AlternatingItemTemplate : listInfo.ItemTemplate;
cellHtml = await TemplateUtility.GetSitesTemplateStringAsync(templateString, string.Empty, parseManager, ParseType.Site);
}
tr.AddCell(cellHtml, cellAttributes);
itemIndex++;
}
if (itemIndex >= dataSource.Count)
{
break;
}
}
table.EndBody();
if (!string.IsNullOrEmpty(listInfo.FooterTemplate))
{
table.StartFoot();
using (var tFoot = table.AddRow())
{
tFoot.AddCell(listInfo.FooterTemplate, cellAttributes);
}
table.EndFoot();
}
}
return(builder.ToString());
}