private static async Task <string> ParseImplAsync(IParseManager parseManager, ListInfo listInfo)
{
var pageInfo = parseManager.PageInfo;
var type = listInfo.Others.Get(Type);
if (string.IsNullOrEmpty(type))
{
type = nameof(Content.ImageUrl);
}
var valueList = new List <string>();
var content = await parseManager.GetContentAsync();
if (content != null)
{
if (!string.IsNullOrEmpty(content.Get <string>(type)))
{
valueList.Add(content.Get <string>(type));
}
var countName = ColumnsManager.GetCountName(type);
var total = content.Get <int>(countName);
for (var i = 1; i <= total; i++)
{
var extendName = ColumnsManager.GetExtendName(type, i);
var extend = content.Get <string>(extendName);
valueList.Add(extend);
}
//var extendAttributeName = ColumnsManager.GetExtendAttributeName(type);
//var extendValues = content.Get<string>(extendAttributeName);
//if (!string.IsNullOrEmpty(extendValues))
//{
// foreach (var extendValue in ListUtils.GetStringList(extendValues))
// {
// valueList.Add(extendValue);
// }
//}
if (listInfo.StartNum > 1 || listInfo.TotalNum > 0)
{
if (listInfo.StartNum > 1)
{
var count = listInfo.StartNum - 1;
if (count > valueList.Count)
{
count = valueList.Count;
}
valueList.RemoveRange(0, count);
}
if (listInfo.TotalNum > 0)
{
if (listInfo.TotalNum < valueList.Count)
{
valueList.RemoveRange(listInfo.TotalNum, valueList.Count - listInfo.TotalNum);
}
}
}
}
if (valueList.Count == 0)
{
return(string.Empty);
}
var eachList = new List <KeyValuePair <int, object> >();
var index = 0;
foreach (string value in valueList)
{
eachList.Add(new KeyValuePair <int, object>(index++, value));
}
var builder = new StringBuilder();
if (listInfo.Layout == Layout.None)
{
if (!string.IsNullOrEmpty(listInfo.HeaderTemplate))
{
builder.Append(listInfo.HeaderTemplate);
}
var isAlternative = false;
var isSeparator = false;
if (!string.IsNullOrEmpty(listInfo.AlternatingItemTemplate))
{
isAlternative = true;
}
if (!string.IsNullOrEmpty(listInfo.SeparatorTemplate))
{
isSeparator = true;
}
for (var i = 0; i < eachList.Count; i++)
{
var each = eachList[i];
pageInfo.EachItems.Push(each);
var templateString = isAlternative && i % 2 == 1 ? listInfo.AlternatingItemTemplate : listInfo.ItemTemplate;
builder.Append(await TemplateUtility.GetEachsTemplateStringAsync(templateString, listInfo.SelectedItems, listInfo.SelectedValues, string.Empty, parseManager, ParseType.Each));
if (isSeparator && i != eachList.Count - 1)
{
builder.Append(listInfo.SeparatorTemplate);
}
}
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 < eachList.Count)
{
var each = eachList[itemIndex];
pageInfo.EachItems.Push(each);
var templateString = isAlternative && itemIndex % 2 == 1 ? listInfo.AlternatingItemTemplate : listInfo.ItemTemplate;
cellHtml = await TemplateUtility.GetEachsTemplateStringAsync(templateString, listInfo.SelectedItems, listInfo.SelectedValues, string.Empty, parseManager, ParseType.Each);
}
tr.AddCell(cellHtml, cellAttributes);
itemIndex++;
}
if (itemIndex >= eachList.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());
}