public static FormItemTagHelper Create(string html)
{
var item = new FormItemTagHelper();
var tr = ParseHtml(html).QuerySelector("tr");
var tds = tr.QuerySelectorAll("td");
if (tds.Any())
{
item.Title = tds[0].InnerHtml.TrimEnd(':');
var td = tds[1];
var colSpan = td.GetAttribute("colspan");
if (colSpan.IsNotNullOrWhiteSpace())
{
item.ColSpan = colSpan.To <uint>();
}
item.ChildContent = td.InnerHtml;
item.Sort = tr.GetAttribute(EasyuiConsts.Item_Sort).ToNullable <int>();
item.ReplaceField = tr.GetAttribute(EasyuiConsts.Item_Replace);
}
return(item);
}
private FormItemTagHelper CreateItemTag(string itemName, string itemTitle, TextboxTagHelper contentTag, int itemSort = int.MaxValue)
{
var tag = new FormItemTagHelper();
tag.Field = itemName;
tag.Title = itemTitle;
tag.Sort = itemSort;
tag.ContentTag = contentTag;
if (ItemWidth.HasValue && !tag.ColSpan.HasValue && contentTag.IsMultiline != true)
{
tag.Width = $"{ItemWidth}px";
}
return(tag);
}
public override async Task ProcessAsync(TagHelperContext context, TagHelperOutput output)
{
var table = new StringBuilder($"<table cellpadding={CellPadding}>");
CreateFormItem();
var childHtml = (await output.GetChildContentAsync()).GetContent();
if (childHtml.IsNotNullOrWhiteSpace())
{
var childs = ParseHtml(childHtml).Body.Children;
while (childs.Any() && childs[0].TagName != "TR")
{
childs = childs[0].Children;
}
foreach (var child in childs)
{
var itemTag = FormItemTagHelper.Create(child.OuterHtml);
if (itemTag.ReplaceField.IsNotNullOrWhiteSpace())
{
var replaceTag = _formItems.FirstOrDefault(x => x.Field.Equals(itemTag.ReplaceField, StringComparison.CurrentCultureIgnoreCase));
if (replaceTag != null)
{
if (!itemTag.Sort.HasValue)
{
itemTag.Sort = replaceTag.Sort;
}
itemTag.Field = replaceTag.Field;
if (itemTag.Title.IsNullOrWhiteSpace())
{
itemTag.Title = replaceTag.Title;
}
//itemTag.ContentTag = replaceTag.ContentTag;
_formItems.Remove(replaceTag);
}
}
_formItems.Add(itemTag);
}
}
#region 标签转html
uint index = 0;
foreach (var item in _formItems.OrderBy(x => x.Sort))
{
if (_item.Contains(item.Field))
{
continue;
}
index++;
var remainder = index % ColCount;//余数
StringBuilder td = new StringBuilder();
if (item.Group.IsNotNullOrWhiteSpace())
{
var groupIndex = 0;
foreach (var groupItem in _formItems.Where(x => x.Group == item.Group))
{
var itemContent = await RenderInnerTagHelper(groupItem, context, CreateTagHelperOutput(), false);
var doc = new HtmlParser().ParseDocument($"<table><tr>{itemContent}</tr></table>");
var items = doc.QuerySelectorAll("td");
if (groupIndex == 0)
{
td.Append(items[0].OuterHtml);
td.Append($"<td {(groupItem.ColSpan.HasValue ? $"colspan='{groupItem.ColSpan}'" : "")}>");
}
td.Append($"{groupItem.Before}{items[1].InnerHtml}{groupItem.After}");
_item.Add(groupItem.Field);
groupIndex++;
}
td.Append("</td>");
}
else
{
td.Append(await RenderInnerTagHelper(item, context, CreateTagHelperOutput(), false));
}
if (item.ColSpan.HasValue)
{
var itemColCount = (item.ColSpan + 1) / ColCount;
if (itemColCount >= (remainder == 0 ? ColCount : remainder))
{
table.Append($"<tr>{td}</tr>");
index += itemColCount.Value + remainder;
continue;
}
}
if (index % ColCount == 1)
{
table.Append("<tr>");
}
table.Append(td);
if (index > 0 && remainder == 0 || _formItems.Count == 1)
{
table.Append("</tr>");
}
}
foreach (var textArea in _textAreas)
{
textArea.ColSpan = ColSpan;
textArea.Height = RemarkHeight;
textArea.MinWidth = "200px";
var remarkContent = await RenderInnerTagHelper(textArea, context, CreateTagHelperOutput(), false);
table.Append($"<tr>{remarkContent}</tr>");
}
#endregion
table.Append("</table>");
foreach (var hideItem in _hideItems)
{
table.Append($"<input name=\"{hideItem.ToCamelCase()}\" type=\"hidden\" />");
}
output.Content.SetHtmlContent(table.ToString());
await base.ProcessAsync(context, output);
}
