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;
return(tag);
}
public static FormItemTagHelper Create(string html)
{
var item = new FormItemTagHelper();
var doc = ParseHtml(html);
var itemDiv = doc.QuerySelector(".layui-form-item");
item.Title = itemDiv.QuerySelector(".layui-form-label")?.InnerHtml;
item.ChildContent = itemDiv.QuerySelector(".layui-input-block").InnerHtml;
item.Sort = itemDiv.GetAttribute(LayuiConsts.Item_Sort).ToNullable <int>();
item.ReplaceField = itemDiv.GetAttribute(LayuiConsts.Item_Replace);
item.ColSpan = itemDiv.GetAttribute(LayuiConsts.Colspan).ToNullable <uint>();
return(item);
}
public override async Task ProcessAsync(TagHelperContext context, TagHelperOutput output)
{
if (ModelTagHelper.HasModel)
{
var form = new StringBuilder();
CreateFormItem();
var childHtml = (await output.GetChildContentAsync()).GetContent();
if (childHtml.IsNotNullOrWhiteSpace())
{
var childs = ParseHtml(childHtml).QuerySelectorAll(".layui-form-item");
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))
{
index++;
item.ColMd = 12 / ColCount;
var remainder = index % ColCount;//余数
var formItem = await RenderInnerTagHelper(item, context, CreateTagHelperOutput(), false);
if (item.ColSpan.HasValue)
{
var itemColCount = (item.ColSpan + 1) / ColCount;
if (itemColCount >= (remainder == 0 ? ColCount : remainder))
{
form.Append($"<div class=\"layui-row\">{formItem}</div>");
index += itemColCount.Value + remainder;
continue;
}
}
if (index % ColCount == 1)
{
form.Append("<div class=\"layui-row\">");
}
form.Append(formItem);
if (index > 0 && remainder == 0 || _formItems.Count == 1)
{
form.Append("</div>");
}
}
foreach (var textArea in _textAreas)
{
textArea.ColSpan = ColSpan;
textArea.Height = RemarkHeight;
textArea.MinWidth = "200px";
var remarkContent = await RenderInnerTagHelper(textArea, context, CreateTagHelperOutput(), false);
form.Append($"<div class=\"layui-row\">{remarkContent}</div>");
}
#endregion
foreach (var hideItem in _hideItems)
{
form.Append($"<input name=\"{hideItem.ToCamelCase()}\" hidden=\"hidden\" />");
}
output.Content.SetHtmlContent(form.ToString());
await base.ProcessAsync(context, output);
}
}
