//TODO: Test
public static IHtmlContent Table <T>(this IHtmlHelper html, IEnumerable <T> items, object htmlAttributes = null)
{
var builder = new FluentTagBuilder("table")
.MergeAttributes(htmlAttributes)
.StartTag("thead")
.StartTag("tr");
var properties = typeof(T).GetProperties(BindingFlags.Public | BindingFlags.Instance);
foreach (var property in properties)
{
builder = builder.StartTag("th").SetInnerHtml(property.Name).EndTag();
}
builder
.EndTag() // </tr>
.EndTag() // </thead>
.StartTag("tbody");
foreach (var item in items)
{
builder = builder.StartTag("tr");
foreach (var property in properties)
{
string value = property.GetValue(item).ToString();
builder = builder.StartTag("td").SetInnerHtml(value).EndTag();
}
builder = builder.EndTag(); // </tr>
}
builder = builder.EndTag(); // </tbody>
return(new HtmlString(builder.ToString()));
}
public FluentTagBuilder(string tagName, TagRenderMode renderMode = TagRenderMode.Normal, FluentTagBuilder parent = null)
{
tagBuilder = new TagBuilder(tagName);
tagBuilder.TagRenderMode = renderMode;
this.parent = parent;
stringBuilder = new StringBuilder();
}
public static IHtmlContent CheckBoxListFor <TModel, TProperty>(
this IHtmlHelper <TModel> html,
Expression <Func <TModel, IEnumerable <TProperty> > > expression,
IEnumerable <SelectListItem> selectList,
byte numberOfColumns = 1,
object labelHtmlAttributes = null,
object checkboxHtmlAttributes = null) where TModel : class
{
string htmlFieldName = ExpressionHelper.GetExpressionText(expression);
string fullHtmlFieldName = html.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(htmlFieldName);
string fullHtmlFieldId = html.ViewData.TemplateInfo.GetFullHtmlFieldId(htmlFieldName);
var func = expression.Compile();
var selectedValues = func(html.ViewData.Model);
var values = new List <string>();
if (selectedValues != null)
{
values.AddRange(selectedValues.Select(x => Convert.ToString(x)));
}
if (selectList == null)
{
throw new ArgumentNullException(nameof(selectList));
}
int index = 0;
var sb = new StringBuilder();
bool groupByCategory = (selectList.First() is ExtendedSelectListItem);
if (groupByCategory)
{
var items = selectList.Cast <ExtendedSelectListItem>().ToList();
var groups = items.GroupBy(x => x.Category);
foreach (var @group in groups)
{
sb.AppendFormat("<strong>{0}</strong>", group.Key);
foreach (var item in group)
{
var isChecked = values.Contains(item.Value);
var tagBuilder = new FluentTagBuilder("label")
.MergeAttribute("for", fullHtmlFieldName)
.MergeAttributes(labelHtmlAttributes)
.StartTag("input", TagRenderMode.SelfClosing)
.MergeAttribute("type", "checkbox")
.MergeAttribute("name", fullHtmlFieldName)
.MergeAttribute("id", fullHtmlFieldId + "_" + index)
.MergeAttribute("value", item.Value);
if (isChecked)
{
tagBuilder = tagBuilder.MergeAttribute("checked", "checked");
}
if (checkboxHtmlAttributes != null)
{
tagBuilder = tagBuilder.MergeAttributes(checkboxHtmlAttributes);
}
tagBuilder = tagBuilder.EndTag(); //end checkbox
tagBuilder = tagBuilder
.StartTag("span")
.SetInnerHtml(item.Text)
.EndTag();
sb.Append(tagBuilder.ToString());
index++;
}
}
}
else
{
var rows = (int)Math.Ceiling((selectList.Count() * 1d) / numberOfColumns);
var columnWidth = (int)Math.Ceiling(12d / numberOfColumns);
for (var i = 0; i < numberOfColumns; i++)
{
var items = selectList.Skip(i * rows).Take(rows);
sb.AppendFormat("<div class=\"col-md-{0}\">", columnWidth);
foreach (var item in items)
{
var isChecked = values.Contains(item.Value);
var tagBuilder = new FluentTagBuilder("label")
.MergeAttribute("for", fullHtmlFieldName)
.MergeAttributes(labelHtmlAttributes)
.StartTag("input", TagRenderMode.SelfClosing)
.MergeAttribute("type", "checkbox")
.MergeAttribute("name", fullHtmlFieldName)
.MergeAttribute("id", fullHtmlFieldId + "_" + index)
.MergeAttribute("value", item.Value);
if (isChecked)
{
tagBuilder = tagBuilder.MergeAttribute("checked", "checked");
}
if (checkboxHtmlAttributes != null)
{
tagBuilder = tagBuilder.MergeAttributes(checkboxHtmlAttributes);
}
tagBuilder = tagBuilder.EndTag(); //end checkbox
tagBuilder = tagBuilder
.StartTag("span")
.SetInnerHtml(item.Text)
.EndTag();
sb.Append(tagBuilder.ToString());
index++;
}
sb.Append("</div>");
}
}
return(new HtmlString(sb.ToString()));
}
public static IHtmlContent CheckBoxList(
this IHtmlHelper html,
string name,
IEnumerable <SelectListItem> selectList,
IEnumerable <string> selectedValues,
byte numberOfColumns = 1,
object labelHtmlAttributes = null,
object checkboxHtmlAttributes = null)
{
string fullHtmlFieldName = html.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(name);
string fullHtmlFieldId = html.ViewData.TemplateInfo.GetFullHtmlFieldId(name);
var values = new List <string>();
if (selectedValues != null)
{
values.AddRange(selectedValues);
}
if (selectList.IsNullOrEmpty())
{
return(HtmlString.Empty);
}
int index = 0;
var sb = new StringBuilder();
bool groupByCategory = (selectList.First() is ExtendedSelectListItem);
if (groupByCategory)
{
var items = selectList.Cast <ExtendedSelectListItem>().ToList();
var groups = items.GroupBy(x => x.Category);
foreach (var @group in groups)
{
sb.AppendFormat(@"<label class=""checkbox-list-group-label"">{0}</label>", group.Key);
foreach (var item in group)
{
var isChecked = values.Contains(item.Value);
var tagBuilder = new FluentTagBuilder("label")
.MergeAttribute("for", fullHtmlFieldName)
.MergeAttributes(labelHtmlAttributes)
.StartTag("input", TagRenderMode.SelfClosing)
.MergeAttribute("type", "checkbox")
.MergeAttribute("name", fullHtmlFieldName)
.MergeAttribute("id", fullHtmlFieldId + "_" + index)
.MergeAttribute("value", item.Value);
if (isChecked)
{
tagBuilder = tagBuilder.MergeAttribute("checked", "checked");
}
if (checkboxHtmlAttributes != null)
{
tagBuilder = tagBuilder.MergeAttributes(checkboxHtmlAttributes);
}
tagBuilder = tagBuilder.EndTag(); //end checkbox
tagBuilder = tagBuilder
.StartTag("span")
.SetInnerHtml(item.Text)
.EndTag();
sb.Append(tagBuilder.ToString());
index++;
}
}
}
else
{
var rows = (int)Math.Ceiling((selectList.Count() * 1d) / numberOfColumns);
var columnWidth = (int)Math.Ceiling(12d / numberOfColumns);
for (var i = 0; i < numberOfColumns; i++)
{
var items = selectList.Skip(i * rows).Take(rows);
sb.AppendFormat("<div class=\"col-md-{0}\">", columnWidth);
foreach (var item in items)
{
var isChecked = values.Contains(item.Value);
var tagBuilder = new FluentTagBuilder("label")
.MergeAttribute("for", fullHtmlFieldName)
.MergeAttributes(labelHtmlAttributes)
.StartTag("input", TagRenderMode.SelfClosing)
.MergeAttribute("type", "checkbox")
.MergeAttribute("name", fullHtmlFieldName)
.MergeAttribute("id", fullHtmlFieldId + "_" + index)
.MergeAttribute("value", item.Value);
if (isChecked)
{
tagBuilder = tagBuilder.MergeAttribute("checked", "checked");
}
if (checkboxHtmlAttributes != null)
{
tagBuilder = tagBuilder.MergeAttributes(checkboxHtmlAttributes);
}
tagBuilder = tagBuilder.EndTag(); //end checkbox
tagBuilder = tagBuilder
.StartTag("span")
.SetInnerHtml(item.Text)
.EndTag();
sb.Append(tagBuilder.ToString());
index++;
}
sb.Append("</div>");
}
}
return(new HtmlString(sb.ToString()));
}
private static string CreateCheckBox(
SelectListItem item,
IEnumerable <string> values,
string fullHtmlFieldId,
string fullHtmlFieldName,
int index,
object labelHtmlAttributes,
object checkboxHtmlAttributes,
bool inputInsideLabel,
bool wrapInDiv,
object wrapperHtmlAttributes)
{
FluentTagBuilder tagBuilder = null;
if (wrapInDiv)
{
tagBuilder = new FluentTagBuilder("div")
.MergeAttributes(wrapperHtmlAttributes ?? new { @class = "extenso-checkbox" })
.StartTag("label");
}
else
{
tagBuilder = new FluentTagBuilder("label");
}
tagBuilder = tagBuilder
.MergeAttribute("for", fullHtmlFieldName)
.MergeAttributes(labelHtmlAttributes);
if (!inputInsideLabel)
{
tagBuilder = tagBuilder.EndTag(); // end label
}
#region CheckBox Input
tagBuilder = tagBuilder
.StartTag("input", TagRenderMode.SelfClosing)
.MergeAttribute("type", "checkbox")
.MergeAttribute("name", fullHtmlFieldName)
.MergeAttribute("id", $"{fullHtmlFieldId}_{index}")
.MergeAttribute("value", item.Value);
bool isChecked = values.Contains(item.Value);
if (isChecked)
{
tagBuilder = tagBuilder.MergeAttribute("checked", "checked");
}
if (checkboxHtmlAttributes != null)
{
tagBuilder = tagBuilder.MergeAttributes(checkboxHtmlAttributes);
}
tagBuilder = tagBuilder.EndTag(); //end checkbox
#endregion CheckBox Input
// CheckBox Texts
tagBuilder = tagBuilder
.StartTag("span")
.SetInnerHtml(item.Text)
.EndTag(); // end span
if (inputInsideLabel)
{
tagBuilder = tagBuilder.EndTag(); // end label
}
return(tagBuilder.ToString()); // final div or label ended automatically
}
