protected virtual IHtmlContent GenerateCheckBox(
ModelExplorer modelExplorer,
string expression,
bool?isChecked,
object htmlAttributes)
{
var checkbox = _htmlGenerator.GenerateCheckBox(
ViewContext,
modelExplorer,
expression,
isChecked,
htmlAttributes);
var hiddenForCheckboxTag = _htmlGenerator.GenerateHiddenForCheckbox(ViewContext, modelExplorer, expression);
if (checkbox == null || hiddenForCheckboxTag == null)
{
return(HtmlString.Empty);
}
var checkboxContent = new HtmlContentBuilder().AppendHtml(checkbox);
if (ViewContext.FormContext.CanRenderAtEndOfForm)
{
ViewContext.FormContext.EndOfFormContent.Add(hiddenForCheckboxTag);
}
else
{
checkboxContent.AppendHtml(hiddenForCheckboxTag);
}
return(checkboxContent);
}
protected virtual HtmlString GenerateCheckBox(ModelMetadata metadata, string name, bool?isChecked,
object htmlAttributes)
{
var checkbox = _htmlGenerator.GenerateCheckBox(
ViewContext,
metadata,
name,
isChecked,
htmlAttributes);
var hidden = _htmlGenerator.GenerateHiddenForCheckbox(ViewContext, metadata, name);
if (checkbox == null || hidden == null)
{
return(HtmlString.Empty);
}
var elements = checkbox.ToString(TagRenderMode.SelfClosing) + hidden.ToString(TagRenderMode.SelfClosing);
return(new HtmlString(elements));
}
protected virtual IHtmlContent GenerateCheckBox(
ModelExplorer modelExplorer,
string expression,
bool?isChecked,
object htmlAttributes)
{
var checkbox = _htmlGenerator.GenerateCheckBox(
ViewContext,
modelExplorer,
expression,
isChecked,
htmlAttributes);
var hidden = _htmlGenerator.GenerateHiddenForCheckbox(ViewContext, modelExplorer, expression);
if (checkbox == null || hidden == null)
{
return(HtmlString.Empty);
}
return(new BufferedHtmlContent().Append(checkbox).Append(hidden));
}
public override void Process(TagHelperContext context, TagHelperOutput output)
{
var text = output.Attributes.SingleOrDefault(a => a.Name == "text");
var isDisabled = output.Attributes.SingleOrDefault(a => a.Name == "disabled") != null;
var isReadOnly = output.Attributes.SingleOrDefault(a => a.Name == "readonly") != null;
var isRequired = output.Attributes.SingleOrDefault(a => a.Name == "required") != null;
output.Attributes.RemoveAll("disabled");
output.Attributes.RemoveAll("readonly");
output.Attributes.RemoveAll("required");
var labelAttributes = new Dictionary <string, object>
{
{ "class", "pmd-checkbox checkbox-pmd-ripple-effect" }
};
var checkboxAttributes = new Dictionary <string, object>
{
{ "type", "checkbox" }
};
if (isDisabled)
{
checkboxAttributes.Add("disabled", "disabled");
}
if (isReadOnly)
{
checkboxAttributes.Add("readonly", "readonly");
}
if (isRequired)
{
checkboxAttributes.Add("required", "required");
}
var inputPre = "";
var inputPost = "";
var value = For.ModelExplorer.Model == null ? false : (bool)For.ModelExplorer.Model;
var labelText = text == null ? For.Metadata.DisplayName : text.Value.ToString();
var input = _generator.GenerateCheckBox(ViewContext, For.ModelExplorer, For.Name, value, checkboxAttributes);
var label = _generator.GenerateLabel(ViewContext, For.ModelExplorer, For.Name, "", labelAttributes);
var hidden = _generator.GenerateHiddenForCheckbox(ViewContext, For.ModelExplorer, For.Name);
// Strip end tag from label
var labelStart = "";
using (var writer = new StringWriter())
{
label.WriteTo(writer, System.Text.Encodings.Web.HtmlEncoder.Default);
labelStart = writer.ToString();
labelStart = labelStart.Replace("</label>", "");
}
inputPre = $"{labelStart}{inputPre}";
inputPost = $"{inputPost}<span class=\"pmd-checkbox-label\"> </span><span class=\"pmd-checkbox\">{labelText}</span></label>";
output.TagName = "div";
output.TagMode = TagMode.StartTagAndEndTag;
output.Attributes.SetAttribute("class", "checkbox pmd-default-theme");
string textboxOutput;
using (var writer = new StringWriter())
{
writer.Write(inputPre);
input.WriteTo(writer, System.Text.Encodings.Web.HtmlEncoder.Default);
hidden.WriteTo(writer, System.Text.Encodings.Web.HtmlEncoder.Default);
writer.Write(inputPost);
textboxOutput = writer.ToString();
}
output.Content.SetHtmlContent(textboxOutput);
}
public TagBuilder GenerateHiddenForCheckbox(ViewContext viewContext, ModelExplorer modelExplorer, string expression)
{
return(_htmlGenerator.GenerateHiddenForCheckbox(viewContext, modelExplorer, expression));
}