public static HtmlTag ActionAjax(this IHtmlHelper helper, string url, int minHeight, string placeholderText)
{
var placeholderTag = new DivTag();
placeholderTag.Append(new HtmlTag("h6").Text(placeholderText));
var spinnerTag = new DivTag();
spinnerTag.Append(new HtmlTag("i").AddClasses("fa", "fa-spinner", "fa-pulse", "fa-fw"));
var errorMessage = "Restarting the ODS / API is known to solve issues with first time setup or previously cached information, and may help resolve this issue on its own." +
" Please try restarting the ODS / API now and reload this to see if this same error occurs." +
" If the error persists, please check the application logs and then feel to schedule a ticket via <a href='https://tracker.ed-fi.org/projects/EDFI/issues'>Ed-Fi Tracker</a>" +
" or visit <a href='https://techdocs.ed-fi.org/display/ADMIN'>Admin App documentation</a> for more information.";
var contentLoadingArea = new DivTag().Data("source-url", url).Data("error-message", errorMessage).AddClass("load-action-async");
if (minHeight > 0)
{
//adding a minimum height is optional, but can help prevent the page scrollbar from jumping around while content loads
contentLoadingArea.Attr("style", $"min-height: {minHeight}px");
}
contentLoadingArea.Append(placeholderTag);
contentLoadingArea.Append(spinnerTag);
return(contentLoadingArea);
}
protected DivTag BuildDiv()
{
var divTag = new DivTag("imageDiv");
divTag.Attr("title", _toolTip);
divTag.AddClasses(_divCssClasses);
return(divTag);
}
public static ScopedHtmlHelper <T> VisibleWhenChecked <T>(this HtmlHelper <T> helper, Expression <Func <T, bool> > property, bool visible, Action <HtmlTag> mutator = null)
{
var propertyName = property.GetExpressionText();
var name = helper.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(propertyName);
var modelChecked = helper.ViewData.ModelState.ContainsKey(name);
if (!modelChecked)
{
var modelValue = ModelMetadata.FromLambdaExpression(property, helper.ViewData).Model;
modelChecked = modelValue != null && (bool)modelValue;
}
var container = new DivTag().NoClosingTag();
if (visible && !modelChecked || !visible && modelChecked)
{
container.AddClasses("show-hide-hidden");
}
if (visible)
{
container.Attr("data-checkbox-checked-show", name);
}
else
{
container.Attr("data-checkbox-checked-hide", name);
}
if (mutator != null)
{
mutator(container);
}
helper.ViewContext.Writer.Write(container.ToHtmlString());
return(new ScopedHtmlHelper <T>(helper, () =>
{
helper.ViewContext.Writer.Write($"</{container.TagName()}>");
}));
}
public static ScopedHtmlHelper <T> VisibleWhenValue <T>(this HtmlHelper <T> helper, Expression <Func <T, bool?> > property, string value, Action <HtmlTag> mutator = null)
{
var propertyName = property.GetExpressionText();
var name = helper.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(propertyName);
string modelValue = null;
var modelState = helper.ViewData.ModelState;
if (modelState.ContainsKey(name))
{
modelValue = (modelState[name].Value?.AttemptedValue ?? "").ToString();
}
else
{
modelValue = (ModelMetadata.FromLambdaExpression(property, helper.ViewData).Model ?? "").ToString();
}
var container = new DivTag().NoClosingTag();
if (modelValue != value)
{
container.AddClasses("show-hide-hidden");
}
container.Attr("data-radio-show-name", name);
container.Attr("data-radio-show-value", value);
if (mutator != null)
{
mutator(container);
}
helper.ViewContext.Writer.Write(container.ToHtmlString());
return(new ScopedHtmlHelper <T>(helper, () =>
{
helper.ViewContext.Writer.Write($"</{container.TagName()}>");
}));
}
protected override HtmlTag CreateTag()
{
var label = new HtmlTag("label").Attr("for", _id);
if (_mandatory && !_control.HandlesMandatoryInline())
{
label.Append(NewMandatory());
}
label.Append(new HtmlTag("span").Text(_labelText));
var controlTag = _control.GenerateTag(_mandatory);
var inputWrapper = new DivTag().AddClasses("input-wrapper").Append(controlTag);
var formGroup = new DivTag()
.Id(_id + "_FormGroup")
.AddClasses("form-group")
.Append(label)
.Append(inputWrapper);
if (!string.IsNullOrWhiteSpace(_hintHtml))
{
var hint = new HtmlTag("p").AddClasses("help-block").AppendHtml(_hintHtml);
label.Append(hint);
}
if (_controlWidth.HasValue && _controlWidth.Value != ControlWidth.Max)
{
inputWrapper.AddClass("control-width-" + _controlWidth.Value.ToString().ToLower());
}
if (_initiallyHidden)
{
formGroup.AddClasses("initially-hidden");
}
if (!_visible)
{
formGroup.Style("display", "none");
}
if (!string.IsNullOrWhiteSpace(_ajaxOnChangeAction))
{
formGroup.Attr("data-ajax-change", UrlHelper.Content(_ajaxOnChangeAction));
}
return(formGroup);
}
public static HtmlTag ActionAjax(this IHtmlHelper helper, string url, int minHeight, string placeholderText)
{
var placeholderTag = new DivTag();
placeholderTag.Append(new HtmlTag("h6").Text(placeholderText));
var spinnerTag = new DivTag();
spinnerTag.Append(new HtmlTag("i").AddClasses("fa", "fa-spinner", "fa-pulse", "fa-fw"));
var contentLoadingArea = new DivTag().Data("source-url", url).AddClass("load-action-async");
if (minHeight > 0)
{
//adding a minimum height is optional, but can help prevent the page scrollbar from jumping around while content loads
contentLoadingArea.Attr("style", $"min-height: {minHeight}px");
}
contentLoadingArea.Append(placeholderTag);
contentLoadingArea.Append(spinnerTag);
return(contentLoadingArea);
}
public static HtmlTag ActionAjax(this HtmlHelper helper, string actionName, string controllerName, object routeValues, int minHeight = 0, string placeholderText = "")
{
var url = new UrlHelper(helper.ViewContext.RequestContext).Action(actionName, controllerName, routeValues);
var placeholderTag = new DivTag();
placeholderTag.Append(new HtmlTag("h6").Text(placeholderText));
var spinnerTag = new DivTag();
spinnerTag.Append(new HtmlTag("i").AddClasses("fa", "fa-spinner", "fa-pulse", "fa-fw"));
var contentLoadingArea = new DivTag().Data("source-url", url).AddClass("load-action-async");
if (minHeight > 0)
{
//adding a minimum height is optional, but can help prevent the page scrollbar from jumping around while content loads
contentLoadingArea.Attr("style", $"min-height: {minHeight}px");
}
contentLoadingArea.Append(placeholderTag);
contentLoadingArea.Append(spinnerTag);
return(contentLoadingArea);
}