/// <summary>
/// Renders a Bootstrap text area.
/// </summary>
/// <param name="htmlHelper">The <see cref="T:Microsoft.AspNetCore.Mvc.Rendering.IHtmlHelper" /> instance this method extends.</param>
/// <param name="expression">Expression name, relative to the current model.</param>
/// <param name="value">If non-<c>null</c>, value to include in the element.</param>
/// <param name="htmlAttributes">
/// An <see cref="T:System.Object" /> that contains the HTML attributes for the element. Alternatively, an
/// <see cref="T:System.Collections.Generic.IDictionary`2" /> instance containing the HTML
/// attributes.
/// </param>
/// <param name="rows">Number of rows in the text area.</param>
/// <param name="configAction">Action that implements text area configuration.</param>
/// <returns>Text area html markup.</returns>
/// <remarks>
/// <para>
/// Combines <see cref="P:Microsoft.AspNetCore.Mvc.ViewFeatures.TemplateInfo.HtmlFieldPrefix" /> and <paramref name="expression" /> to set
/// <textarea> element's "name" attribute. Sanitizes <paramref name="expression" /> to set element's "id"
/// attribute.
/// </para>
/// <para>Determines <textarea> element's content based on the following precedence:</para>
/// <list type="number">
/// <item>
/// <see cref="T:Microsoft.AspNetCore.Mvc.ModelBinding.ModelStateDictionary" /> entry for <paramref name="expression" /> (converted to a
/// fully-qualified name) if entry exists and can be converted to a <see cref="T:System.String" />.
/// </item>
/// <item><paramref name="value" /> if non-<c>null</c>.</item>
/// <item>
/// <see cref="T:Microsoft.AspNetCore.Mvc.ViewFeatures.ViewDataDictionary" /> entry for <paramref name="expression" /> (converted to a
/// fully-qualified name) if entry exists and can be converted to a <see cref="T:System.String" />.
/// </item>
/// <item>
/// Linq expression based on <paramref name="expression" /> (converted to a fully-qualified name) run against
/// current model if result is non-<c>null</c> and can be converted to a <see cref="T:System.String" />. For example
/// <c>string.Empty</c> identifies the current model and <c>"prop"</c> identifies the current model's "prop"
/// property.
/// </item>
/// <item>Otherwise, <c>string.Empty</c>.</item>
/// </list>
/// </remarks>
public static IHtmlContent MvcCoreBootstrapTextArea(this IHtmlHelper htmlHelper, string expression, string value,
object htmlAttributes, int rows = 3, Action <MvcCoreBootstrapTextAreaBuilder> configAction = null)
{
TextAreaConfig config = new TextAreaConfig {
Rows = rows
};
return(htmlHelper.Control(configAction, new MvcCoreBootstrapTextAreaBuilder(config),
new TextAreaRenderer(config, new TooltipRenderer()), config, htmlHelper.TextArea(expression, value, htmlAttributes)));
}
/// <summary>
/// Renders a Bootstrap text area.
/// </summary>
/// <param name="htmlHelper">Html helper instance.</param>
/// <param name="expression">Model property expression.</param>
/// <param name="htmlAttributes">
/// An <see cref="T:System.Object" /> that contains the HTML attributes for the element. Alternatively, an
/// <see cref="T:System.Collections.Generic.IDictionary`2" /> instance containing the HTML
/// attributes.
/// </param>
/// <param name="rows">Number of rows in the text area.</param>
/// <param name="configAction">Action that implements text area configuration.</param>
/// <returns>Text area html markup.</returns>
public static IHtmlContent MvcCoreBootstrapTextAreaFor <TModel, TResult>(this IHtmlHelper <TModel> htmlHelper,
Expression <Func <TModel, TResult> > expression, object htmlAttributes, int rows = 3,
Action <MvcCoreBootstrapTextAreaBuilder> configAction = null)
{
TextAreaConfig config = new TextAreaConfig {
HtmlAttributes = htmlAttributes, Rows = rows
};
return(htmlHelper.ControlFor(expression, configAction, new MvcCoreBootstrapTextAreaBuilder(config),
new TextAreaRenderer(config, new TooltipRenderer()), config));
}
internal MvcCoreBootstrapTextAreaBuilder(TextAreaConfig config)
{
_config = config;
}
public TextAreaRenderer(TextAreaConfig config, ITooltipRenderer tooltipRenderer)
: base(config, tooltipRenderer)
{
_config = config;
}
public ReactiveTextAreaConfig(TextAreaConfig parent, Action action)
{
_parent = parent;
_action = action;
}
