Class FieldGeneratorHandler<TModel, T>

Base class that contains common logic for implementing field generator handlers.

Inheritance
System.Object
FieldGeneratorHandler<TModel, T>
BooleanHandler<TModel, T>
DateTimeHandler<TModel, T>
DefaultHandler<TModel, T>
EnumListHandler<TModel, T>
FileHandler<TModel, T>
ListHandler<TModel, T>
NumberHandler<TModel, T>
PasswordHandler<TModel, T>
TextAreaHandler<TModel, T>
Implements
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace: ChameleonForms.FieldGenerators.Handlers
Assembly: ChameleonForms.dll
Syntax
public abstract class FieldGeneratorHandler<TModel, T> : IFieldGeneratorHandler<TModel, T>
Type Parameters
Name Description
TModel

The type of the model the form is being output for
T

The type of the property in the model that the specific field is being output for

Constructors

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FieldGeneratorHandler(IFieldGenerator<TModel, T>)

Create a field generator handler.

Declaration
protected FieldGeneratorHandler(IFieldGenerator<TModel, T> fieldGenerator)
Parameters
Type Name Description
IFieldGenerator<TModel, T> fieldGenerator

The field generator to use

Fields

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FieldGenerator

The field generator for the current field.

Declaration
protected readonly IFieldGenerator<TModel, T> FieldGenerator
Field Value
Type Description
IFieldGenerator<TModel, T>

Methods

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AdjustHtmlForModelState(HtmlAttributes)

Adjust the HTML attributes of a field based on the state of the model for that field. e.g. add validation attributes and error attributes.

Declaration
protected void AdjustHtmlForModelState(HtmlAttributes attrs)
Parameters
Type Name Description
HtmlAttributes attrs

The attributes to modify
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CanHandle()

Whether or not the current field can be output using this field generator handler.

Declaration
public abstract bool CanHandle()
Returns
Type Description
System.Boolean
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GenerateFieldHtml(IReadonlyFieldConfiguration)

Generate the HTML for the current field's Field Element using this handler.

Declaration
public abstract IHtmlContent GenerateFieldHtml(IReadonlyFieldConfiguration fieldConfiguration)
Parameters
Type Name Description
IReadonlyFieldConfiguration fieldConfiguration

The field configuration to use to generate the HTML
Returns
Type Description
Microsoft.AspNetCore.Html.IHtmlContent

The HTML for the Field Element
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GetDisplayType(IReadonlyFieldConfiguration)

The type of control the field will be displayed as.

Declaration
public abstract FieldDisplayType GetDisplayType(IReadonlyFieldConfiguration fieldConfiguration)
Parameters
Type Name Description
IReadonlyFieldConfiguration fieldConfiguration

The configuration for the field
Returns
Type Description
FieldDisplayType

The display type of the field control
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GetFieldName()

The value to use for the full HTML name of the field.

Declaration
protected string GetFieldName()
Returns
Type Description
System.String

The full HTML name of the field
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GetInputHtml(TextInputType, IReadonlyFieldConfiguration)

Returns HTML for an <input> HTML element.

Declaration
protected IHtmlContent GetInputHtml(TextInputType inputType, IReadonlyFieldConfiguration fieldConfiguration)
Parameters
Type Name Description
TextInputType inputType

The type of input to produce
IReadonlyFieldConfiguration fieldConfiguration

The field configuration to use for attributes and format string
Returns
Type Description
Microsoft.AspNetCore.Html.IHtmlContent

The HTML of the input element
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GetSelectListHtml(IEnumerable<SelectListItem>, IReadonlyFieldConfiguration)

Returns the HTML of a <select> list element. Automatically adds an empty item where appropriate.

Declaration
protected IHtmlContent GetSelectListHtml(IEnumerable<SelectListItem> selectList, IReadonlyFieldConfiguration fieldConfiguration)
Parameters
Type Name Description
System.Collections.Generic.IEnumerable<Microsoft.AspNetCore.Mvc.Rendering.SelectListItem> selectList

The list of items to choose from in the select list
IReadonlyFieldConfiguration fieldConfiguration

The field configuration to use for attributes and empty item configuration
Returns
Type Description
Microsoft.AspNetCore.Html.IHtmlContent
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PrepareFieldConfiguration(IFieldConfiguration)

Modify the field configuration for the field using this field generator handler.

Declaration
public virtual void PrepareFieldConfiguration(IFieldConfiguration fieldConfiguration)
Parameters
Type Name Description
IFieldConfiguration fieldConfiguration

The field configuration to modify

Implements

Extension Methods