Class FileWidget

Input widget class for generating a file upload control.

This class is usually used internally by Cake\View\Helper\FormHelper, it but can be used to generate standalone file upload controls.

Namespace: Cake\View\Widget

Properties summary

  • $_templates protected
    \Cake\View\StringTemplate

    StringTemplate instance.

  • $defaults protected
    array

    Data defaults.

Method Summary

  • __construct() public

    Constructor.

  • mergeDefaults() protected

    Merge default values with supplied data.

  • render() public

    Render a file upload form widget.

  • secureFields() public

    Returns a list of fields that need to be secured for this widget.

  • setMaxLength() protected

    Set value for "maxlength" attribute if applicable.

  • setRequired() protected

    Set value for "required" attribute if applicable.

  • setStep() protected

    Set value for "step" attribute if applicable.

Method Detail

__construct() public 

__construct(\Cake\View\StringTemplate $templates)

Constructor.

Parameters

\Cake\View\StringTemplate $templates

Templates list.

mergeDefaults() protected 

mergeDefaults(array $data, \Cake\View\Form\ContextInterface $context)

Merge default values with supplied data.

Parameters

array $data

Data array

\Cake\View\Form\ContextInterface $context

Context instance.

Returns

array

Updated data array.

render() public 

render(array $data, \Cake\View\Form\ContextInterface $context)

Render a file upload form widget.

Data supports the following keys:

  • name - Set the input name.
  • escape - Set to false to disable HTML escaping.

All other keys will be converted into HTML attributes. Unlike other input objects the val property will be specifically ignored.

Parameters

array $data

The data to build a file input with.

\Cake\View\Form\ContextInterface $context

The current form context.

Returns

string

HTML elements.

secureFields() public 

secureFields(array $data)

Returns a list of fields that need to be secured for this widget.

Parameters

array $data

The data to render.

Returns

string[]

Array of fields to secure.

setMaxLength() protected 

setMaxLength(array $data, \Cake\View\Form\ContextInterface $context, string $fieldName)

Set value for "maxlength" attribute if applicable.

Parameters

array $data

Data array

\Cake\View\Form\ContextInterface $context

Context instance.

string $fieldName

Field name.

Returns

array

Updated data array.

setRequired() protected 

setRequired(array $data, \Cake\View\Form\ContextInterface $context, string $fieldName)

Set value for "required" attribute if applicable.

Parameters

array $data

Data array

\Cake\View\Form\ContextInterface $context

Context instance.

string $fieldName

Field name.

Returns

array

Updated data array.

setStep() protected 

setStep(array $data, \Cake\View\Form\ContextInterface $context, string $fieldName)

Set value for "step" attribute if applicable.

Parameters

array $data

Data array

\Cake\View\Form\ContextInterface $context

Context instance.

string $fieldName

Field name.

Returns

array

Updated data array.

Property Detail

$_templates protected

StringTemplate instance.

Type

\Cake\View\StringTemplate

$defaults protected

Data defaults.

Type

array

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https://api.cakephp.org/4.0/class-Cake.View.Widget.FileWidget.html