'horizontal'])
*
* // Form field without label
* echo $form->field($model, 'demo', [
* 'inputOptions' => [
* 'placeholder' => $model->getAttributeLabel('demo'),
* ],
* ])->label(false);
*
* // Inline radio list
* echo $form->field($model, 'demo')->inline()->radioList($items);
*
* // Control sizing in horizontal mode
* echo $form->field($model, 'demo', [
* 'horizontalCssClasses' => [
* 'wrapper' => 'col-sm-2',
* ]
* ]);
*
* // With standard layout you would use 'template' to size a specific field:
* // echo $form->field($model, 'demo', [
* // 'template' => '{label} '
* // ]);
*
* // Input group
* echo $form->field($model, 'demo', [
* 'inputTemplate' => '@{input}
',
* ]);
*
* ActiveForm::end();
* ```
*
* @see \yii\bootstrap\ActiveForm
* @see http://getbootstrap.com/css/#forms
*
* @author Michael Härtl
* @since 2.0
*/
class ActiveField extends \yii\widgets\ActiveField
{
/**
* @var bool whether to render [[checkboxList()]] and [[radioList()]] inline. Default is `false`.
*/
public $inline = false;
/**
* @var string|null optional template to render the `{input}` placheolder content
*/
public $inputTemplate;
/**
* @var array options for the wrapper tag, used in the `{beginWrapper}` placeholder
*/
public $wrapperOptions = [];
/**
* @var null|array CSS grid classes for horizontal layout. This must be an array with these keys:
* - 'offset' the offset grid class to append to the wrapper if no label is rendered
* - 'label' the label grid class
* - 'wrapper' the wrapper grid class
* - 'error' the error grid class
* - 'hint' the hint grid class
*/
public $horizontalCssClasses;
/**
* @var bool whether to render the error. Default is `true` except for layout `inline`.
*/
public $enableError = true;
/**
* @var bool whether to render the label. Default is `true`.
*/
public $enableLabel = true;
/**
* @inheritDoc
*/
public function __construct($config = [])
{
$layoutConfig = $this->createLayoutConfig($config);
$config = ArrayHelper::merge($layoutConfig, $config);
return parent::__construct($config);
}
/**
* @inheritDoc
*/
public function render($content = null)
{
if ($content === null) {
if (!isset($this->parts['{beginWrapper}'])) {
$options = $this->wrapperOptions;
$tag = ArrayHelper::remove($options, 'tag', 'div');
$this->parts['{beginWrapper}'] = Html::beginTag($tag, $options);
$this->parts['{endWrapper}'] = Html::endTag($tag);
}
if ($this->enableLabel===false) {
$this->parts['{label}'] = '';
$this->parts['{beginLabel}'] = '';
$this->parts['{labelTitle}'] = '';
$this->parts['{endLabel}'] = '';
} elseif (!isset($this->parts['{beginLabel}'])) {
$this->renderLabelParts();
}
if ($this->enableError===false) {
$this->parts['{error}'] = '';
}
if ($this->inputTemplate) {
$input = isset($this->parts['{input}']) ?
$this->parts['{input}'] : Html::activeTextInput($this->model, $this->attribute, $this->inputOptions);
$this->parts['{input}'] = strtr($this->inputTemplate, ['{input}' => $input]);
}
}
return parent::render($content);
}
/**
* @inheritDoc
*/
public function checkbox($options = [], $enclosedByLabel = true)
{
if ($enclosedByLabel) {
if (!isset($options['template'])) {
if ($this->form->layout==='horizontal') {
$this->template = "{beginWrapper}\n\n{beginLabel}\n{input}\n{labelTitle}\n{endLabel}\n
\n{error}\n{endWrapper}\n{hint}";
Html::addCssClass($this->wrapperOptions, $this->horizontalCssClasses['offset']);
} else {
$this->template = "\n{beginLabel}\n{input}\n{labelTitle}\n{endLabel}\n{error}\n{hint}\n
";
}
}
$this->labelOptions['class'] = null;
}
parent::checkbox($options, false);
return $this;
}
/**
* @inheritDoc
*/
public function checkboxList($items, $options = [])
{
if ($this->inline) {
if (!isset($options['template'])) {
$this->template = "{label}\n{beginWrapper}\n{input}\n{error}\n{endWrapper}\n{hint}";
}
if (!isset($options['itemOptions'])) {
$options['itemOptions'] = [
'container' => false,
'labelOptions' => ['class' => 'checkbox-inline'],
];
}
}
parent::checkboxList($items, $options);
return $this;
}
/**
* @inheritDoc
*/
public function radioList($items, $options = [])
{
if ($this->inline) {
if (!isset($options['template'])) {
$this->template = "{label}\n{beginWrapper}\n{input}\n{error}\n{endWrapper}\n{hint}";
}
if (!isset($options['itemOptions'])) {
$options['itemOptions'] = [
'container' => false,
'labelOptions' => ['class' => 'radio-inline'],
];
}
}
parent::radioList($items, $options);
return $this;
}
/**
* @inheritDoc
*/
public function label($label = null, $options = [])
{
if (is_bool($label)) {
$this->enableLabel = $label;
if ($label===false && $this->form->layout==='horizontal') {
Html::addCssClass($this->wrapperOptions, $this->horizontalCssClasses['offset']);
}
} else {
$this->renderLabelParts($label, $options);
parent::label($label, $options);
}
return $this;
}
/**
* @param bool $value whether to render a inline list
* @return static the field object itself
* Make sure you call this method before [[checkboxList()]] or [[radioList()]] to have any effect.
*/
public function inline($value = true)
{
$this->inline = (bool)$value;
return $this;
}
/**
* @param array $instanceConfig the configuration passed to this instance's constructor
* @return array the layout specific default configuration for this instance
*/
protected function createLayoutConfig($instanceConfig)
{
$config = [
'hintOptions' => [
'tag' => 'p',
'class' => 'help-block',
],
'errorOptions' => [
'tag' => 'p',
'class' => 'help-block',
],
'inputOptions' => [
'class' => 'form-control',
],
];
$layout = $instanceConfig['form']->layout;
if ($layout==='horizontal') {
$config['template'] = "{label}\n{beginWrapper}\n{input}\n{error}\n{endWrapper}\n{hint}";
$cssClasses = [
'offset' => 'col-sm-offset-3',
'label' => 'col-sm-3',
'wrapper' => 'col-sm-6',
'error' => '',
'hint' => 'col-sm-3',
];
if (isset($instanceConfig['horizontalCssClasses'])) {
$cssClasses = ArrayHelper::merge($cssClasses, $instanceConfig['horizontalCssClasses']);
}
$config['horizontalCssClasses'] = $cssClasses;
$config['wrapperOptions'] = ['class' => $cssClasses['wrapper']];
$config['labelOptions'] = ['class' => 'control-label '.$cssClasses['label']];
$config['errorOptions'] = ['class' => 'help-block '.$cssClasses['error']];
$config['hintOptions'] = ['class' => 'help-block '.$cssClasses['hint'] ];
} elseif ($layout==='inline') {
$config['labelOptions'] = ['class' => 'sr-only'];
$config['enableError'] = false;
}
return $config;
}
/**
* @param string|null $label the label or null to use model label
* @param array $options the tag options
*/
protected function renderLabelParts($label = null, $options = [])
{
$options = array_merge($this->labelOptions, $options);
if ($label===null) {
if (isset($options['label'])) {
$label = $options['label'];
unset($options['label']);
} else {
$attribute = Html::getAttributeName($this->attribute);
$label = $this->model->getAttributeLabel($attribute);
}
}
$this->parts['{beginLabel}'] = Html::beginTag('label', $options);
$this->parts['{endLabel}'] = Html::endTag('label');
$this->parts['{labelTitle}'] = Html::encode($label);
}
}