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Current File : /data/web/virtuals/51568/virtual/www/subdom/srps/src/form/CheckboxgroupField.php

<?php

namespace app\form;
use app\Model;
use app\Application;

class CheckboxgroupField
{
    public $model;
    public $attribute;
    /*
        [['label' => '...', 'value' => '...'], ... ]
    */
    public $checkboxes = [];
    public $values = [];

    public function __construct(Model $model, string $attribute, array $checkboxes, array $values)
    {
        $this->model = $model;
        $this->attribute = $attribute;
        $this->checkboxes = $checkboxes; 
        $this->values = $values;
    } 

    public function __toString(): string
    {
        $hasError = $this->model->hasError($this->attribute) ? 'is-invalid' : '';
        $redColor = $this->model->hasError($this->attribute) ? 'text-danger' : '';
        if (Application::$app->request->getMethod() === 'post')
        {
            $this->values = $this->model->{$this->attribute};
        }        
        $cbgroup = '';
        foreach($this->checkboxes as $checkbox)
        {
            $checked = in_array($checkbox['value'], $this->values);
            $cbgroup .= sprintf('
            <div id="field-%s" class="form-check">
            <input id="%s" class="form-check-input %s"  type="checkbox" name="%s[]" value="%s" %s>
            <label class="form-label %s" for="%s">%s</label>
            </div>            
            ',
                $this->attribute . '-' . $checkbox['value'],
                $this->attribute . '-' . $checkbox['value'],
                $hasError,
                $this->attribute,
                $checkbox['value'],
                $checked ? 'checked' : '',
                $redColor,
                $this->attribute . '-' . $checkbox['value'],
                $checkbox['label']
            );
        }
        $invalidFeedback = sprintf('
                <div id="invalid-cbgroup-%s" class="text-danger small">%s</div>
                ', 
            $this->attribute, 
            $this->model->getFirstError($this->attribute));  
            return 
                $cbgroup . 
                '<div>' .
                $invalidFeedback .
                '</div>';
    }
}