1: <?php
  2: 
  3: /**
  4:  * This file is part of the Nette Framework (https://nette.org)
  5:  * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
  6:  */
  7: 
  8: namespace Nette\Forms\Controls;
  9: 
 10: use Nette;
 11: use Nette\Http\FileUpload;
 12: 
 13: 
 14: /**
 15:  * Text box and browse button that allow users to select a file to upload to the server.
 16:  */
 17: class UploadControl extends BaseControl
 18: {
 19: 
 20:     /**
 21:      * @param  string  label
 22:      * @param  bool  allows to upload multiple files
 23:      */
 24:     public function __construct($label = NULL, $multiple = FALSE)
 25:     {
 26:         parent::__construct($label);
 27:         $this->control->type = 'file';
 28:         $this->control->multiple = (bool) $multiple;
 29:     }
 30: 
 31: 
 32:     /**
 33:      * This method will be called when the component (or component's parent)
 34:      * becomes attached to a monitored object. Do not call this method yourself.
 35:      * @param  Nette\ComponentModel\IComponent
 36:      * @return void
 37:      */
 38:     protected function attached($form)
 39:     {
 40:         if ($form instanceof Nette\Forms\Form) {
 41:             if ($form->getMethod() !== Nette\Forms\Form::POST) {
 42:                 throw new Nette\InvalidStateException('File upload requires method POST.');
 43:             }
 44:             $form->getElementPrototype()->enctype = 'multipart/form-data';
 45:         }
 46:         parent::attached($form);
 47:     }
 48: 
 49: 
 50:     /**
 51:      * Loads HTTP data.
 52:      * @return void
 53:      */
 54:     public function loadHttpData()
 55:     {
 56:         $this->value = $this->getHttpData(Nette\Forms\Form::DATA_FILE);
 57:         if ($this->value === NULL) {
 58:             $this->value = new FileUpload(NULL);
 59:         }
 60:     }
 61: 
 62: 
 63:     /**
 64:      * Returns HTML name of control.
 65:      * @return string
 66:      */
 67:     public function getHtmlName()
 68:     {
 69:         return parent::getHtmlName() . ($this->control->multiple ? '[]' : '');
 70:     }
 71: 
 72: 
 73:     /**
 74:      * @return static
 75:      * @internal
 76:      */
 77:     public function setValue($value)
 78:     {
 79:         return $this;
 80:     }
 81: 
 82: 
 83:     /**
 84:      * Has been any file uploaded?
 85:      * @return bool
 86:      */
 87:     public function isFilled()
 88:     {
 89:         return $this->value instanceof FileUpload ? $this->value->isOk() : (bool) $this->value; // ignore NULL object
 90:     }
 91: 
 92: 
 93:     /**
 94:      * Have been all files succesfully uploaded?
 95:      * @return bool
 96:      */
 97:     public function isOk()
 98:     {
 99:         return $this->value instanceof FileUpload
100:             ? $this->value->isOk()
101:             : $this->value && array_reduce($this->value, function ($carry, $fileUpload) {
102:                 return $carry && $fileUpload->isOk();
103:             }, TRUE);
104:     }
105: 
106: }
107: