1: <?php
  2: 
  3: /**
  4:  * This file is part of the Nette Framework (https://nette.org)
  5:  * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
  6:  * @package Nette\Application\UI
  7:  */
  8: 
  9: 
 10: 
 11: /**
 12:  * Web form adapted for Presenter.
 13:  *
 14:  * @author     David Grudl
 15:  *
 16:  * @property-read NPresenter $presenter
 17:  * @package Nette\Application\UI
 18:  */
 19: class NAppForm extends NForm implements ISignalReceiver
 20: {
 21: 
 22:     /**
 23:      * Application form constructor.
 24:      */
 25:     public function __construct(IComponentContainer $parent = NULL, $name = NULL)
 26:     {
 27:         parent::__construct();
 28:         $this->monitor('NPresenter');
 29:         if ($parent !== NULL) {
 30:             $parent->addComponent($this, $name);
 31:         }
 32:     }
 33: 
 34: 
 35:     /**
 36:      * Returns the presenter where this component belongs to.
 37:      * @param  bool   throw exception if presenter doesn't exist?
 38:      * @return NPresenter|NULL
 39:      */
 40:     public function getPresenter($need = TRUE)
 41:     {
 42:         return $this->lookup('NPresenter', $need);
 43:     }
 44: 
 45: 
 46:     /**
 47:      * This method will be called when the component (or component's parent)
 48:      * becomes attached to a monitored object. Do not call this method yourself.
 49:      * @param  IComponent
 50:      * @return void
 51:      */
 52:     protected function attached($presenter)
 53:     {
 54:         if ($presenter instanceof NPresenter) {
 55:             $name = $this->lookupPath('NPresenter');
 56: 
 57:             if (!isset($this->getElementPrototype()->id)) {
 58:                 $this->getElementPrototype()->id = 'frm-' . $name;
 59:             }
 60: 
 61:             if (!$this->getAction()) {
 62:                 $this->setAction(new NLink(
 63:                     $presenter,
 64:                     $name . self::NAME_SEPARATOR . 'submit!',
 65:                     array()
 66:                 ));
 67:             }
 68: 
 69:             if (iterator_count($this->getControls()) && $this->isSubmitted()) {
 70:                 foreach ($this->getControls() as $control) {
 71:                     if (!$control->isDisabled()) {
 72:                         $control->loadHttpData();
 73:                     }
 74:                 }
 75:             }
 76:         }
 77:         parent::attached($presenter);
 78:     }
 79: 
 80: 
 81:     /**
 82:      * Tells if the form is anchored.
 83:      * @return bool
 84:      */
 85:     public function isAnchored()
 86:     {
 87:         return (bool) $this->getPresenter(FALSE);
 88:     }
 89: 
 90: 
 91:     /**
 92:      * Internal: returns submitted HTTP data or NULL when form was not submitted.
 93:      * @return array|NULL
 94:      */
 95:     protected function receiveHttpData()
 96:     {
 97:         $presenter = $this->getPresenter();
 98:         if (!$presenter->isSignalReceiver($this, 'submit')) {
 99:             return;
100:         }
101: 
102:         $isPost = $this->getMethod() === self::POST;
103:         $request = $presenter->getRequest();
104:         if ($request->isMethod('forward') || $request->isMethod('post') !== $isPost) {
105:             return;
106:         }
107: 
108:         if ($isPost) {
109:             return NArrays::mergeTree($request->getPost(), $request->getFiles());
110:         } else {
111:             return $request->getParameters();
112:         }
113:     }
114: 
115: 
116:     /********************* interface ISignalReceiver ****************d*g**/
117: 
118: 
119:     /**
120:      * This method is called by presenter.
121:      * @param  string
122:      * @return void
123:      */
124:     public function signalReceived($signal)
125:     {
126:         if ($signal === 'submit') {
127:             if (!$this->getPresenter()->getRequest()->hasFlag(NPresenterRequest::RESTORED)) {
128:                 $this->fireEvents();
129:             }
130:         } else {
131:             $class = get_class($this);
132:             throw new NBadSignalException("Missing handler for signal '$signal' in $class.");
133:         }
134:     }
135: 
136: }
137: