1: <?php
  2: 
  3: /**
  4:  * This file is part of the Nette Framework (https://nette.org)
  5:  *
  6:  * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
  7:  *
  8:  * For the full copyright and license information, please view
  9:  * the file license.txt that was distributed with this source code.
 10:  * @package Nette\Application
 11:  */
 12: 
 13: 
 14: 
 15: /**
 16:  * Web form as presenter component.
 17:  *
 18:  * @author     David Grudl
 19:  *
 20:  * @property-read NPresenter $presenter
 21:  * @package Nette\Application
 22:  */
 23: class NAppForm extends NForm implements ISignalReceiver
 24: {
 25: 
 26:     /**
 27:      * Application form constructor.
 28:      */
 29:     public function __construct(IComponentContainer $parent = NULL, $name = NULL)
 30:     {
 31:         parent::__construct();
 32:         $this->monitor('NPresenter');
 33:         if ($parent !== NULL) {
 34:             $parent->addComponent($this, $name);
 35:         }
 36:     }
 37: 
 38: 
 39: 
 40:     /**
 41:      * Returns the presenter where this component belongs to.
 42:      * @param  bool   throw exception if presenter doesn't exist?
 43:      * @return NPresenter|NULL
 44:      */
 45:     public function getPresenter($need = TRUE)
 46:     {
 47:         return $this->lookup('NPresenter', $need);
 48:     }
 49: 
 50: 
 51: 
 52:     /**
 53:      * This method will be called when the component (or component's parent)
 54:      * becomes attached to a monitored object. Do not call this method yourself.
 55:      * @param  IComponent
 56:      * @return void
 57:      */
 58:     protected function attached($presenter)
 59:     {
 60:         if ($presenter instanceof NPresenter) {
 61:             $name = $this->lookupPath('NPresenter');
 62: 
 63:             if (!isset($this->getElementPrototype()->id)) {
 64:                 $this->getElementPrototype()->id = 'frm-' . $name;
 65:             }
 66: 
 67:             $this->setAction(new NLink(
 68:                 $presenter,
 69:                 $name . self::NAME_SEPARATOR . 'submit!',
 70:                 array()
 71:             ));
 72: 
 73:             // fill-in the form with HTTP data
 74:             if ($this->isSubmitted()) {
 75:                 foreach ($this->getControls() as $control) {
 76:                     $control->loadHttpData();
 77:                 }
 78:             }
 79:         }
 80:         parent::attached($presenter);
 81:     }
 82: 
 83: 
 84: 
 85:     /**
 86:      * Tells if the form is anchored.
 87:      * @return bool
 88:      */
 89:     public function isAnchored()
 90:     {
 91:         return (bool) $this->getPresenter(FALSE);
 92:     }
 93: 
 94: 
 95: 
 96:     /**
 97:      * Internal: receives submitted HTTP data.
 98:      * @return array
 99:      */
100:     protected function receiveHttpData()
101:     {
102:         $presenter = $this->getPresenter();
103:         if (!$presenter->isSignalReceiver($this, 'submit')) {
104:             return;
105:         }
106: 
107:         $isPost = $this->getMethod() === self::POST;
108:         $request = $presenter->getRequest();
109:         if ($request->isMethod('forward') || $request->isMethod('post') !== $isPost) {
110:             return;
111:         }
112: 
113:         if ($isPost) {
114:             return NArrayTools::mergeTree($request->getPost(), $request->getFiles());
115:         } else {
116:             return $request->getParams();
117:         }
118:     }
119: 
120: 
121: 
122:     /********************* interface ISignalReceiver ****************d*g**/
123: 
124: 
125: 
126:     /**
127:      * This method is called by presenter.
128:      * @param  string
129:      * @return void
130:      */
131:     public function signalReceived($signal)
132:     {
133:         if ($signal === 'submit') {
134:             $this->fireEvents();
135: 
136:         } else {
137:             throw new NBadSignalException("There is no handler for signal '$signal' in {$this->reflection->name}.");
138:         }
139:     }
140: 
141: }
142: