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  1: <?php
  2: 
  3: /**
  4:  * This file is part of the Nette Framework (http://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:  */
 11: 
 12: namespace Nette\Application\UI;
 13: 
 14: use Nette;
 15: 
 16: 
 17: 
 18: /**
 19:  * Web form adapted for Presenter.
 20:  *
 21:  * @author     David Grudl
 22:  *
 23:  * @property-read Presenter $presenter
 24:  */
 25: class Form extends Nette\Forms\Form implements ISignalReceiver
 26: {
 27: 
 28:     /**
 29:      * Application form constructor.
 30:      */
 31:     public function __construct(Nette\ComponentModel\IContainer $parent = NULL, $name = NULL)
 32:     {
 33:         parent::__construct();
 34:         $this->monitor('Nette\Application\UI\Presenter');
 35:         if ($parent !== NULL) {
 36:             $parent->addComponent($this, $name);
 37:         }
 38:     }
 39: 
 40: 
 41: 
 42:     /**
 43:      * Returns the presenter where this component belongs to.
 44:      * @param  bool   throw exception if presenter doesn't exist?
 45:      * @return Presenter|NULL
 46:      */
 47:     public function getPresenter($need = TRUE)
 48:     {
 49:         return $this->lookup('Nette\Application\UI\Presenter', $need);
 50:     }
 51: 
 52: 
 53: 
 54:     /**
 55:      * This method will be called when the component (or component's parent)
 56:      * becomes attached to a monitored object. Do not call this method yourself.
 57:      * @param  Nette\ComponentModel\IComponent
 58:      * @return void
 59:      */
 60:     protected function attached($presenter)
 61:     {
 62:         if ($presenter instanceof Presenter) {
 63:             $name = $this->lookupPath('Nette\Application\UI\Presenter');
 64: 
 65:             if (!isset($this->getElementPrototype()->id)) {
 66:                 $this->getElementPrototype()->id = 'frm-' . $name;
 67:             }
 68: 
 69:             $this->setAction(new Link(
 70:                 $presenter,
 71:                 $name . self::NAME_SEPARATOR . 'submit!',
 72:                 array()
 73:             ));
 74: 
 75:             // fill-in the form with HTTP data
 76:             if ($this->isSubmitted()) {
 77:                 foreach ($this->getControls() as $control) {
 78:                     if (!$control->isDisabled()) {
 79:                         $control->loadHttpData();
 80:                     }
 81:                 }
 82:             }
 83:         }
 84:         parent::attached($presenter);
 85:     }
 86: 
 87: 
 88: 
 89:     /**
 90:      * Tells if the form is anchored.
 91:      * @return bool
 92:      */
 93:     public function isAnchored()
 94:     {
 95:         return (bool) $this->getPresenter(FALSE);
 96:     }
 97: 
 98: 
 99: 
100:     /**
101:      * Internal: receives submitted HTTP data.
102:      * @return array
103:      */
104:     protected function receiveHttpData()
105:     {
106:         $presenter = $this->getPresenter();
107:         if (!$presenter->isSignalReceiver($this, 'submit')) {
108:             return;
109:         }
110: 
111:         $isPost = $this->getMethod() === self::POST;
112:         $request = $presenter->getRequest();
113:         if ($request->isMethod('forward') || $request->isMethod('post') !== $isPost) {
114:             return;
115:         }
116: 
117:         if ($isPost) {
118:             return Nette\Utils\Arrays::mergeTree($request->getPost(), $request->getFiles());
119:         } else {
120:             return $request->getParameters();
121:         }
122:     }
123: 
124: 
125: 
126:     /********************* interface ISignalReceiver ****************d*g**/
127: 
128: 
129: 
130:     /**
131:      * This method is called by presenter.
132:      * @param  string
133:      * @return void
134:      */
135:     public function signalReceived($signal)
136:     {
137:         if ($signal === 'submit') {
138:             if (!$this->getPresenter()->getRequest()->hasFlag(Nette\Application\Request::RESTORED)) {
139:                 $this->fireEvents();
140:             }
141:         } else {
142:             $class = get_class($this);
143:             throw new BadSignalException("Missing handler for signal '$signal' in $class.");
144:         }
145:     }
146: 
147: }
148: 
Nette Framework 2.0.6 API API documentation generated by ApiGen 2.7.0