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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:  * Web form adapted for Presenter.
 19:  *
 20:  * @author     David Grudl
 21:  *
 22:  * @property-read Presenter $presenter
 23:  */
 24: class Form extends Nette\Forms\Form implements ISignalReceiver
 25: {
 26: 
 27:     /**
 28:      * Application form constructor.
 29:      */
 30:     public function __construct(Nette\ComponentModel\IContainer $parent = NULL, $name = NULL)
 31:     {
 32:         parent::__construct();
 33:         $this->monitor('Nette\Application\UI\Presenter');
 34:         if ($parent !== NULL) {
 35:             $parent->addComponent($this, $name);
 36:         }
 37:     }
 38: 
 39: 
 40:     /**
 41:      * Returns the presenter where this component belongs to.
 42:      * @param  bool   throw exception if presenter doesn't exist?
 43:      * @return Presenter|NULL
 44:      */
 45:     public function getPresenter($need = TRUE)
 46:     {
 47:         return $this->lookup('Nette\Application\UI\Presenter', $need);
 48:     }
 49: 
 50: 
 51:     /**
 52:      * This method will be called when the component (or component's parent)
 53:      * becomes attached to a monitored object. Do not call this method yourself.
 54:      * @param  Nette\ComponentModel\IComponent
 55:      * @return void
 56:      */
 57:     protected function attached($presenter)
 58:     {
 59:         if ($presenter instanceof Presenter) {
 60:             $name = $this->lookupPath('Nette\Application\UI\Presenter');
 61: 
 62:             if (!isset($this->getElementPrototype()->id)) {
 63:                 $this->getElementPrototype()->id = 'frm-' . $name;
 64:             }
 65: 
 66:             $this->setAction(new Link(
 67:                 $presenter,
 68:                 $name . self::NAME_SEPARATOR . 'submit!',
 69:                 array()
 70:             ));
 71: 
 72:             if (iterator_count($this->getControls()) && $this->isSubmitted()) {
 73:                 foreach ($this->getControls() as $control) {
 74:                     if (!$control->isDisabled()) {
 75:                         $control->loadHttpData();
 76:                     }
 77:                 }
 78:             }
 79:         }
 80:         parent::attached($presenter);
 81:     }
 82: 
 83: 
 84:     /**
 85:      * Tells if the form is anchored.
 86:      * @return bool
 87:      */
 88:     public function isAnchored()
 89:     {
 90:         return (bool) $this->getPresenter(FALSE);
 91:     }
 92: 
 93: 
 94:     /**
 95:      * Internal: returns submitted HTTP data or NULL when form was not submitted.
 96:      * @return array|NULL
 97:      */
 98:     protected function receiveHttpData()
 99:     {
100:         $presenter = $this->getPresenter();
101:         if (!$presenter->isSignalReceiver($this, 'submit')) {
102:             return;
103:         }
104: 
105:         $isPost = $this->getMethod() === self::POST;
106:         $request = $presenter->getRequest();
107:         if ($request->isMethod('forward') || $request->isMethod('post') !== $isPost) {
108:             return;
109:         }
110: 
111:         if ($isPost) {
112:             return Nette\Utils\Arrays::mergeTree($request->getPost(), $request->getFiles());
113:         } else {
114:             return $request->getParameters();
115:         }
116:     }
117: 
118: 
119:     /********************* interface ISignalReceiver ****************d*g**/
120: 
121: 
122:     /**
123:      * This method is called by presenter.
124:      * @param  string
125:      * @return void
126:      */
127:     public function signalReceived($signal)
128:     {
129:         if ($signal === 'submit') {
130:             if (!$this->getPresenter()->getRequest()->hasFlag(Nette\Application\Request::RESTORED)) {
131:                 $this->fireEvents();
132:             }
133:         } else {
134:             $class = get_class($this);
135:             throw new BadSignalException("Missing handler for signal '$signal' in $class.");
136:         }
137:     }
138: 
139: }
140: 
Nette Framework 2.0.12 API API documentation generated by ApiGen 2.8.0