1: <?php
  2: 
  3: /**
  4:  * Picon Framework
  5:  * http://code.google.com/p/picon-framework/
  6:  *
  7:  * Copyright (C) 2011-2012 Martin Cassidy <martin.cassidy@webquub.com>
  8: 
  9:  * Picon Framework is free software: you can redistribute it and/or modify
 10:  * it under the terms of the GNU General Public License as published by
 11:  * the Free Software Foundation, either version 3 of the License, or
 12:  * (at your option) any later version.
 13: 
 14:  * Picon Framework is distributed in the hope that it will be useful,
 15:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 16:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 17:  *  General Public License for more details.
 18: 
 19:  * You should have received a copy of the GNU General Public License
 20:  * along with Picon Framework.  If not, see <http://www.gnu.org/licenses/>.
 21:  * */
 22: 
 23: namespace picon;
 24: 
 25: /**
 26:  * A checkbox for use inside a check group
 27:  * 
 28:  * @see CheckGroup
 29:  * @author Martin Cassidy
 30:  * @package web/markup/html/form
 31:  */
 32: class Check extends LabeledMarkupContainer
 33: {
 34:     private $group;
 35:     
 36:     public function getLabel()
 37:     {
 38:         return $this->getModelObjectAsString();
 39:     }
 40:     
 41:     private function getGroup()
 42:     {
 43:         if($this->group!=null)
 44:         {
 45:             return $this->group;
 46:         }
 47:         
 48:         $group = null;
 49:         
 50:         $callback = function(Component &$component) use (&$group)
 51:         {
 52:             $group = $component;
 53:             return Component::VISITOR_STOP_TRAVERSAL;
 54:         };
 55:         $this->visitParents(CheckBoxGroup::getIdentifier(), $callback);
 56:         
 57:         $this->group = $group;
 58:         
 59:         if($group==null)
 60:         {
 61:             throw new \RuntimeException('A check must be a child of CheckBoxGroup');
 62:         }
 63:         
 64:         return $group;
 65:     }
 66:     
 67:     public function getValue()
 68:     {
 69:         return $this->getComponentPath();
 70:     }
 71:     
 72:     public function getName()
 73:     {
 74:         $group = $this->getGroup();
 75:         return $group->getName().'[]';
 76:     }
 77:     
 78:     protected function isSelected($value)
 79:     {
 80:         $group = $this->getGroup();
 81:         if(count($group->getRawInputArray())==0)
 82:         {
 83:             if($group->isEmptyInput())
 84:             {
 85:                 return false;
 86:             }
 87:             else
 88:             {
 89:                 return in_array($this->getModelObject(), $group->getModelObject());
 90:             }
 91:         }
 92:         else
 93:         {
 94:             return in_array($value, $group->getRawInputArray());
 95:         }
 96:     }
 97:     
 98:     protected function onComponentTag(ComponentTag $tag)
 99:     {
100:         parent::onComponentTag($tag); 
101:         $this->checkComponentTag($tag, 'input');
102:         $this->checkComponentTagAttribute($tag, 'type', 'checkbox');
103:         $tag->put('value', $this->getValue());
104:         $tag->put('name', $this->getName());
105:         
106:         $tag->remove('checked');
107:         if($this->isSelected($this->getValue()))
108:         {
109:             $tag->put('checked', 'checked');
110:         }
111:     }
112: }
113: ?>
114: