1: <?php
  2: 
  3: App::uses('AppHelper', 'View/Helper');
  4: 
  5: class ContextHelper extends AppHelper {
  6: 
  7:     public $helpers = array(
  8:         'ExtendedScaffold.ExtendedForm',
  9:         'Widgets.ActionList' => array(
 10:             'beforeAll' => '<div class="ContextMenu"><ul>',
 11:             'afterAll' => '</ul></div>',
 12:             'beforeEach' => '<li>',
 13:             'afterEach' => '</li>',
 14:         ),
 15:     );
 16: 
 17:     public function menu($modules) {
 18:         if (array_key_exists($this->params['controller'], $modules)) {
 19:             return $this->ActionList->actionList($this->_actions($modules));
 20:         } else {
 21:             return '';
 22:         }
 23:     }
 24: 
 25:     public function selector() {
 26:         if (array_key_exists('contextObjectsList', $this->_View->viewVars)) {
 27:             if (count($this->_View->viewVars['contextObjectsList']) > 1) {
 28:                 $id = $this->ExtendedForm->createNewDomId();
 29:                 return $this->_selectorInput($id)
 30:                         . $this->_selectorOnChangeEvent($id);
 31:             }
 32:         }
 33: 
 34:         return '';
 35:     }
 36: 
 37:     private function _selectorInput($inputId) {
 38:         return $this->ExtendedForm->select(
 39:                         'my_store'
 40:                         , $this->_View->viewVars['contextObjectsList']
 41:                         , array(
 42:                     'class' => 'ContextSelector'
 43:                     , 'empty' => false
 44:                     , 'id' => $inputId
 45:                     , 'value' => $this->_View->viewVars['contextCurrentId']
 46:                         )
 47:         );
 48:     }
 49: 
 50:     private function _selectorOnChangeEvent($inputId) {
 51:         $b = <<<EOT
 52: <script type='text/javascript' >
 53:                 
 54: $('#$inputId').change(function(){
 55:     var urls = {};
 56: 
 57: EOT;
 58:         foreach (array_keys($this->_View->viewVars['contextObjectsList']) as $contextId) {
 59:             $b .= "urls[$contextId] = '{$this->_selectorContextUrl($contextId)}';\n";
 60:         }
 61:         $b .= <<<EOT
 62:     window.location = urls[$(this).val()];
 63: 
 64: });
 65:                        
 66: </script>
 67: EOT;
 68:         return $b;
 69:     }
 70: 
 71:     private function _selectorContextUrl($contextId) {
 72:         $url = Router::parse($this->request->url);
 73:         $url['named']['changeContextId'] = $contextId;
 74:         $url = array_merge($url['named'], $url['pass'], $url);
 75:         unset($url['named']);
 76:         unset($url['pass']);
 77:         return Router::url($url);
 78:     }
 79: 
 80:     private function _actions($modules) {
 81:         $actions = array();
 82:         foreach ($modules as $controller => $actionData) {
 83:             $actions[] = array(
 84:                 'url' => $this->_moduleActionUrl($controller, $actionData),
 85:                 'caption' => $this->_moduleActionCaption($actionData),
 86:                 'linkOptions' => $this->_moduleActionLinkOptions($controller, $actionData),
 87:             );
 88:         }
 89:         return $actions;
 90:     }
 91: 
 92:     private function _moduleActionUrl($controller, $actionData) {
 93:         if (empty($this->_View->viewVars['contextCurrentId'])) {
 94:             throw new Exception('Variável $contextCurrentId não foi setada');
 95:         }
 96:         $url = empty($actionData['url']) ? "/{$controller}/index" : $actionData['url'];
 97:         return $this->_getContext()->buildUrl(
 98:                         $url, $this->_View->viewVars['contextCurrentId']);
 99:     }
100: 
101:     /**
102:      * 
103:      * @return Context
104:      */
105:     private function _getContext() {
106:         return Contexts::getContext($this->_View->viewVars['contextId']);
107:     }
108: 
109:     private function _moduleActionCaption($actionData) {
110:         return empty($actionData['url']) ? $actionData : $actionData['caption'];
111:     }
112: 
113:     private function _moduleActionLinkOptions($controller, $actionData) {
114:         $linkOptions = array();
115:         if ($controller == $this->params['controller']) {
116:             $linkOptions['class'] = 'current';
117:         }
118:         return $linkOptions;
119:     }
120: 
121: }
122: