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class DBMenu extends DBHierarchicalHash {
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class DBMenu extends DBHierarchicalHash {
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   protected  $captionName = 'caption'; // column name for display string in database
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   protected  $captionName = 'caption'; // column name for display string in database
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   protected  $urlName = 'url';         // column name for URL field in database
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   protected  $urlName = 'url';         // column name for URL field in database
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   // string which is searched/replaced for a menu item that has a URL (<url> and <caption> are replaced)
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   // string which is searched/replaced for a menu item that has a URL (<url> and <caption> are replaced)
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   protected  $menuItemString = '<li class="menu_item_<level>"><a href="<url>"><caption></a></li>';
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   protected  $menuItemString = "<li class='menu_item_<level>'><a href='<url>'><caption></a></li>\n";
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   // string which is searched/replaced for a menu item that has no URL (<caption> is replaced)
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   // string which is searched/replaced for a menu item that has no URL (<caption> is replaced)
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   protected  $menuHeaderString = '<li class="menu_header_<level>"><caption></li>';
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   protected  $menuHeaderString = "<li class='menu_header_<level>'><caption></li>\n";
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   // string which is placed around <menublock>, ie this goes around a menu/submenu. <level> can be used to determine
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   // string which is placed around <menublock>, ie this goes around a menu/submenu. <level> can be used to determine
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   // which level (zero based) we are in the menu (level = 0 is top menu)
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   // which level (zero based) we are in the menu (level = 0 is top menu)
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   protected  $menuBlockString = '<ul class="menu"><menublock></ul>';
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   protected  $menuBlockString = "<ul class='menu'><menublock></ul>\n";
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   // simply pass fields on to DBHierarchicalHash so it can load and parse the table
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   // simply pass fields on to DBHierarchicalHash so it can load and parse the table
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   public function __construct ($tableName = 'menus', $idFieldName = 'id', $parentFieldName = 'parent_id' ) {
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   public function __construct ( $dbConnect, $tableName = 'menus', $idFieldName = 'id', $parentFieldName = 'parent_id' ) {
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      parent::__construct($tableName, $idFieldName, $parentFieldName );
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      parent::__construct($dbConnect, $tableName, $idFieldName, $parentFieldName );
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   }
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   }
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   // simple setter/getter for the caption column name in table
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   // simple setter/getter for the caption column name in table
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   public function captionColumnName ( $newValue = '' ) {
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   public function captionColumnName ( $newValue = '' ) {
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      if ($newValue) {
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      if ($newValue) {
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      }
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      }
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      return $this->menuBlockString;
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      return $this->menuBlockString;
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   }
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   }
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   // just an entry point to displayMenu, with root of inputRecords and level 0
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   // just an entry point to displayMenu, with root of inputRecords and level 0
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   function DBMenu2String ( $rootDir = '' ) {
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   function DBMenu2String ( $rootDir = '', $toAdd = null ) {
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      foreach ( $toAdd as $additional ) {
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         $this->inputRecords[] = $additional;
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      }
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      //print "<pre>\n" . print_r( $this, true) . "</pre>"; die;
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      return $this->htmlMenu( $this->inputRecords, 0, $rootDir );
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      return $this->htmlMenu( $this->inputRecords, 0, $rootDir, $toAdd );
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   }
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   }
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   // function takes a menu level and creates an HTML Menu items from it. If a node has children, will
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   // function takes a menu level and creates an HTML Menu items from it. If a node has children, will
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   // recursively call itself for each child node.
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   // recursively call itself for each child node.
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   private function htmlMenu ($menu, $level=0, $rootDir = '' ) {
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   private function htmlMenu ($menu, $level=0, $rootDir = '' ) {
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         }
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         }
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         if ( isset($value['children'])) { // if it has children, process them
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         if ( isset($value['children'])) { // if it has children, process them
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            $result .=  $this->htmlMenu($value['children'], $level+1, $rootDir);
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            $result .=  $this->htmlMenu($value['children'], $level+1, $rootDir);
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         }
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         }
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      }
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      }
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      /*
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      // if they want anything added, do it here.
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      foreach ( $toAdd as $key => $value ) {
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         $result .= insertValuesIntoQuery( $this->menuItemString, array( 'url' => $value, 'caption' =>$key ) );
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      }
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      */
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      // place the block code around the menu, and return the result
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      // place the block code around the menu, and return the result
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      return insertValuesIntoQuery( $this->menuBlockString, array( 'menublock' => $result, 'level' => $level ) );
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      return insertValuesIntoQuery( $this->menuBlockString, array( 'menublock' => $result, 'level' => $level ) );
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   }
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   }
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} // class DBMenu
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} // class DBMenu