Added BOARD_[CONNECTED_]ITEM::IsConnected() for checking if a BOARD_ITEM is...

Added BOARD_[CONNECTED_]ITEM::IsConnected() for checking if a BOARD_ITEM is BOARD_CONNECTED_ITEM as well.

include/class_board_item.h

@@ -93,6 +93,16 @@ public:
 
     virtual void SetPosition( const wxPoint& aPos ) = 0;
 
+    /**
+     * Function IsConnected()
+     * Returns information if the object is derived from BOARD_CONNECTED_ITEM.
+     * @return True if the object is of BOARD_CONNECTED_ITEM type, false otherwise.
+     */
+    virtual bool IsConnected() const
+    {
+        return false;
+    }
+
     /**
      * A value of wxPoint(0,0) which can be passed to the Draw() functions.
      */

pcbnew/class_board_connected_item.h

@@ -70,6 +70,12 @@ public:
 
     BOARD_CONNECTED_ITEM( const BOARD_CONNECTED_ITEM& aItem );
 
+    ///> @copydoc BOARD_ITEM::IsConnected()
+    bool IsConnected() const
+    {
+        return true;
+    }
+
     /**
      * Function GetNet
      * @return int - the net code.