Added: CGroupHTML::clearRefresh() lua function

--HG--
branch : develop

code/nel/include/nel/gui/group_html.h

@@ -262,6 +262,8 @@ namespace NLGUI
 		void browseUndo ();
 		// Redo browse: Browse the precedent url undoed. no op if none
 		void browseRedo ();
+		// disable refresh button
+		void clearRefresh();
 		// clear undo/redo
 		void clearUndoRedo();
 
@@ -270,6 +272,7 @@ namespace NLGUI
 		void		setURL(const std::string &url);
 
 
+		int luaClearRefresh(CLuaState &ls);
 		int luaClearUndoRedo(CLuaState &ls);
 		int luaBrowse(CLuaState &ls);
 		int luaRefresh(CLuaState &ls);
@@ -287,6 +290,7 @@ namespace NLGUI
 			REFLECT_LUA_METHOD("browse", luaBrowse)
 			REFLECT_LUA_METHOD("refresh", luaRefresh)
 			REFLECT_LUA_METHOD("clearUndoRedo", luaClearUndoRedo)
+			REFLECT_LUA_METHOD("clearRefresh", luaClearRefresh)
 			REFLECT_LUA_METHOD("removeContent", luaRemoveContent)
 			REFLECT_LUA_METHOD("insertText", luaInsertText)
 			REFLECT_LUA_METHOD("addString", luaAddString)

code/nel/src/gui/group_html.cpp

@@ -5787,6 +5787,13 @@ namespace NLGUI
 		return false;
 	}
 
+	// ***************************************************************************
+	void	CGroupHTML::clearRefresh()
+	{
+		_URL.clear();
+		updateRefreshButton();
+	}
+
 	// ***************************************************************************
 	void	CGroupHTML::clearUndoRedo()
 	{
@@ -5873,7 +5880,7 @@ namespace NLGUI
 	{
 		CCtrlBaseButton		*butRefresh = dynamic_cast<CCtrlBaseButton *>(CWidgetManager::getInstance()->getElementFromId(_BrowseRefreshButton));
 
-		bool enabled = !_Browsing && !_Connecting;
+		bool enabled = !_Browsing && !_Connecting && !_URL.empty();
 		if(butRefresh)
 			butRefresh->setFrozen(!enabled);
 	}
@@ -5912,6 +5919,16 @@ namespace NLGUI
 		return true;
 	}
 
+	int CGroupHTML::luaClearRefresh(CLuaState &ls)
+	{
+		const char *funcName = "clearRefresh";
+		CLuaIHM::checkArgCount(ls, funcName, 0);
+
+		clearRefresh();
+
+		return 0;
+	}
+
 	int CGroupHTML::luaClearUndoRedo(CLuaState &ls)
 	{
 		const char *funcName = "clearUndoRedo";