Added functionality to manipulate legend axes

@gramm/gramm.m

@@ -3,6 +3,8 @@
     % Pierre Morel 2015
 
     properties (Access=public)
+        legend_axe_handle %Store the handle of the legend axis
+        title_axe_handle %Store the handle of the title axis
         facet_axes_handles %Stores the handles of the facet axes
         results %Stores the results of the draw functions and statistics computations
     end
@@ -109,8 +111,7 @@
 
         legend_y=0 %Current y position of the legend text
 
-        legend_axe_handle %Store the handle of the legend axis
-        title_axe_handle %Store the handle of the title axis
+
 
         bigtitle=''
         bigtitle_options={}

@gramm/redraw.m

@@ -138,7 +138,7 @@
     end
 end
 
-if ~isempty(legend_text_pos)
+if ~isempty(legend_text_pos) && obj.with_legend
     %Here we correct by the width to get the coordinates in
     %normalized values
     [max_text_x,max_ind]=max(cellfun(@(p)legend_pos(1)+legend_pos(3)*(p(1)+p(3))/legend_axis_width,legend_text_pos));
@@ -238,7 +238,7 @@
 
 %If we don't have legends on the right then we use the multi parameters
 temp_available_x=obj.multi.orig(2)+obj.multi.size(2);
-if ~isempty(legend_text_pos) %Place relative to legend axis if we have one
+if ~isempty(legend_text_pos)  && obj.with_legend %Place relative to legend axis if we have one
     tmp=get(obj.legend_axe_handle,'Position');
     temp_available_x=tmp(1);
 end