arguments to fig2plotly improved

Author: andreyDimitrov

Diff for: plotly/fig2plotly.m

@@ -1,13 +1,45 @@
-function [response] = fig2plotly(f, plot_name)
+function [response] = fig2plotly(varargin)
 % fig2plotly - plots a matlab figure object with PLOTLY
+%   [response] = fig2plotly()
+%   [response] = fig2plotly(gcf)
+%   [response] = fig2plotly(f)
+%   [response] = fig2plotly(gcf, plot_name)
 %   [response] = fig2plotly(f, plot_name)
+%       gcf - root figure object in the form of a double.
 %       f - root figure object in the form of a struct. Use f = get(gcf); to
 %           get the current figure struct.
 %       plot_name - a string naming the plot
 %       response - a struct containing the result info of the plot
 % 
 % For full documentation and examples, see https://plot.ly/api
 
+%default input
+f = get(gcf);
+plot_name = 'untitled';
+
+switch numel(varargin)
+    case 0
+    case 1
+        if isa(varargin{1}, 'double')
+            f = get(varargin{1});
+        end
+        if isa(varargin{1}, 'struct')
+            f = varargin{1};
+        end
+        plot_name = 'untitled';
+    case 2
+        if isa(varargin{1}, 'double')
+            f = get(varargin{1});
+        end
+        if isa(varargin{1}, 'struct')
+            f = varargin{1};
+        end
+        plot_name = varargin{2};
+    otherwise
+        error('Too many arguments!')
+end 
+        
+
 %convert figure into data and layout data structures
 [data, layout] = convertFigure(f);