Begin work on parameter pulling logic

Author: sco1

saveGUIstate.m

@@ -1,16 +1,78 @@
-function saveGUIstate(handles)
+function saveGUIstate(h)
+% Write better documentation here <-
+%
+% Input is a structure array of handles from programmatic or GUIDE GUIs
+% Output is a saved *.mat file with the specified properties
+%
+% Assumes all structure arrays with the same field name are of the same 
+% object type (e.g. 3 sliders stored as h.slider(1), h.slider(2), ...) so 
+% the user can utilize the return of set/get natively.
 
 propertystruct = initializeproperties();
+outfilename = 'savedState.mat';
+
+objectlist = fieldnames(h);
+
+for ii = 1:length(objectlist)
+    objtype = get(h.(objectlist{ii}), 'Type');
+    if iscell(objtype)
+        % Structure array length is non-singular, so get returns a cell
+        % array where each cell corresponds to the property of an
+        % individual object in the array.
+        objtype = objtype{1};
+    end
+    fieldtest = isfield(propertystruct, objtype); % See if our field exists
+    
+    % If we have a uicontrol object, adjust the object type string to
+    % include the 'Style' property as well so the properties to output
+    % structure can be addressed directly
+    isuicontrol = strcmpi(objtype, 'uicontrol');
+    if isuicontrol
+        uicontrolstyle = get(h.(objectlist{ii}), 'Style');
+        if iscell(uicontrolstyle)
+            % Structure array length is non-singular, so get returns a cell
+            % array where each cell corresponds to the property of an
+            % individual object in the array.
+            uicontrolstyle = uicontrolstyle{1};
+        end
+        
+        % isfield doesn't support nested fields, so we need to test the
+        % uicontrol substructure directly
+        fieldtest = isfield(propertystruct.uicontrol, uicontrolstyle);
+    end
+    
+    % Field exists, and there is data to save, save it
+    if fieldtest
+        % Need a in/else statement because you can't use dynamic field
+        % references on nested structures
+        if isuicontrol
+            propstopull = propertystruct.uicontrol.(uicontrolstyle);
+        else
+            propstopull = propertystruct.(objtype);
+        end
+        
+        if ~isempty(propstopull)
+            if iscell(propstopull)
+                for jj = 1:length(propstopull)
+                    asdf = 1;
+                end
+            else
+                asdf = 1;
+            end
+        end
+    end
+end
 end
 
 function [propertystruct] = initializeproperties()
 % Initialize structure containing the default properties to save.
 % Fieldnames of propertystruct should match the 'Type' property of the UI
 % object to save. If the object has multiple types (e.g. uicontrol), then
 % nest the types under their overall object type (e.g. uicontrol.edit).
+%
 % Strings (single or cell array) must match the property name(s).
 
-propertystruct.figure = 'Position';
+propertystruct.figure = {'Units', 'Position'};
 propertystruct.axes = '';  % Nothing to save currently
 propertystruct.uipanel = '';  % Nothing to save currently
 propertystruct.uitabgroup = '';  % Nothing to save currently, introduced in R2014b