ctsysgui.m

ADSP TOOLBOX: Version 2.0 and gui m-files

elseif mode == 2, % adding

% obtain local range values
   n_str = get(ui(13),'string');
   if isempty(n_str)
      errordlg('No values entered for signal range.','Input Error');
      set(ui(13),'string',get(ui(13),'userdata'));
      return;
   end
   n_val = eval(['[',n_str,']'],'[]');
   if isempty(n_val)
      errordlg('MATLAB syntax error for signal range.','Input Error');
      set(ui(13),'string',get(ui(13),'userdata'));
      return;
   end
   if length(n_val)~=2
      errordlg('Signal range requires 2 values.','Input Error');
      set(ui(13),'string',get(ui(13),'userdata'));
      return;
   end
   minn=n_val(1);maxn=n_val(2);
   if minn >= maxn,
      errordlg('Signal range must be entered as  min, max.','Input Error');
      set(ui(13),'string',get(ui(13),'userdata'));
       return;
   end
   if rem(minn,1) | rem(maxn,1)
      errordlg('Signal range must be entered as integers.','Input Error');
      set(ui(13),'string',get(ui(13),'userdata'));
       return;
   end
   if minn<0 | maxn<0
      errordlg('Signal range must be non-negative (causal).','Input Error');
      set(ui(13),'string',get(ui(13),'userdata'));
       return;
   end

   set(ui(13),'userdata',n_str);


   val1 = str2num(get(edts(1),'string'));
   val2 = str2num(get(edts(2),'string'));
   val3 = str2num(get(edts(3),'string'));
   val4 = str2num(get(edts(4),'string'));
   val5 = str2num(get(edts(5),'string'));
   val6 = get(ui(5),'value');
   val7 = minn;       % min value of range
   val8 = 1;  % step value
   val9 = maxn;       % max value of range

   if ~length(val1), val1 = 1; end
   if ~length(val2), val2 = 0; end
   if ~length(val3), val3 = 0; end
   if ~length(val4), val4 = 0; end
   if ~length(val5), val5 = 0; end

   if val6 == 1
%      if val2 == 0,
%      errordlg('  a must be non-zero.','Input Error');
%      return;
%      end
      if rem(val3,1),
      errordlg('  b must be an integer.','Input Error');
      return;
      end
   end


   if val6 == 2
      val1=NaN;
      r_str = get(ui(13),'string');
      loc_inf = find(r_str == 'n');

      xn_str = get(cust_edt,'string');
          if ~length(xn_str)
             errordlg('Nothing entered for x[n]!','Input Error');
             return
          end
problem=0;if xn_str(1)=='W',
xn_str(1)=[];evalin('base',[xn_str ';'],'problem=1;')
if problem==0, xn_str=evalin('base',xn_str);
else
   errordlg('MATLAB syntax error.','Input Error');
   return
end
if ~isstr(xn_str),
   errordlg('Signal is not a string expression.','Input Error');
   return
end
end

r_str = get(ui(13),'string');
n = eval(['[',r_str,']']);
dn=str2num(get(ui(19),'string'));
if isempty(dn),dn=0.01;end
t = n(1):dn:n(2);
if isstr(xn_str)
      xn_str = ['[',xn_str,']'];
      ttt=0;
          eval([xn_str ';'],'ttt=1;');
          if ttt
             errordlg('Incorrect Matlab Syntax.','Input Error');
             return
          end
          xn_str=eval(xn_str);
end
if length(xn_str) ~= length(t) & length(xn_str) ~= 1
   errordlg('Time and signal arrays have different length.','Input Error');
   return
end

   end


   ele_mat = [ele_mat;val1, val2, val3, val4, val5, val6, val7, val8, val9];
   set(ui(1),'userdata',ele_mat);
   set(stat_bar,'string','Adding new signal...');

   ctsigedt(1);
   ctsigplt(1);
   ctsysplt;


elseif mode == 3, % Reset
    if get(resp_btn,'value')
    ctsysplt
    end

elseif mode == 4, %Check for correct range and causal input
   n_str = get(ui(9),'string');
   if isempty(n_str)
      errordlg('No values entered for plot range.','Input Error');
      set(ui(9),'string',get(ui(9),'userdata'));
      return;
   end
   n_val = eval(['[',n_str,']'],'[]');
   if isempty(n_val)
      errordlg('MATLAB syntax error for plot range.','Input Error');
      set(ui(9),'string',get(ui(9),'userdata'));
      return;
   end
   if length(n_val)~=2
      errordlg('Plot range requires 2 values.','Input Error');
      set(ui(9),'string',get(ui(9),'userdata'));
      return;
   end
   minn=n_val(1);maxn=n_val(2);
   if minn >= maxn,
      errordlg('Plot range must be entered as  min, max.','Input Error');
      set(ui(9),'string',get(ui(9),'userdata'));
       return;
   end
   if minn~=0 
      errordlg('Starting index of plot reange must be 0.','Input Error');
      set(ui(9),'string',get(ui(9),'userdata'));
       return;
   end
set(ui(13),'string',n_str);


   d_str = get(ui(19),'string');
   if isempty(d_str)
      errordlg(['No time-step specified!'],'Input Error');
      return;
   end

   dn = eval(['[',d_str,']']);
   if length(dn) ~= 1 | dn <= 0,
      errordlg(['Time step must be a positive scalar'],'Input Error');
      return;
   end

         ctsigplt(2);
         ctsysplt;


elseif mode == 9, % cursor

    if get(curs_btn,'value')
    set(curs_dsp,'vis','on');
    set(stat_bar,'string','To activate cursor, click inside a plot. Double click to maximize/minimize.');


    set(f,'WindowButtonMotionFcn','ctsysgui(10)');

    else

  set(f,'Pointer','arrow','WindowButtonMotionFcn','');


   set(curs_dsp,'vis','off')
   set(curs_btn,'value',0),
   set(stat_bar,'string','');

    end

elseif mode == 10, % cursor movement

       h=gca;
       set(f,'currentaxes',h);
       lim=get(h,'pos');  % get current axis position
       c_p = [lim(1) lim(1)+lim(3) lim(2) lim(2)+lim(4)];
       f_p=get(f,'CurrentPoint'); % get co-ordinates of current point

     if f_p(1) < c_p(1) | f_p(1) > c_p(2) | f_p(2) < c_p(3) | f_p(2) > c_p(4)
        set(f,'Pointer','arrow');

        set(curs_dsp(2),'string','');
        set(curs_dsp(4),'string','');

     else
        curr_pt=get(h,'CurrentPoint');  % get current mouse position
        set(f,'Pointer','crosshair');

        set(curs_dsp(2),'string',num2str(curr_pt(1,1)));
        set(curs_dsp(4),'string',num2str(curr_pt(1,2)));
     end


%%%%%% PASTE AT END before last end statement %%%%%%%%%%%%%
elseif mode == 15, %Export data
set(resp_btn,'value',1);ctsysplt;
ostr=get(ui(48),'string');oval=get(ui(48),'value');ostr=ostr(oval,:);
str1='Export input signal x(t) as';
str2=['Export ' ostr ' response y(t) as'];
str3='Export time index for x(t) and y(t) as';
str4='Export symbolic form for y(t) as';
exp_str={str1,str2,str3,str4};
exp_var={'inputx','outputy','timeind','symby'};

expect=inputdlg(exp_str,'Save Variables as',1,exp_var);
if ~isempty(expect)
htx=get(ui(8),'userdata');
hnm=get(ui(65),'userdata');
hsym=get(ui(66),'userdata');

if ~isempty(expect{1}),assignin('base',expect{1},htx(2,:));end
if ~isempty(expect{2}),assignin('base',expect{2},hnm);end
if ~isempty(expect{3}),assignin('base',expect{3},htx(1,:));end
if ~isempty(expect{4}),assignin('base',expect{4},hsym);end
end


elseif mode == 16, % Axis Control Help
msgbox([' First click in a plot window.                             ',... 
'                  Then, come back and execute'],...
'Axis Control Info','help')

elseif mode == 17, % Axis Control
cur_axs=[];   cur_obj = gco;
   cur_par = get(cur_obj,'parent');
if ~isempty(cur_par)
   if cur_par == f,
      cur_axs = cur_obj;
   else
      cur_axs = cur_par;
   end
end

if isempty(cur_axs),ctsysgui(16);
else
set(curs_btn,'value',0);
ctsysgui(9); %%% REPLACE number BY CURSOR MODE 
if any(cur_axs==ui([29,32])),%%%% CHANGE UI numbers
if cur_axs==ui(29),txt='Input x(t)';%%%% CHANGE UI numbers
elseif cur_axs==ui(32),txt='Output y(t)';%%%% CHANGE UI numbers
end
axlimdlg(txt,[1 1]); %[1 1]=auto +linear/log,  [1 0]=auto, no linear/log
else
ctsysgui(16);
end
end


elseif mode == 18, % zoom on
set(curs_btn,'value',0);
ctsysgui(9);                    % Use CURSOR MODE 
if get(ui(15),'userdata')==0  %%Change ui(15) to whatever
zoom on
set(ui(15),'userdata',1);
else
msgbox('Zoom is already ON.','Zoom Info','help')
end

elseif mode == 19, % zoom off
set(curs_btn,'value',0);
ctsysgui(9);                    % Use CURSOR MODE 
if get(ui(15),'userdata')==1

%%%%%Insert old zoom off here
set(f,'currentaxes',ui(29));
zoom out,zoom reset,zoom off
set(f,'currentaxes',ui(32));
zoom out,zoom reset,zoom off
set(ui(15),'userdata',0);
else
msgbox('Zoom is already OFF.','Zoom Info','help')
end



elseif mode == 20, % mouse functionality
cur_axs = [];   cur_obj = gco;
   cur_par = get(cur_obj,'parent');


if ~isempty(cur_par)
   if cur_par == f,
      cur_axs = cur_obj;
   else
      cur_axs = cur_par;
   end
end


if isempty(cur_axs),ctsysgui(16);return,end

   if any(cur_axs == [sig_axs,opr_axs]),
      axes(cur_axs);
         tit_str = get(get(cur_axs,'title'),'string');
         axs_pos = get(cur_axs,'pos');
         if axs_pos(4) == 155, % need to maximize
               set([sig_axs,opr_axs],'vis','off');
            set(cur_axs,'pos',[210,50,390,360],'vis','on');
%            set(stat_bar,'string',[tit_str,' axis maximized.']);

         else % minimization
              set(sig_axs,'pos',[210,260-5,390,155],'vis','on');
              set(opr_axs,'pos',[210,50,390,155],'vis','on');
%            set(stat_bar,'string',[tit_str,' axis minimized.']);

         end
   else
        ctsysgui(16);
   end


end