function tip = getfdatooltip(index)
%GETFDATOOLTIP   Return a tip for FDATool given an index.

%   Author(s): J. Schickler
%   Copyright 1988-2004 The MathWorks, Inc.
%   $Revision: 1.1.6.2 $  $Date: 2004/12/26 22:23:23 $

% Define the valid for the signal only case.
validtips = [0 6 12 14 16 17 18 19 20];

% Add the plug-in tips.
if isfdtbxinstalled
    validtips = [validtips 1 2 4 5 8 9 10 11 13];
end
if isspblksinstalled
    validtips = [validtips 15];
end
if isfdhdlcinstalled
    validtips = [validtips 3];
end
if isccslinkinstalled
    validtips = [validtips 7];
end

% Sort them so they show in the correct order.
validtips = sort(validtips);

ntips = length(validtips);

% Index into the VALIDTIPS vector to find the next tip.
switch validtips(rem(index+ntips-1, ntips)+1)
    case 0
        tip = sprintf('%s %s', ...
            'You can generate M-code functions of your design by going', ...
            'to the ''File'' menu and selecting ''Generate M-file''.');
    case 1
        tip = sprintf('%s %s %s %s %s', ...
            'You can quantize filters you', ...
            'have designed or imported to either fixed-point arithmetic or', ...
            'single-precision floating-point arithmetic.  Click the', ...
            '''Set Quantization Parameters'' sidebar button.  (Note:', ...
            'fixed-point arithmetic also requires the Fixed-Point Toolbox.');
    case 2
        tip = sprintf('%s %s %s', ...
            'If you have quantized a filter,', ...
            'its reference response is shown.  To disable this, go to the', ...
            '''View'' menu and uncheck ''Show Reference Filters''.');
    case 3
        tip = sprintf('%s  %s', ...
            'You can export filters to HDL files.', ...
            'Go to the ''Targets'' menu and select ''Generate HDL''.');
    case 4
        tip = sprintf('%s %s %s', ...
            'You can see different views of second-order-section (SOS)', ...
            'filters.  You can view the sections individually or cumulatively.', ...
            'Go to the ''View'' menu and select ''SOS View Options''.');
    case 5
        tip = sprintf('%s %s %s', ...
            'You can scale the coefficients of second-order-section (SOS)', ...
            'filters.  After designing an SOS filter, go to the ''Edit''', ...
            'menu and select ''Reorder and Scale Second-Order-Sections''.');
    case 6
        tip = sprintf('%s %s', ...
            'You can generate C-header files containing your filter coefficients by', ...
            'going to the ''Targets'' menu and selecting ''Generate C header''.');
    case 7
        tip = sprintf('%s  %s', ...
            'You can export C-code directly to the Code Composer Studio.', ...
            'Go to the ''Targets'' menu and select ''Code Composer Studio (tm) IDE''.');
    case 8
        tip = sprintf('%s %s', ...
            'You can design multirate filters.  Click the ''Create a', ...
            'multirate filter'' sidebar button.');
    case 9
        tip = sprintf('%s %s', ...
            'You can view each polyphase response of multirate filters.  To', ...
            'enable this view go to the ''View'' menu and check ''Polyphase View''.');
    case 10
        tip = sprintf('%s %s %s %s', ...
            'You can design inverse-sinc filters via the design panel.  In', ...
            'the lowpass option of the Response Type select ''Inverse Sinc', ...
            'Lowpass'' to design a lowpass inverse-sinc filter.  Highpass', ...
            'inverse-sinc filters can be designed under the highpass option.');
    case 11
        tip = sprintf('%s  %s %s', ...
            'You can design raised-cosine filters via the design panel.', ...
            'In the lowpass option of the Response Type', ...
            'select ''Raised-cosine'' to design a raised-cosine filter.');
    case 12
        tip = sprintf('%s  %s %s', ...
            'You can modify filter analyses using the Analysis Parameters.', ...
            'Select an analysis from the ''Analysis'' menu, and then go to the', ...
            '''Analysis'' menu and choose ''Analysis Parameters''.');
    case 13
        tip = sprintf('%s  %s %s %s %s', ...
            'You can import and export Xilinx coefficient (.COE) files.', ...
            'To import a filter, go to the ''File'' menu and select', ...
            '''Import Filter from Xilinx Coefficient (.COE)', ...
            'File''.  To export a filter, go to the ''Targets'' menu and', ...
            'select ''Xilinx Coefficient (.COE) File''.');
    case 14
        tip = sprintf('%s  %s %s', ...
            'You can save your filters for later use with the Filter Manager.', ...
            'Click ''Store Filter ...'' to save a filter or', ...
            '''Filter Manager ...'' to launch the manager dialog.');
    case 15
        tip = sprintf('%s  %s %s', ...
            'You can export filters into Simulink(R) models.', ...
            'Go to the ''File'' menu and select ''Export to Simulink Model''', ...
            'to launch the Filter Realization pane of FDATool.');
    case 16
        tip = sprintf('%s %s', ...
            'You can change the structure of your filtering by going to the', ...
            '''Edit'' menu and selecting ''Convert Structure''.');
    case 17
        tip = sprintf('%s %s %s %s', ...
            'You can graphically edit the poles and zeros of your filter using', ...
            'the Pole/Zero Editor.  Click the ''Pole/Zero Editor'' sidebar', ...
            'button.  Special Pole/Zero Editor options are also available', ...
            'from ''Pole/Zero Editor'' on the ''Edit'' menu.');
    case 18
        tip = sprintf('%s %s', ...
            'Right clicking on the X- and Y-labels of the analyses allows', ...
            'you to change the X- or Y-units used by the plot.');
    case 19
        tip = sprintf('%s %s', ...
            'You can add data markers to your analyses by single-clicking', ...
            'on the analysis plot.');
    case 20
        tip = sprintf('%s %s %s', ...
            'You can import filters from the workspace into any supported', ...
            'filter structure.  Go to the ''File'' menu and select', ...
            '''Import Filter from Workspace''.');
end

tip = xlate(tip);

% [EOF]
