//  Scicos
//
//  Copyright (C) INRIA - METALAU Project <scicos@inria.fr>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// See the file ../license.txt
//

function [x,y,typ]=MUX_f(job,arg1,arg2)
    x=[];
    y=[];
    typ=[];
    select job
    case "set" then
        x=arg1;
        graphics=arg1.graphics;
        exprs=graphics.exprs
        model=arg1.model;
        while %t do
            [ok,in,exprs]=scicos_getvalue("Set MUX block parameters",..
            "number of input ports or vector of sizes",list("vec",-1),exprs)
            if ~ok then
                break,
            end
            if size(in,"*")==1 then
                if in<2|in>8 then
                    message("Block must have at least two input ports and at most eight")
                    ok=%f
                else
                    [model,graphics,ok]=check_io(model,graphics,-[1:in]',0,[],[])
                end
            else
                if size(in,"*")<2| size(in,"*")>8|or(in==0) then
                    message(["Block must have at least two input ports";
                    "and at most eight, and size 0 is not allowed. "])
                    ok=%f
                else
                    if min(in)<0 then
                        nout=0,
                    else
                        nout=sum(in),
                    end
                    [model,graphics,ok]=check_io(model,graphics,in(:),nout,[],[])
                    if ok then
                        in=size(in,"*"),
                    end
                end
            end
            if ok then
                graphics.exprs=exprs;
                model.ipar=in
                x.graphics=graphics;
                x.model=model
                break
            end
        end
    case "define" then
        in=2
        model=scicos_model()
        model.sim=list("mux",1)
        model.in=-[1:in]'
        model.out=0
        model.ipar=in
        model.blocktype="c"
        model.dep_ut=[%t %f]

        exprs=string(in)
        gr_i=[]
        x=standard_define([0.5 2],model,exprs,gr_i)
    end
endfunction