#GPS KLN90B gps

var GPS = {
  new : func {
    m = { parents : [GPS] };
    m.counter = 0;
    m.Menu1 = 3;
    m.Menu2 = 4;
    m.Page1 = 0;
    m.Page2 = 0;
    m.LHstring=[];
    m.RHstring=[];
    m.lpage_max=[8,8,5,5,8,8,8,8,0];
    m.rpage_max=[5,5,5,5,5,8,8,8,8,8,0];
    m.PWR=0;
    m.gps = props.globals.initNode("instrumentation/gps");
    m.gps_annun = props.globals.initNode("instrumentation/gps-annunciator");
    m.LHmenu = m.gps_annun.initNode("LHmenu");
    m.RHmenu = m.gps_annun.initNode("RHmenu");
    m.serviceable = m.gps.initNode("serviceable",0,"BOOL");
    m.pwr=props.globals.initNode("systems/electrical/outputs/gps",0.0);
    m.dtrk=m.gps.initNode("wp/wp[1]/desired-course-deg",0.0);
    m.supernav = m.gps_annun.initNode("super-nav",0,"BOOL");
    for (var i=0; i<7; i+=1) {
      append(m.LHstring,m.LHmenu.initNode("row["~i~"]","","STRING"));
      append(m.RHstring,m.RHmenu.initNode("row["~i~"]","","STRING"));
    }

    m.slaved = props.globals.initNode("instrumentation/nav[0]/slaved-to-gps",0,"BOOL");
    m.legmode = m.gps.initNode("leg-mode");
    m.appr = m.gps.initNode("approach-active",0,"BOOL");

    m.Lpower = setlistener(m.serviceable, func m.power_up(),1,0);
    return m;
  },
  ##################
  draw_display : func() {

    if (me.PWR == 0) {
      for (var i=0; i<7; i+=1) {
        me.LHstring[i].setValue("");
        me.RHstring[i].setValue("");
      }
      me.LHstring[6].setValue("POWER OFF");
      me.RHstring[6].setValue("POWER OFF");
    } else {
      if (me.counter==0) {
        me.setmode1();
      }
      if (me.counter!=0) {
        me.setmode2();
      }
    }
    me.counter =1 - me.counter;
  },
  ##################
  power_up : func {
    me.PWR=me.serviceable.getValue();
    if (!me.PWR) {
      setprop("instrumentation/gps/wp/wp[1]/waypoint-type","");
      setprop("/instrumentation/gps/wp/wp[1]/ID","");
      setprop("instrumentation/gps/wp/wp[1]/name","");
    }
  },
  ##################
  setmode1: func() {
    if (me.Menu1 == 0) {
      me.set_TRI1();
    } elsif (me.Menu1 == 1) {
      me.set_MOD1();
    } elsif (me.Menu1 == 2) {
      me.set_FPL1();
    } elsif (me.Menu1 == 3) {
      me.set_NAV1();
    } elsif (me.Menu1 == 4) {
      me.set_CAL1();
    } elsif (me.Menu1 == 5) {
      me.set_STA1();
    } elsif (me.Menu1 == 6) {
      me.set_SET1();
    } elsif (me.Menu1 == 7) {
      me.set_OTH1();
    }
  },
  ##################
    setmode2: func() {
    if (me.Menu2 == 0) {
      me.set_CTR2();
    } elsif(me.Menu2 == 1) {
      me.set_REF2();
    } elsif(me.Menu2 == 2) {
      me.set_ACT2();
    } elsif(me.Menu2 == 3) {
      me.set_DT2();
    } elsif(me.Menu2 == 4) {
      me.set_NAV2();
    } elsif(me.Menu2 == 5) {
      me.set_APT2();
    } elsif(me.Menu2 == 6) {
      me.set_VOR2();
    } elsif(me.Menu2 == 7) {
      me.set_NDB2();
    } elsif(me.Menu2 == 8) {
      me.set_INT2();
    } elsif(me.Menu2 == 9) {
      me.set_SUP2();
    }
  },
  ################################
  #######Update Pages ############
  ################################
  ########## LEFT MENU ###########
  ################################
  set_TRI1: func {
    var num=me.Page1+1;
    me.LHstring[6].setValue("TRI "~num);
  },
  ################
  set_MOD1: func {
    var num=me.Page1+1;
    me.LHstring[6].setValue("MOD "~num);
  },
  ###############
  set_FPL1: func {
    var num=me.Page1+1;
    me.LHstring[6].setValue("FPL "~num);
  },
  ################
  set_NAV1: func {
    if (me.Page1==0) {
      me.draw_nav1(me.LHstring);
    } elsif(me.Page1==1) {
      me.draw_nav2(me.LHstring);
    } elsif(me.Page1==2) {
      me.draw_nav3(me.LHstring);
    } elsif(me.Page1==3) {
      me.draw_nav4(me.LHstring);
    } elsif(me.Page1==4) {
      me.draw_nav5(me.LHstring);
    }
  },
  #################
  set_CAL1: func {
    var num=me.Page1+1;
    me.LHstring[6].setValue("CAL "~num);
  },
  #################
  set_STA1: func {
    var num=me.Page1+1;
    me.LHstring[6].setValue("STA "~num);
  },
  ##################
  set_SET1: func {
    var num=me.Page1+1;
    me.LHstring[6].setValue("SET "~num);
  },
  ##################
  set_OTH1: func {
    var num=me.Page1+1;
    me.LHstring[6].setValue("OTH "~num);
  },
  ##############################
  ####### RIGHT MENU ###########
  ##############################
  set_CTR2: func {
    var num=me.Page2+1;
    me.RHstring[6].setValue("CTR "~num);
  },
  #################
  set_REF2: func {
    var num=me.Page2+1;
    me.RHstring[6].setValue("REF "~num);
  },
  ################
  set_ACT2: func {
    var num=me.Page2+1;
    me.RHstring[6].setValue("ACT "~num);
  },
  #################
  set_DT2: func {
    var num=me.Page2+1;
    me.RHstring[6].setValue("D/T "~num);
  },
  ################
  set_NAV2: func {
    if (me.Page2==0) {
      me.draw_nav1(me.RHstring);
    } elsif(me.Page2==1) {
      me.draw_nav2(me.RHstring);
    } elsif(me.Page2==2) {
      me.draw_nav3(me.RHstring);
    } elsif(me.Page2==3) {
      me.draw_nav4(me.RHstring);
    } elsif(me.Page2==4) {
      me.draw_nav5(me.RHstring);
    }
  },
  ###################
  set_APT2: func {
    var num=me.Page2+1;
    me.RHstring[6].setValue("APT "~num);
  },
  ###################
  set_VOR2: func {
    var num=me.Page2+1;
    me.RHstring[6].setValue("VOR "~num);
  },
  ##################
  set_NDB2: func {
    var num=me.Page2+1;
    me.RHstring[6].setValue("NDB "~num);
  },
  #################
  set_INT2: func {
    var num=me.Page2+1;
    me.RHstring[6].setValue("INT "~num);
  },
  ##################
  set_SUP2: func {
    var num=me.Page2+1;
    me.RHstring[6].setValue("SUP "~num);
  },
  ##################
  ##################
  GPSappr : func {
    me.legmode.setBoolValue(0);
    me.slaved.setBoolValue(0);
    if (me.appr.getBoolValue()) {
      me.appr.setBoolValue(0);
    } else {
      me.appr.setBoolValue(1);
    }
  },
  ##################
  GPScrs : func {
    me.appr.setBoolValue(0);
    if (me.legmode.getBoolValue()) {
      me.legmode.setBoolValue(0);
      me.slaved.setBoolValue(0);
    } else {
      me.legmode.setBoolValue(1);
      me.slaved.setBoolValue(1);
    }
  },
  ##################
  lh_menu : func (test) {
    if (me.PWR != 0) {
      me.supernav.setValue(0);
      me.Menu1 +=test;
      if (me.Menu1 > 7) {
        me.Menu1 -= 8;
      }
      if (me.Menu1 < 0) {
        me.Menu1 += 8;
      }
      if (me.Page1==0 and me.Menu1==3) {
        if (me.Menu2==4 and me.Page2==0) {
          me.supernav.setValue(1);
        }
      }
    }
  },
  ##################
  lh_page : func (test) {
    if (me.PWR != 0) {
      me.supernav.setValue(0);
      me.Page1 +=test;
      if (me.Page1 >= me.lpage_max[me.Menu1]) {
        me.Page1 -= me.lpage_max[me.Menu1];
      }
      if (me.Page1 < 0) {
        me.Page1 += me.lpage_max[me.Menu1];
      }
      if (me.Page1 == 0 and me.Menu1==3) {
        if (me.Menu2 == 4 and me.Page2==0) {
          me.supernav.setValue(1);
        }
      }
    }
  },
  ##################
  rh_menu : func (test) {
    if (me.PWR != 0) {
      me.supernav.setValue(0);
      me.Menu2 +=test;
      if (me.Menu2 > 10) {
        me.Menu2 -= 10;
      }
      if (me.Menu2 < 0) {
        me.Menu2 += 10;
      }
      if (me.Page2 == 0 and me.Menu2==4) {
        if (me.Menu1 == 3 and me.Page1==0) {
          me.supernav.setValue(1);
        }
      }
    }
  },
  ##################
  rh_page : func (test) {
    if (me.PWR != 0) {
      me.supernav.setValue(0);
      me.Page2 +=test;
      if (me.Page2 >= me.rpage_max[me.Menu2]) {
        me.Page2 -= me.rpage_max[me.Menu2];
      }
      if (me.Page2 < 0) {
        me.Page2 += me.rpage_max[me.Menu2];
      }
      if (me.Page2 == 0 and me.Menu2==4) {
        if (me.Menu1 == 3 and me.Page1==0) {
          me.supernav.setValue(1);
        }
      }
    }
  },
  #################
  direct_to : func {
    if (me.PWR != 0) {
      setprop("instrumentation/gps/wp/wp[0]/waypoint-type","");
      setprop("instrumentation/gps/wp/wp[0]/ID","");
      setprop("instrumentation/gps/wp/wp[0]/name","");
      setprop("instrumentation/gps/wp/wp[0]/latitude-deg",getprop("position/latitude-deg"));
      setprop("instrumentation/gps/wp/wp[0]/longitude-deg",getprop("position/longitude-deg"));
    }
  },
  ############# NAV PAGES ######################
  draw_nav1 : func(addr) {
    addr[6].setValue("NAV 1");
    var buf="";
    var ID=getprop("instrumentation/gps/wp/wp/ID");
    if (ID==nil) {
      ID="D";
    }
    var ID2=getprop("instrumentation/gps/wp/wp[1]/ID");
    if (ID2==nil) {
      ID2=" ";
    }
    buf = sprintf("   %s > %s",ID,ID2);
    addr[0].setValue(buf);
    addr[1].setValue("* * * * * * * * * * *");
    var DIS=getprop("instrumentation/gps/wp/wp[1]/distance-nm");
    buf = sprintf("DIS     %4.0fNM",DIS);
    addr[2].setValue(buf);
    var GS=getprop("velocities/groundspeed-kt");
    buf = sprintf("GS     %3.0fKT",GS);
    addr[3].setValue(buf);
    var ETE=getprop("instrumentation/gps/wp/wp[1]/TTW");
    buf = sprintf("ETE  %s",ETE);
    addr[4].setValue(buf);
    var BRG=getprop("instrumentation/gps/wp/wp[1]/bearing-mag-deg");
    buf = sprintf("BRG     %3.0f",BRG);
    addr[5].setValue(buf);
  },
  draw_nav2 : func(addr) {
    addr[6].setValue("NAV 2");
    var buf="";
    addr[0].setValue("PRESENT POS");
    addr[1].setValue(" ");
    addr[2].setValue(" ");
    addr[3].setValue(" ");
    addr[4].setValue(getprop("position/latitude-string"));
    addr[5].setValue(getprop("position/longitude-string"));
  },
  draw_nav3 : func(addr) {
    addr[6].setValue("NAV 3");
    var buf="";
    var ID=getprop("instrumentation/gps/wp/wp/ID");
    if(ID==nil)ID="D";
    var ID2=getprop("instrumentation/gps/wp/wp[1]/ID");
    if(ID2==nil)ID2=" ";
    buf = sprintf("   %s > %s",ID,ID2);
    addr[0].setValue(buf);
    var dtrk =getprop("instrumentation/gps/tracking-bug");
    buf = sprintf("DTK   %3.0f",dtrk);
    addr[1].setValue(buf);
    var atrk=getprop("instrumentation/gps/indicated-track-true-deg");
    buf = sprintf("TK   %3.0f",atrk);
    addr[2].setValue(buf);
    addr[3].setValue("FLY");
    addr[4].setValue("MSA 3000");
    addr[5].setValue("ESA 3700");
  },
  draw_nav4 : func(addr) {
    addr[6].setValue("NAV 4");
    addr[0].setValue(" ");
    addr[1].setValue(" ");
    addr[2].setValue(" ");
    addr[3].setValue(" ");
    addr[4].setValue(" ");
    addr[5].setValue(" ");
  },
  draw_nav5 : func(addr) {
    addr[6].setValue("NAV 5");
    addr[0].setValue(" ");
    addr[1].setValue(" ");
    addr[2].setValue(" ");
    addr[3].setValue(" ");
    addr[4].setValue(" ");
    addr[5].setValue(" ");
  },
};
#########################################################

var Gps = GPS.new();

setlistener("sim/signals/fdm-initialized", func {
  setprop("instrumentation/gps/wp/wp/ID",getprop("sim/tower/airport-id"));
  setprop("instrumentation/gps/wp/wp/waypoint-type","airport");
  print("KLN-90B GPS  ...Check");
  settimer(update_gps,5);
});

var update_gps = func {
  Gps.draw_display();
  settimer(update_gps,0);
}
