Zoznam na studentov

{ ZOZSTUD.PAS                          Copyright (c) Andrej Badinka }
{ Zoznam na studentov... Daju sa vytvarat nove zoznamy, otvarat     }
{ existujuce, alebo exportovat do prehladneho textaku...            }
{ mys nefunguje ale ovladanie je pomocou klavesy Alt+prislusna      }
{ klavesa ktora je zvyraznena.                                      }
{                                                                   }
{ Datum:14.11.2006                             http://www.trsek.com }
 
program studenti;
uses crt,dos;
 
const AltM = #50;   AltB = #48;   AltS = #31;   AltV = #47;   esc = #27;
      AltA = #30;   AltO = #24;   AltD = #32;
      AltE = #18;   AltF = #33;   AltU = #22;
      AltQ = #16;   AltN = #49;   AltC = #46;
type tstudent=record
                    Meno:string[20];
                    priezvisko:string[20];
                    odbor:string[30];
                    kruzok:string[7];
                    obluba:1..5;
              end;
     zoznam=file of tstudent;
var key:char;katalog:zoznam;
    otv,koniec:boolean;nazov:string;
 
{*****************************************************************************************}
{********************************************************************* procedury s oknami }
{*****************************************************************************************}
 
procedure okno(xl,yh,xp,yd:integer;farba:word);
 begin
      textbackground(farba);
      window(xl,yh,xp,yd);clrscr;
 end;
 
 
procedure plocha;
 var iHM,iHM2,i:byte;
     st:Tstudent;
 begin
      okno(10,3,70,20,cyan);
      textcolor(0);
      if otv=true then
         begin
              textcolor(red);gotoxy(2,3);write('N');
                             gotoxy(6,3);write('Name');
                             gotoxy(19,3);write('Surname');
                             gotoxy(32,3);write('Field of study');
                             gotoxy(52,3);write('Class');
                             gotoxy(58,3);write('Fav');
              for i:=1 to filesize(katalog) do
                  begin
                       seek(katalog,i-1);
                       textcolor(black);
                       read(katalog,st);
                       with st do
                        begin
                             gotoxy(2,3+i);write(i);
                             gotoxy(6,3+i);write(meno);
                             gotoxy(19,3+i);write(priezvisko);
                             gotoxy(32,3+i);write(odbor);
                             gotoxy(51,3+i);write(kruzok);
                             gotoxy(58,3+i);write(obluba);
                        end;
                  end
         end;
      for iHM:=1 to 18 do
          begin
               gotoxy(1,iHM);
               if (iHM=17)or(iHM=2)
                   then for iHM2:=1 to 59 do
                            begin
                                 gotoxy(61-iHM2,iHM);
                                 write('*');
                            end
                   else if (iHM>2)and(iHM<17) then
                                     begin
                                          gotoxy(3,iHM);write('|');
                                          gotoxy(17,iHM);write('|');
                                          gotoxy(30,iHM);write('|');
                                          gotoxy(50,iHM);write('|');
                                          gotoxy(57,iHM);write('|');
                                          gotoxy(1,iHM);write('*');
                                          gotoxy(61,iHM);write('*');
                                     end;
               if iHM=1 then
                            begin
                                 textbackground(black);
                                 textcolor(yellow);
                                   gotoxy(2,1);write('  F');gotoxy(13,1);
                                   write('E');gotoxy(22,1);write('A');
                                   if otv=false then begin
                                                          gotoxy(13,1);
                                                          textcolor(darkGray);
                                                          write('Edit     ');
                                                     end;
                                 textcolor(red);
                                   gotoxy(5,1);write('ile     ');gotoxy(14,1);
                                   if otv=true then write('dit     ');gotoxy(23,1);
                                   writeln('bout                        Zoznamcek ');
                                 if otv=true then begin
                                                       gotoxy(50-length(nazov)-6,iHM);
                                                       textbackground(blue);
                                                       write(' ',nazov,'.dat ');
                                                  end
                                             else begin
                                                       gotoxy(40,1);
                                                       textcolor(darkgray);
                                                       write('No file');
                                                  end;
                                 textbackground(cyan);textcolor(black)
                            end;
               if iHM=18 then
                             begin
                                  textcolor(yellow);textbackground(black);
                                  gotoxy(2,18);write('              u');
                                  gotoxy(41,18);write('Q');
                                  textcolor(4);
                                  gotoxy(15,18);write('B');gotoxy(17,18);write('tton control            ');
                                  gotoxy(42,18);  write('uit                ');
                                  textcolor(black);textbackground(cyan);
                             end;
          end;
 end;
 
procedure HM;
 begin
      okno(30,5,40,12,red);
      gotoxy(15,5); write('                               ');
      gotoxy(15,6); write('                               ');
      gotoxy(15,7); write('                               ');
      gotoxy(15,8); write('                               ');
      gotoxy(15,9); write('                               ');
      gotoxy(15,10);write('                               ');
      gotoxy(15,11);write('                               ');
 end;
 
procedure fileM;
 begin
      plocha;
      okno(12,4,19,9,green);
      textcolor(red);clrscr;
       gotoxy(1,1);write('********');
       gotoxy(2,2);write('N');gotoxy(2,3);write('O');gotoxy(2,4);
       if otv=false then textcolor(black);write('M');textcolor(red);
       gotoxy(2,5);write('B');gotoxy(2,6);write('C');
      textcolor(black);
       gotoxy(3,2);write('ew');gotoxy(3,3);write('pen');
       gotoxy(3,4);write('ake');gotoxy(3,5);write('ack');gotoxy(3,6);write('lose');
 end;
 
procedure editM;
 begin
      plocha;
      okno(21,4,36,9,green);clrscr;
      textcolor(red);
       gotoxy(1,1);write('****************');
       gotoxy(2,2);write('N');gotoxy(2,3);write('E');gotoxy(2,4);write('D');
       gotoxy(2,6);write('B');
      textcolor(black);
       gotoxy(3,2);write('ew student');gotoxy(3,3);write('dit student');
       gotoxy(3,4);write('elete student');gotoxy(3,6);write('ack');
 end;
 
procedure aboutM;
 begin
      plocha;
      okno(30,4,44,9,green);clrscr;
      textcolor(red);
       gotoxy(1,1);write('***************');
       gotoxy(2,2);write('V');gotoxy(2,3);write('C');gotoxy(2,4);write('daco');
       gotoxy(2,6);write('B');
      textcolor(black);
       gotoxy(3,2);write('ersion');gotoxy(3,3);write('redits');gotoxy(3,4);
       gotoxy(3,6);write('ack');
 end;
 
procedure buttonM;
 begin
      plocha;
      okno(17,8,63,15,blue);clrscr;
      gotoxy(12,2);write('>>>   Key operating   <<<');gotoxy(1,1);
      gotoxy(5,4);write('[Alt]+[highlighted letter] - shortkeys');
      gotoxy(10,5);write('Arrows allows moving in menus.');
      textcolor(red);
      gotoxy(40,7);write('B');textcolor(black);write('ack');
 end;
 
procedure credM;
 begin
      plocha;
      okno(20,7,60,14,blue);clrscr;
      gotoxy(15,2);write('ZOZNAMCEK');
      gotoxy(2,4);write('Copyrighted (c) 2006 Bloodgarbage soft.');
      gotoxy(10,5);write('Developer Andrei Badinka');
      textcolor(red);gotoxy(33,7);write('B');textcolor(black);write('ack');
 end;
 
procedure versM;
 begin
      plocha;
      okno(25,8,55,13,blue);clrscr;
      gotoxy(2,2);write('Version 1.0.0.');
      gotoxy(2,3);write('Built on: 08.05.2006 04:15:36');
      gotoxy(23,5);textcolor(red);write('B');textcolor(black);write('ack');
 end;
 
procedure clear;
 begin okno(1,1,80,25,black);
 end;
 
 
procedure setcursor(s,e:byte);
 var regs:registers;
 begin
   regs.ah:=01;
   regs.cl:=e;
   regs.ch:=s;
   intr($10,regs);
 end;
procedure cursoroff;
 begin
   setcursor($20,$20);
 end;
 
 
{*****************************************************************************************}
{************************************************************** procedury so subormi      }
{*****************************************************************************************}
 
 
function skusksub(nazov:string):boolean;
 
 begin
      {$I-}
      assign(katalog,nazov); reset(katalog);{$I+}
      if ioresult=0 then begin skusksub:=true; close(katalog); end
                    else skusksub:=false;
 end;
 
procedure novysub;
 begin
      if otv=true then begin
                            close(katalog);
                            otv:=false;
                       end;
      plocha;
      okno(25,8,55,12,blue);clrscr;gotoxy(10,2);write('Name of file');
      okno(27,11,52,11,red);clrscr;readln(nazov);
      assign(katalog,nazov);rewrite(katalog);otv:=true;plocha;
 end;
 
procedure otvsub;
 begin
      if otv=true then begin
                            close(katalog);
                            otv:=false;
                       end;
      plocha;
      okno(25,8,55,12,blue);clrscr;gotoxy(10,2);write('Name of file');
      okno(27,11,52,11,red);clrscr;readln(nazov);
      if skusksub(nazov) then begin
                                  assign(katalog,nazov);
                                  reset(katalog);otv:=true;plocha;
                             end
                        else begin
                                  plocha;
                                  okno(25,8,55,12,red);clrscr;
                                  gotoxy(5,2);write('File "',nazov,'.dat" not found!!!');
                                  gotoxy(25,4);textcolor(yellow);write('B');
                                                    textcolor(black);write('ack');readkey;plocha;
                             end;
 end;
 
procedure vlozTstud;
 var st:Tstudent;
 begin
      with st do
       begin
            plocha;
            okno(20,7,50,12,blue); clrscr;okno(21,8,49,12,blue);clrscr;
            writeln('Name:':7);readln(meno);clrscr;
            writeln('Surname:':10);readln(priezvisko);clrscr;
            writeln('Field of study:':17);readln(odbor);clrscr;
            writeln('Class:':8);readln(kruzok);clrscr;
            writeln('Favour (1 up to 5):':20);readln(obluba);clrscr;
       end;
      seek(katalog,filesize(katalog));
      write(katalog,st);
      plocha;
 end;
 
procedure upravTstud;
 var porcis:byte;
     st:Tstudent;
 begin
      plocha;
      okno(18,8,60,12,blue);clrscr;
      gotoxy(4,2);writeln('Write number of student to edit');
      okno(25,11,44,11,red);readln(porcis);plocha;
      if (porcis<1) or (porcis>FileSize(katalog)) then
         begin
              okno(15,9,65,11,blue);clrscr;okno(16,10,62,10,red);clrscr;
              gotoxy(2,1);
              write(' Student with number ',porcis,' not found!!!  (B)ack ');
         end
        else begin
                  seek(katalog,porcis-1);
                  okno(20,5,60,15,blue);
                  gotoxy(10,2);write('Student');
                  with st do
                   begin
                        read(katalog,st);
                        gotoxy(5,4);write('Name: ',meno,'  Surname: ',priezvisko);
                        gotoxy(6,5);write('Field of study: ',odbor);
                        gotoxy(6,6);write('Class: ',kruzok);
                        gotoxy(6,7);write('Favour: ',obluba);
                        gotoxy(4,9);textcolor(red);write('E');
                                    textcolor(black);write('dit???');
                        gotoxy(30,9);textcolor(red);write('B');
                                     textcolor(black);write('ack');
                   end;
                   key:=readkey;
                   if key=#0 then key:=readkey;
                   case key of
                            AltB: begin
                                       plocha;
                                       okno(25,8,55,12,blue);clrscr;
                                       gotoxy(5,2);write('Student left unchanged.');
                                       gotoxy(25,4);textcolor(red);write('B');
                                                    textcolor(black);write('ack');
                                  end;
                            AltE: begin
                                       seek(katalog,porcis-1);
                                       okno(20,5,60,16,blue);read(katalog,st);
                                       with st do
                                         begin
                                              gotoxy(10,2);write('What do you want to change:');
                                              gotoxy(16,4);textcolor(red);write('N');
                                                   textcolor(black);write('ame: ',meno);
                                              gotoxy(16,5);textcolor(red);write('  S');
                                                   textcolor(black);write('urname: ',priezvisko);
                                              gotoxy(16,6);textcolor(red);write('F');
                                                   textcolor(black);write('ield of study: ',odbor);
                                              gotoxy(16,7);textcolor(red);write('C');
                                                   textcolor(black);write('lass: ',kruzok);
                                              gotoxy(16,8);textcolor(black);write('Favour: ',obluba);
                                              gotoxy(17,8);textcolor(red);write('a');
                                              gotoxy(35,10);textcolor(red);write('B');
                                                    textcolor(black);write('ack');
                                        end;
                                        key:=readkey;
                                        if key=#0 then key:=readkey;
                                        with st do
                                        begin
                                         case key of
                                                 AltN: begin
                                                            okno(25,8,55,12,blue);clrscr;
                                                            gotoxy(5,2);write('Write the new name:');
                                                            okno(26,10,54,10,red);clrscr;readln(meno);plocha;
                                                       end;
                                                 AltS: begin
                                                            okno(25,8,55,12,blue);clrscr;
                                                            gotoxy(5,2);write('Write the new surname:');
                                                            okno(26,10,54,10,red);clrscr;readln(priezvisko);plocha;
                                                       end;
                                                 AltF: begin
                                                            okno(25,8,55,12,blue);clrscr;
                                                            gotoxy(3,2);write('Write the new field of study:');
                                                            okno(26,10,54,10,red);clrscr;readln(odbor);plocha;
                                                       end;
                                                 AltC: begin
                                                            okno(25,8,55,12,blue);clrscr;
                                                            gotoxy(5,2);write('Write the new class:');
                                                            okno(26,10,54,10,red);clrscr;readln(kruzok);plocha;
                                                       end;
                                                 AltA: begin
                                                            okno(25,8,55,12,blue);clrscr;
                                                            gotoxy(5,2);write('Write the new favour:');
                                                            okno(26,10,54,10,red);clrscr;readln(obluba);plocha;
                                                       end;
                                                 AltB: begin
                                                            plocha;
                                                            okno(25,8,55,12,blue);clrscr;
                                                            gotoxy(5,2);write('Student left unchanged.');
                                                            gotoxy(25,4);textcolor(red);write('B');
                                                            textcolor(black);write('ack');
                                                       end;
                                        end;
                                       end;
                                       if key<>AltB then
                                       begin
                                            seek(katalog,porcis-1);
                                            write(katalog,st);
                                            okno(25,8,55,12,blue);clrscr;
                                            gotoxy(5,2);write('Student was changed.');
                                            gotoxy(25,4);textcolor(red);write('B');
                                            textcolor(black);write('ack');
                                       end;
                                  end;
                   end;
             end;
 end;
 
procedure zmazTstud;
 var st:Tstudent;
     porcis,pom:byte;
     volba:char;i:byte;
 begin
      plocha;
      okno(18,8,60,12,blue);clrscr;
      gotoxy(4,2);writeln('Write number of student to delete');
      okno(25,11,44,11,red);readln(porcis);plocha;
      if (porcis<1) or (porcis>FileSize(katalog)) then
         begin
              okno(15,8,65,12,blue);clrscr;okno(18,10,62,10,red);clrscr;
              gotoxy(2,1);
              write(' Student with number ',porcis,' not found!!!  (B)ack ');
         end
        else begin
                  seek(katalog,porcis-1);
                  okno(20,5,60,15,blue);
                  gotoxy(10,2);write('Student');
                  with st do
                   begin
                        read(katalog,st);
                        gotoxy(5,4);write('Name: ',meno,'  Surname: ',priezvisko);
                        gotoxy(6,5);write('Field of study: ',odbor);
                        gotoxy(6,6);write('Class: ',kruzok);
                        gotoxy(6,7);write('Favour: ',obluba);
                        gotoxy(4,9);textcolor(red);write('D');
                                    textcolor(black);write('elete???');
                        gotoxy(30,9);textcolor(red);write('B');
                                     textcolor(black);write('ack');
                   end;
                   repeat
                   key:=readkey;
                   if key=#0 then key:=readkey;
                   case key of
                            AltB: begin
                                       plocha;
                                       okno(25,8,55,12,blue);clrscr;
                                       gotoxy(5,2);write('Student left unchanged.');
                                       gotoxy(25,4);textcolor(red);write('B');
                                                    textcolor(black);write('ack');
                                  end;
                            AltD: begin
                                       for i:=porcis to filesize(katalog)-1 do
                                           begin
                                                Read(Katalog,sT);
                                                Seek(katalog,I-1);
                                                write(Katalog,sT);
                                                Seek(Katalog,I+1);
                                           end;
                                       seek(katalog,filesize(katalog)-1);
                                       truncate(katalog);
                                       plocha;
                                       okno(25,8,55,12,blue);clrscr;
                                       gotoxy(5,2);write('Student was deleted.');
                                       gotoxy(25,4);textcolor(red);write('B');
                                                    textcolor(black);write('ack');
                                  end;
                    end;
                   until (key=AltD) or (key=AltB);
             end;
 end;
 
procedure urobtxt;
 var txt:text;
     textak:string;st:Tstudent;
     porcis,i:byte;
 begin
      plocha;
      okno(25,8,55,12,blue);clrscr;gotoxy(8,2);write('Name of text file');
      okno(27,11,52,11,red);clrscr;readln(textak);plocha;
      textak:=textak+'.txt';
      assign(txt,textak);rewrite(txt);
      writeln(txt);
      write(txt,'List of students from file ',nazov,'.dat');
      writeln(txt);writeln(txt);
      writeln(txt,'Students:':13);writeln(txt);
      writeln(txt,' ':5,'Name':10,'Surname':20,'Field of study':25,'Class':13,' Favour');
      writeln(txt);
      for porcis:=1 to filesize(katalog) do
          begin
               seek(katalog,porcis-1);
               read(katalog,st);
               with st do
                begin
                     writeln(txt,porcis:5,' ':3,
                           Meno,' ':20-length(meno),
                           priezvisko,' ':20-length(priezvisko),
                           odbor,' ':20-length(odbor),
                           kruzok,' ':7-length(kruzok),
                           obluba,' ':3);
                end;
          end;
      close(txt);
 end;
 
 
                                      {-------------------------------------}
                                      {-------------------------zac programu}
 
 
begin 
textbackground(black);
clrscr;
koniec:=false;otv:=false;
cursoroff;
plocha;{HM};
repeat
      key:=readkey;
      if key=#0 then key:=readkey;
      case key of
               AltQ: begin
                          key:=#0;
                          repeat
                          okno(25,9,50,11,red);clrscr;
                          gotoxy(4,1);write('                     ');
                          gotoxy(4,2);write('  Really end??? Y/N  ');
                          gotoxy(4,3);write('                     ');
                          key:=readkey;
                          if (key='y')or(key='z') then begin
                                                            if otv=true then begin close(katalog);otv:=false;end;
                                                            koniec:=true;
                                                       end
                                     else plocha;
                          until (key='y')or(key='n')or(key='z');
 
                     end;
               AltF: begin
                          fileM;
                          key:=readkey;
                          if key=#0 then key:=readkey;
                          case key of
                                   AltN: begin
                                              novysub;
                                         end;
                                   AltO: begin
                                              otvsub;
                                         end;
                                   AltM: begin
                                              if otv=true then begin
                                                                    urobtxt;
                                                               end;
                                         end;
                                   AltC: begin
                                              if otv=true then close(katalog);
                                              otv:=false;plocha;
                                         end;
                                   AltB: plocha; end;
                     end;
               AltE: begin
                          if otv=true then
                           begin
                            editM;
                            key:=readkey;
                            if key=#0 then key:=readkey;
                            case key of
                                   AltN: begin
                                              vlozTstud;
                                         end;
                                   AltE: begin
                                              upravTstud;
                                         end;
                                   AltD: begin
                                              zmazTstud;
                                         end;
                                   AltB: plocha; end;
                           end;
                     end;
               AltA: begin
                          aboutM;
                          key:=readkey;
                           if key=#0 then key:=readkey;
                           case key of
                                    AltC: begin
                                               credM;
                                          end;
                                    AltV: begin
                                               versM;
                                          end;
                                    AltB: plocha;
                           end;
                     end;
               AltU: begin
                          buttonM;
                          repeat
                           key:=readkey;
                           if key=#0 then key:=readkey;
                          until (key=AltB)or(key=esc);
                          plocha;
                     end;
               AltB: begin
                          plocha;
                     end;
      end;
 until koniec=true;
 
end.