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| program dbms;
uses CRT, Graph;
type muzins=record
name:string[20];
composite:boolean;
class:char;
quantities:integer;
price:extended;
end;
var i,Xmax,Ymax:integer;
f,g:text;
a:array [1..15] of muzins;
b:string[15];
j:word;
s,q:string;
ch:char;
k:byte;
c:muzins;
p:pointer;
size:integer;
procedure GraphInit; {Start Graph Mode}
var Driver, Mode, Error: integer;
begin
Driver:=Detect;
InitGraph(Driver,Mode,'C:\langs\bp\bgi');
Error:=GraphResult;
if Error <> grOk then
begin
Writeln(GraphErrorMsg(Error));
repeat until KeyPressed;
Halt;
end;
Xmax:=GetMaxX; Ymax:=GetMaxY;
SetViewPort(0,0,XMax,Ymax,true);
end;
procedure Exterface;
begin
SetColor(yellow);
rectangle(0,0,Xmax,Ymax);
line(0,30,Xmax,30);
line(0,400,Xmax,400);
line(128,0,128,400);
line(256,0,256,400);
line(384,0,384,400);
line(512,0,512,400);
Setcolor(red);
SetTextStyle(0,0,0);
OuttextXY(30,10,'NAME');
OuttextXY(160,10,'COMPOSITE');
OuttextXY(300,10,'CLASS');
OuttextXY(410,10,'QUANTITIES');
OuttextXY(530,10,'MAX PRICE($)');
SetColor(yellow);
rectangle(30,420,150,450);
rectangle(180,420,300,450);
rectangle(330,420,450,450);
rectangle(480,420,600,450);
SetTextStyle(0,0,2);
OuttextXY(65,430,'LOAD');
OuttextXY(210,430,'SORT');
OuttextXY(350,430,'WRITE');
OuttextXY(520,430,'END');
SetColor(red);
OuttextXY(65,430,'L');
OuttextXY(210,430,'S');
OuttextXY(350,430,'W');
OuttextXY(520,430,'E');
SetFillStyle(0,black);
SetColor(yellow);
end;
procedure Display;
begin
SetTextStyle(0,0,0);
SetColor(yellow);
for i:=1 to 15 do
begin
Str(a[i].quantities,s);
Str(a[i].price:10:2,q);
OuttextXY(10,30+20*i,a[i].name);
if a[i].composite=false then OuttextXY(150,30+20*i,'false')
else OuttextXY(150,30+20*i,'true');
OuttextXY(300,30+20*i,a[i].class);
OutTextXY(430,30+20*i,s);
OutTextXY(530,30+20*i,q);
end;
end;
procedure Load;
begin
SetColor(yellow);
bar3d(30,320,150,420,0,true);
line(30,370,150,370);
SetTextStyle(0,0,0);
OutTextXY(40,340,'1 - data1.txt');
OutTextXY(40,390,'2 - data2.txt');
SetColor(red);
OutTextXY(40,340,'1');
OutTextXY(40,390,'2');
ch:=readkey;
case ch of
'1':assign(f,'data1.txt');
'2':assign(f,'data2.txt')
end;
reset(f);
bar(0,0,xMax,yMax);
Exterface;
for i:=1 to 15 do
begin
Readln(f,a[i].name,j,b,a[i].class,a[i].quantities,a[i].price);
if j=0 then a[i].composite:=false
else a[i].composite:=true;
end;
Display;
end;
procedure sort5;
begin
SetColor(yellow);
bar3d(300,320,400,420,0,true);
Line(300,370,400,370);
SetTextStyle(0,0,2);
OutTextXY(335,335,'UP');
OutTextXY(320,390,'DOWN');
SetColor(red);
OutTextXY(335,335,'U');
OutTextXY(320,390,'D');
ch:=readkey;
if ch='d' then
begin
for i:=1 to 15 do
begin
for k:=i+1 to 15 do
begin
if a[k].price > a[i].price then
begin
c:=a[k];
a[k]:=a[i];
a[i]:=c;
end;
end;
end;
end
else
begin
for i:=1 to 15 do
begin
for k:=i+1 to 15 do
begin
if a[k].price < a[i].price then
begin
c:=a[k];
a[k]:=a[i];
a[i]:=c;
end;
end;
end;
end;
end;
procedure sort4;
begin
SetColor(yellow);
bar3d(300,320,400,420,0,true);
Line(300,370,400,370);
SetTextStyle(0,0,2);
OutTextXY(335,335,'UP');
OutTextXY(320,390,'DOWN');
SetColor(red);
OutTextXY(335,335,'U');
OutTextXY(320,390,'D');
ch:=readkey;
if ch='d' then
begin
for i:=1 to 15 do
begin
for k:=i+1 to 15 do
begin
if a[k].quantities > a[i].quantities then
begin
c:=a[k];
a[k]:=a[i];
a[i]:=c;
end;
end;
end;
end
else
begin
for i:=1 to 15 do
begin
for k:=i+1 to 15 do
begin
if a[k].quantities < a[i].quantities then
begin
c:=a[k];
a[k]:=a[i];
a[i]:=c;
end;
end;
end;
end;
end;
procedure sort3;
begin
SetColor(yellow);
bar3d(300,320,400,420,0,true);
Line(300,370,400,370);
SetTextStyle(0,0,2);
OutTextXY(335,335,'UP');
OutTextXY(320,390,'DOWN');
SetColor(red);
OutTextXY(335,335,'U');
OutTextXY(320,390,'D');
ch:=readkey;
if ch='d' then
begin
for i:=1 to 15 do
begin
for k:=i+1 to 15 do
begin
if a[k].class > a[i].class then
begin
c:=a[k];
a[k]:=a[i];
a[i]:=c;
end;
end;
end;
end
else
begin
for i:=1 to 15 do
begin
for k:=i+1 to 15 do
begin
if a[k].class < a[i].class then
begin
c:=a[k];
a[k]:=a[i];
a[i]:=c;
end;
end;
end;
end;
end;
procedure sort2;
begin
SetColor(yellow);
bar3d(300,320,400,420,0,true);
Line(300,370,400,370);
SetTextStyle(0,0,2);
OutTextXY(335,335,'UP');
OutTextXY(320,390,'DOWN');
SetColor(red);
OutTextXY(335,335,'U');
OutTextXY(320,390,'D');
ch:=readkey;
if ch='d' then
begin
for i:=1 to 15 do
begin
for k:=i+1 to 15 do
begin
if a[k].composite > a[i].composite then
begin
c:=a[k];
a[k]:=a[i];
a[i]:=c;
end;
end;
end;
end
else
begin
for i:=1 to 15 do
begin
for k:=i+1 to 15 do
begin
if a[k].composite < a[i].composite then
begin
c:=a[k];
a[k]:=a[i];
a[i]:=c;
end;
end;
end;
end;
end;
procedure sort1;
begin
SetColor(yellow);
bar3d(300,320,400,420,0,true);
Line(300,370,400,370);
SetTextStyle(0,0,2);
OutTextXY(335,335,'UP');
OutTextXY(320,390,'DOWN');
SetColor(red);
OutTextXY(335,335,'U');
OutTextXY(320,390,'D');
ch:=readkey;
if ch='d' then
begin
for i:=1 to 15 do
begin
for k:=i+1 to 15 do
begin
if a[k].name < a[i].name then
begin
c:=a[k];
a[k]:=a[i];
a[i]:=c;
end;
end;
end;
end
else
begin
for i:=1 to 15 do
begin
for k:=i+1 to 15 do
begin
if a[k].name < a[i].name then
begin
c:=a[k];
a[k]:=a[i];
a[i]:=c;
end;
end;
end;
end;
end;
procedure Sort;
begin
SetFillStyle(0,black);
Bar3d(180,320,300,420,0,true);
SetTextStyle(0,0,0);
Line(180,340,300,340);
Line(180,360,300,360);
Line(180,380,300,380);
Line(180,400,300,400);
OutTextXY(185,325,'1.by name');
OutTextXY(185,345,'2.by composite');
OutTextXY(185,365,'3.by class');
OutTextXY(185,385,'4.by quantities');
OutTextXY(185,405,'5.by max price');
SetColor(red);
OutTextXY(185,325,'1.');
OutTextXY(185,345,'2.');
OutTextXY(185,365,'3.');
OutTextXY(185,385,'4.');
OutTextXY(185,405,'5.');
ch:=readkey;
case ch of
'1':sort1;
'2':sort2;
'3':sort3;
'4':sort4;
'5':sort5;
end;
Bar(0,0,xMax,yMax);
Exterface;
Display
end;
procedure Write;
var
c:byte;
d:string[15];
begin
Assign(g,'data2.txt');
Rewrite(g);
for i:=1 to 15 do
begin
if a[i].composite=true then c:=1
else c:=0;
d:=' ';
Writeln(g,a[i].name,c,b,a[i].class,d,a[i].quantities:5,d,a[i].price:10:2);
end;
close(g);
OutTextXY(360,455,'done');
rectangle(330,450,450,470);
end;
procedure ProcessKeys;
begin
ch:=readkey;
case ch of
'l':load;
's':sort;
'w':write;
'e':halt;
end;
end;
begin
GraphInit;
Exterface;
while true do ProcessKeys;
end. |
(
Сообщение от dushebekov
