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CALC.PAS
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CALC.PAS
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{/////////////////////////////////////////////////////////////////////////
//
// Dos Navigator Version 1.51 Copyright (C) 1991-99 RIT Research Labs
//
// This programs is free for commercial and non-commercial use as long as
// the following conditions are aheared to.
//
// Copyright remains RIT Research Labs, and as such any Copyright notices
// in the code are not to be removed. If this package is used in a
// product, RIT Research Labs should be given attribution as the RIT Research
// Labs of the parts of the library used. This can be in the form of a textual
// message at program startup or in documentation (online or textual)
// provided with the package.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// 3. All advertising materials mentioning features or use of this software
// must display the following acknowledgement:
// "Based on Dos Navigator by RIT Research Labs."
//
// THIS SOFTWARE IS PROVIDED BY RIT RESEARCH LABS "AS IS" AND ANY EXPRESS
// OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// The licence and distribution terms for any publically available
// version or derivative of this code cannot be changed. i.e. this code
// cannot simply be copied and put under another distribution licence
// (including the GNU Public Licence).
//
//////////////////////////////////////////////////////////////////////////}
unit Calc;
interface
uses Objects, Views, CellsCol, Drivers, Dialogs, Par, Messages,
HistList, UniWin, Commands, DNHelp, RStrings, ObjType;
const
CellClipboard : PCellCollection = nil;
ClipRect : record A, B: TPoint; end = (A:(X:0; Y:0); B:(X:0; Y:0));
FalseStr : String[10] = 'False';
TrueStr : String[10] = 'True';
type
PCalcView = ^TCalcView;
PCalcWindow = ^TCalcWindow;
TCalcWindow = object(TUniWindow)
Name: String;
CalcView: PCalcView;
constructor Init(Bounds: TRect; AName: String);
constructor Load(var S: TStream);
procedure Store(var S: TStream);
procedure HandleEvent(var Event: TEvent); virtual;
end;
TCalcView = object(TView)
FocusEvent: TEvent;
Info, CellInfo: PView;
HScroll, VScroll: PScrollBar;
Delta, Cur, Mark: TPoint;
Cells: PCellCollection;
NumC: Byte;
Error, ReError, Marking, BlockDraw, Modified: Boolean;
CellWidth: Array[Byte] of Byte;
CurrentCalc, SearchPos, ErrorCell: TPoint;
constructor Init(Bounds: TRect; AInfo, ACellInfo: PView;
AHScroll, AVScroll: PScrollBar);
destructor Done; virtual;
constructor Load(var S: TStream);
procedure Store(var S: TStream);
procedure Draw; virtual;
function Valid(Command: Word): Boolean; virtual;
procedure SetState(AState: Word; Enable: Boolean); virtual;
function GetPalette: PPalette; virtual;
procedure HandleEvent(var Event: TEvent); virtual;
Function GetCellValue( S : String) : Real;
Function GetFuncValue(P: FPtr) : Real;
Function CalcFormula( P : FPtr) : Real;
Function CalcFormulaTree( P : FPtr) : Real;
procedure CalcError( Index: TStrIdx ); virtual;
procedure ModifyCell(X, Y: Integer);
procedure LoadSheet(FName: TTitleStr);
procedure SaveSheet;
procedure SaveSheetAs;
function AskSave: Boolean;
procedure Copy; virtual;
procedure Paste; virtual;
procedure Clear; virtual;
procedure ReCalc;
procedure InsertLineCol(Command: Word); virtual;
procedure DeleteLineCol(Command: Word); virtual;
procedure GotoCell(Cell: String);
procedure SearchCell;
end;
PCalcInfo = ^TCalcInfo;
TCalcInfo = object(TInputLine)
CalcView: PCalcView;
constructor Load(var S: TStream);
procedure Store(var S: TStream);
function GetPalette: PPalette; virtual;
procedure HandleEvent(var Event: TEvent); virtual;
end;
PInfoView = ^TInfoView;
TInfoView = object(TView)
InfoStr: String;
InfoAttr: Byte;
constructor Load(var S: TStream);
procedure Store(var S: TStream);
procedure SetInfo(S: String; Attr: Byte);
procedure Draw; virtual;
end;
function GetFileName(var FileName: String; Mask, Title, ALabel: String; Buttons: Word): Word;
const
RCalcWindow: TStreamRec = (
ObjType: otCalcWindow;
VmtLink: Ofs(TypeOf(TCalcWindow)^);
Load: @TCalcWindow.Load;
Store: @TCalcWindow.Store);
RCalcView: TStreamRec = (
ObjType: otCalcView;
VmtLink: Ofs(TypeOf(TCalcView)^);
Load: @TCalcView.Load;
Store: @TCalcView.Store);
RCalcInfo: TStreamRec = (
ObjType: otCalcInfo;
VmtLink: Ofs(TypeOf(TCalcInfo)^);
Load: @TCalcInfo.Load;
Store: @TCalcInfo.Store);
RInfoView: TStreamRec = (
ObjType: otInfoView;
VmtLink: Ofs(TypeOf(Calc.TInfoView)^);
Load: @Calc.TInfoView.Load;
Store: @Calc.TInfoView.Store);
implementation
uses Memory, Dos, DNApp, DNStdDlg, Advance, MicroEd;
const SearchData: record S: String[240]; CellOptions, TxtOptions: Word; end =
(S:''; CellOptions:0; TxtOptions:0);
ReplaceData: record S, S1: String[240]; CellOptions, TxtOptions: Word; end =
(S:''; S1:''; CellOptions:0; TxtOptions:0);
WasReplace: Boolean = False;
ContSearch: Boolean = False;
SearchCanceled: Boolean = False;
function GetFileName(var FileName: String; Mask, Title, ALabel: String; Buttons: Word): Word;
var S: PathStr;
D: PFileDialog;
B: Boolean;
C: Word;
begin
S := ''; B := False; if Mask = '' then begin Mask := x_x; B := False end;
D := PFileDialog(Application^.ValidView(New(PFileDialog,
Init(Mask, Title, ALabel, Buttons, 211))));
if D = nil then Exit;
if B then D^.SetData(S);
C := Desktop^.ExecView(D);
if C <> cmCancel then D^.GetFileName(S);
GetFileName := C;
Dispose(D, Done);
FileName := S;
end;
function ContainCell(Cell, Formula: String): Boolean;
const Signs = ['#','+','-','=','*','&','^','(',')','<','>', ';', ' ',
'%','[',']','{','}','!','|','/','\',',','?'];
var S1,S2: String;
C1,C2: String[5];
SheetName: String[8];
X, X1, X2: Byte;
Y, Y1, Y2: Integer;
I, J: Integer;
begin
ContainCell := False;
repeat I := PosChar('@', Formula); if I > 0 then Delete(Formula, I, 1); until I = 0;
I := 1; C1 := ''; C2 := ''; SheetName := ''{GetSheetName(Cell)};
While (I <= Length(Cell)) and (Cell[I] <= 'Z') and (Cell[I] >= 'A') do
begin C1 := C1 + Cell[I]; Inc(I) end;
C2 := Copy(Cell, I, 5); Cell := SheetName + C1 + C2;
if not GetCellCoord(Cell, X, Y) then Exit;
I := 1;
repeat
While (I <= Length(Formula)) and (Formula[I] in Signs) do Inc(I);
S1 := '';
While (I <= Length(Formula)) and not (Formula[I] in Signs) do
begin S1 := S1 + Formula[I]; Inc(I) end;
if (S1[1] = Cell[1]) and (S1 = Cell) then begin ContainCell := True; Exit end;
J := Pos(':', S1);
if J > 0 then
begin
S2 := Copy(S1, J + 1, 5);
S1[0] := Char(J-1);
if not GetCellCoord(S1, X1, Y1) then Exit;
if not GetCellCoord(S2, X2, Y2) then Exit;
if X1 > X2 then
asm mov AL, X1; mov AH, X2; mov X1, AH; mov X2, AL end;
if Y1 > Y2 then
asm mov AX, Y1; mov BX, Y2; mov Y1, BX; mov Y2, AX end;
if (X1 <= X) and (X <= X2) and (Y1 <= Y) and (Y <= Y2) then
begin ContainCell := True; Exit end;
end;
until I >= Length(Formula)
end;
{------------------------- TInfoView -------------------------}
constructor TInfoView.Load;
begin
inherited Load(S);
end;
procedure TInfoView.Store;
begin
inherited Store(S);
end;
procedure TInfoView.SetInfo;
begin
InfoStr := Copy(S, 1, Size.X);
InfoAttr := Attr;
DrawView;
end;
procedure TInfoView.Draw;
var B: TDrawBuffer;
begin
MoveChar(B, ' ', InfoAttr, Size.X);
MoveStr(B[Size.X - Length(InfoStr)], InfoStr, InfoAttr);
WriteLine(0, 0, Size.X, 1, B);
end;
{------------------------- TCalcWindow -------------------------}
constructor TCalcWindow.Init;
var R: TRect;
P, P1: PView;
begin
if AName = '' then Name := 'Untitled.WKZ' else Name := FExpand(AName);
TWindow.Init(Bounds, Name, 0);
Options := Options or ofTileable;
if LowMemory then Exit;
R.A.X := 1; R.A.Y := 5; R.B.X := 7; R.B.Y := Size.Y-1;
P := New(PStaticText, Init(R, '')); P^.Options := P^.Options or ofFramed;
P^.GrowMode := gfGrowHiY;
Insert(P);
R.A.X := 8; R.A.Y := 2; R.B.X := Size.X-1; R.B.Y := 4;
P := New(PStaticText, Init(R, '')); P^.Options := P^.Options or ofFramed;
P^.GrowMode := gfGrowHiX;
Insert(P);
GetExtent(R); R.Grow(-1,-1); R.B.Y := R.A.Y + 1;
P := PView(LoadResource(dlgWkzMenuBar));
P^.Locate(R);
P^.GrowMode := gfGrowHiX;
Insert(P);
GetExtent(R); R.Grow(-1,-1); Inc(R.A.Y);
R.B.Y := R.A.Y + 1; Inc(R.A.X, 7);
P := New(PCalcInfo, Init(R, 240));
P^.GrowMode := gfGrowHiX;
P^.Options := P^.Options or ofSelectable;
Insert(P);
R.Assign(1, 2, 7, 4);
P1 := New(PInfoView, Init(R));
PInfoView(P1)^.InfoStr := '';
PInfoView(P1)^.InfoAttr := GetColor(9);
P1^.Options := P1^.Options {or ofFramed};
Insert(P1);
GetExtent(R); R.Grow(-1,-1);
Inc(R.A.Y, 2);
CalcView := New(PCalcView, Init(R, P, P1,
MakeScrollBar(sbHorizontal + sbHandleKeyboard),
MakeScrollBar(sbVertical + sbHandleKeyboard)));
CalcView^.Options := CalcView^.Options;
Insert(CalcView);
CalcView^.LoadSheet(Title^);
end;
constructor TCalcWindow.Load;
begin
inherited Load(S);
S.Read(Name[0], 1);
S.Read(Name[1], Length(Name));
GetSubViewPtr(S, CalcView);
end;
procedure TCalcWindow.Store;
begin
inherited Store(S);
S.Write(Name[0], 1);
S.Write(Name[1], Length(Name));
PutSubViewPtr(S, CalcView);
end;
procedure TCalcWindow.HandleEvent;
begin
case Event.What of
evCommand: case Event.Command of
cmClose, cmQuit: if not CalcView^.AskSave then ClearEvent(Event);
end;
end;
inherited HandleEvent(Event);
end;
{----------------------------- TCalcInfo ---------------------------}
constructor TCalcInfo.Load;
begin
inherited Load(S);
GetPeerViewPtr(S, CalcView);
end;
procedure TCalcInfo.Store;
begin
inherited Store(S);
PutPeerViewPtr(S, CalcView);
end;
function TCalcInfo.GetPalette;
const S: String[4] = #13#13#14#13;
begin
GetPalette := @S;
end;
procedure TCalcInfo.HandleEvent;
function EndEdit: Boolean;
label 1,2;
var S, S1: String;
P: FPtr;
Hp: Pointer;
R: Real;
I: Integer;
begin
GetData(S); EndEdit := True;
with CalcView^ do
begin
Modified := On;
CurrentCalc.X := Delta.X + Cur.X; CurrentCalc.Y := Delta.Y + Cur.Y;
While S[Byte(S[0])] = ' ' do Dec(S[0]);
S1 := S; While (S1[1] = ' ') and (S1 <> '') do Delete(S1, 1, 1);
While Pos(' ', S1) > 0 do Delete(S1, Pos(' ', S1), 1);
System.Mark(Hp);
if (S1[1] = '=') and (S1[0] > #1) then
begin
P := GetFormula(System.Copy(S1, 2, 255));
if ErrOcc then
begin
Release(Hp);
S := ''; CalcView^.CalcError(erInvalidFormula);
EndEdit := False;
Goto 1;
end;
if not CellOccured then begin R := CalcFormula(P); Str(R:20:2, S);
While S[1] = ' ' do Delete(S, 1, 1);
Release(Hp);
if Error then begin S := ''; EndEdit := False; Goto 1 end;
with Cells^.ReplaceItem(Delta.X + Cur.X, Delta.Y + Cur.Y, S1)^ do
begin
Value := R;
if (Options and 3) = 0 then
begin
Options := coValue or coDec;
Decimals := 2;
end else Options := (Options and $FFFC) or coValue;
if ((Options shr 4) and 7) = 0 then
begin Options := Options or coDec;
Decimals := 2 end;
end;
ModifyCell(Delta.X + Cur.X, Delta.Y + Cur.Y);
EndEdit := not ReError;
Exit;
end
else begin
S := S1;
R := CalcFormula(P); Release(Hp);
if Error then begin S := ''; EndEdit := False; Goto 1 end;
S1 := UpCaseStr(DelSpaces(S));
with Cells^.ReplaceItem(Delta.X + Cur.X, Delta.Y + Cur.Y, S1)^ do
begin
Value := R;
if Options and 3 = 0 then
begin
Options := coFormula or coDec;
Decimals := 2;
end else Options := (Options and $FFFC) or coFormula;
if ((Options shr 4) and 7) = 0 then
begin Options := Options or coDec;
Decimals := 2 end;
end;
ModifyCell(Delta.X + Cur.X, Delta.Y + Cur.Y);
EndEdit := not ReError;
Exit;
end;
end else if S <> '' then
begin
Val(S, R, I);
if I = 0 then
begin
with Cells^.ReplaceItem(Delta.X + Cur.X, Delta.Y + Cur.Y, S)^ do
begin
Value := R;
if Options and 3 = 0 then
begin
Options := coValue or coLeft;
Decimals := 2;
end else Options := (Options and $FFFC) or coValue;
end;
ModifyCell(Delta.X + Cur.X, Delta.Y + Cur.Y);
EndEdit := not ReError;
Exit;
end;
end;
1:
if S = '' then Cells^.DelItem(Delta.X + Cur.X, Delta.Y + Cur.Y)
else with Cells^.ReplaceItem(Delta.X + Cur.X, Delta.Y + Cur.Y, S)^ do
begin
Options := Options and $FFFC;
Decimals := 0;
end;
end;
end;
procedure Transfer;
begin
CalcView^.FocusEvent := Event;
if EndEdit then PWindow(Owner)^.SelectNext(False);
ClearEvent(Event)
end;
begin
case Event.What of
evKeyDown : case Event.KeyCode of
kbUp, kbDown, kbPgUp, kbPgDn, kbCtrlPgUp,
kbCtrlPgDn, kbEnter: Transfer;
kbLeft: if CurPos = 0 then Transfer;
kbRight: if CurPos > Length(PString(Data)^) - 1 then Transfer;
kbTab: if not EndEdit then ClearEvent(Event);
end;
end;
TInputLine.HandleEvent(Event);
end;
{----------------------------- TCalcView ---------------------------}
constructor TCalcView.Init;
var I, J: Integer;
begin
TView.Init(Bounds);
HelpCtx := hcSpreadSheet;
HScroll := AHScroll; VScroll := AVScroll;
Options := Options or ofSelectable;
GrowMode := gfGrowHiX + gfGrowHiY;
EventMask := $FFFF; Info := AInfo; CellInfo := ACellInfo;
PCalcInfo(Info)^.CalcView := @Self;
FocusEvent.What := evNothing; FillChar(CellWidth, SizeOf(CellWidth), 11);
Marking := False; BlockDraw := False; Modified := Off;
Cells := nil;
Delta.X := 0; Delta.Y := 0;
Cur := Delta; Mark := Cur;
HScroll^.SetParams(0, 0, 255, 1, 1);
VScroll^.SetParams(0, 0, MaxCellY - 1, Size.Y - 3, 1);
end;
constructor TCalcView.Load;
begin
inherited Load(S);
GetPeerViewPtr(S, Info);
GetPeerViewPtr(S, CellInfo);
GetPeerViewPtr(S, HScroll);
GetPeerViewPtr(S, VScroll);
S.Read(Delta, SizeOf(Delta)*3);
S.Read(NumC, 6); {###}
S.Read(CellWidth, SizeOf(CellWidth));
S.Read(CurrentCalc, SizeOf(CurrentCalc)*3);
Cells := PCellCollection(S.Get);
FocusEvent.What := evNothing;
end;
procedure TCalcView.Store;
begin
inherited Store(S);
PutPeerViewPtr(S, Info);
PutPeerViewPtr(S, CellInfo);
PutPeerViewPtr(S, HScroll);
PutPeerViewPtr(S, VScroll);
S.Write(Delta, SizeOf(Delta)*3);
S.Write(NumC, 6); {###}
S.Write(CellWidth, SizeOf(CellWidth));
S.Write(CurrentCalc, SizeOf(CurrentCalc)*3);
S.Put(Cells);
end;
function TCalcView.Valid;
begin
Valid := Cells <> nil;
end;
procedure TCalcView.SetState;
begin
TView.SetState(AState, Enable);
if Enable and (AState and sfFocused <> 0) then DrawView;
if (AState and sfActive <> 0) then
if Enable then
begin
HScroll^.GrowTo(HScroll^.Size.X, 1);
VScroll^.GrowTo(1, VScroll^.Size.Y);
EnableCommands([cmUndo, cmCut, cmCopy, cmPaste, cmClear]);
end else
begin
HScroll^.GrowTo(HScroll^.Size.X, 0);
VScroll^.GrowTo(0, VScroll^.Size.Y);
end;
end;
function TCalcView.GetPalette;
const S: String[4] = #8#13#14;
begin
GetPalette := @S;
end;
type
TQArray = Array[0..80, 0..60] of Integer;
PQArray = ^TQArray;
const Q: PQArray = nil;
procedure TCalcView.Draw;
const Dig : String [26] = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
var
B, B1: Array[0..511] of Word;
BC: Array [0..127] of record C: Char; A: Byte; end Absolute B;
I, J, K, L: Integer;
C1, C2, C3: Byte;
S, S1: String;
P: PCellRec;
X1, X2, Y1, Y2: Integer;
CurPos: TPoint;
StX, EnX, A1, A2 : Byte;
label 1;
begin
if BlockDraw then Exit;
C1 := GetColor(1); C2 := GetColor(2); C3 := GetColor(3);
if Q = nil then New(Q);
1:
CurPos.X := Delta.X + Cur.X; CurPos.Y := Delta.Y + Cur.Y;
if CurPos.X > 255 then Cur.X := 255 - Delta.X;
if CurPos.Y >= MaxCellY then Cur.Y := MaxCellY - 1 - Delta.Y;
if Cur.Y < 0 then begin J := Cur.Y; Cur.Y := 0; VScroll^.SetValue(Delta.Y + J); Exit end;
if Cur.X < 0 then begin J := Cur.X; Cur.X := 0; HScroll^.SetValue(Delta.X + J); Exit end;
CurPos.X := Delta.X + Cur.X; CurPos.Y := Delta.Y + Cur.Y;
X1 := CurPos.X; X2 := Mark.X;
Y1 := CurPos.Y; Y2 := Mark.Y;
if X1 > X2 then
asm mov AX, X1; mov BX, X2; mov X1, BX; mov X2, AX end;
if Y1 > Y2 then
asm mov AX, Y1; mov BX, Y2; mov Y1, BX; mov Y2, AX end;
if Y2 > 4095 then Y2 := 4095;
MoveChar(B, ' ', C1, Size.X);
BC[6].C := '³';
MoveChar(B1, 'Ä', C1, Size.X);
WordRec(B1[6]).Lo := Byte('Å');
NumC := 0; I := 7; J := Delta.X; StX := I; EnX := Size.X;
While (I < Size.X) and (J <= HScroll^.Max) do
begin
K := CellWidth[J]; L := CellWidth[J + 1];
FillChar(S, K + 1, 32);
S[K] := '³';
if J < 26 then S[1 + K div 2] := Dig[J + 1]
else begin S[K div 2] := Dig[J div 26];
S[K div 2 + 1] := Dig[J mod 26 + 1] end;
S[0] := Char(K);
WordRec(B1[I + K - 1]).Lo := Byte('Á');
MoveStr(B[I], S, C1);
if J < X1 then Inc(StX, K);
if (J > X2) and (EnX > I) then EnX := I;
if (J = HScroll^.Max) and (J <= X2) then EnX := I + K;
Inc(J);
if I + K <= Size.X then Inc(NumC);
Inc(I, K);
end;
if NumC = 0 then NumC := 1;
if Cur.X >= NumC then
begin
J := Cur.X - NumC + 1;
Cur.X := NumC - 1;
HScroll^.SetValue(Delta.X + J);
Delta.X := HScroll^.Value;
Exit;
end;
PInfoView(CellInfo)^.SetInfo(GetCellName(CurPos.X, CurPos.Y), Owner^.GetColor(9));
FillChar(Q^, SizeOf(Q^), 255);
for I := 1 to Cells^.Count do
begin
P := Cells^.At(I - 1);
if (P^.Row >= Delta.Y) and (P^.Row < Delta.Y + Size.Y - 2) and
(P^.Col >= Delta.X) and (P^.Col < Delta.X + NumC + 3) then
Q^[P^.Col - Delta.X, P^.Row - Delta.Y] := I - 1;
end;
WriteBuf(6, 0, Size.X, 1, B[6]);
WriteBuf(0, 1, Size.X, 1, B1);
for I := 0 to Size.Y - 2 do
begin
MoveChar(B, ' ', C2, Size.X);
if Delta.Y + I <= VScroll^.Max then
begin
Str((Delta.Y + I + 1):5, S);
MoveStr(B, S, C1); L := 7;
for J := 0 to NumC + 2 do
begin
K := CellWidth[Delta.X + J];
if Q^[J, I] >= 0 then
begin
P := Cells^.At(Q^[J, I]);
if Size.X > L then
begin
FillChar(S, Size.X - L + 1, 32);
S[0] := Char(Size.X - L);
end;
case (P^.Options shr 4) and 7 of
0: S1 := P^.S;
1: Str(P^.Value:0:P^.Decimals, S1);
2: begin
Str(P^.Value:0:20, S1);
While S1[Length(S1)] = '0' do Dec(S1[0]);
if S1[Length(S1)] = '.' then Dec(S1[0]);
S1 := MakeComma(S1);
end;
3: begin
Str(P^.Value, S1);
A1 := Pos('E', S1);
if A1 > 0 then
begin
A2 := A1 - 1;
While (S1[A2] = '0') and
(S1[A2 - 1] <> '.') do Dec(A2);
Move(S1[A1], S1[A2 + 1], Length(S1) - A1 + 1);
Dec(S1[0], A1 - A2 - 1);
end;
end;
4:if P^.Value = 0 then S1 := FalseStr
else S1 := TrueStr;
5:begin
MakeCurrency(P^.Value, S1);
{Str(P^.Value:0:2, S1);
S1 := '$'+MakeComma(S1);}
end;
6:begin
Str((P^.Value*100):0:2, S1);
S1 := MakeComma(S1)+'%';
end;
7:S1 := '';
end;
if (P^.Options and $C = 0) or (Length(S1) > K) then Move(S1[1], S[1], Length(S1))
else if (P^.Options and $C = coLeft) then Move(S1[1],S[1 + K - Length(S1)], Length(S1))
else Move(S1[1],S[1 + (K - Length(S1)) div 2], Length(S1));
if L < 0 then L := 0;
MoveStr(B[L], S, C2);
end;
if (Cur.X = J) and (Cur.Y = I) then
begin
MoveColor(B[L], K, C3);
if Q^[J, I] >= 0 then
begin
P := Cells^.At(Q^[J, I]);
S := P^.S;
case P^.Options and 3 of
coText: WriteStr(0, 0, ' T ', 2);
coValue: WriteStr(0, 0, ' V ', 2);
coFormula: WriteStr(0, 0, ' F ', 2);
end;
end else
begin
WriteStr(0, 0, GetString(dlWKZ_Empty), 2);
S := '';
end;
PCalcInfo(Info)^.SetData(S);
Info^.Draw;
end;
L := L + K;
end;
end;
BC[6].C := '³'; BC[6].A := C1;
if (Delta.Y + I >= Y1) and (Delta.Y + I <= Y2) and (StX < EnX)
then MoveColor(B[StX], EnX - StX, C3);
WriteBuf(0, I + 2, Size.X, 1, B);
end;
end;
procedure TCalcView.HandleEvent;
var Inf: PCalcInfo;
S: String;
St: PStream;
MaxX, MaxY, K, L: Integer;
P: PCellRec;
FName: PathStr;
kbState: Byte absolute $0:$417;
X1, X2, Y1, Y2: Integer;
procedure ExportToFile;
var S, S1: String;
C: Array[0..255] of Integer;
P: PCellRec;
MaxLv, Maxr, I, J, K, L, A1, A2: Integer;
F: Text;
begin
if GetFileName(S, x_x, GetString(dlExportTitle), GetString(dlExportLabel),
fdOKButton+fdHelpButton) = cmCancel then Exit;
Assign(F, S); SetFAttr(F, Archive);
Rewrite(F);
MaxLv := 0;
for I := 1 to Cells^.Count do
begin
P := Cells^.At(I-1);
if MaxLv < P^.Row then MaxLv := P^.Row;
end;
for J := 0 to MaxLv do
begin
FillChar(C, Sizeof(C), 255); MaxR := 0;
for I := 1 to Cells^.Count do
begin P := Cells^.At(I-1); if J = P^.Row then C[P^.Col] := I-1;
if MaxR < P^.Col then MaxR := P^.Col; end;
for I := 0 to MaxR do
if C[I] >= 0 then
begin
P := Cells^.At(C[I]);
case (P^.Options shr 4) and 7 of
0: S1 := P^.S;
1: Str(P^.Value:0:P^.Decimals, S1);
2: begin
Str(P^.Value:0:20, S1);
While S1[Length(S1)] = '0' do Dec(S1[0]);
if S1[Length(S1)] = '.' then Dec(S1[0]);
S1 := MakeComma(S1);
end;
3: begin
Str(P^.Value, S1);
A1 := Pos('E', S1);
if A1 > 0 then
begin
A2 := A1 - 1;
While (S1[A2] = '0') and
(S1[A2 - 1] <> '.') do Dec(A2);
Move(S1[A1], S1[A2 + 1], Length(S1) - A1 + 1);
Dec(S1[0], A1 - A2 - 1);
end;
end;
4:if P^.Value = 0 then S1 := FalseStr
else S1 := TrueStr;
5:begin
MakeCurrency(P^.Value, S1);
{ Str(P^.Value:0:2, S1);
S1 := '$'+MakeComma(S1);}
end;
6:begin
Str((P^.Value*100):0:2, S1);
S1 := MakeComma(S1)+'%';
end;
7:S1 := '';
end;
FillChar(S[1], 255, ' ');
if (P^.Options and $C = 0) or (Length(S1) >= CellWidth[I]) then Move(S1[1], S[1], Length(S1))
else if (P^.Options and $C = coLeft) then Move(S1[1],S[1 + CellWidth[I] - Length(S1)], Length(S1))
else Move(S1[1],S[1 + (CellWidth[I] - Length(S1)) div 2], Length(S1));
K := CellWidth[I]; S[0] := #255;
while (I < MaxR) and (C[I+1] < 0) do
begin Inc(I); Inc(K, CellWidth[I]); end;
if K < Length(S1) then Write(F, System.Copy(S, 1, K))
else begin
if K > 255 then L := 255 else L := K;
Write(F, System.Copy(S,1,L));
repeat
Dec(K, L); if K > 255 then L := 255 else L := K;
if L <= 0 then Break;
Write(F, Strg(' ', L));
until K <= 0;
end;
end else
begin
K := CellWidth[I];
while (I < MaxR) and (C[I+1] < 0) do
begin Inc(I); Inc(K, CellWidth[I]); end;
if K > 255 then L := 255 else L := K;
Write(F, Strg(' ', L));
repeat
Dec(K, L); if K > 255 then L := 255 else L := K;
if L <= 0 then Break;
Write(F, Strg(' ', L));
until K <= 0;
end;
WriteLn(F);
end;
Close(F);
end;
procedure SetMark;
begin
if Marking then Exit;
Mark.X := Delta.X + Cur.X;
Mark.Y := Delta.Y + Cur.Y;
end;
procedure CheckMark;
begin
Marking := kbState and $3 <> 0
end;
procedure EndMarking;
begin Marking := False; SetMark; DrawView; ClearEvent(Event) end;
procedure ChangeFormat;
var R: record Display, Justify: Word; Dec: String[2]; Protect: Word; end;
I, J, X1, Y1, X2, Y2: Integer;
begin
ClearEvent(Event);
P := Cells^.Get(Delta.X + Cur.X, Delta.Y + Cur.Y);
if P = nil then begin FillChar(R, sizeof(R), 0); R.Dec := '2' end
else
begin
R.Display := (P^.Options shr 4) and 7;
R.Justify := (P^.Options shr 2) and 3;
Str(P^.Decimals, R.Dec);
R.Protect := (P^.Options shr 7) and 1;
end;
if ExecResource(dlgSetCellFormat, R) = cmOK then
begin
X1 := Delta.X + Cur.X; X2 := Mark.X;
Y1 := Delta.Y + Cur.Y; Y2 := Mark.Y;
if X1 > X2 then
asm mov AX, X1; mov BX, X2; mov X1, BX; mov X2, AX end;
if Y1 > Y2 then
asm mov AX, Y1; mov BX, Y2; mov Y1, BX; mov Y2, AX end;
Val(R.Dec, J, I);
for I := 1 to Cells^.Count do
begin
P := Cells^.At(I-1);
if (P^.Col >= X1) and (P^.Col <= X2) and (P^.Row >= Y1) and (P^.Row <= Y2)
then begin P^.Options := (P^.Options and 3)
or ((R.Justify and 3) shl 2)
or ((R.Display and 7) shl 4)
or ((R.Protect and 1) shl 7);
P^.Decimals := J;
end;
end;
end;
DrawView
end;
procedure CE; begin ClearEvent(Event) end;
begin
Inf := PCalcInfo(Info);
if GetState(sfFocused) and (FocusEvent.What <> evNothing) then
begin
PutEvent(Event); Event := FocusEvent; FocusEvent.What := evNothing;
end;
TView.HandleEvent(Event);
case Event.What of
evCommand: case Event.Command of
cmGetName: PString(Event.InfoPtr)^ := 'Speadsheet - '+PWindow(Owner)^.Title^;
cmImportToFile: begin ExportToFile; ClearEvent(Event) end;
cmSaveSheetAs: begin
SaveSheetAs; CE;
Owner^.ReDraw;
end;
cmSave: begin
SaveSheet; CE;
Owner^.ReDraw;
end;
cmOpen: begin
CE;
K := GetFileName(FName, '*.WKZ', GetString(dlOpenFile),
GetString(dlOpenFileName), fdOpenButton{ + fdReplaceButton{, hsLoadSheet, 0});
if K = cmCancel then Exit;
LoadSheet(FName);
end;
cmChangeWidth:
begin
repeat
GetKeyEvent(Event);
if Event.CharCode = #$e0 then Event.CharCode := #0;
case Event.KeyCode of
kbLeft: if CellWidth[Delta.X + Cur.X]> 1 then
begin Dec(CellWidth[Delta.X + Cur.X]);
DrawView end;
kbRight: if CellWidth[Delta.X + Cur.X]< ScreenWidth then
begin Inc(CellWidth[Delta.X + Cur.X]);
DrawView end;
end;
until (Event.KeyCode = kbESC) or (Event.KeyCode = kbEnter);
CE;
end;
cmChangeFormat: begin ChangeFormat; CE; end;
cmPaste: begin Paste; EndMarking end;
cmCopy: begin Copy; EndMarking end;
cmCut: begin Copy; Clear; EndMarking end;
cmClear: begin Clear; EndMarking end;
cmInsertLine, cmInsertColumn:
begin InsertLineCol(Event.Command); EndMarking end;
cmDeleteLine, cmDeleteColumn:
begin DeleteLineCol(Event.Command); EndMarking end;
cmRecalc: begin Recalc; DrawView; CE end;
cmGotoCell: begin
if HistoryCount(hsGotoCell) = 0 then S := 'A1'
else S := HistoryStr(hsGotoCell, 0);
if ExecResource(dlgGotoCellNumber, S) = cmOK
then GotoCell(S);
ClearEvent(Event); Exit
end;
cmFindCell: begin
if ExecResource(dlgFindCell, SearchData) = cmOK then
begin
SearchPos.X := -1; SearchPos.Y := 0;
WasReplace := False;
SearchCell;
end;
CE;
end;
cmSearchAgain: begin
SearchCanceled := False;
SearchPos.X := Delta.X + Cur.X;
SearchPos.Y := Delta.Y + Cur.Y;
repeat SearchCell
until not WasReplace or not ContSearch or SearchCanceled;
CE;
end;
cmReplaceCell: begin
L := ExecResource(dlgReplaceCell, ReplaceData);
if (L = cmYes) or (L = cmOK) then
begin
SearchData.S := ReplaceData.S;
SearchData.TxtOptions := ReplaceData.TxtOptions;
SearchData.CellOptions := ReplaceData.CellOptions;
SearchCanceled := False; ContSearch := L = cmYes;
SearchPos.X := -1; SearchPos.Y := 0;
WasReplace := True;
repeat SearchCell
until not WasReplace or not ContSearch or SearchCanceled;
end;
CE;
end;
end;
evKeyDown: case Event.KeyCode of
kbDoubleAlt: CE;
kbDel: begin Clear; EndMarking end;
kbLeft: if Cur.X > 0 then
begin
CheckMark;
Dec(Cur.X); SetMark;
DrawView;
CE; Exit
end else Exit;
kbRight: if (Cur.X < NumC) then
begin
CheckMark;
if (Delta.X + Cur.X = HScroll^.Max) then
begin if Cur.X > 0 then Dec(Cur.X); SetMark; Exit end;
Inc(Cur.X); SetMark; DrawView;