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Main.pas
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Main.pas
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unit Main;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, Grids, Menus, jpeg, pngimage, ShellAPI, ComCtrls, System.UITypes,
System.Types, System.Win.Registry, System.Math, Vcl.AppEvnts;
type
TGridCell=record
Col, Row: Integer;
end;
type
TConfig=record
Bg: TColor;
Font: TColor;
FontName: string[255];
Criteria: Integer;
Alternative: Integer;
Filename: string[255];
Modified: Boolean;
Separator: Char;
SelRow: Integer;
SelCol: Integer;
Cell: TGridCell;
MinFill: Integer;
MaxFill: Integer;
DefaultDec: Integer;
ForceClose: Boolean;
end;
type
TGridSize=record
X, Y: Integer;
end;
type
TFormMain=class(TForm)
Grid: TStringGrid;
MainMenu: TMainMenu;
PopupMenu: TPopupMenu;
MainTable: TMenuItem;
SubNewFile: TMenuItem;
SubEmpty: TMenuItem;
SubFill: TMenuItem;
SubFormat: TMenuItem;
SubSaveAs: TMenuItem;
MainFile: TMenuItem;
SaveTable: TSaveDialog;
MainTools: TMenuItem;
SubEnumerate: TMenuItem;
SubOpen: TMenuItem;
OpenTable: TOpenDialog;
SubFontSize: TMenuItem;
SubIncFont: TMenuItem;
SubDecFont: TMenuItem;
MainAbout: TMenuItem;
SubExit: TMenuItem;
SubSave: TMenuItem;
N1: TMenuItem;
MainWindow: TMenuItem;
SubMinimizeWin: TMenuItem;
Status: TStatusBar;
SubSettings: TMenuItem;
SubJump: TMenuItem;
MainMethod: TMenuItem;
SubCompromiseProg: TMenuItem;
SubResults: TMenuItem;
N2: TMenuItem;
SubAutoCells: TMenuItem;
SubRestart: TMenuItem;
N3: TMenuItem;
SubClose: TMenuItem;
SubAlternatives: TMenuItem;
SubPosition: TMenuItem;
SubCRL: TMenuItem;
SubAllResults: TMenuItem;
N4: TMenuItem;
SubView: TMenuItem;
SubFullscreen: TMenuItem;
SubStandard: TMenuItem;
SubAuthor: TMenuItem;
SubWebsite: TMenuItem;
PopDelete: TMenuItem;
SubFind: TMenuItem;
App: TApplicationEvents;
PopAdd: TMenuItem;
procedure GridKeyPress(Sender: TObject; var Key: Char);
procedure SubNewFileClick(Sender: TObject);
procedure SubEmptyClick(Sender: TObject);
procedure SubFillClick(Sender: TObject);
procedure MainTableClick(Sender: TObject);
procedure SubFormatClick(Sender: TObject);
procedure SubSaveAsClick(Sender: TObject);
procedure MainFileClick(Sender: TObject);
procedure MainToolsClick(Sender: TObject);
procedure SubEnumerateClick(Sender: TObject);
procedure SubOpenClick(Sender: TObject);
procedure SubIncFontClick(Sender: TObject);
procedure SubDecFontClick(Sender: TObject);
procedure FormShow(Sender: TObject);
procedure SubExitClick(Sender: TObject);
procedure SubMinimizeWinClick(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure SubJumpClick(Sender: TObject);
procedure MainWindowClick(Sender: TObject);
procedure SubSettingsClick(Sender: TObject);
procedure FormKeyPress(Sender: TObject; var Key: Char);
procedure SubAutoCellsClick(Sender: TObject);
procedure SubRestartClick(Sender: TObject);
procedure GridDrawCell(Sender: TObject; ACol, ARow: Integer;
Rect: TRect; State: TGridDrawState);
procedure GridKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
procedure StatusHint(Sender: TObject);
procedure SubResultsClick(Sender: TObject);
procedure SubCloseClick(Sender: TObject);
procedure SubAlternativesClick(Sender: TObject);
procedure SubPositionClick(Sender: TObject);
procedure SubCRLClick(Sender: TObject);
procedure SubFullscreenClick(Sender: TObject);
procedure SubStandardClick(Sender: TObject);
procedure SubSaveClick(Sender: TObject);
procedure SubCompromiseProgClick(Sender: TObject);
procedure FormClose(Sender: TObject; var Action: TCloseAction);
procedure SubWebsiteClick(Sender: TObject);
procedure SubAuthorClick(Sender: TObject);
procedure GridMouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
procedure GridSetEditText(Sender: TObject; ACol, ARow: Integer;
const Value: string);
procedure GridClick(Sender: TObject);
procedure GridMouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure PopDeleteClick(Sender: TObject);
procedure MenuDrawItem(Sender: TObject; ACanvas: TCanvas;
ARect: TRect; Selected: Boolean);
procedure MenuMeasureItem(Sender: TObject; ACanvas: TCanvas;
var Width, Height: Integer);
procedure SubFindClick(Sender: TObject);
procedure GridMouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure SubAllResultsClick(Sender: TObject);
procedure AppException(Sender: TObject; E: Exception);
procedure PopupMenuPopup(Sender: TObject);
procedure PopAddClick(Sender: TObject);
private
public
procedure Calculate;
procedure AcceptFiles(var Msg: TWMDropFiles); message WM_DROPFILES;
procedure OpenExFile(const Filename: string);
procedure SaveExFile(const Filename: string);
procedure SaveAsHTML(const StringGrid: TStringGrid; const Filename: string);
procedure GenerateGrid(const Cols, Rows: Integer; const ColWidth, RowHeight: Integer); overload;
procedure GenerateGrid(const Criteria, Alternatives: Integer); overload;
procedure EnumerateGrid;
procedure FormatCells;
procedure EmptyCells(const Forced: Boolean=False);
procedure FillCells(const Min: Integer=0; Max: Integer=0);
procedure JumpTo(const Criteria, Alternative: Integer);
procedure LoadConfig;
procedure AdaptToWidth(const IsBlank: Boolean=False);
procedure GetBitmap (const ABitmap: TBitmap);
procedure WriteConfig;
procedure InvokeBrowser(const Filename: string);
procedure SetSelection(const Col, Row: Integer);
procedure DeleteRow;
procedure DeleteColumn;
procedure SetModifiedState(const Value: Boolean=True);
procedure DoneCalculating(Sender: TObject);
procedure AddAlternative;
procedure AddCriteria;
function HasEmptyCells(const StringGrid: TStringGrid): Boolean;
function GetRelativeImportance(const Number: Integer): Double;
function GetDemand(const Number: Integer): Integer;
function GetMax(const Number: Integer): Double;
function GetMin(const Number: Integer): Double;
function GetDesiredValue(const Number: Integer): Double;
function GetNonDesiredValue(const Number: Integer): Double;
function GetSelectedValue(const Col, Row: Integer): Double;
function GetGridSize: TGridSize;
function GetNegativeColor(const InputColor: TColor): TColor;
function GetModifiedState: Boolean;
end;
const
MAX_FIELDS=300;
var
FormMain: TFormMain;
Config: TConfig;
HTML_Icon: TBytes;
implementation
{$R *.dfm}
{$SetPEFlags IMAGE_FILE_RELOCS_STRIPPED}
{$SetPEFlags IMAGE_FILE_LINE_NUMS_STRIPPED}
{$SetPEFlags IMAGE_FILE_LOCAL_SYMS_STRIPPED}
{$SetPEFlags IMAGE_FILE_DEBUG_STRIPPED}
{$SetPEFlags IMAGE_FILE_EXECUTABLE_IMAGE}
uses Settings, Results, Lists, PositionList, About, Find;
procedure TFormMain.OpenExFile(const Filename: string);
var
FS: TFileStream;
Crit, Alt, I, J: Integer;
Data: Double;
begin
Grid.Hide;
Status.SimpleText:='Učitavanje datoteke u toku...';
FS:=TFileStream.Create(Filename, fmOpenRead);
try
FS.Read(Crit, 4);
FS.Read(Alt, 4);
If (Crit<1) Or (Crit>MAX_FIELDS) Or (Alt<1) Or (Alt>MAX_FIELDS) Then
begin
MessageBeep(MB_ICONERROR);
MessageDlg('Datoteka nije validna!', mtError, [mbOK], 0, mbOK);
Status.SimpleText:='';
Exit;
end;
GenerateGrid(Crit, Alt);
For I:=1 To Grid.ColCount-1 Do
For J:=1 To Grid.RowCount-1 Do
begin
FS.Read(Data, SizeOf(Double));
If Data=INFINITE Then
Grid.Cells[I, J]:=''
Else
Grid.Cells[I, J]:=FloatToStr(Data);
end;
finally
FS.Free;
end;
Config.Criteria:=Crit;
Config.Alternative:=Alt;
Status.SimpleText:='Učitana datoteka: '+ExtractFileName(Filename);
Caption:='CalculusEx - '+Copy(ChangeFileExt(ExtractFileName(Filename), ''), 1, 50);
AdaptToWidth;
Grid.Show;
Config.Filename:=Filename;
end;
procedure TFormMain.PopAddClick(Sender: TObject);
begin
If (Config.SelCol>2) Then
AddAlternative
Else
If (Config.SelRow>0) Then
AddCriteria;
SetSelection(-1, -1);
end;
procedure TFormMain.PopDeleteClick(Sender: TObject);
begin
If (Config.SelCol>2) Then
DeleteColumn
Else
If (Config.SelRow>0) Then
DeleteRow;
SetSelection(-1, -1);
end;
procedure TFormMain.PopupMenuPopup(Sender: TObject);
begin
If Config.SelCol>2 Then
begin
PopDelete.Caption:='Izbriši alternativu';
PopAdd.Caption:='Dodaj alternativu';
end
Else
If Config.SelRow>0 Then
begin
PopDelete.Caption:='Izbriši kriterijum';
PopAdd.Caption:='Dodaj kriterijum';
end;
end;
procedure TFormMain.SaveExFile(const Filename: string);
var
FS: TFileStream;
I, J: Integer;
Data: Double;
begin
FS:=TFileStream.Create(ChangeFileExt(FileName, '.cxf'), fmCreate);
try
FS.Write(Config.Criteria, 4);
FS.Write(Config.Alternative, 4);
For I:=1 To Grid.ColCount-1 Do
For J:=1 To Grid.RowCount-1 Do
begin
If Length(Grid.Cells[I, J])>0 Then
Data:=StrToFloat(Grid.Cells[I, J])
Else
Data:=INFINITE;
FS.Write(Data, SizeOf(Double));
end;
finally
Config.Filename:=String(ChangeFileExt(FileName, '.cxf'));
FS.Free;
end;
end;
procedure TFormMain.SaveAsHTML(const StringGrid: TStringGrid; const Filename: string);
var
HTMLFile: TStringStream;
Data: String;
rgbBg, rgbText: string;
TD, TR: Integer;
begin
Config.Filename:=ChangeFileExt(Filename, '.html');
rgbBg:='rgb('+GetRValue(ColorToRGB(Config.Bg)).ToString+', '+GetGValue(ColorToRGB(Config.Bg)).ToString+', '+GetBValue(ColorToRGB(Config.Bg)).ToString+')';
rgbText:='rgb('+GetRValue(ColorToRGB(Config.Font)).ToString+', '+GetGValue(ColorToRGB(Config.Font)).ToString+', '+GetBValue(ColorToRGB(Config.Font)).ToString+')';
Data:=
'<!doctype html>'+#13#10+'<html>'
+#13#10+'<head>' +#13#10
+'<title>Metoda kompromisnog programiranja - '+ChangeFileExt(ExtractFileName(FileName), '')+'</title>'
+#13#10
+'<meta http-equiv="content-type" content="text/html; charset=UTF-8" />'
+#13#10
+'<meta charset="utf-8" />'+#13#10
+'<link rel="icon" href="'+TEncoding.UTF8.GetString(HTML_Icon)+'" />'
+#13#10
+'<style>'
+#13#10
+'table {margin: auto auto; table-layout: fixed; font-size: x-large; color: '+rgbText+';'
+' border: '+(StringGrid.Canvas.Pen.Width.toString)+'px solid rgb(0, 0, 0); text-align: center;}'
+#13#10
+'th {background-color:rgb(0, 132, 255); padding: 10px; border: '+(StringGrid.Canvas.Pen.Width.toString)+'px solid rgb(0, 0, 0);}'
+#13#10
+'tr {background-color: '+rgbBg+'; padding: 10px; border: '+(StringGrid.Canvas.Pen.Width.toString)+'px solid rgb(0, 0, 0);}'
+#13#10
+'td {border: '+(StringGrid.Canvas.Pen.Width.toString)+'px solid rgb(0, 0, 0);}'
+#13#10
+'</style>'
+#13#10+'</head>'
+#13#10
+'<body>'+#13#10
+'<table><caption>Metoda kompromisnog programiranja</caption>';
For TR:=0 To StringGrid.RowCount-1 Do
begin
Data:=Data+'<tr>';
For TD:=0 To StringGrid.ColCount-1 Do
If (TR>0) And (TD>0) Then
Data:=Data+'<td>'+StringGrid.Cells[TD, TR]+'</td>'
Else
Data:=Data+'<th>'+StringGrid.Cells[TD, TR]+'</th>';
Data:=Data+'</tr>';
end;
Data:=Data+'</table>'+#13#10+'</body>'+#13#10+'</html>';
HTMLFile:=TStringStream.Create(Data, TEncoding.UTF8);
try
HTMLFile.SaveToFile(String(Config.Filename));
finally
HTMLFile.Free;
end;
end;
procedure TFormMain.AcceptFiles(var Msg: TWMDropFiles);
var
Filename: Array[0..MAX_PATH] Of Char;
begin
DragQueryFile(Msg.Drop, 0, Filename, MAX_PATH);
OpenExFile(Filename);
DragFinish(Msg.Drop);
end;
procedure TFormMain.FormShow(Sender: TObject);
begin
DragAcceptFiles(Handle, True);
If FileExists(ParamStr(1)) Then
OpenExFile(ParamStr(1));
end;
procedure TFormMain.GenerateGrid(const Cols, Rows: Integer; const ColWidth, RowHeight: Integer);
begin
Grid.DefaultColWidth:=ColWidth;
Grid.DefaultRowHeight:=RowHeight;
If (Cols<=0) Or (Rows<=0) Then
begin
Grid.RowCount:=(ClientHeight Div Grid.DefaultRowHeight)-1;
Grid.ColCount:=(ClientWidth Div Grid.DefaultColWidth)-1;
end
Else
begin
Grid.RowCount:=Rows+1;
Grid.ColCount:=Cols+1;
end;
EnumerateGrid;
end;
procedure TFormMain.GenerateGrid(const Criteria: Integer; const Alternatives: Integer);
begin
Grid.ColCount:=Alternatives+3;
Grid.RowCount:=Criteria+1;
Grid.FixedCols:=1;
EnumerateGrid;
If (Assigned(Lists.FormList)) And (Assigned(PositionList.FormPosition)) Then
begin
Lists.FormList.Grid.ColCount:=4;
Lists.FormList.Grid.RowCount:=Alternatives+1;
PositionList.FormPosition.Grid.ColCount:=3;
PositionList.FormPosition.Grid.RowCount:=Alternatives+1;
end;
end;
procedure TFormMain.EnumerateGrid;
var
Cols, Rows, CurrAlt: Integer;
begin
CurrAlt:=1;
Grid.Perform(WM_SETREDRAW, 0, 0);
Grid.Cells[0, 0]:='Broj';
Grid.Cells[1, 0]:='W';
Grid.Cells[2, 0]:='Zahtev (0/1)';
For Cols:=3 To Grid.ColCount-1 Do
begin
Grid.Cells[Cols, 0]:='a'+IntToStr(CurrAlt);
Inc(CurrAlt);
end;
For Rows:=1 To Grid.RowCount-1 Do
Grid.Cells[0, Rows]:='f'+IntToStr(Rows);
Grid.Perform(WM_SETREDRAW, 1, 0);
Grid.Repaint;
Grid.Show;
end;
procedure TFormMain.FormatCells;
var
I, J: Integer;
NumDec: Integer;
StrNum: string;
begin
StrNum:=InputBox('Formatiranje podataka', 'Unesite broj decimala:', Config.DefaultDec.ToString);
If (Not TryStrToInt(StrNum, NumDec)) Or ((NumDec>16) Or (NumDec<0)) Then
begin
MessageBeep(MB_ICONERROR);
MessageDlg('Uneta vrednost nije validna!'+#13#10+'Unesite vrednost u rasponu od 0 do 16.', mtError, [mbOK], 0, mbOK);
Exit;
end;
If (NumDec>=0) And (NumDec<=16) Then
begin
Grid.Perform(WM_SETREDRAW, 0, 0);
For I:=3 To Grid.ColCount-1 Do
For J:=1 To Grid.RowCount-1 Do
begin
If Grid.Cells[I, J]<>'' Then
Grid.Cells[I, J]:=Format('%0.'+IntToStr(NumDec)+'f', [StrToFloat(Grid.Cells[I, J])]);
end;
AdaptToWidth;
end;
end;
procedure TFormMain.JumpTo(const Criteria: Integer; const Alternative: Integer);
begin
Grid.Col:=Alternative+2;
Grid.Row:=Criteria;
end;
procedure TFormMain.LoadConfig;
var
RegistryObj: TRegistry;
begin
RegistryObj:=TRegistry.Create;
try
RegistryObj.RootKey:=HKEY_LOCAL_MACHINE;
RegistryObj.OpenKey('SOFTWARE\NeoVisio\CalculusEx', False);
If (RegistryObj.ReadString('BgColor')<>'') Then
Config.Bg:=StringToColor(RegistryObj.ReadString('BgColor'));
If (RegistryObj.ReadString('TextColor')<>'') Then
Config.Font:=StringToColor(RegistryObj.ReadString('TextColor'));
If (RegistryObj.ReadString('FontName')<>'') Then
Config.FontName:= RegistryObj.ReadString('FontName');
If (RegistryObj.ReadInteger('FontSize')>4) And (RegistryObj.ReadInteger('FontSize')<501) Then
Grid.Canvas.Font.Size:=RegistryObj.ReadInteger('FontSize');
If (RegistryObj.ReadInteger('FormatNum')>-1) And (RegistryObj.ReadInteger('FormatNum')<10) Then
Config.DefaultDec:=RegistryObj.ReadInteger('FormatNum');
If (RegistryObj.ReadInteger('FillFrom')>-1) And (RegistryObj.ReadInteger('FillFrom')<MaxInt) Then
Config.MinFill:=RegistryObj.ReadInteger('FillFrom');
If (RegistryObj.ReadInteger('FillTo')>-1) And (RegistryObj.ReadInteger('FillTo')<MaxInt) Then
Config.MaxFill:=RegistryObj.ReadInteger('FillTo');
RegistryObj.CloseKey;
finally
RegistryObj.Free;
end;
end;
function TFormMain.GetRelativeImportance(const Number: Integer): Double;
begin
Result:=0;
If (Grid.RowCount>Number) Then
Result:=(Grid.Cells[1, Number]).ToDouble;
end;
function TFormMain.GetDemand(const Number: Integer): Integer;
begin
Result:=0;
If (Grid.RowCount>Number) Then
Result:=(Grid.Cells[2, Number].ToInteger);
end;
function TFormMain.GetMax(const Number: Integer): Double;
var
Col: Integer;
begin
Result:=0;
If (Grid.RowCount>Number) Then
For Col:=3 To Grid.ColCount-1 Do
If (Result<(Grid.Cells[Col, Number]).ToDouble) Then
Result:=(Grid.Cells[Col, Number].ToDouble);
end;
function TFormMain.GetMin(const Number: Integer): Double;
var
Col: Integer;
begin
Result:=(Grid.Cells[3, 1]).ToDouble;
If (Grid.RowCount>Number) Then
For Col:=3 To Grid.ColCount-1 Do
If (Result>(Grid.Cells[Col, Number]).ToDouble) Then
Result:=(Grid.Cells[Col, Number].ToDouble);
end;
function TFormMain.GetDesiredValue(const Number: Integer): Double;
begin
If (GetDemand(Number)=0) Then
Result:=GetMin(Number)
Else
Result:=GetMax(Number);
end;
function TFormMain.GetNonDesiredValue(const Number: Integer): Double;
begin
If (GetDemand(Number)=0) Then
Result:=GetMax(Number)
Else
Result:=GetMin(Number);
end;
function TFormMain.GetSelectedValue(const Col, Row: Integer): Double;
begin
Result:=0;
If (Grid.ColCount>Col) And (Grid.RowCount>Row) Then
Result:=(Grid.Cells[Col, Row].toDouble);
end;
function TFormMain.GetGridSize: TGridSize;
var
CellRect: TRect;
begin
CellRect:=Grid.CellRect(Grid.ColCount-1, Grid.RowCount-1);
Result.X:=CellRect.BottomRight.X;
Result.Y:=CellRect.BottomRight.Y;
end;
procedure TFormMain.GetBitmap(const ABitmap: TBitmap);
var
ControlCanvas: TControlCanvas;
Size: TGridSize;
begin
ControlCanvas:=TControlCanvas.Create;
Size:=GetGridSize;
try
ControlCanvas.Handle:=Grid.Canvas.Handle;
ABitmap.SetSize(Size.X, Size.Y);
BitBlt(ABitmap.Canvas.Handle, 0, 0, ABitmap.Width, ABitmap.Height, ControlCanvas.Handle, 0, 0, SRCCOPY);
finally
ReleaseDC(Grid.Handle, ControlCanvas.Handle);
ControlCanvas.Free;
end;
end;
procedure TFormMain.WriteConfig;
var
PC: TRegistry;
begin
PC:=TRegistry.Create;
try
PC.RootKey:=HKEY_LOCAL_MACHINE;
PC.OpenKey('SOFTWARE', False);
PC.OpenKey('NeoVisio', True);
PC.OpenKey('CalculusEx', True);
PC.WriteString('BgColor', ColorToString(Config.Bg));
PC.WriteString('TextColor', ColorToString(Config.Font));
PC.WriteString('FontName', String(Config.FontName));
PC.WriteInteger('FontSize', Grid.Canvas.Font.Size);
PC.WriteInteger('FormatNum', Config.DefaultDec);
PC.WriteInteger('FillFrom', Config.MinFill);
PC.WriteInteger('FillTo', Config.MaxFill);
PC.CloseKey;
finally
PC.Free;
end;
end;
procedure TFormMain.InvokeBrowser(const Filename: string);
var
Dialog: Integer;
begin
Dialog:=MessageDlg('Da li želite da pregledate HTML dokument?', mtConfirmation, [mbYes, mbNo], 0, mbNo);
If Dialog=mrYes Then
ShellExecute(Handle, 'open', PWideChar(Filename), Nil, Nil, SW_SHOWNORMAL);
end;
procedure TFormMain.SetSelection(const Col: Integer; const Row: Integer);
begin
If (Col>2) Or (Row>0) Then
Grid.PopupMenu:=PopupMenu
Else
Grid.PopupMenu:=Nil;
Config.SelRow:=Row;
Config.SelCol:=Col;
Grid.Repaint;
end;
function TFormMain.GetNegativeColor(const InputColor: TColor): TColor;
begin
Result:=RGB(255-GetRValue(InputColor), 255-GetGValue(InputColor), 255-GetBValue(InputColor))
end;
procedure TFormMain.DeleteRow;
var
I: Integer;
begin
If Config.SelRow<Grid.RowCount Then
begin
For I:=Config.SelRow To Grid.RowCount-2 Do
Grid.Rows[I].Assign(Grid.Rows[I+1]);
Grid.RowCount:=Grid.RowCount-1;
EnumerateGrid;
end;
end;
procedure TFormMain.DeleteColumn;
var
I: Integer;
begin
If Config.SelCol<Grid.ColCount Then
begin
For I:=Config.SelCol To Grid.ColCount-2 Do
Grid.Cols[I].Assign(Grid.Cols[I+1]);
Grid.ColCount:=Grid.ColCount-1;
EnumerateGrid;
end;
end;
procedure TFormMain.SetModifiedState(const Value: Boolean);
begin
If Config.Modified<>Value Then
Config.Modified:=Value;
end;
procedure TFormMain.AddAlternative;
begin
GenerateGrid(Config.Criteria, Config.Alternative+1);
Inc(Config.Alternative);
end;
procedure TFormMain.AddCriteria;
begin
GenerateGrid(Config.Criteria+1, Config.Alternative);
Inc(Config.Criteria);
end;
function TFormMain.GetModifiedState;
begin
Result:=Config.Modified;
end;
procedure TFormMain.DoneCalculating(Sender: TObject);
begin
Status.SimpleText:='';
Results.FormResults.Show;
end;
{********************************************************
*********************************************************}
procedure TFormMain.FormClose(Sender: TObject; var Action: TCloseAction);
Var
Dialog: Integer;
begin
If Config.ForceClose Then Exit;
If GetModifiedState Then
begin
Action:=caNone;
Beep;
Dialog:=MessageDlg('Da li želite da sačuvate aktivnu datoteku?', mtConfirmation, [mbYes, mbClose, mbCancel], 0, mbYes);
If Dialog=mrYes Then
begin
If FileExists(String(Config.Filename)) Then
SaveExFile(String(Config.Filename))
Else
SubSaveAs.Click;
end
Else
If Dialog=mrClose Then
begin
Action:=caFree;
DragAcceptFiles(Handle, False);
end;
end;
end;
procedure TFormMain.FormCreate(Sender: TObject);
var
Format: TFormatSettings;
RS: TResourceStream;
begin
{$FINITEFLOAT OFF}
SetErrorMode(SEM_FAILCRITICALERRORS);
LoadConfig;
Format:=FormatSettings;
Config.Separator:=Format.DecimalSeparator;
Application.OnException:=AppException;
SetModifiedState(False);
Screen.MenuFont.Style:=[fsBold];
Config.Cell.Col:=-1;
Config.Cell.Row:=-1;
If (FindResource(HInstance, 'html_icon', 'HTML')<>0) Then
begin
RS:=TResourceStream.Create(HInstance, 'html_icon', 'HTML');
try
SetLength(HTML_Icon, RS.Size);
RS.Read(HTML_Icon[0], RS.Size);
finally
RS.Free;
end;
end;
end;
procedure TFormMain.FormKeyPress(Sender: TObject; var Key: Char);
begin
If (Key=#116) Then
Repaint;
end;
procedure TFormMain.EmptyCells(const Forced: Boolean=False);
var
I, J: Integer;
begin
If Not Forced Then
MessageBeep(MB_ICONEXCLAMATION);
If ((Not Forced) And (MessageDlg('Da li ste sigurni da želite da ispraznite trenutnu tabelu?', mtConfirmation, [mbYes, mbNo], 0, mbYes)=mrYes)) Or (Forced) Then
begin
Grid.Perform(WM_SETREDRAW, 1, 0);
For I:=1 To Grid.ColCount-1 Do
For J:=1 To Grid.RowCount-1 Do
Grid.Cells[I, J]:='';
Grid.Perform(WM_SETREDRAW, 1, 0);
Grid.Repaint;
SetModifiedState;
end;
end;
procedure TFormMain.FillCells(const Min: Integer = 0; Max: Integer = 0);
var
I, J: Integer;
MaxVal, MinVal: Integer;
begin
Randomize;
MaxVal:=1000;
MinVal:=99;
If (Min>-1) And (Max>-1) And (Min<Max) Then
begin
MaxVal:=Max;
MinVal:=Min;
end;
Grid.Perform(WM_SETREDRAW, 0, 0);
For I:=1 To Grid.ColCount-1 Do
For J:=1 To Grid.RowCount-1 Do
If (I>2) Then
Grid.Cells[I, J]:=FloatToStr(StrToFloat(IntToStr(RandomRange(MinVal, MaxVal)+1)+Config.Separator+IntToStr(Random(99)+1)))
Else
If (I=2) Then
Grid.Cells[I, J]:=FloatToStr(StrToFloat(IntToStr(RandomFrom([0, 1]))))
Else
If (I=1) Then
Grid.Cells[I, J]:=FloatToStr(StrToFloat('0'+Config.Separator+IntToStr(RandomRange(1, 99))));
Grid.Perform(WM_SETREDRAW, 1, 0);
Grid.Repaint;
SetModifiedState;
end;
procedure TFormMain.AdaptToWidth(const IsBlank: Boolean=False);
var
I, J, CalculatedWidth, CalculatedHeight, TestWidth: Integer;
Size: TGridSize;
begin
Grid.Perform(WM_SETREDRAW, 0, 0);
If (Not IsBlank) Then
begin
CalculatedHeight:=Grid.Canvas.TextHeight('0')+4;
For I:=0 To Grid.ColCount-1 Do
begin
CalculatedWidth:=0;
For J:=0 To Grid.RowCount-1 Do
If (Length(Grid.Cells[I, J])>0) Then
begin
TestWidth:=(Grid.Canvas.TextWidth('0')*(Grid.Cells[I, J].Length+4));
If (TestWidth>CalculatedWidth) Then
CalculatedWidth:=TestWidth;
end;
Grid.ColWidths[I]:=CalculatedWidth;
end;
Grid.DefaultRowHeight:=CalculatedHeight;
end;
Size:=GetGridSize;
If (Screen.WorkAreaWidth>Size.X) And (Screen.WorkAreaHeight>Size.Y) Then
begin
Constraints.MinWidth:=Size.X;
Constraints.MinHeight:=Size.Y;
end
Else
begin
Constraints.MinWidth:=0;
Constraints.MinHeight:=0;
end;
Grid.Perform(WM_SETREDRAW, 1, 0);
Grid.Repaint;
Repaint;
end;
procedure TFormMain.AppException(Sender: TObject; E: Exception);
begin
If (E is EDivByZero) Or (E is EZeroDivide) Or (E is EInvalidOperation) Or (E is EMathError) Then
ShowMessage('Greška pri proračunu!'+#13#10+'Proverite unete podatke i pokušajte ponovo');
end;
function TFormMain.HasEmptyCells(const StringGrid: TStringGrid): Boolean;
var
I, J: Integer;
begin
Result:=False;
If (Not StringGrid.Visible) Then
begin
Result:=True;
Exit;
end;
For I:=1 To StringGrid.ColCount-1 Do
For J:=0 To StringGrid.RowCount-1 Do
If (StringGrid.Cells[I, J]='') Then
begin
Result:=True;
Exit;
end;
end;
procedure TFormMain.GridClick(Sender: TObject);
var
Col, Row: Integer;
begin
Col:=Grid.Col;
Row:=Grid.Row;
Config.Cell.Col:=-1;
Config.Cell.Row:=-1;
Config.SelCol:=-1;
Config.SelRow:=-1;
Grid.Repaint;
If (Col>-1) And (Row>-1) And (Grid.Cells[Col, Row]<>'') And (Grid.Cells[Col, Row]<>Status.SimpleText) Then
Status.SimpleText:='['+(Grid.Col.ToString)+', '+(Grid.Row.ToString)+'] = '+Grid.Cells[Col, Row];
end;
procedure TFormMain.GridDrawCell(Sender: TObject; ACol, ARow: Integer;
Rect: TRect; State: TGridDrawState);
var
CellString: string;
Format: Integer;
begin
Format:=(DT_VCENTER Or DT_CENTER Or DT_SINGLELINE);
CellString:=Grid.Cells[ACol, ARow];
Grid.Canvas.Brush.Color:=Config.Bg;
Grid.Canvas.Font.Color:=Config.Font;
Grid.Canvas.Font.Name:=String(Config.FontName);
Grid.Canvas.Font.Style:=[];
If gdSelected In State Then
begin
Grid.Canvas.Brush.Color:=Config.Font;
Grid.Canvas.Font.Color:=Config.Bg;
end
Else
If gdFixed In State Then
begin
Grid.Canvas.Brush.Color:=$00FF9900;
Grid.Canvas.Font.Color:=clWhite;
Grid.Canvas.Font.Style:=[fsBold];
end;
If (Config.SelRow>0) And (ARow=Config.SelRow) Then
begin
Grid.Canvas.Brush.Color:=GetNegativeColor(Config.Bg);
Grid.Canvas.Font.Color:=GetNegativeColor(Config.Font);
Grid.Canvas.Font.Style:=[fsBold];
If (ACol=0) Or (ARow=0) Then
begin
Grid.Canvas.Brush.Color:=clBlue;
Grid.Canvas.Font.Color:=clWhite;
end;
end;
If (Config.SelCol>2) And (ACol=Config.SelCol) Then
begin
Grid.Canvas.Brush.Color:=GetNegativeColor(Config.Bg);
Grid.Canvas.Font.Color:=GetNegativeColor(Config.Font);
Grid.Canvas.Font.Style:=[fsBold];
If (ACol=0) Or (ARow=0) Then
begin
Grid.Canvas.Brush.Color:=clBlue;
Grid.Canvas.Font.Color:=clWhite;
end;
end;
If (Config.Cell.Col=ACol) And (Config.Cell.Row=ARow) Then
begin
Grid.Canvas.Brush.Color:=GetNegativeColor(Config.Bg);
Grid.Canvas.Font.Color:=GetNegativeColor(Config.Font);
Grid.Canvas.Font.Style:=[fsItalic, fsBold];
end;
Grid.Canvas.FillRect(Rect);
DrawText(Grid.Canvas.Handle, CellString, CellString.Length, Rect, Format);
end;
procedure TFormMain.GridKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
If Key=VK_F5 Then
Grid.Repaint;
end;
procedure TFormMain.GridKeyPress(Sender: TObject; var Key: Char);
var
Cell: string;
begin
Cell:=Grid.Cells[Grid.Col, Grid.Row];
If (Grid.Col=2) Then
begin
If ((Key<>'0') And (Key<>'1') And (Key<>#8)) Or ((Cell.Length>=1) And (Key<>#8)) Then
begin
Beep;
Key:=#0;
end;
end
Else
If (Not(Ord(Key) In ([48..57])) And (Not(Ord(Key) In [8..13])) And ((Key<>Config.Separator))
And (Not(Ord(Key)=45))) Then
begin
Beep;
Key:=#0;
end
Else
If (((Cell.CountChar(Config.Separator)>0) Or (Cell.Length<1)) And (Key=Config.Separator)) Then
begin
Beep;
Key:=#0;
end;
end;
procedure TFormMain.GridMouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
var
Col, Row: Integer;
Coords: TPoint;
begin
Grid.MouseToCell(X, Y, Col, Row);
ClientToScreen(Coords);
If (Col>2) Or (Row>0) Then
Grid.Options:=Grid.Options+[goColMoving, goRowMoving]
Else
Grid.Options:=Grid.Options-[goColMoving, goRowMoving];
end;
procedure TFormMain.GridMouseMove(Sender: TObject; Shift: TShiftState; X,