From 465e789692aa89d2f8a81535180a41fad6633863 Mon Sep 17 00:00:00 2001 From: jujibo Date: Tue, 13 Sep 2011 15:30:19 +0000 Subject: [PATCH] Create jujiboutils project. Basic files. git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@1938 8e941d3f-bd1b-0410-a28a-d453659cc2b4 --- components/jujiboutils/COPYING.LGPL | 481 +++++++++++++++ components/jujiboutils/about.txt | 4 + components/jujiboutils/changes.txt | 8 + .../examples/testmemdataset/jdbgridutils.pas | 554 ++++++++++++++++++ .../examples/testmemdataset/jdbutils.pas | 360 ++++++++++++ .../examples/testmemdataset/main.lfm | 193 ++++++ .../examples/testmemdataset/main.pas | 94 +++ .../testmemdataset/testmemdataset.lpi | 78 +++ .../testmemdataset/testmemdataset.lpr | 24 + components/jujiboutils/license-jujiboutils | 21 + 10 files changed, 1817 insertions(+) create mode 100644 components/jujiboutils/COPYING.LGPL create mode 100644 components/jujiboutils/about.txt create mode 100644 components/jujiboutils/changes.txt create mode 100644 components/jujiboutils/examples/testmemdataset/jdbgridutils.pas create mode 100644 components/jujiboutils/examples/testmemdataset/jdbutils.pas create mode 100644 components/jujiboutils/examples/testmemdataset/main.lfm create mode 100644 components/jujiboutils/examples/testmemdataset/main.pas create mode 100644 components/jujiboutils/examples/testmemdataset/testmemdataset.lpi create mode 100644 components/jujiboutils/examples/testmemdataset/testmemdataset.lpr create mode 100644 components/jujiboutils/license-jujiboutils diff --git a/components/jujiboutils/COPYING.LGPL b/components/jujiboutils/COPYING.LGPL new file mode 100644 index 000000000..92b8903ff --- /dev/null +++ b/components/jujiboutils/COPYING.LGPL @@ -0,0 +1,481 @@ + GNU LIBRARY GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1991 Free Software Foundation, Inc. + 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + +[This is the first released version of the library GPL. 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Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the + library `Frob' (a library for tweaking knobs) written by James Random Hacker. + + , 1 April 1990 + Ty Coon, President of Vice + +That's all there is to it! diff --git a/components/jujiboutils/about.txt b/components/jujiboutils/about.txt new file mode 100644 index 000000000..dec9c0288 --- /dev/null +++ b/components/jujiboutils/about.txt @@ -0,0 +1,4 @@ +JUJIBOUTILS +------------ + + diff --git a/components/jujiboutils/changes.txt b/components/jujiboutils/changes.txt new file mode 100644 index 000000000..ddfa62113 --- /dev/null +++ b/components/jujiboutils/changes.txt @@ -0,0 +1,8 @@ +JUJIBOUTILS +----------- + + + +Version pre-1.0 +-------------------------------------------------- +2011-09-13 Initial commit to lazarus-ccr diff --git a/components/jujiboutils/examples/testmemdataset/jdbgridutils.pas b/components/jujiboutils/examples/testmemdataset/jdbgridutils.pas new file mode 100644 index 000000000..fcafc457f --- /dev/null +++ b/components/jujiboutils/examples/testmemdataset/jdbgridutils.pas @@ -0,0 +1,554 @@ +{ jdbgridutils + + Copyright (C) 2011 Julio Jiménez Borreguero + Contact: jujibo at gmail dot com + + This library is free software; you can redistribute it and/or modify it + under the same terms as the Lazarus Component Library (LCL) + + See the file license-jujiboutils.txt and COPYING.LGPL, included in this distribution, + for details about the license. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + +} + +unit jdbgridutils; + +{$mode objfpc}{$H+} + +interface + +uses + Classes, SysUtils, Grids, Dialogs, StdCtrls, LCLType, DBGrids, Controls, DB; + +type + + { TJDbGridDateCtrl } + + TJDbGridDateCtrl = class(TObject) + private + Field: TField; + updated: boolean; + theValue: TDateTime; + fFormat: string; + function getFormat: string; + procedure myEditEnter(Sender: TObject); + procedure myEditOnEditingDone(Sender: TObject); + procedure formatInput; + procedure setFormat(const AValue: string); + procedure OnKeyPress(Sender: TObject; var key: char); + procedure OnKeyDown(Sender: TObject; var Key: word; Shift: TShiftState); + function IsValidDate(const Value: string): boolean; + public + CellEditor: TStringCellEditor; + theGrid: TDBGrid; + function isNull: boolean; + property format: string read getFormat write setFormat; + constructor Create; + destructor Destroy; + function Editor(aGrid: TDBGrid): TStringCellEditor; + end; + + { TJDbGridIntegerCtrl } + + TJDbGridIntegerCtrl = class(TObject) + private + theValue: integer; + updated: boolean; + Field: TField; + procedure myEditOnEnter(Sender: TObject); + procedure OnKeyPress(Sender: TObject; var key: char); + procedure OnKeyDown(Sender: TObject; var Key: word; Shift: TShiftState); + procedure myEditOnEditingDone(Sender: TObject); + function IsValidInteger(const Value: string): boolean; + public + CellEditor: TStringCellEditor; + theGrid: TDBGrid; + constructor Create; + destructor Destroy; + function Editor(aGrid: TDBGrid): TStringCellEditor; + end; + + { TJDbGridCurrencyCtrl } + + TJDbGridCurrencyCtrl = class(TObject) + private + Field: TField; + updated: boolean; + theValue: currency; + fDecimales: integer; + function getDecimales: integer; + procedure myEditOnEnter(Sender: TObject); + procedure myEditOnEditingDone(Sender: TObject); + procedure setDecimales(const AValue: integer); + procedure OnKeyPress(Sender: TObject; var key: char); + procedure OnKeyDown(Sender: TObject; var Key: word; Shift: TShiftState); + function redondear(const AValue: currency; const NDecimales: integer): currency; + function IsValidFloat(const Value: string): boolean; + public + CellEditor: TStringCellEditor; + theGrid: TDBGrid; + property decimales: integer read getDecimales write setDecimales; + constructor Create; + destructor Destroy; + function Editor(aGrid: TDBGrid; aDecimals: integer = 2): TStringCellEditor; + end; + +var + dateDbGridControl: TJDbGridDateCtrl; + integerDbGridControl: TJDbGridIntegerCtrl; + currencyDbGridControl: TJDbGridCurrencyCtrl; + +function replacechar(const s: string; ch1: char; ch2: char): string; +function countchar(const s: string; ch: char): integer; +procedure Split(const Delimiter: char; Input: string; Strings: TStrings); + +implementation + +uses + Math, dateutils; + +{ TJDbGridDateCtrl } + +function TJDbGridDateCtrl.getFormat: string; +begin + Result := fFormat; +end; + +procedure TJDbGridDateCtrl.myEditEnter(Sender: TObject); +begin + Field := theGrid.SelectedField; + CellEditor.BoundsRect := theGrid.SelectedFieldRect; + CellEditor.Text := Field.AsString; + CellEditor.OnKeyPress := @OnKeyPress; // Recuperamos el control :-p + CellEditor.OnKeyDown := @OnKeyDown; + theValue := Field.AsDateTime; + updated := False; + CellEditor.SelectAll; +end; + +procedure TJDbGridDateCtrl.myEditOnEditingDone(Sender: TObject); +begin + if Length(CellEditor.Caption) = 0 then + theValue := 0 + else + if IsValidDate(CellEditor.Caption) then + begin + if (not updated) then + begin + theValue := StrToDate(CellEditor.Caption); + Field.DataSet.Edit; + Field.AsDateTime := theValue; + end; + end + else + begin + ShowMessage(CellEditor.Caption + ' no es una fecha válida'); + CellEditor.Text := FormatDateTime(format, theValue); + end; + //formatInput; +end; + +procedure TJDbGridDateCtrl.formatInput; +begin + if theValue <> 0 then + CellEditor.Caption := FormatDateTime(format, theValue); +end; + +procedure TJDbGridDateCtrl.setFormat(const AValue: string); +begin + fFormat := AValue; + formatInput; +end; + +procedure TJDbGridDateCtrl.OnKeyPress(Sender: TObject; var key: char); +begin + if not (Key in ['0'..'9', #8, #9, '.', '-', '/']) then + Key := #0; +end; + +procedure TJDbGridDateCtrl.OnKeyDown(Sender: TObject; var Key: word; + Shift: TShiftState); +begin + if Length(CellEditor.Caption) <> 0 then + if (Key in [VK_RETURN, VK_TAB, VK_UP, VK_DOWN, VK_LEFT, VK_RIGHT]) and + (not IsValidDate(CellEditor.Caption)) then + begin + ShowMessage(CellEditor.Caption + ' no es una fecha válida' + + CellEditor.Text); + CellEditor.Text := FormatDateTime(format, theValue); + CellEditor.SelectAll; + Key := VK_UNKNOWN; + end + else + if key = VK_ESCAPE then + begin + if Field.IsNull then + CellEditor.Text := '' + else + CellEditor.Text := FormatDateTime(format, Field.AsDateTime); + updated := True; + theGrid.SetFocus; // No perder el foco + end + else + if Key in [VK_UP, VK_DOWN] then + begin + Key := VK_UNKNOWN; + end + else + if Key in [VK_RETURN, VK_TAB] then + begin + if Length(CellEditor.Caption) = 0 then + theValue := 0 + else + if IsValidDate(CellEditor.Caption) then + begin + theValue := StrToDate(CellEditor.Caption); + Field.DataSet.Edit; + Field.AsDateTime := theValue; + updated := True; + end; + end; +end; + +function TJDbGridDateCtrl.IsValidDate(const Value: string): boolean; +var + texto: string; + i: integer; + d, m, y: word; +begin + Result := False; + // normalize date + texto := CellEditor.Caption; + texto := replacechar(texto, '.', DateSeparator); + texto := replacechar(texto, '-', DateSeparator); + texto := replacechar(texto, '/', DateSeparator); + i := countchar(texto, DateSeparator); + decodedate(theValue, y, m, d); + case i of + 1: texto := texto + DateSeparator + IntToStr(y); + 0: texto := texto + DateSeparator + IntToStr(m) + DateSeparator + IntToStr(y); + end; + CellEditor.Caption := texto; + // comprobar que la fecha es valida + if StrToDateDef(texto, MaxDateTime) = MaxDateTime then + Result := False + else + Result := True; +end; + +function TJDbGridDateCtrl.isNull: boolean; +begin + Result := theValue = 0; +end; + +constructor TJDbGridDateCtrl.Create; +begin + CellEditor := TStringCellEditor.Create(nil); + CellEditor.OnEnter := @myEditEnter; + CellEditor.OnKeyDown := @OnKeyDown; + CellEditor.OnEditingDone := @myEditOnEditingDone; + CellEditor.OnKeyPress := @OnKeyPress; // se sobreescribe por el Grid :( + format := ShortDateFormat; +end; + +destructor TJDbGridDateCtrl.Destroy; +begin + CellEditor.Free; +end; + +function TJDbGridDateCtrl.Editor(aGrid: TDBGrid): TStringCellEditor; +begin + theGrid := aGrid; + Result := CellEditor; +end; + +{ TJDbGridCurrencyCtrl } + +function TJDbGridCurrencyCtrl.getDecimales: integer; +begin + Result := fDecimales; +end; + +procedure TJDbGridCurrencyCtrl.myEditOnEnter(Sender: TObject); +begin + Field := theGrid.SelectedField; + CellEditor.BoundsRect := theGrid.SelectedFieldRect; + CellEditor.Text := Field.AsString; + CellEditor.OnKeyPress := @OnKeyPress; // Recuperamos el control :-p + CellEditor.OnKeyDown := @OnKeyDown; + theValue := Field.AsCurrency; + updated := False; + CellEditor.SelectAll; +end; + +procedure TJDbGridCurrencyCtrl.myEditOnEditingDone(Sender: TObject); +begin + if IsValidFloat(CellEditor.Caption) then + begin + if (not updated) then + begin + theValue := StrToCurr(CellEditor.Caption); + Field.DataSet.Edit; + theValue := redondear(theValue, fDecimales); + Field.AsCurrency := theValue; + end; + end + else + begin + ShowMessage(CellEditor.Caption + ' no es un número válido'); + CellEditor.Text := FloatToStr(theValue); + end; +end; + +procedure TJDbGridCurrencyCtrl.setDecimales(const AValue: integer); +begin + if (AValue >= 0) and (AValue < 5) then + fDecimales := AValue; +end; + +procedure TJDbGridCurrencyCtrl.OnKeyPress(Sender: TObject; var key: char); +begin + if (Key in ['.', ',']) then + Key := Decimalseparator; + if (key = DecimalSeparator) and (Pos(key, CellEditor.Caption) > 0) then + key := #0; + if not (Key in ['0'..'9', DecimalSeparator, '+', '-', #8, #9]) then + Key := #0; + if (Key = DecimalSeparator) and (fDecimales = 0) then + Key := #0; +end; + +procedure TJDbGridCurrencyCtrl.OnKeyDown(Sender: TObject; var Key: word; + Shift: TShiftState); +begin + if (Key in [VK_RETURN, VK_TAB, VK_UP, VK_DOWN, VK_LEFT, VK_RIGHT]) and + (not IsValidFloat(CellEditor.Caption)) then + begin + ShowMessage(CellEditor.Caption + ' no es número válido'); + CellEditor.Text := FloatToStr(theValue); + CellEditor.SelectAll; + Key := VK_UNKNOWN; + end + else + if key = VK_ESCAPE then + begin + if Field.IsNull then + CellEditor.Text := '' + else + CellEditor.Text := CurrToStr(redondear(Field.AsCurrency, fDecimales)); + updated:= True; + theGrid.SetFocus; // No perder el foco + end + else + if key in [VK_UP, VK_DOWN] then + begin + Key := VK_UNKNOWN; + end + else + if Key in [VK_RETURN, VK_TAB] then + begin + if IsValidFloat(CellEditor.Caption) then + begin + theValue := StrToCurr(CellEditor.Caption); + Field.DataSet.Edit; + Field.AsCurrency := redondear(theValue, fDecimales); + CellEditor.Text:= Field.AsString; + updated := True; + end; + end; +end; + +function TJDbGridCurrencyCtrl.redondear(const AValue: currency; + const NDecimales: integer): currency; +begin + redondear := round(AValue * power(10, NDecimales)) / power(10, NDecimales); +end; + +function TJDbGridCurrencyCtrl.IsValidFloat(const Value: string): boolean; +begin + if StrToCurrDef(Value, MaxCurrency) = MaxCurrency then + Result := False + else + Result := True; +end; + +constructor TJDbGridCurrencyCtrl.Create; +begin + CellEditor := TStringCellEditor.Create(nil); + CellEditor.OnEnter := @myEditOnEnter; + CellEditor.OnKeyDown := @OnKeyDown; + CellEditor.OnEditingDone := @myEditOnEditingDone; + fDecimales := 2; +end; + +destructor TJDbGridCurrencyCtrl.Destroy; +begin + CellEditor.Free; +end; + +function TJDbGridCurrencyCtrl.Editor(aGrid: TDBGrid; + aDecimals: integer): TStringCellEditor; +begin + decimales := aDecimals; + theGrid := aGrid; + Result := CellEditor; +end; + +{ TJDbGridIntegerCtrl } + +procedure TJDbGridIntegerCtrl.myEditOnEnter(Sender: TObject); +begin + Field := theGrid.SelectedField; + CellEditor.BoundsRect := theGrid.SelectedFieldRect; + CellEditor.Text := Field.AsString; + CellEditor.OnKeyPress := @OnKeyPress; // Recuperamos el control :-p + CellEditor.OnKeyDown := @OnKeyDown; + theValue := Field.AsInteger; + CellEditor.SelectAll; + updated := False; +end; + +procedure TJDbGridIntegerCtrl.OnKeyPress(Sender: TObject; var key: char); +begin + if not (Key in ['0'..'9', #8, #9, '-']) then + Key := #0; +end; + +procedure TJDbGridIntegerCtrl.OnKeyDown(Sender: TObject; var Key: word; + Shift: TShiftState); +begin + if (Key in [VK_RETURN, VK_TAB, VK_UP, VK_DOWN, VK_LEFT, VK_RIGHT]) and + (not IsValidInteger(CellEditor.Caption)) then + begin + ShowMessage(CellEditor.Caption + ' no es un número válido'); + CellEditor.Text := IntToStr(theValue); + CellEditor.SelectAll; + Key := VK_UNKNOWN; + end + else + if (Key = VK_ESCAPE) then + begin + if Field.IsNull then + CellEditor.Text := '' + else + CellEditor.Text := IntToStr(Field.AsInteger); + updated := True; + theGrid.SetFocus; // No perder el foco + end + else + if key in [VK_UP, VK_DOWN] then + begin + Key := VK_UNKNOWN; + end + else + if Key in [VK_RETURN, VK_TAB] then + begin + if IsValidInteger(CellEditor.Caption) then + begin + theValue := StrToInt(CellEditor.Caption); + Field.DataSet.Edit; + Field.AsInteger := theValue; + updated := True; + end; + end; +end; + +procedure TJDbGridIntegerCtrl.myEditOnEditingDone(Sender: TObject); +begin + if IsValidInteger(CellEditor.Caption) then + begin + if (not updated) then + begin + theValue := StrToInt(CellEditor.Caption); + Field.DataSet.Edit; + Field.AsInteger := theValue; + end; + end + else + begin + ShowMessage(CellEditor.Caption + ' no es un número válido'); + CellEditor.Text := IntToStr(theValue); + end; +end; + +function TJDbGridIntegerCtrl.IsValidInteger(const Value: string): boolean; +begin + if StrToIntDef(Value, MaxInt) = MaxInt then + Result := False + else + Result := True; +end; + +constructor TJDbGridIntegerCtrl.Create; +begin + CellEditor := TStringCellEditor.Create(nil); + CellEditor.OnEnter := @myEditOnEnter; + CellEditor.OnKeyDown := @OnKeyDown; + CellEditor.OnEditingDone := @myEditOnEditingDone; + CellEditor.OnKeyPress := @OnKeyPress; // se sobreescribe por el Grid :( +end; + +destructor TJDbGridIntegerCtrl.Destroy; +begin + CellEditor.Free; +end; + +function TJDbGridIntegerCtrl.Editor(aGrid: TDBGrid): TStringCellEditor; +begin + theGrid := aGrid; + Result := CellEditor; +end; + +function replacechar(const s: string; ch1: char; ch2: char): string; +var + i: integer; +begin + Result := s; + for i := 1 to length(Result) do + if Result[i] = ch1 then + Result[i] := ch2; +end; + +function countchar(const s: string; ch: char): integer; +var + i: integer; +begin + Result := 0; + for i := 1 to length(s) do + if s[i] = ch then + Inc(Result); +end; + +procedure Split(const Delimiter: char; Input: string; Strings: TStrings); +begin + Assert(Assigned(Strings)); + Strings.Clear; + Strings.Delimiter := Delimiter; + Strings.DelimitedText := Input; +end; + +procedure CreateResources; +begin + dateDbGridControl := TJDbGridDateCtrl.Create; + integerDbGridControl := TJDbGridIntegerCtrl.Create; + currencyDbGridControl := TJDbGridCurrencyCtrl.Create; +end; + +procedure CleanResources; +begin + dateDbGridControl.Free; + integerDbGridControl.Free; + currencyDbGridControl.Free; +end; + +initialization + CreateResources; + +finalization + CleanResources; +end. + diff --git a/components/jujiboutils/examples/testmemdataset/jdbutils.pas b/components/jujiboutils/examples/testmemdataset/jdbutils.pas new file mode 100644 index 000000000..6f33342a6 --- /dev/null +++ b/components/jujiboutils/examples/testmemdataset/jdbutils.pas @@ -0,0 +1,360 @@ +{ jdbutils + + Copyright (C) 2011 Julio Jiménez Borreguero + Contact: jujibo at gmail dot com + + This library is free software; you can redistribute it and/or modify it + under the same terms as the Lazarus Component Library (LCL) + + See the file license-jujiboutils.txt and COPYING.LGPL, included in this distribution, + for details about the license. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + +} + +unit jdbutils; + +{$mode objfpc}{$H+} + +interface + +uses + Classes, StdCtrls, SysUtils, DBCtrls; + +type + + { TJDBCurrencyCtrl } + + TJDBCurrencyCtrl = class(TObject) + private + myEdit: TDBEdit; + theValue: currency; + fDecimales: integer; + function getDecimales: integer; + procedure myEditOnEnter(Sender: TObject); + procedure myEditOnEditingDone(Sender: TObject); + procedure setDecimales(const AValue: integer); + procedure OnKeyPress(Sender: TObject; var key: char); + function redondear(const AValue: currency; const NDecimales: integer): currency; + function IsValidFloat(const Value: string): boolean; + public + property decimales: integer read getDecimales write setDecimales; + procedure Enter(widget: TDBEdit); + end; + + { TJDBIntegerCtrl } + + TJDBIntegerCtrl = class(TObject) + private + myEdit: TDBEdit; + theValue: integer; + procedure OnKeyPress(Sender: TObject; var key: char); + procedure myEditOnEditingDone(Sender: TObject); + function IsValidInteger(const Value: string): boolean; + public + procedure Enter(widget: TDBEdit); + end; + + { TJDBDateCtrl } + + TJDBDateCtrl = class(TObject) + private + myEdit: TDBEdit; + theValue: TDateTime; + fFormat: string; + function getFormat: string; + procedure myEditOnEditingDone(Sender: TObject); + procedure formatInput; + procedure setFormat(const AValue: string); + procedure OnKeyPress(Sender: TObject; var key: char); + function IsValidDate(const Value: string): boolean; + function NormalizeDate(const Value: string): string; + public + function isNull: boolean; + property format: string read getFormat write setFormat; + procedure Enter(widget: TDBEdit); + end; + +var + dateDbControl: TJDBDateCtrl; + integerDbControl: TJDBIntegerCtrl; + currencyDbControl: TJDBCurrencyCtrl; + +function replacechar(const s: string; ch1: char; ch2: char): string; +function countchar(const s: string; ch: char): integer; +procedure Split(const Delimiter: char; Input: string; Strings: TStrings); + +implementation + +uses + Math, dateutils, Graphics, Dialogs; + + +{ TJDBCurrencyCtrl } + +function TJDBCurrencyCtrl.getDecimales: integer; +begin + Result := fDecimales; +end; + +procedure TJDBCurrencyCtrl.myEditOnEnter(Sender: TObject); +begin + +end; + +procedure TJDBCurrencyCtrl.myEditOnEditingDone(Sender: TObject); +var + bufCaption: string; +begin + if IsValidFloat(myEdit.Caption) then + begin + theValue := StrToCurr(myEdit.Caption); + theValue := redondear(theValue, fDecimales); + myEdit.Caption := CurrToStr(theValue); + end + else + begin + bufCaption := myEdit.Caption; + myEdit.Caption := myEdit.Field.AsString; + ShowMessage(bufCaption + ' no es un número válido'); + myEdit.SetFocus; + end; +end; + + + +procedure TJDBCurrencyCtrl.setDecimales(const AValue: integer); +begin + if AValue >= 0 then + fDecimales := AValue; +end; + + +procedure TJDBCurrencyCtrl.OnKeyPress(Sender: TObject; var key: char); +begin + if (Key in ['.', ',']) then + Key := Decimalseparator; + if (key = DecimalSeparator) and (Pos(key, myEdit.Caption) > 0) then + key := #0; + if not (Key in ['0'..'9', DecimalSeparator, '+', '-', #8, #9]) then + Key := #0; + if (Key = DecimalSeparator) and (fDecimales = 0) then + Key := #0; +end; + +function TJDBCurrencyCtrl.redondear(const AValue: currency; + const NDecimales: integer): currency; +begin + redondear := round(AValue * power(10, NDecimales)) / power(10, NDecimales); +end; + +function TJDBCurrencyCtrl.IsValidFloat(const Value: string): boolean; +begin + if StrToCurrDef(Value, MaxCurrency) = MaxCurrency then + Result := False + else + Result := True; +end; + + +procedure TJDBCurrencyCtrl.Enter(widget: TDBEdit); +begin + myEdit := widget; + myEdit.OnEditingDone := @myEditOnEditingDone; + myEdit.OnKeyPress := @OnKeyPress; + fDecimales := 2; // default 2 decimals + theValue := myEdit.Field.AsCurrency; + myEdit.SelectAll; +end; + + +{ TJDBIntegerCtrl } + +procedure TJDBIntegerCtrl.OnKeyPress(Sender: TObject; var key: char); +begin + if not (Key in ['0'..'9', #8, #9, '-']) then + Key := #0; +end; + +procedure TJDBIntegerCtrl.myEditOnEditingDone(Sender: TObject); +var + bufCaption: string; +begin + if IsValidInteger(myEdit.Caption) then + begin + theValue := StrToInt(myEdit.Caption); + myEdit.Caption := IntToStr(theValue); + end + else + begin + bufCaption := myEdit.Caption; + myEdit.Caption := myEdit.Field.AsString; + ShowMessage(bufCaption + ' no es un número válido'); + myEdit.SetFocus; + end; +end; + +function TJDBIntegerCtrl.IsValidInteger(const Value: string): boolean; +begin + if StrToIntDef(Value, MaxInt) = MaxInt then + Result := False + else + Result := True; +end; + +procedure TJDBIntegerCtrl.Enter(widget: TDBEdit); +begin + myEdit := widget; + myEdit.OnEditingDone := @myEditOnEditingDone; + myEdit.OnKeyPress := @OnKeyPress; + theValue := myEdit.Field.AsInteger; + myEdit.SelectAll; +end; + +{ TJDBDateCtrl } + +function TJDBDateCtrl.getFormat: string; +begin + Result := fFormat; +end; + +procedure TJDBDateCtrl.myEditOnEditingDone(Sender: TObject); +var + bufCaption: string; +begin + bufCaption := NormalizeDate(myEdit.Caption); + if Length(myEdit.Caption) = 0 then + theValue := 0 + else + if IsValidDate(bufCaption) then + begin + theValue := StrToDate(bufCaption); + myEdit.Caption := bufCaption; + end + else + begin + myEdit.Caption := myEdit.Field.AsString; + ShowMessage(bufCaption + ' no es una fecha válida'); + myEdit.SetFocus; + end; + //formatInput; +end; + +procedure TJDBDateCtrl.formatInput; +begin + if theValue <> 0 then + myEdit.Caption := FormatDateTime(format, theValue); +end; + +procedure TJDBDateCtrl.setFormat(const AValue: string); +begin + fFormat := AValue; + formatInput; +end; + +procedure TJDBDateCtrl.OnKeyPress(Sender: TObject; var key: char); +begin + if not (Key in ['0'..'9', #8, #9, '.', '-', '/']) then + Key := #0; +end; + +function TJDBDateCtrl.IsValidDate(const Value: string): boolean; +begin + // comprobar que la fecha es valida + if StrToDateDef(Value, MaxDateTime) = MaxDateTime then + Result := False + else + Result := True; +end; + +function TJDBDateCtrl.NormalizeDate(const Value: string): string; +var + texto: string; + i: integer; + d, m, y: word; +begin + if theValue = 0 then + DecodeDate(Now, y, m, d) + else + decodedate(theValue, y, m, d); + // normalize date + texto := Value; + texto := replacechar(texto, '.', DateSeparator); + texto := replacechar(texto, '-', DateSeparator); + texto := replacechar(texto, '/', DateSeparator); + i := countchar(texto, DateSeparator); + + case i of + 1: texto := texto + DateSeparator + IntToStr(y); + 0: texto := texto + DateSeparator + IntToStr(m) + DateSeparator + IntToStr(y); + end; + Result := texto; +end; + +function TJDBDateCtrl.isNull: boolean; +begin + Result := theValue = 0; +end; + +procedure TJDBDateCtrl.Enter(widget: TDBEdit); +begin + myEdit := widget; + myEdit.OnEditingDone := @myEditOnEditingDone; + myEdit.OnKeyPress := @OnKeyPress; + format := 'dd/mm/yyyy'; + theValue := myEdit.Field.AsDateTime; + myEdit.SelectAll; +end; + +function replacechar(const s: string; ch1: char; ch2: char): string; +var + i: integer; +begin + Result := s; + for i := 1 to length(Result) do + if Result[i] = ch1 then + Result[i] := ch2; +end; + +function countchar(const s: string; ch: char): integer; +var + i: integer; +begin + Result := 0; + for i := 1 to length(s) do + if s[i] = ch then + Inc(Result); +end; + +procedure Split(const Delimiter: char; Input: string; Strings: TStrings); +begin + Assert(Assigned(Strings)); + Strings.Clear; + Strings.Delimiter := Delimiter; + Strings.DelimitedText := Input; +end; + +procedure CreateResources; +begin + dateDbControl := TJDBDateCtrl.Create; + integerDbControl := TJDBIntegerCtrl.Create; + currencyDbControl := TJDBCurrencyCtrl.Create; +end; + +procedure CleanResources; +begin + dateDbControl.Free; + integerDbControl.Free; + currencyDbControl.Free; +end; + +initialization + CreateResources; + +finalization + CleanResources; +end. + diff --git a/components/jujiboutils/examples/testmemdataset/main.lfm b/components/jujiboutils/examples/testmemdataset/main.lfm new file mode 100644 index 000000000..c2905ab70 --- /dev/null +++ b/components/jujiboutils/examples/testmemdataset/main.lfm @@ -0,0 +1,193 @@ +object Form1: TForm1 + Left = 285 + Height = 435 + Top = 159 + Width = 500 + Caption = 'Form1' + ClientHeight = 435 + ClientWidth = 500 + OnCreate = FormCreate + LCLVersion = '0.9.31' + object DBGrid1: TDBGrid + Left = 26 + Height = 153 + Top = 119 + Width = 416 + Color = clWindow + Columns = < + item + Title.Caption = 'ID' + Title.PrefixOption = poNone + FieldName = 'ID' + end + item + Title.Caption = 'DATE' + Title.PrefixOption = poNone + FieldName = 'DATE' + DisplayFormat = 'dd/mm/yyyy' + end + item + Title.Caption = 'ID2' + Title.PrefixOption = poNone + FieldName = 'ID2' + end + item + Title.Caption = 'TOTAL' + Title.PrefixOption = poNone + FieldName = 'TOTAL' + DisplayFormat = '#,0.00' + end> + DataSource = Datasource1 + TabOrder = 0 + OnSelectEditor = DBGrid1SelectEditor + end + object DBNavigator1: TDBNavigator + Left = 26 + Height = 25 + Top = 87 + Width = 241 + BevelOuter = bvNone + ChildSizing.EnlargeHorizontal = crsScaleChilds + ChildSizing.EnlargeVertical = crsScaleChilds + ChildSizing.ShrinkHorizontal = crsScaleChilds + ChildSizing.ShrinkVertical = crsScaleChilds + ChildSizing.Layout = cclLeftToRightThenTopToBottom + ChildSizing.ControlsPerLine = 100 + ClientHeight = 25 + ClientWidth = 241 + DataSource = Datasource1 + Options = [] + TabOrder = 1 + end + object GroupBox1: TGroupBox + Left = 24 + Height = 105 + Top = 280 + Width = 418 + Caption = 'TDBEdit usage example' + ClientHeight = 86 + ClientWidth = 414 + TabOrder = 2 + object Label1: TLabel + Left = 14 + Height = 18 + Top = 7 + Width = 15 + Caption = 'ID' + ParentColor = False + end + object Label2: TLabel + Left = 102 + Height = 18 + Top = 7 + Width = 31 + Caption = 'DATE' + ParentColor = False + end + object Label3: TLabel + Left = 195 + Height = 18 + Top = 7 + Width = 22 + Caption = 'ID2' + ParentColor = False + end + object Label4: TLabel + Left = 288 + Height = 18 + Top = 9 + Width = 39 + Caption = 'TOTAL' + ParentColor = False + end + object DBEdit1: TDBEdit + Left = 14 + Height = 27 + Top = 31 + Width = 80 + DataField = 'ID' + DataSource = Datasource1 + CharCase = ecNormal + MaxLength = 0 + TabOrder = 0 + OnEnter = OnIntegerDBControlEnter + end + object DBEdit2: TDBEdit + Left = 102 + Height = 27 + Top = 31 + Width = 80 + DataField = 'DATE' + DataSource = Datasource1 + CharCase = ecNormal + MaxLength = 0 + TabOrder = 1 + OnEnter = OnDateDBControlEnter + end + object DBEdit3: TDBEdit + Left = 195 + Height = 27 + Top = 31 + Width = 80 + DataField = 'ID2' + DataSource = Datasource1 + CharCase = ecNormal + MaxLength = 0 + TabOrder = 2 + OnEnter = OnIntegerDBControlEnter + end + object DBEdit4: TDBEdit + Left = 288 + Height = 27 + Top = 31 + Width = 80 + DataField = 'TOTAL' + DataSource = Datasource1 + CharCase = ecNormal + MaxLength = 0 + TabOrder = 3 + OnEnter = OnCurrencyDBControlEnter + end + end + object Label5: TLabel + Left = 24 + Height = 18 + Top = 56 + Width = 142 + Caption = 'TDBGrid usage example' + ParentColor = False + end + object MemDataset1: TMemDataset + Active = True + FieldDefs = < + item + Name = 'ID' + DataType = ftInteger + Precision = 0 + Size = 0 + end + item + Name = 'DATE' + DataType = ftDate + Precision = 0 + Size = 0 + end + item + Name = 'TOTAL' + DataType = ftFloat + Precision = 0 + Size = 0 + end + item + Name = 'ID2' + DataType = ftInteger + Precision = 0 + Size = 0 + end> + left = 40 + end + object Datasource1: TDatasource + DataSet = MemDataset1 + left = 128 + end +end diff --git a/components/jujiboutils/examples/testmemdataset/main.pas b/components/jujiboutils/examples/testmemdataset/main.pas new file mode 100644 index 000000000..d33b90080 --- /dev/null +++ b/components/jujiboutils/examples/testmemdataset/main.pas @@ -0,0 +1,94 @@ +unit main; + +{$mode objfpc}{$H+} + +interface + +uses + Classes, SysUtils, memds, DB, FileUtil, Forms, Controls, Graphics, Dialogs, + DBGrids, DBCtrls, StdCtrls, LCLType, jdbgridutils, jdbutils; + +type + + { TForm1 } + + TForm1 = class(TForm) + Datasource1: TDatasource; + DBEdit1: TDBEdit; + DBEdit2: TDBEdit; + DBEdit3: TDBEdit; + DBEdit4: TDBEdit; + DBGrid1: TDBGrid; + DBNavigator1: TDBNavigator; + GroupBox1: TGroupBox; + Label1: TLabel; + Label2: TLabel; + Label3: TLabel; + Label4: TLabel; + Label5: TLabel; + MemDataset1: TMemDataset; + procedure DBGrid1SelectEditor(Sender: TObject; Column: TColumn; + var Editor: TWinControl); + procedure FormCreate(Sender: TObject); + procedure OnCurrencyDBControlEnter(Sender: TObject); + procedure OnDateDBControlEnter(Sender: TObject); + procedure OnIntegerDBControlEnter(Sender: TObject); + private + { private declarations } + public + { public declarations } + end; + +var + Form1: TForm1; + +implementation + +{$R *.lfm} + +{ TForm1 } + +procedure TForm1.DBGrid1SelectEditor(Sender: TObject; Column: TColumn; + var Editor: TWinControl); +begin + case Column.DesignIndex of + 0, 2: Editor := integerDbGridControl.Editor(Sender as TDBGrid); + 1: Editor := dateDbGridControl.Editor(Sender as TDBGrid); + 3: Editor := currencyDbGridControl.Editor(Sender as TDBGrid); + end; +end; + +procedure TForm1.FormCreate(Sender: TObject); +var + i: integer; +begin + // populate the memDataset + for i := 1 to 10 do + begin + MemDataset1.Append; + MemDataset1.FieldByName('ID').AsInteger := i; + MemDataset1.FieldByName('DATE').AsDateTime := Now; + MemDataset1.FieldByName('ID2').AsInteger := i * i; + MemDataset1.FieldByName('TOTAL').AsFloat := i * i * i; + MemDataset1.Post; + end; + MemDataset1.First; +end; + +procedure TForm1.OnCurrencyDBControlEnter(Sender: TObject); +begin + currencyDbControl.Enter(Sender as TDBEdit); +end; + +procedure TForm1.OnDateDBControlEnter(Sender: TObject); +begin + dateDbControl.Enter(Sender as TDBEdit); +end; + +procedure TForm1.OnIntegerDBControlEnter(Sender: TObject); +begin + integerDbControl.Enter(Sender as TDBEdit); +end; + +end. + diff --git a/components/jujiboutils/examples/testmemdataset/testmemdataset.lpi b/components/jujiboutils/examples/testmemdataset/testmemdataset.lpi new file mode 100644 index 000000000..27bcb4770 --- /dev/null +++ b/components/jujiboutils/examples/testmemdataset/testmemdataset.lpi @@ -0,0 +1,78 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/components/jujiboutils/examples/testmemdataset/testmemdataset.lpr b/components/jujiboutils/examples/testmemdataset/testmemdataset.lpr new file mode 100644 index 000000000..3ea53f83e --- /dev/null +++ b/components/jujiboutils/examples/testmemdataset/testmemdataset.lpr @@ -0,0 +1,24 @@ +program testmemdataset; + +{$mode objfpc}{$H+} + +uses + {$IFDEF UNIX}{$IFDEF UseCThreads} + cthreads, + {$ENDIF} + clocale, + {$ENDIF} + Interfaces, // this includes the LCL widgetset + Forms, main, memdslaz + { you can add units after this }; + +{$R *.res} + +begin + + RequireDerivedFormResource := True; + Application.Initialize; + Application.CreateForm(TForm1, Form1); + Application.Run; +end. + diff --git a/components/jujiboutils/license-jujiboutils b/components/jujiboutils/license-jujiboutils new file mode 100644 index 000000000..2edf39ea0 --- /dev/null +++ b/components/jujiboutils/license-jujiboutils @@ -0,0 +1,21 @@ +The Jujiboutils Project files are distributed under the GNU Library General +Public License (see the file license.txt) with the following modification: + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent modules, +and to copy and distribute the resulting executable under terms of your choice, +provided that you also meet, for each linked independent module, the terms +and conditions of the license of that module. An independent module is a +module which is not derived from or based on this library. If you modify this +library, you may extend this exception to your version of the library, but +you are not obligated to do so. If you do not wish to do so, delete this +exception statement from your version. + + +If you didn't receive a copy of the file COPYING.LGPL, contact: + Free Software Foundation, Inc., + 675 Mass Ave + Cambridge, MA 02139 + USA + \ No newline at end of file