UTranslate.pas ( File view )

  • By sathex 2016-03-20
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			unit UTranslate;

interface

uses Classes,INIFiles,Forms,Controls,StdCtrls,SysUtils,Types,Buttons,ComCtrls,ExtCtrls,Valedit;

type TTranslate=class(TObject)
protected
private
    INI: TINIFile;
    bAutoCreateNonTranslated: Boolean;
    procedure AddNonTranslated(OriginalString: string); overload;
    procedure AddNonTranslated(Form: TForm;OriginalString: string); overload;
    Function CouldBeTranslated(Con: TComponent): Boolean;
    procedure TranslateObjectInForm(Form: TForm;Obj: TListColumns); overload;
    procedure TranslateObjectInForm(Form: TForm;Obj: TStrings); overload;
public
    function GetLanguagesInFolder(Folder: string; FilesExtension: string): TStringList;
    function TranslateString(OriginalString: String): string;
    function TranslateStringInForm(Form: TForm;OriginalString: String): string;
    Procedure TranslateForm(Form: TForm);
    constructor Create(INIFile: string); overload;
    constructor Create(); overload;
    destructor Destroy; override;
end;

implementation

uses StrUtils;

{
 TTranslate 
}

const NOTRANSLATEDMSG='*NOTRANSLATEDDEFAULT*';

constructor TTranslate.Create(INIFile: string);
begin
    Create();
    if INIFile='' Then begin
        Exit;
    end;
    INI:=TINIFile.Create(INIFile);
end;

constructor TTranslate.Create;
begin
    bAutoCreateNonTranslated:=true;
    INI:=nil;
end;

destructor TTranslate.Destroy;
begin
    If Assigned(INI) then INI.Free;
end;

procedure TTranslate.AddNonTranslated(OriginalString: string);
var
    Tmp: String;
begin
    Tmp:='+'+OriginalString;
    INI.WriteString('GLOBAL',Tmp,'*Please translate*');
end;

procedure TTranslate.AddNonTranslated(Form: TForm; OriginalString: string);
var
    Tmp: String;
begin
    Tmp:='+'+OriginalString;
    INI.WriteString(Form.Name,Tmp,'*Please translate*');
end;


function TTranslate.TranslateString(OriginalString: String): string;
var
    sTranslated: string;
    sNewOrgString: String;
begin
    if not Assigned(INI) then begin
        Result:=OriginalString;
        exit;
    end;
    if OriginalString='' Then begin
        Result:='';
        Exit;
    end;
    sNewOrgString:=StringReplace(OriginalString,'=','%3D%',[rfReplaceAll]);
    sTranslated:=INI.ReadString('GLOBAL',sNewOrgString,NOTRANSLATEDMSG);
    if sTranslated=NOTRANSLATEDMSG then begin
        sTranslated:=sNewOrgString;
        if bAutoCreateNonTranslated Then begin
            AddNonTranslated(sNewOrgString);
        end;
    end;
    Result:=StringReplace(sTranslated,'%3D%','=',[rfReplaceAll]);
end;

function TTranslate.TranslateStringInForm(Form: TForm;
  OriginalString: String): string;
var
    sTranslated: string;
    sNewOrgString: String;
begin
    if not Assigned(INI) then begin
        Result:=OriginalString;
        exit;
    end;
    if OriginalString='' Then begin
        Result:='';
        Exit;
    end;
    sNewOrgString:=StringReplace(OriginalString,'=','%3D%',[rfReplaceAll]);
    sTranslated:=INI.ReadString(Form.Name,sNewOrgString,NOTRANSLATEDMSG);
    if sTranslated=NOTRANSLATEDMSG then begin
        sTranslated:=sNewOrgString;
        if bAutoCreateNonTranslated Then begin
            AddNonTranslated(Form,sNewOrgString);
        end;
    end;
    Result:=StringReplace(sTranslated,'%3D%','=',[rfReplaceAll]);
end;

procedure TTranslate.TranslateForm(Form: TForm);
var
    Index: integer;
    Con: TComponent;
begin
    for index := 0 to Form.ComponentCount-1 do begin
        Con:=Form.Components[index];
        if Con is TControl Then begin
            if CouldBeTranslated(Con) Then begin
                if Con is TLabel Then begin
                    (Con as TLabel).caption:=TranslateStringInForm(Form,(Con as TLabel).caption);
                end else if Con is TCheckBox Then begin
                    (Con as TCheckBox).Caption:=TranslateStringInForm(Form,(Con as TCheckBox).caption);
                end else if Con is TBitBtn Then begin
                    (Con as TBitBtn).Caption:=TranslateStringInForm(Form,(Con as TBitBtn).caption);
                end else if Con is TListView Then begin
                    TranslateObjectInForm(Form,(Con as TListView).Columns);
                end else if Con is TTabSheet Then begin
                    (Con as TTabSheet).Caption:=TranslateStringInForm(Form,(Con as TTabSheet).caption);
      
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