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unit TextSearch;
interface
uses
gnugettext, Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, TntStdCtrls, ComCtrls, TntComCtrls, TntForms, ExtCtrls,
Options, AuxFuncs;
type
TTextSearchOption = (
tsoBackwards, // Search backwards instead of forward.
tsoEntireScope, // Search in entire text, not only in selected text.
tsoIgnoreNonSpacing, // Ignore non-spacing characters in search.
tsoMatchCase, // Case sensitive search.
tsoPrompt, // Ask user for each replace action.
tsoRegularExpression, // Search using regular expressions.
tsoReplace, // Replace, not simple search.
tsoReplaceAll, // Replace all occurences
tsoSelectedOnly, // Search in selected text only.
tsoSpaceCompress, // Handle several consecutive white spaces as one white space,
// so "ab cd" will match "ab cd" and "ab cd".
tsoWholeWord // Match entire words only.
);
TTextSearchOptions = set of TTextSearchOption;
TTextSearchEvent = function (Sender: TObject;
SearchText: WideString; ReplaceText: WideString;
SearchOptions: TTextSearchOptions): Integer of object;
TTextSearchForm = class(TTntForm)
PageControl: TTntPageControl;
SearchTabSheet: TTntTabSheet;
ReplaceTabSheet: TTntTabSheet;
SearchLbl: TTntLabel;
SearchLU: TTntComboBox;
SearchBtn: TTntButton;
CloseBtn: TTntButton;
ReplacesSearchLbl: TTntLabel;
ReplaceSourceLU: TTntComboBox;
ReplaceWithLbl: TTntLabel;
ReplaceWithLU: TTntComboBox;
ReplaceAllBtn: TTntButton;
Close2Btn: TTntButton;
OptionsTabSheet: TTntTabSheet;
ReplaceBtn: TTntButton;
DetailsBtn: TTntButton;
Details2Btn: TTntButton;
OptionPnl: TPanel;
ScopeGBox: TTntGroupBox;
SearchInSelectedColumnRBtn: TTntRadioButton;
SearchAllColumnsRBtn: TTntRadioButton;
DirectionGBox: TTntGroupBox;
SearchDownRBtn: TTntRadioButton;
SearchUpRBtn: TTntRadioButton;
OptionsGBox: TTntGroupBox;
CaseSensitiveCBox: TTntCheckBox;
WholeWordsOnlyCBox: TTntCheckBox;
UseRegExCBox: TTntCheckBox;
TntGroupBox1: TTntGroupBox;
SearchFromCursorRBtn: TTntRadioButton;
SearchFromTopRBtn: TTntRadioButton;
NoMatchFoundPnl: TPanel;
constructor Create(Sender: TComponent;
OptionProvider: IOptionProvider); reintroduce;
procedure FormCreate(Sender: TObject);
procedure FormDestroy(Sender: TObject);
procedure FormClose(Sender: TObject; var Action: TCloseAction);
procedure CloseBtnClick(Sender: TObject);
procedure SearchBtnClick(Sender: TObject);
procedure ReplaceBtnClick(Sender: TObject);
procedure ReplaceAllBtnClick(Sender: TObject);
procedure CaseSensitiveCBoxClick(Sender: TObject);
procedure UpdateCurrentOptions;
procedure FormDeactivate(Sender: TObject);
procedure FormActivate(Sender: TObject);
procedure FormKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
procedure DetailsBtnClick(Sender: TObject);
procedure PageControlChange(Sender: TObject);
private
{ Private declarations }
FOnSearch: TTextSearchEvent;
FCurrentOptions: TTextSearchOptions;
FOptionProvider: IOptionProvider;
FDetailsVisible: Boolean;
protected
procedure SetIOptionProvider(OptionProvider: IOptionProvider);
procedure SetDetailsVisible(DetailsVisible: Boolean);
public
{ Public declarations }
property OnSearch: TTextSearchEvent read FOnSearch write FOnSearch;
property OptionProvider: IOptionProvider read FOptionProvider write SetIOptionProvider;
property DetailsVisible: Boolean read FDetailsVisible write SetDetailsVisible;
end;
var
TextSearchForm: TTextSearchForm;
implementation
{$R *.dfm}
// -----------------------------------------------------------------------------
constructor TTextSearchForm.Create(Sender: TComponent;
OptionProvider: IOptionProvider);
begin
inherited Create(Sender);
InitForm(self);
FOptionProvider := OptionProvider;
if (FOptionProvider=nil) then
raise Exception.Create('No option provider given.');
end;
// -----------------------------------------------------------------------------
procedure TTextSearchForm.FormCreate(Sender: TObject);
begin
PageControl.ActivePageIndex := 0;
OptionsTabSheet.TabVisible := False;
Height := 198;
if (FOptionProvider<>nil) and
(Not(FOptionProvider.RestoreWindowPos(self, False)))then
begin
Left:=(Screen.Width+Width) div 2 - Width;
Top:=(Screen.Height+Height) div 2 - Height;
end;
FCurrentOptions := [];
DetailsVisible := FOptionProvider.OptionAsBoolean['ShowTextSearchDetails'];
end;
// -----------------------------------------------------------------------------
procedure TTextSearchForm.FormDestroy(Sender: TObject);
begin
if (FOptionProvider<>nil) then
FOptionProvider.AddWindowPos(self);
end;
// -----------------------------------------------------------------------------
procedure TTextSearchForm.FormClose(Sender: TObject; var Action: TCloseAction);
begin
TextSearchForm := nil;
Action := caFree;
end;
// -----------------------------------------------------------------------------
procedure TTextSearchForm.CloseBtnClick(Sender: TObject);
begin
Close;
end;
// -----------------------------------------------------------------------------
procedure TTextSearchForm.SearchBtnClick(Sender: TObject);
begin
if Assigned(FOnSearch) then
begin
NoMatchFoundPnl.Visible :=
(FOnSearch(Self, SearchLU.Text, '', FCurrentOptions)=0);
end;
end;
// -----------------------------------------------------------------------------
procedure TTextSearchForm.ReplaceBtnClick(Sender: TObject);
var
SearchOptions: TTextSearchOptions;
begin
if Assigned(FOnSearch) then
begin
SearchOptions := FCurrentOptions;
include(SearchOptions, tsoReplace);
NoMatchFoundPnl.Visible :=
(FOnSearch(Self, ReplaceSourceLU.Text, ReplaceWithLU.Text, SearchOptions)=0);
end;
end;
// -----------------------------------------------------------------------------
procedure TTextSearchForm.ReplaceAllBtnClick(Sender: TObject);
var
SearchOptions: TTextSearchOptions;
begin
if Assigned(FOnSearch) then
begin
SearchOptions := FCurrentOptions;
include(SearchOptions, tsoReplaceAll);
FOnSearch(Self, ReplaceSourceLU.Text, ReplaceWithLU.Text, SearchOptions);
end;
end;
// -----------------------------------------------------------------------------
procedure TTextSearchForm.CaseSensitiveCBoxClick(Sender: TObject);
begin
UpdateCurrentOptions;
end;
// -----------------------------------------------------------------------------
procedure TTextSearchForm.UpdateCurrentOptions;
begin
FCurrentOptions := [];
if CaseSensitiveCBox.Checked then
include(FCurrentOptions, tsoMatchCase);
if WholeWordsOnlyCBox.Checked then
include(FCurrentOptions, tsoWholeWord);
if UseRegExCBox.Checked then
include(FCurrentOptions, tsoRegularExpression);
if SearchInSelectedColumnRBtn.Checked then
include(FCurrentOptions, tsoSelectedOnly);
if SearchUpRBtn.Checked then
include(FCurrentOptions, tsoBackwards);
if SearchFromTopRBtn.Checked then
include(FCurrentOptions, tsoEntireScope);
end;
// -----------------------------------------------------------------------------
procedure TTextSearchForm.FormDeactivate(Sender: TObject);
begin
AlphaBlend := True;
end;
// -----------------------------------------------------------------------------
procedure TTextSearchForm.FormActivate(Sender: TObject);
begin
AlphaBlend := False;
end;
// -----------------------------------------------------------------------------
procedure TTextSearchForm.FormKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
if (Key=VK_RETURN) and (Shift=[]) and
(PageControl.ActivePage=SearchTabSheet) then
SearchBtnClick(self)
else
if (Key=VK_ESCAPE) and (Shift=[]) then
Close;
end;
// -----------------------------------------------------------------------------
procedure TTextSearchForm.DetailsBtnClick(Sender: TObject);
begin
DetailsVisible := Not(DetailsVisible);
end;
// -----------------------------------------------------------------------------
procedure TTextSearchForm.PageControlChange(Sender: TObject);
begin
if OptionPnl.Parent<>OptionsTabSheet then
begin
OptionPnl.Parent := PageControl.ActivePage;
OptionPnl.Left := 0;
OptionPnl.Top := 82;
end;
end;
// -----------------------------------------------------------------------------
procedure TTextSearchForm.SetIOptionProvider(OptionProvider: IOptionProvider);
begin
FOptionProvider := OptionProvider;
end;
// -----------------------------------------------------------------------------
procedure TTextSearchForm.SetDetailsVisible(DetailsVisible: Boolean);
begin
FDetailsVisible := DetailsVisible;
FOptionProvider.OptionAsBoolean['ShowTextSearchDetails'] := DetailsVisible;
if (DetailsVisible) and (OptionPnl.Parent=OptionsTabSheet) then
begin
Height := 198 + 148;
OptionPnl.Align := alNone;
OptionPnl.Parent := PageControl.ActivePage;
OptionPnl.Left := 0;
OptionPnl.Top := 82;
OptionPnl.Height := 160;
DetailsBtn.Caption := _('<< Details');
Details2Btn.Caption := DetailsBtn.Caption;
end
else if Not(DetailsVisible) and Not(OptionPnl.Parent=OptionsTabSheet) then
begin
OptionPnl.Parent := OptionsTabSheet;
Height := 198;
DetailsBtn.Caption := _('Details >>');
Details2Btn.Caption := DetailsBtn.Caption;
end;
end;
end.
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