doublecmd/src/feditsearch.pas
2016-08-16 19:53:10 +00:00

388 lines
14 KiB
ObjectPascal

{
Search & Replace dialog
for lazarus converted from SynEdit by
Radek Cervinka, radek.cervinka@centrum.cz
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your option)
any later version.
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. See the GNU Library General Public License
for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA.
based on SynEdit demo, original license:
-------------------------------------------------------------------------------
Software distributed under the License is distributed on an "AS IS" basis,
WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
the specific language governing rights and limitations under the License.
The Original Code is: dlgSearchText.pas, released 2000-06-23.
The Original Code is part of the SearchReplaceDemo project, written by
Michael Hieke for the SynEdit component suite.
All Rights Reserved.
Contributors to the SynEdit project are listed in the Contributors.txt file.
Alternatively, the contents of this file may be used under the terms of the
GNU General Public License Version 2 or later (the "GPL"), in which case
the provisions of the GPL are applicable instead of those above.
If you wish to allow use of your version of this file only under the terms
of the GPL and not to allow others to use your version of this file
under the MPL, indicate your decision by deleting the provisions above and
replace them with the notice and other provisions required by the GPL.
If you do not delete the provisions above, a recipient may use your version
of this file under either the MPL or the GPL.
$Id: dlgSearchText.pas,v 1.3 2002/08/01 05:44:05 etrusco Exp $
You may retrieve the latest version of this file at the SynEdit home page,
located at http://SynEdit.SourceForge.net
Known Issues:
-------------------------------------------------------------------------------}
unit fEditSearch;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, Forms, Controls, StdCtrls, ExtCtrls, Buttons, ButtonPanel,
uOSForms, DCClassesUtf8;
type
{ TEditSearchDialogOption }
//Not only it helps to show what we want to offer to user, it will help to determine the default
//When used as parameters of function, place on required.
//When used as a returned value, we'll include the status of all.
TEditSearchDialogOption = set of (eswoCaseSensitiveChecked, eswoCaseSensitiveUnchecked,
eswoWholeWordChecked, eswoWholeWordUnchecked,
eswoSelectedTextChecked, eswoSelectedTextUnchecked,
eswoSearchFromCursorChecked, eswoSearchFromCursorUnchecked,
eswoRegularExpressChecked, eswoRegularExpressUnchecked,
eswoDirectionDisabled, eswoDirectionEnabledForward, eswoDirectionEnabledBackward);
{ TfrmEditSearchReplace }
TfrmEditSearchReplace = class(TModalForm)
ButtonPanel: TButtonPanel;
cbSearchText: TComboBox;
cbSearchCaseSensitive: TCheckBox;
cbSearchWholeWords: TCheckBox;
cbSearchSelectedOnly: TCheckBox;
cbSearchFromCursor: TCheckBox;
cbSearchRegExp: TCheckBox;
cbReplaceText: TComboBox;
gbSearchOptions: TGroupBox;
lblReplaceWith: TLabel;
lblSearchFor: TLabel;
rgSearchDirection: TRadioGroup;
procedure btnOKClick(Sender: TObject);
procedure FormCloseQuery(Sender: TObject; var CanClose: boolean);
procedure FormCreate(Sender: TObject);
procedure FormShow(Sender: TObject);
procedure RequestAlign(Data: PtrInt);
private
function GetSearchBackwards: boolean;
function GetSearchCaseSensitive: boolean;
function GetSearchFromCursor: boolean;
function GetSearchInSelection: boolean;
function GetSearchText: string;
function GetSearchTextHistory: string;
function GetSearchWholeWords: boolean;
function GetSearchRegExp: boolean;
function GetReplaceText: string;
function GetReplaceTextHistory: string;
procedure SetSearchBackwards(Value: boolean);
procedure SetSearchCaseSensitive(Value: boolean);
procedure SetSearchFromCursor(Value: boolean);
procedure SetSearchInSelection(Value: boolean);
procedure SetSearchText(Value: string);
procedure SetSearchTextHistory(Value: string);
procedure SetSearchWholeWords(Value: boolean);
procedure SetSearchRegExp(Value: boolean);
procedure SetReplaceText(Value: string);
procedure SetReplaceTextHistory(Value: string);
public
constructor Create(AOwner: TComponent; AReplace: Boolean); reintroduce;
property SearchBackwards: boolean read GetSearchBackwards
write SetSearchBackwards;
property SearchCaseSensitive: boolean read GetSearchCaseSensitive
write SetSearchCaseSensitive;
property SearchFromCursor: boolean read GetSearchFromCursor
write SetSearchFromCursor;
property SearchInSelectionOnly: boolean read GetSearchInSelection
write SetSearchInSelection;
property SearchText: string read GetSearchText write SetSearchText;
property SearchTextHistory: string read GetSearchTextHistory
write SetSearchTextHistory;
property SearchWholeWords: boolean read GetSearchWholeWords
write SetSearchWholeWords;
property SearchRegExp: boolean read GetSearchRegExp
write SetSearchRegExp;
property ReplaceText: string read GetReplaceText write SetReplaceText;
property ReplaceTextHistory: string read GetReplaceTextHistory
write SetReplaceTextHistory;
end;
function GetSimpleSearchAndReplaceString(AOwner:TComponent; OptionAllowed:TEditSearchDialogOption; var sSearchText:string; var sReplaceText:string; var OptionsToReturn:TEditSearchDialogOption; PastSearchList:TStringListEx; PastReplaceList:TStringListEx):boolean;
implementation
{$R *.lfm}
uses
Math, Graphics, uGlobs, uLng, uDCUtils;
function GetSimpleSearchAndReplaceString(AOwner:TComponent; OptionAllowed:TEditSearchDialogOption; var sSearchText:string; var sReplaceText:string; var OptionsToReturn:TEditSearchDialogOption; PastSearchList:TStringListEx; PastReplaceList:TStringListEx):boolean;
var
dlg: TfrmEditSearchReplace;
begin
result:=FALSE;
OptionsToReturn:=[];
dlg := TfrmEditSearchReplace.Create(AOwner, TRUE);
try
with dlg do
begin
//1. Let's enable to options host wanted to offer to user
cbSearchCaseSensitive.Enabled := ((eswoCaseSensitiveChecked in OptionAllowed) OR (eswoCaseSensitiveUnchecked in OptionAllowed));
cbSearchWholeWords.Enabled := ((eswoWholeWordChecked in OptionAllowed) OR (eswoWholeWordUnchecked in OptionAllowed));
cbSearchSelectedOnly.Enabled := ((eswoSelectedTextChecked in OptionAllowed) OR (eswoSelectedTextUnchecked in OptionAllowed));
cbSearchFromCursor.Enabled := ((eswoSearchFromCursorChecked in OptionAllowed) OR (eswoSearchFromCursorUnchecked in OptionAllowed));
cbSearchRegExp.Enabled := ((eswoRegularExpressChecked in OptionAllowed) OR (eswoRegularExpressUnchecked in OptionAllowed));
rgSearchDirection.Enabled := ((eswoDirectionEnabledForward in OptionAllowed) OR (eswoDirectionEnabledBackward in OptionAllowed));
//2. Let's set the option to their default according to what host wants to offer
cbSearchCaseSensitive.Checked := (eswoCaseSensitiveChecked in OptionAllowed);
cbSearchWholeWords.Checked := (eswoWholeWordChecked in OptionAllowed);
cbSearchSelectedOnly.Checked := (eswoSelectedTextChecked in OptionAllowed);
cbSearchFromCursor.Checked := (eswoSearchFromCursorChecked in OptionAllowed);
cbSearchRegExp.Checked := (eswoRegularExpressChecked in OptionAllowed);
rgSearchDirection.ItemIndex:=ifthen((eswoDirectionEnabledBackward in OptionAllowed),1,0);
//3. Setup the SEARCH info
if sSearchText='' then sSearchText:=rsEditSearchCaption;
SearchTextHistory:=PastSearchList.Text;
cbSearchText.Text:=sSearchText;
//4. Setup the REPLACE info
if sReplaceText='' then sReplaceText:=rsEditSearchReplace;
ReplaceTextHistory:=PastReplaceList.Text;
cbReplaceText.Text:=sReplaceText;
//5. Get feedback from user
if ShowModal=mrOk then
begin
//6. Let's set the options wanted by the user
if cbSearchCaseSensitive.Enabled then
if cbSearchCaseSensitive.Checked then OptionsToReturn:=OptionsToReturn+[eswoCaseSensitiveChecked] else OptionsToReturn:=OptionsToReturn+[eswoCaseSensitiveUnchecked];
if cbSearchWholeWords.Enabled then
if cbSearchWholeWords.Checked then OptionsToReturn:=OptionsToReturn+[eswoWholeWordChecked] else OptionsToReturn:=OptionsToReturn+[eswoWholeWordUnchecked];
if cbSearchSelectedOnly.Enabled then
if cbSearchSelectedOnly.Checked then OptionsToReturn:=OptionsToReturn+[eswoSelectedTextChecked] else OptionsToReturn:=OptionsToReturn+[eswoSelectedTextUnchecked];
if cbSearchFromCursor.Enabled then
if cbSearchFromCursor.Checked then OptionsToReturn:=OptionsToReturn+[eswoSearchFromCursorChecked] else OptionsToReturn:=OptionsToReturn+[eswoSearchFromCursorUnchecked];
if cbSearchRegExp.Enabled then
if cbSearchRegExp.Checked then OptionsToReturn:=OptionsToReturn+[eswoRegularExpressChecked] else OptionsToReturn:=OptionsToReturn+[eswoRegularExpressUnchecked];
if rgSearchDirection.Enabled then
if rgSearchDirection.ItemIndex=1 then OptionsToReturn:=OptionsToReturn+[eswoDirectionEnabledBackward] else OptionsToReturn:=OptionsToReturn+[eswoDirectionEnabledForward];
//7. Let's set our history
PastSearchList.Text:=SearchTextHistory;
PastReplaceList.Text:=ReplaceTextHistory;
//8. And FINALLY, our valuable text to search we wanted to replace!
sSearchText:=cbSearchText.Text;
sReplaceText:=cbReplaceText.Text;
result:=((sSearchText<>sReplaceText) AND (sSearchText<>''));
end;
end;
finally
FreeAndNil(Dlg);
end;
end;
{ TfrmEditSearchReplace }
procedure TfrmEditSearchReplace.btnOKClick(Sender: TObject);
begin
InsertFirstItem(cbSearchText.Text, cbSearchText);
ModalResult := mrOK
end;
procedure TfrmEditSearchReplace.FormCloseQuery(Sender: TObject;
var CanClose: boolean);
begin
if ModalResult = mrOK then
InsertFirstItem(cbReplaceText.Text, cbReplaceText);
end;
procedure TfrmEditSearchReplace.FormCreate(Sender: TObject);
begin
InitPropStorage(Self);
end;
procedure TfrmEditSearchReplace.FormShow(Sender: TObject);
begin
if cbSearchText.Text = EmptyStr then
begin
if cbSearchText.Items.Count > 0 then
cbSearchText.Text:= cbSearchText.Items[0];
end;
cbSearchText.SelectAll;
// Fixes AutoSize under Qt
Application.QueueAsyncCall(@RequestAlign, 0);
end;
procedure TfrmEditSearchReplace.RequestAlign(Data: PtrInt);
begin
Width := Width + 1;
Width := Width - 1;
end;
function TfrmEditSearchReplace.GetSearchBackwards: boolean;
begin
Result := rgSearchDirection.ItemIndex = 1;
end;
function TfrmEditSearchReplace.GetSearchCaseSensitive: boolean;
begin
Result := cbSearchCaseSensitive.Checked;
end;
function TfrmEditSearchReplace.GetSearchFromCursor: boolean;
begin
Result := cbSearchFromCursor.Checked;
end;
function TfrmEditSearchReplace.GetSearchInSelection: boolean;
begin
Result := cbSearchSelectedOnly.Checked;
end;
function TfrmEditSearchReplace.GetSearchText: string;
begin
Result := cbSearchText.Text;
end;
function TfrmEditSearchReplace.GetSearchTextHistory: string;
var
i: integer;
begin
for i:= cbSearchText.Items.Count - 1 downto 25 do
cbSearchText.Items.Delete(i);
Result:=cbSearchText.Items.Text;
end;
function TfrmEditSearchReplace.GetSearchWholeWords: boolean;
begin
Result := cbSearchWholeWords.Checked;
end;
function TfrmEditSearchReplace.GetSearchRegExp: boolean;
begin
Result:= cbSearchRegExp.Checked;
end;
function TfrmEditSearchReplace.GetReplaceText: string;
begin
Result := cbReplaceText.Text;
end;
function TfrmEditSearchReplace.GetReplaceTextHistory: string;
var
i: integer;
begin
for i:= cbSearchText.Items.Count - 1 downto 25 do
cbReplaceText.Items.Delete(i);
Result:=cbReplaceText.Items.Text;
end;
procedure TfrmEditSearchReplace.SetSearchBackwards(Value: boolean);
begin
rgSearchDirection.ItemIndex := Ord(Value);
end;
procedure TfrmEditSearchReplace.SetSearchCaseSensitive(Value: boolean);
begin
cbSearchCaseSensitive.Checked := Value;
end;
procedure TfrmEditSearchReplace.SetSearchFromCursor(Value: boolean);
begin
cbSearchFromCursor.Checked := Value;
end;
procedure TfrmEditSearchReplace.SetSearchInSelection(Value: boolean);
begin
cbSearchSelectedOnly.Checked := Value;
end;
procedure TfrmEditSearchReplace.SetSearchText(Value: string);
begin
cbSearchText.Text := Value;
end;
procedure TfrmEditSearchReplace.SetSearchTextHistory(Value: string);
begin
cbSearchText.Items.Text := Value;
end;
procedure TfrmEditSearchReplace.SetSearchWholeWords(Value: boolean);
begin
cbSearchWholeWords.Checked := Value;
end;
procedure TfrmEditSearchReplace.SetSearchRegExp(Value: boolean);
begin
cbSearchRegExp.Checked:= Value;
end;
procedure TfrmEditSearchReplace.SetReplaceText(Value: string);
begin
cbReplaceText.Items.Text := Value;
end;
procedure TfrmEditSearchReplace.SetReplaceTextHistory(Value: string);
begin
cbReplaceText.Items.Text := Value;
end;
constructor TfrmEditSearchReplace.Create(AOwner: TComponent; AReplace: Boolean);
begin
inherited Create(AOwner);
Color:= clForm;
if AReplace then
begin
Caption:= rsEditSearchReplace;
lblReplaceWith.Visible:= True;
cbReplaceText.Visible:= True;
end
else
begin
Caption:= rsEditSearchCaption;
lblReplaceWith.Visible:= False;
cbReplaceText.Visible:= False;
Height:= Height - cbReplaceText.Height;
end;
rgSearchDirection.Items.Strings[0]:= rsEditSearchFrw;
rgSearchDirection.Items.Strings[1]:= rsEditSearchBack;
end;
end.