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This commit is contained in:
Christian Hammacher
2005-08-26 18:29:39 +00:00
parent ac279b37e4
commit 9e035dc744
49 changed files with 28087 additions and 0 deletions
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editor/studio/SciSearchReplace.pas Executable file
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//CE_Desc_Include(helpdescriptions.txt)
{$Include SciCommonDef.Inc}
unit SciSearchReplace;
{
Unit : SciSearchReplace
Purpose : Search and Replace for TScintilla based on Synedit Dialogs
Created : 20/03/2003
Original Author : Kiriakos Vlahos (kvlahos@london.edu)
History : 29/09/2004 Initial Release with Delphi Scintilla Interface Components
Changed Editor property from TScintilla to TScintillaBase class.
Wasn't any need for the extra properties to use this dialog.
hdalis (hdalis@users.sourceforge.net)
06/02/2005 Fixed a bug that caused the beginundoaction to be started,
but not finished.. i.e it treated all changes after a replace all
to belonging to the same undo operation..
hdalis (hdalis@users.sourceforge.net)
15/02/2005 Somewhat fixed a bug which caused the component to hang when
search/replace for the regular expression '$'..
it became an endless loop..
if SelWord is true, we get the word under the caret as the searchword
instead of the need to select the word first.. If there isn't a word
under the caret, uses the previous searchtext if any..
hdalis (hdalis@users.sourceforge.net)
07/29/2005 Fixed "Search from caret"-bug
}
interface
Uses
Types, Classes, Controls, Forms, SciLexer;
Type
TSciSearchReplace = class(TComponent)
private
FSearchForSelWord : boolean;
FEditor : TScintillaBase;
FSearchFromCaretInt: boolean;
FFoundText : String;
FOnTextFound : TNotifyEvent;
FOnTextNotFound : TNotifyEvent;
FOnTextReplaced : TNotifyEvent;
protected
procedure Notification(AComponent: TComponent;
Operation: TOperation); override;
public
// Search Options
SearchBackwards: boolean;
SearchCaseSensitive: boolean;
SearchSelectionOnly: boolean;
SearchWholeWords: boolean;
SearchRegex: boolean;
SearchText: string;
SearchTextHistory: string;
ReplaceText: string;
ReplaceTextHistory: string;
ReplacedCount : Integer;
property FoundText : string read fFoundText;
procedure DoSearchReplaceText(AReplace, ABackwards: boolean);
procedure ShowSearchReplaceDialog(AReplace: boolean);
constructor Create(AOwner : TComponent);override;
published
property SearchForSelWord : boolean read FSearchForSelWord write FSearchForSelWord;
property SearchFromCaret: boolean read FSearchFromCaretInt write FSearchFromCaretInt;
property Editor : TScintillaBase read FEditor write FEditor;
property OnTextFound : TNotifyEvent read FOnTextFound write FOnTextFound;
property OnTextNotFound : TNotifyEvent read FOnTextNotFound write FOnTextNotFound;
property OnTextReplaced : TNotifyEvent read FOnTextReplaced write FOnTextReplaced;
end;
implementation
Uses
SciSearchTextDlg, SciConfirmReplaceDlg, SciReplaceTextDlg, SciSupport,sciUtils;
{ TSciSearchReplace }
constructor TSciSearchReplace.Create(AOwner : TComponent);
begin
ReplacedCount:=0;
SearchFromCaret:=True;
Inherited;
end;
procedure TSciSearchReplace.DoSearchReplaceText(AReplace, ABackwards: boolean);
var
Options: Integer;
StartPosition, EndPosition : Integer;
TargetStart, TargetEnd, posFind : Integer;
APos: TPoint;
EditRect: TRect;
DlgRes : Integer;
lastMatch,lenTarget,MovePastEOL : Integer;
chNext : Integer;
findLen : Integer;
LenFound, LenReplaced : Integer;
// lastMatch : Integer;
doendundo : Boolean;
begin
doendundo:=false;
if not Assigned(FEditor) then Exit;
Options := 0;
if SearchCaseSensitive then
Options := Options or SCFIND_MATCHCASE;
if SearchWholeWords then
Options := Options or SCFIND_WHOLEWORD;
if SearchRegex then
Options := Options or SCFIND_REGEXP;
if SearchText='' then Exit;
if ABackwards then
begin
if fSearchFromCaretInt and not SearchSelectionOnly then
StartPosition := FEditor.GetSelectionStart - 1
else if SearchSelectionOnly then
StartPosition := FEditor.GetSelectionEnd
else
StartPosition := FEditor.GetLength;
if SearchSelectionOnly then
EndPosition := FEditor.GetSelectionStart
else
EndPosition := 0;
end else
begin
if fSearchFromCaretInt and not SearchSelectionOnly then
StartPosition := FEditor.GetSelectionEnd + 1
else if SearchSelectionOnly then
StartPosition := FEditor.GetSelectionStart
else
StartPosition := 0;
if SearchSelectionOnly then
EndPosition := FEditor.GetSelectionEnd
else
EndPosition := FEditor.GetLength;
end;
findLen:=Length(SearchText);
with FEditor do
begin
SetTargetStart(StartPosition);
SetTargetEnd(EndPosition);
SetSearchFlags(Options);
posFind := SearchInTarget(findLen, PChar(SearchText));
if (posFind < 0) then
begin
if Assigned(FOnTextNotFound) then
FOnTextNotFound(Self);
end else
begin
lastMatch:=posFind;
TargetStart := GetTargetStart;
TargetEnd := GetTargetEnd;
LenFound := TargetEnd - TargetStart;
LenReplaced := LenFound;
EnsureRangeVisible(TargetStart, TargetEnd);
SetSel(TargetStart, TargetEnd);
FFoundText := FEditor.SelText;
if Assigned(FOnTextFound) then
FOnTextFound(Self);
// Replace code
if AReplace then
begin
DlgRes := mrYes;
if ConfirmReplaceDialog = nil then
ConfirmReplaceDialog := TConfirmReplaceDialog.Create(Application);
ReplacedCount:=0;
while (posFind >= 0) and (DlgRes <> mrCancel) do
begin
lenTarget:=GetTargetEnd-GetTargetStart;
movePastEOL:=0;
if lenTarget<=0 then
begin
chNext:=GetCharAt(GetTargetEnd);
if (chNext=10) or (chNext=13) then MovePastEOL:=1;
end;
if not (DlgRes = mrYesToAll) then
begin
APos := Point(PointXFromPosition(TargetStart), PointYFromPosition(TargetStart));
APos := ClientToScreen(APos);
EditRect := FEditor.ClientRect;
EditRect.TopLeft := ClientToScreen(EditRect.TopLeft);
EditRect.BottomRight := ClientToScreen(EditRect.BottomRight);
ConfirmReplaceDialog.PrepareShow(EditRect, APos.X, APos.Y,
APos.Y + 2 * FEditor.TextHeight(LineFromPosition(TargetStart)), SearchText);
DlgRes :=ConfirmReplaceDialog.ShowModal;
if (DlgRes = mrYesToAll) and (doendundo=false) then
begin
FEditor.BeginUndoAction;
doendundo:=True;
end;
end;
if DlgRes in [mrYes, mrYesToAll] then
begin
// Replace
if SearchRegex then
LenReplaced := ReplaceTargetRE(Length(ReplaceText), PChar(ReplaceText))
else
LenReplaced := ReplaceTarget(Length(ReplaceText), PChar(ReplaceText));
Inc(ReplacedCount);
lastMatch:=posFind + lenReplaced + movepastEOL;
if lenTarget=0 then
lastMatch:=PositionAfter(lastMatch);
TargetEnd := TargetStart + LenReplaced -1+movePastEOL;
if Assigned(FOnTextReplaced) then FOnTextReplaced(Self);
end;
if DlgRes in [mrYes, mrNo, mrYesToAll] then
begin
// carry on
if lastMatch>=endPosition then
begin
posFind:=-1;
end else
begin
if ABackwards then
begin
SetTargetStart(TargetStart - 1);
SetTargetEnd(EndPosition);
end else
begin
SetTargetStart(TargetEnd + 1);
EndPosition := EndPosition + LenReplaced - LenFound;
SetTargetEnd(EndPosition);
end;
SetTargetEnd(EndPosition);
SetSearchFlags(Options);
posFind := SearchInTarget(Length(SearchText), PChar(SearchText));
end;
if posFind >= 0 then
begin
TargetStart := GetTargetStart;
TargetEnd := GetTargetEnd;
lastMatch:=TargetStart;
LenFound := TargetEnd - TargetStart;
LenReplaced := LenFound;
EnsureRangeVisible(TargetStart, TargetEnd);
SetSel(TargetStart, TargetEnd);
end;
end else
break;
end; // While
if doendundo then
FEditor.EndUndoAction;
// Restore original selection if Searching in Selection
if SearchSelectionOnly then
begin
if ABackwards then
SetSel(EndPosition, StartPosition)
else
SetSel(StartPosition, EndPosition);
EnsureRangeVisible(GetSelectionStart, GetSelectionEnd);
end;
end; // if AReplace
end; //if (posFind < 0)
end; // with FEditor
if ConfirmReplaceDialog <> nil then
begin
ConfirmReplaceDialog.Free;
ConfirmReplaceDialog := nil;
end;
end;
procedure TSciSearchReplace.Notification(AComponent: TComponent;
Operation: TOperation);
begin
inherited;
if (AComponent = FEditor) and (Operation = opRemove) then FEditor := nil;
end;
procedure TSciSearchReplace.ShowSearchReplaceDialog(AReplace: boolean);
var
dlg: TTextSearchDialog;
SelectedText : string;
begin
if not Assigned(FEditor) then Exit;
if AReplace then
dlg := TTextReplaceDialog.Create(Self)
else
dlg := TTextSearchDialog.Create(Self);
with dlg do
try
// assign search options
SearchBackwards := Self.SearchBackwards;
SearchCaseSensitive := Self.SearchCaseSensitive;
SearchFromCursor := Self.SearchFromCaret;
SearchInSelectionOnly := Self.SearchSelectionOnly;
SelectedText := FEditor.SelText;
if (SelectedText <> '') and (Pos(#10, SelectedText) > 0) or (Pos(#13, SelectedText) > 0) then
SearchInSelectionOnly := True
else
SearchInSelectionOnly := False;
// start with last search text
if FSearchForSelWord and not SearchInSelectionOnly
then
begin
if Editor.SelectionWord(True)<>'' then
SearchText:=Editor.SelectionWord(True)
else
SearchText := Self.SearchText;
end else
SearchText := Self.SearchText;
SearchTextHistory := Self.SearchTextHistory;
if AReplace then
with dlg as TTextReplaceDialog do
begin
ReplaceText := Self.ReplaceText;
ReplaceTextHistory := Self.ReplaceTextHistory;
end;
SearchWholeWords := Self.SearchWholeWords;
if ShowModal = mrOK then
begin
Self.SearchBackwards := SearchBackwards;
Self.SearchCaseSensitive := SearchCaseSensitive;
Self.SearchFromCaret := SearchFromCursor;
Self.SearchSelectionOnly := SearchInSelectionOnly;
Self.SearchWholeWords := SearchWholeWords;
Self.SearchRegex := SearchRegularExpression;
Self.SearchText := SearchText;
Self.SearchTextHistory := SearchTextHistory;
if AReplace then
with dlg as TTextReplaceDialog do
begin
Self.ReplaceText := ReplaceText;
Self.ReplaceTextHistory := ReplaceTextHistory;
end;
fSearchFromCaretInt := Self.SearchFromCaret;
if SearchText <> '' then
begin
DoSearchReplaceText(AReplace, Self.SearchBackwards);
fSearchFromCaretInt := True;
end;
Self.SearchSelectionOnly := False;
end;
finally
dlg.Free;
end;
end;
initialization
ConfirmReplaceDialog := nil;
end.