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{
***************************************************************************
* *
* This source 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 code 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 *
* General Public License for more details. *
* *
* A copy of the GNU General Public License is available on the World *
* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
* obtain it by writing to the Free Software Foundation, *
* Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1335, USA. *
* *
***************************************************************************
Author: Mattias Gaertner
Abstract:
An IDE dialog to add a "With" block to the sourceeditor selection.
}
unit AddWithBlockDlg;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, FileUtil, LResources, Forms, Controls, Graphics, Dialogs,
ButtonPanel, StdCtrls, Grids,
// Codetools
CodeCache, CodeToolManager, FileProcs, FindDeclarationTool,
// IDEIntf
IDEDialogs, LazIDEIntf, SrcEditorIntf, CodyStrConsts, CodyUtils;
type
{ TAddWithBlockDialog }
TAddWithBlockDialog = class(TForm)
ButtonPanel1: TButtonPanel;
WithExprGroupBox: TGroupBox;
WithExprStringGrid: TStringGrid;
procedure ButtonPanel1OKButtonClick(Sender: TObject);
procedure FormCreate(Sender: TObject);
private
public
SrcEdit: TSourceEditorInterface;
Code: TCodeBuffer;
StartPos: TPoint;
EndPos: TPoint;
Candidates: TStringList;
function Check(aSrcEdit: TSourceEditorInterface): boolean;
end;
procedure ShowAddWithBlockDialog(Sender: TObject);
function CompareObjectThenText(List: TStringList; Index1, Index2: Integer): integer;
implementation
procedure ShowAddWithBlockDialog(Sender: TObject);
var
AddWithBlockDialog: TAddWithBlockDialog;
SrcEdit: TSourceEditorInterface;
i: Integer;
WithExpr: String;
begin
// commit changes form source editor to codetools
if not LazarusIDE.BeginCodeTools then exit;
// check context at cursor
SrcEdit:=SourceEditorManagerIntf.ActiveEditor;
if (SrcEdit=nil) or (SrcEdit.Selection='') then begin
IDEMessageDialog(crsCWError,
crsPleaseSelectSomeCodeInTheSourceEditor, mtError, [mbCancel]);
exit;
end;
AddWithBlockDialog:=TAddWithBlockDialog.Create(nil);
try
if not AddWithBlockDialog.Check(SrcEdit) then exit;
if AddWithBlockDialog.ShowModal<>mrOk then exit;
with AddWithBlockDialog do begin
i:=WithExprStringGrid.Row;
if (i<1) then begin
debugln(['ShowAddWithBlockDialog nothing selected']);
exit;
end;
WithExpr:=WithExprStringGrid.Cells[0,i];
if not CodeToolBoss.AddWithBlock(Code,StartPos.X,StartPos.Y,
EndPos.X,EndPos.Y,WithExpr,nil)
then begin
LazarusIDE.DoJumpToCodeToolBossError;
exit;
end;
end;
finally
AddWithBlockDialog.Free;
end;
end;
function CompareObjectThenText(List: TStringList; Index1, Index2: Integer
): integer;
var
n1: PtrUInt;
n2: PtrUInt;
begin
n1:=PtrUInt(List.Objects[Index1]);
n2:=PtrUInt(List.Objects[Index2]);
if n1>n2 then exit(-1);
if n2>n1 then exit(1);
Result:=CompareText(List[Index1],List[Index2]);
end;
{ TAddWithBlockDialog }
procedure TAddWithBlockDialog.FormCreate(Sender: TObject);
begin
Caption:=crsAddWithBlock;
WithExprGroupBox.Caption:=crsSelectExpression;
WithExprStringGrid.Columns[0].Title.Caption:=crsExpression;
WithExprStringGrid.Columns[1].Title.Caption:=crsCount;
ButtonPanel1.HelpButton.Caption:=crsHelp;
ButtonPanel1.OKButton.Caption:=crsBTNOK;
ButtonPanel1.CancelButton.Caption:=crsBTNCancel;
end;
procedure TAddWithBlockDialog.ButtonPanel1OKButtonClick(Sender: TObject);
var
i: Integer;
begin
i:=WithExprStringGrid.Row;
if (i<1) then exit;
ModalResult:=mrOk;
end;
function TAddWithBlockDialog.Check(aSrcEdit: TSourceEditorInterface): boolean;
var
i: Integer;
begin
Result:=false;
SrcEdit:=aSrcEdit;
Code:=TCodeBuffer(SrcEdit.CodeToolsBuffer);
StartPos:=SrcEdit.BlockBegin;
EndPos:=SrcEdit.BlockEnd;
Candidates:=TStringList.Create;
try
//debugln(['TAddWithBlockDialog.Check ',dbgs(StartPos),' ',dbgs(EndPos)]);
if not CodeToolBoss.AddWithBlock(Code,StartPos.X,StartPos.Y,EndPos.X,EndPos.Y,
'',Candidates)
then begin
debugln(['ShowAddWithBlockDialog CodeToolBoss.AddWithBlock check failed']);
LazarusIDE.DoJumpToCodeToolBossError;
exit;
end;
if Candidates.Count=0 then begin
IDEMessageDialog(crsCWError,
crsPleaseSelectSomeCodeInTheSourceEditorForANewWithBl,mtError,[mbCancel]);
exit;
end;
Candidates.CustomSort(@CompareObjectThenText);
WithExprStringGrid.RowCount:=Candidates.Count+1;
for i:=0 to Candidates.Count-1 do begin
WithExprStringGrid.Cells[0,i+1]:=Candidates[i];
WithExprStringGrid.Cells[1,i+1]:=IntToStr(PtrUInt(Candidates.Objects[i]));
end;
WithExprStringGrid.Row:=1;
WithExprStringGrid.Col:=0;
finally
Candidates.Free;
end;
Result:=true;
end;
{$R *.lfm}
end.
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