File: debugger_language_exceptions_options.pas

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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.   *
 *                                                                         *
 ***************************************************************************
}
unit debugger_language_exceptions_options;

{$mode objfpc}{$H+}

interface

uses
  Classes, SysUtils,
  // LCL
  Forms, Controls, StdCtrls, CheckLst, Buttons, Dialogs,
  // IdeIntf
  IDEImagesIntf, IDEOptionsIntf, IDEOptEditorIntf,
  // IDE
  LazarusIDEStrConsts, Debugger, BaseDebugManager;

type

  { TDebuggerLanguageExceptionsOptions }

  TDebuggerLanguageExceptionsOptions = class(TAbstractIDEOptionsEditor)
    bgIgnoreExceptions: TGroupBox;
    chkNotifyOnException: TCheckBox;
    clbExceptions: TCheckListBox;
    cmdExceptionAdd: TBitBtn;
    cmdExceptionRemove: TBitBtn;
    DbgLangExceptHint: TLabel;
    procedure clbExceptionsClick(Sender: TObject);
    procedure cmdExceptionAddClick(Sender: TObject);
    procedure cmdExceptionRemoveClick(Sender: TObject);
  private
    FExceptionDeleteList: TStringList;
    procedure AddExceptionLine(const AException: TIDEException; AName: String);
  public
    constructor Create(AOwner: TComponent); override;
    destructor Destroy; override;
    function GetTitle: String; override;
    procedure Setup({%H-}ADialog: TAbstractOptionsEditorDialog); override;
    procedure ReadSettings({%H-}AOptions: TAbstractIDEOptions); override;
    procedure WriteSettings({%H-}AOptions: TAbstractIDEOptions); override;
    class function SupportedOptionsClass: TAbstractIDEOptionsClass; override;
  end;

implementation

{$R *.lfm}

{ TDebuggerLanguageExceptionsOptions }

procedure TDebuggerLanguageExceptionsOptions.cmdExceptionAddClick(
  Sender: TObject);
var
  idx: Integer;
  S: String;
begin
  S:='';
  if not InputQuery(lisDebugOptionsFrmAddException, lisDebugOptionsFrmEnterExceptionName, S)
  then Exit;

  if clbExceptions.Items.IndexOf(S) = -1
  then begin
    idx := FExceptionDeleteList.IndexOf(S);
    if idx = -1
    then begin
      AddExceptionLine(nil, S);
    end
    else begin
      AddExceptionLine(TIDEException(FExceptionDeleteList.Objects[idx]), S);
      FExceptionDeleteList.Delete(idx);
    end;
  end
  else begin
    MessageDlg(lisDebugOptionsFrmDuplicateExceptionName, mtError, [mbOK], 0);
  end;
end;

procedure TDebuggerLanguageExceptionsOptions.clbExceptionsClick(Sender: TObject);
begin
  cmdExceptionRemove.Enabled :=  clbExceptions.ItemIndex <> -1;
end;

procedure TDebuggerLanguageExceptionsOptions.cmdExceptionRemoveClick(
  Sender: TObject);
var
  idx: Integer;
  obj: TObject;
begin
  idx := clbExceptions.ItemIndex;
  if idx <> -1
  then begin
    obj := clbExceptions.Items.Objects[idx];
    if obj <> nil
    then FExceptionDeleteList.AddObject(clbExceptions.Items[idx], obj);
    clbExceptions.Items.Delete(idx);
  end;
  cmdExceptionRemove.Enabled :=  clbExceptions.ItemIndex <> -1;
end;

procedure TDebuggerLanguageExceptionsOptions.AddExceptionLine(
  const AException: TIDEException; AName: String);
var
  idx: Integer;
begin
  if (AName = '') and (AException <> nil)
  then AName := AException.Name;
  if AName = '' then Exit;

  idx := clbExceptions.Items.AddObject(AName, AException);
  clbExceptions.Checked[idx] := (AException = nil) or AException.Enabled;
end;

constructor TDebuggerLanguageExceptionsOptions.Create(AOwner: TComponent);
begin
  inherited Create(AOwner);
  FExceptionDeleteList := TStringList.Create;
  FExceptionDeleteList.Sorted := True;
end;

destructor TDebuggerLanguageExceptionsOptions.Destroy;
begin
  FreeAndNil(FExceptionDeleteList);
  inherited Destroy;
end;

function TDebuggerLanguageExceptionsOptions.GetTitle: String;
begin
  Result := lisDebugOptionsFrmLanguageExceptions;
end;

procedure TDebuggerLanguageExceptionsOptions.Setup(
  ADialog: TAbstractOptionsEditorDialog);
begin
  bgIgnoreExceptions.Caption := lisDebugOptionsFrmIgnoreTheseExceptions;
  DbgLangExceptHint.Caption := lisTheseSettingsAreStoredWithTheProject;
  cmdExceptionRemove.Caption := lisRemove;
  cmdExceptionAdd.Caption := lisAdd;
  IDEImages.AssignImage(cmdExceptionRemove, 'laz_delete');
  IDEImages.AssignImage(cmdExceptionAdd, 'laz_add');
  chkNotifyOnException.Caption := lisDebugOptionsFrmNotifyOnLazarusExceptions;
end;

procedure TDebuggerLanguageExceptionsOptions.ReadSettings(
  AOptions: TAbstractIDEOptions);
var
  n: integer;
begin
  chkNotifyOnException.Checked := not DebugBoss.Exceptions.IgnoreAll;
  for n := 0 to DebugBoss.Exceptions.Count - 1 do
    AddExceptionLine(DebugBoss.Exceptions[n], '');
end;

procedure TDebuggerLanguageExceptionsOptions.WriteSettings(
  AOptions: TAbstractIDEOptions);
var
  n: integer;
  ie: TIDEException;
begin
  for n := 0 to FExceptionDeleteList.Count - 1 do
    FExceptionDeleteList.Objects[n].Free;

  for n := 0 to clbExceptions.Items.Count - 1 do
  begin
    ie := TIDEException(clbExceptions.Items.Objects[n]);
    if ie = nil
    then begin
      ie := DebugBoss.Exceptions.Add(clbExceptions.Items[n]);
      ie.Enabled := clbExceptions.Checked[n];
    end
    else begin
      ie.BeginUpdate;
      try
        ie.Name := clbExceptions.Items[n];
        ie.Enabled := clbExceptions.Checked[n];
      finally
        ie.EndUpdate;
      end;
    end;
  end;
  DebugBoss.Exceptions.IgnoreAll := not chkNotifyOnException.Checked;
end;

class function TDebuggerLanguageExceptionsOptions.SupportedOptionsClass: TAbstractIDEOptionsClass;
begin
  Result := TDebuggerOptions;
end;

initialization
  RegisterIDEOptionsEditor(GroupDebugger, TDebuggerLanguageExceptionsOptions, DbgOptionsLanguageExceptions);
end.