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unit MyEditorsReg;

interface

uses Controls, DesignIntf, DesignEditors, Forms, ImgList, MyTransButton, MyImageIndexForm;

type
  TImageListIndexEditor = class(TIntegerProperty)
  public
    function getAttributes : TPropertyAttributes; override;
    procedure Edit; override;
  end;

procedure Register;

implementation

uses
  Dialogs, MyButtonTools;

{ TImageListIndexEditor }

function TImageListIndexEditor.getAttributes: TPropertyAttributes;
begin
  result := [paDialog, paMultiSelect]
end;

procedure TImageListIndexEditor.Edit;
var
  Item : TMyTransButton;
  Images : TCustomImageList;
begin
  Item := TMyTransButton(GetComponent(0));
  Images := TMyTransButton(Item).Images;
  if Images = nil then
    MessageDlg('Keine ImageListe zugewiesen.', mtInformation, [mbOK], 0)
  else
    with TImageIndexForm.Create(Application) do
    try
      ImageList1.AddImages(Images);
      FormCaptionName := 'TMyTransButton - ' + Item.Name;
      ImageIndex := GetOrdValue;
      if Showmodal = mrOk then SetOrdValue(ImageIndex);
    finally
      free;
    end;
end;

procedure Register;
begin
  RegisterPropertyEditor(TypeInfo(TMyImageIndex), TMyTransButton, '', TImageListIndexEditor);
end;


end.                    

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unit MyImageIndexForm;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ImgList, ComCtrls, StdCtrls;

type
  TImageIndexForm = class(TForm)
    ImageList1: TImageList;
    ListView1: TListView;
    Button1: TButton;
    Button2: TButton;
    procedure FormCreate(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure ListView1SelectItem(Sender: TObject; Item: TListItem;
      Selected: Boolean);
    procedure ListView1DblClick(Sender: TObject);
  private
    { Private-Deklarationen }
    FFormCaptionName : string;
    FImageIndex : integer;
    procedure SetFormCaptionName(const Value:string);
    procedure SetImageIndex(const Value:integer);
  public
    { Public-Deklarationen }
    property FormCaptionName : string read FFormCaptionName write SetFormCaptionName;
    property ImageIndex : integer read FImageIndex write SetImageIndex;
  end;

var
  ImageIndexForm: TImageIndexForm;

implementation

{$R *.dfm}

{ TImageIndexForm }

procedure TImageIndexForm.SetFormCaptionName(const Value: string);
begin
  Caption := Value + '.ImageIndex ';
end;

procedure TImageIndexForm.SetImageIndex(const Value: integer);
begin
  FImageIndex := Value;
end;

procedure TImageIndexForm.FormCreate(Sender: TObject);
begin
  FImageIndex := -1;
end;

procedure TImageIndexForm.FormShow(Sender: TObject);
var
  I: Integer;
  ListItem : TListItem;
begin
  with ListView1 do
  begin
    SmallImages := ImageList1;
    LargeImages := ImageList1;
    for I := 0 to ImageList1.Count-1 do
    begin
      ListItem := Items.Add;
      ListItem.Caption := 'Image ' + inttostr(i);
      ListItem.ImageIndex := i;
    end;
    if (FImageIndex <-1) or (FImageIndex > ImageList1.Count-1) then
    begin
      ListView1.Selected := nil;
      FImageIndex := -1;
    end else
      ListView1.Selected := ListView1.Items.Item[FImageIndex];
  end;
end;

procedure TImageIndexForm.Button1Click(Sender: TObject);
begin
  Modalresult := mrOk;
end;

procedure TImageIndexForm.Button2Click(Sender: TObject);
begin
  Modalresult := mrCancel;
end;

procedure TImageIndexForm.ListView1SelectItem(Sender: TObject;
  Item: TListItem; Selected: Boolean);
begin
  if Selected then
  begin
    FImageIndex := Item.ImageIndex;
  end;
end;

procedure TImageIndexForm.ListView1DblClick(Sender: TObject);
begin
  Modalresult := mrOk;
end;

end.                    

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TMyImageIndex = integer;