Componentes.Terceros.jvcl/official/3.36/examples/JvListComb/ListCombMainFormU.pas

{******************************************************************

                       JEDI-VCL Demo

 Copyright (C) 2002 Project JEDI

 Original author:

 Contributor(s):

 You may retrieve the latest version of this file at the JEDI-JVCL
 home page, located at http://jvcl.sourceforge.net

 The contents of this file are used with permission, subject to
 the Mozilla Public License Version 1.1 (the "License"); you may
 not use this file except in compliance with the License. You may
 obtain a copy of the License at
 http://www.mozilla.org/MPL/MPL-1_1Final.html

 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.

******************************************************************}

unit ListCombMainFormU;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls, Menus, ImgList, JvListComb, ExtCtrls, JvColorBox, 
  JvColorCombo, JvComponent, JvCtrls, JvCombobox, JvColorButton,
  JvExControls, JvExStdCtrls;

type
  TListCombMainForm = class(TForm)
    ImageList1: TImageList;
    Panel2: TPanel;
    JvListBox1: TJvImageListBox;
    Splitter1: TSplitter;
    Panel3: TPanel;
    Button2: TButton;
    JvComboBox1: TJvImageComboBox;
    CheckBox1: TCheckBox;
    JvColorComboBox1: TJvColorComboBox;
    JvFontComboBox1: TJvFontComboBox;
    JvColorButton1: TJvColorButton;
    Button1: TButton;
    PanelTop: TPanel;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    procedure TransparentButton1Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure CheckBox1Click(Sender: TObject);
    procedure JvColorComboBox1Change(Sender: TObject);
    procedure JvFontComboBox1Change(Sender: TObject);
    procedure JvColorButton1Change(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  end;

var
  ListCombMainForm: TListCombMainForm;

implementation

{$R *.DFM}

procedure TListCombMainForm.TransparentButton1Click(Sender: TObject);
begin
  ShowMessage('Hej Simon!')
end;

procedure TListCombMainForm.Button1Click(Sender: TObject);
var S: TStringlist; i: integer;
begin
  with TOpenDialog.Create(nil) do
  try
    Filter := 'Text files|*.txt|All files|*.*';
    if Execute then
    begin
      S := TStringlist.Create;
      try
        S.LoadFromFile(Filename);
        JvComboBox1.Items.Assign(S);
        JvListBox1.Items.Assign(S);
        if JvComboBox1.Images <> nil then
          for i := 0 to JvComboBox1.Items.Count - 1 do
          begin
            JvComboBox1.Items[i].ImageIndex := i mod JvComboBox1.Images.Count;
            JvListBox1.Items[i].ImageIndex := JvComboBox1.Items[i].ImageIndex;
          end;
        JvComboBox1.ItemIndex := 0;
      finally
        S.Free;
      end;
    end;
  finally
    Free;
  end;
end;

procedure TListCombMainForm.Button2Click(Sender: TObject);
begin
  case JvListBox1.Alignment of
    taLeftJustify: JvListBox1.Alignment := taRightJustify;
    taRightJustify: JvListBox1.Alignment := taCenter;
    taCenter: JvListBox1.Alignment := taLeftJustify;
  end;
end;

procedure TListCombMainForm.CheckBox1Click(Sender: TObject);
begin
  if CheckBox1.Checked then
  begin
    JvComboBox1.Images := ImageList1;
    JvListBox1.Images := ImageList1;
  end
  else
  begin
    JvComboBox1.Images := nil;
    JvListBox1.Images := nil;
  end;
end;

procedure TListCombMainForm.JvColorComboBox1Change(Sender: TObject);
begin
  JvListBox1.Color := JvColorComboBox1.ColorValue;
  JvComboBox1.Color := JvColorComboBox1.ColorValue;
end;

procedure TListCombMainForm.JvFontComboBox1Change(Sender: TObject);
begin
  JvListBox1.Font.Name := JvFontComboBox1.FontName;
  JvComboBox1.Font.Name := JvFontComboBox1.FontName;
end;

procedure TListCombMainForm.JvColorButton1Change(Sender: TObject);
begin
  JvComboBox1.Font.Color := JvColorButton1.Color;
  JvListBox1.Font.Color := JvColorButton1.Color;
end;

procedure TListCombMainForm.FormCreate(Sender: TObject);
begin
  JvFontComboBox1.FontName := JvComboBox1.Font.Name;
end;

end.