Componentes.Terceros.jvcl/official/3.32/design/JvgPropertyCenter.pas

{-----------------------------------------------------------------------------
The contents of this file are 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-1.1.html

Software distributed under the License is distributed on an "AS IS" basis,
WITHOUT WARRANTY OF ANY KIND, either expressed or implied. See the License for
the specific language governing rights and limitations under the License.

The Original Code is: JvgPropertyCenter.PAS, released on 2003-01-15.

The Initial Developer of the Original Code is Andrey V. Chudin,  [chudin att yandex dott ru]
Portions created by Andrey V. Chudin are Copyright (C) 2003 Andrey V. Chudin.
All Rights Reserved.

Contributor(s):
Michael Beck [mbeck att bigfoot dott com].

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

Known Issues:
-----------------------------------------------------------------------------}
// $Id: JvgPropertyCenter.pas 10610 2006-05-19 13:35:08Z elahn $

unit JvgPropertyCenter;

{$I jvcl.inc}

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics,
  {$IFDEF USEJVCL}
  Controls, Forms, Dialogs, TypInfo,
  JvComponentBase;
  {$ELSE}
  Controls, Forms, Dialogs, TypInfo;
  {$ENDIF USEJVCL}

type
  TglProperty = (fupColor, fupFont, fupFontColor);
  TglProperties = set of TglProperty;

  Tgl_Property = (f_upColor, f_upFont, f_upFontColor);
  Tgl_Properties = set of Tgl_Property;

  {$IFDEF USEJVCL}
  TJvgPropertyCenter = class(TJvComponent)
  {$ELSE}
  TJvgPropertyCenter = class(TComponent)
  {$ENDIF USEJVCL}
  private
    FColorProperty: TColor;
    FFontColorProperty: TColor;
    FFontProperty: TFont;
    FComponentList: TStringList;
    FUseProperties: TglProperties;
    FAutoApdate: Boolean;
    procedure SetColorProperty(Value: TColor);
    procedure SetFontColorProperty(Value: TColor);
    procedure SetFontProperty(Value: TFont);
    procedure UpdateProperties(Properties: Tgl_Properties);
  protected
    procedure Notification(Component: TComponent; Operation: TOperation); override;
    procedure Loaded; override;
  public
    CompList: TList;
    constructor Create(AOwner: TComponent); override;
    destructor Destroy; override;
  published
    property ColorProperty: TColor read FColorProperty write SetColorProperty;
    property FontColorProperty: TColor read FFontColorProperty write SetFontColorProperty;
    property FontProperty: TFont read FFontProperty write SetFontProperty;
    property ComponentList: TStringList read FComponentList write FComponentList;
    property UseProperties: TglProperties read FUseProperties write FUseProperties;
    property AutoApdate: Boolean read FAutoApdate write FAutoApdate;
  end;

implementation

uses
  JvgUtils, JvgTypes, JvgComponentListEditorForm;

constructor TJvgPropertyCenter.Create(AOwner: TComponent);
begin
  inherited Create(AOwner);
  ComponentList := TStringList.Create;
  CompList := TList.Create;
end;

destructor TJvgPropertyCenter.Destroy;
begin
  ComponentList.Free;
  CompList.Free;
  inherited Destroy;
end;

procedure TJvgPropertyCenter.Loaded;
var
  I: Integer;
  Comp: TComponent;
begin
  inherited Loaded;

  for I := 0 to ComponentList.Count - 1 do
  begin
    Comp := Owner.FindComponent(ComponentList[I]);
    if Comp <> nil then
    begin
      CompList.Add(Comp);
      ComponentList.Add(Comp.Name);
    end;
  end;
end;

procedure TJvgPropertyCenter.Notification(Component: TComponent;
  Operation: TOperation);
begin
  if (Component <> Self) and (Operation = opRemove) then
    if CompList.IndexOf(Component) <> -1 then
      CompList.Delete(CompList.IndexOf(Component));
  inherited Notification(Component, Operation);
end;

procedure TJvgPropertyCenter.UpdateProperties(Properties: Tgl_Properties);
var
  I: Integer;
  ColorPropInfo: PPropInfo;
begin
  for I := 0 to CompList.Count - 1 do
  begin
    if f_upColor in Properties then
    begin
      ColorPropInfo := GetPropInfo(TComponent(CompList[I]).ClassInfo, 'Color');
      if ColorPropInfo <> nil then
        SetOrdProp(TComponent(CompList[I]), ColorPropInfo, FColorProperty);
    end;
    {    if (fupFontColor in Properties)or(fupFont in Properties) then
        begin
          ColorPropInfo := GetPropInfo( TComponent(CompList[I]).ClassInfo, 'Font');
          if ColorPropInfo <> nil then
            if fupFontColor in Properties then
              SetOrdProp( TComponent(CompList[I]), PropInfo, FColorProperty );
        end;}
  end;
end;

procedure TJvgPropertyCenter.SetColorProperty(Value: TColor);
begin
  if FColorProperty <> Value then
  begin
    FColorProperty := Value;
    if AutoApdate then
      UpdateProperties([f_upColor]);
  end;
end;

procedure TJvgPropertyCenter.SetFontColorProperty(Value: TColor);
begin
  if FFontColorProperty <> Value then
  begin
    FFontColorProperty := Value;
    if AutoApdate then
      UpdateProperties([f_upFontColor]);
  end;
end;

procedure TJvgPropertyCenter.SetFontProperty(Value: TFont);
begin
  if FFontProperty <> Value then
  begin
    FFontProperty.Assign(Value);
    if AutoApdate then
      UpdateProperties([f_upFont]);
  end;
end;

end.