Componentes.Terceros.DevExpressVCL/internal/x.42/2/ExpressPrinting System/Sources/dxPSfmStlAdd.pas

{*******************************************************************}
{                                                                   }
{       Developer Express Visual Component Library                  }
{       ExpressPrinting System(tm) COMPONENT SUITE                  }
{                                                                   }
{       Copyright (C) 1998-2009 Developer Express Inc.              }
{       ALL RIGHTS RESERVED                                         }
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{   RESTRICTIONS                                                    }
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{   THIS SOURCE CODE AND ALL RESULTING INTERMEDIATE FILES           }
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{   SECRETS OF DEVELOPER EXPRESS INC. THE REGISTERED DEVELOPER IS   }
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{   EXECUTABLE PROGRAM ONLY.                                        }
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{*******************************************************************}

unit dxPSfmStlAdd;

interface

{$I cxVer.inc}

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls, dxPSForm, dxPgsDlg;

type
  TdxfmSelectStyleClass = class(TCustomdxPSForm)
    GroupBox1: TGroupBox;
    btnOK: TButton;
    btnCancel: TButton;
    btnHelp: TButton;
    Label1: TLabel;
    cbxStyleTypes: TComboBox;
    procedure Label1Click(Sender: TObject);
    procedure cbxStyleTypesChange(Sender: TObject);
  private
    FStyleClass: TdxPrintStyleClass;
    procedure RefreshList;
  public
    constructor Create(AOwner: TComponent); override;
    function Execute(const Pt: TPoint): TdxPrintStyleClass;
  end;

function dxSelectStyleClass(const Pt: TPoint): TdxPrintStyleClass;

implementation

{$R *.DFM}

uses
  dxPSGlbl;

function dxSelectStyleClass(const Pt: TPoint): TdxPrintStyleClass;
begin
  with TdxfmSelectStyleClass.Create(nil) do
  try
    Result := Execute(Pt);
  finally
    Free;
  end;
end;

{ TdxfmAddNewPrintStyle }

constructor TdxfmSelectStyleClass.Create(AOwner: TComponent);
begin
  inherited;
  HelpContext := dxPSGlbl.dxhcAddStyleDlg;
  btnHelp.Visible := HelpContext <> 0;
  if not btnHelp.Visible then
  begin
    btnOK.BoundsRect := btnCancel.BoundsRect;
    btnCancel.BoundsRect := btnHelp.BoundsRect;
  end;
  FStyleClass := nil;
  RefreshList;
end;

procedure TdxfmSelectStyleClass.RefreshList;
var
  SaveCursor: TCursor;
begin
  SaveCursor := Screen.Cursor;
  Screen.Cursor := crHourGlass;
  try
    with cbxStyleTypes do
    begin
      Items.BeginUpdate;
      try
        Items.Clear;
        dxPSGetRegisteredPrintStylesList(cbxStyleTypes.Items);
      finally
        Items.EndUpdate;
      end;
      if Items.Count <> 0 then
      begin
        ItemIndex := Items.IndexOfObject(TObject(dxPgsDlg.dxDefaultPrintStyleClass));
        if ItemIndex = -1 then ItemIndex := 0;
        cbxStyleTypesChange(nil);
      end;
    end;
  finally
    Screen.Cursor := SaveCursor;
  end;
end;

function TdxfmSelectStyleClass.Execute(const Pt: TPoint): TdxPrintStyleClass;
begin
  if (Pt.X = MaxInt) and (Pt.Y = MaxInt) then
    Position := poScreenCenter
  else
  begin
    Left := Pt.X;
    Top := Pt.Y;
  end;
  
  if ShowModal = mrOK then
    Result := FStyleClass
  else
    Result := nil;
end;

procedure TdxfmSelectStyleClass.Label1Click(Sender: TObject);
begin
  ActiveControl := TLabel(Sender).FocusControl;
  if TComboBox(ActiveControl).Style = csDropDownList then
    TComboBox(ActiveControl).DroppedDown := True;
end;

procedure TdxfmSelectStyleClass.cbxStyleTypesChange(Sender: TObject);
begin
  with cbxStyleTypes do
    FStyleClass := TdxPrintStyleClass(Items.Objects[ItemIndex]);
end;

end.