{
    fpGUI  -  Free Pascal GUI Toolkit

    Copyright (C) 2006 - 2014 See the file AUTHORS.txt, included in this
    distribution, for details of the copyright.

    See the file COPYING.modifiedLGPL, included in this distribution,
    for details about redistributing fpGUI.

    This program 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.

    Description:
      This unit defines various forms/dialogs used in the UI Designer.
}

unit vfdforms;

{$mode objfpc}{$H+}

interface

uses
  Classes,
  SysUtils,
  fpg_base,
  fpg_widget,
  fpg_form,
  fpg_label,
  fpg_edit,
  fpg_button,
  fpg_combobox,
  fpg_trackbar,
  fpg_checkbox,
  fpg_tree;

type

  TVFDDialog = class(TfpgForm)
  protected
    procedure   HandleKeyPress(var keycode: word; var shiftstate: TShiftState; var consumed: boolean); override;
    procedure   SetupCaptions; virtual;
    procedure   FormShow(Sender: TObject); virtual;
  public
    constructor Create(AOwner: TComponent); override;
  end;


  TInsertCustomForm = class(TVFDDialog)
  protected
    procedure   SetupCaptions; override;
  public
    l1,
    l2: TfpgLabel;
    edClass: TfpgEdit;
    edName: TfpgEdit;
    btnOK: TfpgButton;
    btnCancel: TfpgButton;
    procedure   AfterCreate; override;
    procedure   OnButtonClick(Sender: TObject);
  end;


  TNewFormForm = class(TVFDDialog)
  private
    procedure   OnedNameKeyPressed(Sender: TObject; var KeyCode: word; var ShiftState: TShiftState; var Consumed: boolean);
  protected
    procedure   SetupCaptions; override;
  public
    l1: TfpgLabel;
    edName: TfpgEdit;
    btnOK: TfpgButton;
    btnCancel: TfpgButton;
    procedure   AfterCreate; override;
    procedure   OnButtonClick(Sender: TObject);
  end;


  TEditPositionForm = class(TVFDDialog)
  private
    procedure   edPosKeyPressed(Sender: TObject; var KeyCode: word; var ShiftState: TShiftState; var Consumed: boolean);
  protected
    procedure   SetupCaptions; override;
  public
    lbPos: TfpgLabel;
    edPos: TfpgEdit;
    btnOK: TfpgButton;
    btnCancel: TfpgButton;
    procedure   AfterCreate; override;
    procedure   OnButtonClick(Sender: TObject);
  end;


  TWidgetOrderForm = class(TVFDDialog)
  private
    function    GetTitle: string;
    procedure   SetTitle(const AValue: string);
  protected
    procedure   SetupCaptions; override;
  public
    {@VFD_HEAD_BEGIN: WidgetOrderForm}
    lblTitle: TfpgLabel;
    btnOK: TfpgButton;
    btnCancel: TfpgButton;
    btnUp: TfpgButton;
    btnDown: TfpgButton;
    TreeView1: TfpgTreeView;
    {@VFD_HEAD_END: WidgetOrderForm}
  public
    constructor Create(AOwner: TComponent); override;
    destructor  Destroy; override;
    procedure   AfterCreate; override;
    procedure   OnButtonClick(Sender: TObject);
    property    Title: string read GetTitle write SetTitle;
  end;


  TfrmVFDSetup = class(TVFDDialog)
  private
    FINIVersion: integer;
    procedure   LoadSettings;
    procedure   SaveSettings;
    procedure   btnOKClick(Sender: TObject);
  protected
    procedure   FormShow(Sender: TObject); override;
    procedure   SetupCaptions; override;
  public
    {@VFD_HEAD_BEGIN: frmVFDSetup}
    lb1: TfpgLabel;
    btnOK: TfpgButton;
    btnCancel: TfpgButton;
    lblRecentFiles: TfpgLabel;
    tbMRUFileCount: TfpgTrackBar;
    chkFullPath: TfpgCheckBox;
    lblName1: TfpgLabel;
    lblName2: TfpgLabel;
    edtDefaultExt: TfpgEdit;
    lblName3: TfpgLabel;
    chkUndoOnExit: TfpgCheckBox;
    chkOneClick: TfpgCheckBox;
    Label1: TfpgLabel;
    chkCodeRegions: TfpgCheckBox;
    cbIndentationType: TfpgComboBox;
    lblIndentType: TfpgLabel;
    edtGridX: TfpgEditInteger;
    {@VFD_HEAD_END: frmVFDSetup}
    procedure   AfterCreate; override;
    procedure   BeforeDestruction; override;
  end;



implementation

uses
  fpg_main,
  fpg_iniutils,
  fpg_constants,
  fpg_utils,
  vfd_constants,
  vfdprops; // used to get Object Inspector defaults


{ TInsertCustomForm }

procedure TInsertCustomForm.SetupCaptions;
begin
  inherited SetupCaptions;
  WindowTitle := rsDlgInsertCustomWidget;
  l1.Text := fpgAddColon(rsNewClassName);
  l2.Text := fpgAddColon(rsName);
end;

procedure TInsertCustomForm.AfterCreate;
begin
  {%region 'Auto-generated GUI code' -fold}
  inherited;
  WindowPosition := wpScreenCenter;
  WindowTitle := 'TInsertCustomForm';
  SetPosition(0, 0, 300, 100);

  l1        := CreateLabel(self, 8, 4, 'Class name:');
  edClass   := CreateEdit(self, 8, 24, 150, 0);
  edClass.Text := 'Tfpg';
  l2        := CreateLabel(self, 8, 48, 'Name:');
  edName    := CreateEdit(self, 8, 68, 150, 0);
  btnOK     := CreateButton(self, 180, 20, 100, rsOK, @OnButtonClick);
  btnCancel := CreateButton(self, 180, 52, 100, rsCancel, @OnButtonClick);
  {%endregion}
end;

procedure TInsertCustomForm.OnButtonClick(Sender: TObject);
begin
  if Sender = btnOK then
    ModalResult := mrOK
  else
    ModalResult := mrCancel;
end;

{ TNewFormForm }

procedure TNewFormForm.OnedNameKeyPressed(Sender: TObject; var KeyCode: word;
  var ShiftState: TShiftState; var Consumed: boolean);
begin
  if (KeyCode = keyEnter) or (KeyCode = keyPEnter) then
    btnOK.Click;
end;

procedure TNewFormForm.SetupCaptions;
begin
  inherited SetupCaptions;
  WindowTitle := rsDlgNewForm;
  l1.Text := fpgAddColon(rsNewFormName);
end;

procedure TNewFormForm.AfterCreate;
begin
  inherited AfterCreate;
  WindowPosition := wpScreenCenter;
  SetPosition(0, 0, 286, 66);
  WindowTitle := 'TNewFormForm';

  l1           := CreateLabel(self, 8, 8, 'Form name:');
  edName       := CreateEdit(self, 8, 28, 180, 0);
  edName.Text  := '';
  edName.OnKeyPress := @OnedNameKeyPressed;
  btnOK        := CreateButton(self, 196, 8, 80, rsOK, @OnButtonClick);
  btnCancel    := CreateButton(self, 196, 36, 80, rsCancel, @OnButtonClick);
end;

procedure TNewFormForm.OnButtonClick(Sender: TObject);
begin
  if Sender = btnOK then
    ModalResult := mrOK
  else
    ModalResult := mrCancel;
end;

{ TEditPositionForm }

procedure TEditPositionForm.edPosKeyPressed(Sender: TObject; var KeyCode: word;
  var ShiftState: TShiftState; var Consumed: boolean);
begin
  if (KeyCode = keyEnter) or (KeyCode = keyPEnter) then
    btnOK.Click;
end;

procedure TEditPositionForm.SetupCaptions;
begin
  inherited SetupCaptions;
  WindowTitle := rsDlgEditFormPosition;
  lbPos.Text := fpgAddColon(rsPosition);
end;

procedure TEditPositionForm.AfterCreate;
begin
  inherited AfterCreate;
  WindowPosition := wpScreenCenter;
  Width := 186;
  Height := 66;
  WindowTitle := 'TEditPositionForm';
  Sizeable := False;

  lbPos           := CreateLabel(self, 8, 8, 'Pos:');
  edPos           := CreateEdit(self, 8, 28, 80, 0);
  edPos.OnKeyPress := @edPosKeyPressed;
  btnOK           := CreateButton(self, 98, 8, 80, rsOK, @OnButtonClick);
  btnCancel       := CreateButton(self, 98, 36, 80, rsCancel, @OnButtonClick);
end;

procedure TEditPositionForm.OnButtonClick(Sender: TObject);
begin
  if Sender = btnOK then
    ModalResult := mrOK
  else
    ModalResult := mrCancel;
end;

{ TWidgetOrderForm }

function TWidgetOrderForm.GetTitle: string;
begin
  Result := lblTitle.Text;
end;

procedure TWidgetOrderForm.SetTitle(const AValue: string);
begin
  lblTitle.Text := Format(lblTitle.Text, [AValue]);
end;

procedure TWidgetOrderForm.SetupCaptions;
begin
  inherited SetupCaptions;
  btnOK.Text := rsOK;
  btnCancel.Text := rsCancel;
  btnUp.Text := rsUp;
  btnDown.Text := rsDown;
end;

constructor TWidgetOrderForm.Create(AOwner: TComponent);
begin
  inherited Create(AOwner);
  Name := 'WidgetOrderForm';
  gINI.ReadFormState(self);
end;

destructor TWidgetOrderForm.Destroy;
begin
  gINI.WriteFormState(self);
  inherited Destroy;
end;

procedure TWidgetOrderForm.AfterCreate;
begin
  inherited AfterCreate;
  {@VFD_BODY_BEGIN: WidgetOrderForm}
  Name := 'WidgetOrderForm';
  SetPosition(534, 173, 426, 398);
  WindowTitle := 'TWidgetOrderForm';
  Hint := '';
  WindowPosition := wpScreenCenter;

  lblTitle := TfpgLabel.Create(self);
  with lblTitle do
  begin
    Name := 'lblTitle';
    SetPosition(4, 4, 248, 16);
    FontDesc := '#Label1';
    Hint := '';
    Text := 'Form: %s';
  end;

  btnOK := TfpgButton.Create(self);
  with btnOK do
  begin
    Name := 'btnOK';
    SetPosition(346, 24, 75, 24);
    Anchors := [anRight,anTop];
    Text := 'OK';
    FontDesc := '#Label1';
    Hint := '';
    ImageName := 'stdimg.ok';
    ModalResult := mrOK;
    TabOrder := 2;
  end;

  btnCancel := TfpgButton.Create(self);
  with btnCancel do
  begin
    Name := 'btnCancel';
    SetPosition(346, 52, 75, 24);
    Anchors := [anRight,anTop];
    Text := 'Cancel';
    FontDesc := '#Label1';
    Hint := '';
    ImageName := 'stdimg.cancel';
    ModalResult := mrCancel;
    TabOrder := 3;
  end;

  btnUp := TfpgButton.Create(self);
  with btnUp do
  begin
    Name := 'btnUp';
    SetPosition(346, 108, 75, 24);
    Anchors := [anRight,anTop];
    Text := 'Up';
    FontDesc := '#Label1';
    Hint := '';
    ImageName := '';
    TabOrder := 4;
    OnClick := @OnButtonClick;
  end;

  btnDown := TfpgButton.Create(self);
  with btnDown do
  begin
    Name := 'btnDown';
    SetPosition(346, 136, 75, 24);
    Anchors := [anRight,anTop];
    Text := 'Down';
    FontDesc := '#Label1';
    Hint := '';
    ImageName := '';
    TabOrder := 5;
    OnClick := @OnButtonClick;
  end;

  TreeView1 := TfpgTreeView.Create(self);
  with TreeView1 do
  begin
    Name := 'TreeView1';
    SetPosition(4, 24, 336, 368);
    Anchors := [anLeft,anRight,anTop,anBottom];
    FontDesc := '#Label1';
    Hint := '';
    TabOrder := 7;
  end;

  {@VFD_BODY_END: WidgetOrderForm}
end;

procedure TWidgetOrderForm.OnButtonClick(Sender: TObject);
var
  lNode: TfpgTreeNode;
begin
  lNode := Treeview1.Selection;
  if lNode = nil then
    exit;
  
  if Sender = btnUp then
  begin
    if lNode.Prev = nil then
      exit; // nothing to do
    lNode.MoveTo(lNode.Prev, naInsert);
  end
  else
  begin   // btnDown
    if (lNode.Next = nil) then
      exit;  // nothing to do
    if (lNode.Next.Next = nil) then // the last node doesn't have a next
      lNode.MoveTo(lNode.Next, naAdd)
    else
      lNode.MoveTo(lNode.Next.Next, naInsert);  
  end;
  
  Treeview1.Invalidate;
end;

{ TVFDDialogBase }

procedure TVFDDialog.FormShow(Sender: TObject);
begin
  SetupCaptions;
end;

procedure TVFDDialog.HandleKeyPress(var keycode: word; var shiftstate: TShiftState; var consumed: boolean);
begin
  if keycode = keyEscape then
  begin
    consumed    := True;
    ModalResult := mrCancel;
  end;
  inherited HandleKeyPress(keycode, shiftstate, consumed);
end;

procedure TVFDDialog.SetupCaptions;
begin
  // to be implemented in descendants
end;

constructor TVFDDialog.Create(AOwner: TComponent);
begin
  inherited Create(AOwner);
  OnShow := @FormShow;
end;

procedure TfrmVFDSetup.FormShow(Sender: TObject);
begin
  inherited FormShow(Sender);
  { If it's an older version, don't load the size because the dialog dimensions
    probably changed in a newer version }
  if FINIVersion >= cDesignerINIVersion then
    gINI.ReadFormState(self)
  else
    gINI.ReadFormState(self, -1, -1, True);
end;

procedure TfrmVFDSetup.SetupCaptions;
begin
  inherited SetupCaptions;
  WindowTitle := rsDlgSetup;
  lb1.Text := fpgAddColon(rsGridResolution);
  btnOK.Text := rsOK;
  btnCancel.Text := rsCancel;
  lblRecentFiles.Text := fpgAddColon(rsRecentFilesCount);
  chkFullPath.Text := rsShowFullPathName;
  lblName1.Text := rsFormDesigner;
  lblName2.Text := rsOpenRecentSettings;
  lblName3.Text := rsVarious;
  chkUndoOnExit.Text := rsUndoOnPropertyExit;
  chkOneClick.Text := rsOneClickSelectAndMove;
  Label1.Text := fpgAddColon(rsDefaultFileExt);
  chkCodeRegions.Text := rsUseCodeRegions;
  lblIndentType.Text := fpgAddColon(rsIndentType);
end;

procedure TfrmVFDSetup.LoadSettings;
begin
  FINIVersion             := gINI.ReadInteger('Designer', 'Version', 0);
  edtGridX.Value          := gINI.ReadInteger('Options', 'GridResolution', 4);
  tbMRUFileCount.Position := gINI.ReadInteger('Options', 'MRUFileCount', 4);
  chkFullPath.Checked     := gINI.ReadBool('Options', 'ShowFullPath', True);
  edtDefaultExt.Text      := gINI.ReadString('Options', 'DefaultFileExt', '.pas');
  chkUndoOnExit.Checked   := gINI.ReadBool('Options', 'UndoOnExit', UndoOnPropExit);
  chkOneClick.Checked     := gINI.ReadBool('Options', 'OneClickMove', True);
  chkCodeRegions.Checked  := gINI.ReadBool('Options', 'UseCodeRegions', True);
  cbIndentationType.FocusItem := gINI.ReadInteger('Options', 'IndentationType', 0);
end;

procedure TfrmVFDSetup.SaveSettings;
begin
  gINI.WriteInteger('Designer', 'Version', cDesignerINIVersion);
  gINI.WriteInteger('Options', 'GridResolution', edtGridX.Value);
  gINI.WriteInteger('Options', 'MRUFileCount', tbMRUFileCount.Position);
  gINI.WriteBool('Options', 'ShowFullPath', chkFullPath.Checked);
  gINI.WriteString('Options', 'DefaultFileExt', edtDefaultExt.Text);
  gINI.WriteBool('Options', 'UndoOnExit', chkUndoOnExit.Checked);
  gINI.WriteBool('Options', 'OneClickMove', chkOneClick.Checked);
  gINI.WriteBool('Options', 'UseCodeRegions', chkCodeRegions.Checked);
  gINI.WriteInteger('Options', 'IndentationType', cbIndentationType.FocusItem);
end;

procedure TfrmVFDSetup.btnOKClick(Sender: TObject);
begin
  SaveSettings;
  ModalResult := mrOK;
end;

procedure TfrmVFDSetup.AfterCreate;
begin
  {@VFD_BODY_BEGIN: frmVFDSetup}
  Name := 'frmVFDSetup';
  SetPosition(392, 386, 398, 346);
  WindowTitle := 'General settings';
  Hint := '';
  ShowHint := True;
  WindowPosition := wpScreenCenter;
  MinHeight := 305;
  MinWidth := 335;

  lb1 := TfpgLabel.Create(self);
  with lb1 do
  begin
    Name := 'lb1';
    SetPosition(24, 32, 112, 16);
    FontDesc := '#Label1';
    Hint := '';
    Text := 'Grid resolution:';
  end;

  btnOK := TfpgButton.Create(self);
  with btnOK do
  begin
    Name := 'btnOK';
    SetPosition(238, 316, 75, 24);
    Anchors := [anRight,anBottom];
    Text := 'OK';
    FontDesc := '#Label1';
    Hint := '';
    ImageName := 'stdimg.ok';
    TabOrder := 6;
    OnClick := @btnOKClick;
  end;

  btnCancel := TfpgButton.Create(self);
  with btnCancel do
  begin
    Name := 'btnCancel';
    SetPosition(317, 316, 75, 24);
    Anchors := [anRight,anBottom];
    Text := 'Cancel';
    FontDesc := '#Label1';
    Hint := '';
    ImageName := 'stdimg.cancel';
    ModalResult := mrCancel;
    TabOrder := 7;
  end;

  lblRecentFiles := TfpgLabel.Create(self);
  with lblRecentFiles do
  begin
    Name := 'lblRecentFiles';
    SetPosition(24, 132, 124, 16);
    FontDesc := '#Label1';
    Hint := '';
    Text := 'Recent files count:';
  end;

  tbMRUFileCount := TfpgTrackBar.Create(self);
  with tbMRUFileCount do
  begin
    Name := 'tbMRUFileCount';
    SetPosition(156, 124, 76, 30);
    Hint := '';
    Max := 10;
    Min := 2;
    Position := 4;
    ShowPosition := True;
    TabOrder := 3;
  end;

  chkFullPath := TfpgCheckBox.Create(self);
  with chkFullPath do
  begin
    Name := 'chkFullPath';
    SetPosition(24, 156, 204, 20);
    FontDesc := '#Label1';
    Hint := '';
    TabOrder := 4;
    Text := 'Show the full file path';
  end;

  lblName1 := TfpgLabel.Create(self);
  with lblName1 do
  begin
    Name := 'lblName1';
    SetPosition(8, 8, 176, 16);
    FontDesc := '#Label2';
    Hint := '';
    Text := 'Form designer';
  end;

  lblName2 := TfpgLabel.Create(self);
  with lblName2 do
  begin
    Name := 'lblName2';
    SetPosition(8, 108, 232, 16);
    FontDesc := '#Label2';
    Hint := '';
    Text := 'Open Recent menu settings';
  end;

  edtDefaultExt := TfpgEdit.Create(self);
  with edtDefaultExt do
  begin
    Name := 'edtDefaultExt';
    SetPosition(164, 216, 68, 24);
    ExtraHint := '';
    FontDesc := '#Edit1';
    Hint := '';
    TabOrder := 5;
    Text := '';
  end;

  lblName3 := TfpgLabel.Create(self);
  with lblName3 do
  begin
    Name := 'lblName3';
    SetPosition(12, 192, 60, 16);
    FontDesc := '#Label2';
    Hint := '';
    Text := 'Various';
  end;

  chkUndoOnExit := TfpgCheckBox.Create(self);
  with chkUndoOnExit do
  begin
    Name := 'chkUndoOnExit';
    SetPosition(24, 56, 204, 18);
    FontDesc := '#Label1';
    Hint := '';
    TabOrder := 2;
    Text := 'Undo on property editor exit';
  end;

  chkOneClick := TfpgCheckBox.Create(self);
  with chkOneClick do
  begin
    Name := 'chkOneClick';
    SetPosition(24, 76, 224, 20);
    Checked := True;
    FontDesc := '#Label1';
    Hint := '';
    TabOrder := 12;
    Text := 'One click select and move';
  end;

  Label1 := TfpgLabel.Create(self);
  with Label1 do
  begin
    Name := 'Label1';
    SetPosition(24, 220, 132, 16);
    FontDesc := '#Label1';
    Hint := '';
    Text := 'Default file extension:';
  end;

  chkCodeRegions := TfpgCheckBox.Create(self);
  with chkCodeRegions do
  begin
    Name := 'chkCodeRegions';
    SetPosition(24, 244, 360, 20);
    FontDesc := '#Label1';
    Hint := 'Applies to new form/dialogs only';
    TabOrder := 18;
    Text := 'Use code-folding regions in auto-generated code';
  end;

  cbIndentationType := TfpgComboBox.Create(self);
  with cbIndentationType do
  begin
    Name := 'cbIndentationType';
    SetPosition(216, 264, 152, 24);
    ExtraHint := '';
    FontDesc := '#List';
    Hint := '';
    Items.Add('Space characters');
    Items.Add('Tab characters');
    FocusItem := 0;
    TabOrder := 16;
  end;

  lblIndentType := TfpgLabel.Create(self);
  with lblIndentType do
  begin
    Name := 'lblIndentType';
    SetPosition(24, 268, 192, 16);
    FontDesc := '#Label1';
    Hint := '';
    Text := 'Indent Type for generated code:';
  end;

  edtGridX := TfpgEditInteger.Create(self);
  with edtGridX do
  begin
    Name := 'edtGridX';
    SetPosition(119, 28, 48, 24);
    FontDesc := '#Edit1';
    Hint := '';
    MaxValue := 10;
    MinValue := 1;
    TabOrder := 18;
    Value := 4;
  end;

  {@VFD_BODY_END: frmVFDSetup}

  LoadSettings;
end;

procedure TfrmVFDSetup.BeforeDestruction;
begin
  // We don't put this in SaveSettings because it needs to be called even if
  // user cancels the dialog with btnCancel or ESC key press.
  gINI.WriteFormState(self);
  inherited BeforeDestruction;
end;


end.