unit fODText;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  fODBase, StdCtrls, ORCtrls, ComCtrls, ExtCtrls, ORFn, uConst, ORDtTm;

type
  TfrmODText = class(TfrmODBase)
    memText: TMemo;
    lblText: TLabel;
    txtStart: TORDateBox;
    txtStop: TORDateBox;
    lblStart: TLabel;
    lblStop: TLabel;
    procedure FormCreate(Sender: TObject);
    procedure ControlChange(Sender: TObject);
  public
    procedure InitDialog; override;
    procedure SetupDialog(OrderAction: Integer; const ID: string); override;
    procedure Validate(var AnErrMsg: string); override;
  end;

var
  frmODText: TfrmODText;

implementation

{$R *.DFM}

uses rCore;

const
  TX_NO_TEXT = 'Some text must be entered.';
  TX_STARTDT = 'Unable to interpret start date.';
  TX_STOPDT  = 'Unable to interpret stop date.';
  TX_GREATER = 'Stop date must be greater than start date.';

{ TfrmODBase common methods }

procedure TfrmODText.FormCreate(Sender: TObject);
begin
  inherited;
  FillerID := 'OR';                     // does 'on Display' order check **KCM**
  StatusText('Loading Dialog Definition');
  Responses.Dialog := 'OR GXTEXT WORD PROCESSING ORDE';  // loads formatting info
  //StatusText('Loading Default Values');                // there are no defaults for text only
  //CtrlInits.LoadDefaults(ODForText);
  InitDialog;
  StatusText('');
end;

procedure TfrmODText.InitDialog;
begin
  inherited;                             // inherited clears dialog controls and responses
  ActiveControl := memText;  //SetFocusedControl(memText);
end;

procedure TfrmODText.SetupDialog(OrderAction: Integer; const ID: string);
begin
  inherited;
  if OrderAction in [ORDER_COPY, ORDER_EDIT, ORDER_QUICK] then with Responses do
  begin
    SetControl(memText,  'COMMENT', 1);
    SetControl(txtStart, 'START',   1);
    SetControl(txtStop,  'STOP',    1);
  end
  else txtStart.Text := 'NOW';
end;

procedure TfrmODText.Validate(var AnErrMsg: string);
const
  SPACE_CHAR = 32;
var
  ContainsPrintable: Boolean;
  i: Integer;
  StartTime, StopTime: TFMDateTime;

  procedure SetError(const x: string);
  begin
    if Length(AnErrMsg) > 0 then AnErrMsg := AnErrMsg + CRLF;
    AnErrMsg := AnErrMsg + x;
  end;

begin
  inherited;
  ContainsPrintable := False;
  for i := 1 to Length(memText.Text) do if Ord(memText.Text[i]) > SPACE_CHAR then
  begin
    ContainsPrintable := True;
    break;
  end;
  if not ContainsPrintable then SetError(TX_NO_TEXT);
  with txtStart do if Length(Text) > 0
    then StartTime := StrToFMDateTime(Text)
    else StartTime := 0;
  with txtStop do if Length(Text) > 0
    then StopTime := StrToFMDateTime(Text)
    else StopTime := 0;
  if StartTime = -1 then SetError(TX_STARTDT);
  if StopTime  = -1 then SetError(TX_STARTDT);
  if (StopTime > 0) and (StopTime < StartTime) then SetError(TX_GREATER);
  //the following is commented out because should be using relative times
  //if AnErrMsg = '' then
  //begin
  //  Responses.Update('START', 1, FloatToStr(StartTime), txtStart.Text);
  //  Responses.Update('STOP', 1, FloatToStr(StopTime), txtStop.Text);
  //end;
end;

procedure TfrmODText.ControlChange(Sender: TObject);
begin
  inherited;
  if Changing then Exit;
  with memText  do if GetTextLen > 0   then Responses.Update('COMMENT', 1, TX_WPTYPE, Text);
  with txtStart do if Length(Text) > 0 then Responses.Update('START', 1, Text, Text);
  with txtStop  do if Length(Text) > 0 then Responses.Update('STOP', 1, Text, Text);
  memOrder.Text := Responses.OrderText;
end;

end.