1368 lines
36 KiB
Plaintext
1368 lines
36 KiB
Plaintext
unit ORDtTm;
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{$O-}
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interface
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uses
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Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, Buttons,
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Grids, Calendar, ExtCtrls, ORFn, ORNet, ORDtTmCal, Mask, ComCtrls, ORCtrls;
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type
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TORfrmDtTm = class(TForm)
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bvlFrame: TBevel;
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lblDate: TPanel;
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txtTime: TEdit;
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lstHour: TListBox;
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lstMinute: TListBox;
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cmdOK: TButton;
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cmdCancel: TButton;
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calSelect: TORCalendar;
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pnlPrevMonth: TPanel;
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pnlNextMonth: TPanel;
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imgPrevMonth: TImage;
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imgNextMonth: TImage;
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bvlRButton: TBevel;
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cmdToday: TButton;
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cmdNow: TButton;
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cmdMidnight: TButton;
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procedure FormCreate(Sender: TObject);
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procedure calSelectChange(Sender: TObject);
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procedure cmdTodayClick(Sender: TObject);
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procedure txtTimeChange(Sender: TObject);
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procedure lstHourClick(Sender: TObject);
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procedure lstMinuteClick(Sender: TObject);
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procedure cmdNowClick(Sender: TObject);
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procedure cmdOKClick(Sender: TObject);
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procedure cmdCancelClick(Sender: TObject);
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procedure imgPrevMonthClick(Sender: TObject);
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procedure imgNextMonthClick(Sender: TObject);
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procedure imgPrevMonthMouseDown(Sender: TObject; Button: TMouseButton;
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Shift: TShiftState; X, Y: Integer);
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procedure imgNextMonthMouseDown(Sender: TObject; Button: TMouseButton;
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Shift: TShiftState; X, Y: Integer);
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procedure imgPrevMonthMouseUp(Sender: TObject; Button: TMouseButton;
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Shift: TShiftState; X, Y: Integer);
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procedure imgNextMonthMouseUp(Sender: TObject; Button: TMouseButton;
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Shift: TShiftState; X, Y: Integer);
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procedure cmdMidnightClick(Sender: TObject);
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private
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FFromSelf: Boolean;
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FNowPressed: Boolean;
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TimeIsRequired: Boolean;
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end;
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{ TORDateTimeDlg }
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TORDateTimeDlg = class(TComponent)
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private
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FDateTime: TDateTime;
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FDateOnly: Boolean;
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FRequireTime: Boolean;
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FRelativeTime: string;
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function GetFMDateTime: TFMDateTime;
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procedure SetDateOnly(Value: Boolean);
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procedure SetFMDateTime(Value: TFMDateTime);
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procedure SetRequireTime(Value: Boolean);
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public
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constructor Create(AOwner: TComponent); override;
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function Execute: Boolean;
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property RelativeTime: string read FRelativeTime;
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published
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property FMDateTime: TFMDateTime read GetFMDateTime write SetFMDateTime;
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property DateOnly: Boolean read FDateOnly write SetDateOnly;
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property RequireTime: Boolean read FRequireTime write SetRequireTime;
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end;
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{ TORDateBox }
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TORDateEdit = class(TEdit)
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protected
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procedure CreateParams(var Params: TCreateParams); override;
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end;
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TORDateBox = class(TORDateEdit)
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private
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FFMDateTime: TFMDateTime;
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FDateOnly: Boolean;
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FRequireTime: Boolean;
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FButton: TBitBtn;
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FFormat: string;
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FTimeIsNow: Boolean;
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FTemplateField: boolean;
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FCaption: TStaticText;
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procedure ButtonClick(Sender: TObject);
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function GetFMDateTime: TFMDateTime;
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function GetRelativeTime: string;
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procedure SetDateOnly(Value: Boolean);
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procedure SetFMDateTime(Value: TFMDateTime);
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procedure SetEditRect;
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procedure SetRequireTime(Value: Boolean);
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procedure UpdateText;
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procedure WMSize(var Message: TWMSize); message WM_SIZE;
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procedure SetTemplateField(const Value: boolean);
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procedure SetCaption(const Value: string);
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function GetCaption(): string;
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protected
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procedure Change; override;
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procedure KeyDown(var Key: Word; Shift: TShiftState); override;
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public
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constructor Create(AOwner: TComponent); override;
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function IsValid: Boolean;
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procedure Validate(var ErrMsg: string);
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property Format: string read FFormat write FFormat;
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property RelativeTime: string read GetRelativeTime;
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property TemplateField: boolean read FTemplateField write SetTemplateField;
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published
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property FMDateTime: TFMDateTime read GetFMDateTime write SetFMDateTime;
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property DateOnly: Boolean read FDateOnly write SetDateOnly;
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property RequireTime: Boolean read FRequireTime write SetRequireTime;
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property Caption: string read GetCaption write SetCaption;
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end;
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TORDateCombo = class(TCustomPanel)
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private
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FYearChanging: boolean;
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FMonthCombo: TORComboBox;
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FDayCombo: TORComboBox;
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FYearEdit: TMaskEdit;
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FYearUD: TUpDown;
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FCalBtn: TSpeedButton;
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FIncludeMonth: boolean;
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FIncludeDay: boolean;
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FIncludeBtn: boolean;
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FLongMonths: boolean;
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FMonth: integer;
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FDay: integer;
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FYear: integer;
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FCtrlsCreated: boolean;
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FOnChange: TNotifyEvent;
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FRebuilding: boolean;
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FTemplateField: boolean;
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procedure SetIncludeBtn(const Value: boolean);
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procedure SetIncludeDay(Value: boolean);
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procedure SetIncludeMonth(const Value: boolean);
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procedure SetLongMonths(const Value: boolean);
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procedure SetDay(Value: integer);
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procedure SetMonth(Value: integer);
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procedure SetYear(const Value: integer);
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function GetFMDate: TFMDateTime;
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procedure SetFMDate(const Value: TFMDateTime);
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procedure CMFontChanged(var Message: TMessage); message CM_FONTCHANGED;
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procedure SetTemplateField(const Value: boolean);
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protected
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procedure Rebuild;
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function InitDays(GetSize: boolean): integer;
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function InitMonths(GetSize: boolean): integer;
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function GetYearSize: integer;
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procedure DoChange;
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procedure MonthChanged(Sender: TObject);
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procedure DayChanged(Sender: TObject);
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procedure YearChanged(Sender: TObject);
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procedure BtnClicked(Sender: TObject);
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procedure YearUDChange(Sender: TObject; var AllowChange: Boolean;
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NewValue: Smallint; Direction: TUpDownDirection);
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procedure YearKeyPress(Sender: TObject; var Key: Char);
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procedure CheckDays;
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procedure Loaded; override;
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procedure Paint; override;
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procedure Resized(Sender: TObject);
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public
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constructor Create(AOwner: TComponent); override;
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destructor Destroy; override;
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function DateText: string;
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property TemplateField: boolean read FTemplateField write SetTemplateField;
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property FMDate: TFMDateTime read GetFMDate write SetFMDate;
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published
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function Text: string;
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property IncludeBtn: boolean read FIncludeBtn write SetIncludeBtn;
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property IncludeDay: boolean read FIncludeDay write SetIncludeDay;
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property IncludeMonth: boolean read FIncludeMonth write SetIncludeMonth;
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property LongMonths: boolean read FLongMonths write SetLongMonths default FALSE;
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property Month: integer read FMonth write SetMonth;
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property Day: integer read FDay write SetDay;
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property Year: integer read FYear write SetYear;
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property OnChange: TNotifyEvent read FOnChange write FOnChange;
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property Anchors;
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property Enabled;
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property Font;
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property ParentColor;
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property ParentFont;
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property TabOrder;
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property TabStop;
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property Visible;
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end;
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function IsLeapYear(AYear: Integer): Boolean;
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function DaysPerMonth(AYear, AMonth: Integer): Integer;
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procedure Register;
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implementation
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{$R *.DFM}
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{$R ORDtTm}
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const
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FMT_DATETIME = 'mmm d,yyyy@hh:nn';
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FMT_DATEONLY = 'mmm d,yyyy';
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(*
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HOURS_AMPM: array[0..23] of string[3] =
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('12a',' 1',' 2',' 3',' 4',' 5',' 6',' 7',' 8',' 9','10 ','11 ',
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'12p',' 1',' 2',' 3',' 4',' 5',' 6',' 7',' 8',' 9','10 ','11 ');
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HOURS_MIL: array[0..23] of string[2] =
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('00','01','02','03','04','05','06','07','08','09','10','11',
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'12','13','14','15','16','17','18','19','20','21','22','23');
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*)
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AdjVertSize = 8;
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FontHeightText = 'BEFHILMSTVWXZfgjmpqtyk';
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var
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uServerToday: TFMDateTime;
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{ Server-dependent functions ---------------------------------------------------------------- }
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function ActiveBroker: Boolean;
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begin
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Result := False;
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if (RPCBrokerV <> nil) and RPCBrokerV.Connected then Result := True;
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end;
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function ServerFMNow: TFMDateTime;
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begin
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if ActiveBroker
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then Result := StrToFloat(sCallV('ORWU DT', ['NOW']))
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else Result := DateTimeToFMDateTime(Now);
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end;
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function ServerNow: TDateTime;
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begin
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if ActiveBroker
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then Result := FMDateTimeToDateTime(ServerFMNow)
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else Result := Now;
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end;
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function ServerToday: TDateTime;
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begin
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if uServerToday = 0 then uServerToday := Int(ServerFMNow);
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Result := FMDateTimeToDateTime(uServerToday);
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end;
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(*
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function ServerFMToday: TFMDateTime; // never referenced in this unit
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begin
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if uServerToday = 0 then uServerToday := Int(ServerFMNow);
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Result := uServerToday;
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end;
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*)
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function ServerParseFMDate(const AString: string): TFMDateTime;
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begin
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if ActiveBroker
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then Result := StrToFloat(sCallV('ORWU DT', [AString, 'TSX']))
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else Result := 0;
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end;
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function RelativeDateTime(ADateTime: TDateTime): string;
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var
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Offset: Integer;
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h,n,s,l: Word;
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ATime: string;
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begin
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Offset := Trunc(Int(ADateTime) - Int(ServerToday));
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if Offset < 0 then Result := 'T' + IntToStr(Offset)
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else if Offset = 0 then Result := 'T'
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else Result := 'T+' + IntToStr(Offset);
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DecodeTime(ADateTime, h, n, s, l);
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ATime := Format('@%.2d:%.2d', [h, n]);
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if ATime <> '@00:00' then Result := Result + ATime;
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end;
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{ TfrmORDtTm -------------------------------------------------------------------------------- }
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procedure TORfrmDtTm.FormCreate(Sender: TObject);
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begin
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ResizeAnchoredFormToFont(self);
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//FormStyle := fsStayOnTop;
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lstHour.TopIndex := 6;
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FFromSelf := False;
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calSelectChange(Self);
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end;
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procedure TORfrmDtTm.calSelectChange(Sender: TObject);
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begin
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lblDate.Caption := FormatDateTime('mmmm d, yyyy', calSelect.CalendarDate);
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FNowPressed := False;
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end;
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procedure TORfrmDtTm.imgPrevMonthMouseDown(Sender: TObject;
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Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
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begin
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pnlPrevMonth.BevelOuter := bvLowered;
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end;
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procedure TORfrmDtTm.imgNextMonthMouseDown(Sender: TObject;
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Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
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begin
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pnlNextMonth.BevelOuter := bvLowered;
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end;
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procedure TORfrmDtTm.imgPrevMonthClick(Sender: TObject);
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begin
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calSelect.PrevMonth;
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end;
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procedure TORfrmDtTm.imgNextMonthClick(Sender: TObject);
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begin
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calSelect.NextMonth;
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end;
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procedure TORfrmDtTm.imgPrevMonthMouseUp(Sender: TObject;
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Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
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begin
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pnlPrevMonth.BevelOuter := bvRaised;
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end;
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procedure TORfrmDtTm.imgNextMonthMouseUp(Sender: TObject;
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Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
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begin
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pnlNextMonth.BevelOuter := bvRaised;
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end;
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procedure TORfrmDtTm.cmdTodayClick(Sender: TObject);
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begin
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calSelect.CalendarDate := ServerToday;
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lstHour.ItemIndex := -1;
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lstMinute.ItemIndex := -1;
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txtTime.Text := '';
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end;
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procedure TORfrmDtTm.txtTimeChange(Sender: TObject);
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begin
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if not FFromSelf then
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begin
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lstHour.ItemIndex := -1;
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lstMinute.ItemIndex := -1;
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end;
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FNowPressed := False;
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end;
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procedure TORfrmDtTm.lstHourClick(Sender: TObject);
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begin
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if lstMinute.ItemIndex < 0 then lstMinute.ItemIndex := 0;
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lstMinuteClick(Self);
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end;
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procedure TORfrmDtTm.lstMinuteClick(Sender: TObject);
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var
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AnHour, AMinute: Integer;
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// AmPm: string;
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begin
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if lstHour.ItemIndex < 0 then Exit;
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// if ampm time -
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//case lstHour.ItemIndex of
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// 0: AnHour := 12;
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//1..12: AnHour := lstHour.ItemIndex;
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//else AnHour := lstHour.ItemIndex - 12;
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//end;
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//if lstHour.ItemIndex > 11 then AmPm := 'PM' else AmPm := 'AM';
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// if military time
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AnHour := lstHour.ItemIndex;
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AMinute := lstMinute.ItemIndex * 5;
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FFromSelf := True;
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// if ampm time -
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//txtTime.Text := Format('%d:%.2d ' + AmPm, [AnHour, AMinute]);
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// if military time
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txtTime.Text := Format('%.2d:%.2d ', [AnHour, AMinute]);
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FFromSelf := False;
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end;
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procedure TORfrmDtTm.cmdNowClick(Sender: TObject);
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begin
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calSelect.CalendarDate := ServerToday;
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//txtTime.Text := FormatDateTime('h:nn ampm', ServerNow); // if ampm time
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txtTime.Text := FormatDateTime('hh:nn', ServerNow); // if ampm time
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FNowPressed := True;
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end;
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procedure TORfrmDtTm.cmdMidnightClick(Sender: TObject);
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begin
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//txtTime.Text := '11:59 PM'; // if ampm time
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txtTime.Text := '23:59'; // if military time
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end;
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procedure TORfrmDtTm.cmdOKClick(Sender: TObject);
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var
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x: string;
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begin
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if TimeIsRequired and (Length(txtTime.Text) = 0) then
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begin
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InfoBox('An entry for time is required.', 'Missing Time', MB_OK);
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Exit;
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end;
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if Length(txtTime.Text) > 0 then
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begin
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x := Trim(txtTime.Text);
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if (x='00:00') or (x='0:00') or (x='00:00:00') or (x='0:00:00') then x := '00:00:01';
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StrToTime(x);
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txtTime.Text := x;
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end;
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ModalResult := mrOK;
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end;
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procedure TORfrmDtTm.cmdCancelClick(Sender: TObject);
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begin
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ModalResult := mrCancel;
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end;
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{ TORDateTimeDlg }
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constructor TORDateTimeDlg.Create(AOwner: TComponent);
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begin
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inherited Create(AOwner);
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if not (csDesigning in ComponentState)
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then FDateTime := ServerToday
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else FDateTime := SysUtils.Date;
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end;
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function TORDateTimeDlg.Execute: Boolean;
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const
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HORZ_SPACING = 8;
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var
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frmDtTm: TORfrmDtTm;
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begin
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frmDtTm := TORfrmDtTm.Create(Application);
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try
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with frmDtTm do
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begin
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calSelect.CalendarDate := Int(FDateTime);
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if Frac(FDateTime) > 0
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//then txtTime.Text := FormatDateTime('h:nn ampm', FDateTime); // if ampm time
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then txtTime.Text := FormatDateTime('hh:nn', FDateTime); // if military time
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if RequireTime then TimeIsRequired := True;
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if DateOnly then
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begin
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txtTime.Visible := False;
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lstHour.Visible := False;
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lstMinute.Visible := False;
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cmdNow.Visible := False;
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cmdMidnight.Visible := False;
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bvlFrame.Width := bvlFrame.Width - txtTime.Width - HORZ_SPACING;
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cmdOK.Left := cmdOK.Left - txtTime.Width - HORZ_SPACING;
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cmdCancel.Left := cmdOK.Left;
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ClientWidth := ClientWidth - txtTime.Width - HORZ_SPACING;
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end;
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Result := (ShowModal = IDOK);
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if Result then
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begin
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FDateTime := Int(calSelect.CalendarDate);
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if Length(txtTime.Text) > 0 then FDateTime := FDateTime + StrToTime(txtTime.Text);
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if FNowPressed
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then FRelativeTime := 'NOW'
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else FRelativeTime := RelativeDateTime(FDateTime);
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end;
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end;
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finally
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frmDtTm.Free;
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end;
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end;
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function TORDateTimeDlg.GetFMDateTime: TFMDateTime;
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begin
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Result := DateTimeToFMDateTime(FDateTime);
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end;
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procedure TORDateTimeDlg.SetDateOnly(Value: Boolean);
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begin
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FDateOnly := Value;
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if FDateOnly then
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begin
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FRequireTime := False;
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FDateTime := Int(FDateTime);
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end;
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end;
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procedure TORDateTimeDlg.SetFMDateTime(Value: TFMDateTime);
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begin
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if Value > 0 then FDateTime := FMDateTimeToDateTime(Value);
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end;
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procedure TORDateTimeDlg.SetRequireTime(Value: Boolean);
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begin
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FRequireTime := Value;
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if FRequireTime then FDateOnly := False;
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end;
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{ TORDateEdit ----------------------------------------------------------------------------- }
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procedure TORDateEdit.CreateParams(var Params: TCreateParams);
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{ sets a one line edit box to multiline style so the editing rectangle can be changed }
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begin
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inherited CreateParams(Params);
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Params.Style := Params.Style or ES_MULTILINE or WS_CLIPCHILDREN;
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end;
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{ TORDateBox -------------------------------------------------------------------------------- }
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constructor TORDateBox.Create(AOwner: TComponent);
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begin
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inherited Create(AOwner);
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FButton := TBitBtn.Create(Self);
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FButton.Parent := Self;
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FButton.Width := 18;
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FButton.Height := 17;
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FButton.OnClick := ButtonClick;
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FButton.TabStop := False;
|
|
FButton.Glyph.LoadFromResourceName(hInstance, 'BMP_ELLIPSIS');
|
|
FButton.Visible := True;
|
|
FFormat := FMT_DATETIME;
|
|
end;
|
|
|
|
procedure TORDateBox.WMSize(var Message: TWMSize);
|
|
var
|
|
ofs: integer;
|
|
|
|
begin
|
|
inherited;
|
|
if assigned(FButton) then
|
|
begin
|
|
if BorderStyle = bsNone then
|
|
ofs := 0
|
|
else
|
|
ofs := 4;
|
|
FButton.SetBounds(Width - FButton.Width - ofs, 0, FButton.Width, Height - ofs);
|
|
end;
|
|
SetEditRect;
|
|
end;
|
|
|
|
procedure TORDateBox.SetTemplateField(const Value: boolean);
|
|
var
|
|
Y: integer;
|
|
|
|
begin
|
|
if(FTemplateField <> Value) then
|
|
begin
|
|
FTemplateField := Value;
|
|
Y := TextHeightByFont(Font.Handle, FontHeightText);
|
|
if Value then
|
|
begin
|
|
FButton.Width := Y+2;
|
|
Height := Y;
|
|
BorderStyle := bsNone;
|
|
end
|
|
else
|
|
begin
|
|
FButton.Width := 18;
|
|
Height := y + AdjVertSize;
|
|
BorderStyle := bsSingle;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure TORDateBox.ButtonClick(Sender: TObject);
|
|
var
|
|
DateDialog: TORDateTimeDlg;
|
|
ParsedDate: TFMDateTime;
|
|
begin
|
|
DateDialog := TORDateTimeDlg.Create(Application);
|
|
if Length(Text) > 0 then
|
|
begin
|
|
ParsedDate := ServerParseFMDate(Text);
|
|
if ParsedDate > -1 then FFMDateTime := ParsedDate else FFMDateTime := 0;
|
|
end;
|
|
DateDialog.DateOnly := FDateOnly;
|
|
DateDialog.FMDateTime := FFMDateTime;
|
|
DateDialog.RequireTime := FRequireTime;
|
|
if DateDialog.Execute then
|
|
begin
|
|
FFMDateTime := DateDialog.FMDateTime;
|
|
UpdateText;
|
|
FTimeIsNow := DateDialog.RelativeTime = 'NOW';
|
|
end;
|
|
DateDialog.Free;
|
|
if Visible and Enabled then //Some events may hide the component
|
|
SetFocus;
|
|
end;
|
|
|
|
procedure TORDateBox.Change;
|
|
begin
|
|
inherited Change;
|
|
FTimeIsNow := False;
|
|
end;
|
|
|
|
procedure TORDateBox.KeyDown(var Key: Word; Shift: TShiftState);
|
|
begin
|
|
inherited KeyDown(Key, Shift);
|
|
if (Key = VK_RETURN) then begin
|
|
FButton.Click;
|
|
Key := 0;
|
|
end;
|
|
end;
|
|
|
|
function TORDateBox.GetFMDateTime: TFMDateTime;
|
|
begin
|
|
Result := 0;
|
|
if Length(Text) > 0 then Result := ServerParseFMDate(Text);
|
|
FFMDateTime := Result;
|
|
end;
|
|
|
|
function TORDateBox.GetRelativeTime: string;
|
|
begin
|
|
Result := '';
|
|
if FTimeIsNow then Result := 'NOW'
|
|
else if UpperCase(Text) = 'NOW' then Result := 'NOW'
|
|
else if Length(Text) > 0 then
|
|
begin
|
|
FFMDateTime := ServerParseFMDate(Text);
|
|
if FFMDateTime > 0 then Result := RelativeDateTime(FMDateTimeToDateTime(FFMDateTime));
|
|
end;
|
|
end;
|
|
|
|
procedure TORDateBox.SetDateOnly(Value: Boolean);
|
|
begin
|
|
FDateOnly := Value;
|
|
if FDateOnly then
|
|
begin
|
|
FRequireTime := False;
|
|
FFMDateTime := Int(FFMDateTime);
|
|
if FFormat = FMT_DATETIME then FFormat := FMT_DATEONLY;
|
|
end;
|
|
UpdateText;
|
|
end;
|
|
|
|
procedure TORDateBox.SetFMDateTime(Value: TFMDateTime);
|
|
begin
|
|
FFMDateTime := Value;
|
|
UpdateText;
|
|
end;
|
|
|
|
procedure TORDateBox.SetRequireTime(Value: Boolean);
|
|
begin
|
|
FRequireTime := Value;
|
|
if FRequireTime then
|
|
begin
|
|
if FFormat = FMT_DATEONLY then FFormat := FMT_DATETIME;
|
|
SetDateOnly(False);
|
|
end;
|
|
end;
|
|
|
|
procedure TORDateBox.SetEditRect;
|
|
{ change the edit rectangle to not hide the calendar button - taken from SPIN.PAS sample }
|
|
var
|
|
Loc: TRect;
|
|
begin
|
|
SendMessage(Handle, EM_GETRECT, 0, LongInt(@Loc));
|
|
Loc.Bottom := ClientHeight + 1; // +1 is workaround for windows paint bug
|
|
Loc.Right := FButton.Left - 2;
|
|
Loc.Top := 0;
|
|
Loc.Left := 0;
|
|
SendMessage(Handle, EM_SETRECTNP, 0, LongInt(@Loc));
|
|
end;
|
|
|
|
procedure TORDateBox.UpdateText;
|
|
begin
|
|
if FFMDateTime > 0 then
|
|
begin
|
|
if (FFormat =FMT_DATETIME) and (Frac(FFMDateTime) = 0)
|
|
then Text := FormatFMDateTime(FMT_DATEONLY, FFMDateTime)
|
|
else Text := FormatFMDateTime(FFormat, FFMDateTime);
|
|
end;
|
|
end;
|
|
|
|
procedure TORDateBox.Validate(var ErrMsg: string);
|
|
begin
|
|
ErrMsg := '';
|
|
if Length(Text) > 0 then
|
|
begin
|
|
FFMDateTime := ServerParseFMDate(Text);
|
|
if FFMDateTime <= 0 then Errmsg := 'Invalid Date/Time';
|
|
if FRequireTime and (Frac(FFMDateTime) = 0) then ErrMsg := 'Time Required';
|
|
if FDateOnly and (Frac(FFMDateTime) > 0) then ErrMsg := 'Time not Required';
|
|
end;
|
|
end;
|
|
|
|
function TORDateBox.IsValid: Boolean;
|
|
var
|
|
x: string;
|
|
begin
|
|
Validate(x);
|
|
if Length(x) = 0 then Result := True else Result := False;
|
|
if Length(Text) = 0 then Result := False;
|
|
end;
|
|
|
|
procedure TORDateBox.SetCaption(const Value: string);
|
|
begin
|
|
if not Assigned(FCaption) then begin
|
|
FCaption := TStaticText.Create(self);
|
|
FCaption.AutoSize := False;
|
|
FCaption.Height := 0;
|
|
FCaption.Width := 0;
|
|
FCaption.Visible := True;
|
|
FCaption.Parent := Parent;
|
|
FCaption.BringtoFront;
|
|
end;
|
|
FCaption.Caption := Value;
|
|
end;
|
|
|
|
function TORDateBox.GetCaption(): string;
|
|
begin
|
|
result := FCaption.Caption;
|
|
end;
|
|
|
|
function IsLeapYear(AYear: Integer): Boolean;
|
|
begin
|
|
Result := (AYear mod 4 = 0) and ((AYear mod 100 <> 0) or (AYear mod 400 = 0));
|
|
end;
|
|
|
|
function DaysPerMonth(AYear, AMonth: Integer): Integer;
|
|
const
|
|
DaysInMonth: array[1..12] of Integer = (31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
|
|
|
|
begin
|
|
if(AYear < 1) or (AMonth < 1) then
|
|
Result := 0
|
|
else
|
|
begin
|
|
Result := DaysInMonth[AMonth];
|
|
if (AMonth = 2) and IsLeapYear(AYear) then Inc(Result); { leap-year Feb is special }
|
|
end;
|
|
end;
|
|
|
|
{ TORDateCombo ------------------------------------------------------------------------- }
|
|
|
|
const
|
|
ComboBoxAdjSize = 24;
|
|
EditAdjHorzSize = 8;
|
|
DateComboCtrlGap = 2;
|
|
FirstYear = 1800;
|
|
LastYear = 2200;
|
|
|
|
type
|
|
TORDateComboEdit = class(TMaskEdit)
|
|
private
|
|
FTemplateField: boolean;
|
|
procedure SetTemplateField(const Value: boolean);
|
|
protected
|
|
property TemplateField: boolean read FTemplateField write SetTemplateField;
|
|
end;
|
|
|
|
{ TORDateComboEdit }
|
|
|
|
procedure TORDateComboEdit.SetTemplateField(const Value: boolean);
|
|
begin
|
|
if(FTemplateField <> Value) then
|
|
begin
|
|
FTemplateField := Value;
|
|
if Value then
|
|
BorderStyle := bsNone
|
|
else
|
|
BorderStyle := bsSingle;
|
|
end;
|
|
end;
|
|
|
|
{ TORDateCombo }
|
|
|
|
constructor TORDateCombo.Create(AOwner: TComponent);
|
|
begin
|
|
inherited;
|
|
ControlStyle := ControlStyle - [csSetCaption, csAcceptsControls];
|
|
BevelOuter := bvNone;
|
|
FIncludeMonth := TRUE;
|
|
FIncludeDay := TRUE;
|
|
FIncludeBtn := TRUE;
|
|
OnResize := Resized;
|
|
end;
|
|
|
|
destructor TORDateCombo.Destroy;
|
|
begin
|
|
KillObj(@FMonthCombo);
|
|
KillObj(@FDayCombo);
|
|
KillObj(@FYearEdit);
|
|
KillObj(@FYearUD);
|
|
KillObj(@FCalBtn);
|
|
inherited;
|
|
end;
|
|
|
|
function TORDateCombo.GetYearSize: integer;
|
|
begin
|
|
Result := TextWidthByFont(Font.Handle, '8888') + EditAdjHorzSize;
|
|
end;
|
|
|
|
function TORDateCombo.InitDays(GetSize: boolean): integer;
|
|
var
|
|
dy: integer;
|
|
|
|
begin
|
|
Result := 0;
|
|
if(assigned(FDayCombo)) then
|
|
begin
|
|
dy := DaysPerMonth(FYear, FMonth) + 1;
|
|
while (FDayCombo.Items.Count < dy) do
|
|
begin
|
|
if(FDayCombo.Items.Count = 0) then
|
|
FDayCombo.Items.Add(' ')
|
|
else
|
|
FDayCombo.Items.Add(inttostr(FDayCombo.Items.Count));
|
|
end;
|
|
while (FDayCombo.Items.Count > dy) do
|
|
FDayCombo.Items.Delete(FDayCombo.Items.Count-1);
|
|
if(GetSize) then
|
|
Result := TextWidthByFont(Font.Handle, '88') + ComboBoxAdjSize;
|
|
if(FDay > (dy-1)) then
|
|
SetDay(dy-1);
|
|
end;
|
|
end;
|
|
|
|
function TORDateCombo.InitMonths(GetSize: boolean): integer;
|
|
var
|
|
i, Size: integer;
|
|
|
|
begin
|
|
Result := 0;
|
|
if(assigned(FMonthCombo)) then
|
|
begin
|
|
FMonthCombo.Items.Clear;
|
|
FMonthCombo.Items.Add(' ');
|
|
for i := 1 to 12 do
|
|
begin
|
|
if FLongMonths then
|
|
FMonthCombo.Items.Add(LongMonthNames[i])
|
|
else
|
|
FMonthCombo.Items.Add(ShortMonthNames[i]);
|
|
if(GetSize) then
|
|
begin
|
|
Size := TextWidthByFont(Font.Handle, FMonthCombo.Items[i]);
|
|
if(Result < Size) then
|
|
Result := Size;
|
|
end;
|
|
end;
|
|
if(GetSize) then
|
|
inc(Result, ComboBoxAdjSize);
|
|
end;
|
|
end;
|
|
|
|
procedure TORDateCombo.Rebuild;
|
|
var
|
|
Wide, X, Y: integer;
|
|
|
|
begin
|
|
if(not FRebuilding) then
|
|
begin
|
|
FRebuilding := TRUE;
|
|
try
|
|
ControlStyle := ControlStyle + [csAcceptsControls];
|
|
try
|
|
Y := TextHeightByFont(Font.Handle, FontHeightText);
|
|
if not FTemplateField then
|
|
inc(Y,AdjVertSize);
|
|
X := 0;
|
|
if(FIncludeMonth) then
|
|
begin
|
|
if(not assigned(FMonthCombo)) then
|
|
begin
|
|
FMonthCombo := TORComboBox.Create(Self);
|
|
FMonthCombo.Parent := Self;
|
|
FMonthCombo.Top := 0;
|
|
FMonthCombo.Left := 0;
|
|
FMonthCombo.Style := orcsDropDown;
|
|
FMonthCombo.DropDownCount := 13;
|
|
FMonthCombo.OnChange := MonthChanged;
|
|
end;
|
|
FMonthCombo.Font := Font;
|
|
FMonthCombo.TemplateField := FTemplateField;
|
|
Wide := InitMonths(TRUE);
|
|
FMonthCombo.Width := Wide;
|
|
FMonthCombo.Height := Y;
|
|
FMonthCombo.ItemIndex := FMonth;
|
|
inc(X, Wide + DateComboCtrlGap);
|
|
|
|
if(FIncludeDay) then
|
|
begin
|
|
if(not assigned(FDayCombo)) then
|
|
begin
|
|
FDayCombo := TORComboBox.Create(Self);
|
|
FDayCombo.Parent := Self;
|
|
FDayCombo.Top := 0;
|
|
FDayCombo.Style := orcsDropDown;
|
|
FDayCombo.OnChange := DayChanged;
|
|
FDayCombo.DropDownCount := 11;
|
|
end;
|
|
FDayCombo.Font := Font;
|
|
FDayCombo.TemplateField := FTemplateField;
|
|
Wide := InitDays(TRUE);
|
|
FDayCombo.Width := Wide;
|
|
FDayCombo.Height := Y;
|
|
FDayCombo.Left := X;
|
|
FDayCombo.ItemIndex := FDay;
|
|
inc(X, Wide + DateComboCtrlGap);
|
|
end
|
|
else
|
|
KillObj(@FDayCombo);
|
|
end
|
|
else
|
|
begin
|
|
KillObj(@FDayCombo);
|
|
KillObj(@FMonthCombo);
|
|
end;
|
|
if(not assigned(FYearEdit)) then
|
|
begin
|
|
FYearEdit := TORDateComboEdit.Create(Self);
|
|
FYearEdit.Parent := Self;
|
|
FYearEdit.Top := 0;
|
|
FYearEdit.EditMask := '9999;1; ';
|
|
FYearEdit.OnKeyPress := YearKeyPress;
|
|
FYearEdit.OnChange := YearChanged;
|
|
end;
|
|
FYearEdit.Font := Font;
|
|
TORDateComboEdit(FYearEdit).TemplateField := FTemplateField;
|
|
Wide := GetYearSize;
|
|
FYearEdit.Width := Wide;
|
|
FYearEdit.Height := Y;
|
|
FYearEdit.Left := X;
|
|
inc(X, Wide);
|
|
if(not assigned(FYearUD)) then
|
|
begin
|
|
FYearUD := TUpDown.Create(Self);
|
|
FYearUD.Parent := Self;
|
|
FYearUD.Thousands := FALSE;
|
|
FYearUD.Min := FirstYear-1;
|
|
FYearUD.Max := LastYear;
|
|
FYearUD.OnChangingEx := YearUDChange;
|
|
end;
|
|
FYearEdit.TabOrder := 0;
|
|
FYearUD.Top := 0;
|
|
FYearUD.Left := X;
|
|
FYearUD.Height := Y;
|
|
FYearUD.Position := FYear;
|
|
inc(X, FYearUD.Width + DateComboCtrlGap);
|
|
if(FIncludeBtn) then
|
|
begin
|
|
if(not assigned(FCalBtn)) then
|
|
begin
|
|
FCalBtn := TSpeedButton.Create(Self);
|
|
FCalBtn.Parent := Self;
|
|
FCalBtn.Top := 0;
|
|
FCalBtn.Glyph.LoadFromResourceName(hInstance, 'BMP_ELLIPSIS');
|
|
FCalBtn.OnClick := BtnClicked;
|
|
end;
|
|
Wide := FYearEdit.Height;
|
|
if(Wide > Y) then Wide := Y;
|
|
FCalBtn.Width := Wide;
|
|
FCalBtn.Height := Wide;
|
|
FCalBtn.Left := X;
|
|
inc(X, Wide + DateComboCtrlGap);
|
|
end
|
|
else
|
|
KillObj(@FCalBtn);
|
|
Self.Width := X - DateComboCtrlGap;
|
|
Self.Height := Y;
|
|
CheckDays;
|
|
FCtrlsCreated := TRUE;
|
|
DoChange;
|
|
finally
|
|
ControlStyle := ControlStyle - [csAcceptsControls];
|
|
end;
|
|
finally
|
|
FRebuilding := FALSE;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure TORDateCombo.SetDay(Value: integer);
|
|
begin
|
|
if(not assigned(FDayCombo)) and (not (csLoading in ComponentState)) then
|
|
Value := 0;
|
|
if(Value > DaysPerMonth(FYear, FMonth)) then
|
|
Value := 0;
|
|
if(FDay <> Value) then
|
|
begin
|
|
FDay := Value;
|
|
if(assigned(FDayCombo)) then
|
|
begin
|
|
if(FDayCombo.Items.Count <= FDay) then
|
|
InitDays(FALSE);
|
|
FDayCombo.ItemIndex := FDay;
|
|
end;
|
|
DoChange;
|
|
end;
|
|
end;
|
|
|
|
procedure TORDateCombo.SetIncludeBtn(const Value: boolean);
|
|
begin
|
|
if(FIncludeBtn <> Value) then
|
|
begin
|
|
FIncludeBtn := Value;
|
|
Rebuild;
|
|
end;
|
|
end;
|
|
|
|
procedure TORDateCombo.SetIncludeDay(Value: boolean);
|
|
begin
|
|
if(Value) and (not FIncludeMonth) then
|
|
Value := FALSE;
|
|
if(FIncludeDay <> Value) then
|
|
begin
|
|
FIncludeDay := Value;
|
|
if(not Value) then FDay := 0;
|
|
Rebuild;
|
|
end;
|
|
end;
|
|
|
|
procedure TORDateCombo.SetIncludeMonth(const Value: boolean);
|
|
begin
|
|
if(FIncludeMonth <> Value) then
|
|
begin
|
|
FIncludeMonth := Value;
|
|
if(not Value) then
|
|
begin
|
|
FIncludeDay := FALSE;
|
|
FMonth := 0;
|
|
FDay := 0;
|
|
end;
|
|
Rebuild;
|
|
end;
|
|
end;
|
|
|
|
procedure TORDateCombo.SetMonth(Value: integer);
|
|
begin
|
|
if(not assigned(FMonthCombo)) and (not (csLoading in ComponentState)) then
|
|
Value := 0;
|
|
if(Value <0) or (Value > 12) then
|
|
Value := 0;
|
|
if(FMonth <> Value) then
|
|
begin
|
|
FMonth := Value;
|
|
if(assigned(FMonthCombo)) then
|
|
FMonthCombo.ItemIndex := FMonth;
|
|
CheckDays;
|
|
DoChange;
|
|
end;
|
|
end;
|
|
|
|
procedure TORDateCombo.SetLongMonths(const Value: boolean);
|
|
begin
|
|
if(FLongMonths <> Value) then
|
|
begin
|
|
FLongMonths := Value;
|
|
Rebuild;
|
|
end;
|
|
end;
|
|
|
|
procedure TORDateCombo.SetYear(const Value: integer);
|
|
begin
|
|
if(FYear <> Value) then
|
|
begin
|
|
FYear := Value;
|
|
if(FYear < FirstYear) or (FYear > LastYear) then
|
|
FYear := 0;
|
|
if(not FYearChanging) and (assigned(FYearEdit)) and (assigned(FYearUD)) then
|
|
begin
|
|
FYearChanging := TRUE;
|
|
try
|
|
if(FYear = 0) then
|
|
begin
|
|
FYearEdit.Text := ' ';
|
|
FYearUD.Position := FirstYear-1
|
|
end
|
|
else
|
|
begin
|
|
FYearEdit.Text := IntToStr(FYear);
|
|
FYearUD.Position := FYear;
|
|
end;
|
|
finally
|
|
FYearChanging := FALSE;
|
|
end;
|
|
end;
|
|
if(FMonth = 2) then
|
|
InitDays(FALSE);
|
|
CheckDays;
|
|
DoChange;
|
|
end;
|
|
end;
|
|
|
|
procedure TORDateCombo.DayChanged(Sender: TObject);
|
|
begin
|
|
FDay := FDayCombo.ItemIndex;
|
|
if(FDay < 0) then
|
|
FDay := 0;
|
|
CheckDays;
|
|
DoChange;
|
|
end;
|
|
|
|
procedure TORDateCombo.MonthChanged(Sender: TObject);
|
|
begin
|
|
FMonth := FMonthCombo.ItemIndex;
|
|
if(FMonth < 0) then
|
|
FMonth := 0;
|
|
InitDays(FALSE);
|
|
CheckDays;
|
|
DoChange;
|
|
end;
|
|
|
|
procedure TORDateCombo.YearChanged(Sender: TObject);
|
|
begin
|
|
if FYearChanging then exit;
|
|
FYearChanging := TRUE;
|
|
try
|
|
FYear := StrToIntDef(FYearEdit.Text, 0);
|
|
if(FYear < FirstYear) or (FYear > LastYear) then
|
|
FYear := 0;
|
|
if(FYear = 0) then
|
|
FYearUD.Position := FirstYear-1
|
|
else
|
|
FYearUD.Position := FYear;
|
|
if(FMonth = 2) then
|
|
InitDays(FALSE);
|
|
CheckDays;
|
|
DoChange;
|
|
finally
|
|
FYearChanging := FALSE;
|
|
end;
|
|
end;
|
|
|
|
procedure TORDateCombo.CheckDays;
|
|
var
|
|
MaxDays: integer;
|
|
|
|
begin
|
|
if(FIncludeMonth and assigned(FMonthCombo)) then
|
|
begin
|
|
FMonthCombo.Enabled := (FYear > 0);
|
|
if (FYear = 0) then
|
|
SetMonth(0);
|
|
if(FIncludeMonth and FIncludeDay and assigned(FDayCombo)) then
|
|
begin
|
|
FDayCombo.Enabled := ((FYear > 0) and (FMonth > 0));
|
|
MaxDays := DaysPerMonth(FYear, FMonth);
|
|
if(FDay > MaxDays) then
|
|
SetDay(MaxDays);
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure TORDateCombo.Loaded;
|
|
begin
|
|
inherited;
|
|
if(not FCtrlsCreated) then
|
|
Rebuild;
|
|
end;
|
|
|
|
procedure TORDateCombo.Paint;
|
|
begin
|
|
if(not FCtrlsCreated) then
|
|
Rebuild;
|
|
inherited;
|
|
end;
|
|
|
|
procedure TORDateCombo.BtnClicked(Sender: TObject);
|
|
var
|
|
mm, dd, yy: integer;
|
|
m, d, y: word;
|
|
DateDialog: TORDateTimeDlg;
|
|
|
|
begin
|
|
DateDialog := TORDateTimeDlg.Create(self);
|
|
try
|
|
mm := FMonth;
|
|
dd := FDay;
|
|
yy := FYear;
|
|
DecodeDate(Now, y, m, d);
|
|
if(FYear = 0) then FYear := y;
|
|
if(FYear = y) then
|
|
begin
|
|
if((FMonth = 0) or (FMonth = m)) and (FDay = 0) then
|
|
begin
|
|
FMonth := m;
|
|
FDay := d;
|
|
end;
|
|
end;
|
|
if(FMonth = 0) then
|
|
FMonth := 1;
|
|
if(FDay = 0) then
|
|
FDay := 1;
|
|
DateDialog.FMDateTime := GetFMDate;
|
|
DateDialog.DateOnly := TRUE;
|
|
DateDialog.RequireTime := FALSE;
|
|
if DateDialog.Execute then
|
|
begin
|
|
FYear := 0;
|
|
FMonth := 0;
|
|
FDay := 0;
|
|
SetFMDate(DateDialog.FMDateTime);
|
|
end
|
|
else
|
|
begin
|
|
SetYear(yy);
|
|
SetMonth(mm);
|
|
SetDay(dd);
|
|
end;
|
|
finally
|
|
DateDialog.Free;
|
|
end;
|
|
end;
|
|
|
|
procedure TORDateCombo.YearUDChange(Sender: TObject; var AllowChange: Boolean;
|
|
NewValue: Smallint; Direction: TUpDownDirection);
|
|
var
|
|
y, m, d: word;
|
|
|
|
begin
|
|
if FYearChanging then exit;
|
|
FYearChanging := TRUE;
|
|
try
|
|
if FYearUD.Position = (FirstYear-1) then
|
|
begin
|
|
DecodeDate(Now, y, m, d);
|
|
FYear := y;
|
|
FYearUD.Position := y;
|
|
AllowChange := FALSE;
|
|
end
|
|
else
|
|
FYear := NewValue;
|
|
if(FYear < FirstYear) or (FYear > LastYear) then
|
|
FYear := 0;
|
|
if(FYear = 0) then
|
|
FYearEdit.Text := ' '
|
|
else
|
|
FYearEdit.Text := IntToStr(FYear);
|
|
if(FMonth = 2) then
|
|
InitDays(FALSE);
|
|
CheckDays;
|
|
DoChange;
|
|
finally
|
|
FYearChanging := FALSE;
|
|
end;
|
|
end;
|
|
|
|
procedure TORDateCombo.YearKeyPress(Sender: TObject; var Key: Char);
|
|
begin
|
|
if(Key in ['0'..'9']) and (FYearEdit.Text = ' ') then
|
|
begin
|
|
FYearEdit.Text := Key + ' ';
|
|
Key := #0;
|
|
FYearEdit.SelStart := 1;
|
|
FYearEdit.SelText := '';
|
|
end;
|
|
end;
|
|
|
|
function TORDateCombo.GetFMDate: TFMDateTime;
|
|
begin
|
|
if(FYear < FirstYear) then
|
|
Result := 0
|
|
else
|
|
Result := ((FYear - 1700) * 10000 + FMonth * 100 + FDay);
|
|
end;
|
|
|
|
procedure TORDateCombo.SetFMDate(const Value: TFMDateTime);
|
|
var
|
|
ival, mo, dy: integer;
|
|
|
|
begin
|
|
if(Value = 0) then
|
|
begin
|
|
SetYear(0);
|
|
SetMonth(0);
|
|
end
|
|
else
|
|
begin
|
|
ival := trunc(Value);
|
|
if(length(inttostr(ival)) <> 7) then
|
|
exit;
|
|
dy := (ival mod 100);
|
|
ival := ival div 100;
|
|
mo := ival mod 100;
|
|
ival := ival div 100;
|
|
SetYear(ival + 1700);
|
|
SetMonth(mo);
|
|
InitDays(FALSE);
|
|
SetDay(dy);
|
|
end;
|
|
end;
|
|
|
|
function TORDateCombo.DateText: string;
|
|
begin
|
|
Result := '';
|
|
if(FYear > 0) then
|
|
begin
|
|
if(FMonth > 0) then
|
|
begin
|
|
if FLongMonths then
|
|
Result := LongMonthNames[FMonth]
|
|
else
|
|
Result := ShortMonthNames[FMonth];
|
|
if(FDay > 0) then
|
|
Result := Result + ' ' + IntToStr(FDay);
|
|
Result := Result + ', ';
|
|
end;
|
|
Result := Result + IntToStr(FYear);
|
|
end;
|
|
end;
|
|
|
|
procedure TORDateCombo.DoChange;
|
|
begin
|
|
if assigned(FOnChange) then
|
|
FOnChange(Self);
|
|
end;
|
|
|
|
procedure TORDateCombo.Resized(Sender: TObject);
|
|
begin
|
|
Rebuild;
|
|
end;
|
|
|
|
procedure TORDateCombo.CMFontChanged(var Message: TMessage);
|
|
begin
|
|
inherited;
|
|
Rebuild;
|
|
end;
|
|
|
|
function TORDateCombo.Text: string;
|
|
var
|
|
tmp, fmt, m: string;
|
|
|
|
begin
|
|
Result := '';
|
|
tmp := FloatToStr(FMDate);
|
|
if(tmp <> '') and (tmp <> '0') and (length(Tmp) >= 7) then
|
|
begin
|
|
if FLongMonths then
|
|
m := 'mmmm'
|
|
else
|
|
m := 'mmm';
|
|
if(copy(tmp,4,4) = '0000') then
|
|
fmt := 'yyyy'
|
|
else
|
|
if(copy(tmp,6,2) = '00') then
|
|
fmt := m + ', YYYY'
|
|
else
|
|
fmt := m + ' D, YYYY';
|
|
Result := FormatFMDateTimeStr(fmt, tmp)
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure Register;
|
|
{ used by Delphi to put components on the Palette }
|
|
begin
|
|
RegisterComponents('CPRS', [TORDateTimeDlg, TORDateBox, TORDateCombo]);
|
|
end;
|
|
|
|
procedure TORDateCombo.SetTemplateField(const Value: boolean);
|
|
begin
|
|
if FTemplateField <> Value then
|
|
begin
|
|
FTemplateField := Value;
|
|
Rebuild;
|
|
end;
|
|
end;
|
|
|
|
initialization
|
|
uServerToday := 0;
|
|
|
|
end. |