mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
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1606 lines
41 KiB
ObjectPascal
1606 lines
41 KiB
ObjectPascal
{
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/***************************************************************************
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editbtn.pas
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-----------
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Component Library Extended dialogs Controls
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***************************************************************************/
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*****************************************************************************
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* *
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* This file is part of the Lazarus Component Library (LCL) *
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* *
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* See the file COPYING.modifiedLGPL.txt, included in this distribution, *
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* for details about the copyright. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
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* *
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*****************************************************************************
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}
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unit EditBtn;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, LCLProc, LResources, LCLStrConsts, LCLType, LMessages,
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Graphics, Controls, Forms, FileUtil, Dialogs, StdCtrls, Buttons, Calendar,
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ExtDlgs, CalendarPopup, MaskEdit;
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const
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NullDate: TDateTime = 0;
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type
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{ TCustomEditButton }
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TCustomEditButton = class(TCustomMaskEdit)
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private
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FButton: TSpeedButton;
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FButtonNeedsFocus: Boolean;
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FDirectInput: Boolean;
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FIsReadOnly: boolean;
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FOnButtonClick : TNotifyEvent;
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function GetButtonHint: TTranslateString;
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function GetButtonWidth: Integer;
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function GetDirectInput: Boolean;
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function GetFlat: Boolean;
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procedure SetButtonHint(const AValue: TTranslateString);
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procedure SetButtonNeedsFocus(const AValue: Boolean);
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procedure SetButtonWidth(const AValue: Integer);
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procedure SetDirectInput(const AValue: Boolean);
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procedure SetFlat(const AValue: Boolean);
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procedure SetGlyph(Pic: TBitmap);
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function GetGlyph : TBitmap;
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procedure SetNumGlyphs(ANumber: Integer);
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function GetNumGlyphs:Integer;
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function GetMinHeight: Integer;
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procedure WMSetFocus(var Message: TLMSetFocus); message LM_SETFOCUS;
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procedure WMKillFocus(var Message: TLMKillFocus); message LM_KILLFOCUS;
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function IsCustomGlyph : Boolean;
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protected
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procedure CheckButtonVisible;
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function CalcButtonVisible: boolean; virtual;
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function CalcButtonEnabled: Boolean; virtual;
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function GetReadOnly: Boolean; override;
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function GetDefaultGlyph: TBitmap; virtual;
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function GetDefaultGlyphName: String; virtual;
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procedure SetParent(AParent: TWinControl); override;
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procedure SetReadOnly(AValue: Boolean); override;
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procedure DoPositionButton; virtual;
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procedure DoButtonClick (Sender: TObject); virtual;
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procedure Loaded; override;
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procedure Notification(AComponent: TComponent; Operation: TOperation); override;
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procedure CMVisibleChanged(var Msg: TLMessage); message CM_VISIBLECHANGED;
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procedure CMEnabledChanged(var Msg: TLMessage); message CM_ENABLEDCHANGED;
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procedure CMBiDiModeChanged(var Message: TLMessage); message CM_BIDIMODECHANGED;
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// New properties.
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property ButtonWidth : Integer read GetButtonWidth write SetButtonWidth;
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property DirectInput : Boolean read GetDirectInput write SetDirectInput default True;
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property Glyph : TBitmap read GetGlyph write SetGlyph stored IsCustomGlyph;
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property NumGlyphs : Integer read GetNumGlyphs write SetNumGlyphs;
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property OnButtonClick : TNotifyEvent read FOnButtonClick write FOnButtonClick;
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property Button: TSpeedButton read FButton;
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property ButtonHint: TTranslateString read GetButtonHint write SetButtonHint;
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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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property Flat: Boolean read GetFlat write SetFlat default False;
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property ButtonOnlyWhenFocused: Boolean read FButtonNeedsFocus write SetButtonNeedsFocus default False;
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end;
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{ TEditButton }
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TEditButton = class(TCustomEditButton)
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Public
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property Button;
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published
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property AutoSize;
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property AutoSelect;
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property Align;
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property Anchors;
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property BidiMode;
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property BorderSpacing;
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property BorderStyle;
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property ButtonOnlyWhenFocused;
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property ButtonWidth;
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property ButtonHint;
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property CharCase;
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property Color;
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property DirectInput;
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property DragCursor;
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property DragMode;
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property EchoMode;
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property Enabled;
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property Flat;
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property Font;
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property Glyph;
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property MaxLength;
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property NumGlyphs;
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property OnButtonClick;
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property OnChange;
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property OnClick;
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property OnDblClick;
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property OnDragDrop;
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property OnDragOver;
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property OnEditingDone;
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property OnEndDrag;
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property OnEnter;
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property OnExit;
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property OnKeyDown;
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property OnKeyPress;
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property OnKeyUp;
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property OnMouseDown;
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property OnMouseMove;
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property OnMouseUp;
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property OnStartDrag;
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property OnUTF8KeyPress;
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property ParentBidiMode;
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property ParentColor;
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property ParentFont;
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property ParentShowHint;
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property PasswordChar;
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property PopupMenu;
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property ReadOnly;
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property ShowHint;
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property TabOrder;
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property TabStop;
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property Text;
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property Visible;
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end;
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// Called when an item is filtered. Returns true if the item passes the filter.
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// Done=False means the data should also be filtered by its title string.
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// Done=True means no other filtering is needed.
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TFilterItemEvent = function (Item: TObject; out Done: Boolean): Boolean of object;
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// Can be used only for items that have a checkbox. Returns true if checked.
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TCheckItemEvent = function (Item: TObject): Boolean of object;
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{ TCustomControlFilterEdit }
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// An abstract base class for edit controls which filter data in
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// visual controls like TListView and TTreeView.
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TCustomControlFilterEdit = class(TCustomEditButton)
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private
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fFilter: string;
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fIdleConnected: Boolean;
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fSortData: Boolean; // Data needs to be sorted.
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fUseFormActivate: Boolean;
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fIsFirstSetFormActivate: Boolean;
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fJustActivated: Boolean;
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fParentForm: TForm;
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fAfterFilter: TNotifyEvent;
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procedure SetFilter(const AValue: string);
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procedure SetIdleConnected(const AValue: Boolean);
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procedure OnIdle(Sender: TObject; var Done: Boolean);
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procedure SetUseFormActivate(AValue: Boolean);
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procedure FormActivate(Sender: TObject); // Connects to owning form.
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procedure FormDeactivate(Sender: TObject);
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protected
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fNeedUpdate: Boolean;
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fIsFirstUpdate: Boolean;
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fSelectedPart: TObject; // Select this node on next update
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fOnFilterItem: TFilterItemEvent;
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fOnCheckItem: TCheckItemEvent;
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procedure KeyDown(var Key: Word; Shift: TShiftState); override;
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procedure Change; override;
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procedure DoEnter; override;
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procedure DoExit; override;
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procedure DoButtonClick (Sender: TObject); override;
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procedure SortAndFilter; virtual; abstract;
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procedure ApplyFilter(Immediately: Boolean = False);
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procedure ApplyFilterCore; virtual; abstract;
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procedure MoveNext; virtual; abstract;
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procedure MovePrev; virtual; abstract;
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function ReturnPressed: Boolean; virtual; abstract;
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function GetDefaultGlyphName: String; override;
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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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procedure InvalidateFilter;
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procedure StoreSelection; virtual; abstract;
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procedure RestoreSelection; virtual; abstract;
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public
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property Filter: string read fFilter write SetFilter;
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property IdleConnected: Boolean read fIdleConnected write SetIdleConnected;
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property SortData: Boolean read fSortData write fSortData;
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property SelectedPart: TObject read fSelectedPart write fSelectedPart;
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published
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property AfterFilter: TNotifyEvent read fAfterFilter write fAfterFilter;
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property OnFilterItem: TFilterItemEvent read fOnFilterItem write fOnFilterItem;
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property OnCheckItem: TCheckItemEvent read fOnCheckItem write fOnCheckItem;
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property UseFormActivate: Boolean read fUseFormActivate write SetUseFormActivate default False;
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// TEditButton properties.
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property ButtonWidth;
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property DirectInput;
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property ButtonOnlyWhenFocused;
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property NumGlyphs;
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property Flat;
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// Other properties
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property Align;
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property Anchors;
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property BidiMode;
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property BorderSpacing;
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property BorderStyle;
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property AutoSize;
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property AutoSelect;
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property Color;
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property DragCursor;
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property DragMode;
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property Enabled;
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property Font;
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property MaxLength;
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property ParentBidiMode;
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property ParentColor;
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property ParentFont;
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property ParentShowHint;
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property PopupMenu;
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property ReadOnly;
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property ShowHint;
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property TabOrder;
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property TabStop;
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property Visible;
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property OnChange;
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property OnClick;
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property OnDblClick;
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property OnDragDrop;
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property OnDragOver;
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property OnEditingDone;
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property OnEndDrag;
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property OnEnter;
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property OnExit;
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property OnKeyDown;
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property OnKeyPress;
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property OnKeyUp;
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property OnMouseDown;
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property OnMouseMove;
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property OnMouseUp;
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property OnStartDrag;
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property OnUTF8KeyPress;
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end;
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{ TFileNameEdit }
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TAcceptFileNameEvent = procedure (Sender : TObject; Var Value : String) of Object;
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TDialogKind = (dkOpen,dkSave,dkPictureOpen,dkPictureSave);
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TFileNameEdit = class(TCustomEditButton)
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private
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FDialogOptions: TOpenOptions;
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FFileName : String;
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FDialogFiles : TStrings;
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FDialogKind: TDialogKind;
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FDialogTitle: String;
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FFilter: String;
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FFilterIndex: Integer;
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FDefaultExt: String;
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FHideDirectories: Boolean;
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FInitialDir: String;
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FOnAcceptFileName: TAcceptFileNameEvent;
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FOnFolderChange: TNotifyEvent;
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FFileNameChangeLock: Integer;
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procedure SetFileName(const AValue: String);
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protected
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function GetDefaultGlyph: TBitmap; override;
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function GetDefaultGlyphName: String; override;
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function CreateDialog(AKind: TDialogKind): TCommonDialog; virtual;
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procedure SaveDialogResult(AKind: TDialogKind; D: TCommonDialog); virtual;
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procedure DoButtonClick (Sender: TObject); override;
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procedure RunDialog; virtual;
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procedure TextChanged; override;
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procedure DoFolderChange(Sender:TObject); virtual;
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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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property DialogFiles: TStrings read FDialogFiles;
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published
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// TFileName properties.
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property FileName: String read FFileName write SetFileName;
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property InitialDir: String read FInitialDir write FInitialDir;
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property OnAcceptFileName: TAcceptFileNameEvent read FOnAcceptFileName write FOnAcceptFileName;
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property OnFolderChange: TNotifyEvent read FOnFolderChange write FOnFolderChange;
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property DialogKind: TDialogKind read FDialogKind write FDialogKind default dkOpen;
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property DialogTitle: String read FDialogTitle write FDialogTitle;
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property DialogOptions: TOpenOptions read FDialogOptions write FDialogOptions default DefaultOpenDialogOptions;
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property Filter: String read FFilter write FFilter;
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property FilterIndex: Integer read FFilterIndex write FFIlterIndex;
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property DefaultExt: String read FDefaultExt write FDefaultExt;
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property HideDirectories: Boolean read FHideDirectories write FHideDirectories;
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// TEditButton properties.
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property ButtonWidth;
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property DirectInput;
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property ButtonOnlyWhenFocused;
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// property Glyph;
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property NumGlyphs;
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property Flat;
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// Other properties
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property Align;
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property Alignment;
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property Anchors;
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property AutoSelect;
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property BidiMode;
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property BorderSpacing;
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property BorderStyle;
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property AutoSize;
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property Color;
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property DragCursor;
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property DragMode;
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property Enabled;
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property Font;
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property MaxLength;
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property ParentBidiMode;
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property ParentColor;
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property ParentFont;
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property ParentShowHint;
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property PopupMenu;
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property ReadOnly;
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property ShowHint;
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property TabOrder;
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property TabStop;
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property Visible;
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property OnChange;
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property OnClick;
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property OnDblClick;
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property OnDragDrop;
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property OnDragOver;
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property OnEditingDone;
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property OnEndDrag;
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property OnEnter;
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property OnExit;
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property OnKeyDown;
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property OnKeyPress;
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property OnKeyUp;
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property OnMouseDown;
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property OnMouseMove;
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property OnMouseUp;
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property OnStartDrag;
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property OnUTF8KeyPress;
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end;
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{ TDirectoryEdit }
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TDirectoryEdit = class(TCustomEditButton)
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private
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FDialogTitle: String;
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FRootDir: String;
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FOnAcceptDir: TAcceptFileNameEvent;
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FShowHidden: Boolean;
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function GetDirectory: String;
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procedure SetDirectory(const AValue: String);
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protected
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function GetDefaultGlyph: TBitmap; override;
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function GetDefaultGlyphName: String; override;
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function CreateDialog: TCommonDialog; virtual;
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function GetDialogResult(D : TCommonDialog) : String; virtual;
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procedure DoButtonClick (Sender: TObject); override;
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procedure RunDialog; virtual;
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public
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published
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// TDirectory properties.
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property Directory: String read GetDirectory write SetDirectory;
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property RootDir: String read FRootDir write FRootDir;
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property OnAcceptDirectory: TAcceptFileNameEvent read FOnAcceptDir write FonAcceptDir;
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property DialogTitle: String read FDialogTitle write FDialogTitle;
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property ShowHidden: Boolean read FShowHidden write FShowHidden;
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// TEditButton properties.
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property ButtonWidth;
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property DirectInput;
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property ButtonOnlyWhenFocused;
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// property Glyph;
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property NumGlyphs;
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property Flat;
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// Other properties
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property Align;
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property Anchors;
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property AutoSize;
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property AutoSelect;
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property BidiMode;
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property BorderSpacing;
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property BorderStyle;
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property Color;
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property DragCursor;
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property DragMode;
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property Enabled;
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property Font;
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property MaxLength;
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property ParentBidiMode;
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property ParentColor;
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property ParentFont;
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property ParentShowHint;
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property PopupMenu;
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property ReadOnly;
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property ShowHint;
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property TabOrder;
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property TabStop;
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property Visible;
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property OnChange;
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property OnClick;
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property OnDblClick;
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property OnDragDrop;
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property OnDragOver;
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property OnEditingDone;
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property OnEndDrag;
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property OnEnter;
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property OnExit;
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property OnKeyDown;
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property OnKeyPress;
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property OnKeyUp;
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property OnMouseDown;
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property OnMouseMove;
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property OnMouseUp;
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property OnStartDrag;
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property OnUTF8KeyPress;
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end;
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{ TDateEdit }
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TAcceptDateEvent = procedure (Sender : TObject; var ADate : TDateTime;
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var AcceptDate: Boolean) of object;
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TCustomDateEvent = procedure (Sender : TObject; var ADate : string) of object;
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TDateOrder = (doNone,doMDY,doDMY,doYMd);
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{ TDateEdit }
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TDateEdit = class(TCustomEditButton)
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private
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FDateOrder: TDateOrder;
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FDefaultToday: Boolean;
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FDialogTitle: TCaption;
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FDisplaySettings: TDisplaySettings;
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FDroppedDown: Boolean;
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FOnAcceptDate: TAcceptDateEvent;
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FOnCustomDate: TCustomDateEvent;
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FOKCaption: TCaption;
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FCancelCaption: TCaption;
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FDateFormat: string;
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function GetDate: TDateTime;
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function IsStoreTitle: boolean;
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procedure SetDate(Value: TDateTime);
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procedure CalendarPopupReturnDate(Sender: TObject; const ADate: TDateTime);
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procedure CalendarPopupShowHide(Sender: TObject);
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procedure SetDateOrder(const AValue: TDateOrder);
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protected
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function GetDefaultGlyph: TBitmap; override;
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function GetDefaultGlyphName: String; override;
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procedure DoButtonClick(Sender: TObject); override;
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procedure DblClick; override;
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procedure SetDateMask; virtual;
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public
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constructor Create(AOwner: TComponent); override;
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procedure DateFormatChanged; virtual;
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function GetDateFormat: string;
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property Date: TDateTime read GetDate write SetDate;
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property Button;
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property DroppedDown: Boolean read FDroppedDown;
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published
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property DialogTitle: TCaption read FDialogTitle write FDialogTitle stored IsStoreTitle;
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property CalendarDisplaySettings: TDisplaySettings read FDisplaySettings write FDisplaySettings;
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property OnAcceptDate: TAcceptDateEvent read FOnAcceptDAte write FOnAcceptDate;
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property OnCustomDate: TCustomDateEvent read FOnCustomDate write FOnCustomDate;
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property OKCaption: TCaption read FOKCaption write FOKCaption;
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property CancelCaption: TCaption read FCancelCaption write FCancelCaption;
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property ReadOnly;
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property DefaultToday: Boolean read FDefaultToday write FDefaultToday default False;
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Property DateOrder : TDateOrder Read FDateOrder Write SetDateOrder;
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property ButtonOnlyWhenFocused;
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property ButtonWidth;
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property Action;
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property Align;
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property Anchors;
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property AutoSize;
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property AutoSelect;
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property BidiMode;
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property BorderSpacing;
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property BorderStyle;
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property CharCase;
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property Color;
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property Constraints;
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property DirectInput;
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property Glyph;
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property NumGlyphs;
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property DragMode;
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property EchoMode;
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property Enabled;
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property Font;
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property MaxLength;
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property OnChange;
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property OnChangeBounds;
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property OnClick;
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property OnEditingDone;
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property OnEnter;
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property OnExit;
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property OnKeyDown;
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property OnKeyPress;
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property OnKeyUp;
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property OnMouseDown;
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property OnMouseMove;
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property OnMouseUp;
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property OnResize;
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property OnUTF8KeyPress;
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property ParentBidiMode;
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property ParentFont;
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property ParentShowHint;
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property PopupMenu;
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property ShowHint;
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property TabStop;
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property TabOrder;
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property Visible;
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end;
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{ TCalcEdit }
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TAcceptValueEvent = procedure(Sender: TObject; var AValue: Double; var Action: Boolean) of object;
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TCalcEdit = class(TCustomEditButton)
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private
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FDialogTitle: String;
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FLayout: TCalculatorLayout;
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FOnAcceptValue: TAcceptValueEvent;
|
|
function GetAsFloat: Double;
|
|
function GetAsInteger: Integer;
|
|
procedure SetAsFloat(const AValue: Double);
|
|
procedure SetAsInteger(const AValue: Integer);
|
|
function TitleStored: boolean;
|
|
protected
|
|
FCalcDialog : TForm;
|
|
function GetDefaultGlyph: TBitmap; override;
|
|
function GetDefaultGlyphName: String; override;
|
|
procedure DoButtonClick (Sender: TObject); override;
|
|
procedure RunDialog; virtual;
|
|
public
|
|
constructor Create(AOwner: TComponent); override;
|
|
published
|
|
// CalcEdit properties
|
|
property CalculatorLayout : TCalculatorLayout read FLayout write Flayout;
|
|
property AsFloat : Double read GetAsFloat write SetAsFloat;
|
|
property AsInteger : Integer read GetAsInteger write SetAsInteger;
|
|
property OnAcceptValue : TAcceptValueEvent read FOnAcceptValue write FOnAcceptValue;
|
|
property DialogTitle : String read FDialogTitle write FDialogTitle stored TitleStored;
|
|
// TEditButton properties.
|
|
property ButtonWidth;
|
|
property DirectInput;
|
|
property ButtonOnlyWhenFocused;
|
|
// property Glyph;
|
|
property NumGlyphs;
|
|
property Flat;
|
|
// Other properties
|
|
property Align;
|
|
property Anchors;
|
|
property BidiMode;
|
|
property BorderSpacing;
|
|
property BorderStyle;
|
|
property AutoSize;
|
|
property AutoSelect;
|
|
property Color;
|
|
property DragCursor;
|
|
property DragMode;
|
|
property Enabled;
|
|
property Font;
|
|
property MaxLength;
|
|
property ParentBidiMode;
|
|
property ParentColor;
|
|
property ParentFont;
|
|
property ParentShowHint;
|
|
property PopupMenu;
|
|
property ReadOnly;
|
|
property ShowHint;
|
|
property TabOrder;
|
|
property TabStop;
|
|
property Visible;
|
|
property OnChange;
|
|
property OnClick;
|
|
property OnDblClick;
|
|
property OnDragDrop;
|
|
property OnDragOver;
|
|
property OnEditingDone;
|
|
property OnEndDrag;
|
|
property OnEnter;
|
|
property OnExit;
|
|
property OnKeyDown;
|
|
property OnKeyPress;
|
|
property OnKeyUp;
|
|
property OnMouseDown;
|
|
property OnMouseMove;
|
|
property OnMouseUp;
|
|
property OnStartDrag;
|
|
property OnUTF8KeyPress;
|
|
end;
|
|
|
|
|
|
var
|
|
FileOpenGlyph: TBitmap;
|
|
DateGlyph: TBitmap;
|
|
CalcGlyph: TBitmap;
|
|
|
|
const
|
|
ResBtnListFilter = 'btnfiltercancel';
|
|
ResBtnFileOpen = 'btnselfile';
|
|
ResBtnSelDir = 'btnseldir';
|
|
ResBtnCalendar = 'btncalendar';
|
|
ResBtnCalculator = 'btncalculator';
|
|
|
|
procedure Register;
|
|
|
|
implementation
|
|
|
|
|
|
{ TCustomEditButton }
|
|
|
|
constructor TCustomEditButton.Create(AOwner: TComponent);
|
|
var
|
|
B: TBitmap;
|
|
begin
|
|
inherited Create(AOwner);
|
|
FDirectInput := True;
|
|
FButton := TSpeedButton.Create(Self);
|
|
FButton.Width := Self.Height;
|
|
FButton.Height := Self.Height;
|
|
FButton.FreeNotification(Self);
|
|
CheckButtonVisible;
|
|
FButton.OnClick := @DoButtonClick;
|
|
FButton.Cursor := crArrow;
|
|
FButton.ControlStyle := FButton.ControlStyle + [csNoDesignSelectable];
|
|
B := GetDefaultGlyph;
|
|
if B = nil
|
|
then FButton.LoadGlyphFromLazarusResource(GetDefaultGlyphName)
|
|
else FButton.Glyph := B;
|
|
ControlStyle := ControlStyle - [csSetCaption];
|
|
end;
|
|
|
|
destructor TCustomEditButton.Destroy;
|
|
begin
|
|
FreeAndNil(FButton);
|
|
inherited Destroy;
|
|
end;
|
|
|
|
procedure TCustomEditButton.SetGlyph(Pic: TBitmap);
|
|
Begin
|
|
FButton.Glyph:=Pic;
|
|
end;
|
|
|
|
function TCustomEditButton.GetButtonWidth: Integer;
|
|
begin
|
|
Result:=FButton.Width;
|
|
end;
|
|
|
|
function TCustomEditButton.GetDefaultGlyph: TBitmap;
|
|
begin
|
|
Result := nil;
|
|
end;
|
|
|
|
function TCustomEditButton.GetDefaultGlyphName: String;
|
|
begin
|
|
Result := '';
|
|
end;
|
|
|
|
function TCustomEditButton.GetButtonHint: TTranslateString;
|
|
begin
|
|
Result:=FButton.Hint;
|
|
end;
|
|
|
|
function TCustomEditButton.GetDirectInput: Boolean;
|
|
begin
|
|
Result := FDirectInput;
|
|
end;
|
|
|
|
function TCustomEditButton.GetFlat: Boolean;
|
|
begin
|
|
if Assigned(FButton) then
|
|
Result := FButton.Flat
|
|
else
|
|
Result := False;
|
|
end;
|
|
|
|
function TCustomEditButton.CalcButtonVisible: boolean;
|
|
begin
|
|
Result := (csdesigning in ComponentState) or
|
|
(Visible and (Focused or not FButtonNeedsFocus));
|
|
end;
|
|
|
|
procedure TCustomEditButton.CheckButtonVisible;
|
|
begin
|
|
If Assigned(FButton) then
|
|
FButton.Visible:=CalcButtonVisible;
|
|
end;
|
|
|
|
procedure TCustomEditButton.SetButtonHint(const AValue: TTranslateString);
|
|
begin
|
|
FButton.Hint:=AValue;
|
|
end;
|
|
|
|
procedure TCustomEditButton.SetButtonNeedsFocus(const AValue: Boolean);
|
|
begin
|
|
if FButtonNeedsFocus<>AValue then
|
|
begin
|
|
FButtonNeedsFocus:=AValue;
|
|
CheckButtonVisible;
|
|
end;
|
|
end;
|
|
|
|
procedure TCustomEditButton.SetButtonWidth(const AValue: Integer);
|
|
begin
|
|
FButton.Width:=AValue;
|
|
end;
|
|
|
|
procedure TCustomEditButton.SetDirectInput(const AValue: Boolean);
|
|
begin
|
|
FDirectInput := AValue;
|
|
inherited SetReadOnly((not FDirectInput) or (FIsReadOnly))
|
|
end;
|
|
|
|
procedure TCustomEditButton.SetFlat(const AValue: Boolean);
|
|
begin
|
|
if Assigned(FButton) then
|
|
FButton.Flat:=AValue;
|
|
end;
|
|
|
|
function TCustomEditButton.GetGlyph : TBitmap;
|
|
begin
|
|
Result:=FButton.Glyph;
|
|
end;
|
|
|
|
procedure TCustomEditButton.SetNumGlyphs(ANumber: Integer);
|
|
begin
|
|
FButton.NumGlyphs:=ANumber;
|
|
end;
|
|
|
|
function TCustomEditButton.GetNumGlyphs:Integer;
|
|
begin
|
|
Result:=FButton.NumGlyphs;
|
|
end;
|
|
|
|
procedure TCustomEditButton.Notification(AComponent: TComponent; Operation: TOperation);
|
|
begin
|
|
inherited Notification(AComponent, Operation);
|
|
if (AComponent = FButton) and (Operation = opRemove) then
|
|
FButton := nil;
|
|
end;
|
|
|
|
procedure TCustomEditButton.CMVisibleChanged(var Msg: TLMessage);
|
|
begin
|
|
inherited CMVisibleChanged(Msg);
|
|
CheckButtonVisible;
|
|
end;
|
|
|
|
procedure TCustomEditButton.CMEnabledChanged(var Msg: TLMessage);
|
|
begin
|
|
inherited CMEnabledChanged(Msg);
|
|
if (FButton<>nil) then
|
|
FButton.Enabled:=CalcButtonEnabled;
|
|
end;
|
|
|
|
procedure TCustomEditButton.CMBiDiModeChanged(var Message: TLMessage);
|
|
begin
|
|
inherited;
|
|
DoPositionButton;
|
|
end;
|
|
|
|
function TCustomEditButton.GetMinHeight: Integer;
|
|
begin
|
|
Result:=23;
|
|
end;
|
|
|
|
procedure TCustomEditButton.DoButtonClick (Sender: TObject);
|
|
begin
|
|
if not ReadOnly then
|
|
if Assigned(FOnButtonClick) then
|
|
FOnButtonClick(Self);
|
|
end;
|
|
|
|
procedure TCustomEditButton.Loaded;
|
|
begin
|
|
inherited Loaded;
|
|
DoPositionButton;
|
|
CheckButtonVisible;
|
|
end;
|
|
|
|
procedure TCustomEditButton.WMKillFocus(var Message: TLMKillFocus);
|
|
begin
|
|
CheckButtonVisible;
|
|
inherited;
|
|
end;
|
|
|
|
function TCustomEditButton.IsCustomGlyph : Boolean;
|
|
|
|
function _LoadRes: TBitmap;
|
|
var
|
|
ResName: String;
|
|
C : TCustomBitmap;
|
|
begin
|
|
ResName := GetDefaultGlyphName;
|
|
if ResName = '' then
|
|
Exit(nil);
|
|
Result := TBitmap.Create;
|
|
try
|
|
try
|
|
C := CreateBitmapFromLazarusResource(ResName);
|
|
Result.Assign(C); // the "Equals" did not work with ClassType different
|
|
// maybe it should compare the "RawImage" because it is independent of ClassType
|
|
finally
|
|
C.Free;
|
|
end;
|
|
except
|
|
Result.Free;
|
|
raise;
|
|
end;
|
|
end;
|
|
|
|
var
|
|
B, GlypRes, GlypActual: TBitmap;
|
|
begin
|
|
GlypActual := nil;
|
|
GlypRes := nil;
|
|
try
|
|
B := GetDefaultGlyph;
|
|
if B = nil then // if Default Glyph is nil, use the resource
|
|
begin
|
|
GlypRes := _LoadRes;
|
|
B := GlypRes;
|
|
end;
|
|
if B = nil then
|
|
Result := Glyph <> nil
|
|
else if Glyph = nil then
|
|
Result := True
|
|
else
|
|
begin
|
|
GlypActual := TBitmap.Create; // the "Equals" did not work with ClassType different.
|
|
GlypActual.Assign(Glyph);
|
|
Result := not GlypActual.Equals(B);
|
|
end;
|
|
finally
|
|
GlypRes.Free;
|
|
GlypActual.Free;
|
|
end;
|
|
end;
|
|
|
|
function TCustomEditButton.GetReadOnly: Boolean;
|
|
begin
|
|
Result := FIsReadOnly;
|
|
end;
|
|
|
|
procedure TCustomEditButton.SetParent(AParent: TWinControl);
|
|
begin
|
|
inherited SetParent(AParent);
|
|
if FButton <> nil then
|
|
begin
|
|
DoPositionButton;
|
|
CheckButtonVisible;
|
|
end;
|
|
end;
|
|
|
|
function TCustomEditButton.CalcButtonEnabled: Boolean;
|
|
begin
|
|
Result := not FIsReadOnly and Enabled;
|
|
end;
|
|
|
|
procedure TCustomEditButton.SetReadOnly(AValue: Boolean);
|
|
begin
|
|
FIsReadOnly := AValue;
|
|
if Assigned(FButton) then
|
|
FButton.Enabled := CalcButtonEnabled;
|
|
inherited SetReadOnly(FIsReadOnly or (not DirectInput));
|
|
end;
|
|
|
|
procedure TCustomEditButton.DoPositionButton;
|
|
begin
|
|
if FButton = nil then exit;
|
|
FButton.Parent := Parent;
|
|
if BiDiMode = bdLeftToRight then
|
|
FButton.AnchorToCompanion(akLeft,0,Self)
|
|
else
|
|
FButton.AnchorToCompanion(akRight,0,Self);
|
|
end;
|
|
|
|
procedure TCustomEditButton.WMSetFocus(var Message: TLMSetFocus);
|
|
begin
|
|
CheckButtonVisible;
|
|
inherited;
|
|
end;
|
|
|
|
|
|
{ TCustomControlFilterEdit }
|
|
|
|
constructor TCustomControlFilterEdit.Create(AOwner: TComponent);
|
|
begin
|
|
inherited Create(AOwner);
|
|
CharCase:=ecLowerCase;
|
|
Button.Enabled:=False;
|
|
fIsFirstUpdate:=True;
|
|
fIsFirstSetFormActivate:=True;
|
|
end;
|
|
|
|
destructor TCustomControlFilterEdit.Destroy;
|
|
begin
|
|
inherited Destroy;
|
|
end;
|
|
|
|
procedure TCustomControlFilterEdit.OnIdle(Sender: TObject; var Done: Boolean);
|
|
begin
|
|
if fNeedUpdate then
|
|
ApplyFilter(true);
|
|
IdleConnected:=false;
|
|
if Assigned(fAfterFilter) then
|
|
fAfterFilter(Self);
|
|
end;
|
|
|
|
procedure TCustomControlFilterEdit.SetUseFormActivate(AValue: Boolean);
|
|
var
|
|
c: TWinControl;
|
|
begin
|
|
if fUseFormActivate=AValue then Exit;
|
|
fUseFormActivate:=AValue;
|
|
c:=Parent;
|
|
// Find the parent form
|
|
while Assigned(c) and not (c is TForm) do
|
|
c:=c.Parent;
|
|
// Found: set or remove Activate and Deactivate handlers
|
|
if c is TForm then begin
|
|
fParentForm:=TForm(c);
|
|
if AValue then begin // Set handlers
|
|
if fIsFirstSetFormActivate then begin
|
|
if Assigned(fParentForm.OnActivate) or Assigned(fParentForm.OnDeactivate) then
|
|
raise Exception.Create('TCustomControlFilterEdit.SetUseFormActivate:'+
|
|
' OnActivate handler already set in parent form');
|
|
fIsFirstSetFormActivate:=False;
|
|
end;
|
|
fParentForm.OnActivate:=@FormActivate;
|
|
fParentForm.OnDeactivate:=@FormDeactivate;
|
|
end
|
|
else begin // Remove handlers
|
|
fParentForm.OnActivate:=nil;
|
|
fParentForm.OnDeactivate:=nil;
|
|
end;
|
|
end
|
|
else
|
|
raise Exception.Create('TCustomControlFilterEdit.SetUseFormActivate: This control'+
|
|
' has no TForm in the parent chain. You should disable UseFormActivate.');
|
|
end;
|
|
|
|
procedure TCustomControlFilterEdit.FormActivate(Sender: TObject);
|
|
begin
|
|
fJustActivated:=fParentForm.ActiveControl=Self;
|
|
if fParentForm.ActiveControl=Self then
|
|
Filter:=Text;
|
|
end;
|
|
|
|
procedure TCustomControlFilterEdit.FormDeactivate(Sender: TObject);
|
|
begin
|
|
fJustActivated:=False;
|
|
end;
|
|
|
|
procedure TCustomControlFilterEdit.SetFilter(const AValue: string);
|
|
var
|
|
NewValue: String;
|
|
begin
|
|
if AValue=lisCEFilter then
|
|
NewValue:=''
|
|
else
|
|
NewValue:=AValue;
|
|
Button.Enabled:=NewValue<>'';
|
|
if (NewValue='') and not (Focused or fJustActivated) then begin
|
|
Text:=lisCEFilter;
|
|
Font.Color:=clBtnShadow;
|
|
end
|
|
else begin
|
|
Text:=NewValue;
|
|
Font.Color:=clDefault;
|
|
end;
|
|
if fFilter=NewValue then exit;
|
|
fFilter:=NewValue;
|
|
ApplyFilter;
|
|
end;
|
|
|
|
procedure TCustomControlFilterEdit.SetIdleConnected(const AValue: Boolean);
|
|
begin
|
|
if fIdleConnected=AValue then exit;
|
|
fIdleConnected:=AValue;
|
|
if fIdleConnected then
|
|
Application.AddOnIdleHandler(@OnIdle)
|
|
else
|
|
Application.RemoveOnIdleHandler(@OnIdle);
|
|
end;
|
|
|
|
procedure TCustomControlFilterEdit.KeyDown(var Key: Word; Shift: TShiftState);
|
|
var
|
|
Handled: Boolean;
|
|
begin
|
|
Handled:=False;
|
|
if Shift = [] then
|
|
case Key of
|
|
VK_UP: begin MovePrev; Handled:=True; end;
|
|
VK_DOWN: begin MoveNext; Handled:=True; end;
|
|
VK_RETURN: Handled:=ReturnPressed;
|
|
end;
|
|
if Handled then
|
|
Key:=VK_UNKNOWN
|
|
else
|
|
inherited KeyDown(Key, Shift);
|
|
end;
|
|
|
|
procedure TCustomControlFilterEdit.Change;
|
|
begin
|
|
Filter:=Text;
|
|
inherited;
|
|
end;
|
|
|
|
procedure TCustomControlFilterEdit.DoEnter;
|
|
begin
|
|
// inherited;
|
|
fJustActivated:=False;
|
|
if Text=lisCEFilter then
|
|
Text:='';
|
|
end;
|
|
|
|
procedure TCustomControlFilterEdit.DoExit;
|
|
begin
|
|
fJustActivated:=False;
|
|
Filter:=Text;
|
|
// inherited;
|
|
end;
|
|
|
|
procedure TCustomControlFilterEdit.DoButtonClick(Sender: TObject);
|
|
begin
|
|
fJustActivated:=False;
|
|
Filter:='';
|
|
end;
|
|
|
|
procedure TCustomControlFilterEdit.ApplyFilter(Immediately: Boolean);
|
|
begin
|
|
if Immediately then begin
|
|
fNeedUpdate := False;
|
|
SortAndFilter;
|
|
if (fSelectedPart=Nil) and not fIsFirstUpdate then
|
|
StoreSelection; // At first round the selection is from caller
|
|
fIsFirstUpdate:=False;
|
|
|
|
ApplyFilterCore; // The actual filtering implemented by inherited class.
|
|
|
|
fSelectedPart:=Nil;
|
|
RestoreSelection;
|
|
end
|
|
else begin
|
|
if [csDestroying,csDesigning]*ComponentState=[] then
|
|
InvalidateFilter;
|
|
end;
|
|
end;
|
|
|
|
procedure TCustomControlFilterEdit.InvalidateFilter;
|
|
begin
|
|
fNeedUpdate:=true;
|
|
IdleConnected:=true;
|
|
end;
|
|
|
|
function TCustomControlFilterEdit.GetDefaultGlyphName: String;
|
|
begin
|
|
Result := ResBtnListFilter;
|
|
end;
|
|
|
|
{ TFileNameEdit }
|
|
|
|
constructor TFileNameEdit.Create(AOwner: TComponent);
|
|
begin
|
|
inherited Create(AOwner);
|
|
FDialogFiles := TStringList.Create;
|
|
FDialogKind := dkOpen;
|
|
FDialogOptions := DefaultOpenDialogOptions;
|
|
end;
|
|
|
|
destructor TFileNameEdit.Destroy;
|
|
begin
|
|
FreeAndNil(FDialogFiles);
|
|
inherited Destroy;
|
|
end;
|
|
|
|
procedure TFileNameEdit.SetFileName(const AValue: String);
|
|
begin
|
|
if FFileNameChangeLock > 0 then
|
|
Exit;
|
|
FFileName := AValue;
|
|
Inc(FFileNameChangeLock);
|
|
try
|
|
if FHideDirectories then
|
|
inherited RealSetText(ExtractFileName(AValue))
|
|
else
|
|
inherited RealSetText(AValue)
|
|
finally
|
|
Dec(FFileNameChangeLock);
|
|
end;
|
|
end;
|
|
|
|
function TFileNameEdit.CreateDialog(AKind: TDialogKind): TCommonDialog;
|
|
var
|
|
O: TOpenDialog;
|
|
S: TSaveDialog;
|
|
Dir: String;
|
|
begin
|
|
case AKind of
|
|
dkOpen, dkPictureOpen:
|
|
begin
|
|
O := TOpenDialog.Create(Self);
|
|
Result := O;
|
|
end;
|
|
dkSave, dkPictureSave:
|
|
begin
|
|
S:=TSaveDialog.Create(Self);
|
|
S.DefaultExt := FDefaultExt;
|
|
Result := S;
|
|
end;
|
|
end;
|
|
if Result is TOpenDialog then
|
|
begin
|
|
O:=TOpenDialog(Result);
|
|
Dir:=ExtractFilePath(Filename);
|
|
if (Dir<>'') and DirPathExists(Dir) then
|
|
// setting a FileName with path disables InitialDir
|
|
O.FileName := FileName
|
|
else begin
|
|
// do not use path, so that InitialDir works
|
|
O.FileName := ExtractFileName(Filename);
|
|
end;
|
|
O.Options := DialogOptions;
|
|
O.Filter := Filter;
|
|
O.FilterIndex := FilterIndex;
|
|
O.InitialDir := CleanAndExpandDirectory(InitialDir);
|
|
end;
|
|
// Set some common things.
|
|
Result.Title := DialogTitle;
|
|
end;
|
|
|
|
procedure TFileNameEdit.SaveDialogResult(AKind: TDialogKind; D: TCommonDialog);
|
|
var
|
|
FN: String;
|
|
begin
|
|
case AKind of
|
|
dkOpen, dkPictureOpen :
|
|
begin
|
|
FilterIndex := TOpenDialog(D).FilterIndex;
|
|
FN := TOpenDialog(D).FileName;
|
|
if (FN <> '') then
|
|
begin
|
|
if Assigned(OnAcceptFileName) then
|
|
OnAcceptFileName(Self, FN);
|
|
end;
|
|
if (FN <> '') then
|
|
begin
|
|
// set FDialogFiles first since assigning of FileName trigger events
|
|
FDialogFiles.Text := TOpenDialog(D).Files.Text;
|
|
FileName := FN;
|
|
end;
|
|
end;
|
|
dkSave, dkPictureSave :
|
|
begin
|
|
FileName := TSaveDialog(D).FileName;
|
|
FilterIndex := TSaveDialog(D).FilterIndex;
|
|
FDialogFiles.Clear;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure TFileNameEdit.DoButtonClick(Sender: TObject);
|
|
begin
|
|
inherited DoButtonClick(Sender);
|
|
RunDialog;
|
|
end;
|
|
|
|
function TFileNameEdit.GetDefaultGlyph: TBitmap;
|
|
begin
|
|
Result := FileOpenGlyph;
|
|
end;
|
|
|
|
function TFileNameEdit.GetDefaultGlyphName: String;
|
|
begin
|
|
Result := ResBtnFileOpen;
|
|
end;
|
|
|
|
procedure TFileNameEdit.RunDialog;
|
|
var
|
|
D: TCommonDialog;
|
|
begin
|
|
D := CreateDialog(DialogKind);
|
|
try
|
|
if D.Execute then
|
|
SaveDialogResult(DialogKind, D);
|
|
finally
|
|
D.Free;
|
|
end
|
|
end;
|
|
|
|
procedure TFileNameEdit.TextChanged;
|
|
begin
|
|
if FFileNameChangeLock <= 0 then
|
|
begin
|
|
Inc(FFileNameChangeLock);
|
|
try
|
|
if FHideDirectories and (ExtractFilePath(Text) = '') then
|
|
FFileName := ExtractFilePath(FFileName) + Text
|
|
else
|
|
FFileName := Text;
|
|
finally
|
|
Dec(FFileNameChangeLock);
|
|
end;
|
|
end;
|
|
inherited TextChanged; //do this _after_ we have updated FFileName
|
|
end;
|
|
|
|
procedure TFileNameEdit.DoFolderChange(Sender: TObject);
|
|
begin
|
|
if Assigned(FOnFolderChange) then
|
|
FOnFolderChange(Self);
|
|
end;
|
|
|
|
{ TDirectoryEdit }
|
|
|
|
procedure TDirectoryEdit.SetDirectory(const AValue: String);
|
|
begin
|
|
if (Text<>AValue) then
|
|
Text:=AValue;
|
|
end;
|
|
|
|
function TDirectoryEdit.CreateDialog: TCommonDialog;
|
|
begin
|
|
Result:=TSelectDirectoryDialog.Create(Self);
|
|
if DirPathExists(Directory) then
|
|
begin
|
|
TSelectDirectoryDialog(Result).InitialDir:=Directory;
|
|
TSelectDirectoryDialog(Result).FileName:='';
|
|
end
|
|
else
|
|
begin
|
|
TSelectDirectoryDialog(Result).InitialDir:=RootDir;
|
|
TSelectDirectoryDialog(Result).FileName:=Directory;
|
|
end;
|
|
// Set some common things.
|
|
Result.Title := DialogTitle;
|
|
end;
|
|
|
|
function TDirectoryEdit.GetDialogResult(D: TCommonDialog) : String;
|
|
begin
|
|
Result:=TSelectDirectoryDialog(D).FileName;
|
|
end;
|
|
|
|
|
|
procedure TDirectoryEdit.DoButtonClick(Sender: TObject);
|
|
begin
|
|
inherited DoButtonClick(Sender);
|
|
RunDialog;
|
|
end;
|
|
|
|
function TDirectoryEdit.GetDefaultGlyph: TBitmap;
|
|
begin
|
|
Result := FileOpenGlyph;
|
|
end;
|
|
|
|
function TDirectoryEdit.GetDefaultGlyphName: String;
|
|
begin
|
|
Result := ResBtnSelDir;
|
|
end;
|
|
|
|
procedure TDirectoryEdit.RunDialog;
|
|
var
|
|
D: String;
|
|
Dlg: TCommonDialog;
|
|
B: Boolean;
|
|
begin
|
|
Dlg:=CreateDialog;
|
|
try
|
|
B:=Dlg.Execute;
|
|
if B then
|
|
D:=GetDialogResult(Dlg);
|
|
finally
|
|
Dlg.Free;
|
|
end;
|
|
if B then
|
|
begin
|
|
if Assigned(FOnAcceptDir) then
|
|
begin
|
|
FOnAcceptdir(Self,D);
|
|
if (D<>'') then
|
|
Directory:=D;
|
|
end
|
|
else
|
|
Directory:=D;
|
|
end;
|
|
end;
|
|
|
|
function TDirectoryEdit.GetDirectory: String;
|
|
begin
|
|
Result:=Text;
|
|
end;
|
|
|
|
{ TDateEdit }
|
|
|
|
function StrToDateDef(cDate: String; dDefault: TDateTime): TDateTime;
|
|
begin
|
|
try
|
|
Result := StrToDate(cDate)
|
|
except
|
|
Result := dDefault;
|
|
end;
|
|
end;
|
|
|
|
constructor TDateEdit.Create(AOwner: TComponent);
|
|
begin
|
|
inherited Create(AOwner);
|
|
FDefaultToday := False;
|
|
FDisplaySettings := [dsShowHeadings, dsShowDayNames];
|
|
DialogTitle := rsPickDate;
|
|
OKCaption := 'OK';
|
|
CancelCaption := 'Cancel';
|
|
DateFormatChanged;
|
|
end;
|
|
|
|
procedure TDateEdit.DateFormatChanged;
|
|
begin
|
|
FDateFormat := DefaultFormatSettings.ShortDateFormat;
|
|
end;
|
|
|
|
function TDateEdit.GetDateFormat: string;
|
|
begin
|
|
Result := FDateFormat;
|
|
end;
|
|
|
|
function TDateEdit.GetDefaultGlyph: TBitmap;
|
|
begin
|
|
Result := DateGlyph;
|
|
end;
|
|
|
|
function TDateEdit.GetDefaultGlyphName: String;
|
|
begin
|
|
Result := ResBtnCalendar;
|
|
end;
|
|
|
|
procedure TDateEdit.DoButtonClick(Sender: TObject);//or onClick
|
|
var
|
|
PopupOrigin: TPoint;
|
|
ADate: TDateTime;
|
|
begin
|
|
inherited DoButtonClick(Sender);
|
|
|
|
PopupOrigin := ControlToScreen(Point(0, Height));
|
|
ADate := GetDate;
|
|
if ADate = NullDate then
|
|
ADate := SysUtils.Date;
|
|
ShowCalendarPopup(PopupOrigin, ADate, CalendarDisplaySettings,
|
|
@CalendarPopupReturnDate, @CalendarPopupShowHide)
|
|
end;
|
|
|
|
procedure TDateEdit.DblClick;
|
|
begin
|
|
inherited DblClick;
|
|
if not ReadOnly then
|
|
DoButtonClick(nil);
|
|
end;
|
|
|
|
procedure TDateEdit.SetDateMask;
|
|
|
|
Var
|
|
S : String;
|
|
D : TDateTime;
|
|
begin
|
|
Case DateOrder of
|
|
doNone :
|
|
begin
|
|
S:=''; // no mask
|
|
FDateFormat:='';
|
|
end;
|
|
doDMY,
|
|
doMDY :
|
|
begin
|
|
S:='99/99/9999;1;_';
|
|
if DateOrder=doMDY then
|
|
FDateFormat:='mm/dd/yyyy'
|
|
else
|
|
FDateFormat:='dd/mm/yyyy';
|
|
end;
|
|
doYMD :
|
|
begin
|
|
S:='9999/99/99;1;_';
|
|
FDateFormat:='yyyy/mm/dd';
|
|
end;
|
|
end;
|
|
D:=GetDate;
|
|
EditMask:=S;
|
|
SetDate(D);
|
|
end;
|
|
|
|
Function ParseDate(S : String; Order : TDateOrder; Def: TDateTime) : TDateTime;
|
|
|
|
Var
|
|
P,N1,N2,N3 : Integer;
|
|
B : Boolean;
|
|
|
|
begin
|
|
Result:=Def;
|
|
P:=Pos(DefaultFormatSettings.DateSeparator,S);
|
|
If (P=0) then
|
|
Exit;
|
|
N1:=StrToIntDef(Copy(S,1,P-1),-1);
|
|
If (N1=-1) then Exit;
|
|
Delete(S,1,P);
|
|
P:=Pos(DefaultFormatSettings.DateSeparator,S);
|
|
If (P=0) then
|
|
Exit;
|
|
N2:=StrToIntDef(Copy(S,1,P-1),-1);
|
|
If (N1=0) then Exit;
|
|
Delete(S,1,P);
|
|
N3:=StrToIntDef(S,-1);
|
|
If (N3=-1) then
|
|
exit;
|
|
Case Order of
|
|
doYMD : B:=TryEncodeDate(N1,N2,N3,Result);
|
|
doMDY : B:=TryEncodeDate(N3,N1,N2,Result);
|
|
doDMY : B:=TryEncodeDate(N3,N2,N1,Result);
|
|
end;
|
|
If not B then // Not sure if TryEncodeDate touches Result.
|
|
Result:=Def;
|
|
end;
|
|
|
|
function TDateEdit.GetDate: TDateTime;
|
|
var
|
|
ADate: string;
|
|
begin
|
|
if FDefaultToday then
|
|
Result := SysUtils.Date
|
|
else
|
|
Result := NullDate;
|
|
ADate := Trim(Text);
|
|
if ADate <> '' then
|
|
begin
|
|
if Assigned(FOnCustomDate) then
|
|
FOnCustomDate(Self, ADate);
|
|
if (DateOrder = doNone) then
|
|
Result := StrToDateDef(ADate, Result)
|
|
else
|
|
Result := ParseDate(ADate,DateOrder,Result)
|
|
end;
|
|
end;
|
|
|
|
function TDateEdit.IsStoreTitle: boolean;
|
|
begin
|
|
Result := DialogTitle <> rsPickDate;
|
|
end;
|
|
|
|
procedure TDateEdit.SetDate(Value: TDateTime);
|
|
begin
|
|
if {not IsValidDate(Value) or }(Value = NullDate) then
|
|
begin
|
|
if DefaultToday then
|
|
Value := SysUtils.Date
|
|
else
|
|
Value := NullDate;
|
|
end;
|
|
if Value = NullDate then
|
|
Text := ''
|
|
else
|
|
begin
|
|
if (FDateFormat = '') then
|
|
Text := DateToStr(Value)
|
|
else
|
|
Text := FormatDateTime(FDateFormat, Value)
|
|
end;
|
|
end;
|
|
|
|
procedure TDateEdit.CalendarPopupReturnDate(Sender: TObject;
|
|
const ADate: TDateTime);
|
|
var
|
|
B: Boolean;
|
|
D: TDateTime;
|
|
begin
|
|
try
|
|
B := True;
|
|
D := ADate;
|
|
if Assigned(FOnAcceptDate) then
|
|
FOnAcceptDate(Self, D, B);
|
|
if B then
|
|
Self.Date := D;
|
|
except
|
|
on E:Exception do
|
|
MessageDlg(E.Message, mtError, [mbOK], 0);
|
|
end;
|
|
end;
|
|
|
|
procedure TDateEdit.CalendarPopupShowHide(Sender: TObject);
|
|
begin
|
|
FDroppedDown := (Sender as TForm).Visible;
|
|
end;
|
|
|
|
procedure TDateEdit.SetDateOrder(const AValue: TDateOrder);
|
|
begin
|
|
if FDateOrder=AValue then exit;
|
|
FDateOrder:=AValue;
|
|
SetDateMask;
|
|
end;
|
|
|
|
{ TCalcEdit }
|
|
|
|
function TCalcEdit.GetAsFloat: Double;
|
|
begin
|
|
Result := StrToFloatDef(Trim(Text), 0.0);
|
|
end;
|
|
|
|
function TCalcEdit.GetAsInteger: Integer;
|
|
begin
|
|
Result:=StrToIntDef(Text,0);
|
|
end;
|
|
|
|
function TCalcEdit.GetDefaultGlyph: TBitmap;
|
|
begin
|
|
Result := CalcGlyph;
|
|
end;
|
|
|
|
function TCalcEdit.GetDefaultGlyphName: String;
|
|
begin
|
|
Result := ResBtnCalculator;
|
|
end;
|
|
|
|
procedure TCalcEdit.SetAsFloat(const AValue: Double);
|
|
begin
|
|
Text:=FloatToStr(AValue);
|
|
end;
|
|
|
|
procedure TCalcEdit.SetAsInteger(const AValue: Integer);
|
|
begin
|
|
Text:=IntToStr(AValue);
|
|
end;
|
|
|
|
function TCalcEdit.TitleStored: boolean;
|
|
begin
|
|
Result:=FDialogTitle<>rsCalculator;
|
|
end;
|
|
|
|
procedure TCalcEdit.DoButtonClick(Sender: TObject);
|
|
begin
|
|
inherited DoButtonClick(Sender);
|
|
RunDialog;
|
|
end;
|
|
|
|
procedure TCalcEdit.RunDialog;
|
|
var
|
|
D : Double;
|
|
B : Boolean;
|
|
begin
|
|
D:=AsFloat;
|
|
with CreateCalculatorForm(Self,FLayout,0) do
|
|
try
|
|
Caption:=DialogTitle;
|
|
Value:=D;
|
|
if (ShowModal=mrOK) then
|
|
begin
|
|
D:=Value;
|
|
B:=True;
|
|
If Assigned(FOnAcceptValue) then
|
|
FOnAcceptValue(Self,D,B);
|
|
if B then
|
|
AsFloat:=D;
|
|
end;
|
|
finally
|
|
Free;
|
|
end;
|
|
end;
|
|
|
|
constructor TCalcEdit.Create(AOwner: TComponent);
|
|
begin
|
|
inherited Create(AOwner);
|
|
FdialogTitle:=rsCalculator;
|
|
end;
|
|
|
|
|
|
|
|
procedure Register;
|
|
begin
|
|
RegisterComponents('Misc', [TEditButton,TFileNameEdit,TDirectoryEdit,
|
|
TDateEdit,TCalcEdit]);
|
|
end;
|
|
|
|
initialization
|
|
{$i lcl_edbtnimg.lrs}
|
|
|
|
end.
|