Class tcustomeditwidgetdatalink

Description
Hierarchy
Fields
Methods
Properties

Unit

msedbedit

Declaration

type tcustomeditwidgetdatalink = class(tfielddatalink, idbeditinfo, iobjectlink)

Description

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Hierarchy

Overview

Fields

Protected fintf: idbeditfieldlink;
Protected foptions: optionseditdbty;
Protected fobjectlinker: tobjectlinker;

Methods

Protected function datasourcereadonly(): boolean override;
Protected function getobjectlinker: tobjectlinker;
Protected function getdatasource1: tdatasource;
Protected procedure dataevent(event: tdataevent; info: ptrint); override;
Protected procedure activechanged; override;
Protected procedure editingchanged; override;
Protected procedure focuscontrol(afield: tfieldref); override;
Protected procedure updatedata; override;
Protected procedure disabledstatechange; override;
Protected procedure fieldchanged; override;
Protected procedure bindingchanged;
Protected procedure objectevent(const sender: tobject; const event: objecteventty); virtual;
Protected procedure link(const source,dest: iobjectlink; valuepo: pointer = nil; ainterfacetype: pointer = nil; once: boolean = false);
Protected procedure unlink(const source,dest: iobjectlink; valuepo: pointer = nil);
Protected procedure objevent(const sender: iobjectlink; const event: objecteventty);
Protected function getinstance: tobject;
Protected function getdataset(const aindex: integer): tdataset;
Protected procedure getfieldtypes(out apropertynames: stringarty; out afieldtypes: fieldtypesarty); virtual;
Protected procedure updateoptionsedit(var avalue: optionseditty); override;
Protected procedure valuechanged(const sender: iifidatalink); override;
Public constructor create(const intf: idbeditfieldlink);
Public destructor destroy; override;
Public procedure fixupproperties(filer: tfiler);
Public procedure recordchanged(afield: tfield); override;
Public procedure datasetscrolled(distance: integer) override;
Public procedure nullcheckneeded(var avalue: boolean);
Public procedure setwidgetdatasource(const avalue: tdatasource);
Public procedure griddatasourcechanged;
Public function edit: Boolean;
Public procedure modified;
Public procedure doshortcut(var info: keyeventinfoty; const sender: twidget);
Public function cuttext(const atext: msestring; out maxlength: integer): boolean;

Properties

Public property options: optionseditdbty read foptions write setoptions default defaulteditwidgetdatalinkoptions;
Public property asnullmsestring: msestring read getasnullmsestring write setasnullmsestring;
Public property navigator: tdbnavigator read fnavigator write setnavigator;
Public property onbeginedit: notifyeventty read fonbeginedit write fonbeginedit;
Public property onendedit: notifyeventty read fonendedit write fonendedit;
Public property ondataentered: notifyeventty read fondataentered write fondataentered;
Public property owner: twidget read getownerwidget;

Description

Fields

Protected fintf: idbeditfieldlink;

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Protected foptions: optionseditdbty;

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Protected fobjectlinker: tobjectlinker;

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Methods

Protected function datasourcereadonly(): boolean override;

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Protected function getobjectlinker: tobjectlinker;

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Protected function getdatasource1: tdatasource;

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Protected procedure dataevent(event: tdataevent; info: ptrint); override;

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Protected procedure activechanged; override;

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Protected procedure editingchanged; override;

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Protected procedure focuscontrol(afield: tfieldref); override;

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Protected procedure updatedata; override;

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Protected procedure disabledstatechange; override;

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Protected procedure fieldchanged; override;

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Protected procedure bindingchanged;

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Protected procedure objectevent(const sender: tobject; const event: objecteventty); virtual;

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Protected procedure link(const source,dest: iobjectlink; valuepo: pointer = nil; ainterfacetype: pointer = nil; once: boolean = false);

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Protected procedure unlink(const source,dest: iobjectlink; valuepo: pointer = nil);

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Protected procedure objevent(const sender: iobjectlink; const event: objecteventty);

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Protected function getinstance: tobject;

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Protected function getdataset(const aindex: integer): tdataset;

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Protected procedure getfieldtypes(out apropertynames: stringarty; out afieldtypes: fieldtypesarty); virtual;

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Protected procedure updateoptionsedit(var avalue: optionseditty); override;

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Protected procedure valuechanged(const sender: iifidatalink); override;

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Public constructor create(const intf: idbeditfieldlink);

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Public destructor destroy; override;

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Public procedure fixupproperties(filer: tfiler);

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Public procedure recordchanged(afield: tfield); override;

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Public procedure datasetscrolled(distance: integer) override;

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Public procedure nullcheckneeded(var avalue: boolean);

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Public procedure setwidgetdatasource(const avalue: tdatasource);

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Public procedure griddatasourcechanged;

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Public function edit: Boolean;

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Public procedure modified;

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Public procedure doshortcut(var info: keyeventinfoty; const sender: twidget);

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Public function cuttext(const atext: msestring; out maxlength: integer): boolean;

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Properties

Public property options: optionseditdbty read foptions write setoptions default defaulteditwidgetdatalinkoptions;

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Public property asnullmsestring: msestring read getasnullmsestring write setasnullmsestring;

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Public property navigator: tdbnavigator read fnavigator write setnavigator;

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Public property onbeginedit: notifyeventty read fonbeginedit write fonbeginedit;

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Public property onendedit: notifyeventty read fonendedit write fonendedit;

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Public property ondataentered: notifyeventty read fondataentered write fondataentered;

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Public property owner: twidget read getownerwidget;

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