Class tdscontroller

Unit

msedb

Declaration

type tdscontroller = class(tactivatorcontroller, idsfieldcontroller)

Description

Hierarchy

• TObject
• tpersistent
• tvirtualpersistent
• tnullinterfacedpersistent
• tlinkedpersistent
• tactivatorcontroller
• tdscontroller

Overview

Fields

foptions: datasetoptionsty;

Methods

	procedure setoptions(const avalue: datasetoptionsty); virtual;
	procedure setowneractive(const avalue: boolean); override;
	procedure fielddestroyed(const sender: ifieldcomponent);
	procedure dorefresh(const sender: tobject);
	function savepointbegin: integer; virtual;
	procedure savepointrollback(const aindex: integer = -1); virtual;
	procedure savepointrelease; virtual;
	function execoperation(const akind: opkindty; const aafterop: afterdbopeventty): boolean;
	procedure defineproperties(filer: tfiler) override;
	constructor create(const aowner: tdataset; const aintf: idscontroller; const arecnooffset: integer = -1; const acancelresync: boolean = true);
	destructor destroy; override;
	function isutf8: boolean;
	function getfieldar(const afieldkinds: tfieldkinds = allfieldkinds): fieldarty;
	function filtereditkind: filtereditkindty;
	procedure beginupdate;
	procedure endupdate;
	function locate(const afields: array of tfield; const akeys: array of const; const aisnull: array of boolean; const akeyoptions: array of locatekeyoptionsty; const aoptions: locaterecordoptionsty = []): locateresultty;
	procedure appendrecord(const values: array of const);
	procedure appendrecord1(const values: array of const; const aisnull: array of boolean);
	procedure appendrecord(const values: array of const; const afields: array of tfield);
	procedure appendrecord1(const values: array of const; const aisnull: array of boolean; const afields: array of tfield);
	procedure appendrecord(const values: variantarty);
	procedure appenddata(const adata: variantararty; const afields: array of tfield);
	procedure getfieldclass(const fieldtype: tfieldtype; out result: tfieldclass);
	procedure beginfilteredit(const akind: filtereditkindty);
	procedure clearfilter();
	procedure endfilteredit;
	procedure begindisplaydata;
	procedure enddisplaydata;
	function getcanmodify: boolean;
	function updatesortfield(const alink: tfielddatalink; const adescend: boolean): boolean;
	procedure modified;
	procedure dataevent(const event: tdataevent; info: ptrint);
	function findrecno(const arecno: integer; const options: recnosearchoptionsty = []): integer;
	function findrecnozerobased(const arecno: integer; const options: recnosearchoptionsty = []): integer;
	function moveby(const distance: integer): integer;
	function islastrecord: boolean;
	procedure internalinsert;
	procedure internaldelete;
	procedure internalopen;
	procedure internalclose;
	procedure closequery(var amodalresult: modalresultty); overload;
	function closequery: boolean; overload;
	function post(const aafterpost: afterdbopeventty = nil): boolean;
	function delete(const aafterdelete: afterdbopeventty = nil): boolean;
	function posting: boolean;
	function posting1: boolean;
	procedure postcancel;
	procedure cancel;
	function canceling: boolean;
	function refreshing(): boolean;
	function deleting(): boolean;
	function emptyinsert: boolean;
	procedure refresh(const restorerecno: boolean = false; const delayus: integer = -1);
	procedure checkrefresh;
	procedure copyrecord(const aappend: boolean = false);
	function copying(): boolean;
	function assql(const avalue: boolean): msestring; overload;
	function assql(const avalue: msestring): msestring; overload;
	function assql(const avalue: integer): msestring; overload;
	function assql(const avalue: int64): msestring; overload;
	function assql(const avalue: currency): msestring; overload;
	function assqlcurrency(const avalue: realty): msestring; overload;
	function assql(const avalue: realty): msestring; overload;
	function assql(const avalue: tdatetime): msestring; overload;
	function assqldate(const avalue: tdatetime): msestring;
	function assqltime(const avalue: tdatetime): msestring;

Properties

	property recno: integer read getrecno write setrecno;
	property recnozerobased: integer read getrecnozerobased write setrecnozerobased;
	property recnooffset: integer read frecnooffset;
	property noedit: boolean read getnoedit write setnoedit;
	property noinsert: boolean read getnoinsert write setnoinsert;
	property noappend: boolean read getnoappend write setnoappend;
	property noupdate: boolean read getnoupdate write setnoupdate;
	property nodelete: boolean read getnodelete write setnodelete;
	property asmsestring[constafieldname:string]: msestring read getasmsestring write setasmsestring;
	property fields: tpersistentfields read ffields write setfields;
	property options: datasetoptionsty read foptions write setoptions default defaultdscontrolleroptions;
	property onstatechanged: datasetstatechangedeventty read fonstatechanged write fonstatechanged;
	property onupdatemasteredit: masterdataseteventty read fonupdatemasteredit write fonupdatemasteredit;
	property onupdatemasterinsert: masterdataseteventty read fonupdatemasterinsert write fonupdatemasterinsert;
	property onbeforepost: tdatasetnotifyevent read fonbeforepost write fonbeforepost;
	property onafterpost: afterdbopeventty read fonafterpost write fonafterpost;
	property onbeforedelete: tdatasetnotifyevent read fonbeforedelete write fonbeforedelete;
	property onafterdelete: afterdbopeventty read fonafterdelete write fonafterdelete;
	property onbeforecopyrecord: tdatasetnotifyevent read fonbeforecopyrecord write fonbeforecopyrecord;
	property onaftercopyrecord: tdatasetnotifyevent read fonaftercopyrecord write fonaftercopyrecord;

Description

Fields

	foptions: datasetoptionsty;

Methods

	procedure setoptions(const avalue: datasetoptionsty); virtual;

	procedure setowneractive(const avalue: boolean); override;

	procedure fielddestroyed(const sender: ifieldcomponent);

	procedure dorefresh(const sender: tobject);

	function savepointbegin: integer; virtual;

	procedure savepointrollback(const aindex: integer = -1); virtual;

	procedure savepointrelease; virtual;

	function execoperation(const akind: opkindty; const aafterop: afterdbopeventty): boolean;

	procedure defineproperties(filer: tfiler) override;

	constructor create(const aowner: tdataset; const aintf: idscontroller; const arecnooffset: integer = -1; const acancelresync: boolean = true);

	destructor destroy; override;

	function isutf8: boolean;

	function getfieldar(const afieldkinds: tfieldkinds = allfieldkinds): fieldarty;

	function filtereditkind: filtereditkindty;

	procedure beginupdate;

	procedure endupdate;

	function locate(const afields: array of tfield; const akeys: array of const; const aisnull: array of boolean; const akeyoptions: array of locatekeyoptionsty; const aoptions: locaterecordoptionsty = []): locateresultty;

	procedure appendrecord(const values: array of const);

	procedure appendrecord1(const values: array of const; const aisnull: array of boolean);

	procedure appendrecord(const values: array of const; const afields: array of tfield);

	procedure appendrecord1(const values: array of const; const aisnull: array of boolean; const afields: array of tfield);

	procedure appendrecord(const values: variantarty);

	procedure appenddata(const adata: variantararty; const afields: array of tfield);

	procedure getfieldclass(const fieldtype: tfieldtype; out result: tfieldclass);

	procedure beginfilteredit(const akind: filtereditkindty);

	procedure clearfilter();

	procedure endfilteredit;

	procedure begindisplaydata;

	procedure enddisplaydata;

	function getcanmodify: boolean;

	function updatesortfield(const alink: tfielddatalink; const adescend: boolean): boolean;

	procedure modified;

	procedure dataevent(const event: tdataevent; info: ptrint);

	function findrecno(const arecno: integer; const options: recnosearchoptionsty = []): integer;

	function findrecnozerobased(const arecno: integer; const options: recnosearchoptionsty = []): integer;

	function moveby(const distance: integer): integer;

	function islastrecord: boolean;

	procedure internalinsert;

	procedure internaldelete;

	procedure internalopen;

	procedure internalclose;

	procedure closequery(var amodalresult: modalresultty); overload;

	function closequery: boolean; overload;

	function post(const aafterpost: afterdbopeventty = nil): boolean;

	function delete(const aafterdelete: afterdbopeventty = nil): boolean;

	function posting: boolean;

	function posting1: boolean;

	procedure postcancel;

	procedure cancel;

	function canceling: boolean;

	function refreshing(): boolean;

	function deleting(): boolean;

	function emptyinsert: boolean;

	procedure refresh(const restorerecno: boolean = false; const delayus: integer = -1);

	procedure checkrefresh;

	procedure copyrecord(const aappend: boolean = false);

	function copying(): boolean;

	function assql(const avalue: boolean): msestring; overload;

	function assql(const avalue: msestring): msestring; overload;

	function assql(const avalue: integer): msestring; overload;

	function assql(const avalue: int64): msestring; overload;

	function assql(const avalue: currency): msestring; overload;

	function assqlcurrency(const avalue: realty): msestring; overload;

	function assql(const avalue: realty): msestring; overload;

	function assql(const avalue: tdatetime): msestring; overload;

	function assqldate(const avalue: tdatetime): msestring;

	function assqltime(const avalue: tdatetime): msestring;

Properties

	property recno: integer read getrecno write setrecno;

	property recnozerobased: integer read getrecnozerobased write setrecnozerobased;

	property recnooffset: integer read frecnooffset;

	property noedit: boolean read getnoedit write setnoedit;

	property noinsert: boolean read getnoinsert write setnoinsert;

	property noappend: boolean read getnoappend write setnoappend;

	property noupdate: boolean read getnoupdate write setnoupdate;

	property nodelete: boolean read getnodelete write setnodelete;

	property asmsestring[constafieldname:string]: msestring read getasmsestring write setasmsestring;

	property fields: tpersistentfields read ffields write setfields;

	property options: datasetoptionsty read foptions write setoptions default defaultdscontrolleroptions;

	property onstatechanged: datasetstatechangedeventty read fonstatechanged write fonstatechanged;

	property onupdatemasteredit: masterdataseteventty read fonupdatemasteredit write fonupdatemasteredit;

	property onupdatemasterinsert: masterdataseteventty read fonupdatemasterinsert write fonupdatemasterinsert;

	property onbeforepost: tdatasetnotifyevent read fonbeforepost write fonbeforepost;

	property onafterpost: afterdbopeventty read fonafterpost write fonafterpost;

	property onbeforedelete: tdatasetnotifyevent read fonbeforedelete write fonbeforedelete;

	property onafterdelete: afterdbopeventty read fonafterdelete write fonafterdelete;

	property onbeforecopyrecord: tdatasetnotifyevent read fonbeforecopyrecord write fonbeforecopyrecord;

	property onaftercopyrecord: tdatasetnotifyevent read fonaftercopyrecord write fonaftercopyrecord;

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