Class ttreeitemedit

Unit

mselistbrowser

Declaration

type ttreeitemedit = class(tcustomitemedit, idragcontroller)

Description

This item has no description. Showing description inherited from tmsecomponent.

Extends the FPC tcomponent with object linking facilities and the like; base of every MSEgui component. This unit, mseclasses, must be added to uses after classes in code that also uses a third-party unit expecting the plain FPC tcomponent (e.g. TPSScript.Create(TComponent)), since MSEgui forks the FPC classes unit.

Hierarchy

• TObject
• tpersistent
• tcomponent
• tmsecomponent
• tactcomponent
• twidget
• tactionwidget
• tactionpublishedwidgetnwr
• tpublishedwidgetnwr
• tpublishedwidget
• tcustomedit
• tcustomdataedit
• tdataedit
• tcustomitemedit
• ttreeitemedit

Overview

Methods

Protected	procedure doitembuttonpress(var info: mouseeventinfoty); override;
Protected	function locatecount: integer; override;
Protected	function locatecurrentindex: integer; override;
Protected	procedure locatesetcurrentindex(const aindex: integer); override;
Protected	function getkeystring(const aindex: integer): msestring; override;
Protected	procedure doupdatelayout(const nocolinvalidate: boolean); override;
Protected	procedure dokeydown(var info: keyeventinfoty); override;
Protected	procedure docellevent(const ownedcol: boolean; var info: celleventinfoty); override;
Protected	function checkrowmove(const curindex,newindex: integer): boolean;
Protected	procedure beforecelldragevent(var ainfo: draginfoty; const arow: integer; var processed: boolean); override;
Protected	procedure aftercelldragevent(var ainfo: draginfoty; const arow: integer; var processed: boolean); override;
Protected	function getdatalistclass: datalistclassty; override;
Public	constructor create(aowner: tcomponent); override;
Public	destructor destroy; override;
Public	function item: ttreelistedititem;
Public	function selecteditems: treelistedititemarty;
Public	function candragsource(const apos: pointty): boolean;
Public	procedure dragdrop(const adragobject: ttreeitemdragobject);
Public	procedure comparerow(const lindex,rindex: integer; var aresult: integer);
Public	procedure updateitemvalues(const index: integer; const count: integer); override;
Public	procedure updateitemvalues();
Public	procedure updateparentvalues(const index: integer);

Properties

Public	property items[const index: integer]: ttreelistedititem read getitems write setitems; default;
Published	property itemlist: ttreeitemeditlist read getitemlist write setitemlist stored false;
Published	property fieldedit: trecordfieldedit read ffieldedit write setfieldedit;
Published	property options: treeitemeditoptionsty read foptions write foptions default [];
Published	property ifiitemlink: tifitreeitemlinkcomp read getifiitemlink write setifiitemlink;
Published	property oncheckrowmove: checkmoveeventty read foncheckrowmove write foncheckrowmove;

Description

Methods

Protected	procedure doitembuttonpress(var info: mouseeventinfoty); override;
This item has no description.

Protected	function locatecount: integer; override;
This item has no description.

Protected	function locatecurrentindex: integer; override;
This item has no description.

Protected	procedure locatesetcurrentindex(const aindex: integer); override;
This item has no description.

Protected	function getkeystring(const aindex: integer): msestring; override;
This item has no description.

Protected	procedure doupdatelayout(const nocolinvalidate: boolean); override;
This item has no description.

Protected	procedure dokeydown(var info: keyeventinfoty); override;
This item has no description.

Protected	procedure docellevent(const ownedcol: boolean; var info: celleventinfoty); override;
This item has no description.

Protected	function checkrowmove(const curindex,newindex: integer): boolean;
This item has no description.

Protected	procedure beforecelldragevent(var ainfo: draginfoty; const arow: integer; var processed: boolean); override;
This item has no description.

Protected	procedure aftercelldragevent(var ainfo: draginfoty; const arow: integer; var processed: boolean); override;
This item has no description.

Protected	function getdatalistclass: datalistclassty; override;
This item has no description.

Public	constructor create(aowner: tcomponent); override;
This item has no description.

Public	destructor destroy; override;
This item has no description.

Public	function item: ttreelistedititem;
This item has no description.

Public	function selecteditems: treelistedititemarty;
This item has no description.

Public	function candragsource(const apos: pointty): boolean;
This item has no description.

Public	procedure dragdrop(const adragobject: ttreeitemdragobject);
This item has no description.

Public	procedure comparerow(const lindex,rindex: integer; var aresult: integer);
This item has no description.

Public	procedure updateitemvalues(const index: integer; const count: integer); override;
This item has no description.

Public	procedure updateitemvalues();
This item has no description.

Public	procedure updateparentvalues(const index: integer);
This item has no description.

Properties

Public	property items[const index: integer]: ttreelistedititem read getitems write setitems; default;
This item has no description.

Published

property itemlist: ttreeitemeditlist read getitemlist write setitemlist stored false;

Like all item-edit widgets, ttreeitemedit must be placed into a twidgetgrid — it does not work standalone; this is how MSEgui implements a tree view. itemlist maps the tree items (ttreelistedititem) to grid cells; its defaultnodestate initializes newly created root nodes (e.g. include ns_expanded to have them start expanded). Note that a grid cell's selected state is independent from a tree item's own selected state.

Published	property fieldedit: trecordfieldedit read ffieldedit write setfieldedit;
This item has no description.

Published	property options: treeitemeditoptionsty read foptions write foptions default [];
This item has no description.

Published	property ifiitemlink: tifitreeitemlinkcomp read getifiitemlink write setifiitemlink;
This item has no description.

Published	property oncheckrowmove: checkmoveeventty read foncheckrowmove write foncheckrowmove;
This item has no description.

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