Class tcustomdropdowncontroller

Unit

msedropdownlist

Declaration

type tcustomdropdowncontroller = class(teventpersistent, ibutton, ievent, idropdowncontroller, idataeditcontroller)

Description

Hierarchy

• TObject
• tpersistent
• tvirtualpersistent
• tnullinterfacedpersistent
• tlinkedpersistent
• teventpersistent
• tcustomdropdowncontroller

Overview

Fields

	fowner: twidget;
	fdataselected: boolean;
	fcolor: colorty;
	fcolorclient: colorty;
	fdropdowncount: integer;
	fselectkey: keyty;
	fintf: idropdown;
	foptions: dropdowneditoptionsty;
	fstate: dropdowncontrollerstatesty;

Methods

	procedure applicationactivechanged(const avalue: boolean); virtual;
	function getbuttonframeclass: dropdownbuttonframeclassty; virtual;
	procedure updatedropdownbounds(var arect: rectty); virtual;
	procedure updatedropdownpos(const arect: rectty);
	procedure objectevent(const sender: tobject; const event: objecteventty); override;
	procedure setoptions(const Value: dropdowneditoptionsty); virtual;
	function getdropdownwidget: twidget; virtual;
	function getwidget: twidget;
	procedure dobeforedropdown; virtual;
	procedure doafterclosedropdown; virtual;
	procedure internaldropdown; virtual;
	function setdropdowntext(const avalue: msestring; const docheckvalue: boolean; const canceled: boolean; const akey: keyty): boolean;
	function candropdown: boolean; virtual;
	procedure selectnone(const akey: keyty); virtual;
	function isloading: boolean;
	procedure resetselection; virtual;
	function componentstate: tcomponentstate;
	procedure buttonaction(var action: buttonactionty; const buttonindex: integer);
	procedure mouseevent(var info: mouseeventinfoty);
	procedure dokeydown(var info: keyeventinfoty);
	procedure internalcreateframe; virtual;
	procedure updatereadonlystate;
	procedure domousewheelevent(var info: mousewheeleventinfoty);
	procedure editnotification(var info: editnotificationinfoty); virtual;
	constructor create(const intf: idropdown); reintroduce;
	destructor destroy; override;
	function hasdropdown(): boolean;
	procedure dostatread(const reader: tstatreader); virtual;
	procedure dostatwrite(const writer: tstatwriter); virtual;
	procedure dropdown; virtual;
	procedure canceldropdown;
	procedure dropdownactivated;
	procedure dropdowndeactivated;
	function dataselected: boolean;

Properties

	property dropdownwidget: twidget read getdropdownwidget;
	property options: dropdowneditoptionsty read foptions write setoptions default defaultdropdownoptionsedit;
	property color: colorty read fcolor write fcolor default cl_default;
	property colorclient: colorty read fcolorclient write fcolorclient default cl_default;
	property frametemplate: tframecomp read fframetemplate write setframetemplate;
	property facetemplate: tfacecomp read ffacetemplate write setfacetemplate;

Description

Fields

	fowner: twidget;

	fdataselected: boolean;

	fcolor: colorty;

	fcolorclient: colorty;

	fdropdowncount: integer;

	fselectkey: keyty;

	fintf: idropdown;

	foptions: dropdowneditoptionsty;

	fstate: dropdowncontrollerstatesty;

Methods

	procedure applicationactivechanged(const avalue: boolean); virtual;

	function getbuttonframeclass: dropdownbuttonframeclassty; virtual;

	procedure updatedropdownbounds(var arect: rectty); virtual;

	procedure updatedropdownpos(const arect: rectty);

	procedure objectevent(const sender: tobject; const event: objecteventty); override;

	procedure setoptions(const Value: dropdowneditoptionsty); virtual;

	function getdropdownwidget: twidget; virtual;

	function getwidget: twidget;

	procedure dobeforedropdown; virtual;

	procedure doafterclosedropdown; virtual;

	procedure internaldropdown; virtual;

	function setdropdowntext(const avalue: msestring; const docheckvalue: boolean; const canceled: boolean; const akey: keyty): boolean;

	function candropdown: boolean; virtual;

	procedure selectnone(const akey: keyty); virtual;

	function isloading: boolean;

	procedure resetselection; virtual;

	function componentstate: tcomponentstate;

	procedure buttonaction(var action: buttonactionty; const buttonindex: integer);

	procedure mouseevent(var info: mouseeventinfoty);

	procedure dokeydown(var info: keyeventinfoty);

	procedure internalcreateframe; virtual;

	procedure updatereadonlystate;

	procedure domousewheelevent(var info: mousewheeleventinfoty);

	procedure editnotification(var info: editnotificationinfoty); virtual;

	constructor create(const intf: idropdown); reintroduce;

	destructor destroy; override;

	function hasdropdown(): boolean;

	procedure dostatread(const reader: tstatreader); virtual;

	procedure dostatwrite(const writer: tstatwriter); virtual;

	procedure dropdown; virtual;

	procedure canceldropdown;

	procedure dropdownactivated;

	procedure dropdowndeactivated;

	function dataselected: boolean;

Properties

	property dropdownwidget: twidget read getdropdownwidget;

	property options: dropdowneditoptionsty read foptions write setoptions default defaultdropdownoptionsedit;

	property color: colorty read fcolor write fcolor default cl_default;

	property colorclient: colorty read fcolorclient write fcolorclient default cl_default;

	property frametemplate: tframecomp read fframetemplate write setframetemplate;

	property facetemplate: tfacecomp read ffacetemplate write setfacetemplate;