pascalSCADA OPM: HMIEdit: Class THMIEdit

From Pascal SCADA OPM

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Class THMIEdit

Fields

Unit

Declaration

type THMIEdit = class(TEdit, IHMIInterface)

Description

THMIEdit

Hierarchy

TEdit
THMIEdit

Overview

Methods

	`procedure SetHMITag(t:TPLCTag);`
	`function GetHMITag:TPLCTag;`
	`function GetControlSecurityCode:UTF8String;`
	`procedure CanBeAccessed(a:Boolean);`
	`procedure MakeUnsecure;`

Properties

	`property SendValueWhen: TSendChange read FSend write SetSend stored true default [scLostFocus, scPressEnter];`
	`property NumberFormat: AnsiString read FNumberFormat write SetFormat;`
	`property PLCTag: TPLCTag read GetHMITag write SetHMITag;`
	`property Text: TCaption read GetText stored false;`
	`property Color: TColor read GetColor Write SetColor;`
	`property ShowFocused: Boolean read FShowFocused write SetShowFocused default true;`
	`property Prefix: TCaption read FPrefix write SetPrefix;`
	`property Sufix: TCaption read FSufix write SetSufix;`
	`property FreezeValueOnFocus: Boolean read FFreezeValue write FFreezeValue default true;`
	`property EnableMinValue: Boolean read FEnableMin write FEnableMin stored true;`
	`property EnableMaxValue: Boolean read FEnableMax write FEnableMax stored true;`
	`property MinValue: Double read FMinLimit write SetMinLimit;`
	`property MaxValue: Double read FMaxLimit write SetMaxLimit;`
	`property SecurityCode: UTF8String read FSecurityCode write SetSecurityCode;`
	`property ScreenKeyboardBehavior: TOnScreenKeyboardBehavior read FOnScreenKeyboardBehavior write FOnScreenKeyboardBehavior default oskbDisabled;`
	`property ScreenNumericKBShowMinus: Boolean read FNumericKBShowMinus write FNumericKBShowMinus default false;`
	`property ScreenNumericKBShowDecimal: Boolean read FNumericKBShowDecimal write FNumericKBShowDecimal default false;`
	`property BeforeSendAValueToTag: TBeforeSendStringValueToTagEvent read FBeforeSendValueToTag write FBeforeSendValueToTag;`
	`property AfterSendValueToTag: TAfterSendStringValueToTagEvent read FAfterSendValueToTag write FAfterSendValueToTag;`

Description

Methods

procedure SetHMITag(t:TPLCTag);

:

See also

IHMIInterface.SetHMITag

function GetHMITag:TPLCTag;

seta um tag :

See also

IHMIInterface.GetHMITag

function GetControlSecurityCode:UTF8String;

:

See also

IHMIInterface.GetControlSecurityCode

procedure CanBeAccessed(a:Boolean);

:

See also

IHMIInterface.CanBeAccessed

procedure MakeUnsecure;

:

See also

IHMIInterface.MakeUnsecure

Properties

property SendValueWhen: TSendChange read FSend write SetSend stored true default [scLostFocus, scPressEnter];

: SendValueWhen tell when the Edit will send the modified value to tag.

See also

TSendChange

property NumberFormat: AnsiString read FNumberFormat write SetFormat;

: If the linked tag is a numeric tag, specifies the format of the number.

More information, see the documentation of the function FormatFloat of your development environment.

property PLCTag: TPLCTag read GetHMITag write SetHMITag;

: Tag that will be linked with Edit control.

See also

TPLCTag: Base class of a communication tag.
TPLCTagNumber: Single numeric tag with communication.
TPLCBlockElement
TPLCStructItem
TPLCString

	`property Text: TCaption read GetText stored false;`
: `Text` returns the text showed on control. Includes the suffix, prefix and the number format.

	`property Color: TColor read GetColor Write SetColor;`
: `Color` is the actual background color of the control.

property ShowFocused: Boolean read FShowFocused write SetShowFocused default true;

: If ShowFocused is True, swaps the colors of the foreground and background when control has the focus.

Keep the value of this property to False when you are using GTK1 widgetset.

	`property Prefix: TCaption read FPrefix write SetPrefix;`
: `Prefix` is the text that will be show on the left (before) of the value of the tag when the control doesn't has the focus.

	`property Sufix: TCaption read FSufix write SetSufix;`
: `Sufix` is the text that will be show on the right (after) of the value of the tag when the control doesn't has the focus. Useful to show the engineering unit of the tag.

	`property FreezeValueOnFocus: Boolean read FFreezeValue write FFreezeValue default true;`
: If the value of `FreezeValueOnFocus` is `True`, stops the updates of the value of the tag when the control has de focus.

	`property EnableMinValue: Boolean read FEnableMin write FEnableMin stored true;`
: Enables/disables the minimum limit.

	`property EnableMaxValue: Boolean read FEnableMax write FEnableMax stored true;`
: Enables/disables the maximum limit.

	`property MinValue: Double read FMinLimit write SetMinLimit;`
: Minimum value acceptable if the minimum limit is enabled.

	`property MaxValue: Double read FMaxLimit write SetMaxLimit;`
: Maximum value acceptable if the maximum limit is enabled.

	`property SecurityCode: UTF8String read FSecurityCode write SetSecurityCode;`
: Security code that allows access to control.

	`property ScreenKeyboardBehavior: TOnScreenKeyboardBehavior read FOnScreenKeyboardBehavior write FOnScreenKeyboardBehavior default oskbDisabled;`
: On screen keyboard control behavior. The keyboard type will be made automacally based on tag type, limits and on NumberFormat property.

	`property ScreenNumericKBShowMinus: Boolean read FNumericKBShowMinus write FNumericKBShowMinus default false;`

	`property ScreenNumericKBShowDecimal: Boolean read FNumericKBShowDecimal write FNumericKBShowDecimal default false;`

	`property BeforeSendAValueToTag: TBeforeSendStringValueToTagEvent read FBeforeSendValueToTag write FBeforeSendValueToTag;`
: Event triggered before HMIEdit send a value to linked tag.

	`property AfterSendValueToTag: TAfterSendStringValueToTagEvent read FAfterSendValueToTag write FAfterSendValueToTag;`
: Event triggered when the HMIEdit sent a value to linked tag.

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