that are displayed inline with the input, before or after. In order for an element to be considered as a prefix, it must have the slot attribute set to prefix (and similarly for suffix).
Details:
The end!
 Styling The following shadow DOM parts are available for styling: Part name Description label The label element input-field The element that wraps prefix, value and suffix value The text value element inside the input-field element error-message The error message element The following state attributes are available for styling: Attribute Description Part name disabled Set to a disabled text field :host has-value Set when the element has a value :host has-label Set when the element has a label :host invalid Set when the element is invalid :host focused Set when the element is focused :host focus-ring Set when the element is keyboard focused :host readonly Set to a readonly text field :host See ThemableMixin ? how to apply styles for shadow parts "> that are displayed inline with the input, before or after. In order for an element to be considered as a prefix, it must have the slot attribute set to prefix (and similarly for suffix).
Details:
The end!
 Styling The following shadow DOM parts are available for styling: Part name Description label The label element input-field The element that wraps prefix, value and suffix value The text value element inside the input-field element error-message The error message element The following state attributes are available for styling: Attribute Description Part name disabled Set to a disabled text field :host has-value Set when the element has a value :host has-label Set when the element has a label :host invalid Set when the element is invalid :host focused Set when the element is focused :host focus-ring Set when the element is keyboard focused :host readonly Set to a readonly text field :host See ThemableMixin ? how to apply styles for shadow parts ">com.vaadin.flow.component.textfield.GeneratedVaadinTextArea API 23.1.17 | Vaadin
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com.vaadin.flow.component.textfield.

Class GeneratedVaadinTextArea<R extends GeneratedVaadinTextArea<R,​T>,​T>

  • All Implemented Interfaces:

    AttachNotifier, BlurNotifier<R>, DetachNotifier, Focusable<R>, FocusNotifier<R>, HasElement, HasEnabled, HasStyle, HasTheme, HasValue<AbstractField.ComponentValueChangeEvent<R,​T>,​T>, HasValueAndElement<AbstractField.ComponentValueChangeEvent<R,​T>,​T>, Serializable

    Direct Known Subclasses:

    TextArea

    @Tag("vaadin-text-area")
@NpmPackage(value="@vaadin/polymer-legacy-adapter",version="23.1.15") @NpmPackage(value="@vaadin/text-area",version="23.1.15") @NpmPackage(value="@vaadin/vaadin-text-field",version="23.1.15")
@JsModule("@vaadin/polymer-legacy-adapter/style-modules.js") @JsModule("@vaadin/text-area/src/vaadin-text-area.js")
public abstract class GeneratedVaadinTextArea<R extends GeneratedVaadinTextArea<R,​T>,​T>
extends AbstractSinglePropertyField<R,​T>
implements HasStyle, Focusable<R>, HasTheme

    Description copied from corresponding location in WebComponent:

    <vaadin-text-area> is a Web Component for text area control in forms.

    <vaadin-text-area label="Add description"> </vaadin-text-area>

    Prefixes and suffixes

    These are child elements of a <vaadin-text-area> that are displayed inline with the input, before or after. In order for an element to be considered as a prefix, it must have the slot attribute set to prefix (and similarly for suffix).

    <vaadin-text-area label="Add description"> <div slot="prefix">Details:</div> <div slot="suffix">The end!</div> </vaadin-text-area>

    Styling

    The following shadow DOM parts are available for styling:

    Part name Description
    label The label element
    input-field The element that wraps prefix, value and suffix
    value The text value element inside the input-field element
    error-message The error message element

    The following state attributes are available for styling:

    Attribute Description Part name
    disabled Set to a disabled text field :host
    has-value Set when the element has a value :host
    has-label Set when the element has a label :host
    invalid Set when the element is invalid :host
    focused Set when the element is focused :host
    focus-ring Set when the element is keyboard focused :host
    readonly Set to a readonly text field :host

    See ThemableMixin ? how to apply styles for shadow parts

    See Also:

    Serialized Form

    • Constructor Detail

      • GeneratedVaadinTextArea

        public GeneratedVaadinTextArea​(T initialValue,
                               T defaultValue,
                               Class<P> elementPropertyType,
                               SerializableFunction<P,​T> presentationToModel,
                               SerializableFunction<T,​P> modelToPresentation)

        Constructs a new GeneratedVaadinTextArea component with the given arguments.

        Type Parameters:

        P - the property type

        Parameters:

        initialValue - the initial value to set to the value

        defaultValue - the default value to use if the value isn't defined

        elementPropertyType - the type of the element property

        presentationToModel - a function that converts a string value to a model value

        modelToPresentation - a function that converts a model value to a string value

      • GeneratedVaadinTextArea

        public GeneratedVaadinTextArea​(T initialValue,
                               T defaultValue,
                               boolean acceptNullValues)

        Constructs a new GeneratedVaadinTextArea component with the given arguments.

        Parameters:

        initialValue - the initial value to set to the value

        defaultValue - the default value to use if the value isn't defined

        acceptNullValues - whether null is accepted as a model value

      • GeneratedVaadinTextArea

        public GeneratedVaadinTextArea​(T initialValue,
                               T defaultValue,
                               boolean acceptNullValues,
                               boolean isInitialValueOptional)

        Constructs a new GeneratedVaadinTextArea component with the given arguments.

        Parameters:

        initialValue - the initial value to set to the value

        defaultValue - the default value to use if the value isn't defined

        acceptNullValues - whether null is accepted as a model value

        isInitialValueOptional - if isInitialValueOptional is true then the initial value is used only if element has no "value" property value, otherwise element "value" property is ignored and the initial value is set

      • GeneratedVaadinTextArea

        public GeneratedVaadinTextArea​(T initialValue,
                               T defaultValue,
                               Class<P> elementPropertyType,
                               SerializableBiFunction<R,​P,​T> presentationToModel,
                               SerializableBiFunction<R,​T,​P> modelToPresentation)

        Constructs a new GeneratedVaadinTextArea component with the given arguments.

        Type Parameters:

        P - the property type

        Parameters:

        initialValue - the initial value to set to the value

        defaultValue - the default value to use if the value isn't defined

        elementPropertyType - the type of the element property

        presentationToModel - a function that accepts this component and a property value and returns a model value

        modelToPresentation - a function that accepts this component and a model value and returns a property value

      • GeneratedVaadinTextArea

        public GeneratedVaadinTextArea()

        Default constructor.

    • Method Detail

      • addThemeVariants

        public void addThemeVariants​(TextAreaVariant... variants)

        Adds theme variants to the component.

        Parameters:

        variants - theme variants to add

      • removeThemeVariants

        public void removeThemeVariants​(TextAreaVariant... variants)

        Removes theme variants from the component.

        Parameters:

        variants - theme variants to remove

      • isAutofocusBoolean

        protected boolean isAutofocusBoolean()

        Description copied from corresponding location in WebComponent:

        Specify that this control should have input focus when the page loads.

        This property is not synchronized automatically from the client side, so the returned value may not be the same as in client side.

        Returns:

        the autofocus property from the webcomponent

      • setAutofocus

        protected void setAutofocus​(boolean autofocus)

        Description copied from corresponding location in WebComponent:

        Specify that this control should have input focus when the page loads.

        Parameters:

        autofocus - the boolean value to set

      • isDisabledBoolean

        protected boolean isDisabledBoolean()

        Description copied from corresponding location in WebComponent:

        If true, the user cannot interact with this element.

        This property is not synchronized automatically from the client side, so the returned value may not be the same as in client side.

        Returns:

        the disabled property from the webcomponent

      • setDisabled

        protected void setDisabled​(boolean disabled)

        Description copied from corresponding location in WebComponent:

        If true, the user cannot interact with this element.

        Parameters:

        disabled - the boolean value to set

      • getAutocompleteString

        protected String getAutocompleteString()

        Description copied from corresponding location in WebComponent:

        Whether the value of the control can be automatically completed by the browser. List of available options at: https://developer.mozilla.org/en/docs /Web/HTML/Element/input#attr-autocomplete

        This property is not synchronized automatically from the client side, so the returned value may not be the same as in client side.

        Returns:

        the autocomplete property from the webcomponent

      • setAutocomplete

        protected void setAutocomplete​(String autocomplete)

        Description copied from corresponding location in WebComponent:

        Whether the value of the control can be automatically completed by the browser. List of available options at: https://developer.mozilla.org/en/docs /Web/HTML/Element/input#attr-autocomplete

        Parameters:

        autocomplete - the String value to set

      • getAutocorrectString

        protected String getAutocorrectString()

        Description copied from corresponding location in WebComponent:

        This is a property supported by Safari that is used to control whether autocorrection should be enabled when the user is entering/editing the text. Possible values are: on: Enable autocorrection. off: Disable autocorrection.

        This property is not synchronized automatically from the client side, so the returned value may not be the same as in client side.

        Returns:

        the autocorrect property from the webcomponent

      • setAutocorrect

        protected void setAutocorrect​(String autocorrect)

        Description copied from corresponding location in WebComponent:

        This is a property supported by Safari that is used to control whether autocorrection should be enabled when the user is entering/editing the text. Possible values are: on: Enable autocorrection. off: Disable autocorrection.

        Parameters:

        autocorrect - the String value to set

      • getAutocapitalizeString

        protected String getAutocapitalizeString()

        Description copied from corresponding location in WebComponent:

        This is a property supported by Safari and Chrome that is used to control whether autocapitalization should be enabled when the user is entering/editing the text. Possible values are: characters: Characters capitalization. words: Words capitalization. sentences: Sentences capitalization. none: No capitalization.

        This property is not synchronized automatically from the client side, so the returned value may not be the same as in client side.

        Returns:

        the autocapitalize property from the webcomponent

      • setAutocapitalize

        protected void setAutocapitalize​(String autocapitalize)

        Description copied from corresponding location in WebComponent:

        This is a property supported by Safari and Chrome that is used to control whether autocapitalization should be enabled when the user is entering/editing the text. Possible values are: characters: Characters capitalization. words: Words capitalization. sentences: Sentences capitalization. none: No capitalization.

        Parameters:

        autocapitalize - the String value to set

      • isAutoselectBoolean

        protected boolean isAutoselectBoolean()

        Description copied from corresponding location in WebComponent:

        Specify that the value should be automatically selected when the field gains focus.

        This property is not synchronized automatically from the client side, so the returned value may not be the same as in client side.

        Returns:

        the autoselect property from the webcomponent

      • setAutoselect

        protected void setAutoselect​(boolean autoselect)

        Description copied from corresponding location in WebComponent:

        Specify that the value should be automatically selected when the field gains focus.

        Parameters:

        autoselect - the boolean value to set

      • getErrorMessageString

        protected String getErrorMessageString()

        Description copied from corresponding location in WebComponent:

        Error to show when the input value is invalid.

        This property is not synchronized automatically from the client side, so the returned value may not be the same as in client side.

        Returns:

        the errorMessage property from the webcomponent

      • setErrorMessage

        protected void setErrorMessage​(String errorMessage)

        Description copied from corresponding location in WebComponent:

        Error to show when the input value is invalid.

        Parameters:

        errorMessage - the String value to set

      • getLabelString

        protected String getLabelString()

        Description copied from corresponding location in WebComponent:

        String used for the label element.

        This property is not synchronized automatically from the client side, so the returned value may not be the same as in client side.

        Returns:

        the label property from the webcomponent

      • setLabel

        protected void setLabel​(String label)

        Description copied from corresponding location in WebComponent:

        String used for the label element.

        Parameters:

        label - the String value to set

      • getMaxlengthDouble

        protected double getMaxlengthDouble()

        Description copied from corresponding location in WebComponent:

        Maximum number of characters (in Unicode code points) that the user can enter.

        This property is not synchronized automatically from the client side, so the returned value may not be the same as in client side.

        Returns:

        the maxlength property from the webcomponent

      • setMaxlength

        protected void setMaxlength​(double maxlength)

        Description copied from corresponding location in WebComponent:

        Maximum number of characters (in Unicode code points) that the user can enter.

        Parameters:

        maxlength - the double value to set

      • getMinlengthDouble

        protected double getMinlengthDouble()

        Description copied from corresponding location in WebComponent:

        Minimum number of characters (in Unicode code points) that the user can enter.

        This property is not synchronized automatically from the client side, so the returned value may not be the same as in client side.

        Returns:

        the minlength property from the webcomponent

      • setMinlength

        protected void setMinlength​(double minlength)

        Description copied from corresponding location in WebComponent:

        Minimum number of characters (in Unicode code points) that the user can enter.

        Parameters:

        minlength - the double value to set

      • getNameString

        protected String getNameString()

        Description copied from corresponding location in WebComponent:

        The name of the control, which is submitted with the form data.

        This property is not synchronized automatically from the client side, so the returned value may not be the same as in client side.

        Returns:

        the name property from the webcomponent

      • setName

        protected void setName​(String name)

        Description copied from corresponding location in WebComponent:

        The name of the control, which is submitted with the form data.

        Parameters:

        name - the String value to set

      • getPlaceholderString

        protected String getPlaceholderString()

        Description copied from corresponding location in WebComponent:

        A hint to the user of what can be entered in the control.

        This property is not synchronized automatically from the client side, so the returned value may not be the same as in client side.

        Returns:

        the placeholder property from the webcomponent

      • setPlaceholder

        protected void setPlaceholder​(String placeholder)

        Description copied from corresponding location in WebComponent:

        A hint to the user of what can be entered in the control.

        Parameters:

        placeholder - the String value to set

      • isReadonlyBoolean

        protected boolean isReadonlyBoolean()

        Description copied from corresponding location in WebComponent:

        This attribute indicates that the user cannot modify the value of the control.

        This property is not synchronized automatically from the client side, so the returned value may not be the same as in client side.

        Returns:

        the readonly property from the webcomponent

      • setReadonly

        protected void setReadonly​(boolean readonly)

        Description copied from corresponding location in WebComponent:

        This attribute indicates that the user cannot modify the value of the control.

        Parameters:

        readonly - the boolean value to set

      • isRequiredBoolean

        protected boolean isRequiredBoolean()

        Description copied from corresponding location in WebComponent:

        Specifies that the user must fill in a value.

        This property is not synchronized automatically from the client side, so the returned value may not be the same as in client side.

        Returns:

        the required property from the webcomponent

      • setRequired

        protected void setRequired​(boolean required)

        Description copied from corresponding location in WebComponent:

        Specifies that the user must fill in a value.

        Parameters:

        required - the boolean value to set

      • isInvalidBoolean

        protected boolean isInvalidBoolean()

        Description copied from corresponding location in WebComponent:

        This property is set to true when the control value is invalid.

        Returns:

        the invalid property from the webcomponent

      • setInvalid

        protected void setInvalid​(boolean invalid)

        Description copied from corresponding location in WebComponent:

        This property is set to true when the control value is invalid.

        Parameters:

        invalid - the boolean value to set

      • isPreventInvalidInputBoolean

        protected boolean isPreventInvalidInputBoolean()

        Description copied from corresponding location in WebComponent:

        When set to true, user is prevented from typing a value that conflicts with the given maxlength or minlength properties.

        This property is not synchronized automatically from the client side, so the returned value may not be the same as in client side.

        Returns:

        the preventInvalidInput property from the webcomponent

      • setPreventInvalidInput

        protected void setPreventInvalidInput​(boolean preventInvalidInput)

        Description copied from corresponding location in WebComponent:

        When set to true, user is prevented from typing a value that conflicts with the given maxlength or minlength properties.

        Parameters:

        preventInvalidInput - the boolean value to set

      • checkValidity

        @NotSupported
protected void checkValidity()

        Description copied from corresponding location in WebComponent:

        Returns true if the current input value satisfies all constraints (if any)

        This function is not supported by Flow because it returns a boolean. Functions with return types different than void are not supported at this moment.

      • validate

        @NotSupported
protected void validate()

        Description copied from corresponding location in WebComponent:

        Returns true if value is valid. <iron-form> uses this to check the validity or all its elements.

        This function is not supported by Flow because it returns a boolean. Functions with return types different than void are not supported at this moment.

      • remove

        protected void remove​(Component... components)

        Removes the given child components from this component.

        Parameters:

        components - The components to remove.

        Throws:

        IllegalArgumentException - if any of the components is not a child of this component.

      • removeAll

        protected void removeAll()

        Removes all contents from this component, this includes child components, text content as well as child elements that have been added directly to this component using the Element API.