com.holonplatform.vaadin.components

Interface Input<V>

Type Parameters:

V - Value type

All Superinterfaces:

Serializable, ValueComponent<V>, ValueHolder<V>

All Known Subinterfaces:

MultiSelect<T>, SingleSelect<T>, ValidatableInput<V>

public interface Input<V>
extends ValueHolder<V>, ValueComponent<V>

Input component representation, i.e. a UI component that has a user-editable value.

Extends ValueHolder since handles a value, supporting ValueChangeListeners registration.

The actual UI Component which represents the input component can be obtained through ValueComponent.getComponent().

Since:

5.0.0

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	Input.InputFieldPropertyRenderer<T,F extends com.vaadin.data.HasValue<T> & com.vaadin.ui.Component> A convenience interface to render a Property as a Input using a HasValue component.
static interface	Input.InputPropertyRenderer<T> A convenience interface with a fixed Input rendering type to use a Input PropertyRenderer as a functional interface.

Nested classes/interfaces inherited from interface com.holonplatform.vaadin.components.ValueHolder

ValueHolder.ValueChangeEvent<V>, ValueHolder.ValueChangeListener<V>

Method Summary

Modifier and Type	Method and Description
void	focus() Sets the focus for this input component, if supported by concrete component implementation.
static <F extends com.vaadin.data.HasValue<T> & com.vaadin.ui.Component,T> Input<T>	from(F field) Create a Input component type from given HasValue component.
boolean	isReadOnly() Returns whether this input component is in read-only mode or not.
boolean	isRequired() Gets whether the field is required, i.e. a required indicator symbol is visible.
void	setReadOnly(boolean readOnly) Sets the read-only mode of this input component.
void	setRequired(boolean required) Sets whether the required indicator symbol is visible.

Methods inherited from interface com.holonplatform.vaadin.components.ValueHolder

addValueChangeListener, clear, getEmptyValue, getOptionalValue, getValue, isEmpty, setValue

Methods inherited from interface com.holonplatform.vaadin.components.ValueComponent

getComponent, getValue

Method Detail

setReadOnly

void setReadOnly(boolean readOnly)

Sets the read-only mode of this input component. The user can't change the value when in read-only mode.

Parameters:

readOnly - the read-only mode of this input component

isReadOnly

boolean isReadOnly()

Returns whether this input component is in read-only mode or not.

Returns:

false if the user can modify the value, true if not

isRequired

boolean isRequired()

Gets whether the field is required, i.e. a required indicator symbol is visible.

Returns:

true if the field as required, false otherwise

setRequired

void setRequired(boolean required)

Sets whether the required indicator symbol is visible.

Parameters:

required - true to set the field as required, false otherwise

focus

void focus()

Sets the focus for this input component, if supported by concrete component implementation.

from

static <F extends com.vaadin.data.HasValue<T> & com.vaadin.ui.Component,T> Input<T> from(F field)

Create a Input component type from given HasValue component.

Type Parameters:

T - Value type

F - HasValue component type

Parameters:

field - The field instance (not null)

Returns:

A new Input component which wraps the given field