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com.vaadin.client.ui.
Class AbstractFieldConnector
- java.lang.Object
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- com.vaadin.client.ui.AbstractConnector
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- com.vaadin.client.ui.AbstractComponentConnector
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- com.vaadin.client.ui.AbstractFieldConnector
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All Implemented Interfaces:
com.google.gwt.event.shared.EventHandler,StateChangeEvent.StateChangeHandler,ComponentConnector,HasWidget,ServerConnector,HasErrorIndicator,HasRequiredIndicator,Connector,SerializableDirect Known Subclasses:
AbstractDateFieldConnector,AbstractListingConnector,AbstractTextFieldConnector,CheckBoxConnector,CustomFieldConnector,ProgressBarConnector,RichTextAreaConnector,SliderConnectorpublic abstract class AbstractFieldConnector extends AbstractComponentConnector implements HasRequiredIndicatorBase class for field connectors.
Author:
Vaadin Ltd
See Also:
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Field Summary
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Fields inherited from class com.vaadin.client.ui.AbstractComponentConnector
SIGNIFICANT_MOVE_THRESHOLD
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Constructor Summary
Constructors Constructor Description AbstractFieldConnector()
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Method Summary
All Methods Modifier and Type Method Description AbstractFieldStategetState()Returns the shared state object for this connector.
booleanisReadOnly()Checks if the connector is read only.
booleanisRequiredIndicatorVisible()Checks if a required indicator should be shown for the given connector.
protected voidupdateWidgetStyleNames()Updates the user defined, read-only and error style names for the widget based the shared state.
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Methods inherited from class com.vaadin.client.ui.AbstractComponentConnector
createWidget, delegateCaptionHandling, flush, getIcon, getIconUri, getLayoutManager, getTooltipInfo, getWidget, hasTooltip, isErrorIndicatorVisible, isRealUpdate, isRelativeHeight, isRelativeWidth, isUndefinedHeight, isUndefinedWidth, onDragSourceAttached, onDragSourceDetached, onDropTargetAttached, onDropTargetDetached, onStateChanged, onUnregister, registerTouchHandlers, sendContextClickEvent, setWidgetEnabled, setWidgetStyleName, setWidgetStyleNameWithPrefix, shouldHandleLongTap, unregisterTouchHandlers, updateComponentSize, updateComponentSize, updateEnabledState, updateWidgetSize
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Methods inherited from class com.vaadin.client.ui.AbstractConnector
addStateChangeHandler, addStateChangeHandler, createState, doInit, ensureHandlerManager, fireEvent, forceStateChange, getChildren, getConnection, getConnectorId, getParent, getResourceUrl, getRpcImplementations, getRpcProxy, getStateType, getTag, hasEventListener, init, isEnabled, registerRpc, removeStateChangeHandler, removeStateChangeHandler, setChildren, setParent, setTag, unregisterRpc
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface com.vaadin.client.ComponentConnector
delegateCaptionHandling, flush, getLayoutManager, getTooltipInfo, hasTooltip, isRelativeHeight, isRelativeWidth, isUndefinedHeight, isUndefinedWidth, setWidgetEnabled
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Methods inherited from interface com.vaadin.shared.Connector
getConnectorId
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Methods inherited from interface com.vaadin.client.ServerConnector
addStateChangeHandler, addStateChangeHandler, doInit, fireEvent, getChildren, getConnection, getParent, getRpcImplementations, getTag, hasEventListener, isEnabled, onUnregister, removeStateChangeHandler, removeStateChangeHandler, setChildren, setParent, setTag, updateEnabledState
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Method Detail
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getState
public AbstractFieldState getState()Description copied from class:
AbstractConnectorReturns the shared state object for this connector. Override this method to define the shared state type for your connector.
Specified by:
getStatein interfaceComponentConnectorSpecified by:
getStatein interfaceServerConnectorOverrides:
getStatein classAbstractComponentConnectorReturns:
the current shared state (never null)
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isRequiredIndicatorVisible
public boolean isRequiredIndicatorVisible()Description copied from interface:
HasRequiredIndicatorChecks if a required indicator should be shown for the given connector.
Specified by:
isRequiredIndicatorVisiblein interfaceHasRequiredIndicatorReturns:
trueto show an indicator,falseotherwise
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updateWidgetStyleNames
protected void updateWidgetStyleNames()Description copied from class:
AbstractComponentConnectorUpdates the user defined, read-only and error style names for the widget based the shared state. User defined style names are prefixed with the primary style name of the widget returned by
AbstractComponentConnector.getWidget()This method can be overridden to provide additional style names for the component, for example see
AbstractFieldConnectorOverrides:
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isReadOnly
public boolean isReadOnly()Checks if the connector is read only.
Returns:
true
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