com.vaadin.client.ui.optiongroup.
Class CheckBoxGroupConnector
- 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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- com.vaadin.client.connectors.AbstractListingConnector
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- com.vaadin.client.connectors.AbstractFocusableListingConnector<VCheckBoxGroup>
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- com.vaadin.client.ui.optiongroup.CheckBoxGroupConnector
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All Implemented Interfaces:
com.google.gwt.event.shared.EventHandler
,StateChangeEvent.StateChangeHandler
,ComponentConnector
,HasDataSource
,HasWidget
,ServerConnector
,HasErrorIndicator
,HasRequiredIndicator
,Connector
,Serializable
public class CheckBoxGroupConnector extends AbstractFocusableListingConnector<VCheckBoxGroup>
CheckBoxGroup client side connector.
Since:
8.0
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 CheckBoxGroupConnector()
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Method Summary
All Methods Modifier and Type Method Description CheckBoxGroupState
getState()
Returns the shared state object for this connector.
TooltipInfo
getTooltipInfo(com.google.gwt.dom.client.Element element)
Gets the tooltip info for the given element.
boolean
hasTooltip()
Check whether there might be a tooltip for this component.
protected void
init()
Called when the connector has been initialized.
boolean
isRequiredIndicatorVisible()
Checks if a required indicator should be shown for the given connector.
void
onStateChanged(StateChangeEvent stateChangeEvent)
Notifies the event handler that the state has changed.
void
setDataSource(DataSource<elemental.json.JsonObject> dataSource)
Sets the data source for this Connector.
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Methods inherited from class com.vaadin.client.connectors.AbstractFocusableListingConnector
getWidget, onUnregister
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Methods inherited from class com.vaadin.client.connectors.AbstractListingConnector
getDataSource, getRowData, getRowKey, isRowSelected
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Methods inherited from class com.vaadin.client.ui.AbstractFieldConnector
isReadOnly, updateWidgetStyleNames
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Methods inherited from class com.vaadin.client.ui.AbstractComponentConnector
createWidget, delegateCaptionHandling, flush, getIcon, getIconUri, getLayoutManager, isErrorIndicatorVisible, isRealUpdate, isRelativeHeight, isRelativeWidth, isUndefinedHeight, isUndefinedWidth, onDragSourceAttached, onDragSourceDetached, onDropTargetAttached, onDropTargetDetached, 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, 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, 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, removeStateChangeHandler, removeStateChangeHandler, setChildren, setParent, setTag, updateEnabledState
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Method Detail
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init
protected void init()
Description copied from class:
AbstractConnector
Called when the connector has been initialized. Override this method to perform initialization of the connector.
Overrides:
init
in classAbstractFocusableListingConnector<VCheckBoxGroup>
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onStateChanged
public void onStateChanged(StateChangeEvent stateChangeEvent)
Description copied from interface:
StateChangeEvent.StateChangeHandler
Notifies the event handler that the state has changed.
Specified by:
onStateChanged
in interfaceStateChangeEvent.StateChangeHandler
Overrides:
onStateChanged
in classAbstractComponentConnector
Parameters:
stateChangeEvent
- the state change event with details about the change
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setDataSource
public void setDataSource(DataSource<elemental.json.JsonObject> dataSource)
Description copied from interface:
HasDataSource
Sets the data source for this Connector.
Specified by:
setDataSource
in interfaceHasDataSource
Overrides:
setDataSource
in classAbstractListingConnector
Parameters:
dataSource
- the new data source, not null
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getState
public CheckBoxGroupState getState()
Description copied from class:
AbstractConnector
Returns the shared state object for this connector. Override this method to define the shared state type for your connector.
Specified by:
getState
in interfaceComponentConnector
Specified by:
getState
in interfaceServerConnector
Overrides:
getState
in classAbstractListingConnector
Returns:
the current shared state (never null)
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isRequiredIndicatorVisible
public boolean isRequiredIndicatorVisible()
Description copied from interface:
HasRequiredIndicator
Checks if a required indicator should be shown for the given connector.
Specified by:
isRequiredIndicatorVisible
in interfaceHasRequiredIndicator
Overrides:
isRequiredIndicatorVisible
in classAbstractFieldConnector
Returns:
true
to show an indicator,false
otherwise
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getTooltipInfo
public TooltipInfo getTooltipInfo(com.google.gwt.dom.client.Element element)
Description copied from interface:
ComponentConnector
Gets the tooltip info for the given element.
When overriding this method,
ComponentConnector.hasTooltip()
should also be overridden to returntrue
in all situations where this method might return a non-empty result.Specified by:
getTooltipInfo
in interfaceComponentConnector
Overrides:
getTooltipInfo
in classAbstractComponentConnector
Parameters:
element
- The element to lookup a tooltip forReturns:
The tooltip for the element or null if no tooltip is defined for this element.
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hasTooltip
public boolean hasTooltip()
Description copied from interface:
ComponentConnector
Check whether there might be a tooltip for this component. The framework will only add event listeners for automatically handling tooltips (using
ComponentConnector.getTooltipInfo(Element)
) if this method returns true.This is only done to optimize performance, so in cases where the status is not known, it's safer to return
true
so that there will be a tooltip handler even though it might not be needed in all cases.Specified by:
hasTooltip
in interfaceComponentConnector
Overrides:
hasTooltip
in classAbstractComponentConnector
Returns:
true
if some part of the component might have a tooltip, otherwisefalse
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