com.vaadin.terminal.gwt.client.ui
Class AbstractFieldConnector
java.lang.Object
com.vaadin.terminal.gwt.client.ui.AbstractConnector
com.vaadin.terminal.gwt.client.ui.AbstractComponentConnector
com.vaadin.terminal.gwt.client.ui.AbstractFieldConnector
- All Implemented Interfaces:
- com.google.gwt.event.shared.EventHandler, StateChangeEvent.StateChangeHandler, ComponentConnector, Connector, ServerConnector, Serializable
- Direct Known Subclasses:
- AbstractDateFieldConnector, CheckBoxConnector, ComboBoxConnector, OptionGroupBaseConnector, ProgressIndicatorConnector, RichTextAreaConnector, SliderConnector, TextFieldConnector
public abstract class AbstractFieldConnector
- extends AbstractComponentConnector
- See Also:
- Serialized Form
Method Summary |
AbstractFieldState |
getState()
Returns the shared state object for this connector. |
boolean |
isModified()
|
boolean |
isReadOnly()
Checks if the connector is read only. |
boolean |
isRequired()
Checks whether the required indicator should be shown for the field. |
protected void |
updateWidgetStyleNames()
Updates the user defined, read-only and error style names for the widget
based the shared state. |
Methods inherited from class com.vaadin.terminal.gwt.client.ui.AbstractComponentConnector |
createWidget, delegateCaptionHandling, getLayoutManager, getTooltipInfo, getWidget, hasEventListener, init, isRealUpdate, isRelativeHeight, isRelativeWidth, isUndefinedHeight, isUndefinedWidth, onStateChanged, onUnregister, setWidgetEnabled, setWidgetStyleName, setWidgetStyleNameWithPrefix, updateEnabledState |
Methods inherited from class com.vaadin.terminal.gwt.client.ui.AbstractConnector |
addStateChangeHandler, createState, doInit, ensureHandlerManager, fireEvent, getChildren, getConnection, getConnectorId, getParent, getRpcImplementations, isEnabled, registerRpc, setChildren, setParent, unregisterRpc |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
AbstractFieldConnector
public AbstractFieldConnector()
getState
public AbstractFieldState 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 interface ComponentConnector
- Specified by:
getState
in interface Connector
- Overrides:
getState
in class AbstractComponentConnector
- Returns:
- the current shared state (never null)
isReadOnly
public boolean isReadOnly()
- Description copied from interface:
ComponentConnector
- Checks if the connector is read only.
- Specified by:
isReadOnly
in interface ComponentConnector
- Overrides:
isReadOnly
in class AbstractComponentConnector
- Returns:
- true
isModified
public boolean isModified()
isRequired
public boolean isRequired()
- Checks whether the required indicator should be shown for the field.
Required indicators are hidden if the field or its data source is
read-only.
- Returns:
- true if required indicator should be shown
updateWidgetStyleNames
protected void updateWidgetStyleNames()
- Description copied from class:
AbstractComponentConnector
- Updates 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
updateWidgetStyleNames()
- Overrides:
updateWidgetStyleNames
in class AbstractComponentConnector
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