ADAPTER
- is the generic type of AbstractUiWidgetNative.getWidgetAdapter()
.CHILD
- is the generic type of the children
.public abstract class AbstractUiWidgetSingleComposite<ADAPTER extends UiWidgetAdapterSingleComposite<CHILD>,CHILD extends UiWidget> extends AbstractUiWidgetComposite<ADAPTER,CHILD> implements UiWidgetSingleComposite<CHILD>
UiWidgetSingleComposite
.AbstractUiWidgetNative.SizeImpl
AbstractUiWidget.AccessHelper, AbstractUiWidget.EventSender, AbstractUiWidget.HandlerContainer
Modifier and Type | Field and Description |
---|---|
private CHILD |
child |
STYLE_HEADER
HTML_ATTRIBUTE_ID, ID_SEPARATOR, PROPERTY_ID
PROPERTY_STYLES, STYLE_PATTERN_MULTIPLE, STYLE_PATTERN_SINGLE
WAI_ARIA
Constructor and Description |
---|
AbstractUiWidgetSingleComposite(UiContext context,
ADAPTER widgetAdapter)
The constructor.
|
Modifier and Type | Method and Description |
---|---|
protected void |
doSetChild(CHILD oldChild,
CHILD newChild)
This method is called from
setChild(UiWidget) . |
CHILD |
getChild()
This method gets the single
child of this composite. |
CHILD |
getChild(int index)
This method gets the child at the given index.
|
int |
getChildCount()
This method gets the number of children in this composite.
|
int |
getChildIndex(UiWidget childWidget)
This method determines the index of the given
child in the list of children of this composite. |
protected void |
initializeWidgetAdapter(ADAPTER adapter)
This method is called from
AbstractUiWidgetNative.getWidgetAdapter() to initialize the UiWidgetAdapter . |
protected void |
onChildRemoved(CHILD oldChild) |
protected void |
onChildSet(CHILD newChild) |
protected void |
setChild(CHILD child) |
getChild
addChangeHandler, addStyle, clearMessages, clearValidity, createSize, createUniqueId, createWidgetAdapter, dispose, doGetValue, doSetMode, doSetValue, doValidate, getAriaRole, getAriaRoleFixedType, getId, getIndexOfStyle, getMode, getModeFixed, getParent, getPrimaryStyle, getSize, getStyles, getTooltip, getVisibleFlag, getWidgetAdapter, getWidgetAdapter, hasStyle, hasWidgetAdapter, isDisposed, isEnabled, isModifiedRecursive, isVisible, isVisibleRecursive, removeChangeHandler, removeFromParent, removeStyle, setAriaRole, setEnabled, setFocused, setId, setIdPrefix, setMode, setMode, setModeFixed, setModeRecursive, setParent, setPrimaryStyle, setStyles, setTooltip, setVisible, setVisible, toString, validateRecursive, visibilityChanged
addEventHandler, addValidator, clearMessagesLocal, clearValidationFailure, convertValueToString, fireEvent, fireValueChange, getBasicUtil, getContext, getDataBinding, getDataBinding, getDataBindingForWidget, getEventSender, getFactory, getLogger, getObserverSource, getOriginalValue, getRecentValue, getSource, getValueClass, getValueDirect, getValueOrException, getWidgetAdapter, hasEventSender, isMandatory, isModified, removeEventHandler, removeFromParent, removeValidator, setMandatory, setModified, setParent, setValue
addValidatorMandatory, createValidationFailure, getValue, getValueAndValidate, handleGetValueError, resetValue, setValue, setValueForUser, validate
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
getChild
getContext, getParent, getSize
clearMessages
addEventHandler, removeEventHandler
setMode
getMode
setModeFixed
getModeFixed
setId
getId
setTooltip
getTooltip
getVisibleFlag, isVisible, setVisible, setVisible
isVisibleRecursive
setEnabled
isEnabled
addStyle, removeStyle
hasStyle
setStyles
getStyles
setPrimaryStyle
getPrimaryStyle
dispose
isDisposed
isModified
getAriaRole
validate
resetValue, setValue, setValueForUser
getValue
private CHILD extends UiWidget child
getChild()
public AbstractUiWidgetSingleComposite(UiContext context, ADAPTER widgetAdapter)
context
- is the context
.widgetAdapter
- is the widget adapter
. Typically null
for
lazy initialization.protected void initializeWidgetAdapter(ADAPTER adapter)
AbstractUiWidgetNative.getWidgetAdapter()
to initialize the UiWidgetAdapter
. All
attributes of this widget need to be set in the UiWidgetAdapter
.initializeWidgetAdapter
in class AbstractUiWidgetNative<ADAPTER extends UiWidgetAdapterSingleComposite<CHILD>,Void>
adapter
- is the UiWidgetAdapter
to initialize.public final int getChildIndex(UiWidget childWidget)
child
in the list of children
of this composite. getChildIndex
in interface UiWidgetAbstractComposite
getChildIndex
in class AbstractUiWidgetComposite<ADAPTER extends UiWidgetAdapterSingleComposite<CHILD>,CHILD extends UiWidget>
childWidget
- is the potential child
.index
of the given child
or -1
if it is NOT
a child
of this composite.List.indexOf(Object)
public final CHILD getChild(int index)
getChild
in interface UiWidgetAbstractComposite
getChild
in interface UiWidgetComposite<CHILD extends UiWidget>
getChild
in class AbstractUiWidgetComposite<ADAPTER extends UiWidgetAdapterSingleComposite<CHILD>,CHILD extends UiWidget>
index
- is the index of the requested child. Has to be in the range from 0
to
UiWidgetAbstractComposite.getChildCount()
- 1
.List.get(int)
public final CHILD getChild()
child
of this composite.getChild
in interface UiWidgetSingleComposite<CHILD extends UiWidget>
null
if not set.protected void setChild(CHILD child)
child
- is the new child
.UiWidgetSingleMutableComposite.setChild(UiWidget)
protected void onChildRemoved(CHILD oldChild)
oldChild
- is the child that has just been removed.protected void onChildSet(CHILD newChild)
newChild
- is the child that has just been set.protected void doSetChild(CHILD oldChild, CHILD newChild)
setChild(UiWidget)
. It can be overridden to implement custom logic
(e.g. attaching the child to AbstractUiWidgetNative.getWidgetAdapter()
).public int getChildCount()
getChildCount
in interface UiWidgetAbstractComposite
getChildCount
in interface UiWidgetSingleComposite<CHILD extends UiWidget>
getChildCount
in class AbstractUiWidgetNative<ADAPTER extends UiWidgetAdapterSingleComposite<CHILD>,Void>
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