- java.lang.Object
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- javax.accessibility.AccessibleContext
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- javax.swing.JList.AccessibleJList.AccessibleJListChild
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- All Implemented Interfaces:
Accessible,AccessibleAction,AccessibleComponent
- Enclosing class:
- JList.AccessibleJList
protected class JList.AccessibleJList.AccessibleJListChild extends AccessibleContext implements Accessible, AccessibleComponent, AccessibleAction
This class implements accessibility support appropriate for list children.
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Field Summary
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Fields inherited from interface javax.accessibility.AccessibleAction
CLICK, DECREMENT, INCREMENT, TOGGLE_EXPAND, TOGGLE_POPUP
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Fields inherited from class javax.accessibility.AccessibleContext
ACCESSIBLE_ACTION_PROPERTY, ACCESSIBLE_ACTIVE_DESCENDANT_PROPERTY, ACCESSIBLE_CARET_PROPERTY, ACCESSIBLE_CHILD_PROPERTY, ACCESSIBLE_COMPONENT_BOUNDS_CHANGED, ACCESSIBLE_DESCRIPTION_PROPERTY, ACCESSIBLE_HYPERTEXT_OFFSET, ACCESSIBLE_INVALIDATE_CHILDREN, ACCESSIBLE_NAME_PROPERTY, ACCESSIBLE_SELECTION_PROPERTY, ACCESSIBLE_STATE_PROPERTY, ACCESSIBLE_TABLE_CAPTION_CHANGED, ACCESSIBLE_TABLE_COLUMN_DESCRIPTION_CHANGED, ACCESSIBLE_TABLE_COLUMN_HEADER_CHANGED, ACCESSIBLE_TABLE_MODEL_CHANGED, ACCESSIBLE_TABLE_ROW_DESCRIPTION_CHANGED, ACCESSIBLE_TABLE_ROW_HEADER_CHANGED, ACCESSIBLE_TABLE_SUMMARY_CHANGED, ACCESSIBLE_TEXT_ATTRIBUTES_CHANGED, ACCESSIBLE_TEXT_PROPERTY, ACCESSIBLE_VALUE_PROPERTY, ACCESSIBLE_VISIBLE_DATA_PROPERTY, accessibleDescription, accessibleName, accessibleParent
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Constructor Summary
Constructors Constructor Description AccessibleJListChild(JList<E> parent, int indexInParent)Constructs anAccessibleJListChild.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidaddFocusListener(FocusListener l)Adds the specified focus listener to receive focus events from this component.voidaddPropertyChangeListener(PropertyChangeListener l)Adds aPropertyChangeListenerto the listener list.booleancontains(Point p)Checks whether the specified point is within this object's bounds, where the point's x and y coordinates are defined to be relative to the coordinate system of the object.booleandoAccessibleAction(int i)Performs the specified action on the object.AccessibleActiongetAccessibleAction()Gets theAccessibleActionassociated with this object that supports one or more actions.intgetAccessibleActionCount()Returns the number of accessible actions available in this object If there are more than one, the first one is considered the "default" action of the object.StringgetAccessibleActionDescription(int i)Returns a description of the specified action of the object.AccessiblegetAccessibleAt(Point p)Returns theAccessiblechild, if one exists, contained at the local coordinatePoint.AccessiblegetAccessibleChild(int i)Returns the specifiedAccessiblechild of the object.intgetAccessibleChildrenCount()Returns the number of accessible children of the object.AccessibleComponentgetAccessibleComponent()Get the AccessibleComponent associated with this object.AccessibleContextgetAccessibleContext()Get the AccessibleContext for this object.StringgetAccessibleDescription()Gets theaccessibleDescriptionproperty of this object.AccessibleIcon[]getAccessibleIcon()Returns the icon for the element renderer, as the only item of an array ofAccessibleIcons or anullarray if the renderer component contains no icons.intgetAccessibleIndexInParent()Gets the 0-based index of this object in its accessible parent.StringgetAccessibleName()Gets theaccessibleNameproperty of this object.AccessibleRolegetAccessibleRole()Gets the role of this object.AccessibleSelectiongetAccessibleSelection()Gets theAccessibleSelectionassociated with this object which allows itsAccessiblechildren to be selected.AccessibleStateSetgetAccessibleStateSet()Gets the state set of this object.AccessibleTextgetAccessibleText()Gets theAccessibleTextassociated with this object presenting text on the display.AccessibleValuegetAccessibleValue()Gets theAccessibleValueassociated with this object that supports aNumericalvalue.ColorgetBackground()Gets the background color of this object.RectanglegetBounds()Gets the bounds of this object in the form of aRectangleobject.CursorgetCursor()Gets the cursor of this object.FontgetFont()Gets the font of this object.FontMetricsgetFontMetrics(Font f)Gets theFontMetricsof this object.ColorgetForeground()Gets the foreground color of this object.LocalegetLocale()Gets the locale of the component.PointgetLocation()Gets the location of the object relative to the parent in the form of a point specifying the object's top-left corner in the screen's coordinate space.PointgetLocationOnScreen()Returns the location of the object on the screen.DimensiongetSize()Returns the size of this object in the form of aDimensionobject.booleanisEnabled()Determines if the object is enabled.booleanisFocusTraversable()Returns whether this object can accept focus or not.booleanisShowing()Determines if the object is showing.booleanisVisible()Determines if the object is visible.voidremoveFocusListener(FocusListener l)Removes the specified focus listener so it no longer receives focus events from this component.voidremovePropertyChangeListener(PropertyChangeListener l)Removes aPropertyChangeListenerfrom the listener list.voidrequestFocus()Requests focus for this object.voidsetAccessibleDescription(String s)Sets the accessible description of this object.voidsetAccessibleName(String s)Sets the localized accessible name of this object.voidsetBackground(Color c)Sets the background color of this object.voidsetBounds(Rectangle r)Sets the bounds of this object in the form of aRectangleobject.voidsetCursor(Cursor c)Sets the cursor of this object.voidsetEnabled(boolean b)Sets the enabled state of the object.voidsetFont(Font f)Sets the font of this object.voidsetForeground(Color c)Sets the foreground color of this object.voidsetLocation(Point p)Sets the location of the object relative to the parent.voidsetSize(Dimension d)Resizes this object so that it has width and height.voidsetVisible(boolean b)Sets the visible state of the object.-
Methods inherited from class javax.accessibility.AccessibleContext
firePropertyChange, getAccessibleEditableText, getAccessibleParent, getAccessibleRelationSet, getAccessibleTable, setAccessibleParent
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Method Detail
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getAccessibleContext
public AccessibleContext getAccessibleContext()
Get the AccessibleContext for this object. In the implementation of the Java Accessibility API for this class, returns this object, which is its own AccessibleContext.- Specified by:
getAccessibleContextin interfaceAccessible- Returns:
- this object
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getAccessibleName
public String getAccessibleName()
Description copied from class:AccessibleContextGets theaccessibleNameproperty of this object. TheaccessibleNameproperty of an object is a localizedStringthat designates the purpose of the object. For example, theaccessibleNameproperty of a label or button might be the text of the label or button itself. In the case of an object that doesn't display its name, theaccessibleNameshould still be set. For example, in the case of a text field used to enter the name of a city, theaccessibleNamefor theen_USlocale could be 'city.'- Overrides:
getAccessibleNamein classAccessibleContext- Returns:
- the localized name of the object;
nullif this object does not have a name - See Also:
AccessibleContext.setAccessibleName(java.lang.String)
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setAccessibleName
public void setAccessibleName(String s)
Description copied from class:AccessibleContextSets the localized accessible name of this object. Changing the name will cause aPropertyChangeEventto be fired for theACCESSIBLE_NAME_PROPERTYproperty.- Overrides:
setAccessibleNamein classAccessibleContext- Parameters:
s- the new localized name of the object- See Also:
AccessibleContext.getAccessibleName(),AccessibleContext.addPropertyChangeListener(java.beans.PropertyChangeListener)
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getAccessibleDescription
public String getAccessibleDescription()
Description copied from class:AccessibleContextGets theaccessibleDescriptionproperty of this object. TheaccessibleDescriptionproperty of this object is a short localized phrase describing the purpose of the object. For example, in the case of a 'Cancel' button, theaccessibleDescriptioncould be 'Ignore changes and close dialog box.'- Overrides:
getAccessibleDescriptionin classAccessibleContext- Returns:
- the localized description of the object;
nullif this object does not have a description - See Also:
AccessibleContext.setAccessibleDescription(java.lang.String)
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setAccessibleDescription
public void setAccessibleDescription(String s)
Description copied from class:AccessibleContextSets the accessible description of this object. Changing the name will cause aPropertyChangeEventto be fired for theACCESSIBLE_DESCRIPTION_PROPERTYproperty.- Overrides:
setAccessibleDescriptionin classAccessibleContext- Parameters:
s- the new localized description of the object- See Also:
AccessibleContext.setAccessibleName(java.lang.String),AccessibleContext.addPropertyChangeListener(java.beans.PropertyChangeListener)
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getAccessibleRole
public AccessibleRole getAccessibleRole()
Description copied from class:AccessibleContextGets the role of this object. The role of the object is the generic purpose or use of the class of this object. For example, the role of a push button isAccessibleRole.PUSH_BUTTON. The roles inAccessibleRoleare provided so component developers can pick from a set of predefined roles. This enables assistive technologies to provide a consistent interface to various tweaked subclasses of components (e.g., useAccessibleRole.PUSH_BUTTONfor all components that act like a push button) as well as distinguish between subclasses that behave differently (e.g.,AccessibleRole.CHECK_BOXfor check boxes andAccessibleRole.RADIO_BUTTONfor radio buttons).Note that the
AccessibleRoleclass is also extensible, so custom component developers can define their ownAccessibleRole's if the set of predefined roles is inadequate.- Specified by:
getAccessibleRolein classAccessibleContext- Returns:
- an instance of
AccessibleRoledescribing the role of the object - See Also:
AccessibleRole
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getAccessibleStateSet
public AccessibleStateSet getAccessibleStateSet()
Description copied from class:AccessibleContextGets the state set of this object. TheAccessibleStateSetof an object is composed of a set of uniqueAccessibleStates. A change in theAccessibleStateSetof an object will cause aPropertyChangeEventto be fired for theACCESSIBLE_STATE_PROPERTYproperty.- Specified by:
getAccessibleStateSetin classAccessibleContext- Returns:
- an instance of
AccessibleStateSetcontaining the current state set of the object - See Also:
AccessibleStateSet,AccessibleState,AccessibleContext.addPropertyChangeListener(java.beans.PropertyChangeListener)
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getAccessibleIndexInParent
public int getAccessibleIndexInParent()
Description copied from class:AccessibleContextGets the 0-based index of this object in its accessible parent.- Specified by:
getAccessibleIndexInParentin classAccessibleContext- Returns:
- the 0-based index of this object in its parent; -1 if this object does not have an accessible parent.
- See Also:
AccessibleContext.getAccessibleParent(),AccessibleContext.getAccessibleChildrenCount(),AccessibleContext.getAccessibleChild(int)
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getAccessibleChildrenCount
public int getAccessibleChildrenCount()
Description copied from class:AccessibleContextReturns the number of accessible children of the object.- Specified by:
getAccessibleChildrenCountin classAccessibleContext- Returns:
- the number of accessible children of the object.
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getAccessibleChild
public Accessible getAccessibleChild(int i)
Description copied from class:AccessibleContextReturns the specifiedAccessiblechild of the object. TheAccessiblechildren of anAccessibleobject are zero-based, so the first child of anAccessiblechild is at index 0, the second child is at index 1, and so on.- Specified by:
getAccessibleChildin classAccessibleContext- Parameters:
i- zero-based index of child- Returns:
- the
Accessiblechild of the object - See Also:
AccessibleContext.getAccessibleChildrenCount()
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getLocale
public Locale getLocale()
Description copied from class:AccessibleContextGets the locale of the component. If the component does not have a locale, then the locale of its parent is returned.- Specified by:
getLocalein classAccessibleContext- Returns:
- this component's locale. If this component does not have a locale, the locale of its parent is returned.
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addPropertyChangeListener
public void addPropertyChangeListener(PropertyChangeListener l)
Description copied from class:AccessibleContextAdds aPropertyChangeListenerto the listener list. The listener is registered for allAccessibleproperties and will be called when those properties change.- Overrides:
addPropertyChangeListenerin classAccessibleContext- Parameters:
l- The PropertyChangeListener to be added- See Also:
AccessibleContext.ACCESSIBLE_NAME_PROPERTY,AccessibleContext.ACCESSIBLE_DESCRIPTION_PROPERTY,AccessibleContext.ACCESSIBLE_STATE_PROPERTY,AccessibleContext.ACCESSIBLE_VALUE_PROPERTY,AccessibleContext.ACCESSIBLE_SELECTION_PROPERTY,AccessibleContext.ACCESSIBLE_TEXT_PROPERTY,AccessibleContext.ACCESSIBLE_VISIBLE_DATA_PROPERTY
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removePropertyChangeListener
public void removePropertyChangeListener(PropertyChangeListener l)
Description copied from class:AccessibleContextRemoves aPropertyChangeListenerfrom the listener list. This removes aPropertyChangeListenerthat was registered for all properties.- Overrides:
removePropertyChangeListenerin classAccessibleContext- Parameters:
l- The PropertyChangeListener to be removed
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getAccessibleComponent
public AccessibleComponent getAccessibleComponent()
Get the AccessibleComponent associated with this object. In the implementation of the Java Accessibility API for this class, return this object, which is responsible for implementing the AccessibleComponent interface on behalf of itself.- Overrides:
getAccessibleComponentin classAccessibleContext- Returns:
- this object
- See Also:
AccessibleComponent
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getAccessibleSelection
public AccessibleSelection getAccessibleSelection()
Description copied from class:AccessibleContextGets theAccessibleSelectionassociated with this object which allows itsAccessiblechildren to be selected.- Overrides:
getAccessibleSelectionin classAccessibleContext- Returns:
AccessibleSelectionif supported by object; else returnnull- See Also:
AccessibleSelection
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getAccessibleText
public AccessibleText getAccessibleText()
Description copied from class:AccessibleContextGets theAccessibleTextassociated with this object presenting text on the display.- Overrides:
getAccessibleTextin classAccessibleContext- Returns:
AccessibleTextif supported by object; else returnnull- See Also:
AccessibleText
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getAccessibleValue
public AccessibleValue getAccessibleValue()
Description copied from class:AccessibleContextGets theAccessibleValueassociated with this object that supports aNumericalvalue.- Overrides:
getAccessibleValuein classAccessibleContext- Returns:
AccessibleValueif supported by object; else returnnull- See Also:
AccessibleValue
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getBackground
public Color getBackground()
Description copied from interface:AccessibleComponentGets the background color of this object.- Specified by:
getBackgroundin interfaceAccessibleComponent- Returns:
- the background color, if supported, of the object; otherwise,
null - See Also:
AccessibleComponent.setBackground(java.awt.Color)
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setBackground
public void setBackground(Color c)
Description copied from interface:AccessibleComponentSets the background color of this object.- Specified by:
setBackgroundin interfaceAccessibleComponent- Parameters:
c- the new color for the background- See Also:
AccessibleComponent.setBackground(java.awt.Color)
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getForeground
public Color getForeground()
Description copied from interface:AccessibleComponentGets the foreground color of this object.- Specified by:
getForegroundin interfaceAccessibleComponent- Returns:
- the foreground color, if supported, of the object; otherwise,
null - See Also:
AccessibleComponent.setForeground(java.awt.Color)
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setForeground
public void setForeground(Color c)
Description copied from interface:AccessibleComponentSets the foreground color of this object.- Specified by:
setForegroundin interfaceAccessibleComponent- Parameters:
c- the new color for the foreground- See Also:
AccessibleComponent.getForeground()
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getCursor
public Cursor getCursor()
Description copied from interface:AccessibleComponentGets the cursor of this object.- Specified by:
getCursorin interfaceAccessibleComponent- Returns:
- the cursor, if supported, of the object; otherwise,
null - See Also:
AccessibleComponent.setCursor(java.awt.Cursor)
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setCursor
public void setCursor(Cursor c)
Description copied from interface:AccessibleComponentSets the cursor of this object.- Specified by:
setCursorin interfaceAccessibleComponent- Parameters:
c- the new cursor for the object- See Also:
AccessibleComponent.getCursor()
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getFont
public Font getFont()
Description copied from interface:AccessibleComponentGets the font of this object.- Specified by:
getFontin interfaceAccessibleComponent- Returns:
- the font, if supported, for the object; otherwise,
null - See Also:
AccessibleComponent.setFont(java.awt.Font)
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setFont
public void setFont(Font f)
Description copied from interface:AccessibleComponentSets the font of this object.- Specified by:
setFontin interfaceAccessibleComponent- Parameters:
f- the new font for the object- See Also:
AccessibleComponent.getFont()
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getFontMetrics
public FontMetrics getFontMetrics(Font f)
Description copied from interface:AccessibleComponentGets theFontMetricsof this object.- Specified by:
getFontMetricsin interfaceAccessibleComponent- Parameters:
f- the font for which font metrics is to be obtained- Returns:
- the
FontMetrics, if supported, the object; otherwise,null - See Also:
AccessibleComponent.getFont()
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isEnabled
public boolean isEnabled()
Description copied from interface:AccessibleComponentDetermines if the object is enabled. Objects that are enabled will also have theAccessibleState.ENABLEDstate set in theirAccessibleStateSets.- Specified by:
isEnabledin interfaceAccessibleComponent- Returns:
trueif object is enabled; otherwise,false- See Also:
AccessibleComponent.setEnabled(boolean),AccessibleContext.getAccessibleStateSet(),AccessibleState.ENABLED,AccessibleStateSet
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setEnabled
public void setEnabled(boolean b)
Description copied from interface:AccessibleComponentSets the enabled state of the object.- Specified by:
setEnabledin interfaceAccessibleComponent- Parameters:
b- iftrue, enables this object; otherwise, disables it- See Also:
AccessibleComponent.isEnabled()
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isVisible
public boolean isVisible()
Description copied from interface:AccessibleComponentDetermines if the object is visible. Note: this means that the object intends to be visible; however, it may not be showing on the screen because one of the objects that this object is contained by is currently not visible. To determine if an object is showing on the screen, useAccessibleComponent.isShowing()Objects that are visible will also have the
AccessibleState.VISIBLEstate set in theirAccessibleStateSets.- Specified by:
isVisiblein interfaceAccessibleComponent- Returns:
trueif object is visible; otherwise,false- See Also:
AccessibleComponent.setVisible(boolean),AccessibleContext.getAccessibleStateSet(),AccessibleState.VISIBLE,AccessibleStateSet
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setVisible
public void setVisible(boolean b)
Description copied from interface:AccessibleComponentSets the visible state of the object.- Specified by:
setVisiblein interfaceAccessibleComponent- Parameters:
b- iftrue, shows this object; otherwise, hides it- See Also:
AccessibleComponent.isVisible()
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isShowing
public boolean isShowing()
Description copied from interface:AccessibleComponentDetermines if the object is showing. This is determined by checking the visibility of the object and its ancestors. Note: this will returntrueeven if the object is obscured by another (for example, it is underneath a menu that was pulled down).- Specified by:
isShowingin interfaceAccessibleComponent- Returns:
trueif object is showing; otherwise,false
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contains
public boolean contains(Point p)
Description copied from interface:AccessibleComponentChecks whether the specified point is within this object's bounds, where the point's x and y coordinates are defined to be relative to the coordinate system of the object.- Specified by:
containsin interfaceAccessibleComponent- Parameters:
p- the point relative to the coordinate system of the object- Returns:
trueif object contains point; otherwisefalse- See Also:
AccessibleComponent.getBounds()
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getLocationOnScreen
public Point getLocationOnScreen()
Description copied from interface:AccessibleComponentReturns the location of the object on the screen.- Specified by:
getLocationOnScreenin interfaceAccessibleComponent- Returns:
- the location of the object on screen;
nullif this object is not on the screen - See Also:
AccessibleComponent.getBounds(),AccessibleComponent.getLocation()
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getLocation
public Point getLocation()
Description copied from interface:AccessibleComponentGets the location of the object relative to the parent in the form of a point specifying the object's top-left corner in the screen's coordinate space.- Specified by:
getLocationin interfaceAccessibleComponent- Returns:
- An instance of
Pointrepresenting the top-left corner of the object's bounds in the coordinate space of the screen;nullif this object or its parent are not on the screen - See Also:
AccessibleComponent.getBounds(),AccessibleComponent.getLocationOnScreen()
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setLocation
public void setLocation(Point p)
Description copied from interface:AccessibleComponentSets the location of the object relative to the parent.- Specified by:
setLocationin interfaceAccessibleComponent- Parameters:
p- the new position for the top-left corner- See Also:
AccessibleComponent.getLocation()
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getBounds
public Rectangle getBounds()
Description copied from interface:AccessibleComponentGets the bounds of this object in the form of aRectangleobject. The bounds specify this object's width, height, and location relative to its parent.- Specified by:
getBoundsin interfaceAccessibleComponent- Returns:
- A rectangle indicating this component's bounds;
nullif this object is not on the screen. - See Also:
AccessibleComponent.contains(java.awt.Point)
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setBounds
public void setBounds(Rectangle r)
Description copied from interface:AccessibleComponentSets the bounds of this object in the form of aRectangleobject. The bounds specify this object's width, height, and location relative to its parent.- Specified by:
setBoundsin interfaceAccessibleComponent- Parameters:
r- rectangle indicating this component's bounds- See Also:
AccessibleComponent.getBounds()
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getSize
public Dimension getSize()
Description copied from interface:AccessibleComponentReturns the size of this object in the form of aDimensionobject. Theheightfield of theDimensionobject contains this object's height, and thewidthfield of theDimensionobject contains this object's width.- Specified by:
getSizein interfaceAccessibleComponent- Returns:
- A
Dimensionobject that indicates the size of this component;nullif this object is not on the screen - See Also:
AccessibleComponent.setSize(java.awt.Dimension)
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setSize
public void setSize(Dimension d)
Description copied from interface:AccessibleComponentResizes this object so that it has width and height.- Specified by:
setSizein interfaceAccessibleComponent- Parameters:
d- The dimension specifying the new size of the object- See Also:
AccessibleComponent.getSize()
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getAccessibleAt
public Accessible getAccessibleAt(Point p)
Description copied from interface:AccessibleComponentReturns theAccessiblechild, if one exists, contained at the local coordinatePoint.- Specified by:
getAccessibleAtin interfaceAccessibleComponent- Parameters:
p- The point relative to the coordinate system of this object- Returns:
- the
Accessible, if it exists, at the specified location; otherwisenull
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isFocusTraversable
public boolean isFocusTraversable()
Description copied from interface:AccessibleComponentReturns whether this object can accept focus or not. Objects that can accept focus will also have theAccessibleState.FOCUSABLEstate set in theirAccessibleStateSets.- Specified by:
isFocusTraversablein interfaceAccessibleComponent- Returns:
trueif object can accept focus; otherwisefalse- See Also:
AccessibleContext.getAccessibleStateSet(),AccessibleState.FOCUSABLE,AccessibleState.FOCUSED,AccessibleStateSet
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requestFocus
public void requestFocus()
Description copied from interface:AccessibleComponentRequests focus for this object. If this object cannot accept focus, nothing will happen. Otherwise, the object will attempt to take focus.- Specified by:
requestFocusin interfaceAccessibleComponent- See Also:
AccessibleComponent.isFocusTraversable()
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addFocusListener
public void addFocusListener(FocusListener l)
Description copied from interface:AccessibleComponentAdds the specified focus listener to receive focus events from this component.- Specified by:
addFocusListenerin interfaceAccessibleComponent- Parameters:
l- the focus listener- See Also:
AccessibleComponent.removeFocusListener(java.awt.event.FocusListener)
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removeFocusListener
public void removeFocusListener(FocusListener l)
Description copied from interface:AccessibleComponentRemoves the specified focus listener so it no longer receives focus events from this component.- Specified by:
removeFocusListenerin interfaceAccessibleComponent- Parameters:
l- the focus listener- See Also:
AccessibleComponent.addFocusListener(java.awt.event.FocusListener)
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getAccessibleIcon
public AccessibleIcon[] getAccessibleIcon()
Returns the icon for the element renderer, as the only item of an array ofAccessibleIcons or anullarray if the renderer component contains no icons.- Overrides:
getAccessibleIconin classAccessibleContext- Returns:
- an array containing the accessible icon
or a
nullarray if none - Since:
- 1.3
- See Also:
AccessibleIcon
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getAccessibleAction
public AccessibleAction getAccessibleAction()
Gets theAccessibleActionassociated with this object that supports one or more actions.- Overrides:
getAccessibleActionin classAccessibleContext- Implementation Requirements:
- Returns the AccessibleAction for this AccessibleJListChild as follows: First getListCellRendererComponent of the ListCellRenderer for the component at the "index in parent" of this child is called. Then its AccessibleContext is fetched and that AccessibleContext's AccessibleAction is returned. Note that if an AccessibleAction is not found using this process then this object with its implementation of the AccessibleAction interface is returned.
- Returns:
AccessibleActionif supported by object; else returnnull- Since:
- 9
- See Also:
AccessibleAction
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doAccessibleAction
public boolean doAccessibleAction(int i)
Performs the specified action on the object.- Specified by:
doAccessibleActionin interfaceAccessibleAction- Implementation Requirements:
- If i == 0 selects this AccessibleJListChild by calling JList.this.setSelectedIndex(indexInParent) and then returns true; otherwise returns false.
- Parameters:
i- zero-based index of actions- Returns:
trueif the action was performed; otherwisefalse- Since:
- 9
- See Also:
AccessibleAction.getAccessibleActionCount()
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getAccessibleActionDescription
public String getAccessibleActionDescription(int i)
Returns a description of the specified action of the object.- Specified by:
getAccessibleActionDescriptionin interfaceAccessibleAction- Implementation Requirements:
- If i == 0 returns the action description fetched from UIManager.getString("AbstractButton.clickText"); otherwise returns null.
- Parameters:
i- zero-based index of the actions- Returns:
- a
Stringdescription of the action - Since:
- 9
- See Also:
AccessibleAction.getAccessibleActionCount()
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getAccessibleActionCount
public int getAccessibleActionCount()
Returns the number of accessible actions available in this object If there are more than one, the first one is considered the "default" action of the object.- Specified by:
getAccessibleActionCountin interfaceAccessibleAction- Implementation Requirements:
- Returns 1, i.e. there is only one action.
- Returns:
- the zero-based number of actions in this object
- Since:
- 9
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