Class JTable.AccessibleJTable.AccessibleJTableCell

java.lang.Object

javax.accessibility.AccessibleContext

javax.swing.JTable.AccessibleJTable.AccessibleJTableCell

All Implemented Interfaces:

Accessible, AccessibleComponent

Enclosing class:

JTable.AccessibleJTable

protected class JTable.AccessibleJTable.AccessibleJTableCell
extends AccessibleContext
implements Accessible, AccessibleComponent

The class provides an implementation of the Java Accessibility API appropriate to table cells.

Since:

1.2

Field Summary

Fields declared in 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

Constructor Summary

Constructors

Constructor	Description
AccessibleJTableCell(JTable t, int r, int c, int i)	Constructs an AccessibleJTableHeaderEntry.

Method Summary

Modifier and Type	Method	Description
void	addFocusListener(FocusListener l)	Adds the specified focus listener to receive focus events from this component.
void	addPropertyChangeListener(PropertyChangeListener l)	Adds a PropertyChangeListener to the listener list.
boolean	contains(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.
AccessibleAction	getAccessibleAction()	Gets the AccessibleAction associated with this object if one exists.
Accessible	getAccessibleAt(Point p)	Returns the Accessible child, if one exists, contained at the local coordinate Point.
Accessible	getAccessibleChild(int i)	Returns the specified Accessible child of the object.
int	getAccessibleChildrenCount()	Returns the number of accessible children in the object.
AccessibleComponent	getAccessibleComponent()	Gets the AccessibleComponent associated with this object if one exists.
AccessibleContext	getAccessibleContext()	Gets the AccessibleContext associated with this component.
String	getAccessibleDescription()	Gets the accessible description of this object.
int	getAccessibleIndexInParent()	Gets the index of this object in its accessible parent.
String	getAccessibleName()	Gets the accessible name of this object.
Accessible	getAccessibleParent()	Gets the Accessible parent of this object.
AccessibleRole	getAccessibleRole()	Gets the role of this object.
AccessibleSelection	getAccessibleSelection()	Gets the AccessibleSelection associated with this object if one exists.
AccessibleStateSet	getAccessibleStateSet()	Gets the state set of this object.
AccessibleText	getAccessibleText()	Gets the AccessibleText associated with this object if one exists.
AccessibleValue	getAccessibleValue()	Gets the AccessibleValue associated with this object if one exists.
Color	getBackground()	Gets the background color of this object.
Rectangle	getBounds()	Gets the bounds of this object in the form of a Rectangle object.
protected AccessibleContext	getCurrentAccessibleContext()	Gets the AccessibleContext for the table cell renderer.
protected Component	getCurrentComponent()	Gets the table cell renderer component.
Cursor	getCursor()	Gets the Cursor of this object.
Font	getFont()	Gets the Font of this object.
FontMetrics	getFontMetrics(Font f)	Gets the FontMetrics of this object.
Color	getForeground()	Gets the foreground color of this object.
Locale	getLocale()	Gets the locale of the component.
Point	getLocation()	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.
Point	getLocationOnScreen()	Returns the location of the object on the screen.
Dimension	getSize()	Returns the size of this object in the form of a Dimension object.
boolean	isEnabled()	Determines if the object is enabled.
boolean	isFocusTraversable()	Returns whether this object can accept focus or not.
boolean	isShowing()	Determines if the object is showing.
boolean	isVisible()	Determines if this object is visible.
void	removeFocusListener(FocusListener l)	Removes the specified focus listener so it no longer receives focus events from this component.
void	removePropertyChangeListener(PropertyChangeListener l)	Removes a PropertyChangeListener from the listener list.
void	requestFocus()	Requests focus for this object.
void	setAccessibleDescription(String s)	Sets the accessible description of this object.
void	setAccessibleName(String s)	Sets the localized accessible name of this object.
void	setBackground(Color c)	Sets the background color of this object.
void	setBounds(Rectangle r)	Sets the bounds of this object in the form of a Rectangle object.
void	setCursor(Cursor c)	Sets the Cursor of this object.
void	setEnabled(boolean b)	Sets the enabled state of the object.
void	setFont(Font f)	Sets the Font of this object.
void	setForeground(Color c)	Sets the foreground color of this object.
void	setLocation(Point p)	Sets the location of the object relative to the parent.
void	setSize(Dimension d)	Resizes this object so that it has width and height.
void	setVisible(boolean b)	Sets the visible state of the object.

Methods declared in class javax.accessibility.AccessibleContext

firePropertyChange, getAccessibleEditableText, getAccessibleIcon, getAccessibleRelationSet, getAccessibleTable, setAccessibleParent

Methods declared in class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

AccessibleJTableCell

public AccessibleJTableCell(JTable t,
 int r,
 int c,
 int i)

Constructs an AccessibleJTableHeaderEntry.

Parameters:

t - a JTable

r - an int specifying a row

c - an int specifying a column

i - an int specifying the index to this cell

Since:

1.4

Method Details

getAccessibleContext

public AccessibleContext getAccessibleContext()

Gets the AccessibleContext associated with this component. In the implementation of the Java Accessibility API for this class, return this object, which is its own AccessibleContext.

Specified by:

getAccessibleContext in interface Accessible

Returns:

this object

getCurrentAccessibleContext

protected AccessibleContext getCurrentAccessibleContext()

Gets the AccessibleContext for the table cell renderer.

Returns:

the AccessibleContext for the table cell renderer if one exists; otherwise, returns null.

Since:

1.6

getCurrentComponent

protected Component getCurrentComponent()

Gets the table cell renderer component.

Returns:

the table cell renderer component if one exists; otherwise, returns null.

Since:

1.6

getAccessibleName

public String getAccessibleName()

Gets the accessible name of this object.

Overrides:

getAccessibleName in class AccessibleContext

Returns:

the localized name of the object; null if this object does not have a name

See Also:

• AccessibleContext.setAccessibleName(java.lang.String)

setAccessibleName

public void setAccessibleName(String s)

Sets the localized accessible name of this object.

Overrides:

setAccessibleName in class AccessibleContext

Parameters:

s - the new localized name of the object

See Also:

• AccessibleContext.getAccessibleName()
• AccessibleContext.addPropertyChangeListener(java.beans.PropertyChangeListener)

getAccessibleDescription

public String getAccessibleDescription()

Gets the accessible description of this object.

Overrides:

getAccessibleDescription in class AccessibleContext

Returns:

the localized description of the object; null if this object does not have a description

See Also:

• AccessibleContext.setAccessibleDescription(java.lang.String)

setAccessibleDescription

public void setAccessibleDescription(String s)

Sets the accessible description of this object.

Overrides:

setAccessibleDescription in class AccessibleContext

Parameters:

s - the new localized description of the object

See Also:

• AccessibleContext.setAccessibleName(java.lang.String)
• AccessibleContext.addPropertyChangeListener(java.beans.PropertyChangeListener)

getAccessibleRole

public AccessibleRole getAccessibleRole()

Gets the role of this object.

Specified by:

getAccessibleRole in class AccessibleContext

Returns:

an instance of AccessibleRole describing the role of the object

See Also:

• AccessibleRole

getAccessibleStateSet

public AccessibleStateSet getAccessibleStateSet()

Gets the state set of this object.

Specified by:

getAccessibleStateSet in class AccessibleContext

Returns:

an instance of AccessibleStateSet containing the current state set of the object

See Also:

• AccessibleState

getAccessibleParent

public Accessible getAccessibleParent()

Gets the Accessible parent of this object.

Overrides:

getAccessibleParent in class AccessibleContext

Returns:

the Accessible parent of this object; null if this object does not have an Accessible parent

getAccessibleIndexInParent

public int getAccessibleIndexInParent()

Gets the index of this object in its accessible parent.

Specified by:

getAccessibleIndexInParent in class AccessibleContext

Returns:

the index of this object in its parent; -1 if this object does not have an accessible parent

See Also:

• getAccessibleParent()

getAccessibleChildrenCount

public int getAccessibleChildrenCount()

Returns the number of accessible children in the object.

Specified by:

getAccessibleChildrenCount in class AccessibleContext

Returns:

the number of accessible children in the object

getAccessibleChild

public Accessible getAccessibleChild(int i)

Returns the specified Accessible child of the object.

Specified by:

getAccessibleChild in class AccessibleContext

Parameters:

i - zero-based index of child

Returns:

the Accessible child of the object

See Also:

• AccessibleContext.getAccessibleChildrenCount()

getLocale

public Locale getLocale()

Gets the locale of the component. If the component does not have a locale, then the locale of its parent is returned.

Specified by:

getLocale in class AccessibleContext

Returns:

this component's locale; if this component does not have a locale, the locale of its parent is returned

Throws:

IllegalComponentStateException - if the Component does not have its own locale and has not yet been added to a containment hierarchy such that the locale can be determined from the containing parent

See Also:

• Component.setLocale(java.util.Locale)

addPropertyChangeListener

public void addPropertyChangeListener(PropertyChangeListener l)

Adds a PropertyChangeListener to the listener list. The listener is registered for all properties.

Overrides:

addPropertyChangeListener in class AccessibleContext

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

removePropertyChangeListener

public void removePropertyChangeListener(PropertyChangeListener l)

Removes a PropertyChangeListener from the listener list. This removes a PropertyChangeListener that was registered for all properties.

Overrides:

removePropertyChangeListener in class AccessibleContext

Parameters:

l - the PropertyChangeListener to be removed

getAccessibleAction

public AccessibleAction getAccessibleAction()

Gets the AccessibleAction associated with this object if one exists. Otherwise returns null.

Overrides:

getAccessibleAction in class AccessibleContext

Returns:

the AccessibleAction, or null

See Also:

• AccessibleAction

getAccessibleComponent

public AccessibleComponent getAccessibleComponent()

Gets the AccessibleComponent associated with this object if one exists. Otherwise returns null.

Overrides:

getAccessibleComponent in class AccessibleContext

Returns:

the AccessibleComponent, or null

See Also:

• AccessibleComponent

getAccessibleSelection

public AccessibleSelection getAccessibleSelection()

Gets the AccessibleSelection associated with this object if one exists. Otherwise returns null.

Overrides:

getAccessibleSelection in class AccessibleContext

Returns:

the AccessibleSelection, or null

See Also:

• AccessibleSelection

getAccessibleText

public AccessibleText getAccessibleText()

Gets the AccessibleText associated with this object if one exists. Otherwise returns null.

Overrides:

getAccessibleText in class AccessibleContext

Returns:

the AccessibleText, or null

See Also:

• AccessibleText

getAccessibleValue

public AccessibleValue getAccessibleValue()

Gets the AccessibleValue associated with this object if one exists. Otherwise returns null.

Overrides:

getAccessibleValue in class AccessibleContext

Returns:

the AccessibleValue, or null

See Also:

• AccessibleValue

getBackground

public Color getBackground()

Gets the background color of this object.

Specified by:

getBackground in interface AccessibleComponent

Returns:

the background color, if supported, of the object; otherwise, null

See Also:

• AccessibleComponent.setBackground(java.awt.Color)

setBackground

public void setBackground(Color c)

Sets the background color of this object.

Specified by:

setBackground in interface AccessibleComponent

Parameters:

c - the new Color for the background

See Also:

• AccessibleComponent.getBackground()

getForeground

public Color getForeground()

Gets the foreground color of this object.

Specified by:

getForeground in interface AccessibleComponent

Returns:

the foreground color, if supported, of the object; otherwise, null

See Also:

• AccessibleComponent.setForeground(java.awt.Color)

setForeground

public void setForeground(Color c)

Sets the foreground color of this object.

Specified by:

setForeground in interface AccessibleComponent

Parameters:

c - the new Color for the foreground

See Also:

• AccessibleComponent.getForeground()

getCursor

public Cursor getCursor()

Gets the Cursor of this object.

Specified by:

getCursor in interface AccessibleComponent

Returns:

the Cursor, if supported, of the object; otherwise, null

See Also:

• AccessibleComponent.setCursor(java.awt.Cursor)

setCursor

public void setCursor(Cursor c)

Sets the Cursor of this object.

Specified by:

setCursor in interface AccessibleComponent

Parameters:

c - the new Cursor for the object

See Also:

• AccessibleComponent.getCursor()

getFont

public Font getFont()

Gets the Font of this object.

Specified by:

getFont in interface AccessibleComponent

Returns:

the Font,if supported, for the object; otherwise, null

See Also:

• AccessibleComponent.setFont(java.awt.Font)

setFont

public void setFont(Font f)

Sets the Font of this object.

Specified by:

setFont in interface AccessibleComponent

Parameters:

f - the new Font for the object

See Also:

• AccessibleComponent.getFont()

getFontMetrics

public FontMetrics getFontMetrics(Font f)

Gets the FontMetrics of this object.

Specified by:

getFontMetrics in interface AccessibleComponent

Parameters:

f - the Font

Returns:

the FontMetrics object, if supported; otherwise null

See Also:

• getFont()

isEnabled

public boolean isEnabled()

Determines if the object is enabled.

Specified by:

isEnabled in interface AccessibleComponent

Returns:

true if object is enabled; otherwise, false

See Also:

• AccessibleComponent.setEnabled(boolean)
• AccessibleContext.getAccessibleStateSet()
• AccessibleState.ENABLED
• AccessibleStateSet

setEnabled

public void setEnabled(boolean b)

Sets the enabled state of the object.

Specified by:

setEnabled in interface AccessibleComponent

Parameters:

b - if true, enables this object; otherwise, disables it

See Also:

• AccessibleComponent.isEnabled()

isVisible

public boolean isVisible()

Determines if this object is visible. Note: this means that the object intends to be visible; however, it may not in fact be showing on the screen because one of the objects that this object is contained by is not visible. To determine if an object is showing on the screen, use isShowing.

Specified by:

isVisible in interface AccessibleComponent

Returns:

true if object is visible; otherwise, false

See Also:

• AccessibleComponent.setVisible(boolean)
• AccessibleContext.getAccessibleStateSet()
• AccessibleState.VISIBLE
• AccessibleStateSet

setVisible

public void setVisible(boolean b)

Sets the visible state of the object.

Specified by:

setVisible in interface AccessibleComponent

Parameters:

b - if true, shows this object; otherwise, hides it

See Also:

• AccessibleComponent.isVisible()

isShowing

public boolean isShowing()

Determines if the object is showing. This is determined by checking the visibility of the object and ancestors of the object. Note: this will return true even if the object is obscured by another (for example, it happens to be underneath a menu that was pulled down).

Specified by:

isShowing in interface AccessibleComponent

Returns:

true if the object is showing; otherwise, false

contains

public boolean contains(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.

Specified by:

contains in interface AccessibleComponent

Parameters:

p - the Point relative to the coordinate system of the object

Returns:

true if object contains Point; otherwise false

See Also:

• AccessibleComponent.getBounds()

getLocationOnScreen

public Point getLocationOnScreen()

Returns the location of the object on the screen.

Specified by:

getLocationOnScreen in interface AccessibleComponent

Returns:

location of object on screen -- can be null if this object is not on the screen

See Also:

• AccessibleComponent.getBounds()
• AccessibleComponent.getLocation()

getLocation

public Point getLocation()

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.

Specified by:

getLocation in interface AccessibleComponent

Returns:

an instance of Point representing the top-left corner of the object's bounds in the coordinate space of the screen; null if this object or its parent are not on the screen

See Also:

• AccessibleComponent.getBounds()
• AccessibleComponent.getLocationOnScreen()

setLocation

public void setLocation(Point p)

Sets the location of the object relative to the parent.

Specified by:

setLocation in interface AccessibleComponent

Parameters:

p - the new position for the top-left corner

See Also:

• AccessibleComponent.getLocation()

getBounds

public Rectangle getBounds()

Description copied from interface: AccessibleComponent

Gets the bounds of this object in the form of a Rectangle object. The bounds specify this object's width, height, and location relative to its parent.

Specified by:

getBounds in interface AccessibleComponent

Returns:

A rectangle indicating this component's bounds; null if this object is not on the screen.

See Also:

• AccessibleComponent.contains(java.awt.Point)

setBounds

public void setBounds(Rectangle r)

Description copied from interface: AccessibleComponent

Sets the bounds of this object in the form of a Rectangle object. The bounds specify this object's width, height, and location relative to its parent.

Specified by:

setBounds in interface AccessibleComponent

Parameters:

r - rectangle indicating this component's bounds

See Also:

• AccessibleComponent.getBounds()

getSize

public Dimension getSize()

Description copied from interface: AccessibleComponent

Returns the size of this object in the form of a Dimension object. The height field of the Dimension object contains this object's height, and the width field of the Dimension object contains this object's width.

Specified by:

getSize in interface AccessibleComponent

Returns:

A Dimension object that indicates the size of this component; null if this object is not on the screen

See Also:

• AccessibleComponent.setSize(java.awt.Dimension)

setSize

public void setSize(Dimension d)

Description copied from interface: AccessibleComponent

Resizes this object so that it has width and height.

Specified by:

setSize in interface AccessibleComponent

Parameters:

d - The dimension specifying the new size of the object

See Also:

• AccessibleComponent.getSize()

getAccessibleAt

public Accessible getAccessibleAt(Point p)

Description copied from interface: AccessibleComponent

Returns the Accessible child, if one exists, contained at the local coordinate Point.

Specified by:

getAccessibleAt in interface AccessibleComponent

Parameters:

p - The point relative to the coordinate system of this object

Returns:

the Accessible, if it exists, at the specified location; otherwise null

isFocusTraversable

public boolean isFocusTraversable()

Description copied from interface: AccessibleComponent

Returns whether this object can accept focus or not. Objects that can accept focus will also have the AccessibleState.FOCUSABLE state set in their AccessibleStateSets.

Specified by:

isFocusTraversable in interface AccessibleComponent

Returns:

true if object can accept focus; otherwise false

See Also:

• AccessibleContext.getAccessibleStateSet()
• AccessibleState.FOCUSABLE
• AccessibleState.FOCUSED
• AccessibleStateSet

requestFocus

public void requestFocus()

Description copied from interface: AccessibleComponent

Requests focus for this object. If this object cannot accept focus, nothing will happen. Otherwise, the object will attempt to take focus.

Specified by:

requestFocus in interface AccessibleComponent

See Also:

• AccessibleComponent.isFocusTraversable()

addFocusListener

public void addFocusListener(FocusListener l)

Description copied from interface: AccessibleComponent

Adds the specified focus listener to receive focus events from this component.

Specified by:

addFocusListener in interface AccessibleComponent

Parameters:

l - the focus listener

See Also:

• AccessibleComponent.removeFocusListener(java.awt.event.FocusListener)

removeFocusListener

public void removeFocusListener(FocusListener l)

Description copied from interface: AccessibleComponent

Removes the specified focus listener so it no longer receives focus events from this component.

Specified by:

removeFocusListener in interface AccessibleComponent

Parameters:

l - the focus listener

See Also:

• AccessibleComponent.addFocusListener(java.awt.event.FocusListener)