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.
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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
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Constructor Summary
ConstructorDescriptionAccessibleJTableCell
(JTable t, int r, int c, int i) Constructs anAccessibleJTableHeaderEntry
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Method Summary
Modifier and TypeMethodDescriptionvoid
Adds the specified focus listener to receive focus events from this component.void
Adds aPropertyChangeListener
to the listener list.boolean
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.Gets theAccessibleAction
associated with this object if one exists.Returns theAccessible
child, if one exists, contained at the local coordinatePoint
.getAccessibleChild
(int i) Returns the specifiedAccessible
child of the object.int
Returns the number of accessible children in the object.Gets theAccessibleComponent
associated with this object if one exists.Gets theAccessibleContext
associated with this component.Gets the accessible description of this object.int
Gets the index of this object in its accessible parent.Gets the accessible name of this object.Gets theAccessible
parent of this object.Gets the role of this object.Gets theAccessibleSelection
associated with this object if one exists.Gets the state set of this object.Gets theAccessibleText
associated with this object if one exists.Gets theAccessibleValue
associated with this object if one exists.Gets the background color of this object.Gets the bounds of this object in the form of aRectangle
object.protected AccessibleContext
Gets the AccessibleContext for the table cell renderer.protected Component
Gets the table cell renderer component.Gets theCursor
of this object.getFont()
Gets theFont
of this object.Gets theFontMetrics
of this object.Gets the foreground color of this object.Gets the locale of the component.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.Returns the location of the object on the screen.getSize()
Returns the size of this object in the form of aDimension
object.boolean
Determines if the object is enabled.boolean
Returns whether this object can accept focus or not.boolean
Determines if the object is showing.boolean
Determines if this object is visible.void
Removes the specified focus listener so it no longer receives focus events from this component.void
Removes aPropertyChangeListener
from the listener list.void
Requests focus for this object.void
Sets the accessible description of this object.void
Sets the localized accessible name of this object.void
Sets the background color of this object.void
Sets the bounds of this object in the form of aRectangle
object.void
Sets theCursor
of this object.void
setEnabled
(boolean b) Sets the enabled state of the object.void
Sets theFont
of this object.void
Sets the foreground color of this object.void
setLocation
(Point p) Sets the location of the object relative to the parent.void
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
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Constructor Details
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AccessibleJTableCell
Constructs anAccessibleJTableHeaderEntry
.- Parameters:
t
- aJTable
r
- anint
specifying a rowc
- anint
specifying a columni
- anint
specifying the index to this cell- Since:
- 1.4
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Method Details
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getAccessibleContext
Gets theAccessibleContext
associated with this component. In the implementation of the Java Accessibility API for this class, return this object, which is its ownAccessibleContext
.- Specified by:
getAccessibleContext
in interfaceAccessible
- Returns:
- this object
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getCurrentAccessibleContext
Gets the AccessibleContext for the table cell renderer.- Returns:
- the
AccessibleContext
for the table cell renderer if one exists; otherwise, returnsnull
. - Since:
- 1.6
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getCurrentComponent
Gets the table cell renderer component.- Returns:
- the table cell renderer component if one exists;
otherwise, returns
null
. - Since:
- 1.6
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getAccessibleName
Gets the accessible name of this object.- Overrides:
getAccessibleName
in classAccessibleContext
- Returns:
- the localized name of the object;
null
if this object does not have a name - See Also:
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setAccessibleName
Sets the localized accessible name of this object.- Overrides:
setAccessibleName
in classAccessibleContext
- Parameters:
s
- the new localized name of the object- See Also:
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getAccessibleDescription
Gets the accessible description of this object.- Overrides:
getAccessibleDescription
in classAccessibleContext
- Returns:
- the localized description of the object;
null
if this object does not have a description - See Also:
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setAccessibleDescription
Sets the accessible description of this object.- Overrides:
setAccessibleDescription
in classAccessibleContext
- Parameters:
s
- the new localized description of the object- See Also:
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getAccessibleRole
Gets the role of this object.- Specified by:
getAccessibleRole
in classAccessibleContext
- Returns:
- an instance of
AccessibleRole
describing the role of the object - See Also:
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getAccessibleStateSet
Gets the state set of this object.- Specified by:
getAccessibleStateSet
in classAccessibleContext
- Returns:
- an instance of
AccessibleStateSet
containing the current state set of the object - See Also:
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getAccessibleParent
Gets theAccessible
parent of this object.- Overrides:
getAccessibleParent
in classAccessibleContext
- Returns:
- the Accessible parent of this object;
null
if this object does not have anAccessible
parent
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getAccessibleIndexInParent
public int getAccessibleIndexInParent()Gets the index of this object in its accessible parent.- Specified by:
getAccessibleIndexInParent
in classAccessibleContext
- Returns:
- the index of this object in its parent; -1 if this object does not have an accessible parent
- See Also:
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getAccessibleChildrenCount
public int getAccessibleChildrenCount()Returns the number of accessible children in the object.- Specified by:
getAccessibleChildrenCount
in classAccessibleContext
- Returns:
- the number of accessible children in the object
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getAccessibleChild
Returns the specifiedAccessible
child of the object.- Specified by:
getAccessibleChild
in classAccessibleContext
- Parameters:
i
- zero-based index of child- Returns:
- the
Accessible
child of the object - See Also:
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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 classAccessibleContext
- Returns:
- this component's locale; if this component does not have a locale, the locale of its parent is returned
- Throws:
IllegalComponentStateException
- if theComponent
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:
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addPropertyChangeListener
Adds aPropertyChangeListener
to the listener list. The listener is registered for all properties.- Overrides:
addPropertyChangeListener
in classAccessibleContext
- Parameters:
l
- thePropertyChangeListener
to be added- See Also:
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removePropertyChangeListener
Removes aPropertyChangeListener
from the listener list. This removes aPropertyChangeListener
that was registered for all properties.- Overrides:
removePropertyChangeListener
in classAccessibleContext
- Parameters:
l
- thePropertyChangeListener
to be removed
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getAccessibleAction
Gets theAccessibleAction
associated with this object if one exists. Otherwise returnsnull
.- Overrides:
getAccessibleAction
in classAccessibleContext
- Returns:
- the
AccessibleAction
, ornull
- See Also:
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getAccessibleComponent
Gets theAccessibleComponent
associated with this object if one exists. Otherwise returnsnull
.- Overrides:
getAccessibleComponent
in classAccessibleContext
- Returns:
- the
AccessibleComponent
, ornull
- See Also:
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getAccessibleSelection
Gets theAccessibleSelection
associated with this object if one exists. Otherwise returnsnull
.- Overrides:
getAccessibleSelection
in classAccessibleContext
- Returns:
- the
AccessibleSelection
, ornull
- See Also:
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getAccessibleText
Gets theAccessibleText
associated with this object if one exists. Otherwise returnsnull
.- Overrides:
getAccessibleText
in classAccessibleContext
- Returns:
- the
AccessibleText
, ornull
- See Also:
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getAccessibleValue
Gets theAccessibleValue
associated with this object if one exists. Otherwise returnsnull
.- Overrides:
getAccessibleValue
in classAccessibleContext
- Returns:
- the
AccessibleValue
, ornull
- See Also:
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getBackground
Gets the background color of this object.- Specified by:
getBackground
in interfaceAccessibleComponent
- Returns:
- the background color, if supported, of the object;
otherwise,
null
- See Also:
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setBackground
Sets the background color of this object.- Specified by:
setBackground
in interfaceAccessibleComponent
- Parameters:
c
- the newColor
for the background- See Also:
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getForeground
Gets the foreground color of this object.- Specified by:
getForeground
in interfaceAccessibleComponent
- Returns:
- the foreground color, if supported, of the object;
otherwise,
null
- See Also:
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setForeground
Sets the foreground color of this object.- Specified by:
setForeground
in interfaceAccessibleComponent
- Parameters:
c
- the newColor
for the foreground- See Also:
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getCursor
Gets theCursor
of this object.- Specified by:
getCursor
in interfaceAccessibleComponent
- Returns:
- the
Cursor
, if supported, of the object; otherwise,null
- See Also:
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setCursor
Sets theCursor
of this object.- Specified by:
setCursor
in interfaceAccessibleComponent
- Parameters:
c
- the newCursor
for the object- See Also:
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getFont
Gets theFont
of this object.- Specified by:
getFont
in interfaceAccessibleComponent
- Returns:
- the
Font
,if supported, for the object; otherwise,null
- See Also:
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setFont
Sets theFont
of this object.- Specified by:
setFont
in interfaceAccessibleComponent
- Parameters:
f
- the newFont
for the object- See Also:
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getFontMetrics
Gets theFontMetrics
of this object.- Specified by:
getFontMetrics
in interfaceAccessibleComponent
- Parameters:
f
- theFont
- Returns:
- the
FontMetrics
object, if supported; otherwisenull
- See Also:
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isEnabled
public boolean isEnabled()Determines if the object is enabled.- Specified by:
isEnabled
in interfaceAccessibleComponent
- Returns:
- true if object is enabled; otherwise, false
- See Also:
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setEnabled
public void setEnabled(boolean b) Sets the enabled state of the object.- Specified by:
setEnabled
in interfaceAccessibleComponent
- Parameters:
b
- if true, enables this object; otherwise, disables it- See Also:
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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, useisShowing
.- Specified by:
isVisible
in interfaceAccessibleComponent
- Returns:
- true if object is visible; otherwise, false
- See Also:
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setVisible
public void setVisible(boolean b) Sets the visible state of the object.- Specified by:
setVisible
in interfaceAccessibleComponent
- Parameters:
b
- if true, shows this object; otherwise, hides it- See Also:
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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 interfaceAccessibleComponent
- Returns:
- true if the object is showing; otherwise, false
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contains
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 interfaceAccessibleComponent
- Parameters:
p
- thePoint
relative to the coordinate system of the object- Returns:
- true if object contains
Point
; otherwise false - See Also:
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getLocationOnScreen
Returns the location of the object on the screen.- Specified by:
getLocationOnScreen
in interfaceAccessibleComponent
- Returns:
- location of object on screen -- can be
null
if this object is not on the screen - See Also:
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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 interfaceAccessibleComponent
- 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:
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setLocation
Sets the location of the object relative to the parent.- Specified by:
setLocation
in interfaceAccessibleComponent
- Parameters:
p
- the new position for the top-left corner- See Also:
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getBounds
Description copied from interface:AccessibleComponent
Gets the bounds of this object in the form of aRectangle
object. The bounds specify this object's width, height, and location relative to its parent.- Specified by:
getBounds
in interfaceAccessibleComponent
- Returns:
- A rectangle indicating this component's bounds;
null
if this object is not on the screen. - See Also:
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setBounds
Description copied from interface:AccessibleComponent
Sets the bounds of this object in the form of aRectangle
object. The bounds specify this object's width, height, and location relative to its parent.- Specified by:
setBounds
in interfaceAccessibleComponent
- Parameters:
r
- rectangle indicating this component's bounds- See Also:
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getSize
Description copied from interface:AccessibleComponent
Returns the size of this object in the form of aDimension
object. Theheight
field of theDimension
object contains this object's height, and thewidth
field of theDimension
object contains this object's width.- Specified by:
getSize
in interfaceAccessibleComponent
- Returns:
- A
Dimension
object that indicates the size of this component;null
if this object is not on the screen - See Also:
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setSize
Description copied from interface:AccessibleComponent
Resizes this object so that it has width and height.- Specified by:
setSize
in interfaceAccessibleComponent
- Parameters:
d
- The dimension specifying the new size of the object- See Also:
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getAccessibleAt
Description copied from interface:AccessibleComponent
Returns theAccessible
child, if one exists, contained at the local coordinatePoint
.- Specified by:
getAccessibleAt
in 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:AccessibleComponent
Returns whether this object can accept focus or not. Objects that can accept focus will also have theAccessibleState.FOCUSABLE
state set in theirAccessibleStateSets
.- Specified by:
isFocusTraversable
in interfaceAccessibleComponent
- Returns:
true
if object can accept focus; otherwisefalse
- See Also:
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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 interfaceAccessibleComponent
- See Also:
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addFocusListener
Description copied from interface:AccessibleComponent
Adds the specified focus listener to receive focus events from this component.- Specified by:
addFocusListener
in interfaceAccessibleComponent
- Parameters:
l
- the focus listener- See Also:
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removeFocusListener
Description copied from interface:AccessibleComponent
Removes the specified focus listener so it no longer receives focus events from this component.- Specified by:
removeFocusListener
in interfaceAccessibleComponent
- Parameters:
l
- the focus listener- See Also:
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