Spec-Zone .ru
спецификации, руководства, описания, API
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JavaTM 2 Platform Std. Ed. v1.3.1 |
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SUMMARY: INNER | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
The AccessibleComponent interface should be supported by any object
that is rendered on the screen. This interface provides the standard
mechanism for an assistive technology to determine and set the
graphical representation of an object. Applications can determine
if an object supports the AccessibleComponent interface by first
obtaining its AccessibleContext
and then calling the
AccessibleContext.getAccessibleComponent()
method.
If the return value is not null, the object supports this interface.
Accessible
,
Accessible.getAccessibleContext()
,
AccessibleContext
,
AccessibleContext.getAccessibleComponent()
Method Summary | |
void |
addFocusListener(FocusListener l)
Adds the specified focus listener to receive focus events from this component. |
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. |
Accessible |
getAccessibleAt(Point p)
Returns the Accessible child, if one exists, contained at the local coordinate Point. |
Color |
getBackground()
Gets the background color of this object. |
Rectangle |
getBounds()
Gets the bounds of this object in the form of a Rectangle object. |
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. |
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 the object is visible. |
void |
removeFocusListener(FocusListener l)
Removes the specified focus listener so it no longer receives focus events from this component. |
void |
requestFocus()
Requests focus for 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 cursor)
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. |
Method Detail |
public Color getBackground()
setBackground(java.awt.Color)
public void setBackground(Color c)
c
- the new Color for the backgroundsetBackground(java.awt.Color)
public Color getForeground()
setForeground(java.awt.Color)
public void setForeground(Color c)
c
- the new Color for the foregroundgetForeground()
public Cursor getCursor()
setCursor(java.awt.Cursor)
public void setCursor(Cursor cursor)
c
- the new Cursor for the objectgetCursor()
public Font getFont()
setFont(java.awt.Font)
public void setFont(Font f)
f
- the new Font for the objectgetFont()
public FontMetrics getFontMetrics(Font f)
f
- the FontgetFont()
public boolean isEnabled()
setEnabled(boolean)
,
AccessibleContext.getAccessibleStateSet()
,
AccessibleState.ENABLED
,
AccessibleStateSet
public void setEnabled(boolean b)
b
- if true, enables this object; otherwise, disables itisEnabled()
public boolean isVisible()
Objects that are visible will also have the AccessibleState.VISIBLE state set in their AccessibleStateSets.
setVisible(boolean)
,
AccessibleContext.getAccessibleStateSet()
,
AccessibleState.VISIBLE
,
AccessibleStateSet
public void setVisible(boolean b)
b
- if true, shows this object; otherwise, hides itisVisible()
public boolean isShowing()
public boolean contains(Point p)
p
- the Point relative to the coordinate system of the objectgetBounds()
public Point getLocationOnScreen()
getBounds()
,
getLocation()
public Point getLocation()
getBounds()
,
getLocationOnScreen()
public void setLocation(Point p)
p
- the new position for the top-left cornergetLocation()
public Rectangle getBounds()
contains(java.awt.Point)
public void setBounds(Rectangle r)
r
- rectangle indicating this component's boundsgetBounds()
public Dimension getSize()
setSize(java.awt.Dimension)
public void setSize(Dimension d)
d
- The dimension specifying the new size of the object.getSize()
public Accessible getAccessibleAt(Point p)
p
- The point relative to the coordinate system of this object.public boolean isFocusTraversable()
AccessibleContext.getAccessibleStateSet()
,
AccessibleState.FOCUSABLE
,
AccessibleState.FOCUSED
,
AccessibleStateSet
public void requestFocus()
isFocusTraversable()
public void addFocusListener(FocusListener l)
l
- the focus listenerremoveFocusListener(java.awt.event.FocusListener)
public void removeFocusListener(FocusListener l)
l
- the focus listeneraddFocusListener(java.awt.event.FocusListener)
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JavaTM 2 Platform Std. Ed. v1.3.1 |
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