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com.google.gwt.user.client.ui
Class Accessibility

java.lang.Object
  extended by com.google.gwt.user.client.ui.Accessibility
Deprecated. Use the new GWT ARIA library with the factory class for the ARIA roles Roles. There are getters for all ARIA roles. For each role there are get/set/remove methods defined for all (own and inherited) supported states and properties. 

@Deprecated
public final class Accessibility
extends java.lang.Object

Allows ARIA attributes to be added to widgets so that they can be identified by assistive technologies.

A 'role' describes the role a widget plays in a page: i.e. a checkbox widget is assigned a "checkbox" role.

A 'state' describes the current state of the widget. For example, a checkbox widget has the state "checked", which is given a value of "true" or "false" depending on whether it is currently checked or unchecked.

See the MDC page on Accessible DHTML for more information.

Note that although this API is public, the ARIA specification is still somewhat in flux. As a result, this API is subject to change as the specification stabilizes; we will do our best to keep the community updated on changes.

Field Summary
static java.lang.String ROLE_BUTTON
          Deprecated.  
static java.lang.String ROLE_MENUBAR
          Deprecated.  
static java.lang.String ROLE_MENUITEM
          Deprecated.  
static java.lang.String ROLE_TAB
          Deprecated.  
static java.lang.String ROLE_TABLIST
          Deprecated.  
static java.lang.String ROLE_TABPANEL
          Deprecated.  
static java.lang.String ROLE_TREE
          Deprecated.  
static java.lang.String ROLE_TREEITEM
          Deprecated.  
static java.lang.String STATE_ACTIVEDESCENDANT
          Deprecated.  
static java.lang.String STATE_EXPANDED
          Deprecated.  
static java.lang.String STATE_HASPOPUP
          Deprecated.  
static java.lang.String STATE_LEVEL
          Deprecated.  
static java.lang.String STATE_POSINSET
          Deprecated.  
static java.lang.String STATE_PRESSED
          Deprecated.  
static java.lang.String STATE_SELECTED
          Deprecated.  
static java.lang.String STATE_SETSIZE
          Deprecated.  
 
Method Summary
static java.lang.String getRole(Element elem)
          Deprecated. Requests the string value of the role with the specified namespace.
static java.lang.String getState(Element elem, java.lang.String stateName)
          Deprecated. Requests the string value of the state with the specified namespace.
static void removeState(Element elem, java.lang.String stateName)
          Deprecated. Removes the state from the given element.
static void setRole(Element elem, java.lang.String roleName)
          Deprecated. Assigns the specified element the specified role and value for that role.
static void setState(Element elem, java.lang.String stateName, java.lang.String stateValue)
          Deprecated. Assigns the specified element the specified state and value for that state.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

ROLE_TREE

public static final java.lang.String ROLE_TREE
Deprecated. 
See Also:
Constant Field Values

ROLE_TREEITEM

public static final java.lang.String ROLE_TREEITEM
Deprecated. 
See Also:
Constant Field Values

ROLE_BUTTON

public static final java.lang.String ROLE_BUTTON
Deprecated. 
See Also:
Constant Field Values

ROLE_TABLIST

public static final java.lang.String ROLE_TABLIST
Deprecated. 
See Also:
Constant Field Values

ROLE_TAB

public static final java.lang.String ROLE_TAB
Deprecated. 
See Also:
Constant Field Values

ROLE_TABPANEL

public static final java.lang.String ROLE_TABPANEL
Deprecated. 
See Also:
Constant Field Values

ROLE_MENUBAR

public static final java.lang.String ROLE_MENUBAR
Deprecated. 
See Also:
Constant Field Values

ROLE_MENUITEM

public static final java.lang.String ROLE_MENUITEM
Deprecated. 
See Also:
Constant Field Values

STATE_ACTIVEDESCENDANT

public static final java.lang.String STATE_ACTIVEDESCENDANT
Deprecated. 
See Also:
Constant Field Values

STATE_POSINSET

public static final java.lang.String STATE_POSINSET
Deprecated. 
See Also:
Constant Field Values

STATE_SETSIZE

public static final java.lang.String STATE_SETSIZE
Deprecated. 
See Also:
Constant Field Values

STATE_SELECTED

public static final java.lang.String STATE_SELECTED
Deprecated. 
See Also:
Constant Field Values

STATE_EXPANDED

public static final java.lang.String STATE_EXPANDED
Deprecated. 
See Also:
Constant Field Values

STATE_LEVEL

public static final java.lang.String STATE_LEVEL
Deprecated. 
See Also:
Constant Field Values

STATE_HASPOPUP

public static final java.lang.String STATE_HASPOPUP
Deprecated. 
See Also:
Constant Field Values

STATE_PRESSED

public static final java.lang.String STATE_PRESSED
Deprecated. 
See Also:
Constant Field Values
Method Detail

getRole

public static java.lang.String getRole(Element elem)
Deprecated. 
Requests the string value of the role with the specified namespace.

Parameters:
elem - the element which has the specified role
Returns:
the value of the role, or an empty string if none exists

getState

public static java.lang.String getState(Element elem,
                                        java.lang.String stateName)
Deprecated. 
Requests the string value of the state with the specified namespace.

Parameters:
elem - the element which has the specified state
stateName - the name of the state
Returns:
the value of the state, or an empty string if none exists

removeState

public static void removeState(Element elem,
                               java.lang.String stateName)
Deprecated. 
Removes the state from the given element.

Parameters:
elem - the element which has the specified state
stateName - the name of the state to remove

setRole

public static void setRole(Element elem,
                           java.lang.String roleName)
Deprecated. 
Assigns the specified element the specified role and value for that role.

Parameters:
elem - the element to be given the specified role
roleName - the name of the role

setState

public static void setState(Element elem,
                            java.lang.String stateName,
                            java.lang.String stateValue)
Deprecated. 
Assigns the specified element the specified state and value for that state.

Parameters:
elem - the element to be given the specified state
stateName - the name of the state
stateValue - the value of the state
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