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/*******************************************************************************
* Copyright (c) 2009, 2016 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.accessibility;
/**
* This adapter class provides default implementations for the
* methods in the AccessibleAttributeListener
interface.
*
* Classes that wish to deal with AccessibleAttribute
events can
* extend this class and override only the methods that they are
* interested in.
*
*
* @see AccessibleAttributeListener
* @see AccessibleAttributeEvent
* @see AccessibleTextAttributeEvent
*
* @since 3.6
*/
public class AccessibleAttributeAdapter implements AccessibleAttributeListener {
/**
* Returns attributes specific to this Accessible object.
*
* @param e an event object containing the following fields:
* - [out] topMargin - the top margin in pixels
* - [out] bottomMargin - the bottom margin in pixels
* - [out] leftMargin - the left margin in pixels
* - [out] rightMargin - the right margin in pixels
* - [out] tabStops - an array of pixel locations
* - [out] justify - whether or not to justify the text
* - [out] alignment - one of
SWT#LEFT
, SWT#RIGHT
or SWT#CENTER
* - [out] indent - the indent in pixels
* - [out] groupLevel - the level of this accessible in its group
* - [out] groupCount - the number of similar children in this accessible's group
* - [out] groupIndex - the index of this accessible in its group
* - [out] attributes - an array of alternating key and value Strings
* which represent additional (i.e. non predefined) attributes
*
*/
@Override
public void getAttributes(AccessibleAttributeEvent e) {}
/**
* Returns text attributes specific to this Accessible object.
*
* @param e an event object containing the following fields:
* - [in] offset - the 0 based text offset for which to return attribute information
* - [out] start - the 0 based starting offset of the character range
* over which all text attributes match those of offset
* - [out] end - the 0 based offset after the last character of the character range
* over which all text attributes match those of offset
* - [out] textStyle - the TextStyle of the character range
* - [out] attributes - an array of alternating key and value Strings
* that represent additional attributes that do not correspond to TextStyle fields
*
*/
@Override
public void getTextAttributes(AccessibleTextAttributeEvent e) {}
}
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