/*******************************************************************************
 * Copyright (c) 2009, 2017 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;

import java.util.*;

/**
 * Instances of this class are sent as a result of accessibility clients
 * sending AccessibleAttribute messages to an accessible object.
 *
 * @see AccessibleAttributeListener
 * @see AccessibleAttributeAdapter
 *
 * @since 3.6
 */
public class AccessibleAttributeEvent extends EventObject {

	/**
	 * [out] the top margin in pixels
	 *
	 * @see AccessibleAttributeListener#getAttributes
	 */
	public int topMargin;

	/**
	 * [out] the bottom margin in pixels
	 *
	 * @see AccessibleAttributeListener#getAttributes
	 */
	public int bottomMargin;

	/**
	 * [out] the left margin in pixels
	 *
	 * @see AccessibleAttributeListener#getAttributes
	 */
	public int leftMargin;

	/**
	 * [out] the right margin in pixels
	 *
	 * @see AccessibleAttributeListener#getAttributes
	 */
	public int rightMargin;

	/**
	 * [out] an array of pixel locations representing tab stops
	 *
	 * @see AccessibleAttributeListener#getAttributes
	 */
	public int[] tabStops;

	/**
	 * [out] whether or not to justify the text
	 *
	 * @see AccessibleAttributeListener#getAttributes
	 */
	public boolean justify;

	/**
	 * [out] the alignment, which is one of SWT#LEFT, SWT#RIGHT or SWT#CENTER
	 *
	 * @see AccessibleAttributeListener#getAttributes
	 */
	public int alignment;

	/**
	 * [out] the indent in pixels
	 *
	 * @see AccessibleAttributeListener#getAttributes
	 */
	public int indent;

	/**
	 * [out] the 1-based level of this accessible in its group
	 *  (0 means "not applicable")
	 *
	 * @see AccessibleAttributeListener#getAttributes
	 * @since 3.102
	 */
	public int groupLevel;
	/**
	 * [out] the 1-based number of similar children in this accessible's group,
	 * including this accessible (0 means "not applicable")
	 *
	 * @see AccessibleAttributeListener#getAttributes
	 * @since 3.102
	 */
	public int groupCount;
	/**
	 * [out] the 1-based index of this accessible in its group
	 *  (0 means "not applicable")
	 *
	 * @see AccessibleAttributeListener#getAttributes
	 * @since 3.102
	 */
	public int groupIndex;

	/**
	 * [out] an array of alternating key and value Strings which
	 * represent additional (i.e. non predefined) attributes
	 *
	 * @see AccessibleAttributeListener#getAttributes
	 */
	public String [] attributes;

	static final long serialVersionUID = -2894665777259297851L;

/**
 * Constructs a new instance of this class.
 *
 * @param source the object that fired the event
 */
public AccessibleAttributeEvent(Object source) {
	super(source);
}

/**
 * Returns a string containing a concise, human-readable
 * description of the receiver.
 *
 * @return a string representation of the event
 */
@Override
public String toString () {
	return "AccessibleAttributeEvent {" //$NON-NLS-1$
		+ " topMargin=" + topMargin   //$NON-NLS-1$
		+ " bottomMargin=" + bottomMargin   //$NON-NLS-1$
		+ " leftMargin=" + leftMargin   //$NON-NLS-1$
		+ " rightMargin=" + rightMargin   //$NON-NLS-1$
		+ " tabStops=" + tabStops   //$NON-NLS-1$
		+ " justify=" + justify   //$NON-NLS-1$
		+ " alignment=" + alignment   //$NON-NLS-1$
		+ " indent=" + indent   //$NON-NLS-1$
		+ " groupLevel=" + groupLevel   //$NON-NLS-1$
		+ " groupCount=" + groupCount   //$NON-NLS-1$
		+ " groupIndex=" + groupIndex   //$NON-NLS-1$
		+ "}";  //$NON-NLS-1$
}
}
