org.eclipse.swt.events.VerifyEvent.java Source code

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Here is the source code for org.eclipse.swt.events.VerifyEvent.java

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/*******************************************************************************
 * Copyright (c) 2002, 2012 Innoopract Informationssysteme GmbH and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Innoopract Informationssysteme GmbH - initial API and implementation
 *     EclipseSource - ongoing development
 ******************************************************************************/
package org.eclipse.swt.events;

import org.eclipse.swt.widgets.Event;

/**
 * Instances of this class are sent as a result of
 * text being modified.
 *
 * @see VerifyListener
 */
public final class VerifyEvent extends KeyEvent {

    private static final long serialVersionUID = 1L;

    /**
     * the new text that will be inserted.
     * Setting this field will change the text that is about to
     * be inserted or deleted.
     */
    public String text;

    /**
     * the range of text being modified.
     * Setting these fields has no effect.
     */
    public int start, end;

    /**
     * Constructs a new instance of this class based on the
     * information in the given untyped event.
     *
     * @param event the untyped event containing the information
     */
    public VerifyEvent(Event event) {
        super(event);
        this.start = event.start;
        this.end = event.end;
        this.text = event.text;
    }

    /**
     * Returns a string containing a concise, human-readable
     * description of the receiver.
     *
     * @return a string representation of the event
     */
    @Override
    public String toString() {
        String string = super.toString();
        return string.substring(0, string.length() - 1) // remove trailing '}'
                // differs from SWT: no doit in superclass, thus add explicitly
                + " doit=" + doit + " start=" + start + " end=" + end + " text=" + text + "}";
    }
}