1 /*******************************************************************************
2  * Copyright (c) 2000, 2008 IBM Corporation and others.
3  *
4  * This program and the accompanying materials
5  * are made available under the terms of the Eclipse Public License 2.0
6  * which accompanies this distribution, and is available at
7  * https://www.eclipse.org/legal/epl-2.0/
8  *
9  * SPDX-License-Identifier: EPL-2.0
10  *
11  * Contributors:
12  *     IBM Corporation - initial API and implementation
13  *******************************************************************************/
14 
15 package org.eclipse.jface.text;
16 
17 /**
18  * Extension interface {@link org.eclipse.jface.text.IInformationControl}.
19  * <p>
20  * As it is the responsibility of the implementer of
21  * {@link org.eclipse.jface.text.IInformationControl} and
22  * {@link org.eclipse.jface.text.IInformationControlExtension2} to specify the
23  * concrete nature of the information control's input, only the implementer can
24  * know whether it has something to show or not.
25  *
26  * @since 2.0
27  */
28 public interface IInformationControlExtension {
29 
30 	/**
31 	 * Returns whether this information control has contents to be displayed.
32 	 *
33 	 * @return <code>true</code> if there is contents to be displayed.
34 	 */
hasContents()35 	boolean hasContents();
36 }
37