/*******************************************************************************
* Copyright (c) 2000, 2005 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.compare;
import org.eclipse.swt.graphics.Image;
/**
* Interface for getting the name, image, and type for an object.
* <p>
* These methods are typically used to present an input object in the compare UI
* (<code>getName</code> and <code>getImage</code>)
* and for finding a viewer for a given input type (<code>getType</code>).
* <p>
* Clients may implement this interface.
*/
public interface ITypedElement {
/**
* Type for a folder input (value <code>"FOLDER"</code>).
* Folders are comparison elements that have no contents, only a name and children.
*/
public static final String FOLDER_TYPE= "FOLDER"; //$NON-NLS-1$
/**
* Type for an element whose actual type is text (value <code>"txt"</code>).
*/
public static final String TEXT_TYPE= "txt"; //$NON-NLS-1$
/**
* Type for an element whose actual type could not
* be determined. (value <code>"???"</code>).
*/
public static final String UNKNOWN_TYPE= "???"; //$NON-NLS-1$
/**
* Returns the name of this object.
* The name is used when displaying this object in the UI.
*
* @return the name of this object
*/
String getName();
/**
* Returns an image for this object.
* This image is used when displaying this object in the UI.
*
* @return the image of this object or <code>null</code> if this type of input has no image
*/
Image getImage();
/**
* Returns the type of this object. For objects with a file name
* this is typically the file extension. For folders its the constant
* <code>FOLDER_TYPE</code>.
* The type is used for determining a suitable viewer for this object.
*
* @return the type of this object
*/
String getType();
}
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