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/*******************************************************************************
* Copyright (c) 2008 Red Hat, Inc.
* 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:
* Kent Sebastian <ksebasti@redhat.com> - initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.oprofile.ui.model;
import org.eclipse.swt.graphics.Image;
/**
* Interface for all model elements to ease use with the tree viewer.
* @since 1.1
*/
public interface IUiModelElement {
/**
* Returns the text to display in the tree viewer as required by the label provider.
* @return text describing this element
*/
String getLabelText();
/**
* Returns the children of this element.
* @return an array of IUiModelElements
*/
IUiModelElement[] getChildren();
/**
* Returns if this element has any children. Unless there is no data in
* a session, only samples should not have any children.
* @return true if children, false if no children
*/
boolean hasChildren();
/**
* Returns the parent element.
* @return the parent element
*/
IUiModelElement getParent();
/**
* Returns the Image to display next to the text in the tree viewer.
* @return an Image object of the icon
*/
Image getLabelImage();
}
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