/*******************************************************************************
* Copyright (c) 2005, 2012 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.bpel.ui.details.tree;
import org.eclipse.swt.graphics.Image;
/**
* Interface to tree nodes which represent a model object. The model objects can't
* represent themselves in the tree because they have to have unique parents, and
* in general, our model objects don't. In addition, the model object might want to
* present different children in different contexts (e.g. variable/property versus
* variable/part/query).
*/
public interface ITreeNode {
/**
* Returns the regular label for the node (not including a suffix).
*/
public String getLabel();
/**
* Returns the suffix which should be appended to the label. This is useful to
* show the label of a condensed node in condensed trees.
*/
public String getLabelSuffix();
/**
* Returns an image descriptor from which the label provider can create an image
* for this node.
*/
public Image getImage();
/**
* Returns the underlying model object represented by this node.
*/
public Object getModelObject();
/**
* Similar in purpose to the getChildren() method of ITreeContentProvider.
*/
public Object[] getChildren();
/**
* Similar in purpose to the hasChildren() method of ITreeContentProvider.
*/
public boolean hasChildren();
}