Mercurial > projects > dwt2
view org.eclipse.jface/src/org/eclipse/jface/viewers/ITreePathContentProvider.d @ 12:bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
author | Frank Benoit <benoit@tionex.de> |
---|---|
date | Sat, 14 Mar 2009 18:23:29 +0100 |
parents | |
children |
line wrap: on
line source
/******************************************************************************* * Copyright (c) 2006 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 * Port to the D programming language: * Frank Benoit <benoit@tionex.de> ******************************************************************************/ module org.eclipse.jface.viewers.ITreePathContentProvider; import java.lang.all; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.TreePath; /** * An interface to content providers for tree-structure-oriented viewers that * provides content based on the path of elements in the tree viewer.. * * @see AbstractTreeViewer * @since 3.2 */ public interface ITreePathContentProvider : IStructuredContentProvider { /** * Returns the child elements of the last element in the given path. * Implementors may want to use the additional context of the complete path * of a parent element in order to decide which children to return. * <p> * The provided path is relative to the input. The root elements must * be obtained by calling * {@link IStructuredContentProvider#getElements(Object)}. * </p> * The result is not modified by the viewer. * * @param parentPath * the path of the parent element * @return an array of child elements */ public Object[] getChildren(TreePath parentPath); /** * Returns whether the last element of the given path has children. * <p> * Intended as an optimization for when the viewer does not need the actual * children. Clients may be able to implement this more efficiently than * <code>getChildren</code>. * </p> * * @param path * the path * @return <code>true</code> if the lat element of the path has children, * and <code>false</code> if it has no children */ public bool hasChildren(TreePath path); /** * Return the possible parent paths for the given element. An empty array * can be returned if the paths cannot be computed. If the element is * a potential child of the input of the viewer, an empty tree path * should be an entry in the returned array. * * @param element * the element * @return the possible parent paths for the given element */ public TreePath[] getParents(Object element); }