TreeModel.java
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上传日期:2022-06-15
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文件大小:2k
- /*
- * Copyright 2008 Sun Microsystems, Inc. All Rights Reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Sun designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Sun in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- */
- package com.sun.lwuit.tree;
- import java.util.Vector;
- /**
- * Arranges tree node objects, a node can essentially be anything
- *
- * @author Shai Almog
- */
- public interface TreeModel {
- /**
- * Returns the child objects representing the given parent, null should return
- * the root objects
- *
- * @param parent the parent object whose children should be returned, null would return the
- * tree roots
- * @return the children of the given node within the tree
- */
- public Vector getChildren(Object parent);
- /**
- * Is the node a leaf or a folder
- *
- * @param node a node within the tree
- * @return true if the node is a leaf that can't be expanded
- */
- public boolean isLeaf(Object node);
- }