| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.intellij.ide.util.treeView.smartTree; |
| |
| import com.intellij.navigation.ItemPresentation; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * An element in a generic tree control displayed in the IDEA user interface. |
| * |
| * @see com.intellij.ide.util.treeView.smartTree.TreeModel#getRoot() |
| */ |
| |
| public interface TreeElement { |
| TreeElement[] EMPTY_ARRAY = new TreeElement[0]; |
| /** |
| * Returns the presentation of the tree element. |
| * |
| * @return the element presentation. |
| */ |
| @NotNull |
| ItemPresentation getPresentation(); |
| |
| /** |
| * Returns the list of children of the tree element. |
| * |
| * @return the list of children. |
| */ |
| @NotNull |
| TreeElement[] getChildren(); |
| } |