| /* |
| * Copyright 2000-2011 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 org.jetbrains.idea.svn.dialogs.browserCache; |
| |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| import org.jetbrains.idea.svn.browse.DirectoryEntry; |
| import org.jetbrains.idea.svn.dialogs.RepositoryTreeNode; |
| |
| import java.util.List; |
| |
| public abstract class Loader { |
| |
| @NotNull protected final SvnRepositoryCache myCache; |
| |
| protected Loader(@NotNull SvnRepositoryCache cache) { |
| myCache = cache; |
| } |
| |
| public abstract void load(@NotNull RepositoryTreeNode node, @NotNull Expander afterRefreshExpander); |
| |
| @NotNull |
| protected abstract NodeLoadState getNodeLoadState(); |
| |
| protected void refreshNodeError(@NotNull RepositoryTreeNode node, @NotNull String text) { |
| RepositoryTreeNode existingNode = findExistingNode(node); |
| |
| if (existingNode != null) { |
| existingNode.setErrorNode(text); |
| } |
| } |
| |
| protected void refreshNode(@NotNull RepositoryTreeNode node, @NotNull List<DirectoryEntry> data, @NotNull Expander expander) { |
| RepositoryTreeNode existingNode = findExistingNode(node); |
| |
| if (existingNode != null) { |
| expander.onBeforeRefresh(existingNode); |
| existingNode.setChildren(data, getNodeLoadState()); |
| expander.onAfterRefresh(existingNode); |
| } |
| } |
| |
| @Nullable |
| private static RepositoryTreeNode findExistingNode(@NotNull RepositoryTreeNode node) { |
| RepositoryTreeNode result = null; |
| |
| if (!node.isDisposed()) { |
| result = node.getNodeWithSamePathUnderModelRoot(); |
| } |
| |
| return result == null || result.isDisposed() ? null : result; |
| } |
| } |