| /* |
| * Copyright 2000-2012 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.psi.codeStyle.arrangement.engine; |
| |
| import com.intellij.codeInsight.folding.CodeFoldingManager; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.editor.FoldRegion; |
| import com.intellij.openapi.project.Project; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * @author Denis Zhdanov |
| * @since 11/21/12 12:57 PM |
| */ |
| public class RestoreFoldArrangementCallback implements ArrangementCallback { |
| |
| @NotNull private final Editor myEditor; |
| |
| public RestoreFoldArrangementCallback(@NotNull Editor editor) { |
| myEditor = editor; |
| } |
| |
| @Override |
| public void afterArrangement(@NotNull final List<ArrangementMoveInfo> moveInfos) { |
| // Restore state for the PSI elements not affected by arrangement. |
| Project project = myEditor.getProject(); |
| if (project != null) { |
| final FoldRegion[] regions = myEditor.getFoldingModel().getAllFoldRegions(); |
| final List<FoldRegionInfo> foldRegionsInfo = new ArrayList<FoldRegionInfo>(); |
| for (FoldRegion region : regions) { |
| final FoldRegionInfo info = new FoldRegionInfo(region.getStartOffset(), region.getEndOffset(), region.isExpanded()); |
| foldRegionsInfo.add(info); |
| } |
| |
| final CodeFoldingManager foldingManager = CodeFoldingManager.getInstance(project); |
| foldingManager.updateFoldRegions(myEditor); |
| myEditor.getFoldingModel().runBatchFoldingOperation(new Runnable() { |
| @Override |
| public void run() { |
| for (FoldRegionInfo info : foldRegionsInfo) { |
| final FoldRegion foldRegion = foldingManager.findFoldRegion(myEditor, info.myStart, info.myEnd); |
| if (foldRegion != null) { |
| foldRegion.setExpanded(info.myIsExpanded); |
| } |
| } |
| } |
| }); |
| } |
| } |
| |
| private static class FoldRegionInfo { |
| private int myStart; |
| private int myEnd; |
| private boolean myIsExpanded; |
| |
| private FoldRegionInfo(int start, int end, boolean expanded) { |
| myStart = start; |
| myEnd = end; |
| myIsExpanded = expanded; |
| } |
| } |
| } |