| /* |
| * 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.openapi.vcs.ex; |
| |
| import com.intellij.icons.AllIcons; |
| import com.intellij.openapi.actionSystem.AnActionEvent; |
| import com.intellij.openapi.diff.*; |
| import com.intellij.openapi.editor.Document; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.openapi.vcs.VcsBundle; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * @author irengrig |
| */ |
| public class ShowLineStatusRangeDiffAction extends BaseLineStatusRangeAction { |
| public ShowLineStatusRangeDiffAction(@NotNull LineStatusTracker lineStatusTracker, @NotNull Range range, @Nullable Editor editor) { |
| super(VcsBundle.message("action.name.show.difference"), AllIcons.Actions.Diff, lineStatusTracker, range); |
| } |
| |
| @Override |
| public boolean isEnabled() { |
| return true; |
| } |
| |
| @Override |
| public void actionPerformed(final AnActionEvent e) { |
| DiffManager.getInstance().getDiffTool().show(createDiffData()); |
| } |
| |
| private DiffRequest createDiffData() { |
| return new DiffRequest(myLineStatusTracker.getProject()) { |
| @NotNull |
| public DiffContent[] getContents() { |
| Range range = expand(myRange, myLineStatusTracker.getDocument(), myLineStatusTracker.getVcsDocument()); |
| return new DiffContent[]{ |
| createDiffContent(myLineStatusTracker.getVcsDocument(), |
| myLineStatusTracker.getVcsRange(range), |
| null), |
| createDiffContent(myLineStatusTracker.getDocument(), |
| myLineStatusTracker.getCurrentTextRange(range), |
| myLineStatusTracker.getVirtualFile())}; |
| } |
| |
| public String[] getContentTitles() { |
| return new String[]{VcsBundle.message("diff.content.title.up.to.date"), |
| VcsBundle.message("diff.content.title.current.range")}; |
| } |
| |
| public String getWindowTitle() { |
| return VcsBundle.message("dialog.title.diff.for.range"); |
| } |
| }; |
| } |
| |
| @NotNull |
| private DiffContent createDiffContent(@NotNull Document uDocument, @NotNull TextRange textRange, @Nullable VirtualFile file) { |
| final Project project = myLineStatusTracker.getProject(); |
| final DiffContent diffContent = new DocumentContent(project, uDocument); |
| return new FragmentContent(diffContent, textRange, project, file); |
| } |
| |
| @NotNull |
| private static Range expand(@NotNull Range range, @NotNull Document document, @NotNull Document uDocument) { |
| if (range.getType() == Range.MODIFIED) return range; |
| if (range.getType() == Range.INSERTED || range.getType() == Range.DELETED) { |
| boolean canExpandBefore = range.getLine1() != 0 && range.getVcsLine1() != 0; |
| boolean canExpandAfter = range.getLine2() < document.getLineCount() && range.getVcsLine2() < uDocument.getLineCount(); |
| int offset1 = range.getLine1() - (canExpandBefore ? 1 : 0); |
| int uOffset1 = range.getVcsLine1() - (canExpandBefore ? 1 : 0); |
| int offset2 = range.getLine2() + (canExpandAfter ? 1 : 0); |
| int uOffset2 = range.getVcsLine2() + (canExpandAfter ? 1 : 0); |
| return new Range(offset1, offset2, uOffset1, uOffset2, range.getType()); |
| } |
| throw new IllegalArgumentException("Unknown range type: " + range.getType()); |
| } |
| } |