| /* |
| * 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. |
| */ |
| |
| /* |
| * Created by IntelliJ IDEA. |
| * User: max |
| * Date: May 13, 2002 |
| * Time: 10:47:00 PM |
| * To change template for new class use |
| * Code Style | Class Templates options (Tools | IDE Options). |
| */ |
| package com.intellij.openapi.editor.actions; |
| |
| import com.intellij.codeStyle.CodeStyleFacade; |
| import com.intellij.openapi.actionSystem.CommonDataKeys; |
| import com.intellij.openapi.actionSystem.DataContext; |
| import com.intellij.openapi.editor.Document; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.editor.actionSystem.EditorAction; |
| import com.intellij.openapi.editor.actionSystem.EditorWriteActionHandler; |
| import com.intellij.openapi.editor.ex.EditorEx; |
| import com.intellij.openapi.fileEditor.FileDocumentManager; |
| import com.intellij.openapi.fileTypes.FileType; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.vfs.VirtualFile; |
| |
| public class UnindentSelectionAction extends EditorAction { |
| public UnindentSelectionAction() { |
| super(new Handler()); |
| } |
| |
| private static class Handler extends EditorWriteActionHandler { |
| public Handler() { |
| super(true); |
| } |
| |
| @Override |
| public void executeWriteAction(Editor editor, DataContext dataContext) { |
| Project project = CommonDataKeys.PROJECT.getData(dataContext); |
| unindentSelection(editor, project); |
| } |
| |
| @Override |
| public boolean isEnabled(Editor editor, DataContext dataContext) { |
| return !editor.isOneLineMode() && !((EditorEx)editor).isEmbeddedIntoDialogWrapper(); |
| } |
| } |
| |
| private static void unindentSelection(Editor editor, Project project) { |
| int oldSelectionStart = editor.getSelectionModel().getSelectionStart(); |
| int oldSelectionEnd = editor.getSelectionModel().getSelectionEnd(); |
| if(!editor.getSelectionModel().hasSelection()) { |
| oldSelectionStart = editor.getCaretModel().getOffset(); |
| oldSelectionEnd = oldSelectionStart; |
| } |
| |
| Document document = editor.getDocument(); |
| int startIndex = document.getLineNumber(oldSelectionStart); |
| if(startIndex == -1) { |
| startIndex = document.getLineCount() - 1; |
| } |
| int endIndex = document.getLineNumber(oldSelectionEnd); |
| if(endIndex > 0 && document.getLineStartOffset(endIndex) == oldSelectionEnd && endIndex > startIndex) { |
| endIndex --; |
| } |
| if(endIndex == -1) { |
| endIndex = document.getLineCount() - 1; |
| } |
| |
| if (startIndex < 0 || endIndex < 0) return; |
| |
| VirtualFile vFile = FileDocumentManager.getInstance().getFile(document); |
| final FileType fileType = vFile == null ? null : vFile.getFileType(); |
| |
| int blockIndent = CodeStyleFacade.getInstance(project).getIndentSize(fileType); |
| IndentSelectionAction.doIndent(endIndex, startIndex, document, project, editor, -blockIndent); |
| } |
| } |