| /* |
| * 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: 9:35:30 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.openapi.actionSystem.DataContext; |
| import com.intellij.openapi.command.CommandProcessor; |
| import com.intellij.openapi.editor.*; |
| import com.intellij.openapi.editor.actionSystem.EditorAction; |
| import com.intellij.openapi.editor.actionSystem.EditorWriteActionHandler; |
| import com.intellij.util.ui.MacUIUtil; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| public class EnterAction extends EditorAction { |
| public EnterAction() { |
| super(new Handler()); |
| setInjectedContext(true); |
| } |
| |
| private static class Handler extends EditorWriteActionHandler { |
| public Handler() { |
| super(true); |
| } |
| |
| @Override |
| public void executeWriteAction(Editor editor, @Nullable Caret caret, DataContext dataContext) { |
| CommandProcessor.getInstance().setCurrentCommandName(EditorBundle.message("typing.command.name")); |
| insertNewLineAtCaret(editor); |
| } |
| |
| @Override |
| public boolean isEnabledForCaret(@NotNull Editor editor, @NotNull Caret caret, DataContext dataContext) { |
| return !editor.isOneLineMode(); |
| } |
| } |
| |
| public static void insertNewLineAtCaret(Editor editor) { |
| MacUIUtil.hideCursor(); |
| if(!editor.isInsertMode()) { |
| if(editor.getCaretModel().getLogicalPosition().line < editor.getDocument().getLineCount()-1) { |
| LogicalPosition pos = new LogicalPosition(editor.getCaretModel().getLogicalPosition().line+1, 0); |
| editor.getCaretModel().moveToLogicalPosition(pos); |
| editor.getSelectionModel().removeSelection(); |
| editor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE); |
| } |
| return; |
| } |
| EditorModificationUtil.deleteSelectedText(editor); |
| // Smart indenting here: |
| Document document = editor.getDocument(); |
| CharSequence text = document.getCharsSequence(); |
| |
| int indentLineNum = editor.getCaretModel().getLogicalPosition().line; |
| int lineLength = 0; |
| if (document.getLineCount() > 0) { |
| for(;indentLineNum >= 0; indentLineNum--) { |
| lineLength = document.getLineEndOffset(indentLineNum) - document.getLineStartOffset(indentLineNum); |
| if(lineLength > 0) |
| break; |
| } |
| } else { |
| indentLineNum = -1; |
| } |
| |
| int colNumber = editor.getCaretModel().getLogicalPosition().column; |
| StringBuilder buf = new StringBuilder(); |
| if(indentLineNum >= 0) { |
| int lineStartOffset = document.getLineStartOffset(indentLineNum); |
| for(int i = 0; i < lineLength; i++) { |
| char c = text.charAt(lineStartOffset + i); |
| if(c != ' ' && c != '\t') { |
| break; |
| } |
| if(i >= colNumber) { |
| break; |
| } |
| buf.append(c); |
| } |
| } |
| int caretOffset = editor.getCaretModel().getOffset(); |
| String s = "\n"+buf; |
| document.insertString(caretOffset, s); |
| editor.getCaretModel().moveToOffset(caretOffset + s.length()); |
| editor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE); |
| editor.getSelectionModel().removeSelection(); |
| } |
| } |