| /* |
| * 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 14, 2002 |
| * Time: 7:40:40 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.codeInsight.editorActions.SelectWordUtil; |
| import com.intellij.codeInsight.highlighting.BraceMatchingUtil; |
| import com.intellij.openapi.actionSystem.DataContext; |
| import com.intellij.openapi.editor.*; |
| import com.intellij.openapi.editor.actionSystem.EditorActionHandler; |
| import com.intellij.openapi.editor.ex.EditorEx; |
| import com.intellij.openapi.editor.highlighter.HighlighterIterator; |
| import com.intellij.openapi.project.DumbAware; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.util.text.CharArrayUtil; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class SelectWordAtCaretAction extends TextComponentEditorAction implements DumbAware { |
| public SelectWordAtCaretAction() { |
| super(new DefaultHandler()); |
| setInjectedContext(true); |
| } |
| |
| private static class DefaultHandler extends EditorActionHandler { |
| private DefaultHandler() { |
| super(true); |
| } |
| |
| @Override |
| public void doExecute(Editor editor, @Nullable Caret caret, DataContext dataContext) { |
| int lineNumber = editor.getCaretModel().getLogicalPosition().line; |
| int caretOffset = editor.getCaretModel().getOffset(); |
| Document document = editor.getDocument(); |
| if (lineNumber >= document.getLineCount()) { |
| return; |
| } |
| CharSequence text = document.getCharsSequence(); |
| |
| boolean camel = editor.getSettings().isCamelWords(); |
| List<TextRange> ranges = new ArrayList<TextRange>(); |
| |
| int textLength = document.getTextLength(); |
| if (caretOffset == textLength) caretOffset--; |
| if (caretOffset < 0) return; |
| |
| SelectWordUtil.addWordSelection(camel, text, caretOffset, ranges); |
| |
| if (ranges.isEmpty()) return; |
| |
| int startWordOffset = Math.max(0, ranges.get(0).getStartOffset()); |
| int endWordOffset = Math.min(ranges.get(0).getEndOffset(), document.getTextLength()); |
| |
| final SelectionModel selectionModel = editor.getSelectionModel(); |
| if (camel && ranges.size() == 2 && selectionModel.getSelectionStart() == startWordOffset && |
| selectionModel.getSelectionEnd() == endWordOffset) { |
| startWordOffset = Math.max(0, ranges.get(1).getStartOffset()); |
| endWordOffset = Math.min(ranges.get(1).getEndOffset(), document.getTextLength()); |
| } |
| |
| if (startWordOffset >= selectionModel.getSelectionStart() && selectionModel.getSelectionEnd() >= endWordOffset && ranges.size() == 1) { |
| startWordOffset = 0; |
| endWordOffset = document.getTextLength(); |
| } |
| selectionModel.setSelection(startWordOffset, endWordOffset); |
| } |
| } |
| |
| public static class Handler extends EditorActionHandler { |
| private final EditorActionHandler myDefaultHandler; |
| |
| public Handler(EditorActionHandler defaultHandler) { |
| super(true); |
| myDefaultHandler = defaultHandler; |
| |
| } |
| |
| @Override |
| public void doExecute(Editor editor, @Nullable Caret caret, DataContext dataContext) { |
| final IndentGuideDescriptor guide = editor.getIndentsModel().getCaretIndentGuide(); |
| final SelectionModel selectionModel = editor.getSelectionModel(); |
| if (guide != null && !selectionModel.hasSelection() && !selectionModel.hasBlockSelection() && isWhitespaceAtCaret(editor)) { |
| selectWithGuide(editor, guide); |
| } |
| else { |
| myDefaultHandler.execute(editor, caret, dataContext); |
| } |
| } |
| |
| private static boolean isWhitespaceAtCaret(Editor editor) { |
| final Document doc = editor.getDocument(); |
| |
| final int offset = editor.getCaretModel().getOffset(); |
| if (offset >= doc.getTextLength()) return false; |
| |
| final char c = doc.getCharsSequence().charAt(offset); |
| return c == ' ' || c == '\t' || c == '\n'; |
| } |
| |
| private static void selectWithGuide(Editor editor, IndentGuideDescriptor guide) { |
| final Document doc = editor.getDocument(); |
| int startOffset = editor.logicalPositionToOffset(new LogicalPosition(guide.startLine, 0)); |
| int endOffset = guide.endLine >= doc.getLineCount() ? doc.getTextLength() : doc.getLineStartOffset(guide.endLine); |
| |
| final VirtualFile file = ((EditorEx)editor).getVirtualFile(); |
| if (file != null) { |
| // Make sure selection contains closing matching brace. |
| |
| final CharSequence chars = doc.getCharsSequence(); |
| int nonWhitespaceOffset = CharArrayUtil.shiftForward(chars, endOffset, " \t\n"); |
| HighlighterIterator iterator = ((EditorEx)editor).getHighlighter().createIterator(nonWhitespaceOffset); |
| if (BraceMatchingUtil.isRBraceToken(iterator, chars, file.getFileType())) { |
| if (((EditorEx)editor).calcColumnNumber(iterator.getStart(), doc.getLineNumber(iterator.getStart())) == guide.indentLevel) { |
| endOffset = iterator.getEnd(); |
| endOffset = CharArrayUtil.shiftForward(chars, endOffset, " \t"); |
| if (endOffset < chars.length() && chars.charAt(endOffset) == '\n') endOffset++; |
| } |
| } |
| } |
| |
| editor.getSelectionModel().setSelection(startOffset, endOffset); |
| } |
| } |
| } |