001//////////////////////////////////////////////////////////////////////////////// 002// checkstyle: Checks Java source code for adherence to a set of rules. 003// Copyright (C) 2001-2016 the original author or authors. 004// 005// This library is free software; you can redistribute it and/or 006// modify it under the terms of the GNU Lesser General Public 007// License as published by the Free Software Foundation; either 008// version 2.1 of the License, or (at your option) any later version. 009// 010// This library is distributed in the hope that it will be useful, 011// but WITHOUT ANY WARRANTY; without even the implied warranty of 012// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 013// Lesser General Public License for more details. 014// 015// You should have received a copy of the GNU Lesser General Public 016// License along with this library; if not, write to the Free Software 017// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 018//////////////////////////////////////////////////////////////////////////////// 019 020package com.puppycrawl.tools.checkstyle.gui; 021 022import java.awt.Color; 023import java.util.List; 024 025import javax.swing.JTextArea; 026 027import com.puppycrawl.tools.checkstyle.api.DetailAST; 028 029/** 030 * Helper class to select a code. 031 * @author unknown 032 */ 033public class CodeSelector { 034 /** Editor. */ 035 private final JTextArea editor; 036 /** Presentation model. */ 037 private final CodeSelectorPModel pModel; 038 039 /** 040 * Constructor. 041 * @param ast ast node. 042 * @param editor text area editor. 043 * @param lines2position list to map lines. 044 */ 045 public CodeSelector(final DetailAST ast, final JTextArea editor, 046 final List<Integer> lines2position) { 047 this.editor = editor; 048 pModel = new CodeSelectorPModel(ast, lines2position); 049 } 050 051 /** 052 * Set selection. 053 */ 054 public void select() { 055 pModel.findSelectionPositions(); 056 editor.setSelectedTextColor(Color.blue); 057 editor.requestFocusInWindow(); 058 editor.setCaretPosition(pModel.getSelectionStart()); 059 editor.moveCaretPosition(pModel.getSelectionEnd()); 060 } 061}