From: Egon W. <eg...@us...> - 2003-07-18 12:13:52
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Update of /cvsroot/cdk/cdk/src/org/openscience/cdk/io/listener In directory sc8-pr-cvs1:/tmp/cvs-serv32606/src/org/openscience/cdk/io/listener Added Files: SwingGUIListener.java Log Message: Added Swing implementation of Reader/WriterListener --- NEW FILE: SwingGUIListener.java --- /* $RCSfile: SwingGUIListener.java,v $ * $Author: egonw $ * $Date: 2003/07/18 12:13:49 $ * $Revision: 1.1 $ * * Copyright (C) 2003 The Jmol Development Team * * Contact: cdk...@li... * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA * 02111-1307 USA. */ package org.openscience.cdk.io.listener; import org.openscience.cdk.exception.*; import org.openscience.cdk.io.ReaderEvent; import org.openscience.cdk.io.setting.*; import java.io.*; import java.util.EventListener; import java.util.Vector; import java.util.Enumeration; import java.awt.*; import javax.swing.JOptionPane; /** * Allows processing of IOSetting quesions which are passed to the user * by using Swing dialogs. * * @author Egon Willighagen <eg...@sc...> * @created 2003-07-18 */ public class SwingGUIListener implements ReaderListener, WriterListener { private BufferedReader in; private Component frame = null; private int level = 0; /** * 0 = ask no questions * 3 = ask all questions */ public SwingGUIListener(Component frame, int level) { this.level = level; this.frame = frame; this.in = new BufferedReader(new InputStreamReader(System.in)); } public void setLevel(int level) { this.level = level; } /** * Overwrites the default reader from which the input is taken. */ public void setInputReader(Reader reader) { if (reader instanceof BufferedReader) { this.in = (BufferedReader)reader; } else if (reader == null) { this.in = null; } else { this.in = new BufferedReader(reader); } } public void frameRead(ReaderEvent event) { }; public void processWriterSettingQuestion(IOSetting setting) { processIOSetting(setting); } public void processReaderSettingQuestion(IOSetting setting) { processIOSetting(setting); } /** * Processes the IOSettings by listing the question, giving the options * and asking the user to provide their choice. * * <p>Note: if the input reader is <code>null</code>, then the method * does not wait for an answer, and takes the default. */ private void processIOSetting(IOSetting setting) { // post the question if (setting.getLevel() < this.level) { String answer = setting.getSetting(); if (setting instanceof BooleanIOSetting) { BooleanIOSetting boolSet = (BooleanIOSetting)setting; int n = JOptionPane.showConfirmDialog(frame, setting.getQuestion(), setting.getName(), JOptionPane.YES_NO_OPTION); if (n == JOptionPane.YES_OPTION) { answer = "true"; } else if (n == JOptionPane.NO_OPTION) { answer = "false"; } else { // default of setting } } else if (setting instanceof OptionIOSetting) { OptionIOSetting optionSetting = (OptionIOSetting)setting; Vector settings = optionSetting.getOptions(); Enumeration elements = settings.elements(); Object[] options = new Object[settings.size()]; for (int i=0; i<options.length; i++) { options[i] = elements.nextElement(); } int n = JOptionPane.showOptionDialog(frame, setting.getQuestion(), setting.getName(), JOptionPane.DEFAULT_OPTION, JOptionPane.QUESTION_MESSAGE, null, options, setting.getSetting()); answer = (String)options[n]; } else if (setting instanceof StringIOSetting) { StringIOSetting stringSetting = (StringIOSetting)setting; answer = JOptionPane.showInputDialog(frame, setting.getQuestion(), setting.getSetting()); } else { answer = JOptionPane.showInputDialog(frame, setting.getQuestion(), setting.getSetting()); } try { setting.setSetting(answer); } catch (CDKException exception) { } } // else skip question }; } |