| 1 | // Copyright 2004-2007 Jean-Francois Poilpret |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | package net.sourceforge.hiveboard.command; |
| 16 | |
| 17 | import java.awt.image.BufferedImage; |
| 18 | import java.io.File; |
| 19 | import java.io.IOException; |
| 20 | import java.util.ArrayList; |
| 21 | import java.util.HashMap; |
| 22 | import java.util.List; |
| 23 | import java.util.Map; |
| 24 | |
| 25 | import javax.imageio.IIOImage; |
| 26 | import javax.imageio.ImageIO; |
| 27 | import javax.imageio.ImageWriteParam; |
| 28 | import javax.imageio.ImageWriter; |
| 29 | import javax.imageio.event.IIOWriteWarningListener; |
| 30 | import javax.imageio.stream.ImageOutputStream; |
| 31 | |
| 32 | import org.apache.commons.logging.Log; |
| 33 | import org.apache.commons.logging.LogFactory; |
| 34 | import org.jdesktop.application.Action; |
| 35 | |
| 36 | import net.sourceforge.hivegui.component.ImageSaveChooser; |
| 37 | import net.sourceforge.hivegui.component.OverwriteFileConfirmer; |
| 38 | import net.sourceforge.hivegui.message.UserChoice; |
| 39 | |
| 40 | /** |
| 41 | * @author Jean-Francois Poilpret |
| 42 | */ |
| 43 | public class SaveBoardCommands extends AbstractCommandHolder |
| 44 | { |
| 45 | static private final Log _logger = LogFactory.getLog(SaveBoardCommands.class); |
| 46 | |
| 47 | public SaveBoardCommands(ImageSaveChooser chooser) |
| 48 | { |
| 49 | _chooser = chooser; |
| 50 | _chooser.setOverwriteFileConfirmer(new OverwriteFileConfirmer() |
| 51 | { |
| 52 | public boolean confirm(File file) |
| 53 | { |
| 54 | return showMessage( "confirm-overwrite-file", |
| 55 | file.getName()) == UserChoice.YES; |
| 56 | } |
| 57 | }); |
| 58 | } |
| 59 | |
| 60 | @Action(enabledProperty = DRAW_BOARD_SELECTED) |
| 61 | public void saveBoard() |
| 62 | { |
| 63 | doSave(false); |
| 64 | } |
| 65 | |
| 66 | @Action(enabledProperty = DRAW_BOARD_SELECTED) |
| 67 | public void saveBoardAs() |
| 68 | { |
| 69 | doSave(true); |
| 70 | } |
| 71 | |
| 72 | protected void doSave(boolean saveAs) |
| 73 | { |
| 74 | if (_guiContext.getImageModel() != null) |
| 75 | { |
| 76 | int board = _guiContext.getDrawBoard().getId(); |
| 77 | try |
| 78 | { |
| 79 | if ( saveAs |
| 80 | || !_boardFiles.containsKey(board)) |
| 81 | { |
| 82 | // Show file save dialog |
| 83 | saveAs(); |
| 84 | } |
| 85 | else |
| 86 | { |
| 87 | save(); |
| 88 | } |
| 89 | } |
| 90 | catch (IOException e) |
| 91 | { |
| 92 | _logger.error("doExecute()", e); |
| 93 | BoardFile info = _boardFiles.get(board); |
| 94 | showMessage("io-error-when-saving", |
| 95 | info.getFile().getName(), |
| 96 | e, |
| 97 | e.getMessage()); |
| 98 | } |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | protected void saveAs() throws IOException |
| 103 | { |
| 104 | BufferedImage image = _guiContext.getImageModel().getImage(); |
| 105 | _chooser.setImage(image); |
| 106 | _chooser.setContext(_context); |
| 107 | |
| 108 | if (!_application.showDialog(_chooser)) |
| 109 | { |
| 110 | return; |
| 111 | } |
| 112 | |
| 113 | // Get File Path |
| 114 | ImageWriter writer = _chooser.getImageWriter(); |
| 115 | if (writer == null) |
| 116 | { |
| 117 | _logger.error("saveAs() no ImageWriter found"); |
| 118 | showMessage("unexpected-error"); |
| 119 | return; |
| 120 | } |
| 121 | ImageWriteParam params = _chooser.getImageWriteParam(); |
| 122 | File file = _chooser.getSelectedFile(); |
| 123 | _logger.debug("saveAs() selected file = " + file); |
| 124 | |
| 125 | _boardFiles.put(_guiContext.getDrawBoard().getId(), |
| 126 | new BoardFile(writer, params, file)); |
| 127 | // Transform into required format |
| 128 | save(); |
| 129 | } |
| 130 | |
| 131 | protected void save() throws IOException |
| 132 | { |
| 133 | int board = _guiContext.getDrawBoard().getId(); |
| 134 | BoardFile info = _boardFiles.get(board); |
| 135 | ImageWriter writer = info.getWriter(); |
| 136 | ImageWriteParam param = info.getWriteParam(); |
| 137 | File file = info.getFile(); |
| 138 | BufferedImage image = _guiContext.getImageModel().getImage(); |
| 139 | _warnings.reset(); |
| 140 | // Transform into required format |
| 141 | ImageOutputStream ios = ImageIO.createImageOutputStream(file); |
| 142 | writer.addIIOWriteWarningListener(_warnings); |
| 143 | writer.setOutput(ios); |
| 144 | writer.write(null, new IIOImage(image, null, null), param); |
| 145 | ios.flush(); |
| 146 | ios.close(); |
| 147 | |
| 148 | if (_warnings.hasWarnings()) |
| 149 | { |
| 150 | StringBuffer warn = new StringBuffer(); |
| 151 | String[] warnings = _warnings.getWarnings(); |
| 152 | _logger.debug("save() ImageWriter raised warnings for file " + file.getName()); |
| 153 | // Concatenate all warnings into one string with \n |
| 154 | for (int i = 0; i < warnings.length; i++) |
| 155 | { |
| 156 | _logger.debug("Warning: " + warnings[i]); |
| 157 | warn.append('\n'); |
| 158 | warn.append(warnings[i]); |
| 159 | } |
| 160 | showMessage("warning-when-saving", file.getName(), warn.toString()); |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | static protected class BoardFile |
| 165 | { |
| 166 | public BoardFile( ImageWriter writer, |
| 167 | ImageWriteParam param, |
| 168 | File file) |
| 169 | { |
| 170 | _writer = writer; |
| 171 | _param = param; |
| 172 | _file = file; |
| 173 | } |
| 174 | |
| 175 | public ImageWriter getWriter() |
| 176 | { |
| 177 | return _writer; |
| 178 | } |
| 179 | |
| 180 | public ImageWriteParam getWriteParam() |
| 181 | { |
| 182 | return _param; |
| 183 | } |
| 184 | |
| 185 | public File getFile() |
| 186 | { |
| 187 | return _file; |
| 188 | } |
| 189 | |
| 190 | private final ImageWriter _writer; |
| 191 | private final ImageWriteParam _param; |
| 192 | private final File _file; |
| 193 | } |
| 194 | |
| 195 | static protected class ImageWriterWarning implements IIOWriteWarningListener |
| 196 | { |
| 197 | public void reset() |
| 198 | { |
| 199 | _warnings.clear(); |
| 200 | } |
| 201 | |
| 202 | public boolean hasWarnings() |
| 203 | { |
| 204 | return !_warnings.isEmpty(); |
| 205 | } |
| 206 | |
| 207 | public String[] getWarnings() |
| 208 | { |
| 209 | return _warnings.toArray(new String[_warnings.size()]); |
| 210 | } |
| 211 | |
| 212 | public void warningOccurred(ImageWriter source, int imageIndex, String warning) |
| 213 | { |
| 214 | _warnings.add(warning); |
| 215 | } |
| 216 | |
| 217 | private List<String> _warnings = new ArrayList<String>(); |
| 218 | } |
| 219 | |
| 220 | protected final ImageSaveChooser _chooser; |
| 221 | protected final Map<Integer, BoardFile> _boardFiles = new HashMap<Integer, BoardFile>(); |
| 222 | protected final ImageWriterWarning _warnings = new ImageWriterWarning(); |
| 223 | } |