| 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.drawing; |
| 16 | |
| 17 | import java.awt.Color; |
| 18 | import java.awt.event.ItemEvent; |
| 19 | import java.awt.event.ItemListener; |
| 20 | import java.awt.image.BufferedImage; |
| 21 | import java.beans.PropertyChangeEvent; |
| 22 | import java.beans.PropertyChangeListener; |
| 23 | import java.io.File; |
| 24 | import java.io.IOException; |
| 25 | import java.util.Hashtable; |
| 26 | |
| 27 | import javax.imageio.ImageIO; |
| 28 | import javax.swing.JCheckBox; |
| 29 | import javax.swing.JComponent; |
| 30 | import javax.swing.JLabel; |
| 31 | import javax.swing.JPanel; |
| 32 | import javax.swing.JSlider; |
| 33 | import javax.swing.JSpinner; |
| 34 | import javax.swing.border.CompoundBorder; |
| 35 | import javax.swing.border.EmptyBorder; |
| 36 | import javax.swing.border.LineBorder; |
| 37 | import javax.swing.event.ChangeEvent; |
| 38 | import javax.swing.event.ChangeListener; |
| 39 | |
| 40 | import org.apache.commons.logging.Log; |
| 41 | import org.apache.commons.logging.LogFactory; |
| 42 | import org.jdesktop.application.Resource; |
| 43 | import org.jdesktop.application.ResourceMap; |
| 44 | |
| 45 | import net.sourceforge.hiveboard.util.OutlineThumbnail; |
| 46 | import net.sourceforge.hivegui.application.HiveGuiApplicationMain; |
| 47 | |
| 48 | import zappini.designgridlayout.DesignGridLayout; |
| 49 | |
| 50 | /** |
| 51 | * Special accessory panel to be added to ImageToolMainPanel in order to allow |
| 52 | * user to select parameters of image insertion (transparency, size, scaling...) |
| 53 | */ |
| 54 | //CSOFF: ClassDataAbstractionCouplingCheck |
| 55 | public class ImageToolSettingsPanel extends JPanel |
| 56 | implements PropertyChangeListener |
| 57 | { |
| 58 | static final private Log _logger = LogFactory.getLog(ImageToolSettingsPanel.class); |
| 59 | |
| 60 | static final private String NAME = "image-tool-settings"; |
| 61 | |
| 62 | public ImageToolSettingsPanel( ImageCompositor compositor, |
| 63 | boolean realTimePreview) |
| 64 | { |
| 65 | super(); |
| 66 | _handler = new ImageToolSettingsPanelHandler( _displaySettings, |
| 67 | _thbPreview, |
| 68 | _txfX, |
| 69 | _txfY, |
| 70 | _txfWidth, |
| 71 | _txfHeight, |
| 72 | compositor, |
| 73 | realTimePreview); |
| 74 | setName(NAME); |
| 75 | setComponentNames(); |
| 76 | initComponents(); |
| 77 | layoutPanel(); |
| 78 | } |
| 79 | |
| 80 | // ======================== START OF PUBLIC API ======================== // |
| 81 | public void setApplication(HiveGuiApplicationMain application) |
| 82 | { |
| 83 | _application = application; |
| 84 | ResourceMap map = _application.getContext().getResourceMap(getClass()); |
| 85 | map.injectComponents(this); |
| 86 | map.injectFields(this); |
| 87 | _lblTransparent.setText(_transparent); |
| 88 | _lblOpaque.setText(_opaque); |
| 89 | Hashtable<Integer, JComponent> labels = new Hashtable<Integer, JComponent>(); |
| 90 | labels.put(MIN_ALPHA, _lblTransparent); |
| 91 | labels.put(MAX_ALPHA, _lblOpaque); |
| 92 | _alpha.setLabelTable(labels); |
| 93 | _alpha.setPaintLabels(true); |
| 94 | } |
| 95 | |
| 96 | public void setSourceImage(BufferedImage image) |
| 97 | { |
| 98 | _handler.setSourceImage(image); |
| 99 | updateState(); |
| 100 | } |
| 101 | |
| 102 | public void reset() |
| 103 | { |
| 104 | _handler.reset(); |
| 105 | } |
| 106 | |
| 107 | public ImageToolSettings getUserSettings() |
| 108 | { |
| 109 | initSettings(_settings); |
| 110 | _settings.setInsertArea(_handler.getSpinnersArea()); |
| 111 | return _settings; |
| 112 | } |
| 113 | // ======================== END OF PUBLIC API ======================== // |
| 114 | |
| 115 | // ======================== START OF INTERNAL EVENT CALLBACKS ======================== // |
| 116 | // Callback notifying a change of image file selection |
| 117 | public void propertyChange(PropertyChangeEvent e) |
| 118 | { |
| 119 | File selectedFile = (File) e.getNewValue(); |
| 120 | BufferedImage selection = null; |
| 121 | if (selectedFile != null) |
| 122 | { |
| 123 | try |
| 124 | { |
| 125 | // Read selected image |
| 126 | selection = ImageIO.read(selectedFile); |
| 127 | } |
| 128 | catch (IOException ex) |
| 129 | { |
| 130 | // Log error |
| 131 | _logger.error("propertyChange() on file " + selectedFile, ex); |
| 132 | // Show message to user |
| 133 | _application.showMessage( "io-error-when-reading", |
| 134 | selectedFile.getName(), |
| 135 | ex, |
| 136 | ex.getMessage()); |
| 137 | selection = null; |
| 138 | } |
| 139 | } |
| 140 | _handler.setSelectedImage(selection); |
| 141 | } |
| 142 | |
| 143 | private void updateState() |
| 144 | { |
| 145 | initSettings(_displaySettings); |
| 146 | _chkAspectRatio.setEnabled(_chkScale.isSelected()); |
| 147 | _alpha.setEnabled(_chkUserAlpha.isSelected()); |
| 148 | _handler.stateChanged(); |
| 149 | } |
| 150 | |
| 151 | private void initSettings(ImageToolSettings settings) |
| 152 | { |
| 153 | settings.setScaled(_chkScale.isSelected()); |
| 154 | settings.setKeepAspect(_chkAspectRatio.isSelected()); |
| 155 | settings.setUserAlpha(_chkUserAlpha.isSelected()); |
| 156 | settings.setAlpha(_alpha.getValue() / (float) MAX_ALPHA); |
| 157 | } |
| 158 | // ======================== END OF INTERNAL EVENT CALLBACKS ======================== // |
| 159 | |
| 160 | // ======================== START OF INTERNAL API FOR VIEW ======================== // |
| 161 | private void setComponentNames() |
| 162 | { |
| 163 | _thbPreview.setName(NAME + "-preview"); |
| 164 | _lblX.setName(NAME + "-x-label"); |
| 165 | _txfX.setName(NAME + "-x"); |
| 166 | _lblY.setName(NAME + "-y-label"); |
| 167 | _txfY.setName(NAME + "-y"); |
| 168 | _lblWidth.setName(NAME + "-width-label"); |
| 169 | _txfWidth.setName(NAME + "-width"); |
| 170 | _lblHeight.setName(NAME + "-height-label"); |
| 171 | _txfHeight.setName(NAME + "-height"); |
| 172 | _chkScale.setName(NAME + "-scale"); |
| 173 | _chkAspectRatio.setName(NAME + "-aspect-ratio"); |
| 174 | _chkUserAlpha.setName(NAME + "-user-alpha"); |
| 175 | _alpha.setName(NAME + "-alpha"); |
| 176 | } |
| 177 | |
| 178 | // Initializes components once (view-controller) |
| 179 | private void initComponents() |
| 180 | { |
| 181 | _alpha.setOrientation(JSlider.HORIZONTAL); |
| 182 | _alpha.setMinorTickSpacing(ALPHA_MIN_TICK); |
| 183 | _alpha.setMajorTickSpacing(ALPHA_MAX_TICK); |
| 184 | _alpha.setPaintTicks(true); |
| 185 | |
| 186 | _chkScale.setSelected(false); |
| 187 | _chkAspectRatio.setSelected(true); |
| 188 | _chkUserAlpha.setSelected(true); |
| 189 | _alpha.setValue(DEFAULT_ALPHA); |
| 190 | |
| 191 | // Add listeners for automatic enabling |
| 192 | // Add listeners for notifying the zone-drag listener on aspect ratio |
| 193 | ItemListener listener = new ItemListener() |
| 194 | { |
| 195 | public void itemStateChanged(ItemEvent e) |
| 196 | { |
| 197 | updateState(); |
| 198 | } |
| 199 | }; |
| 200 | _chkScale.addItemListener(listener); |
| 201 | _chkUserAlpha.addItemListener(listener); |
| 202 | _chkAspectRatio.addItemListener(listener); |
| 203 | |
| 204 | // Add listeners for real-time preview |
| 205 | ChangeListener updatePreviewListener = new ChangeListener() |
| 206 | { |
| 207 | public void stateChanged(ChangeEvent e) |
| 208 | { |
| 209 | updateState(); |
| 210 | } |
| 211 | }; |
| 212 | _alpha.addChangeListener(updatePreviewListener); |
| 213 | } |
| 214 | |
| 215 | private void layoutPanel() |
| 216 | { |
| 217 | setBorder(new CompoundBorder( new EmptyBorder(0, 2, 0, 2), |
| 218 | new LineBorder(Color.GRAY, 1))); |
| 219 | _thbPreview.setBorder(new LineBorder(Color.GRAY)); |
| 220 | |
| 221 | DesignGridLayout layout = new DesignGridLayout(this); |
| 222 | setLayout(layout); |
| 223 | |
| 224 | _lblWidth.setHorizontalAlignment(JLabel.RIGHT); |
| 225 | _lblHeight.setHorizontalAlignment(JLabel.RIGHT); |
| 226 | layout.row().center().add(_thbPreview); |
| 227 | layout.row().height(GAP_THUMBNAIL); |
| 228 | layout.row().label(_lblX).add(_txfX, 2).add(_lblWidth).add(_txfWidth, 2); |
| 229 | layout.row().label(_lblY).add(_txfY, 2).add(_lblHeight).add(_txfHeight, 2); |
| 230 | layout.row().add(_chkScale, _chkAspectRatio); |
| 231 | layout.row().add(_chkUserAlpha); |
| 232 | layout.row().center().add(_alpha); |
| 233 | } |
| 234 | |
| 235 | // ======================== END OF INTERNAL API FOR VIEW ======================== // |
| 236 | |
| 237 | static final private int PREVIEW_SIZE = 200; |
| 238 | static final private int GAP_THUMBNAIL = 18; |
| 239 | static final private int MIN_ALPHA = 0; |
| 240 | static final private int MAX_ALPHA = 255; |
| 241 | static final private int DEFAULT_ALPHA = 255; |
| 242 | static final private int ALPHA_MIN_TICK = 17; |
| 243 | static final private int ALPHA_MAX_TICK = 85; |
| 244 | |
| 245 | private HiveGuiApplicationMain _application; |
| 246 | private ImageToolSettingsPanelHandler _handler; |
| 247 | |
| 248 | // Settings are created only once on the heap |
| 249 | final private ImageToolSettings _settings = new ImageToolSettings(); |
| 250 | final private ImageToolSettings _displaySettings = new ImageToolSettings(); |
| 251 | |
| 252 | // All Swing components in the panel (besides labels) |
| 253 | final private OutlineThumbnail _thbPreview = new OutlineThumbnail(PREVIEW_SIZE); |
| 254 | final private JLabel _lblX = new JLabel(); |
| 255 | final private JSpinner _txfX = new JSpinner(); |
| 256 | final private JLabel _lblY = new JLabel(); |
| 257 | final private JSpinner _txfY = new JSpinner(); |
| 258 | final private JLabel _lblWidth = new JLabel(); |
| 259 | final private JSpinner _txfWidth = new JSpinner(); |
| 260 | final private JLabel _lblHeight = new JLabel(); |
| 261 | final private JSpinner _txfHeight = new JSpinner(); |
| 262 | final private JCheckBox _chkScale = new JCheckBox(); |
| 263 | final private JCheckBox _chkAspectRatio = new JCheckBox(); |
| 264 | final private JCheckBox _chkUserAlpha = new JCheckBox(); |
| 265 | final private JSlider _alpha = new JSlider(MIN_ALPHA, MAX_ALPHA); |
| 266 | final private JLabel _lblTransparent = new JLabel(); |
| 267 | @Resource(key = NAME + "-alpha-transparent-label") |
| 268 | private String _transparent; |
| 269 | final private JLabel _lblOpaque = new JLabel(); |
| 270 | @Resource(key = NAME + "-alpha-opaque-label") |
| 271 | private String _opaque; |
| 272 | } |
| 273 | //CSON: ClassDataAbstractionCouplingCheck |