git.gag.com Git - sw/motorsim/blob - gui/com/billkuker/rocketry/motorsim/visual/MultiObjectEditor.java

   1 package com.billkuker.rocketry.motorsim.visual;\r
   2 import java.awt.Component;\r
   3 import java.awt.FileDialog;\r
   4 import java.awt.Frame;\r
   5 import java.awt.event.ActionEvent;\r
   6 import java.awt.event.ActionListener;\r
   7 import java.io.File;\r
   8 import java.io.IOException;\r
   9 import java.util.HashMap;\r
  10 import java.util.HashSet;\r
  11 import java.util.List;\r
  12 import java.util.Map;\r
  13 import java.util.Set;\r
  14 import java.util.Vector;\r
  15 \r
  16 import javax.swing.JComponent;\r
  17 import javax.swing.JMenu;\r
  18 import javax.swing.JMenuItem;\r
  19 import javax.swing.JOptionPane;\r
  20 import javax.swing.JSeparator;\r
  21 import javax.swing.JTabbedPane;\r
  22 \r
  23 import org.apache.log4j.Logger;\r
  24 \r
  25 \r
  26 public abstract class MultiObjectEditor<OBJECT, EDITOR extends Component> extends JTabbedPane {\r
  27 \r
  28         private static final long serialVersionUID = 1L;\r
  29 \r
  30         private static final Logger log = Logger.getLogger(MultiObjectEditor.class);\r
  31         \r
  32         protected abstract class ObjectCreator {\r
  33                 public abstract OBJECT newObject();\r
  34                 public abstract String getName();\r
  35         }\r
  36         \r
  37         protected final Frame frame;\r
  38         \r
  39         private final String noun;\r
  40         \r
  41         private List<ObjectCreator> creators = new Vector<ObjectCreator>();\r
  42         \r
  43         private final Map<OBJECT, EDITOR> objectToEditor = new HashMap<OBJECT, EDITOR>();\r
  44         private final Map<EDITOR, OBJECT> editorToObject = new HashMap<EDITOR, OBJECT>();\r
  45         private final Map<File, EDITOR> fileToEditor = new HashMap<File, EDITOR>();\r
  46         private final Map<EDITOR, File> editorToFile = new HashMap<EDITOR, File>();\r
  47         \r
  48         \r
  49         private final Set<OBJECT> dirty = new HashSet<OBJECT>();\r
  50         \r
  51         public MultiObjectEditor(final Frame frame, final String noun){\r
  52                 this.frame = frame;\r
  53                 this.noun = " " + noun.trim();\r
  54         }\r
  55         \r
  56         protected boolean has(OBJECT o){\r
  57                 return objectToEditor.containsKey(o);\r
  58         }\r
  59         \r
  60         protected void objectAdded(OBJECT o, EDITOR e){}\r
  61         \r
  62         protected void objectRemoved(OBJECT o, EDITOR e){}\r
  63         \r
  64         protected final void addCreator(ObjectCreator c){\r
  65                 creators.add(c);\r
  66         }\r
  67         \r
  68         public final void dirty(final OBJECT o){\r
  69                 if ( !dirty.contains(o) )\r
  70                         setTitleAt(indexOfComponent(objectToEditor.get(o)), "*" + getTitleAt(indexOfComponent(objectToEditor.get(o))));\r
  71                 dirty.add(o);\r
  72         }\r
  73         \r
  74         public final void dirty(final EDITOR e){\r
  75                 dirty(editorToObject.get(e));\r
  76         }\r
  77         \r
  78         private final void undirty(final OBJECT o){\r
  79                 if ( dirty.contains(o) )\r
  80                         setTitleAt(indexOfComponent(objectToEditor.get(o)), getTitleAt(indexOfComponent(objectToEditor.get(o))).replaceAll("^\\*", ""));\r
  81                 dirty.remove(o);\r
  82         }\r
  83         \r
  84         public JMenu getMenu(){\r
  85                 JMenu ret = new JMenu("File");\r
  86                 for ( JComponent i : getMenuItems() )\r
  87                         ret.add(i);\r
  88                 return ret;\r
  89         }\r
  90         \r
  91         private void menuNew(ObjectCreator c){\r
  92                 add(c.newObject());\r
  93         }\r
  94         \r
  95         @SuppressWarnings("unchecked")\r
  96         public EDITOR getSelectedEditor(){\r
  97                 try {\r
  98                         return (EDITOR)super.getSelectedComponent();\r
  99                 } catch ( ClassCastException e ){\r
 100                         return null;\r
 101                 }\r
 102         }\r
 103         \r
 104         private void close(){\r
 105                 EDITOR e = getSelectedEditor();\r
 106                 OBJECT o = editorToObject.get(e);\r
 107                 File f = editorToFile.get(e);\r
 108                 \r
 109                 if ( dirty.contains(o) ){\r
 110                          int response = JOptionPane.showConfirmDialog(this, "Object is unsaved. Save Before Closing?", "Confirm", JOptionPane.YES_NO_CANCEL_OPTION);\r
 111                          if ( response == JOptionPane.YES_OPTION ){\r
 112                                  saveDialog();\r
 113                          } else if ( response == JOptionPane.CANCEL_OPTION ){\r
 114                                  return;\r
 115                          }\r
 116                 }\r
 117                 \r
 118                 objectToEditor.remove(o);\r
 119                 editorToObject.remove(e);\r
 120                 fileToEditor.remove(f);\r
 121                 editorToFile.remove(e);\r
 122                 objectRemoved(o, e);\r
 123                 remove(e);\r
 124         }\r
 125         \r
 126         private void saveDialog(){\r
 127                 EDITOR e = getSelectedEditor();\r
 128                 if ( !editorToFile.containsKey(e) ){\r
 129                         log.debug("Editor has no file, saving as...");\r
 130                         saveAsDialog();\r
 131                         return;\r
 132                 }\r
 133                 File file = editorToFile.get(e);\r
 134                 log.debug("Saving to " + file.getAbsolutePath());\r
 135                 try {\r
 136                         saveToFile(editorToObject.get(e), file);\r
 137                         undirty(editorToObject.get(e));\r
 138                 } catch (IOException e1) {\r
 139                         errorDialog(e1);\r
 140                 }\r
 141         }\r
 142         private void saveAsDialog(){\r
 143                 EDITOR e = getSelectedEditor();\r
 144                 final FileDialog fd = new FileDialog(frame, "Save" + noun + " As", FileDialog.SAVE);\r
 145                 fd.setVisible(true);\r
 146                 if (fd.getFile() != null ) {\r
 147                         File file = new File(fd.getDirectory() + fd.getFile());\r
 148                         try {\r
 149                                 OBJECT o = editorToObject.get(e);\r
 150                                 saveToFile(o, file);\r
 151                                 undirty(o);\r
 152                                 objectToEditor.put(o, e);\r
 153                                 editorToObject.put(e, o);\r
 154                                 fileToEditor.put(file, e);\r
 155                                 editorToFile.put(e, file);\r
 156                                 setTitleAt(\r
 157                                                 getSelectedIndex(),\r
 158                                                 file.getName());\r
 159                         } catch (Exception e1) {\r
 160                                 errorDialog(e1);\r
 161                         }\r
 162                 }\r
 163         }\r
 164         \r
 165         private void openDialog(){\r
 166                 final FileDialog fd = new FileDialog(frame, "Open" + noun + "...", FileDialog.LOAD);\r
 167                 fd.setVisible(true);\r
 168                 if ( fd.getFile() != null ) {\r
 169                         File file = new File(fd.getDirectory() + fd.getFile());\r
 170                         log.debug("Opening File " + file.getAbsolutePath());\r
 171                         if ( fileToEditor.containsKey(file) ){\r
 172                                 log.debug("File " + file.getAbsolutePath() + "Already open, focusing");\r
 173                                 setSelectedComponent(fileToEditor.get(file));\r
 174                                 return;\r
 175                         }\r
 176                         try {\r
 177                                 OBJECT o = loadFromFile(file);\r
 178                                 EDITOR e = createEditor(o);\r
 179                                 objectToEditor.put(o, e);\r
 180                                 editorToObject.put(e, o);\r
 181                                 fileToEditor.put(file, e);\r
 182                                 editorToFile.put(e, file);\r
 183                                 addTab(file.getName(), e);      \r
 184                                 objectAdded(o, e);\r
 185                         } catch (Exception e) {\r
 186                                 errorDialog(e);\r
 187                         }\r
 188                 }\r
 189         }\r
 190         \r
 191         public final List<JComponent> getMenuItems(){\r
 192                 List<JComponent> ret = new Vector<JComponent>();\r
 193                 if ( creators.size() == 1 ){\r
 194                         final ObjectCreator c = creators.get(0);\r
 195                         ret.add(new JMenuItem("New " + c.getName()){\r
 196                                 private static final long serialVersionUID = 1L;\r
 197                                 {\r
 198                                         addActionListener(new ActionListener() {\r
 199                                                 @Override\r
 200                                                 public void actionPerformed(ActionEvent ae) {\r
 201                                                         log.debug("New");\r
 202                                                         menuNew(c);\r
 203                                                 }\r
 204                                         });\r
 205                                 }\r
 206                         });\r
 207                 } else {\r
 208                         ret.add(new JMenu("New"){\r
 209                                 private static final long serialVersionUID = 1L;\r
 210                                 {\r
 211                                         for (final ObjectCreator c : creators ){\r
 212                                                 add(new JMenuItem("New " + c.getName()){\r
 213                                                         private static final long serialVersionUID = 1L;\r
 214                                                         {\r
 215                                                                 addActionListener(new ActionListener() {\r
 216                                                                         @Override\r
 217                                                                         public void actionPerformed(ActionEvent ae) {\r
 218                                                                                 log.debug("New");\r
 219                                                                                 menuNew(c);\r
 220                                                                         }\r
 221                                                                 });\r
 222                                                         }\r
 223                                                 });\r
 224                                         }\r
 225                                 }\r
 226                         });\r
 227                 }\r
 228                 ret.add(new JMenuItem("Open" + noun + "..."){\r
 229                                 private static final long serialVersionUID = 1L;\r
 230                                 {\r
 231                                         addActionListener(new ActionListener() {\r
 232                                                 @Override\r
 233                                                 public void actionPerformed(ActionEvent ae) {\r
 234                                                         log.debug("Open...");\r
 235                                                         openDialog();\r
 236                                                 }\r
 237                                         });\r
 238                                 }\r
 239                         });\r
 240                 ret.add(new JMenuItem("Close" + noun){\r
 241                         private static final long serialVersionUID = 1L;\r
 242                         {\r
 243                                 addActionListener(new ActionListener() {\r
 244                                         @Override\r
 245                                         public void actionPerformed(ActionEvent ae) {\r
 246                                                 log.debug("Close");\r
 247                                                 close();\r
 248                                         }\r
 249                                 });\r
 250                         }\r
 251                 });\r
 252                 ret.add(new JSeparator());\r
 253                 ret.add(new JMenuItem("Save" + noun){\r
 254                         private static final long serialVersionUID = 1L;\r
 255                         {\r
 256                                 addActionListener(new ActionListener() {\r
 257                                         @Override\r
 258                                         public void actionPerformed(ActionEvent ae) {\r
 259                                                 log.debug("Save");\r
 260                                                 saveDialog();\r
 261                                         }\r
 262                                 });\r
 263                         }\r
 264                 });\r
 265                 ret.add(new JMenuItem("Save" + noun + " As..."){\r
 266                         private static final long serialVersionUID = 1L;\r
 267                         {\r
 268                                 addActionListener(new ActionListener() {\r
 269                                         @Override\r
 270                                         public void actionPerformed(ActionEvent ae) {\r
 271                                                 log.debug("Save As...");\r
 272                                                 saveAsDialog();\r
 273                                         }\r
 274                                 });\r
 275                         }\r
 276                 });\r
 277                 return ret;\r
 278         }\r
 279 \r
 280         protected final void add(final OBJECT o){\r
 281                 EDITOR e = createEditor(o);\r
 282                 objectToEditor.put(o, e);\r
 283                 editorToObject.put(e, o);\r
 284                 addTab("new", e);\r
 285                 dirty(o);\r
 286                 objectAdded(o, e);\r
 287         }\r
 288         \r
 289         protected final void add(final OBJECT o, final File f){\r
 290                 EDITOR e = createEditor(o);\r
 291                 objectToEditor.put(o, e);\r
 292                 editorToObject.put(e, o);\r
 293                 fileToEditor.put(f, e);\r
 294                 editorToFile.put(e, f);\r
 295                 addTab(f.getName(), e);\r
 296                 objectAdded(o, e);\r
 297         }\r
 298         \r
 299         public final void load(final File f) throws IOException{\r
 300                 OBJECT o = loadFromFile(f);\r
 301                 EDITOR e = createEditor(o);\r
 302                 objectToEditor.put(o, e);\r
 303                 editorToObject.put(e, o);\r
 304                 fileToEditor.put(f, e);\r
 305                 editorToFile.put(e, f);\r
 306                 addTab(f.getName(), e);\r
 307                 objectAdded(o, e);\r
 308         }\r
 309         \r
 310         public abstract EDITOR createEditor(final OBJECT o);\r
 311         \r
 312         protected abstract OBJECT loadFromFile(final File f) throws IOException;\r
 313         \r
 314         protected abstract void saveToFile(final OBJECT o, final File f) throws IOException;\r
 315 \r
 316         \r
 317         private final void errorDialog(final Throwable t){\r
 318                 t.printStackTrace();\r
 319                 JOptionPane.showMessageDialog(MultiObjectEditor.this, t.getClass().getSimpleName() + ": " + t.getMessage());\r
 320         }\r
 321 }\r