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