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