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