oyoahadefaultfilesystemadaptor.java

java 开源,Swing外观：JGoodies look & feel. ... JGoodies look&feels让你的Swing 应用程序与applets看起来更漂亮.

        {
            o.toString();
        }

        return null;
    }

  public Color getColor(File file)
  {
    Hashtable table = getFileInformation();

    String type = getType(file, false);

    if(type==null)
    {
      return null;
    }

    Object o = table.get(type+"_color");

    if(o==null)
    {
      return null;
    }

    if(o instanceof Color)
    {
      return (Color)o;
    }

    if(o instanceof String)
    {
      Color c = OyoahaThemeLoaderUtilities.readColor((String)o);
      table.put(type+"_color", c);
      return c;
    }

    return null;
  }

  public Boolean isTraversable(File file)
  {
    if (file.isDirectory() || file instanceof OyoahaVectorFolder)
    {
      return Boolean.TRUE;
    }
    else
    {
      return Boolean.FALSE;
    }
  }

  public Boolean isHidden(File file)
  {
    String name = file.getName();

    if(name != null && name.charAt(0) == '.')
    {
      return Boolean.TRUE;
    }
    else
    {
      return Boolean.FALSE;
    }
  }

  public Icon getIcon(File file)
  {
    Hashtable table = getFileInformation();

    if(file instanceof OyoahaVectorFolder)
    {
      return (Icon)table.get("folder_icon");
    }

    String type = getType(file, false);

    if(type==null) //normaly impossible
    {
      if(file.isDirectory())
      type = OyoahaFileView.FOLDER_TYPE;
      else
      type = OyoahaFileView.FILE_TYPE;
    }

    Object o = table.get(type+"_icon");

    if(o==null)
    {
      if(file.isDirectory())
      return (Icon)table.get("folder_icon");
      else
      return (Icon)table.get("file_icon");
    }

    if(o instanceof Icon)
    {
      return (Icon)o;
    }

    if(o instanceof String)
    {
      //TODO try to load from file?

      try
      {
        ImageIcon icon = new OyoahaImageIcon(getClass().getResource("/com/oyoaha/swing/plaf/oyoaha/rc/"+o), (String)o);
        table.put(type+"_icon", icon);
        return icon;
      }
      catch(Exception e)
      {
        //remove from table
        table.remove(type+"_icon");
      }
    }

    return (Icon)table.get("file_icon");
  }

  //- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  // FILE ROUTINE
  //- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

  protected static Hashtable extraFile; //-> File : type (extraFile can be desktop or floppy drive)
  protected static Hashtable fileType; //-> extention/file/string : type
  protected static Hashtable fileInformation; //-> type + _foo : Object (String/Icon/Color)

  /**
   *
   * //->windows
   *
   * //->"desktop = File"
   * //->"doc = File"
   * //->"web = File"
   * //->"app = File"
   *
   */
  public static Hashtable getExtraFile()
  {
    //load only root by default
    if(extraFile==null)
    {
      extraFile = new Hashtable();

      File load = new File(System.getProperty("user.home"), ".filechooser" + File.separator + "extra.ini");

      if(load.exists()) //erase old version
      {
        load.delete();
      }

      //try to whish...
      String os = System.getProperty("os.name");
      os = os.toLowerCase();

      if(os.startsWith("windows"))
      {
        ResourceBundle bundle = ResourceBundle.getBundle("com.oyoaha.swing.plaf.oyoaha.filechooser.windowsFilename");

        File desktopRoot = new File(System.getProperty("user.home"));

        File desktop = new File(desktopRoot, bundle.getString(OyoahaFileView.DESKTOP_TYPE));

        if(desktop.exists())
        {
          extraFile.put(desktop, OyoahaFileView.DESKTOP_TYPE);
        }

        //doc...
        File doc = new File(desktopRoot, bundle.getString(OyoahaFileView.MY_DOCUMENT_TYPE));

        if(doc.exists())
        {
          extraFile.put(doc, OyoahaFileView.MY_DOCUMENT_TYPE);
        }

        //app..
        File app = new File("c:\\" + bundle.getString(OyoahaFileView.MY_APPLICATION_TYPE));

        if(app.exists())
        {
          extraFile.put(app, OyoahaFileView.MY_APPLICATION_TYPE);
        }

        //floppy A...
        extraFile.put(new File("a:\\"), OyoahaFileView.FLOPPY_TYPE);
      }
      /*else
      if(os.startsWith("macos"))
      {

      }
      else
      if(os.equals("sunos") || os.equals("solaris"))
      {

      }*/
      else //linux? freebsd? beos? as400? aix?
      {
        ResourceBundle bundle = ResourceBundle.getBundle("com.oyoaha.swing.plaf.oyoaha.filechooser.linuxFilename");

        //KDE DESKTOP
        File desktop = new File(System.getProperty("user.home"), bundle.getString(OyoahaFileView.DESKTOP_TYPE));

        if(desktop.exists())
        {
          extraFile.put(desktop, OyoahaFileView.DESKTOP_TYPE);
        }

        //WEB
        File web = new File(System.getProperty("user.home"), "httpd/html");

        if(web.exists())
        {
          extraFile.put(web, OyoahaFileView.MY_HOMEPAGE_TYPE);
        }

        //MNT hard drive and floppy (c d e cdrom floppy)
        File mnt = new File("/mnt");

        if(mnt.exists() && mnt.isDirectory())
        {
          String[] list = mnt.list();

          for(int i=0;i<list.length;i++)
          {
            File f = new File(mnt, list[i]);

            if(f.isDirectory())
            {
              if(list[i].equalsIgnoreCase(bundle.getString(OyoahaFileView.FLOPPY_TYPE)))
              extraFile.put(f, OyoahaFileView.FLOPPY_TYPE);
              else
              extraFile.put(f, OyoahaFileView.HARDDRIVE_TYPE);
            }
          }
        }
      }

      File[] roots = javax.swing.filechooser.FileSystemView.getFileSystemView().getRoots();

      for(int i=0;i<roots.length;i++)
      {
        extraFile.put(roots[i], OyoahaFileView.HARDDRIVE_TYPE);
      }

      //current
      File current = new File(System.getProperty("user.dir"));

      if(!extraFile.containsKey(current))
      extraFile.put(current, OyoahaFileView.CURRENT_TYPE);

      //home
      File home = new File(System.getProperty("user.home"));

      if(!extraFile.containsKey(home))
      extraFile.put(home, OyoahaFileView.HOME_TYPE);
    }

    return extraFile;
  }

  /**
  * //->".txt = name"
  */
  public static Hashtable getFileType()
  {
    if(fileType==null)
    {
      fileType = new Hashtable();

      //load the fileInformation from resource...
      //file information can be locale sensitive
      try
      {
        ResourceBundle bundle = ResourceBundle.getBundle("com.oyoaha.swing.plaf.oyoaha.filechooser.type");

        Enumeration e = bundle.getKeys();

        while(e.hasMoreElements())
        {
          String key = e.nextElement().toString();
          fileType.put(key, bundle.getString(key));
        }
      }
      catch(Exception e)
      {

      }

      File load = new File(System.getProperty("user.home"), ".filechooser" + File.separator + "type.ini");

      if(load.exists()) //erase old version
      {
        load.delete();
      }
    }

    return fileType;
  }

  /**
  * //->"name_icon = String/Icon"
  * //->"name_big_icon = String/Icon"
  * //->"name_info = String"
  */
  public static Hashtable getFileInformation()
  {
    if(fileInformation==null)
    {
      fileInformation = new Hashtable();

      //load the fileInformation from resource...
      //file information can be locale sensitive
      try
      {
        ResourceBundle bundle = ResourceBundle.getBundle("com.oyoaha.swing.plaf.oyoaha.filechooser.info");

        Enumeration e = bundle.getKeys();

        while(e.hasMoreElements())
        {
          String key = e.nextElement().toString();
          fileInformation.put(key, bundle.getString(key));
        }
      }
      catch(Exception e)
      {
      
      }

      File load = new File(System.getProperty("user.home"), ".filechooser" + File.separator + "info.ini");

      if(load.exists()) //erase old version
      {
        load.delete();
      }

      //mine info (special)
      fileInformation.put("file_info", UIManager.getString("FileChooser.fileDescriptionText"));
      fileInformation.put("folder_info", UIManager.getString("FileChooser.directoryDescriptionText"));

      //mine icon (special)
      fileInformation.put("folder_icon", UIManager.getIcon("FileView.directoryIcon"));
      fileInformation.put("file_icon", UIManager.getIcon("FileView.fileIcon"));
      fileInformation.put("hd_icon", UIManager.getIcon("FileView.hardDriveIcon"));
      fileInformation.put("floppy_icon", UIManager.getIcon("FileView.floppyDriveIcon"));
    }

    return fileInformation;
  }
}