git.gag.com Git - debian/openrocket/blob - android/src/net/sf/openrocket/android/filebrowser/SimpleFileBrowser.java

   1 package net.sf.openrocket.android.filebrowser;\r
   2 \r
   3 import java.io.File;\r
   4 import java.io.FileFilter;\r
   5 import java.text.Collator;\r
   6 import java.util.ArrayList;\r
   7 import java.util.Arrays;\r
   8 import java.util.Comparator;\r
   9 import java.util.List;\r
  10 \r
  11 import net.sf.openrocket.R;\r
  12 import net.sf.openrocket.android.actionbarcompat.ActionBarListActivity;\r
  13 import android.app.AlertDialog;\r
  14 import android.content.DialogInterface;\r
  15 import android.content.Intent;\r
  16 import android.net.Uri;\r
  17 import android.os.Bundle;\r
  18 import android.os.Environment;\r
  19 import android.view.View;\r
  20 import android.widget.ArrayAdapter;\r
  21 import android.widget.ListView;\r
  22 \r
  23 public class SimpleFileBrowser extends ActionBarListActivity {\r
  24 \r
  25         private List<String> item = null;\r
  26         private List<String> path = null;\r
  27         private String root = "/";\r
  28 \r
  29         private static final OrkFileFilter filter = new OrkFileFilter();\r
  30         private static final Collator sorter = Collator.getInstance();\r
  31         static {\r
  32                 sorter.setStrength(Collator.TERTIARY);\r
  33                 sorter.setDecomposition(Collator.CANONICAL_DECOMPOSITION);\r
  34         }\r
  35 \r
  36         /** Called when the activity is first created. */\r
  37         @Override\r
  38         public void onCreate(Bundle savedInstanceState) {\r
  39                 super.onCreate(savedInstanceState);\r
  40                 setContentView(R.layout.simplefilebrowser);\r
  41                 getDir( Environment.getExternalStorageDirectory().getAbsolutePath() );\r
  42         }\r
  43 \r
  44         private static class OrkFileFilter implements FileFilter {\r
  45 \r
  46                 /* (non-Javadoc)\r
  47                  * @see java.io.FileFilter#accept(java.io.File)\r
  48                  */\r
  49                 @Override\r
  50                 public boolean accept(File arg0) {\r
  51                         if ( arg0.isDirectory() ) { \r
  52                                 return true;\r
  53                         }\r
  54                         if ( arg0.getName().endsWith(".ork") ) {\r
  55                                 return true;\r
  56                         }\r
  57                         return false;\r
  58                 }\r
  59 \r
  60         }\r
  61 \r
  62         private static class FileComparator implements Comparator<File> {\r
  63 \r
  64                 /* (non-Javadoc)\r
  65                  * @see java.util.Comparator#compare(java.lang.Object, java.lang.Object)\r
  66                  */\r
  67                 @Override\r
  68                 public int compare(File arg0, File arg1) {\r
  69                         // Directories come before files, otherwise alpha.\r
  70                         if ( arg0.isDirectory() ) {\r
  71                                 if ( ! arg1.isDirectory() ) {\r
  72                                         return -1;\r
  73                                 }\r
  74                                 return sorter.compare(arg0.getName(), arg1.getName());\r
  75                         }\r
  76 \r
  77                         // arg0 is not a directory.\r
  78                         if ( arg1.isDirectory() ) {\r
  79                                 return 1;\r
  80                         }\r
  81 \r
  82                         return sorter.compare(arg0.getName(), arg1.getName());\r
  83                 }\r
  84 \r
  85         }\r
  86 \r
  87         private void getDir(String dirPath) {\r
  88                 setTitle(dirPath);\r
  89                 item = new ArrayList<String>();\r
  90                 path = new ArrayList<String>();\r
  91 \r
  92                 File f = new File(dirPath);\r
  93                 File[] files = f.listFiles(filter);\r
  94 \r
  95                 if (!dirPath.equals(root)) {\r
  96                         item.add(root);\r
  97                         path.add(root);\r
  98                         item.add("../");\r
  99                         path.add(f.getParent());\r
 100                 }\r
 101 \r
 102                 Arrays.sort(files, new FileComparator() );\r
 103                 for (int i = 0; i < files.length; i++) {\r
 104                         File file = files[i];\r
 105                         path.add(file.getPath());\r
 106                         if (file.isDirectory())\r
 107                                 item.add(file.getName() + "/");\r
 108                         else\r
 109                                 item.add(file.getName());\r
 110                 }\r
 111 \r
 112                 ArrayAdapter<String> fileList = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, item);\r
 113                 setListAdapter(fileList);\r
 114 \r
 115         }\r
 116 \r
 117         @Override\r
 118         protected void onListItemClick(ListView l, View v, int position, long id) {\r
 119                 final File file = new File(path.get(position));\r
 120                 if (file.isDirectory()) {\r
 121                         if (file.canRead())\r
 122                                 getDir(path.get(position));\r
 123                         else {\r
 124                                 new AlertDialog.Builder(this).setIcon(R.drawable.or_launcher)\r
 125                                 .setTitle("[" + file.getName() + "] folder can't be read!")\r
 126                                 .setPositiveButton("OK",\r
 127                                                 new DialogInterface.OnClickListener() {\r
 128                                         @Override\r
 129                                         public void onClick(DialogInterface dialog, int which) {\r
 130                                                 // TODO Auto-generated method stub\r
 131                                         }\r
 132                                 }).show();\r
 133                         }\r
 134                 }\r
 135                 else\r
 136                 {\r
 137                         Intent resultData = new Intent(Intent.ACTION_VIEW);\r
 138                         resultData.setData( Uri.fromFile(file) );\r
 139                         setResult(RESULT_OK,resultData);\r
 140                         finish();\r
 141                 }\r
 142         }\r
 143 }\r