git.gag.com Git - debian/openrocket/blob - android/src/net/sf/openrocket/android/rocket/OpenRocketSaverFragment.java

   1 package net.sf.openrocket.android.rocket;\r
   2 \r
   3 import net.sf.openrocket.R;\r
   4 import net.sf.openrocket.android.CurrentRocketHolder;\r
   5 import net.sf.openrocket.android.util.AndroidLogWrapper;\r
   6 import net.sf.openrocket.android.util.ProgressDialogFragment;\r
   7 import android.app.Activity;\r
   8 import android.os.AsyncTask;\r
   9 import android.os.Bundle;\r
  10 import android.support.v4.app.DialogFragment;\r
  11 import android.support.v4.app.Fragment;\r
  12 import android.view.LayoutInflater;\r
  13 import android.view.View;\r
  14 import android.view.ViewGroup;\r
  15 import android.view.Window;\r
  16 \r
  17 import com.actionbarsherlock.app.SherlockFragmentActivity;\r
  18 \r
  19 public class OpenRocketSaverFragment extends Fragment {\r
  20         \r
  21         public static OpenRocketSaverFragment newInstance( boolean showProgressDialog) {\r
  22                 OpenRocketSaverFragment frag = new OpenRocketSaverFragment();\r
  23                 Bundle b = new Bundle();\r
  24                 b.putBoolean(SHOW_PRGRESS_DIALOG_ARG, showProgressDialog);\r
  25                 frag.setArguments(b);\r
  26                 return frag;\r
  27         }\r
  28         \r
  29         public interface OnOpenRocketFileSaved {\r
  30                 public void onOpenRocketFileSaved( Boolean result );\r
  31         }\r
  32 \r
  33         private final static String SHOW_PRGRESS_DIALOG_ARG = "net.sf.openrocket.android.ShowProgressDialog";\r
  34         \r
  35         private boolean showProgressDialog = true;\r
  36         private OpenRocketSaverTask task;\r
  37         private OnOpenRocketFileSaved listener;\r
  38         \r
  39         @Override\r
  40         public void onCreate(Bundle savedInstanceState) {\r
  41                 super.onCreate(savedInstanceState);\r
  42                 setRetainInstance(true);\r
  43                 Bundle b = getArguments();\r
  44                 if ( b != null ) {\r
  45                         showProgressDialog = b.getBoolean(SHOW_PRGRESS_DIALOG_ARG, true);\r
  46                 }\r
  47                 if ( task == null ) {\r
  48                         // since we retain instance state, task will be non-null if it is already loading.\r
  49                         task = new OpenRocketSaverTask();\r
  50                         task.execute();\r
  51                 }\r
  52         }\r
  53 \r
  54         @Override\r
  55         public View onCreateView(LayoutInflater inflater, ViewGroup container,\r
  56                         Bundle savedInstanceState) {\r
  57                 return null;\r
  58         }\r
  59 \r
  60         @Override\r
  61         public void onActivityCreated(Bundle arg0) {\r
  62                 super.onActivityCreated(arg0);\r
  63                 Activity parent = getActivity();\r
  64                 if ( parent instanceof OnOpenRocketFileSaved ) {\r
  65                         listener = (OnOpenRocketFileSaved) parent;\r
  66                 }\r
  67         }\r
  68 \r
  69         public class OpenRocketSaverTask extends AsyncTask<Void, Void, Boolean> {\r
  70                 \r
  71                 private final static String PROGRESS_DIALOG_TAG = "progress_dialog";\r
  72                 \r
  73                 @Override\r
  74                 protected void onPreExecute() {\r
  75                         super.onPreExecute();\r
  76                         if ( showProgressDialog ) {\r
  77                                 String savingMessage = getActivity().getResources().getString(R.string.saving);\r
  78                                 DialogFragment newFragment = ProgressDialogFragment.newInstance("", savingMessage);\r
  79                                 newFragment.show(getFragmentManager(), PROGRESS_DIALOG_TAG);\r
  80                         } else {\r
  81                                 ((SherlockFragmentActivity)getActivity()).setSupportProgressBarIndeterminate(true);\r
  82                                 ((SherlockFragmentActivity)getActivity()).setSupportProgress(0);\r
  83                         }\r
  84                         \r
  85                 }\r
  86 \r
  87                 /* (non-Javadoc)\r
  88                  * @see android.os.AsyncTask#doInBackground(Params[])\r
  89                  */\r
  90                 @Override\r
  91                 protected Boolean doInBackground(Void... arg0) {\r
  92                         AndroidLogWrapper.d(OpenRocketSaverTask.class, "doInBackgroud");\r
  93                         \r
  94                         try {\r
  95                                 CurrentRocketHolder.getCurrentRocket().saveOpenRocketDocument();\r
  96                                 return true;\r
  97                         } catch (Throwable ex) {\r
  98                                 AndroidLogWrapper.e(OpenRocketSaverTask.class, "doInBackground rocketLaoder.load threw {}", ex);\r
  99                         }\r
 100                         return false;\r
 101                         \r
 102                 }\r
 103 \r
 104                 @Override\r
 105                 protected void onPostExecute(Boolean result) {\r
 106                         super.onPostExecute(result);\r
 107                         AndroidLogWrapper.d(OpenRocketSaverFragment.class,"Finished saving " + OpenRocketSaverTask.this);\r
 108                         if ( showProgressDialog ) {\r
 109                                 Fragment progress = getActivity().getSupportFragmentManager().findFragmentByTag(PROGRESS_DIALOG_TAG);\r
 110                                 if ( progress != null ) {\r
 111                                         // Remove the fragment instead of trying to use DialogFragment.dismiss.\r
 112                                         // If the dialog is now currently shown, dismiss fails.\r
 113                                         getFragmentManager().beginTransaction().remove(progress).commitAllowingStateLoss();\r
 114                                 }\r
 115                         } else {\r
 116                                 ((SherlockFragmentActivity)getActivity()).setSupportProgress(Window.PROGRESS_END);\r
 117                                 ((SherlockFragmentActivity)getActivity()).setSupportProgressBarVisibility(false);\r
 118                         }\r
 119                         if ( listener != null ) {\r
 120                                 listener.onOpenRocketFileSaved(result);\r
 121                         }\r
 122                 }\r
 123 \r
 124         }\r
 125 \r
 126 }\r