src/eu/alefzero/owncloud/ui/fragment/FileListFragment.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation, either version 3 of the License, or
   7  *   (at your option) any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18 package eu.alefzero.owncloud.ui.fragment;
  19
  20 import java.util.Vector;
  21
  22 import com.actionbarsherlock.app.ActionBar;
  23
  24 import android.accounts.Account;
  25 import android.content.Intent;
  26 import android.os.Bundle;
  27 import android.support.v4.app.FragmentTransaction;
  28 import android.util.Log;
  29 import android.view.LayoutInflater;
  30 import android.view.View;
  31 import android.view.ViewGroup;
  32 import android.widget.AdapterView;
  33 import android.widget.Toast;
  34 import eu.alefzero.owncloud.AccountUtils;
  35 import eu.alefzero.owncloud.R;
  36 import eu.alefzero.owncloud.datamodel.DataStorageManager;
  37 import eu.alefzero.owncloud.datamodel.FileDataStorageManager;
  38 import eu.alefzero.owncloud.datamodel.OCFile;
  39 import eu.alefzero.owncloud.files.services.FileDownloader;
  40 import eu.alefzero.owncloud.ui.FragmentListView;
  41 import eu.alefzero.owncloud.ui.activity.FileDetailActivity;
  42 import eu.alefzero.owncloud.ui.activity.FileDisplayActivity;
  43 import eu.alefzero.owncloud.ui.adapter.FileListListAdapter;
  44
  45 /**
  46  * A Fragment that lists all files and folders in a given path.
  47  *
  48  * @author Bartek Przybylski
  49  *
  50  */
  51 public class FileListFragment extends FragmentListView {
  52     private static final String TAG = "FileListFragment";
  53     //private Account mAccount;         // dvelasco : the fragment is not recreated when other account is selected; keep as an attribute is dangerous
  54     private Vector<OCFile> mFiles;
  55     //private DataStorageManager mStorageManager;   // dvelasco : just the same; it depends upon the current account ; it's updated in FileDisplayActivity!!
  56     private OCFile mFile;
  57     private boolean mIsLargeDevice = false;
  58
  59     @Override
  60     public void onCreate(Bundle savedInstanceState) {
  61         super.onCreate(savedInstanceState);
  62
  63         Intent intent = getActivity().getIntent();
  64         OCFile directory = intent.getParcelableExtra(FileDetailFragment.EXTRA_FILE);
  65         mFile = directory;
  66
  67     }
  68
  69     @Override
  70     public View onCreateView(LayoutInflater inflater, ViewGroup container,
  71             Bundle savedInstanceState) {
  72         super.onCreateView(inflater, container, savedInstanceState);
  73         getListView().setDivider(getResources().getDrawable(R.drawable.uploader_list_separator));
  74         getListView().setDividerHeight(1);
  75
  76         //listDirectory(mFile);
  77
  78         return getListView();
  79     }
  80
  81     @Override
  82     public void onStart() {
  83         // Create a placeholder upon launch
  84         View fragmentContainer = getActivity().findViewById(R.id.file_details_container);
  85         if (fragmentContainer != null) {
  86             mIsLargeDevice = true;
  87             FragmentTransaction transaction = getFragmentManager().beginTransaction();
  88             transaction.replace(R.id.file_details_container, new FileDetailFragment(true));
  89             transaction.commit();
  90         }
  91         super.onStart();
  92     }
  93
  94     @Override
  95     public void onItemClick(AdapterView<?> l, View v, int position, long id) {
  96         if (mFiles.size() <= position) {
  97             throw new IndexOutOfBoundsException("Incorrect item selected");
  98         }
  99         OCFile file = mFiles.get(position);
 100
 101         // Update ActionBarPath
 102         if (file.getMimetype().equals("DIR")) {
 103             mFile = file;
 104             ((FileDisplayActivity) getActivity()).pushDirname(file);
 105             ActionBar actionBar = ((FileDisplayActivity) getActivity()).getSupportActionBar();
 106             actionBar.setDisplayHomeAsUpEnabled(true);
 107             listDirectory(file);
 108             resetFileFragment();
 109             return;
 110         }
 111
 112         Intent showDetailsIntent = new Intent(getActivity(), FileDetailActivity.class);
 113         showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, file);
 114         showDetailsIntent.putExtra(FileDownloader.EXTRA_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(getActivity()));
 115
 116         // If we are on a large device -> update fragment
 117         if (mIsLargeDevice) {
 118             FileDetailFragment fileDetails = (FileDetailFragment) getFragmentManager().findFragmentByTag("FileDetails");
 119             if (fileDetails == null) {
 120                 FragmentTransaction transaction = getFragmentManager().beginTransaction();
 121                 transaction.replace(R.id.file_details_container, new FileDetailFragment(showDetailsIntent), "FileDetails");
 122                 transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
 123                 transaction.commit();
 124             } else {
 125                 fileDetails.updateFileDetails(showDetailsIntent);
 126             }
 127         } else {
 128             startActivity(showDetailsIntent);
 129         }
 130     }
 131
 132     /**
 133      * Resets the FileDetailsFragment on Tablets so that it always displays
 134      * "Tab on a file to display it's details"
 135      */
 136     private void resetFileFragment() {
 137         FileDetailFragment fileDetails = (FileDetailFragment) getFragmentManager().findFragmentByTag("FileDetails");
 138         if (fileDetails != null) {
 139             FragmentTransaction transaction = getFragmentManager().beginTransaction();
 140             transaction.remove(fileDetails);
 141             transaction.add(R.id.file_details_container, new FileDetailFragment(true));
 142             transaction.commit();
 143         }
 144     }
 145
 146     /**
 147      * Call this, when the user presses the up button
 148      */
 149     public void onNavigateUp() {
 150         OCFile parentDir = null;
 151
 152         if(mFile != null){
 153             DataStorageManager storageManager = ((FileDisplayActivity)getActivity()).getStorageManager();
 154             parentDir = storageManager.getFileById(mFile.getParentId());
 155             mFile = parentDir;
 156         }
 157
 158         listDirectory(parentDir);
 159         resetFileFragment();
 160     }
 161
 162     /**
 163      * Use this to query the {@link OCFile} that is currently
 164      * being displayed by this fragment
 165      * @return The currently viewed OCFile
 166      */
 167     public OCFile getCurrentFile(){
 168         return mFile;
 169     }
 170
 171     /**
 172      * Calls {@link FileListFragment#listDirectory(OCFile)} with a null parameter
 173      */
 174     public void listDirectory(){
 175         listDirectory(null);
 176     }
 177
 178     /**
 179      * Lists the given directory on the view. When the input parameter is null,
 180      * it will either refresh the last known directory, or list the root
 181      * if there never was a directory.
 182      *
 183      * @param directory File to be listed
 184      */
 185     public void listDirectory(OCFile directory) {
 186
 187         DataStorageManager storageManager = ((FileDisplayActivity)getActivity()).getStorageManager();
 188
 189         // Check input parameters for null
 190         if(directory == null){
 191             if(mFile != null){
 192                 directory = mFile;
 193             } else {
 194                 directory = storageManager.getFileByPath("/");
 195                 if (directory == null) return; // no files, wait for sync
 196             }
 197         }
 198
 199
 200         // If that's not a directory -> List its parent
 201         if(!directory.isDirectory()){
 202             Log.w(TAG, "You see, that is not a directory -> " + directory.toString());
 203             directory = storageManager.getFileById(directory.getParentId());
 204         }
 205
 206         mFile = directory;
 207
 208         mFiles = storageManager.getDirectoryContent(directory);
 209         if (mFiles == null || mFiles.size() == 0) {
 210             Toast.makeText(getActivity(), "There are no files here", Toast.LENGTH_LONG).show();
 211         }
 212         setListAdapter(new FileListListAdapter(directory, storageManager, getActivity()));
 213     }
 214
 215     @Override
 216     public void onSaveInstanceState(Bundle outState) {
 217         super.onSaveInstanceState(outState);
 218         outState.putParcelable("ACCOUNT", AccountUtils.getCurrentOwnCloudAccount(getActivity()));
 219     }
 220
 221 }