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
  54     private Vector<OCFile> mFiles;
  55     private OCFile mFile;
  56     private boolean mIsLargeDevice;
  57
  58     @Override
  59     public void onCreate(Bundle savedInstanceState) {
  60         Log.i(getClass().toString(), "onCreate() start");
  61         super.onCreate(savedInstanceState);
  62
  63         Intent intent = getActivity().getIntent();
  64         OCFile directory = intent.getParcelableExtra(FileDetailFragment.EXTRA_FILE);
  65         mFile = directory;
  66         mIsLargeDevice = false;
  67
  68         Log.i(getClass().toString(), "onCreate() stop");
  69     }
  70
  71     @Override
  72     public View onCreateView(LayoutInflater inflater, ViewGroup container,
  73             Bundle savedInstanceState) {
  74         Log.i(getClass().toString(), "onCreateView() start");
  75         super.onCreateView(inflater, container, savedInstanceState);
  76         getListView().setDivider(getResources().getDrawable(R.drawable.uploader_list_separator));
  77         getListView().setDividerHeight(1);
  78
  79         Log.i(getClass().toString(), "onCreateView() end");
  80         return getListView();
  81     }
  82
  83     @Override
  84     public void onStart() {
  85         Log.i(getClass().toString(), "onStart() start");
  86         super.onStart();
  87         // Create a placeholder upon launch
  88         View fragmentContainer = getActivity().findViewById(R.id.file_details_container);
  89         if (fragmentContainer != null) {
  90             mIsLargeDevice = true;
  91             FragmentTransaction transaction = getFragmentManager().beginTransaction();
  92             transaction.replace(R.id.file_details_container, new FileDetailFragment(true));
  93             transaction.commit();
  94         }
  95         Log.i(getClass().toString(), "onStart() end");
  96     }
  97
  98     @Override
  99     public void onItemClick(AdapterView<?> l, View v, int position, long id) {
 100         if (mFiles.size() <= position) {
 101             throw new IndexOutOfBoundsException("Incorrect item selected");
 102         }
 103         OCFile file = mFiles.get(position);
 104
 105         // Update ActionBarPath
 106         if (file.getMimetype().equals("DIR")) {
 107             mFile = file;
 108             ((FileDisplayActivity) getActivity()).pushDirname(file);
 109             ActionBar actionBar = ((FileDisplayActivity) getActivity()).getSupportActionBar();
 110             actionBar.setDisplayHomeAsUpEnabled(true);
 111             listDirectory(file);
 112             resetFileFragment();
 113             return;
 114         }
 115
 116         Intent showDetailsIntent = new Intent(getActivity(), FileDetailActivity.class);
 117         showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, file);
 118         showDetailsIntent.putExtra(FileDownloader.EXTRA_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(getActivity()));
 119
 120         // If we are on a large device -> update fragment
 121         if (mIsLargeDevice) {
 122             FileDetailFragment fileDetails = (FileDetailFragment) getFragmentManager().findFragmentByTag("FileDetails");
 123             if (fileDetails == null) {
 124                 FragmentTransaction transaction = getFragmentManager().beginTransaction();
 125                 transaction.replace(R.id.file_details_container, new FileDetailFragment(showDetailsIntent), "FileDetails");
 126                 transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
 127                 transaction.commit();
 128             } else {
 129                 fileDetails.updateFileDetails(showDetailsIntent);
 130             }
 131         } else {
 132             startActivity(showDetailsIntent);
 133         }
 134     }
 135
 136     /**
 137      * Resets the FileDetailsFragment on Tablets so that it always displays
 138      * "Tab on a file to display it's details"
 139      */
 140     private void resetFileFragment() {
 141         FileDetailFragment fileDetails = (FileDetailFragment) getFragmentManager().findFragmentByTag("FileDetails");
 142         if (fileDetails != null) {
 143             FragmentTransaction transaction = getFragmentManager().beginTransaction();
 144             transaction.remove(fileDetails);
 145             transaction.add(R.id.file_details_container, new FileDetailFragment(true));
 146             transaction.commit();
 147         }
 148     }
 149
 150     /**
 151      * Call this, when the user presses the up button
 152      */
 153     public void onNavigateUp() {
 154         OCFile parentDir = null;
 155
 156         if(mFile != null){
 157             DataStorageManager storageManager = ((FileDisplayActivity)getActivity()).getStorageManager();
 158             parentDir = storageManager.getFileById(mFile.getParentId());
 159             mFile = parentDir;
 160         }
 161
 162         listDirectory(parentDir);
 163         resetFileFragment();
 164     }
 165
 166     /**
 167      * Use this to query the {@link OCFile} that is currently
 168      * being displayed by this fragment
 169      * @return The currently viewed OCFile
 170      */
 171     public OCFile getCurrentFile(){
 172         return mFile;
 173     }
 174
 175     /**
 176      * Calls {@link FileListFragment#listDirectory(OCFile)} with a null parameter
 177      */
 178     public void listDirectory(){
 179         listDirectory(null);
 180     }
 181
 182     /**
 183      * Lists the given directory on the view. When the input parameter is null,
 184      * it will either refresh the last known directory, or list the root
 185      * if there never was a directory.
 186      *
 187      * @param directory File to be listed
 188      */
 189     public void listDirectory(OCFile directory) {
 190
 191         DataStorageManager storageManager = ((FileDisplayActivity)getActivity()).getStorageManager();
 192
 193         // Check input parameters for null
 194         if(directory == null){
 195             if(mFile != null){
 196                 directory = mFile;
 197             } else {
 198                 directory = storageManager.getFileByPath("/");
 199                 if (directory == null) return; // no files, wait for sync
 200             }
 201         }
 202
 203
 204         // If that's not a directory -> List its parent
 205         if(!directory.isDirectory()){
 206             Log.w(TAG, "You see, that is not a directory -> " + directory.toString());
 207             directory = storageManager.getFileById(directory.getParentId());
 208         }
 209
 210         mFile = directory;
 211
 212         mFiles = storageManager.getDirectoryContent(directory);
 213         /*if (mFiles == null || mFiles.size() == 0) {
 214             Toast.makeText(getActivity(), "There are no files here", Toast.LENGTH_LONG).show();
 215         }*/
 216         setListAdapter(new FileListListAdapter(directory, storageManager, getActivity()));
 217     }
 218
 219 }