src/com/owncloud/android/ui/fragment/OCFileListFragment.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 com.owncloud.android.ui.fragment;
  19
  20 import java.io.File;
  21
  22 import com.owncloud.android.AccountUtils;
  23 import com.owncloud.android.R;
  24 import com.owncloud.android.datamodel.DataStorageManager;
  25 import com.owncloud.android.datamodel.OCFile;
  26 import com.owncloud.android.network.OwnCloudClientUtils;
  27 import com.owncloud.android.operations.OnRemoteOperationListener;
  28 import com.owncloud.android.operations.RemoteOperation;
  29 import com.owncloud.android.operations.RemoteOperationResult;
  30 import com.owncloud.android.operations.RemoveFileOperation;
  31 import com.owncloud.android.operations.RenameFileOperation;
  32 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
  33 import com.owncloud.android.ui.FragmentListView;
  34 import com.owncloud.android.ui.activity.FileDisplayActivity;
  35 import com.owncloud.android.ui.activity.TransferServiceGetter;
  36 import com.owncloud.android.ui.adapter.FileListListAdapter;
  37 import com.owncloud.android.ui.dialog.EditNameDialog;
  38 import com.owncloud.android.ui.fragment.ConfirmationDialogFragment.ConfirmationDialogFragmentListener;
  39
  40 import eu.alefzero.webdav.WebdavClient;
  41
  42 import android.app.Activity;
  43 import android.os.Bundle;
  44 import android.os.Handler;
  45 import android.support.v4.app.FragmentTransaction;
  46 import android.util.Log;
  47 import android.view.ContextMenu;
  48 import android.view.MenuInflater;
  49 import android.view.MenuItem;
  50 import android.view.View;
  51 import android.widget.AdapterView;
  52 import android.widget.Toast;
  53 import android.widget.AdapterView.AdapterContextMenuInfo;
  54
  55 /**
  56  * A Fragment that lists all files and folders in a given path.
  57  *
  58  * @author Bartek Przybylski
  59  *
  60  */
  61 public class OCFileListFragment extends FragmentListView implements EditNameDialog.EditNameDialogListener, OnRemoteOperationListener, ConfirmationDialogFragmentListener {
  62     private static final String TAG = "FileListFragment";
  63     private static final String SAVED_LIST_POSITION = "LIST_POSITION";
  64
  65     private OCFileListFragment.ContainerActivity mContainerActivity;
  66
  67     private OCFile mFile = null;
  68     private FileListListAdapter mAdapter;
  69
  70     private Handler mHandler;
  71     private boolean mIsLargeLayout;
  72     private OCFile mTargetFile;
  73
  74
  75     /**
  76      * {@inheritDoc}
  77      */
  78     @Override
  79     public void onAttach(Activity activity) {
  80         super.onAttach(activity);
  81         try {
  82             mContainerActivity = (ContainerActivity) activity;
  83         } catch (ClassCastException e) {
  84             throw new ClassCastException(activity.toString() + " must implement " + OCFileListFragment.ContainerActivity.class.getSimpleName());
  85         }
  86     }
  87
  88
  89     /**
  90      * {@inheritDoc}
  91      */
  92     @Override
  93     public void onActivityCreated(Bundle savedInstanceState) {
  94         Log.i(TAG, "onActivityCreated() start");
  95
  96         super.onActivityCreated(savedInstanceState);
  97         mAdapter = new FileListListAdapter(mContainerActivity.getInitialDirectory(), mContainerActivity.getStorageManager(), getActivity(), mContainerActivity);
  98         setListAdapter(mAdapter);
  99
 100         if (savedInstanceState != null) {
 101             Log.i(TAG, "savedInstanceState is not null");
 102             int position = savedInstanceState.getInt(SAVED_LIST_POSITION);
 103             setReferencePosition(position);
 104         }
 105
 106         registerForContextMenu(getListView());
 107         getListView().setOnCreateContextMenuListener(this);
 108
 109         mIsLargeLayout = getResources().getBoolean(R.bool.large_layout);
 110         mHandler = new Handler();
 111
 112         Log.i(TAG, "onActivityCreated() stop");
 113     }
 114
 115
 116
 117     @Override
 118     public void onSaveInstanceState(Bundle savedInstanceState) {
 119         Log.i(TAG, "onSaveInstanceState() start");
 120
 121         savedInstanceState.putInt(SAVED_LIST_POSITION, getReferencePosition());
 122
 123         Log.i(TAG, "onSaveInstanceState() stop");
 124     }
 125
 126
 127     @Override
 128     public void onItemClick(AdapterView<?> l, View v, int position, long id) {
 129         OCFile file = (OCFile) mAdapter.getItem(position);
 130         if (file != null) {
 131             /// Click on a directory
 132             if (file.getMimetype().equals("DIR")) {
 133                 // just local updates
 134                 mFile = file;
 135                 listDirectory(file);
 136                 // any other updates are let to the container Activity
 137                 mContainerActivity.onDirectoryClick(file);
 138
 139             } else {    /// Click on a file
 140                 mContainerActivity.onFileClick(file);
 141             }
 142
 143         } else {
 144             Log.d(TAG, "Null object in ListAdapter!!");
 145         }
 146
 147     }
 148
 149     /**
 150      * {@inheritDoc}
 151      */
 152     @Override
 153     public void onCreateContextMenu (ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
 154         super.onCreateContextMenu(menu, v, menuInfo);
 155         MenuInflater inflater = getActivity().getMenuInflater();
 156         inflater.inflate(R.menu.file_context_menu, menu);
 157         AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
 158         OCFile targetFile = (OCFile) mAdapter.getItem(info.position);
 159         MenuItem item = null;
 160         int[] ids = null;
 161         if (targetFile.isDirectory()) {
 162             int[] theIds = {R.id.open_file_item, R.id.download_file_item, R.id.cancel_download_item, R.id.cancel_upload_item};
 163             ids = theIds;
 164
 165         } else if ( mContainerActivity.getFileDownloaderBinder().isDownloading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile)) {
 166             int[] theIds = {R.id.open_file_item, R.id.download_file_item, R.id.cancel_upload_item};
 167             ids = theIds;
 168
 169         } else if ( mContainerActivity.getFileUploaderBinder().isUploading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile)) {
 170             int[] theIds = {R.id.open_file_item, R.id.download_file_item, R.id.cancel_download_item};
 171             ids = theIds;
 172
 173         } else if ( targetFile.isDown()) {
 174             int[] theIds = {R.id.cancel_download_item, R.id.cancel_upload_item};
 175             ids = theIds;
 176
 177         } else {
 178             int[] theIds = {R.id.open_file_item, R.id.cancel_download_item, R.id.cancel_upload_item};
 179             ids = theIds;
 180         }
 181
 182         for (int i=0; i < ids.length; i++) {
 183             item = menu.findItem(ids[i]);
 184             if (item != null) {
 185                 item.setVisible(false);
 186                 item.setEnabled(false);
 187             }
 188         }
 189     }
 190
 191
 192     /**
 193      * {@inhericDoc}
 194      */
 195     @Override
 196     public boolean onContextItemSelected (MenuItem item) {
 197         AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
 198         mTargetFile = (OCFile) mAdapter.getItem(info.position);
 199         switch (item.getItemId()) {
 200             case R.id.rename_file_item:
 201                 EditNameDialog dialog = EditNameDialog.newInstance(mTargetFile.getFileName());
 202                 dialog.setOnDismissListener(this);
 203                 dialog.show(getFragmentManager(), "nameeditdialog");
 204                 Log.d(TAG, "RENAME SELECTED, item " + info.id + " at position " + info.position);
 205                 return true;
 206             case R.id.remove_file_item:
 207                 int messageStringId = R.string.confirmation_remove_alert;
 208                 int posBtnStringId = R.string.confirmation_remove_remote;
 209                 int neuBtnStringId = -1;
 210                 if (mTargetFile.isDirectory()) {
 211                     messageStringId = R.string.confirmation_remove_folder_alert;
 212                     posBtnStringId = R.string.confirmation_remove_remote_and_local;
 213                     neuBtnStringId = R.string.confirmation_remove_folder_local;
 214                 } else if (mTargetFile.isDown()) {
 215                     posBtnStringId = R.string.confirmation_remove_remote_and_local;
 216                     neuBtnStringId = R.string.confirmation_remove_local;
 217                 }
 218                 ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 219                         messageStringId,
 220                         new String[]{mTargetFile.getFileName()},
 221                         posBtnStringId,
 222                         neuBtnStringId,
 223                         R.string.common_cancel);
 224                 confDialog.setOnConfirmationListener(this);
 225                 confDialog.show(getFragmentManager(), FileDetailFragment.FTAG_CONFIRMATION);
 226                 Log.d(TAG, "REMOVE SELECTED, item " + info.id + " at position " + info.position);
 227                 return true;
 228             default:
 229                 return super.onContextItemSelected(item);
 230         }
 231     }
 232
 233
 234     /**
 235      * Call this, when the user presses the up button
 236      */
 237     public void onNavigateUp() {
 238         OCFile parentDir = null;
 239
 240         if(mFile != null){
 241             DataStorageManager storageManager = mContainerActivity.getStorageManager();
 242             parentDir = storageManager.getFileById(mFile.getParentId());
 243             mFile = parentDir;
 244         }
 245         listDirectory(parentDir);
 246     }
 247
 248     /**
 249      * Use this to query the {@link OCFile} that is currently
 250      * being displayed by this fragment
 251      * @return The currently viewed OCFile
 252      */
 253     public OCFile getCurrentFile(){
 254         return mFile;
 255     }
 256
 257     /**
 258      * Calls {@link OCFileListFragment#listDirectory(OCFile)} with a null parameter
 259      */
 260     public void listDirectory(){
 261         listDirectory(null);
 262     }
 263
 264     /**
 265      * Lists the given directory on the view. When the input parameter is null,
 266      * it will either refresh the last known directory, or list the root
 267      * if there never was a directory.
 268      *
 269      * @param directory File to be listed
 270      */
 271     public void listDirectory(OCFile directory) {
 272         DataStorageManager storageManager = mContainerActivity.getStorageManager();
 273         if (storageManager != null) {
 274
 275             // Check input parameters for null
 276             if(directory == null){
 277                 if(mFile != null){
 278                     directory = mFile;
 279                 } else {
 280                     directory = storageManager.getFileByPath("/");
 281                     if (directory == null) return; // no files, wait for sync
 282                 }
 283             }
 284
 285
 286             // If that's not a directory -> List its parent
 287             if(!directory.isDirectory()){
 288                 Log.w(TAG, "You see, that is not a directory -> " + directory.toString());
 289                 directory = storageManager.getFileById(directory.getParentId());
 290             }
 291
 292             mAdapter.swapDirectory(directory, storageManager);
 293             if (mFile == null || !mFile.equals(directory)) {
 294                 mList.setSelectionFromTop(0, 0);
 295             }
 296             mFile = directory;
 297         }
 298     }
 299
 300
 301
 302     /**
 303      * Interface to implement by any Activity that includes some instance of FileListFragment
 304      *
 305      * @author David A. Velasco
 306      */
 307     public interface ContainerActivity extends TransferServiceGetter {
 308
 309         /**
 310          * Callback method invoked when a directory is clicked by the user on the files list
 311          *
 312          * @param file
 313          */
 314         public void onDirectoryClick(OCFile file);
 315
 316         /**
 317          * Callback method invoked when a file (non directory) is clicked by the user on the files list
 318          *
 319          * @param file
 320          */
 321         public void onFileClick(OCFile file);
 322
 323         /**
 324          * Getter for the current DataStorageManager in the container activity
 325          */
 326         public DataStorageManager getStorageManager();
 327
 328
 329         /**
 330          * Callback method invoked when the parent activity is fully created to get the directory to list firstly.
 331          *
 332          * @return  Directory to list firstly. Can be NULL.
 333          */
 334         public OCFile getInitialDirectory();
 335
 336
 337     }
 338
 339
 340
 341     @Override
 342     public void onDismiss(EditNameDialog dialog) {
 343         if (dialog.getResult()) {
 344             String newFilename = dialog.getNewFilename();
 345             Log.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 346             RemoteOperation operation = new RenameFileOperation(mTargetFile,
 347                                                                 newFilename,
 348                                                                 mContainerActivity.getStorageManager());
 349             WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity()), getSherlockActivity().getApplicationContext());
 350             operation.execute(wc, this, mHandler);
 351             getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 352         }
 353     }
 354
 355
 356     @Override
 357     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 358         if (operation instanceof RemoveFileOperation) {
 359             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
 360
 361         } else if (operation instanceof RenameFileOperation) {
 362             onRenameFileOperationFinish((RenameFileOperation)operation, result);
 363         }
 364     }
 365
 366
 367     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
 368         getActivity().dismissDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 369         if (result.isSuccess()) {
 370             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
 371             msg.show();
 372             if (mIsLargeLayout) {
 373                 // TODO - this should be done only when the current FileDetailFragment shows the deleted file
 374                 //          -> THIS METHOD WOULD BE BETTER PLACED AT THE ACTIVITY LEVEL
 375                 FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 376                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
 377                 transaction.commit();
 378             }
 379             listDirectory();
 380
 381         } else {
 382             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
 383             msg.show();
 384             if (result.isSslRecoverableException()) {
 385                 // TODO show the SSL warning dialog
 386             }
 387         }
 388     }
 389
 390
 391     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
 392         getActivity().dismissDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 393         if (result.isSuccess()) {
 394             listDirectory();
 395             // TODO is file
 396
 397         } else {
 398             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
 399                 Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
 400                 msg.show();
 401                 // TODO throw again the new rename dialog
 402             } else {
 403                 Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
 404                 msg.show();
 405                 if (result.isSslRecoverableException()) {
 406                     // TODO show the SSL warning dialog
 407                 }
 408             }
 409         }
 410     }
 411
 412
 413     @Override
 414     public void onConfirmation(String callerTag) {
 415         if (callerTag.equals(FileDetailFragment.FTAG_CONFIRMATION)) {
 416             if (mContainerActivity.getStorageManager().getFileById(mTargetFile.getFileId()) != null) {
 417                 RemoteOperation operation = new RemoveFileOperation( mTargetFile,
 418                                                                     true,
 419                                                                     mContainerActivity.getStorageManager());
 420                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity()), getSherlockActivity().getApplicationContext());
 421                 operation.execute(wc, this, mHandler);
 422
 423                 getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 424             }
 425         }
 426     }
 427
 428     @Override
 429     public void onNeutral(String callerTag) {
 430         File f = null;
 431         if (mTargetFile.isDirectory()) {
 432             // TODO run in a secondary thread?
 433             mContainerActivity.getStorageManager().removeDirectory(mTargetFile, false, true);
 434
 435         } else if (mTargetFile.isDown() && (f = new File(mTargetFile.getStoragePath())).exists()) {
 436             f.delete();
 437             mTargetFile.setStoragePath(null);
 438             mContainerActivity.getStorageManager().saveFile(mFile);
 439         }
 440         listDirectory();
 441     }
 442
 443     @Override
 444     public void onCancel(String callerTag) {
 445         Log.d(TAG, "REMOVAL CANCELED");
 446     }
 447
 448
 449 }