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     }
 159
 160
 161     /**
 162      * {@inhericDoc}
 163      */
 164     @Override
 165     public boolean onContextItemSelected (MenuItem item) {
 166         AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
 167         mTargetFile = (OCFile) mAdapter.getItem(info.position);
 168         switch (item.getItemId()) {
 169             case R.id.rename_file_item:
 170                 EditNameDialog dialog = EditNameDialog.newInstance(mTargetFile.getFileName());
 171                 dialog.setOnDismissListener(this);
 172                 dialog.show(getFragmentManager(), "nameeditdialog");
 173                 Log.d(TAG, "RENAME SELECTED, item " + info.id + " at position " + info.position);
 174                 return true;
 175             case R.id.remove_file_item:
 176                 ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 177                         R.string.confirmation_remove_alert,
 178                         new String[]{mTargetFile.getFileName()},
 179                         mTargetFile.isDown() ? R.string.confirmation_remove_remote_and_local : R.string.confirmation_remove_remote,
 180                         mTargetFile.isDown() ? R.string.confirmation_remove_local : -1,
 181                         R.string.common_cancel);
 182                 confDialog.setOnConfirmationListener(this);
 183                 confDialog.show(getFragmentManager(), FileDetailFragment.FTAG_CONFIRMATION);
 184                 Log.d(TAG, "REMOVE SELECTED, item " + info.id + " at position " + info.position);
 185                 return true;
 186             default:
 187                 return super.onContextItemSelected(item);
 188         }
 189     }
 190
 191
 192     /**
 193      * Call this, when the user presses the up button
 194      */
 195     public void onNavigateUp() {
 196         OCFile parentDir = null;
 197
 198         if(mFile != null){
 199             DataStorageManager storageManager = mContainerActivity.getStorageManager();
 200             parentDir = storageManager.getFileById(mFile.getParentId());
 201             mFile = parentDir;
 202         }
 203         listDirectory(parentDir);
 204     }
 205
 206     /**
 207      * Use this to query the {@link OCFile} that is currently
 208      * being displayed by this fragment
 209      * @return The currently viewed OCFile
 210      */
 211     public OCFile getCurrentFile(){
 212         return mFile;
 213     }
 214
 215     /**
 216      * Calls {@link OCFileListFragment#listDirectory(OCFile)} with a null parameter
 217      */
 218     public void listDirectory(){
 219         listDirectory(null);
 220     }
 221
 222     /**
 223      * Lists the given directory on the view. When the input parameter is null,
 224      * it will either refresh the last known directory, or list the root
 225      * if there never was a directory.
 226      *
 227      * @param directory File to be listed
 228      */
 229     public void listDirectory(OCFile directory) {
 230         DataStorageManager storageManager = mContainerActivity.getStorageManager();
 231         if (storageManager != null) {
 232
 233             // Check input parameters for null
 234             if(directory == null){
 235                 if(mFile != null){
 236                     directory = mFile;
 237                 } else {
 238                     directory = storageManager.getFileByPath("/");
 239                     if (directory == null) return; // no files, wait for sync
 240                 }
 241             }
 242
 243
 244             // If that's not a directory -> List its parent
 245             if(!directory.isDirectory()){
 246                 Log.w(TAG, "You see, that is not a directory -> " + directory.toString());
 247                 directory = storageManager.getFileById(directory.getParentId());
 248             }
 249
 250             mAdapter.swapDirectory(directory, storageManager);
 251             if (mFile == null || !mFile.equals(directory)) {
 252                 mList.setSelectionFromTop(0, 0);
 253             }
 254             mFile = directory;
 255         }
 256     }
 257
 258
 259
 260     /**
 261      * Interface to implement by any Activity that includes some instance of FileListFragment
 262      *
 263      * @author David A. Velasco
 264      */
 265     public interface ContainerActivity extends TransferServiceGetter {
 266
 267         /**
 268          * Callback method invoked when a directory is clicked by the user on the files list
 269          *
 270          * @param file
 271          */
 272         public void onDirectoryClick(OCFile file);
 273
 274         /**
 275          * Callback method invoked when a file (non directory) is clicked by the user on the files list
 276          *
 277          * @param file
 278          */
 279         public void onFileClick(OCFile file);
 280
 281         /**
 282          * Getter for the current DataStorageManager in the container activity
 283          */
 284         public DataStorageManager getStorageManager();
 285
 286
 287         /**
 288          * Callback method invoked when the parent activity is fully created to get the directory to list firstly.
 289          *
 290          * @return  Directory to list firstly. Can be NULL.
 291          */
 292         public OCFile getInitialDirectory();
 293
 294
 295     }
 296
 297
 298
 299     @Override
 300     public void onDismiss(EditNameDialog dialog) {
 301         if (dialog.getResult()) {
 302             String newFilename = dialog.getNewFilename();
 303             Log.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 304             RemoteOperation operation = new RenameFileOperation(mTargetFile,
 305                                                                 newFilename,
 306                                                                 mContainerActivity.getStorageManager());
 307             WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity()), getSherlockActivity().getApplicationContext());
 308             operation.execute(wc, this, mHandler);
 309             getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 310         }
 311     }
 312
 313
 314     @Override
 315     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 316         if (operation instanceof RemoveFileOperation) {
 317             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
 318
 319         } else if (operation instanceof RenameFileOperation) {
 320             onRenameFileOperationFinish((RenameFileOperation)operation, result);
 321         }
 322     }
 323
 324
 325     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
 326         getActivity().dismissDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 327         if (result.isSuccess()) {
 328             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
 329             msg.show();
 330             if (mIsLargeLayout) {
 331                 // TODO - this should be done only when the current FileDetailFragment shows the deleted file
 332                 //          -> THIS METHOD WOULD BE BETTER PLACED AT THE ACTIVITY LEVEL
 333                 FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 334                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
 335                 transaction.commit();
 336             }
 337             listDirectory();
 338
 339         } else {
 340             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
 341             msg.show();
 342             if (result.isSslRecoverableException()) {
 343                 // TODO show the SSL warning dialog
 344             }
 345         }
 346     }
 347
 348
 349     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
 350         getActivity().dismissDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 351         if (result.isSuccess()) {
 352             listDirectory();
 353             // TODO is file
 354
 355         } else {
 356             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
 357                 Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
 358                 msg.show();
 359                 // TODO throw again the new rename dialog
 360             } else {
 361                 Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
 362                 msg.show();
 363                 if (result.isSslRecoverableException()) {
 364                     // TODO show the SSL warning dialog
 365                 }
 366             }
 367         }
 368     }
 369
 370
 371     @Override
 372     public void onConfirmation(String callerTag) {
 373         if (callerTag.equals(FileDetailFragment.FTAG_CONFIRMATION)) {
 374             if (mContainerActivity.getStorageManager().getFileById(mTargetFile.getFileId()) != null) {
 375                 RemoteOperation operation = new RemoveFileOperation( mTargetFile,
 376                                                                     true,
 377                                                                     mContainerActivity.getStorageManager());
 378                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity()), getSherlockActivity().getApplicationContext());
 379                 operation.execute(wc, this, mHandler);
 380
 381                 getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 382             }
 383         }
 384     }
 385
 386     @Override
 387     public void onNeutral(String callerTag) {
 388         File f = null;
 389         if (mTargetFile.isDown() && (f = new File(mTargetFile.getStoragePath())).exists()) {
 390             f.delete();
 391             mTargetFile.setStoragePath(null);
 392             mContainerActivity.getStorageManager().saveFile(mFile);
 393         }
 394         listDirectory();
 395     }
 396
 397     @Override
 398     public void onCancel(String callerTag) {
 399         Log.d(TAG, "REMOVAL CANCELED");
 400     }
 401
 402
 403 }