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                 int messageStringId = R.string.confirmation_remove_alert;
 177                 int posBtnStringId = R.string.confirmation_remove_remote;
 178                 int neuBtnStringId = -1;
 179                 if (mTargetFile.isDirectory()) {
 180                     messageStringId = R.string.confirmation_remove_folder_alert;
 181                     posBtnStringId = R.string.confirmation_remove_remote_and_local;
 182                     neuBtnStringId = R.string.confirmation_remove_folder_local;
 183                 } else if (mTargetFile.isDown()) {
 184                     posBtnStringId = R.string.confirmation_remove_remote_and_local;
 185                     neuBtnStringId = R.string.confirmation_remove_local;
 186                 }
 187                 ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 188                         messageStringId,
 189                         new String[]{mTargetFile.getFileName()},
 190                         posBtnStringId,
 191                         neuBtnStringId,
 192                         R.string.common_cancel);
 193                 confDialog.setOnConfirmationListener(this);
 194                 confDialog.show(getFragmentManager(), FileDetailFragment.FTAG_CONFIRMATION);
 195                 Log.d(TAG, "REMOVE SELECTED, item " + info.id + " at position " + info.position);
 196                 return true;
 197             default:
 198                 return super.onContextItemSelected(item);
 199         }
 200     }
 201
 202
 203     /**
 204      * Call this, when the user presses the up button
 205      */
 206     public void onNavigateUp() {
 207         OCFile parentDir = null;
 208
 209         if(mFile != null){
 210             DataStorageManager storageManager = mContainerActivity.getStorageManager();
 211             parentDir = storageManager.getFileById(mFile.getParentId());
 212             mFile = parentDir;
 213         }
 214         listDirectory(parentDir);
 215     }
 216
 217     /**
 218      * Use this to query the {@link OCFile} that is currently
 219      * being displayed by this fragment
 220      * @return The currently viewed OCFile
 221      */
 222     public OCFile getCurrentFile(){
 223         return mFile;
 224     }
 225
 226     /**
 227      * Calls {@link OCFileListFragment#listDirectory(OCFile)} with a null parameter
 228      */
 229     public void listDirectory(){
 230         listDirectory(null);
 231     }
 232
 233     /**
 234      * Lists the given directory on the view. When the input parameter is null,
 235      * it will either refresh the last known directory, or list the root
 236      * if there never was a directory.
 237      *
 238      * @param directory File to be listed
 239      */
 240     public void listDirectory(OCFile directory) {
 241         DataStorageManager storageManager = mContainerActivity.getStorageManager();
 242         if (storageManager != null) {
 243
 244             // Check input parameters for null
 245             if(directory == null){
 246                 if(mFile != null){
 247                     directory = mFile;
 248                 } else {
 249                     directory = storageManager.getFileByPath("/");
 250                     if (directory == null) return; // no files, wait for sync
 251                 }
 252             }
 253
 254
 255             // If that's not a directory -> List its parent
 256             if(!directory.isDirectory()){
 257                 Log.w(TAG, "You see, that is not a directory -> " + directory.toString());
 258                 directory = storageManager.getFileById(directory.getParentId());
 259             }
 260
 261             mAdapter.swapDirectory(directory, storageManager);
 262             if (mFile == null || !mFile.equals(directory)) {
 263                 mList.setSelectionFromTop(0, 0);
 264             }
 265             mFile = directory;
 266         }
 267     }
 268
 269
 270
 271     /**
 272      * Interface to implement by any Activity that includes some instance of FileListFragment
 273      *
 274      * @author David A. Velasco
 275      */
 276     public interface ContainerActivity extends TransferServiceGetter {
 277
 278         /**
 279          * Callback method invoked when a directory is clicked by the user on the files list
 280          *
 281          * @param file
 282          */
 283         public void onDirectoryClick(OCFile file);
 284
 285         /**
 286          * Callback method invoked when a file (non directory) is clicked by the user on the files list
 287          *
 288          * @param file
 289          */
 290         public void onFileClick(OCFile file);
 291
 292         /**
 293          * Getter for the current DataStorageManager in the container activity
 294          */
 295         public DataStorageManager getStorageManager();
 296
 297
 298         /**
 299          * Callback method invoked when the parent activity is fully created to get the directory to list firstly.
 300          *
 301          * @return  Directory to list firstly. Can be NULL.
 302          */
 303         public OCFile getInitialDirectory();
 304
 305
 306     }
 307
 308
 309
 310     @Override
 311     public void onDismiss(EditNameDialog dialog) {
 312         if (dialog.getResult()) {
 313             String newFilename = dialog.getNewFilename();
 314             Log.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 315             RemoteOperation operation = new RenameFileOperation(mTargetFile,
 316                                                                 newFilename,
 317                                                                 mContainerActivity.getStorageManager());
 318             WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity()), getSherlockActivity().getApplicationContext());
 319             operation.execute(wc, this, mHandler);
 320             getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 321         }
 322     }
 323
 324
 325     @Override
 326     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 327         if (operation instanceof RemoveFileOperation) {
 328             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
 329
 330         } else if (operation instanceof RenameFileOperation) {
 331             onRenameFileOperationFinish((RenameFileOperation)operation, result);
 332         }
 333     }
 334
 335
 336     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
 337         getActivity().dismissDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 338         if (result.isSuccess()) {
 339             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
 340             msg.show();
 341             if (mIsLargeLayout) {
 342                 // TODO - this should be done only when the current FileDetailFragment shows the deleted file
 343                 //          -> THIS METHOD WOULD BE BETTER PLACED AT THE ACTIVITY LEVEL
 344                 FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 345                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
 346                 transaction.commit();
 347             }
 348             listDirectory();
 349
 350         } else {
 351             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
 352             msg.show();
 353             if (result.isSslRecoverableException()) {
 354                 // TODO show the SSL warning dialog
 355             }
 356         }
 357     }
 358
 359
 360     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
 361         getActivity().dismissDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 362         if (result.isSuccess()) {
 363             listDirectory();
 364             // TODO is file
 365
 366         } else {
 367             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
 368                 Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
 369                 msg.show();
 370                 // TODO throw again the new rename dialog
 371             } else {
 372                 Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
 373                 msg.show();
 374                 if (result.isSslRecoverableException()) {
 375                     // TODO show the SSL warning dialog
 376                 }
 377             }
 378         }
 379     }
 380
 381
 382     @Override
 383     public void onConfirmation(String callerTag) {
 384         if (callerTag.equals(FileDetailFragment.FTAG_CONFIRMATION)) {
 385             if (mContainerActivity.getStorageManager().getFileById(mTargetFile.getFileId()) != null) {
 386                 RemoteOperation operation = new RemoveFileOperation( mTargetFile,
 387                                                                     true,
 388                                                                     mContainerActivity.getStorageManager());
 389                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity()), getSherlockActivity().getApplicationContext());
 390                 operation.execute(wc, this, mHandler);
 391
 392                 getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 393             }
 394         }
 395     }
 396
 397     @Override
 398     public void onNeutral(String callerTag) {
 399         File f = null;
 400         if (mTargetFile.isDirectory()) {
 401             // TODO run in a secondary thread?
 402             mContainerActivity.getStorageManager().removeDirectory(mTargetFile, false, true);
 403
 404         } else if (mTargetFile.isDown() && (f = new File(mTargetFile.getStoragePath())).exists()) {
 405             f.delete();
 406             mTargetFile.setStoragePath(null);
 407             mContainerActivity.getStorageManager().saveFile(mFile);
 408         }
 409         listDirectory();
 410     }
 411
 412     @Override
 413     public void onCancel(String callerTag) {
 414         Log.d(TAG, "REMOVAL CANCELED");
 415     }
 416
 417
 418 }