src/com/owncloud/android/ui/dialog/RemoveFileDialogFragment.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2014 ownCloud Inc.
   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 version 2,
   6  *   as published by the Free Software Foundation.
   7  *
   8  *   This program is distributed in the hope that it will be useful,
   9  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  *   GNU General Public License for more details.
  12  *
  13  *   You should have received a copy of the GNU General Public License
  14  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15  *
  16  */
  17
  18 package com.owncloud.android.ui.dialog;
  19
  20 /**
  21  *  Dialog requiring confirmation before removing a given OCFile.
  22  *
  23  *  Triggers the removal according to the user response.
  24  *
  25  *  @author David A. Velasco
  26  */
  27 import java.util.Vector;
  28
  29 import com.owncloud.android.R;
  30 import com.owncloud.android.datamodel.FileDataStorageManager;
  31 import com.owncloud.android.datamodel.OCFile;
  32 import com.owncloud.android.ui.activity.ComponentsGetter;
  33 import com.owncloud.android.ui.dialog.ConfirmationDialogFragment.ConfirmationDialogFragmentListener;
  34 import com.owncloud.android.utils.Log_OC;
  35
  36 import android.app.Dialog;
  37 import android.os.Bundle;
  38
  39 public class RemoveFileDialogFragment extends ConfirmationDialogFragment
  40 implements ConfirmationDialogFragmentListener {
  41
  42     private static final String ARG_TARGET_FILE = "TARGET_FILE";
  43
  44     /**
  45      * Public factory method to create new RemoveFileDialogFragment instances.
  46      *
  47      * @param file            File to remove.
  48      * @return                Dialog ready to show.
  49      */
  50     public static RemoveFileDialogFragment newInstance(OCFile file) {
  51         RemoveFileDialogFragment frag = new RemoveFileDialogFragment();
  52         Bundle args = new Bundle();
  53
  54         int messageStringId = R.string.confirmation_remove_alert;
  55
  56         int posBtn = R.string.confirmation_remove_remote;
  57         int neuBtn = -1;
  58         if (file.isFolder()) {
  59             messageStringId = R.string.confirmation_remove_folder_alert;
  60             posBtn = R.string.confirmation_remove_remote_and_local;
  61             neuBtn = R.string.confirmation_remove_folder_local;
  62         } else if (file.isDown()) {
  63             posBtn = R.string.confirmation_remove_remote_and_local;
  64             neuBtn = R.string.confirmation_remove_local;
  65         }
  66
  67
  68         args.putInt(ARG_CONF_RESOURCE_ID, messageStringId);
  69         args.putStringArray(ARG_CONF_ARGUMENTS, new String[]{file.getFileName()});
  70         args.putInt(ARG_POSITIVE_BTN_RES, posBtn);
  71         args.putInt(ARG_NEUTRAL_BTN_RES, neuBtn);
  72         args.putInt(ARG_NEGATIVE_BTN_RES, R.string.common_cancel);
  73         args.putParcelable(ARG_TARGET_FILE, file);
  74         frag.setArguments(args);
  75
  76         return frag;
  77     }
  78
  79     private OCFile mTargetFile;
  80
  81     @Override
  82     public Dialog onCreateDialog(Bundle savedInstanceState) {
  83         Dialog dialog = super.onCreateDialog(savedInstanceState);
  84         mTargetFile = getArguments().getParcelable(ARG_TARGET_FILE);
  85
  86         setOnConfirmationListener(this);
  87
  88         return dialog;
  89     }
  90
  91     /**
  92      * Performs the removal of the target file, both locally and in the server.
  93      */
  94     @Override
  95     public void onConfirmation(String callerTag) {
  96         ComponentsGetter cg = (ComponentsGetter)getSherlockActivity();
  97         FileDataStorageManager storageManager = cg.getStorageManager();
  98         if (storageManager.getFileById(mTargetFile.getFileId()) != null) {
  99             cg.getFileOperationsHelper().removeFile(mTargetFile, false);
 100         }
 101     }
 102
 103     /**
 104      * Performs the removal of the local copy of the target file
 105      */
 106     @Override
 107     public void onNeutral(String callerTag) {
 108         ComponentsGetter cg = (ComponentsGetter)getSherlockActivity();
 109         cg.getFileOperationsHelper()
 110             .removeFile(mTargetFile, true);
 111
 112         FileDataStorageManager storageManager = cg.getStorageManager();
 113
 114         boolean containsKeepInSync = false;
 115         if (mTargetFile.isFolder()) {
 116             Vector<OCFile> files = storageManager.getFolderContent(mTargetFile);
 117             for(OCFile file: files) {
 118                 containsKeepInSync = file.keepInSync() || containsKeepInSync;
 119
 120                 if (containsKeepInSync)
 121                     break;
 122             }
 123         }
 124
 125         // Remove etag for parent, if file is a keep_in_sync
 126         // or is a folder and contains keep_in_sync
 127         if (mTargetFile.keepInSync() || containsKeepInSync) {
 128             OCFile folder = null;
 129             if (mTargetFile.isFolder()) {
 130                 folder = mTargetFile;
 131             } else {
 132                 folder = storageManager.getFileById(mTargetFile.getParentId());
 133             }
 134
 135            folder.setEtag("");
 136            storageManager.saveFile(folder);
 137            Log_OC.d("RemoveFileDialogFragment", "Parent etag= |" + folder.getEtag() + "|");
 138         }
 139     }
 140
 141     @Override
 142     public void onCancel(String callerTag) {
 143         // nothing to do here
 144     }
 145
 146 }