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 android.app.Dialog;
  30 import android.os.Bundle;
  31
  32 import com.owncloud.android.R;
  33 import com.owncloud.android.datamodel.FileDataStorageManager;
  34 import com.owncloud.android.datamodel.OCFile;
  35 import com.owncloud.android.ui.activity.ComponentsGetter;
  36 import com.owncloud.android.ui.dialog.ConfirmationDialogFragment.ConfirmationDialogFragmentListener;
  37
  38 public class RemoveFileDialogFragment extends ConfirmationDialogFragment
  39 implements ConfirmationDialogFragmentListener {
  40
  41     private static final String ARG_TARGET_FILE = "TARGET_FILE";
  42
  43     /**
  44      * Public factory method to create new RemoveFileDialogFragment instances.
  45      *
  46      * @param file            File to remove.
  47      * @return                Dialog ready to show.
  48      */
  49     public static RemoveFileDialogFragment newInstance(OCFile file) {
  50         RemoveFileDialogFragment frag = new RemoveFileDialogFragment();
  51         Bundle args = new Bundle();
  52
  53         int messageStringId = R.string.confirmation_remove_alert;
  54
  55         int posBtn = R.string.confirmation_remove_remote;
  56         int neuBtn = -1;
  57         if (file.isFolder()) {
  58             messageStringId = R.string.confirmation_remove_folder_alert;
  59             posBtn = R.string.confirmation_remove_remote_and_local;
  60             neuBtn = R.string.confirmation_remove_folder_local;
  61         } else if (file.isDown()) {
  62             posBtn = R.string.confirmation_remove_remote_and_local;
  63             neuBtn = R.string.confirmation_remove_local;
  64         }
  65
  66
  67         args.putInt(ARG_CONF_RESOURCE_ID, messageStringId);
  68         args.putStringArray(ARG_CONF_ARGUMENTS, new String[]{file.getFileName()});
  69         args.putInt(ARG_POSITIVE_BTN_RES, posBtn);
  70         args.putInt(ARG_NEUTRAL_BTN_RES, neuBtn);
  71         args.putInt(ARG_NEGATIVE_BTN_RES, R.string.common_cancel);
  72         args.putParcelable(ARG_TARGET_FILE, file);
  73         frag.setArguments(args);
  74
  75         return frag;
  76     }
  77
  78     private OCFile mTargetFile;
  79
  80     @Override
  81     public Dialog onCreateDialog(Bundle savedInstanceState) {
  82         Dialog dialog = super.onCreateDialog(savedInstanceState);
  83         mTargetFile = getArguments().getParcelable(ARG_TARGET_FILE);
  84
  85         setOnConfirmationListener(this);
  86
  87         return dialog;
  88     }
  89
  90     /**
  91      * Performs the removal of the target file, both locally and in the server.
  92      */
  93     @Override
  94     public void onConfirmation(String callerTag) {
  95         ComponentsGetter cg = (ComponentsGetter)getSherlockActivity();
  96         FileDataStorageManager storageManager = cg.getStorageManager();
  97         if (storageManager.getFileById(mTargetFile.getFileId()) != null) {
  98             cg.getFileOperationsHelper().removeFile(mTargetFile, false);
  99         }
 100     }
 101
 102     /**
 103      * Performs the removal of the local copy of the target file
 104      */
 105     @Override
 106     public void onNeutral(String callerTag) {
 107         ComponentsGetter cg = (ComponentsGetter)getSherlockActivity();
 108         cg.getFileOperationsHelper().removeFile(mTargetFile, true);
 109
 110         FileDataStorageManager storageManager = cg.getStorageManager();
 111
 112         boolean containsKeepInSync = false;
 113         if (mTargetFile.isFolder()) {
 114             Vector<OCFile> files = storageManager.getFolderContent(mTargetFile);
 115             for(OCFile file: files) {
 116                 containsKeepInSync = file.keepInSync() || containsKeepInSync;
 117
 118                 if (containsKeepInSync)
 119                     break;
 120             }
 121         }
 122
 123         // Remove etag for parent, if file is a keep_in_sync
 124         // or is a folder and contains keep_in_sync
 125         if (mTargetFile.keepInSync() || containsKeepInSync) {
 126             OCFile folder = null;
 127             if (mTargetFile.isFolder()) {
 128                 folder = mTargetFile;
 129             } else {
 130                 folder = storageManager.getFileById(mTargetFile.getParentId());
 131             }
 132
 133            folder.setEtag("");
 134            storageManager.saveFile(folder);
 135         }
 136     }
 137
 138     @Override
 139     public void onCancel(String callerTag) {
 140         // nothing to do here
 141     }
 142
 143 }