Added sorting by name, date or size ascending/descending

res/menu/main_menu.xml

@@ -43,6 +43,11 @@
         android:orderInCategory="2"
         android:showAsAction="never"
         android:title="@string/actionbar_settings"/>
+    <item
+        android:id="@+id/action_sort"
+        android:orderInCategory="2"
+        android:showAsAction="never"
+        android:title="@string/actionbar_sort"/>
 
     <!-- <item android:id="@+id/search" android:title="@string/actionbar_search" android:icon="@drawable/ic_action_search"></item> -->
 

res/values/strings.xml

@@ -12,6 +12,14 @@
     <string name="actionbar_settings">Settings</string>
     <string name="actionbar_see_details">Details</string>
     <string name="actionbar_send_file">Send</string>
+    <string name="actionbar_sort">Sort</string>
+    <string name="actionbar_sort_title">Sort by</string>
+    <string-array name="actionbar_sortby">
+    	<item>A-Z</item>
+    	<item>Newest - Oldest</item>
+    	<!-- TODO re-enable when server-side folder size calculation is available   
+    	<item>Biggest - Smallest</item>  -->
+    </string-array>
     <string name="prefs_category_general">General</string>
     <string name="prefs_category_more">More</string>
     <string name="prefs_accounts">Accounts</string>

src/com/owncloud/android/datamodel/OCFile.java

@@ -20,8 +20,9 @@
 
 import java.io.File;
 
-import com.owncloud.android.utils.Log_OC;
+import third_parties.daveKoeller.AlphanumComparator;
 
+import com.owncloud.android.utils.Log_OC;
 
 import android.os.Parcel;
 import android.os.Parcelable;
@@ -446,7 +447,7 @@ public int compareTo(OCFile another) {
         } else if (another.isFolder()) {
             return 1;
         }
-        return getRemotePath().toLowerCase().compareTo(another.getRemotePath().toLowerCase());
+        return new AlphanumComparator().compare(this, another);
     }
 
     @Override

src/com/owncloud/android/ui/activity/FileDisplayActivity.java

@@ -90,6 +90,7 @@
 import com.owncloud.android.operations.UnshareLinkOperation;
 import com.owncloud.android.services.observer.FileObserverService;
 import com.owncloud.android.syncadapter.FileSyncAdapter;
+import com.owncloud.android.ui.adapter.FileListListAdapter;
 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
@@ -153,7 +154,7 @@ public class FileDisplayActivity extends HookActivity implements
     private String DIALOG_UNTRUSTED_CERT;
 
     private OCFile mWaitingToSend;
-
+    
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         Log_OC.d(TAG, "onCreate() start");
@@ -491,6 +492,40 @@ public boolean onOptionsItemSelected(MenuItem item) {
             }
             break;
         }
+        case R.id.action_sort: {
+            SharedPreferences appPreferences = PreferenceManager
+                    .getDefaultSharedPreferences(this);
+
+            // Read sorting order, default to sort by name ascending
+            Integer sortOrder = appPreferences
+                    .getInt("sortOrder", FileListListAdapter.SORT_NAME);
+
+            AlertDialog.Builder builder = new AlertDialog.Builder(this);
+            builder.setTitle(R.string.actionbar_sort_title)
+            .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder , new DialogInterface.OnClickListener() {
+                public void onClick(DialogInterface dialog, int which) {
+
+                    switch (which){
+                    case 0:
+                        sortByName(true);
+                        break;
+                    case 1:
+                        sortByDate(false);
+                        break;
+
+// TODO re-enable when server-side folder size calculation is available                       
+//                    case 2:
+//                        sortBySize(false);
+//                        break;
+                    }
+
+                    dialog.dismiss();
+
+                }
+            });
+            builder.create().show();
+            break;
+        }
         default:
             retval = super.onOptionsItemSelected(item);
         }
@@ -1725,5 +1760,17 @@ public void onRefresh() {
             }
         }
     }
+
+    private void sortByDate(boolean ascending){
+        getListOfFilesFragment().sortByDate(ascending);
+    }
+
+    private void sortBySize(boolean ascending){
+        getListOfFilesFragment().sortBySize(ascending);
+    }
+
+    private void sortByName(boolean ascending){
+        getListOfFilesFragment().sortByName(ascending);
+    }
 
 }